| #!/usr/bin/perl | 
 |  | 
 | # gitweb - simple web interface to track changes in git repositories | 
 | # | 
 | # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org> | 
 | # (C) 2005, Christian Gierke | 
 | # | 
 | # This program is licensed under the GPLv2 | 
 |  | 
 | use 5.008; | 
 | use strict; | 
 | use warnings; | 
 | use CGI qw(:standard :escapeHTML -nosticky); | 
 | use CGI::Util qw(unescape); | 
 | use CGI::Carp qw(fatalsToBrowser set_message); | 
 | use Encode; | 
 | use Fcntl ':mode'; | 
 | use File::Find qw(); | 
 | use File::Basename qw(basename); | 
 | use Time::HiRes qw(gettimeofday tv_interval); | 
 | binmode STDOUT, ':utf8'; | 
 |  | 
 | our $t0 = [ gettimeofday() ]; | 
 | our $number_of_git_cmds = 0; | 
 |  | 
 | BEGIN { | 
 | 	CGI->compile() if $ENV{'MOD_PERL'}; | 
 | } | 
 |  | 
 | our $version = "++GIT_VERSION++"; | 
 |  | 
 | our ($my_url, $my_uri, $base_url, $path_info, $home_link); | 
 | sub evaluate_uri { | 
 | 	our $cgi; | 
 |  | 
 | 	our $my_url = $cgi->url(); | 
 | 	our $my_uri = $cgi->url(-absolute => 1); | 
 |  | 
 | 	# Base URL for relative URLs in gitweb ($logo, $favicon, ...), | 
 | 	# needed and used only for URLs with nonempty PATH_INFO | 
 | 	our $base_url = $my_url; | 
 |  | 
 | 	# When the script is used as DirectoryIndex, the URL does not contain the name | 
 | 	# of the script file itself, and $cgi->url() fails to strip PATH_INFO, so we | 
 | 	# have to do it ourselves. We make $path_info global because it's also used | 
 | 	# later on. | 
 | 	# | 
 | 	# Another issue with the script being the DirectoryIndex is that the resulting | 
 | 	# $my_url data is not the full script URL: this is good, because we want | 
 | 	# generated links to keep implying the script name if it wasn't explicitly | 
 | 	# indicated in the URL we're handling, but it means that $my_url cannot be used | 
 | 	# as base URL. | 
 | 	# Therefore, if we needed to strip PATH_INFO, then we know that we have | 
 | 	# to build the base URL ourselves: | 
 | 	our $path_info = decode_utf8($ENV{"PATH_INFO"}); | 
 | 	if ($path_info) { | 
 | 		# $path_info has already been URL-decoded by the web server, but | 
 | 		# $my_url and $my_uri have not. URL-decode them so we can properly | 
 | 		# strip $path_info. | 
 | 		$my_url = unescape($my_url); | 
 | 		$my_uri = unescape($my_uri); | 
 | 		if ($my_url =~ s,\Q$path_info\E$,, && | 
 | 		    $my_uri =~ s,\Q$path_info\E$,, && | 
 | 		    defined $ENV{'SCRIPT_NAME'}) { | 
 | 			$base_url = $cgi->url(-base => 1) . $ENV{'SCRIPT_NAME'}; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# target of the home link on top of all pages | 
 | 	our $home_link = $my_uri || "/"; | 
 | } | 
 |  | 
 | # core git executable to use | 
 | # this can just be "git" if your webserver has a sensible PATH | 
 | our $GIT = "++GIT_BINDIR++/git"; | 
 |  | 
 | # absolute fs-path which will be prepended to the project path | 
 | #our $projectroot = "/pub/scm"; | 
 | our $projectroot = "++GITWEB_PROJECTROOT++"; | 
 |  | 
 | # fs traversing limit for getting project list | 
 | # the number is relative to the projectroot | 
 | our $project_maxdepth = "++GITWEB_PROJECT_MAXDEPTH++"; | 
 |  | 
 | # string of the home link on top of all pages | 
 | our $home_link_str = "++GITWEB_HOME_LINK_STR++"; | 
 |  | 
 | # name of your site or organization to appear in page titles | 
 | # replace this with something more descriptive for clearer bookmarks | 
 | our $site_name = "++GITWEB_SITENAME++" | 
 |                  || ($ENV{'SERVER_NAME'} || "Untitled") . " Git"; | 
 |  | 
 | # html snippet to include in the <head> section of each page | 
 | our $site_html_head_string = "++GITWEB_SITE_HTML_HEAD_STRING++"; | 
 | # filename of html text to include at top of each page | 
 | our $site_header = "++GITWEB_SITE_HEADER++"; | 
 | # html text to include at home page | 
 | our $home_text = "++GITWEB_HOMETEXT++"; | 
 | # filename of html text to include at bottom of each page | 
 | our $site_footer = "++GITWEB_SITE_FOOTER++"; | 
 |  | 
 | # URI of stylesheets | 
 | our @stylesheets = ("++GITWEB_CSS++"); | 
 | # URI of a single stylesheet, which can be overridden in GITWEB_CONFIG. | 
 | our $stylesheet = undef; | 
 | # URI of GIT logo (72x27 size) | 
 | our $logo = "++GITWEB_LOGO++"; | 
 | # URI of GIT favicon, assumed to be image/png type | 
 | our $favicon = "++GITWEB_FAVICON++"; | 
 | # URI of gitweb.js (JavaScript code for gitweb) | 
 | our $javascript = "++GITWEB_JS++"; | 
 |  | 
 | # URI and label (title) of GIT logo link | 
 | #our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/"; | 
 | #our $logo_label = "git documentation"; | 
 | our $logo_url = "http://git-scm.com/"; | 
 | our $logo_label = "git homepage"; | 
 |  | 
 | # source of projects list | 
 | our $projects_list = "++GITWEB_LIST++"; | 
 |  | 
 | # the width (in characters) of the projects list "Description" column | 
 | our $projects_list_description_width = 25; | 
 |  | 
 | # group projects by category on the projects list | 
 | # (enabled if this variable evaluates to true) | 
 | our $projects_list_group_categories = 0; | 
 |  | 
 | # default category if none specified | 
 | # (leave the empty string for no category) | 
 | our $project_list_default_category = ""; | 
 |  | 
 | # default order of projects list | 
 | # valid values are none, project, descr, owner, and age | 
 | our $default_projects_order = "project"; | 
 |  | 
 | # show repository only if this file exists | 
 | # (only effective if this variable evaluates to true) | 
 | our $export_ok = "++GITWEB_EXPORT_OK++"; | 
 |  | 
 | # don't generate age column on the projects list page | 
 | our $omit_age_column = 0; | 
 |  | 
 | # don't generate information about owners of repositories | 
 | our $omit_owner=0; | 
 |  | 
 | # show repository only if this subroutine returns true | 
 | # when given the path to the project, for example: | 
 | #    sub { return -e "$_[0]/git-daemon-export-ok"; } | 
 | our $export_auth_hook = undef; | 
 |  | 
 | # only allow viewing of repositories also shown on the overview page | 
 | our $strict_export = "++GITWEB_STRICT_EXPORT++"; | 
 |  | 
 | # list of git base URLs used for URL to where fetch project from, | 
 | # i.e. full URL is "$git_base_url/$project" | 
 | our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++"); | 
 |  | 
 | # default blob_plain mimetype and default charset for text/plain blob | 
 | our $default_blob_plain_mimetype = 'text/plain'; | 
 | our $default_text_plain_charset  = undef; | 
 |  | 
 | # file to use for guessing MIME types before trying /etc/mime.types | 
 | # (relative to the current git repository) | 
 | our $mimetypes_file = undef; | 
 |  | 
 | # assume this charset if line contains non-UTF-8 characters; | 
 | # it should be valid encoding (see Encoding::Supported(3pm) for list), | 
 | # for which encoding all byte sequences are valid, for example | 
 | # 'iso-8859-1' aka 'latin1' (it is decoded without checking, so it | 
 | # could be even 'utf-8' for the old behavior) | 
 | our $fallback_encoding = 'latin1'; | 
 |  | 
 | # rename detection options for git-diff and git-diff-tree | 
 | # - default is '-M', with the cost proportional to | 
 | #   (number of removed files) * (number of new files). | 
 | # - more costly is '-C' (which implies '-M'), with the cost proportional to | 
 | #   (number of changed files + number of removed files) * (number of new files) | 
 | # - even more costly is '-C', '--find-copies-harder' with cost | 
 | #   (number of files in the original tree) * (number of new files) | 
 | # - one might want to include '-B' option, e.g. '-B', '-M' | 
 | our @diff_opts = ('-M'); # taken from git_commit | 
 |  | 
 | # Disables features that would allow repository owners to inject script into | 
 | # the gitweb domain. | 
 | our $prevent_xss = 0; | 
 |  | 
 | # Path to the highlight executable to use (must be the one from | 
 | # http://www.andre-simon.de due to assumptions about parameters and output). | 
 | # Useful if highlight is not installed on your webserver's PATH. | 
 | # [Default: highlight] | 
 | our $highlight_bin = "++HIGHLIGHT_BIN++"; | 
 |  | 
 | # information about snapshot formats that gitweb is capable of serving | 
 | our %known_snapshot_formats = ( | 
 | 	# name => { | 
 | 	# 	'display' => display name, | 
 | 	# 	'type' => mime type, | 
 | 	# 	'suffix' => filename suffix, | 
 | 	# 	'format' => --format for git-archive, | 
 | 	# 	'compressor' => [compressor command and arguments] | 
 | 	# 	                (array reference, optional) | 
 | 	# 	'disabled' => boolean (optional)} | 
 | 	# | 
 | 	'tgz' => { | 
 | 		'display' => 'tar.gz', | 
 | 		'type' => 'application/x-gzip', | 
 | 		'suffix' => '.tar.gz', | 
 | 		'format' => 'tar', | 
 | 		'compressor' => ['gzip', '-n']}, | 
 |  | 
 | 	'tbz2' => { | 
 | 		'display' => 'tar.bz2', | 
 | 		'type' => 'application/x-bzip2', | 
 | 		'suffix' => '.tar.bz2', | 
 | 		'format' => 'tar', | 
 | 		'compressor' => ['bzip2']}, | 
 |  | 
 | 	'txz' => { | 
 | 		'display' => 'tar.xz', | 
 | 		'type' => 'application/x-xz', | 
 | 		'suffix' => '.tar.xz', | 
 | 		'format' => 'tar', | 
 | 		'compressor' => ['xz'], | 
 | 		'disabled' => 1}, | 
 |  | 
 | 	'zip' => { | 
 | 		'display' => 'zip', | 
 | 		'type' => 'application/x-zip', | 
 | 		'suffix' => '.zip', | 
 | 		'format' => 'zip'}, | 
 | ); | 
 |  | 
 | # Aliases so we understand old gitweb.snapshot values in repository | 
 | # configuration. | 
 | our %known_snapshot_format_aliases = ( | 
 | 	'gzip'  => 'tgz', | 
 | 	'bzip2' => 'tbz2', | 
 | 	'xz'    => 'txz', | 
 |  | 
 | 	# backward compatibility: legacy gitweb config support | 
 | 	'x-gzip' => undef, 'gz' => undef, | 
 | 	'x-bzip2' => undef, 'bz2' => undef, | 
 | 	'x-zip' => undef, '' => undef, | 
 | ); | 
 |  | 
 | # Pixel sizes for icons and avatars. If the default font sizes or lineheights | 
 | # are changed, it may be appropriate to change these values too via | 
 | # $GITWEB_CONFIG. | 
 | our %avatar_size = ( | 
 | 	'default' => 16, | 
 | 	'double'  => 32 | 
 | ); | 
 |  | 
 | # Used to set the maximum load that we will still respond to gitweb queries. | 
 | # If server load exceed this value then return "503 server busy" error. | 
 | # If gitweb cannot determined server load, it is taken to be 0. | 
 | # Leave it undefined (or set to 'undef') to turn off load checking. | 
 | our $maxload = 300; | 
 |  | 
 | # configuration for 'highlight' (http://www.andre-simon.de/) | 
 | # match by basename | 
 | our %highlight_basename = ( | 
 | 	#'Program' => 'py', | 
 | 	#'Library' => 'py', | 
 | 	'SConstruct' => 'py', # SCons equivalent of Makefile | 
 | 	'Makefile' => 'make', | 
 | ); | 
 | # match by extension | 
 | our %highlight_ext = ( | 
 | 	# main extensions, defining name of syntax; | 
 | 	# see files in /usr/share/highlight/langDefs/ directory | 
 | 	(map { $_ => $_ } qw(py rb java css js tex bib xml awk bat ini spec tcl sql)), | 
 | 	# alternate extensions, see /etc/highlight/filetypes.conf | 
 | 	(map { $_ => 'c'   } qw(c h)), | 
 | 	(map { $_ => 'sh'  } qw(sh bash zsh ksh)), | 
 | 	(map { $_ => 'cpp' } qw(cpp cxx c++ cc)), | 
 | 	(map { $_ => 'php' } qw(php php3 php4 php5 phps)), | 
 | 	(map { $_ => 'pl'  } qw(pl perl pm)), # perhaps also 'cgi' | 
 | 	(map { $_ => 'make'} qw(make mak mk)), | 
 | 	(map { $_ => 'xml' } qw(xml xhtml html htm)), | 
 | ); | 
 |  | 
 | # You define site-wide feature defaults here; override them with | 
 | # $GITWEB_CONFIG as necessary. | 
 | our %feature = ( | 
 | 	# feature => { | 
 | 	# 	'sub' => feature-sub (subroutine), | 
 | 	# 	'override' => allow-override (boolean), | 
 | 	# 	'default' => [ default options...] (array reference)} | 
 | 	# | 
 | 	# if feature is overridable (it means that allow-override has true value), | 
 | 	# then feature-sub will be called with default options as parameters; | 
 | 	# return value of feature-sub indicates if to enable specified feature | 
 | 	# | 
 | 	# if there is no 'sub' key (no feature-sub), then feature cannot be | 
 | 	# overridden | 
 | 	# | 
 | 	# use gitweb_get_feature(<feature>) to retrieve the <feature> value | 
 | 	# (an array) or gitweb_check_feature(<feature>) to check if <feature> | 
 | 	# is enabled | 
 |  | 
 | 	# Enable the 'blame' blob view, showing the last commit that modified | 
 | 	# each line in the file. This can be very CPU-intensive. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'blame'}{'default'} = [1]; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'blame'}{'override'} = 1; | 
 | 	# and in project config gitweb.blame = 0|1; | 
 | 	'blame' => { | 
 | 		'sub' => sub { feature_bool('blame', @_) }, | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# Enable the 'snapshot' link, providing a compressed archive of any | 
 | 	# tree. This can potentially generate high traffic if you have large | 
 | 	# project. | 
 |  | 
 | 	# Value is a list of formats defined in %known_snapshot_formats that | 
 | 	# you wish to offer. | 
 | 	# To disable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'snapshot'}{'default'} = []; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'snapshot'}{'override'} = 1; | 
 | 	# and in project config, a comma-separated list of formats or "none" | 
 | 	# to disable.  Example: gitweb.snapshot = tbz2,zip; | 
 | 	'snapshot' => { | 
 | 		'sub' => \&feature_snapshot, | 
 | 		'override' => 0, | 
 | 		'default' => ['tgz']}, | 
 |  | 
 | 	# Enable text search, which will list the commits which match author, | 
 | 	# committer or commit text to a given string.  Enabled by default. | 
 | 	# Project specific override is not supported. | 
 | 	# | 
 | 	# Note that this controls all search features, which means that if | 
 | 	# it is disabled, then 'grep' and 'pickaxe' search would also be | 
 | 	# disabled. | 
 | 	'search' => { | 
 | 		'override' => 0, | 
 | 		'default' => [1]}, | 
 |  | 
 | 	# Enable grep search, which will list the files in currently selected | 
 | 	# tree containing the given string. Enabled by default. This can be | 
 | 	# potentially CPU-intensive, of course. | 
 | 	# Note that you need to have 'search' feature enabled too. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'grep'}{'default'} = [1]; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'grep'}{'override'} = 1; | 
 | 	# and in project config gitweb.grep = 0|1; | 
 | 	'grep' => { | 
 | 		'sub' => sub { feature_bool('grep', @_) }, | 
 | 		'override' => 0, | 
 | 		'default' => [1]}, | 
 |  | 
 | 	# Enable the pickaxe search, which will list the commits that modified | 
 | 	# a given string in a file. This can be practical and quite faster | 
 | 	# alternative to 'blame', but still potentially CPU-intensive. | 
 | 	# Note that you need to have 'search' feature enabled too. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'pickaxe'}{'default'} = [1]; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'pickaxe'}{'override'} = 1; | 
 | 	# and in project config gitweb.pickaxe = 0|1; | 
 | 	'pickaxe' => { | 
 | 		'sub' => sub { feature_bool('pickaxe', @_) }, | 
 | 		'override' => 0, | 
 | 		'default' => [1]}, | 
 |  | 
 | 	# Enable showing size of blobs in a 'tree' view, in a separate | 
 | 	# column, similar to what 'ls -l' does.  This cost a bit of IO. | 
 |  | 
 | 	# To disable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'show-sizes'}{'default'} = [0]; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'show-sizes'}{'override'} = 1; | 
 | 	# and in project config gitweb.showsizes = 0|1; | 
 | 	'show-sizes' => { | 
 | 		'sub' => sub { feature_bool('showsizes', @_) }, | 
 | 		'override' => 0, | 
 | 		'default' => [1]}, | 
 |  | 
 | 	# Make gitweb use an alternative format of the URLs which can be | 
 | 	# more readable and natural-looking: project name is embedded | 
 | 	# directly in the path and the query string contains other | 
 | 	# auxiliary information. All gitweb installations recognize | 
 | 	# URL in either format; this configures in which formats gitweb | 
 | 	# generates links. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'pathinfo'}{'default'} = [1]; | 
 | 	# Project specific override is not supported. | 
 |  | 
 | 	# Note that you will need to change the default location of CSS, | 
 | 	# favicon, logo and possibly other files to an absolute URL. Also, | 
 | 	# if gitweb.cgi serves as your indexfile, you will need to force | 
 | 	# $my_uri to contain the script name in your $GITWEB_CONFIG. | 
 | 	'pathinfo' => { | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# Make gitweb consider projects in project root subdirectories | 
 | 	# to be forks of existing projects. Given project $projname.git, | 
 | 	# projects matching $projname/*.git will not be shown in the main | 
 | 	# projects list, instead a '+' mark will be added to $projname | 
 | 	# there and a 'forks' view will be enabled for the project, listing | 
 | 	# all the forks. If project list is taken from a file, forks have | 
 | 	# to be listed after the main project. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'forks'}{'default'} = [1]; | 
 | 	# Project specific override is not supported. | 
 | 	'forks' => { | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# Insert custom links to the action bar of all project pages. | 
 | 	# This enables you mainly to link to third-party scripts integrating | 
 | 	# into gitweb; e.g. git-browser for graphical history representation | 
 | 	# or custom web-based repository administration interface. | 
 |  | 
 | 	# The 'default' value consists of a list of triplets in the form | 
 | 	# (label, link, position) where position is the label after which | 
 | 	# to insert the link and link is a format string where %n expands | 
 | 	# to the project name, %f to the project path within the filesystem, | 
 | 	# %h to the current hash (h gitweb parameter) and %b to the current | 
 | 	# hash base (hb gitweb parameter); %% expands to %. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG e.g. | 
 | 	# $feature{'actions'}{'default'} = [('graphiclog', | 
 | 	# 	'/git-browser/by-commit.html?r=%n', 'summary')]; | 
 | 	# Project specific override is not supported. | 
 | 	'actions' => { | 
 | 		'override' => 0, | 
 | 		'default' => []}, | 
 |  | 
 | 	# Allow gitweb scan project content tags of project repository, | 
 | 	# and display the popular Web 2.0-ish "tag cloud" near the projects | 
 | 	# list.  Note that this is something COMPLETELY different from the | 
 | 	# normal Git tags. | 
 |  | 
 | 	# gitweb by itself can show existing tags, but it does not handle | 
 | 	# tagging itself; you need to do it externally, outside gitweb. | 
 | 	# The format is described in git_get_project_ctags() subroutine. | 
 | 	# You may want to install the HTML::TagCloud Perl module to get | 
 | 	# a pretty tag cloud instead of just a list of tags. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'ctags'}{'default'} = [1]; | 
 | 	# Project specific override is not supported. | 
 |  | 
 | 	# In the future whether ctags editing is enabled might depend | 
 | 	# on the value, but using 1 should always mean no editing of ctags. | 
 | 	'ctags' => { | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# The maximum number of patches in a patchset generated in patch | 
 | 	# view. Set this to 0 or undef to disable patch view, or to a | 
 | 	# negative number to remove any limit. | 
 |  | 
 | 	# To disable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'patches'}{'default'} = [0]; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'patches'}{'override'} = 1; | 
 | 	# and in project config gitweb.patches = 0|n; | 
 | 	# where n is the maximum number of patches allowed in a patchset. | 
 | 	'patches' => { | 
 | 		'sub' => \&feature_patches, | 
 | 		'override' => 0, | 
 | 		'default' => [16]}, | 
 |  | 
 | 	# Avatar support. When this feature is enabled, views such as | 
 | 	# shortlog or commit will display an avatar associated with | 
 | 	# the email of the committer(s) and/or author(s). | 
 |  | 
 | 	# Currently available providers are gravatar and picon. | 
 | 	# If an unknown provider is specified, the feature is disabled. | 
 |  | 
 | 	# Gravatar depends on Digest::MD5. | 
 | 	# Picon currently relies on the indiana.edu database. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'avatar'}{'default'} = ['<provider>']; | 
 | 	# where <provider> is either gravatar or picon. | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'avatar'}{'override'} = 1; | 
 | 	# and in project config gitweb.avatar = <provider>; | 
 | 	'avatar' => { | 
 | 		'sub' => \&feature_avatar, | 
 | 		'override' => 0, | 
 | 		'default' => ['']}, | 
 |  | 
 | 	# Enable displaying how much time and how many git commands | 
 | 	# it took to generate and display page.  Disabled by default. | 
 | 	# Project specific override is not supported. | 
 | 	'timed' => { | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# Enable turning some links into links to actions which require | 
 | 	# JavaScript to run (like 'blame_incremental').  Not enabled by | 
 | 	# default.  Project specific override is currently not supported. | 
 | 	'javascript-actions' => { | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# Enable and configure ability to change common timezone for dates | 
 | 	# in gitweb output via JavaScript.  Enabled by default. | 
 | 	# Project specific override is not supported. | 
 | 	'javascript-timezone' => { | 
 | 		'override' => 0, | 
 | 		'default' => [ | 
 | 			'local',     # default timezone: 'utc', 'local', or '(-|+)HHMM' format, | 
 | 			             # or undef to turn off this feature | 
 | 			'gitweb_tz', # name of cookie where to store selected timezone | 
 | 			'datetime',  # CSS class used to mark up dates for manipulation | 
 | 		]}, | 
 |  | 
 | 	# Syntax highlighting support. This is based on Daniel Svensson's | 
 | 	# and Sham Chukoury's work in gitweb-xmms2.git. | 
 | 	# It requires the 'highlight' program present in $PATH, | 
 | 	# and therefore is disabled by default. | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'highlight'}{'default'} = [1]; | 
 |  | 
 | 	'highlight' => { | 
 | 		'sub' => sub { feature_bool('highlight', @_) }, | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 |  | 
 | 	# Enable displaying of remote heads in the heads list | 
 |  | 
 | 	# To enable system wide have in $GITWEB_CONFIG | 
 | 	# $feature{'remote_heads'}{'default'} = [1]; | 
 | 	# To have project specific config enable override in $GITWEB_CONFIG | 
 | 	# $feature{'remote_heads'}{'override'} = 1; | 
 | 	# and in project config gitweb.remoteheads = 0|1; | 
 | 	'remote_heads' => { | 
 | 		'sub' => sub { feature_bool('remote_heads', @_) }, | 
 | 		'override' => 0, | 
 | 		'default' => [0]}, | 
 | ); | 
 |  | 
 | sub gitweb_get_feature { | 
 | 	my ($name) = @_; | 
 | 	return unless exists $feature{$name}; | 
 | 	my ($sub, $override, @defaults) = ( | 
 | 		$feature{$name}{'sub'}, | 
 | 		$feature{$name}{'override'}, | 
 | 		@{$feature{$name}{'default'}}); | 
 | 	# project specific override is possible only if we have project | 
 | 	our $git_dir; # global variable, declared later | 
 | 	if (!$override || !defined $git_dir) { | 
 | 		return @defaults; | 
 | 	} | 
 | 	if (!defined $sub) { | 
 | 		warn "feature $name is not overridable"; | 
 | 		return @defaults; | 
 | 	} | 
 | 	return $sub->(@defaults); | 
 | } | 
 |  | 
 | # A wrapper to check if a given feature is enabled. | 
 | # With this, you can say | 
 | # | 
 | #   my $bool_feat = gitweb_check_feature('bool_feat'); | 
 | #   gitweb_check_feature('bool_feat') or somecode; | 
 | # | 
 | # instead of | 
 | # | 
 | #   my ($bool_feat) = gitweb_get_feature('bool_feat'); | 
 | #   (gitweb_get_feature('bool_feat'))[0] or somecode; | 
 | # | 
 | sub gitweb_check_feature { | 
 | 	return (gitweb_get_feature(@_))[0]; | 
 | } | 
 |  | 
 |  | 
 | sub feature_bool { | 
 | 	my $key = shift; | 
 | 	my ($val) = git_get_project_config($key, '--bool'); | 
 |  | 
 | 	if (!defined $val) { | 
 | 		return ($_[0]); | 
 | 	} elsif ($val eq 'true') { | 
 | 		return (1); | 
 | 	} elsif ($val eq 'false') { | 
 | 		return (0); | 
 | 	} | 
 | } | 
 |  | 
 | sub feature_snapshot { | 
 | 	my (@fmts) = @_; | 
 |  | 
 | 	my ($val) = git_get_project_config('snapshot'); | 
 |  | 
 | 	if ($val) { | 
 | 		@fmts = ($val eq 'none' ? () : split /\s*[,\s]\s*/, $val); | 
 | 	} | 
 |  | 
 | 	return @fmts; | 
 | } | 
 |  | 
 | sub feature_patches { | 
 | 	my @val = (git_get_project_config('patches', '--int')); | 
 |  | 
 | 	if (@val) { | 
 | 		return @val; | 
 | 	} | 
 |  | 
 | 	return ($_[0]); | 
 | } | 
 |  | 
 | sub feature_avatar { | 
 | 	my @val = (git_get_project_config('avatar')); | 
 |  | 
 | 	return @val ? @val : @_; | 
 | } | 
 |  | 
 | # checking HEAD file with -e is fragile if the repository was | 
 | # initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed | 
 | # and then pruned. | 
 | sub check_head_link { | 
 | 	my ($dir) = @_; | 
 | 	my $headfile = "$dir/HEAD"; | 
 | 	return ((-e $headfile) || | 
 | 		(-l $headfile && readlink($headfile) =~ /^refs\/heads\//)); | 
 | } | 
 |  | 
 | sub check_export_ok { | 
 | 	my ($dir) = @_; | 
 | 	return (check_head_link($dir) && | 
 | 		(!$export_ok || -e "$dir/$export_ok") && | 
 | 		(!$export_auth_hook || $export_auth_hook->($dir))); | 
 | } | 
 |  | 
 | # process alternate names for backward compatibility | 
 | # filter out unsupported (unknown) snapshot formats | 
 | sub filter_snapshot_fmts { | 
 | 	my @fmts = @_; | 
 |  | 
 | 	@fmts = map { | 
 | 		exists $known_snapshot_format_aliases{$_} ? | 
 | 		       $known_snapshot_format_aliases{$_} : $_} @fmts; | 
 | 	@fmts = grep { | 
 | 		exists $known_snapshot_formats{$_} && | 
 | 		!$known_snapshot_formats{$_}{'disabled'}} @fmts; | 
 | } | 
 |  | 
 | # If it is set to code reference, it is code that it is to be run once per | 
 | # request, allowing updating configurations that change with each request, | 
 | # while running other code in config file only once. | 
 | # | 
 | # Otherwise, if it is false then gitweb would process config file only once; | 
 | # if it is true then gitweb config would be run for each request. | 
 | our $per_request_config = 1; | 
 |  | 
 | # read and parse gitweb config file given by its parameter. | 
 | # returns true on success, false on recoverable error, allowing | 
 | # to chain this subroutine, using first file that exists. | 
 | # dies on errors during parsing config file, as it is unrecoverable. | 
 | sub read_config_file { | 
 | 	my $filename = shift; | 
 | 	return unless defined $filename; | 
 | 	# die if there are errors parsing config file | 
 | 	if (-e $filename) { | 
 | 		do $filename; | 
 | 		die $@ if $@; | 
 | 		return 1; | 
 | 	} | 
 | 	return; | 
 | } | 
 |  | 
 | our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON); | 
 | sub evaluate_gitweb_config { | 
 | 	our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++"; | 
 | 	our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++"; | 
 | 	our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++"; | 
 |  | 
 | 	# Protect agains duplications of file names, to not read config twice. | 
 | 	# Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so | 
 | 	# there possibility of duplication of filename there doesn't matter. | 
 | 	$GITWEB_CONFIG = ""        if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON); | 
 | 	$GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON); | 
 |  | 
 | 	# Common system-wide settings for convenience. | 
 | 	# Those settings can be ovverriden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM. | 
 | 	read_config_file($GITWEB_CONFIG_COMMON); | 
 |  | 
 | 	# Use first config file that exists.  This means use the per-instance | 
 | 	# GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG. | 
 | 	read_config_file($GITWEB_CONFIG) and return; | 
 | 	read_config_file($GITWEB_CONFIG_SYSTEM); | 
 | } | 
 |  | 
 | # Get loadavg of system, to compare against $maxload. | 
 | # Currently it requires '/proc/loadavg' present to get loadavg; | 
 | # if it is not present it returns 0, which means no load checking. | 
 | sub get_loadavg { | 
 | 	if( -e '/proc/loadavg' ){ | 
 | 		open my $fd, '<', '/proc/loadavg' | 
 | 			or return 0; | 
 | 		my @load = split(/\s+/, scalar <$fd>); | 
 | 		close $fd; | 
 |  | 
 | 		# The first three columns measure CPU and IO utilization of the last one, | 
 | 		# five, and 10 minute periods.  The fourth column shows the number of | 
 | 		# currently running processes and the total number of processes in the m/n | 
 | 		# format.  The last column displays the last process ID used. | 
 | 		return $load[0] || 0; | 
 | 	} | 
 | 	# additional checks for load average should go here for things that don't export | 
 | 	# /proc/loadavg | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | # version of the core git binary | 
 | our $git_version; | 
 | sub evaluate_git_version { | 
 | 	our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown"; | 
 | 	$number_of_git_cmds++; | 
 | } | 
 |  | 
 | sub check_loadavg { | 
 | 	if (defined $maxload && get_loadavg() > $maxload) { | 
 | 		die_error(503, "The load average on the server is too high"); | 
 | 	} | 
 | } | 
 |  | 
 | # ====================================================================== | 
 | # input validation and dispatch | 
 |  | 
 | # input parameters can be collected from a variety of sources (presently, CGI | 
 | # and PATH_INFO), so we define an %input_params hash that collects them all | 
 | # together during validation: this allows subsequent uses (e.g. href()) to be | 
 | # agnostic of the parameter origin | 
 |  | 
 | our %input_params = (); | 
 |  | 
 | # input parameters are stored with the long parameter name as key. This will | 
 | # also be used in the href subroutine to convert parameters to their CGI | 
 | # equivalent, and since the href() usage is the most frequent one, we store | 
 | # the name -> CGI key mapping here, instead of the reverse. | 
 | # | 
 | # XXX: Warning: If you touch this, check the search form for updating, | 
 | # too. | 
 |  | 
 | our @cgi_param_mapping = ( | 
 | 	project => "p", | 
 | 	action => "a", | 
 | 	file_name => "f", | 
 | 	file_parent => "fp", | 
 | 	hash => "h", | 
 | 	hash_parent => "hp", | 
 | 	hash_base => "hb", | 
 | 	hash_parent_base => "hpb", | 
 | 	page => "pg", | 
 | 	order => "o", | 
 | 	searchtext => "s", | 
 | 	searchtype => "st", | 
 | 	snapshot_format => "sf", | 
 | 	extra_options => "opt", | 
 | 	search_use_regexp => "sr", | 
 | 	ctag => "by_tag", | 
 | 	diff_style => "ds", | 
 | 	project_filter => "pf", | 
 | 	# this must be last entry (for manipulation from JavaScript) | 
 | 	javascript => "js" | 
 | ); | 
 | our %cgi_param_mapping = @cgi_param_mapping; | 
 |  | 
 | # we will also need to know the possible actions, for validation | 
 | our %actions = ( | 
 | 	"blame" => \&git_blame, | 
 | 	"blame_incremental" => \&git_blame_incremental, | 
 | 	"blame_data" => \&git_blame_data, | 
 | 	"blobdiff" => \&git_blobdiff, | 
 | 	"blobdiff_plain" => \&git_blobdiff_plain, | 
 | 	"blob" => \&git_blob, | 
 | 	"blob_plain" => \&git_blob_plain, | 
 | 	"commitdiff" => \&git_commitdiff, | 
 | 	"commitdiff_plain" => \&git_commitdiff_plain, | 
 | 	"commit" => \&git_commit, | 
 | 	"forks" => \&git_forks, | 
 | 	"heads" => \&git_heads, | 
 | 	"history" => \&git_history, | 
 | 	"log" => \&git_log, | 
 | 	"patch" => \&git_patch, | 
 | 	"patches" => \&git_patches, | 
 | 	"remotes" => \&git_remotes, | 
 | 	"rss" => \&git_rss, | 
 | 	"atom" => \&git_atom, | 
 | 	"search" => \&git_search, | 
 | 	"search_help" => \&git_search_help, | 
 | 	"shortlog" => \&git_shortlog, | 
 | 	"summary" => \&git_summary, | 
 | 	"tag" => \&git_tag, | 
 | 	"tags" => \&git_tags, | 
 | 	"tree" => \&git_tree, | 
 | 	"snapshot" => \&git_snapshot, | 
 | 	"object" => \&git_object, | 
 | 	# those below don't need $project | 
 | 	"opml" => \&git_opml, | 
 | 	"project_list" => \&git_project_list, | 
 | 	"project_index" => \&git_project_index, | 
 | ); | 
 |  | 
 | # finally, we have the hash of allowed extra_options for the commands that | 
 | # allow them | 
 | our %allowed_options = ( | 
 | 	"--no-merges" => [ qw(rss atom log shortlog history) ], | 
 | ); | 
 |  | 
 | # fill %input_params with the CGI parameters. All values except for 'opt' | 
 | # should be single values, but opt can be an array. We should probably | 
 | # build an array of parameters that can be multi-valued, but since for the time | 
 | # being it's only this one, we just single it out | 
 | sub evaluate_query_params { | 
 | 	our $cgi; | 
 |  | 
 | 	while (my ($name, $symbol) = each %cgi_param_mapping) { | 
 | 		if ($symbol eq 'opt') { | 
 | 			$input_params{$name} = [ map { decode_utf8($_) } $cgi->param($symbol) ]; | 
 | 		} else { | 
 | 			$input_params{$name} = decode_utf8($cgi->param($symbol)); | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | # now read PATH_INFO and update the parameter list for missing parameters | 
 | sub evaluate_path_info { | 
 | 	return if defined $input_params{'project'}; | 
 | 	return if !$path_info; | 
 | 	$path_info =~ s,^/+,,; | 
 | 	return if !$path_info; | 
 |  | 
 | 	# find which part of PATH_INFO is project | 
 | 	my $project = $path_info; | 
 | 	$project =~ s,/+$,,; | 
 | 	while ($project && !check_head_link("$projectroot/$project")) { | 
 | 		$project =~ s,/*[^/]*$,,; | 
 | 	} | 
 | 	return unless $project; | 
 | 	$input_params{'project'} = $project; | 
 |  | 
 | 	# do not change any parameters if an action is given using the query string | 
 | 	return if $input_params{'action'}; | 
 | 	$path_info =~ s,^\Q$project\E/*,,; | 
 |  | 
 | 	# next, check if we have an action | 
 | 	my $action = $path_info; | 
 | 	$action =~ s,/.*$,,; | 
 | 	if (exists $actions{$action}) { | 
 | 		$path_info =~ s,^$action/*,,; | 
 | 		$input_params{'action'} = $action; | 
 | 	} | 
 |  | 
 | 	# list of actions that want hash_base instead of hash, but can have no | 
 | 	# pathname (f) parameter | 
 | 	my @wants_base = ( | 
 | 		'tree', | 
 | 		'history', | 
 | 	); | 
 |  | 
 | 	# we want to catch, among others | 
 | 	# [$hash_parent_base[:$file_parent]..]$hash_parent[:$file_name] | 
 | 	my ($parentrefname, $parentpathname, $refname, $pathname) = | 
 | 		($path_info =~ /^(?:(.+?)(?::(.+))?\.\.)?([^:]+?)?(?::(.+))?$/); | 
 |  | 
 | 	# first, analyze the 'current' part | 
 | 	if (defined $pathname) { | 
 | 		# we got "branch:filename" or "branch:dir/" | 
 | 		# we could use git_get_type(branch:pathname), but: | 
 | 		# - it needs $git_dir | 
 | 		# - it does a git() call | 
 | 		# - the convention of terminating directories with a slash | 
 | 		#   makes it superfluous | 
 | 		# - embedding the action in the PATH_INFO would make it even | 
 | 		#   more superfluous | 
 | 		$pathname =~ s,^/+,,; | 
 | 		if (!$pathname || substr($pathname, -1) eq "/") { | 
 | 			$input_params{'action'} ||= "tree"; | 
 | 			$pathname =~ s,/$,,; | 
 | 		} else { | 
 | 			# the default action depends on whether we had parent info | 
 | 			# or not | 
 | 			if ($parentrefname) { | 
 | 				$input_params{'action'} ||= "blobdiff_plain"; | 
 | 			} else { | 
 | 				$input_params{'action'} ||= "blob_plain"; | 
 | 			} | 
 | 		} | 
 | 		$input_params{'hash_base'} ||= $refname; | 
 | 		$input_params{'file_name'} ||= $pathname; | 
 | 	} elsif (defined $refname) { | 
 | 		# we got "branch". In this case we have to choose if we have to | 
 | 		# set hash or hash_base. | 
 | 		# | 
 | 		# Most of the actions without a pathname only want hash to be | 
 | 		# set, except for the ones specified in @wants_base that want | 
 | 		# hash_base instead. It should also be noted that hand-crafted | 
 | 		# links having 'history' as an action and no pathname or hash | 
 | 		# set will fail, but that happens regardless of PATH_INFO. | 
 | 		if (defined $parentrefname) { | 
 | 			# if there is parent let the default be 'shortlog' action | 
 | 			# (for http://git.example.com/repo.git/A..B links); if there | 
 | 			# is no parent, dispatch will detect type of object and set | 
 | 			# action appropriately if required (if action is not set) | 
 | 			$input_params{'action'} ||= "shortlog"; | 
 | 		} | 
 | 		if ($input_params{'action'} && | 
 | 		    grep { $_ eq $input_params{'action'} } @wants_base) { | 
 | 			$input_params{'hash_base'} ||= $refname; | 
 | 		} else { | 
 | 			$input_params{'hash'} ||= $refname; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# next, handle the 'parent' part, if present | 
 | 	if (defined $parentrefname) { | 
 | 		# a missing pathspec defaults to the 'current' filename, allowing e.g. | 
 | 		# someproject/blobdiff/oldrev..newrev:/filename | 
 | 		if ($parentpathname) { | 
 | 			$parentpathname =~ s,^/+,,; | 
 | 			$parentpathname =~ s,/$,,; | 
 | 			$input_params{'file_parent'} ||= $parentpathname; | 
 | 		} else { | 
 | 			$input_params{'file_parent'} ||= $input_params{'file_name'}; | 
 | 		} | 
 | 		# we assume that hash_parent_base is wanted if a path was specified, | 
 | 		# or if the action wants hash_base instead of hash | 
 | 		if (defined $input_params{'file_parent'} || | 
 | 			grep { $_ eq $input_params{'action'} } @wants_base) { | 
 | 			$input_params{'hash_parent_base'} ||= $parentrefname; | 
 | 		} else { | 
 | 			$input_params{'hash_parent'} ||= $parentrefname; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# for the snapshot action, we allow URLs in the form | 
 | 	# $project/snapshot/$hash.ext | 
 | 	# where .ext determines the snapshot and gets removed from the | 
 | 	# passed $refname to provide the $hash. | 
 | 	# | 
 | 	# To be able to tell that $refname includes the format extension, we | 
 | 	# require the following two conditions to be satisfied: | 
 | 	# - the hash input parameter MUST have been set from the $refname part | 
 | 	#   of the URL (i.e. they must be equal) | 
 | 	# - the snapshot format MUST NOT have been defined already (e.g. from | 
 | 	#   CGI parameter sf) | 
 | 	# It's also useless to try any matching unless $refname has a dot, | 
 | 	# so we check for that too | 
 | 	if (defined $input_params{'action'} && | 
 | 		$input_params{'action'} eq 'snapshot' && | 
 | 		defined $refname && index($refname, '.') != -1 && | 
 | 		$refname eq $input_params{'hash'} && | 
 | 		!defined $input_params{'snapshot_format'}) { | 
 | 		# We loop over the known snapshot formats, checking for | 
 | 		# extensions. Allowed extensions are both the defined suffix | 
 | 		# (which includes the initial dot already) and the snapshot | 
 | 		# format key itself, with a prepended dot | 
 | 		while (my ($fmt, $opt) = each %known_snapshot_formats) { | 
 | 			my $hash = $refname; | 
 | 			unless ($hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//) { | 
 | 				next; | 
 | 			} | 
 | 			my $sfx = $1; | 
 | 			# a valid suffix was found, so set the snapshot format | 
 | 			# and reset the hash parameter | 
 | 			$input_params{'snapshot_format'} = $fmt; | 
 | 			$input_params{'hash'} = $hash; | 
 | 			# we also set the format suffix to the one requested | 
 | 			# in the URL: this way a request for e.g. .tgz returns | 
 | 			# a .tgz instead of a .tar.gz | 
 | 			$known_snapshot_formats{$fmt}{'suffix'} = $sfx; | 
 | 			last; | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | our ($action, $project, $file_name, $file_parent, $hash, $hash_parent, $hash_base, | 
 |      $hash_parent_base, @extra_options, $page, $searchtype, $search_use_regexp, | 
 |      $searchtext, $search_regexp, $project_filter); | 
 | sub evaluate_and_validate_params { | 
 | 	our $action = $input_params{'action'}; | 
 | 	if (defined $action) { | 
 | 		if (!validate_action($action)) { | 
 | 			die_error(400, "Invalid action parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# parameters which are pathnames | 
 | 	our $project = $input_params{'project'}; | 
 | 	if (defined $project) { | 
 | 		if (!validate_project($project)) { | 
 | 			undef $project; | 
 | 			die_error(404, "No such project"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $project_filter = $input_params{'project_filter'}; | 
 | 	if (defined $project_filter) { | 
 | 		if (!validate_pathname($project_filter)) { | 
 | 			die_error(404, "Invalid project_filter parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $file_name = $input_params{'file_name'}; | 
 | 	if (defined $file_name) { | 
 | 		if (!validate_pathname($file_name)) { | 
 | 			die_error(400, "Invalid file parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $file_parent = $input_params{'file_parent'}; | 
 | 	if (defined $file_parent) { | 
 | 		if (!validate_pathname($file_parent)) { | 
 | 			die_error(400, "Invalid file parent parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# parameters which are refnames | 
 | 	our $hash = $input_params{'hash'}; | 
 | 	if (defined $hash) { | 
 | 		if (!validate_refname($hash)) { | 
 | 			die_error(400, "Invalid hash parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $hash_parent = $input_params{'hash_parent'}; | 
 | 	if (defined $hash_parent) { | 
 | 		if (!validate_refname($hash_parent)) { | 
 | 			die_error(400, "Invalid hash parent parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $hash_base = $input_params{'hash_base'}; | 
 | 	if (defined $hash_base) { | 
 | 		if (!validate_refname($hash_base)) { | 
 | 			die_error(400, "Invalid hash base parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our @extra_options = @{$input_params{'extra_options'}}; | 
 | 	# @extra_options is always defined, since it can only be (currently) set from | 
 | 	# CGI, and $cgi->param() returns the empty array in array context if the param | 
 | 	# is not set | 
 | 	foreach my $opt (@extra_options) { | 
 | 		if (not exists $allowed_options{$opt}) { | 
 | 			die_error(400, "Invalid option parameter"); | 
 | 		} | 
 | 		if (not grep(/^$action$/, @{$allowed_options{$opt}})) { | 
 | 			die_error(400, "Invalid option parameter for this action"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $hash_parent_base = $input_params{'hash_parent_base'}; | 
 | 	if (defined $hash_parent_base) { | 
 | 		if (!validate_refname($hash_parent_base)) { | 
 | 			die_error(400, "Invalid hash parent base parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# other parameters | 
 | 	our $page = $input_params{'page'}; | 
 | 	if (defined $page) { | 
 | 		if ($page =~ m/[^0-9]/) { | 
 | 			die_error(400, "Invalid page parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $searchtype = $input_params{'searchtype'}; | 
 | 	if (defined $searchtype) { | 
 | 		if ($searchtype =~ m/[^a-z]/) { | 
 | 			die_error(400, "Invalid searchtype parameter"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	our $search_use_regexp = $input_params{'search_use_regexp'}; | 
 |  | 
 | 	our $searchtext = $input_params{'searchtext'}; | 
 | 	our $search_regexp; | 
 | 	if (defined $searchtext) { | 
 | 		if (length($searchtext) < 2) { | 
 | 			die_error(403, "At least two characters are required for search parameter"); | 
 | 		} | 
 | 		if ($search_use_regexp) { | 
 | 			$search_regexp = $searchtext; | 
 | 			if (!eval { qr/$search_regexp/; 1; }) { | 
 | 				(my $error = $@) =~ s/ at \S+ line \d+.*\n?//; | 
 | 				die_error(400, "Invalid search regexp '$search_regexp'", | 
 | 				          esc_html($error)); | 
 | 			} | 
 | 		} else { | 
 | 			$search_regexp = quotemeta $searchtext; | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | # path to the current git repository | 
 | our $git_dir; | 
 | sub evaluate_git_dir { | 
 | 	our $git_dir = "$projectroot/$project" if $project; | 
 | } | 
 |  | 
 | our (@snapshot_fmts, $git_avatar); | 
 | sub configure_gitweb_features { | 
 | 	# list of supported snapshot formats | 
 | 	our @snapshot_fmts = gitweb_get_feature('snapshot'); | 
 | 	@snapshot_fmts = filter_snapshot_fmts(@snapshot_fmts); | 
 |  | 
 | 	# check that the avatar feature is set to a known provider name, | 
 | 	# and for each provider check if the dependencies are satisfied. | 
 | 	# if the provider name is invalid or the dependencies are not met, | 
 | 	# reset $git_avatar to the empty string. | 
 | 	our ($git_avatar) = gitweb_get_feature('avatar'); | 
 | 	if ($git_avatar eq 'gravatar') { | 
 | 		$git_avatar = '' unless (eval { require Digest::MD5; 1; }); | 
 | 	} elsif ($git_avatar eq 'picon') { | 
 | 		# no dependencies | 
 | 	} else { | 
 | 		$git_avatar = ''; | 
 | 	} | 
 | } | 
 |  | 
 | # custom error handler: 'die <message>' is Internal Server Error | 
 | sub handle_errors_html { | 
 | 	my $msg = shift; # it is already HTML escaped | 
 |  | 
 | 	# to avoid infinite loop where error occurs in die_error, | 
 | 	# change handler to default handler, disabling handle_errors_html | 
 | 	set_message("Error occured when inside die_error:\n$msg"); | 
 |  | 
 | 	# you cannot jump out of die_error when called as error handler; | 
 | 	# the subroutine set via CGI::Carp::set_message is called _after_ | 
 | 	# HTTP headers are already written, so it cannot write them itself | 
 | 	die_error(undef, undef, $msg, -error_handler => 1, -no_http_header => 1); | 
 | } | 
 | set_message(\&handle_errors_html); | 
 |  | 
 | # dispatch | 
 | sub dispatch { | 
 | 	if (!defined $action) { | 
 | 		if (defined $hash) { | 
 | 			$action = git_get_type($hash); | 
 | 			$action or die_error(404, "Object does not exist"); | 
 | 		} elsif (defined $hash_base && defined $file_name) { | 
 | 			$action = git_get_type("$hash_base:$file_name"); | 
 | 			$action or die_error(404, "File or directory does not exist"); | 
 | 		} elsif (defined $project) { | 
 | 			$action = 'summary'; | 
 | 		} else { | 
 | 			$action = 'project_list'; | 
 | 		} | 
 | 	} | 
 | 	if (!defined($actions{$action})) { | 
 | 		die_error(400, "Unknown action"); | 
 | 	} | 
 | 	if ($action !~ m/^(?:opml|project_list|project_index)$/ && | 
 | 	    !$project) { | 
 | 		die_error(400, "Project needed"); | 
 | 	} | 
 | 	$actions{$action}->(); | 
 | } | 
 |  | 
 | sub reset_timer { | 
 | 	our $t0 = [ gettimeofday() ] | 
 | 		if defined $t0; | 
 | 	our $number_of_git_cmds = 0; | 
 | } | 
 |  | 
 | our $first_request = 1; | 
 | sub run_request { | 
 | 	reset_timer(); | 
 |  | 
 | 	evaluate_uri(); | 
 | 	if ($first_request) { | 
 | 		evaluate_gitweb_config(); | 
 | 		evaluate_git_version(); | 
 | 	} | 
 | 	if ($per_request_config) { | 
 | 		if (ref($per_request_config) eq 'CODE') { | 
 | 			$per_request_config->(); | 
 | 		} elsif (!$first_request) { | 
 | 			evaluate_gitweb_config(); | 
 | 		} | 
 | 	} | 
 | 	check_loadavg(); | 
 |  | 
 | 	# $projectroot and $projects_list might be set in gitweb config file | 
 | 	$projects_list ||= $projectroot; | 
 |  | 
 | 	evaluate_query_params(); | 
 | 	evaluate_path_info(); | 
 | 	evaluate_and_validate_params(); | 
 | 	evaluate_git_dir(); | 
 |  | 
 | 	configure_gitweb_features(); | 
 |  | 
 | 	dispatch(); | 
 | } | 
 |  | 
 | our $is_last_request = sub { 1 }; | 
 | our ($pre_dispatch_hook, $post_dispatch_hook, $pre_listen_hook); | 
 | our $CGI = 'CGI'; | 
 | our $cgi; | 
 | sub configure_as_fcgi { | 
 | 	require CGI::Fast; | 
 | 	our $CGI = 'CGI::Fast'; | 
 |  | 
 | 	my $request_number = 0; | 
 | 	# let each child service 100 requests | 
 | 	our $is_last_request = sub { ++$request_number > 100 }; | 
 | } | 
 | sub evaluate_argv { | 
 | 	my $script_name = $ENV{'SCRIPT_NAME'} || $ENV{'SCRIPT_FILENAME'} || __FILE__; | 
 | 	configure_as_fcgi() | 
 | 		if $script_name =~ /\.fcgi$/; | 
 |  | 
 | 	return unless (@ARGV); | 
 |  | 
 | 	require Getopt::Long; | 
 | 	Getopt::Long::GetOptions( | 
 | 		'fastcgi|fcgi|f' => \&configure_as_fcgi, | 
 | 		'nproc|n=i' => sub { | 
 | 			my ($arg, $val) = @_; | 
 | 			return unless eval { require FCGI::ProcManager; 1; }; | 
 | 			my $proc_manager = FCGI::ProcManager->new({ | 
 | 				n_processes => $val, | 
 | 			}); | 
 | 			our $pre_listen_hook    = sub { $proc_manager->pm_manage()        }; | 
 | 			our $pre_dispatch_hook  = sub { $proc_manager->pm_pre_dispatch()  }; | 
 | 			our $post_dispatch_hook = sub { $proc_manager->pm_post_dispatch() }; | 
 | 		}, | 
 | 	); | 
 | } | 
 |  | 
 | sub run { | 
 | 	evaluate_argv(); | 
 |  | 
 | 	$first_request = 1; | 
 | 	$pre_listen_hook->() | 
 | 		if $pre_listen_hook; | 
 |  | 
 |  REQUEST: | 
 | 	while ($cgi = $CGI->new()) { | 
 | 		$pre_dispatch_hook->() | 
 | 			if $pre_dispatch_hook; | 
 |  | 
 | 		run_request(); | 
 |  | 
 | 		$post_dispatch_hook->() | 
 | 			if $post_dispatch_hook; | 
 | 		$first_request = 0; | 
 |  | 
 | 		last REQUEST if ($is_last_request->()); | 
 | 	} | 
 |  | 
 |  DONE_GITWEB: | 
 | 	1; | 
 | } | 
 |  | 
 | run(); | 
 |  | 
 | if (defined caller) { | 
 | 	# wrapped in a subroutine processing requests, | 
 | 	# e.g. mod_perl with ModPerl::Registry, or PSGI with Plack::App::WrapCGI | 
 | 	return; | 
 | } else { | 
 | 	# pure CGI script, serving single request | 
 | 	exit; | 
 | } | 
 |  | 
 | ## ====================================================================== | 
 | ## action links | 
 |  | 
 | # possible values of extra options | 
 | # -full => 0|1      - use absolute/full URL ($my_uri/$my_url as base) | 
 | # -replay => 1      - start from a current view (replay with modifications) | 
 | # -path_info => 0|1 - don't use/use path_info URL (if possible) | 
 | # -anchor => ANCHOR - add #ANCHOR to end of URL, implies -replay if used alone | 
 | sub href { | 
 | 	my %params = @_; | 
 | 	# default is to use -absolute url() i.e. $my_uri | 
 | 	my $href = $params{-full} ? $my_url : $my_uri; | 
 |  | 
 | 	# implicit -replay, must be first of implicit params | 
 | 	$params{-replay} = 1 if (keys %params == 1 && $params{-anchor}); | 
 |  | 
 | 	$params{'project'} = $project unless exists $params{'project'}; | 
 |  | 
 | 	if ($params{-replay}) { | 
 | 		while (my ($name, $symbol) = each %cgi_param_mapping) { | 
 | 			if (!exists $params{$name}) { | 
 | 				$params{$name} = $input_params{$name}; | 
 | 			} | 
 | 		} | 
 | 	} | 
 |  | 
 | 	my $use_pathinfo = gitweb_check_feature('pathinfo'); | 
 | 	if (defined $params{'project'} && | 
 | 	    (exists $params{-path_info} ? $params{-path_info} : $use_pathinfo)) { | 
 | 		# try to put as many parameters as possible in PATH_INFO: | 
 | 		#   - project name | 
 | 		#   - action | 
 | 		#   - hash_parent or hash_parent_base:/file_parent | 
 | 		#   - hash or hash_base:/filename | 
 | 		#   - the snapshot_format as an appropriate suffix | 
 |  | 
 | 		# When the script is the root DirectoryIndex for the domain, | 
 | 		# $href here would be something like http://gitweb.example.com/ | 
 | 		# Thus, we strip any trailing / from $href, to spare us double | 
 | 		# slashes in the final URL | 
 | 		$href =~ s,/$,,; | 
 |  | 
 | 		# Then add the project name, if present | 
 | 		$href .= "/".esc_path_info($params{'project'}); | 
 | 		delete $params{'project'}; | 
 |  | 
 | 		# since we destructively absorb parameters, we keep this | 
 | 		# boolean that remembers if we're handling a snapshot | 
 | 		my $is_snapshot = $params{'action'} eq 'snapshot'; | 
 |  | 
 | 		# Summary just uses the project path URL, any other action is | 
 | 		# added to the URL | 
 | 		if (defined $params{'action'}) { | 
 | 			$href .= "/".esc_path_info($params{'action'}) | 
 | 				unless $params{'action'} eq 'summary'; | 
 | 			delete $params{'action'}; | 
 | 		} | 
 |  | 
 | 		# Next, we put hash_parent_base:/file_parent..hash_base:/file_name, | 
 | 		# stripping nonexistent or useless pieces | 
 | 		$href .= "/" if ($params{'hash_base'} || $params{'hash_parent_base'} | 
 | 			|| $params{'hash_parent'} || $params{'hash'}); | 
 | 		if (defined $params{'hash_base'}) { | 
 | 			if (defined $params{'hash_parent_base'}) { | 
 | 				$href .= esc_path_info($params{'hash_parent_base'}); | 
 | 				# skip the file_parent if it's the same as the file_name | 
 | 				if (defined $params{'file_parent'}) { | 
 | 					if (defined $params{'file_name'} && $params{'file_parent'} eq $params{'file_name'}) { | 
 | 						delete $params{'file_parent'}; | 
 | 					} elsif ($params{'file_parent'} !~ /\.\./) { | 
 | 						$href .= ":/".esc_path_info($params{'file_parent'}); | 
 | 						delete $params{'file_parent'}; | 
 | 					} | 
 | 				} | 
 | 				$href .= ".."; | 
 | 				delete $params{'hash_parent'}; | 
 | 				delete $params{'hash_parent_base'}; | 
 | 			} elsif (defined $params{'hash_parent'}) { | 
 | 				$href .= esc_path_info($params{'hash_parent'}). ".."; | 
 | 				delete $params{'hash_parent'}; | 
 | 			} | 
 |  | 
 | 			$href .= esc_path_info($params{'hash_base'}); | 
 | 			if (defined $params{'file_name'} && $params{'file_name'} !~ /\.\./) { | 
 | 				$href .= ":/".esc_path_info($params{'file_name'}); | 
 | 				delete $params{'file_name'}; | 
 | 			} | 
 | 			delete $params{'hash'}; | 
 | 			delete $params{'hash_base'}; | 
 | 		} elsif (defined $params{'hash'}) { | 
 | 			$href .= esc_path_info($params{'hash'}); | 
 | 			delete $params{'hash'}; | 
 | 		} | 
 |  | 
 | 		# If the action was a snapshot, we can absorb the | 
 | 		# snapshot_format parameter too | 
 | 		if ($is_snapshot) { | 
 | 			my $fmt = $params{'snapshot_format'}; | 
 | 			# snapshot_format should always be defined when href() | 
 | 			# is called, but just in case some code forgets, we | 
 | 			# fall back to the default | 
 | 			$fmt ||= $snapshot_fmts[0]; | 
 | 			$href .= $known_snapshot_formats{$fmt}{'suffix'}; | 
 | 			delete $params{'snapshot_format'}; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# now encode the parameters explicitly | 
 | 	my @result = (); | 
 | 	for (my $i = 0; $i < @cgi_param_mapping; $i += 2) { | 
 | 		my ($name, $symbol) = ($cgi_param_mapping[$i], $cgi_param_mapping[$i+1]); | 
 | 		if (defined $params{$name}) { | 
 | 			if (ref($params{$name}) eq "ARRAY") { | 
 | 				foreach my $par (@{$params{$name}}) { | 
 | 					push @result, $symbol . "=" . esc_param($par); | 
 | 				} | 
 | 			} else { | 
 | 				push @result, $symbol . "=" . esc_param($params{$name}); | 
 | 			} | 
 | 		} | 
 | 	} | 
 | 	$href .= "?" . join(';', @result) if scalar @result; | 
 |  | 
 | 	# final transformation: trailing spaces must be escaped (URI-encoded) | 
 | 	$href =~ s/(\s+)$/CGI::escape($1)/e; | 
 |  | 
 | 	if ($params{-anchor}) { | 
 | 		$href .= "#".esc_param($params{-anchor}); | 
 | 	} | 
 |  | 
 | 	return $href; | 
 | } | 
 |  | 
 |  | 
 | ## ====================================================================== | 
 | ## validation, quoting/unquoting and escaping | 
 |  | 
 | sub validate_action { | 
 | 	my $input = shift || return undef; | 
 | 	return undef unless exists $actions{$input}; | 
 | 	return $input; | 
 | } | 
 |  | 
 | sub validate_project { | 
 | 	my $input = shift || return undef; | 
 | 	if (!validate_pathname($input) || | 
 | 		!(-d "$projectroot/$input") || | 
 | 		!check_export_ok("$projectroot/$input") || | 
 | 		($strict_export && !project_in_list($input))) { | 
 | 		return undef; | 
 | 	} else { | 
 | 		return $input; | 
 | 	} | 
 | } | 
 |  | 
 | sub validate_pathname { | 
 | 	my $input = shift || return undef; | 
 |  | 
 | 	# no '.' or '..' as elements of path, i.e. no '.' nor '..' | 
 | 	# at the beginning, at the end, and between slashes. | 
 | 	# also this catches doubled slashes | 
 | 	if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) { | 
 | 		return undef; | 
 | 	} | 
 | 	# no null characters | 
 | 	if ($input =~ m!\0!) { | 
 | 		return undef; | 
 | 	} | 
 | 	return $input; | 
 | } | 
 |  | 
 | sub validate_refname { | 
 | 	my $input = shift || return undef; | 
 |  | 
 | 	# textual hashes are O.K. | 
 | 	if ($input =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 		return $input; | 
 | 	} | 
 | 	# it must be correct pathname | 
 | 	$input = validate_pathname($input) | 
 | 		or return undef; | 
 | 	# restrictions on ref name according to git-check-ref-format | 
 | 	if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) { | 
 | 		return undef; | 
 | 	} | 
 | 	return $input; | 
 | } | 
 |  | 
 | # decode sequences of octets in utf8 into Perl's internal form, | 
 | # which is utf-8 with utf8 flag set if needed.  gitweb writes out | 
 | # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning | 
 | sub to_utf8 { | 
 | 	my $str = shift; | 
 | 	return undef unless defined $str; | 
 |  | 
 | 	if (utf8::is_utf8($str) || utf8::decode($str)) { | 
 | 		return $str; | 
 | 	} else { | 
 | 		return decode($fallback_encoding, $str, Encode::FB_DEFAULT); | 
 | 	} | 
 | } | 
 |  | 
 | # quote unsafe chars, but keep the slash, even when it's not | 
 | # correct, but quoted slashes look too horrible in bookmarks | 
 | sub esc_param { | 
 | 	my $str = shift; | 
 | 	return undef unless defined $str; | 
 | 	$str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg; | 
 | 	$str =~ s/ /\+/g; | 
 | 	return $str; | 
 | } | 
 |  | 
 | # the quoting rules for path_info fragment are slightly different | 
 | sub esc_path_info { | 
 | 	my $str = shift; | 
 | 	return undef unless defined $str; | 
 |  | 
 | 	# path_info doesn't treat '+' as space (specially), but '?' must be escaped | 
 | 	$str =~ s/([^A-Za-z0-9\-_.~();\/;:@&= +]+)/CGI::escape($1)/eg; | 
 |  | 
 | 	return $str; | 
 | } | 
 |  | 
 | # quote unsafe chars in whole URL, so some characters cannot be quoted | 
 | sub esc_url { | 
 | 	my $str = shift; | 
 | 	return undef unless defined $str; | 
 | 	$str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&= ]+)/CGI::escape($1)/eg; | 
 | 	$str =~ s/ /\+/g; | 
 | 	return $str; | 
 | } | 
 |  | 
 | # quote unsafe characters in HTML attributes | 
 | sub esc_attr { | 
 |  | 
 | 	# for XHTML conformance escaping '"' to '"' is not enough | 
 | 	return esc_html(@_); | 
 | } | 
 |  | 
 | # replace invalid utf8 character with SUBSTITUTION sequence | 
 | sub esc_html { | 
 | 	my $str = shift; | 
 | 	my %opts = @_; | 
 |  | 
 | 	return undef unless defined $str; | 
 |  | 
 | 	$str = to_utf8($str); | 
 | 	$str = $cgi->escapeHTML($str); | 
 | 	if ($opts{'-nbsp'}) { | 
 | 		$str =~ s/ / /g; | 
 | 	} | 
 | 	$str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg; | 
 | 	return $str; | 
 | } | 
 |  | 
 | # quote control characters and escape filename to HTML | 
 | sub esc_path { | 
 | 	my $str = shift; | 
 | 	my %opts = @_; | 
 |  | 
 | 	return undef unless defined $str; | 
 |  | 
 | 	$str = to_utf8($str); | 
 | 	$str = $cgi->escapeHTML($str); | 
 | 	if ($opts{'-nbsp'}) { | 
 | 		$str =~ s/ / /g; | 
 | 	} | 
 | 	$str =~ s|([[:cntrl:]])|quot_cec($1)|eg; | 
 | 	return $str; | 
 | } | 
 |  | 
 | # Sanitize for use in XHTML + application/xml+xhtm (valid XML 1.0) | 
 | sub sanitize { | 
 | 	my $str = shift; | 
 |  | 
 | 	return undef unless defined $str; | 
 |  | 
 | 	$str = to_utf8($str); | 
 | 	$str =~ s|([[:cntrl:]])|(index("\t\n\r", $1) != -1 ? $1 : quot_cec($1))|eg; | 
 | 	return $str; | 
 | } | 
 |  | 
 | # Make control characters "printable", using character escape codes (CEC) | 
 | sub quot_cec { | 
 | 	my $cntrl = shift; | 
 | 	my %opts = @_; | 
 | 	my %es = ( # character escape codes, aka escape sequences | 
 | 		"\t" => '\t',   # tab            (HT) | 
 | 		"\n" => '\n',   # line feed      (LF) | 
 | 		"\r" => '\r',   # carrige return (CR) | 
 | 		"\f" => '\f',   # form feed      (FF) | 
 | 		"\b" => '\b',   # backspace      (BS) | 
 | 		"\a" => '\a',   # alarm (bell)   (BEL) | 
 | 		"\e" => '\e',   # escape         (ESC) | 
 | 		"\013" => '\v', # vertical tab   (VT) | 
 | 		"\000" => '\0', # nul character  (NUL) | 
 | 	); | 
 | 	my $chr = ( (exists $es{$cntrl}) | 
 | 		    ? $es{$cntrl} | 
 | 		    : sprintf('\%2x', ord($cntrl)) ); | 
 | 	if ($opts{-nohtml}) { | 
 | 		return $chr; | 
 | 	} else { | 
 | 		return "<span class=\"cntrl\">$chr</span>"; | 
 | 	} | 
 | } | 
 |  | 
 | # Alternatively use unicode control pictures codepoints, | 
 | # Unicode "printable representation" (PR) | 
 | sub quot_upr { | 
 | 	my $cntrl = shift; | 
 | 	my %opts = @_; | 
 |  | 
 | 	my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl)); | 
 | 	if ($opts{-nohtml}) { | 
 | 		return $chr; | 
 | 	} else { | 
 | 		return "<span class=\"cntrl\">$chr</span>"; | 
 | 	} | 
 | } | 
 |  | 
 | # git may return quoted and escaped filenames | 
 | sub unquote { | 
 | 	my $str = shift; | 
 |  | 
 | 	sub unq { | 
 | 		my $seq = shift; | 
 | 		my %es = ( # character escape codes, aka escape sequences | 
 | 			't' => "\t",   # tab            (HT, TAB) | 
 | 			'n' => "\n",   # newline        (NL) | 
 | 			'r' => "\r",   # return         (CR) | 
 | 			'f' => "\f",   # form feed      (FF) | 
 | 			'b' => "\b",   # backspace      (BS) | 
 | 			'a' => "\a",   # alarm (bell)   (BEL) | 
 | 			'e' => "\e",   # escape         (ESC) | 
 | 			'v' => "\013", # vertical tab   (VT) | 
 | 		); | 
 |  | 
 | 		if ($seq =~ m/^[0-7]{1,3}$/) { | 
 | 			# octal char sequence | 
 | 			return chr(oct($seq)); | 
 | 		} elsif (exists $es{$seq}) { | 
 | 			# C escape sequence, aka character escape code | 
 | 			return $es{$seq}; | 
 | 		} | 
 | 		# quoted ordinary character | 
 | 		return $seq; | 
 | 	} | 
 |  | 
 | 	if ($str =~ m/^"(.*)"$/) { | 
 | 		# needs unquoting | 
 | 		$str = $1; | 
 | 		$str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg; | 
 | 	} | 
 | 	return $str; | 
 | } | 
 |  | 
 | # escape tabs (convert tabs to spaces) | 
 | sub untabify { | 
 | 	my $line = shift; | 
 |  | 
 | 	while ((my $pos = index($line, "\t")) != -1) { | 
 | 		if (my $count = (8 - ($pos % 8))) { | 
 | 			my $spaces = ' ' x $count; | 
 | 			$line =~ s/\t/$spaces/; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return $line; | 
 | } | 
 |  | 
 | sub project_in_list { | 
 | 	my $project = shift; | 
 | 	my @list = git_get_projects_list(); | 
 | 	return @list && scalar(grep { $_->{'path'} eq $project } @list); | 
 | } | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## HTML aware string manipulation | 
 |  | 
 | # Try to chop given string on a word boundary between position | 
 | # $len and $len+$add_len. If there is no word boundary there, | 
 | # chop at $len+$add_len. Do not chop if chopped part plus ellipsis | 
 | # (marking chopped part) would be longer than given string. | 
 | sub chop_str { | 
 | 	my $str = shift; | 
 | 	my $len = shift; | 
 | 	my $add_len = shift || 10; | 
 | 	my $where = shift || 'right'; # 'left' | 'center' | 'right' | 
 |  | 
 | 	# Make sure perl knows it is utf8 encoded so we don't | 
 | 	# cut in the middle of a utf8 multibyte char. | 
 | 	$str = to_utf8($str); | 
 |  | 
 | 	# allow only $len chars, but don't cut a word if it would fit in $add_len | 
 | 	# if it doesn't fit, cut it if it's still longer than the dots we would add | 
 | 	# remove chopped character entities entirely | 
 |  | 
 | 	# when chopping in the middle, distribute $len into left and right part | 
 | 	# return early if chopping wouldn't make string shorter | 
 | 	if ($where eq 'center') { | 
 | 		return $str if ($len + 5 >= length($str)); # filler is length 5 | 
 | 		$len = int($len/2); | 
 | 	} else { | 
 | 		return $str if ($len + 4 >= length($str)); # filler is length 4 | 
 | 	} | 
 |  | 
 | 	# regexps: ending and beginning with word part up to $add_len | 
 | 	my $endre = qr/.{$len}\w{0,$add_len}/; | 
 | 	my $begre = qr/\w{0,$add_len}.{$len}/; | 
 |  | 
 | 	if ($where eq 'left') { | 
 | 		$str =~ m/^(.*?)($begre)$/; | 
 | 		my ($lead, $body) = ($1, $2); | 
 | 		if (length($lead) > 4) { | 
 | 			$lead = " ..."; | 
 | 		} | 
 | 		return "$lead$body"; | 
 |  | 
 | 	} elsif ($where eq 'center') { | 
 | 		$str =~ m/^($endre)(.*)$/; | 
 | 		my ($left, $str)  = ($1, $2); | 
 | 		$str =~ m/^(.*?)($begre)$/; | 
 | 		my ($mid, $right) = ($1, $2); | 
 | 		if (length($mid) > 5) { | 
 | 			$mid = " ... "; | 
 | 		} | 
 | 		return "$left$mid$right"; | 
 |  | 
 | 	} else { | 
 | 		$str =~ m/^($endre)(.*)$/; | 
 | 		my $body = $1; | 
 | 		my $tail = $2; | 
 | 		if (length($tail) > 4) { | 
 | 			$tail = "... "; | 
 | 		} | 
 | 		return "$body$tail"; | 
 | 	} | 
 | } | 
 |  | 
 | # takes the same arguments as chop_str, but also wraps a <span> around the | 
 | # result with a title attribute if it does get chopped. Additionally, the | 
 | # string is HTML-escaped. | 
 | sub chop_and_escape_str { | 
 | 	my ($str) = @_; | 
 |  | 
 | 	my $chopped = chop_str(@_); | 
 | 	$str = to_utf8($str); | 
 | 	if ($chopped eq $str) { | 
 | 		return esc_html($chopped); | 
 | 	} else { | 
 | 		$str =~ s/[[:cntrl:]]/?/g; | 
 | 		return $cgi->span({-title=>$str}, esc_html($chopped)); | 
 | 	} | 
 | } | 
 |  | 
 | # Highlight selected fragments of string, using given CSS class, | 
 | # and escape HTML.  It is assumed that fragments do not overlap. | 
 | # Regions are passed as list of pairs (array references). | 
 | # | 
 | # Example: esc_html_hl_regions("foobar", "mark", [ 0, 3 ]) returns | 
 | # '<span class="mark">foo</span>bar' | 
 | sub esc_html_hl_regions { | 
 | 	my ($str, $css_class, @sel) = @_; | 
 | 	my %opts = grep { ref($_) ne 'ARRAY' } @sel; | 
 | 	@sel     = grep { ref($_) eq 'ARRAY' } @sel; | 
 | 	return esc_html($str, %opts) unless @sel; | 
 |  | 
 | 	my $out = ''; | 
 | 	my $pos = 0; | 
 |  | 
 | 	for my $s (@sel) { | 
 | 		my ($begin, $end) = @$s; | 
 |  | 
 | 		# Don't create empty <span> elements. | 
 | 		next if $end <= $begin; | 
 |  | 
 | 		my $escaped = esc_html(substr($str, $begin, $end - $begin), | 
 | 		                       %opts); | 
 |  | 
 | 		$out .= esc_html(substr($str, $pos, $begin - $pos), %opts) | 
 | 			if ($begin - $pos > 0); | 
 | 		$out .= $cgi->span({-class => $css_class}, $escaped); | 
 |  | 
 | 		$pos = $end; | 
 | 	} | 
 | 	$out .= esc_html(substr($str, $pos), %opts) | 
 | 		if ($pos < length($str)); | 
 |  | 
 | 	return $out; | 
 | } | 
 |  | 
 | # return positions of beginning and end of each match | 
 | sub matchpos_list { | 
 | 	my ($str, $regexp) = @_; | 
 | 	return unless (defined $str && defined $regexp); | 
 |  | 
 | 	my @matches; | 
 | 	while ($str =~ /$regexp/g) { | 
 | 		push @matches, [$-[0], $+[0]]; | 
 | 	} | 
 | 	return @matches; | 
 | } | 
 |  | 
 | # highlight match (if any), and escape HTML | 
 | sub esc_html_match_hl { | 
 | 	my ($str, $regexp) = @_; | 
 | 	return esc_html($str) unless defined $regexp; | 
 |  | 
 | 	my @matches = matchpos_list($str, $regexp); | 
 | 	return esc_html($str) unless @matches; | 
 |  | 
 | 	return esc_html_hl_regions($str, 'match', @matches); | 
 | } | 
 |  | 
 |  | 
 | # highlight match (if any) of shortened string, and escape HTML | 
 | sub esc_html_match_hl_chopped { | 
 | 	my ($str, $chopped, $regexp) = @_; | 
 | 	return esc_html_match_hl($str, $regexp) unless defined $chopped; | 
 |  | 
 | 	my @matches = matchpos_list($str, $regexp); | 
 | 	return esc_html($chopped) unless @matches; | 
 |  | 
 | 	# filter matches so that we mark chopped string | 
 | 	my $tail = "... "; # see chop_str | 
 | 	unless ($chopped =~ s/\Q$tail\E$//) { | 
 | 		$tail = ''; | 
 | 	} | 
 | 	my $chop_len = length($chopped); | 
 | 	my $tail_len = length($tail); | 
 | 	my @filtered; | 
 |  | 
 | 	for my $m (@matches) { | 
 | 		if ($m->[0] > $chop_len) { | 
 | 			push @filtered, [ $chop_len, $chop_len + $tail_len ] if ($tail_len > 0); | 
 | 			last; | 
 | 		} elsif ($m->[1] > $chop_len) { | 
 | 			push @filtered, [ $m->[0], $chop_len + $tail_len ]; | 
 | 			last; | 
 | 		} | 
 | 		push @filtered, $m; | 
 | 	} | 
 |  | 
 | 	return esc_html_hl_regions($chopped . $tail, 'match', @filtered); | 
 | } | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## functions returning short strings | 
 |  | 
 | # CSS class for given age value (in seconds) | 
 | sub age_class { | 
 | 	my $age = shift; | 
 |  | 
 | 	if (!defined $age) { | 
 | 		return "noage"; | 
 | 	} elsif ($age < 60*60*2) { | 
 | 		return "age0"; | 
 | 	} elsif ($age < 60*60*24*2) { | 
 | 		return "age1"; | 
 | 	} else { | 
 | 		return "age2"; | 
 | 	} | 
 | } | 
 |  | 
 | # convert age in seconds to "nn units ago" string | 
 | sub age_string { | 
 | 	my $age = shift; | 
 | 	my $age_str; | 
 |  | 
 | 	if ($age > 60*60*24*365*2) { | 
 | 		$age_str = (int $age/60/60/24/365); | 
 | 		$age_str .= " years ago"; | 
 | 	} elsif ($age > 60*60*24*(365/12)*2) { | 
 | 		$age_str = int $age/60/60/24/(365/12); | 
 | 		$age_str .= " months ago"; | 
 | 	} elsif ($age > 60*60*24*7*2) { | 
 | 		$age_str = int $age/60/60/24/7; | 
 | 		$age_str .= " weeks ago"; | 
 | 	} elsif ($age > 60*60*24*2) { | 
 | 		$age_str = int $age/60/60/24; | 
 | 		$age_str .= " days ago"; | 
 | 	} elsif ($age > 60*60*2) { | 
 | 		$age_str = int $age/60/60; | 
 | 		$age_str .= " hours ago"; | 
 | 	} elsif ($age > 60*2) { | 
 | 		$age_str = int $age/60; | 
 | 		$age_str .= " min ago"; | 
 | 	} elsif ($age > 2) { | 
 | 		$age_str = int $age; | 
 | 		$age_str .= " sec ago"; | 
 | 	} else { | 
 | 		$age_str .= " right now"; | 
 | 	} | 
 | 	return $age_str; | 
 | } | 
 |  | 
 | use constant { | 
 | 	S_IFINVALID => 0030000, | 
 | 	S_IFGITLINK => 0160000, | 
 | }; | 
 |  | 
 | # submodule/subproject, a commit object reference | 
 | sub S_ISGITLINK { | 
 | 	my $mode = shift; | 
 |  | 
 | 	return (($mode & S_IFMT) == S_IFGITLINK) | 
 | } | 
 |  | 
 | # convert file mode in octal to symbolic file mode string | 
 | sub mode_str { | 
 | 	my $mode = oct shift; | 
 |  | 
 | 	if (S_ISGITLINK($mode)) { | 
 | 		return 'm---------'; | 
 | 	} elsif (S_ISDIR($mode & S_IFMT)) { | 
 | 		return 'drwxr-xr-x'; | 
 | 	} elsif (S_ISLNK($mode)) { | 
 | 		return 'lrwxrwxrwx'; | 
 | 	} elsif (S_ISREG($mode)) { | 
 | 		# git cares only about the executable bit | 
 | 		if ($mode & S_IXUSR) { | 
 | 			return '-rwxr-xr-x'; | 
 | 		} else { | 
 | 			return '-rw-r--r--'; | 
 | 		}; | 
 | 	} else { | 
 | 		return '----------'; | 
 | 	} | 
 | } | 
 |  | 
 | # convert file mode in octal to file type string | 
 | sub file_type { | 
 | 	my $mode = shift; | 
 |  | 
 | 	if ($mode !~ m/^[0-7]+$/) { | 
 | 		return $mode; | 
 | 	} else { | 
 | 		$mode = oct $mode; | 
 | 	} | 
 |  | 
 | 	if (S_ISGITLINK($mode)) { | 
 | 		return "submodule"; | 
 | 	} elsif (S_ISDIR($mode & S_IFMT)) { | 
 | 		return "directory"; | 
 | 	} elsif (S_ISLNK($mode)) { | 
 | 		return "symlink"; | 
 | 	} elsif (S_ISREG($mode)) { | 
 | 		return "file"; | 
 | 	} else { | 
 | 		return "unknown"; | 
 | 	} | 
 | } | 
 |  | 
 | # convert file mode in octal to file type description string | 
 | sub file_type_long { | 
 | 	my $mode = shift; | 
 |  | 
 | 	if ($mode !~ m/^[0-7]+$/) { | 
 | 		return $mode; | 
 | 	} else { | 
 | 		$mode = oct $mode; | 
 | 	} | 
 |  | 
 | 	if (S_ISGITLINK($mode)) { | 
 | 		return "submodule"; | 
 | 	} elsif (S_ISDIR($mode & S_IFMT)) { | 
 | 		return "directory"; | 
 | 	} elsif (S_ISLNK($mode)) { | 
 | 		return "symlink"; | 
 | 	} elsif (S_ISREG($mode)) { | 
 | 		if ($mode & S_IXUSR) { | 
 | 			return "executable"; | 
 | 		} else { | 
 | 			return "file"; | 
 | 		}; | 
 | 	} else { | 
 | 		return "unknown"; | 
 | 	} | 
 | } | 
 |  | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## functions returning short HTML fragments, or transforming HTML fragments | 
 | ## which don't belong to other sections | 
 |  | 
 | # format line of commit message. | 
 | sub format_log_line_html { | 
 | 	my $line = shift; | 
 |  | 
 | 	$line = esc_html($line, -nbsp=>1); | 
 | 	$line =~ s{\b([0-9a-fA-F]{8,40})\b}{ | 
 | 		$cgi->a({-href => href(action=>"object", hash=>$1), | 
 | 					-class => "text"}, $1); | 
 | 	}eg; | 
 |  | 
 | 	return $line; | 
 | } | 
 |  | 
 | # format marker of refs pointing to given object | 
 |  | 
 | # the destination action is chosen based on object type and current context: | 
 | # - for annotated tags, we choose the tag view unless it's the current view | 
 | #   already, in which case we go to shortlog view | 
 | # - for other refs, we keep the current view if we're in history, shortlog or | 
 | #   log view, and select shortlog otherwise | 
 | sub format_ref_marker { | 
 | 	my ($refs, $id) = @_; | 
 | 	my $markers = ''; | 
 |  | 
 | 	if (defined $refs->{$id}) { | 
 | 		foreach my $ref (@{$refs->{$id}}) { | 
 | 			# this code exploits the fact that non-lightweight tags are the | 
 | 			# only indirect objects, and that they are the only objects for which | 
 | 			# we want to use tag instead of shortlog as action | 
 | 			my ($type, $name) = qw(); | 
 | 			my $indirect = ($ref =~ s/\^\{\}$//); | 
 | 			# e.g. tags/v2.6.11 or heads/next | 
 | 			if ($ref =~ m!^(.*?)s?/(.*)$!) { | 
 | 				$type = $1; | 
 | 				$name = $2; | 
 | 			} else { | 
 | 				$type = "ref"; | 
 | 				$name = $ref; | 
 | 			} | 
 |  | 
 | 			my $class = $type; | 
 | 			$class .= " indirect" if $indirect; | 
 |  | 
 | 			my $dest_action = "shortlog"; | 
 |  | 
 | 			if ($indirect) { | 
 | 				$dest_action = "tag" unless $action eq "tag"; | 
 | 			} elsif ($action =~ /^(history|(short)?log)$/) { | 
 | 				$dest_action = $action; | 
 | 			} | 
 |  | 
 | 			my $dest = ""; | 
 | 			$dest .= "refs/" unless $ref =~ m!^refs/!; | 
 | 			$dest .= $ref; | 
 |  | 
 | 			my $link = $cgi->a({ | 
 | 				-href => href( | 
 | 					action=>$dest_action, | 
 | 					hash=>$dest | 
 | 				)}, $name); | 
 |  | 
 | 			$markers .= " <span class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" . | 
 | 				$link . "</span>"; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if ($markers) { | 
 | 		return ' <span class="refs">'. $markers . '</span>'; | 
 | 	} else { | 
 | 		return ""; | 
 | 	} | 
 | } | 
 |  | 
 | # format, perhaps shortened and with markers, title line | 
 | sub format_subject_html { | 
 | 	my ($long, $short, $href, $extra) = @_; | 
 | 	$extra = '' unless defined($extra); | 
 |  | 
 | 	if (length($short) < length($long)) { | 
 | 		$long =~ s/[[:cntrl:]]/?/g; | 
 | 		return $cgi->a({-href => $href, -class => "list subject", | 
 | 		                -title => to_utf8($long)}, | 
 | 		       esc_html($short)) . $extra; | 
 | 	} else { | 
 | 		return $cgi->a({-href => $href, -class => "list subject"}, | 
 | 		       esc_html($long)) . $extra; | 
 | 	} | 
 | } | 
 |  | 
 | # Rather than recomputing the url for an email multiple times, we cache it | 
 | # after the first hit. This gives a visible benefit in views where the avatar | 
 | # for the same email is used repeatedly (e.g. shortlog). | 
 | # The cache is shared by all avatar engines (currently gravatar only), which | 
 | # are free to use it as preferred. Since only one avatar engine is used for any | 
 | # given page, there's no risk for cache conflicts. | 
 | our %avatar_cache = (); | 
 |  | 
 | # Compute the picon url for a given email, by using the picon search service over at | 
 | # http://www.cs.indiana.edu/picons/search.html | 
 | sub picon_url { | 
 | 	my $email = lc shift; | 
 | 	if (!$avatar_cache{$email}) { | 
 | 		my ($user, $domain) = split('@', $email); | 
 | 		$avatar_cache{$email} = | 
 | 			"//www.cs.indiana.edu/cgi-pub/kinzler/piconsearch.cgi/" . | 
 | 			"$domain/$user/" . | 
 | 			"users+domains+unknown/up/single"; | 
 | 	} | 
 | 	return $avatar_cache{$email}; | 
 | } | 
 |  | 
 | # Compute the gravatar url for a given email, if it's not in the cache already. | 
 | # Gravatar stores only the part of the URL before the size, since that's the | 
 | # one computationally more expensive. This also allows reuse of the cache for | 
 | # different sizes (for this particular engine). | 
 | sub gravatar_url { | 
 | 	my $email = lc shift; | 
 | 	my $size = shift; | 
 | 	$avatar_cache{$email} ||= | 
 | 		"//www.gravatar.com/avatar/" . | 
 | 			Digest::MD5::md5_hex($email) . "?s="; | 
 | 	return $avatar_cache{$email} . $size; | 
 | } | 
 |  | 
 | # Insert an avatar for the given $email at the given $size if the feature | 
 | # is enabled. | 
 | sub git_get_avatar { | 
 | 	my ($email, %opts) = @_; | 
 | 	my $pre_white  = ($opts{-pad_before} ? " " : ""); | 
 | 	my $post_white = ($opts{-pad_after}  ? " " : ""); | 
 | 	$opts{-size} ||= 'default'; | 
 | 	my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'}; | 
 | 	my $url = ""; | 
 | 	if ($git_avatar eq 'gravatar') { | 
 | 		$url = gravatar_url($email, $size); | 
 | 	} elsif ($git_avatar eq 'picon') { | 
 | 		$url = picon_url($email); | 
 | 	} | 
 | 	# Other providers can be added by extending the if chain, defining $url | 
 | 	# as needed. If no variant puts something in $url, we assume avatars | 
 | 	# are completely disabled/unavailable. | 
 | 	if ($url) { | 
 | 		return $pre_white . | 
 | 		       "<img width=\"$size\" " . | 
 | 		            "class=\"avatar\" " . | 
 | 		            "src=\"".esc_url($url)."\" " . | 
 | 			    "alt=\"\" " . | 
 | 		       "/>" . $post_white; | 
 | 	} else { | 
 | 		return ""; | 
 | 	} | 
 | } | 
 |  | 
 | sub format_search_author { | 
 | 	my ($author, $searchtype, $displaytext) = @_; | 
 | 	my $have_search = gitweb_check_feature('search'); | 
 |  | 
 | 	if ($have_search) { | 
 | 		my $performed = ""; | 
 | 		if ($searchtype eq 'author') { | 
 | 			$performed = "authored"; | 
 | 		} elsif ($searchtype eq 'committer') { | 
 | 			$performed = "committed"; | 
 | 		} | 
 |  | 
 | 		return $cgi->a({-href => href(action=>"search", hash=>$hash, | 
 | 				searchtext=>$author, | 
 | 				searchtype=>$searchtype), class=>"list", | 
 | 				title=>"Search for commits $performed by $author"}, | 
 | 				$displaytext); | 
 |  | 
 | 	} else { | 
 | 		return $displaytext; | 
 | 	} | 
 | } | 
 |  | 
 | # format the author name of the given commit with the given tag | 
 | # the author name is chopped and escaped according to the other | 
 | # optional parameters (see chop_str). | 
 | sub format_author_html { | 
 | 	my $tag = shift; | 
 | 	my $co = shift; | 
 | 	my $author = chop_and_escape_str($co->{'author_name'}, @_); | 
 | 	return "<$tag class=\"author\">" . | 
 | 	       format_search_author($co->{'author_name'}, "author", | 
 | 		       git_get_avatar($co->{'author_email'}, -pad_after => 1) . | 
 | 		       $author) . | 
 | 	       "</$tag>"; | 
 | } | 
 |  | 
 | # format git diff header line, i.e. "diff --(git|combined|cc) ..." | 
 | sub format_git_diff_header_line { | 
 | 	my $line = shift; | 
 | 	my $diffinfo = shift; | 
 | 	my ($from, $to) = @_; | 
 |  | 
 | 	if ($diffinfo->{'nparents'}) { | 
 | 		# combined diff | 
 | 		$line =~ s!^(diff (.*?) )"?.*$!$1!; | 
 | 		if ($to->{'href'}) { | 
 | 			$line .= $cgi->a({-href => $to->{'href'}, -class => "path"}, | 
 | 			                 esc_path($to->{'file'})); | 
 | 		} else { # file was deleted (no href) | 
 | 			$line .= esc_path($to->{'file'}); | 
 | 		} | 
 | 	} else { | 
 | 		# "ordinary" diff | 
 | 		$line =~ s!^(diff (.*?) )"?a/.*$!$1!; | 
 | 		if ($from->{'href'}) { | 
 | 			$line .= $cgi->a({-href => $from->{'href'}, -class => "path"}, | 
 | 			                 'a/' . esc_path($from->{'file'})); | 
 | 		} else { # file was added (no href) | 
 | 			$line .= 'a/' . esc_path($from->{'file'}); | 
 | 		} | 
 | 		$line .= ' '; | 
 | 		if ($to->{'href'}) { | 
 | 			$line .= $cgi->a({-href => $to->{'href'}, -class => "path"}, | 
 | 			                 'b/' . esc_path($to->{'file'})); | 
 | 		} else { # file was deleted | 
 | 			$line .= 'b/' . esc_path($to->{'file'}); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return "<div class=\"diff header\">$line</div>\n"; | 
 | } | 
 |  | 
 | # format extended diff header line, before patch itself | 
 | sub format_extended_diff_header_line { | 
 | 	my $line = shift; | 
 | 	my $diffinfo = shift; | 
 | 	my ($from, $to) = @_; | 
 |  | 
 | 	# match <path> | 
 | 	if ($line =~ s!^((copy|rename) from ).*$!$1! && $from->{'href'}) { | 
 | 		$line .= $cgi->a({-href=>$from->{'href'}, -class=>"path"}, | 
 | 		                       esc_path($from->{'file'})); | 
 | 	} | 
 | 	if ($line =~ s!^((copy|rename) to ).*$!$1! && $to->{'href'}) { | 
 | 		$line .= $cgi->a({-href=>$to->{'href'}, -class=>"path"}, | 
 | 		                 esc_path($to->{'file'})); | 
 | 	} | 
 | 	# match single <mode> | 
 | 	if ($line =~ m/\s(\d{6})$/) { | 
 | 		$line .= '<span class="info"> (' . | 
 | 		         file_type_long($1) . | 
 | 		         ')</span>'; | 
 | 	} | 
 | 	# match <hash> | 
 | 	if ($line =~ m/^index [0-9a-fA-F]{40},[0-9a-fA-F]{40}/) { | 
 | 		# can match only for combined diff | 
 | 		$line = 'index '; | 
 | 		for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) { | 
 | 			if ($from->{'href'}[$i]) { | 
 | 				$line .= $cgi->a({-href=>$from->{'href'}[$i], | 
 | 				                  -class=>"hash"}, | 
 | 				                 substr($diffinfo->{'from_id'}[$i],0,7)); | 
 | 			} else { | 
 | 				$line .= '0' x 7; | 
 | 			} | 
 | 			# separator | 
 | 			$line .= ',' if ($i < $diffinfo->{'nparents'} - 1); | 
 | 		} | 
 | 		$line .= '..'; | 
 | 		if ($to->{'href'}) { | 
 | 			$line .= $cgi->a({-href=>$to->{'href'}, -class=>"hash"}, | 
 | 			                 substr($diffinfo->{'to_id'},0,7)); | 
 | 		} else { | 
 | 			$line .= '0' x 7; | 
 | 		} | 
 |  | 
 | 	} elsif ($line =~ m/^index [0-9a-fA-F]{40}..[0-9a-fA-F]{40}/) { | 
 | 		# can match only for ordinary diff | 
 | 		my ($from_link, $to_link); | 
 | 		if ($from->{'href'}) { | 
 | 			$from_link = $cgi->a({-href=>$from->{'href'}, -class=>"hash"}, | 
 | 			                     substr($diffinfo->{'from_id'},0,7)); | 
 | 		} else { | 
 | 			$from_link = '0' x 7; | 
 | 		} | 
 | 		if ($to->{'href'}) { | 
 | 			$to_link = $cgi->a({-href=>$to->{'href'}, -class=>"hash"}, | 
 | 			                   substr($diffinfo->{'to_id'},0,7)); | 
 | 		} else { | 
 | 			$to_link = '0' x 7; | 
 | 		} | 
 | 		my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'}); | 
 | 		$line =~ s!$from_id\.\.$to_id!$from_link..$to_link!; | 
 | 	} | 
 |  | 
 | 	return $line . "<br/>\n"; | 
 | } | 
 |  | 
 | # format from-file/to-file diff header | 
 | sub format_diff_from_to_header { | 
 | 	my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_; | 
 | 	my $line; | 
 | 	my $result = ''; | 
 |  | 
 | 	$line = $from_line; | 
 | 	#assert($line =~ m/^---/) if DEBUG; | 
 | 	# no extra formatting for "^--- /dev/null" | 
 | 	if (! $diffinfo->{'nparents'}) { | 
 | 		# ordinary (single parent) diff | 
 | 		if ($line =~ m!^--- "?a/!) { | 
 | 			if ($from->{'href'}) { | 
 | 				$line = '--- a/' . | 
 | 				        $cgi->a({-href=>$from->{'href'}, -class=>"path"}, | 
 | 				                esc_path($from->{'file'})); | 
 | 			} else { | 
 | 				$line = '--- a/' . | 
 | 				        esc_path($from->{'file'}); | 
 | 			} | 
 | 		} | 
 | 		$result .= qq!<div class="diff from_file">$line</div>\n!; | 
 |  | 
 | 	} else { | 
 | 		# combined diff (merge commit) | 
 | 		for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) { | 
 | 			if ($from->{'href'}[$i]) { | 
 | 				$line = '--- ' . | 
 | 				        $cgi->a({-href=>href(action=>"blobdiff", | 
 | 				                             hash_parent=>$diffinfo->{'from_id'}[$i], | 
 | 				                             hash_parent_base=>$parents[$i], | 
 | 				                             file_parent=>$from->{'file'}[$i], | 
 | 				                             hash=>$diffinfo->{'to_id'}, | 
 | 				                             hash_base=>$hash, | 
 | 				                             file_name=>$to->{'file'}), | 
 | 				                 -class=>"path", | 
 | 				                 -title=>"diff" . ($i+1)}, | 
 | 				                $i+1) . | 
 | 				        '/' . | 
 | 				        $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"}, | 
 | 				                esc_path($from->{'file'}[$i])); | 
 | 			} else { | 
 | 				$line = '--- /dev/null'; | 
 | 			} | 
 | 			$result .= qq!<div class="diff from_file">$line</div>\n!; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	$line = $to_line; | 
 | 	#assert($line =~ m/^\+\+\+/) if DEBUG; | 
 | 	# no extra formatting for "^+++ /dev/null" | 
 | 	if ($line =~ m!^\+\+\+ "?b/!) { | 
 | 		if ($to->{'href'}) { | 
 | 			$line = '+++ b/' . | 
 | 			        $cgi->a({-href=>$to->{'href'}, -class=>"path"}, | 
 | 			                esc_path($to->{'file'})); | 
 | 		} else { | 
 | 			$line = '+++ b/' . | 
 | 			        esc_path($to->{'file'}); | 
 | 		} | 
 | 	} | 
 | 	$result .= qq!<div class="diff to_file">$line</div>\n!; | 
 |  | 
 | 	return $result; | 
 | } | 
 |  | 
 | # create note for patch simplified by combined diff | 
 | sub format_diff_cc_simplified { | 
 | 	my ($diffinfo, @parents) = @_; | 
 | 	my $result = ''; | 
 |  | 
 | 	$result .= "<div class=\"diff header\">" . | 
 | 	           "diff --cc "; | 
 | 	if (!is_deleted($diffinfo)) { | 
 | 		$result .= $cgi->a({-href => href(action=>"blob", | 
 | 		                                  hash_base=>$hash, | 
 | 		                                  hash=>$diffinfo->{'to_id'}, | 
 | 		                                  file_name=>$diffinfo->{'to_file'}), | 
 | 		                    -class => "path"}, | 
 | 		                   esc_path($diffinfo->{'to_file'})); | 
 | 	} else { | 
 | 		$result .= esc_path($diffinfo->{'to_file'}); | 
 | 	} | 
 | 	$result .= "</div>\n" . # class="diff header" | 
 | 	           "<div class=\"diff nodifferences\">" . | 
 | 	           "Simple merge" . | 
 | 	           "</div>\n"; # class="diff nodifferences" | 
 |  | 
 | 	return $result; | 
 | } | 
 |  | 
 | sub diff_line_class { | 
 | 	my ($line, $from, $to) = @_; | 
 |  | 
 | 	# ordinary diff | 
 | 	my $num_sign = 1; | 
 | 	# combined diff | 
 | 	if ($from && $to && ref($from->{'href'}) eq "ARRAY") { | 
 | 		$num_sign = scalar @{$from->{'href'}}; | 
 | 	} | 
 |  | 
 | 	my @diff_line_classifier = ( | 
 | 		{ regexp => qr/^\@\@{$num_sign} /, class => "chunk_header"}, | 
 | 		{ regexp => qr/^\\/,               class => "incomplete"  }, | 
 | 		{ regexp => qr/^ {$num_sign}/,     class => "ctx" }, | 
 | 		# classifier for context must come before classifier add/rem, | 
 | 		# or we would have to use more complicated regexp, for example | 
 | 		# qr/(?= {0,$m}\+)[+ ]{$num_sign}/, where $m = $num_sign - 1; | 
 | 		{ regexp => qr/^[+ ]{$num_sign}/,   class => "add" }, | 
 | 		{ regexp => qr/^[- ]{$num_sign}/,   class => "rem" }, | 
 | 	); | 
 | 	for my $clsfy (@diff_line_classifier) { | 
 | 		return $clsfy->{'class'} | 
 | 			if ($line =~ $clsfy->{'regexp'}); | 
 | 	} | 
 |  | 
 | 	# fallback | 
 | 	return ""; | 
 | } | 
 |  | 
 | # assumes that $from and $to are defined and correctly filled, | 
 | # and that $line holds a line of chunk header for unified diff | 
 | sub format_unidiff_chunk_header { | 
 | 	my ($line, $from, $to) = @_; | 
 |  | 
 | 	my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) = | 
 | 		$line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/; | 
 |  | 
 | 	$from_lines = 0 unless defined $from_lines; | 
 | 	$to_lines   = 0 unless defined $to_lines; | 
 |  | 
 | 	if ($from->{'href'}) { | 
 | 		$from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start", | 
 | 		                     -class=>"list"}, $from_text); | 
 | 	} | 
 | 	if ($to->{'href'}) { | 
 | 		$to_text   = $cgi->a({-href=>"$to->{'href'}#l$to_start", | 
 | 		                     -class=>"list"}, $to_text); | 
 | 	} | 
 | 	$line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" . | 
 | 	        "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>"; | 
 | 	return $line; | 
 | } | 
 |  | 
 | # assumes that $from and $to are defined and correctly filled, | 
 | # and that $line holds a line of chunk header for combined diff | 
 | sub format_cc_diff_chunk_header { | 
 | 	my ($line, $from, $to) = @_; | 
 |  | 
 | 	my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/; | 
 | 	my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines); | 
 |  | 
 | 	@from_text = split(' ', $ranges); | 
 | 	for (my $i = 0; $i < @from_text; ++$i) { | 
 | 		($from_start[$i], $from_nlines[$i]) = | 
 | 			(split(',', substr($from_text[$i], 1)), 0); | 
 | 	} | 
 |  | 
 | 	$to_text   = pop @from_text; | 
 | 	$to_start  = pop @from_start; | 
 | 	$to_nlines = pop @from_nlines; | 
 |  | 
 | 	$line = "<span class=\"chunk_info\">$prefix "; | 
 | 	for (my $i = 0; $i < @from_text; ++$i) { | 
 | 		if ($from->{'href'}[$i]) { | 
 | 			$line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]", | 
 | 			                  -class=>"list"}, $from_text[$i]); | 
 | 		} else { | 
 | 			$line .= $from_text[$i]; | 
 | 		} | 
 | 		$line .= " "; | 
 | 	} | 
 | 	if ($to->{'href'}) { | 
 | 		$line .= $cgi->a({-href=>"$to->{'href'}#l$to_start", | 
 | 		                  -class=>"list"}, $to_text); | 
 | 	} else { | 
 | 		$line .= $to_text; | 
 | 	} | 
 | 	$line .= " $prefix</span>" . | 
 | 	         "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>"; | 
 | 	return $line; | 
 | } | 
 |  | 
 | # process patch (diff) line (not to be used for diff headers), | 
 | # returning HTML-formatted (but not wrapped) line. | 
 | # If the line is passed as a reference, it is treated as HTML and not | 
 | # esc_html()'ed. | 
 | sub format_diff_line { | 
 | 	my ($line, $diff_class, $from, $to) = @_; | 
 |  | 
 | 	if (ref($line)) { | 
 | 		$line = $$line; | 
 | 	} else { | 
 | 		chomp $line; | 
 | 		$line = untabify($line); | 
 |  | 
 | 		if ($from && $to && $line =~ m/^\@{2} /) { | 
 | 			$line = format_unidiff_chunk_header($line, $from, $to); | 
 | 		} elsif ($from && $to && $line =~ m/^\@{3}/) { | 
 | 			$line = format_cc_diff_chunk_header($line, $from, $to); | 
 | 		} else { | 
 | 			$line = esc_html($line, -nbsp=>1); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	my $diff_classes = "diff"; | 
 | 	$diff_classes .= " $diff_class" if ($diff_class); | 
 | 	$line = "<div class=\"$diff_classes\">$line</div>\n"; | 
 |  | 
 | 	return $line; | 
 | } | 
 |  | 
 | # Generates undef or something like "_snapshot_" or "snapshot (_tbz2_ _zip_)", | 
 | # linked.  Pass the hash of the tree/commit to snapshot. | 
 | sub format_snapshot_links { | 
 | 	my ($hash) = @_; | 
 | 	my $num_fmts = @snapshot_fmts; | 
 | 	if ($num_fmts > 1) { | 
 | 		# A parenthesized list of links bearing format names. | 
 | 		# e.g. "snapshot (_tar.gz_ _zip_)" | 
 | 		return "snapshot (" . join(' ', map | 
 | 			$cgi->a({ | 
 | 				-href => href( | 
 | 					action=>"snapshot", | 
 | 					hash=>$hash, | 
 | 					snapshot_format=>$_ | 
 | 				) | 
 | 			}, $known_snapshot_formats{$_}{'display'}) | 
 | 		, @snapshot_fmts) . ")"; | 
 | 	} elsif ($num_fmts == 1) { | 
 | 		# A single "snapshot" link whose tooltip bears the format name. | 
 | 		# i.e. "_snapshot_" | 
 | 		my ($fmt) = @snapshot_fmts; | 
 | 		return | 
 | 			$cgi->a({ | 
 | 				-href => href( | 
 | 					action=>"snapshot", | 
 | 					hash=>$hash, | 
 | 					snapshot_format=>$fmt | 
 | 				), | 
 | 				-title => "in format: $known_snapshot_formats{$fmt}{'display'}" | 
 | 			}, "snapshot"); | 
 | 	} else { # $num_fmts == 0 | 
 | 		return undef; | 
 | 	} | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## functions returning values to be passed, perhaps after some | 
 | ## transformation, to other functions; e.g. returning arguments to href() | 
 |  | 
 | # returns hash to be passed to href to generate gitweb URL | 
 | # in -title key it returns description of link | 
 | sub get_feed_info { | 
 | 	my $format = shift || 'Atom'; | 
 | 	my %res = (action => lc($format)); | 
 |  | 
 | 	# feed links are possible only for project views | 
 | 	return unless (defined $project); | 
 | 	# some views should link to OPML, or to generic project feed, | 
 | 	# or don't have specific feed yet (so they should use generic) | 
 | 	return if (!$action || $action =~ /^(?:tags|heads|forks|tag|search)$/x); | 
 |  | 
 | 	my $branch; | 
 | 	# branches refs uses 'refs/heads/' prefix (fullname) to differentiate | 
 | 	# from tag links; this also makes possible to detect branch links | 
 | 	if ((defined $hash_base && $hash_base =~ m!^refs/heads/(.*)$!) || | 
 | 	    (defined $hash      && $hash      =~ m!^refs/heads/(.*)$!)) { | 
 | 		$branch = $1; | 
 | 	} | 
 | 	# find log type for feed description (title) | 
 | 	my $type = 'log'; | 
 | 	if (defined $file_name) { | 
 | 		$type  = "history of $file_name"; | 
 | 		$type .= "/" if ($action eq 'tree'); | 
 | 		$type .= " on '$branch'" if (defined $branch); | 
 | 	} else { | 
 | 		$type = "log of $branch" if (defined $branch); | 
 | 	} | 
 |  | 
 | 	$res{-title} = $type; | 
 | 	$res{'hash'} = (defined $branch ? "refs/heads/$branch" : undef); | 
 | 	$res{'file_name'} = $file_name; | 
 |  | 
 | 	return %res; | 
 | } | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## git utility subroutines, invoking git commands | 
 |  | 
 | # returns path to the core git executable and the --git-dir parameter as list | 
 | sub git_cmd { | 
 | 	$number_of_git_cmds++; | 
 | 	return $GIT, '--git-dir='.$git_dir; | 
 | } | 
 |  | 
 | # quote the given arguments for passing them to the shell | 
 | # quote_command("command", "arg 1", "arg with ' and ! characters") | 
 | # => "'command' 'arg 1' 'arg with '\'' and '\!' characters'" | 
 | # Try to avoid using this function wherever possible. | 
 | sub quote_command { | 
 | 	return join(' ', | 
 | 		map { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ ); | 
 | } | 
 |  | 
 | # get HEAD ref of given project as hash | 
 | sub git_get_head_hash { | 
 | 	return git_get_full_hash(shift, 'HEAD'); | 
 | } | 
 |  | 
 | sub git_get_full_hash { | 
 | 	return git_get_hash(@_); | 
 | } | 
 |  | 
 | sub git_get_short_hash { | 
 | 	return git_get_hash(@_, '--short=7'); | 
 | } | 
 |  | 
 | sub git_get_hash { | 
 | 	my ($project, $hash, @options) = @_; | 
 | 	my $o_git_dir = $git_dir; | 
 | 	my $retval = undef; | 
 | 	$git_dir = "$projectroot/$project"; | 
 | 	if (open my $fd, '-|', git_cmd(), 'rev-parse', | 
 | 	    '--verify', '-q', @options, $hash) { | 
 | 		$retval = <$fd>; | 
 | 		chomp $retval if defined $retval; | 
 | 		close $fd; | 
 | 	} | 
 | 	if (defined $o_git_dir) { | 
 | 		$git_dir = $o_git_dir; | 
 | 	} | 
 | 	return $retval; | 
 | } | 
 |  | 
 | # get type of given object | 
 | sub git_get_type { | 
 | 	my $hash = shift; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return; | 
 | 	my $type = <$fd>; | 
 | 	close $fd or return; | 
 | 	chomp $type; | 
 | 	return $type; | 
 | } | 
 |  | 
 | # repository configuration | 
 | our $config_file = ''; | 
 | our %config; | 
 |  | 
 | # store multiple values for single key as anonymous array reference | 
 | # single values stored directly in the hash, not as [ <value> ] | 
 | sub hash_set_multi { | 
 | 	my ($hash, $key, $value) = @_; | 
 |  | 
 | 	if (!exists $hash->{$key}) { | 
 | 		$hash->{$key} = $value; | 
 | 	} elsif (!ref $hash->{$key}) { | 
 | 		$hash->{$key} = [ $hash->{$key}, $value ]; | 
 | 	} else { | 
 | 		push @{$hash->{$key}}, $value; | 
 | 	} | 
 | } | 
 |  | 
 | # return hash of git project configuration | 
 | # optionally limited to some section, e.g. 'gitweb' | 
 | sub git_parse_project_config { | 
 | 	my $section_regexp = shift; | 
 | 	my %config; | 
 |  | 
 | 	local $/ = "\0"; | 
 |  | 
 | 	open my $fh, "-|", git_cmd(), "config", '-z', '-l', | 
 | 		or return; | 
 |  | 
 | 	while (my $keyval = <$fh>) { | 
 | 		chomp $keyval; | 
 | 		my ($key, $value) = split(/\n/, $keyval, 2); | 
 |  | 
 | 		hash_set_multi(\%config, $key, $value) | 
 | 			if (!defined $section_regexp || $key =~ /^(?:$section_regexp)\./o); | 
 | 	} | 
 | 	close $fh; | 
 |  | 
 | 	return %config; | 
 | } | 
 |  | 
 | # convert config value to boolean: 'true' or 'false' | 
 | # no value, number > 0, 'true' and 'yes' values are true | 
 | # rest of values are treated as false (never as error) | 
 | sub config_to_bool { | 
 | 	my $val = shift; | 
 |  | 
 | 	return 1 if !defined $val;             # section.key | 
 |  | 
 | 	# strip leading and trailing whitespace | 
 | 	$val =~ s/^\s+//; | 
 | 	$val =~ s/\s+$//; | 
 |  | 
 | 	return (($val =~ /^\d+$/ && $val) ||   # section.key = 1 | 
 | 	        ($val =~ /^(?:true|yes)$/i));  # section.key = true | 
 | } | 
 |  | 
 | # convert config value to simple decimal number | 
 | # an optional value suffix of 'k', 'm', or 'g' will cause the value | 
 | # to be multiplied by 1024, 1048576, or 1073741824 | 
 | sub config_to_int { | 
 | 	my $val = shift; | 
 |  | 
 | 	# strip leading and trailing whitespace | 
 | 	$val =~ s/^\s+//; | 
 | 	$val =~ s/\s+$//; | 
 |  | 
 | 	if (my ($num, $unit) = ($val =~ /^([0-9]*)([kmg])$/i)) { | 
 | 		$unit = lc($unit); | 
 | 		# unknown unit is treated as 1 | 
 | 		return $num * ($unit eq 'g' ? 1073741824 : | 
 | 		               $unit eq 'm' ?    1048576 : | 
 | 		               $unit eq 'k' ?       1024 : 1); | 
 | 	} | 
 | 	return $val; | 
 | } | 
 |  | 
 | # convert config value to array reference, if needed | 
 | sub config_to_multi { | 
 | 	my $val = shift; | 
 |  | 
 | 	return ref($val) ? $val : (defined($val) ? [ $val ] : []); | 
 | } | 
 |  | 
 | sub git_get_project_config { | 
 | 	my ($key, $type) = @_; | 
 |  | 
 | 	return unless defined $git_dir; | 
 |  | 
 | 	# key sanity check | 
 | 	return unless ($key); | 
 | 	# only subsection, if exists, is case sensitive, | 
 | 	# and not lowercased by 'git config -z -l' | 
 | 	if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) { | 
 | 		$lo =~ s/_//g; | 
 | 		$key = join(".", lc($hi), $mi, lc($lo)); | 
 | 		return if ($lo =~ /\W/ || $hi =~ /\W/); | 
 | 	} else { | 
 | 		$key = lc($key); | 
 | 		$key =~ s/_//g; | 
 | 		return if ($key =~ /\W/); | 
 | 	} | 
 | 	$key =~ s/^gitweb\.//; | 
 |  | 
 | 	# type sanity check | 
 | 	if (defined $type) { | 
 | 		$type =~ s/^--//; | 
 | 		$type = undef | 
 | 			unless ($type eq 'bool' || $type eq 'int'); | 
 | 	} | 
 |  | 
 | 	# get config | 
 | 	if (!defined $config_file || | 
 | 	    $config_file ne "$git_dir/config") { | 
 | 		%config = git_parse_project_config('gitweb'); | 
 | 		$config_file = "$git_dir/config"; | 
 | 	} | 
 |  | 
 | 	# check if config variable (key) exists | 
 | 	return unless exists $config{"gitweb.$key"}; | 
 |  | 
 | 	# ensure given type | 
 | 	if (!defined $type) { | 
 | 		return $config{"gitweb.$key"}; | 
 | 	} elsif ($type eq 'bool') { | 
 | 		# backward compatibility: 'git config --bool' returns true/false | 
 | 		return config_to_bool($config{"gitweb.$key"}) ? 'true' : 'false'; | 
 | 	} elsif ($type eq 'int') { | 
 | 		return config_to_int($config{"gitweb.$key"}); | 
 | 	} | 
 | 	return $config{"gitweb.$key"}; | 
 | } | 
 |  | 
 | # get hash of given path at given ref | 
 | sub git_get_hash_by_path { | 
 | 	my $base = shift; | 
 | 	my $path = shift || return undef; | 
 | 	my $type = shift; | 
 |  | 
 | 	$path =~ s,/+$,,; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path | 
 | 		or die_error(500, "Open git-ls-tree failed"); | 
 | 	my $line = <$fd>; | 
 | 	close $fd or return undef; | 
 |  | 
 | 	if (!defined $line) { | 
 | 		# there is no tree or hash given by $path at $base | 
 | 		return undef; | 
 | 	} | 
 |  | 
 | 	#'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c' | 
 | 	$line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/; | 
 | 	if (defined $type && $type ne $2) { | 
 | 		# type doesn't match | 
 | 		return undef; | 
 | 	} | 
 | 	return $3; | 
 | } | 
 |  | 
 | # get path of entry with given hash at given tree-ish (ref) | 
 | # used to get 'from' filename for combined diff (merge commit) for renames | 
 | sub git_get_path_by_hash { | 
 | 	my $base = shift || return; | 
 | 	my $hash = shift || return; | 
 |  | 
 | 	local $/ = "\0"; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base | 
 | 		or return undef; | 
 | 	while (my $line = <$fd>) { | 
 | 		chomp $line; | 
 |  | 
 | 		#'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423	gitweb' | 
 | 		#'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f	gitweb/README' | 
 | 		if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) { | 
 | 			close $fd; | 
 | 			return $1; | 
 | 		} | 
 | 	} | 
 | 	close $fd; | 
 | 	return undef; | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## git utility functions, directly accessing git repository | 
 |  | 
 | # get the value of config variable either from file named as the variable | 
 | # itself in the repository ($GIT_DIR/$name file), or from gitweb.$name | 
 | # configuration variable in the repository config file. | 
 | sub git_get_file_or_project_config { | 
 | 	my ($path, $name) = @_; | 
 |  | 
 | 	$git_dir = "$projectroot/$path"; | 
 | 	open my $fd, '<', "$git_dir/$name" | 
 | 		or return git_get_project_config($name); | 
 | 	my $conf = <$fd>; | 
 | 	close $fd; | 
 | 	if (defined $conf) { | 
 | 		chomp $conf; | 
 | 	} | 
 | 	return $conf; | 
 | } | 
 |  | 
 | sub git_get_project_description { | 
 | 	my $path = shift; | 
 | 	return git_get_file_or_project_config($path, 'description'); | 
 | } | 
 |  | 
 | sub git_get_project_category { | 
 | 	my $path = shift; | 
 | 	return git_get_file_or_project_config($path, 'category'); | 
 | } | 
 |  | 
 |  | 
 | # supported formats: | 
 | # * $GIT_DIR/ctags/<tagname> file (in 'ctags' subdirectory) | 
 | #   - if its contents is a number, use it as tag weight, | 
 | #   - otherwise add a tag with weight 1 | 
 | # * $GIT_DIR/ctags file, each line is a tag (with weight 1) | 
 | #   the same value multiple times increases tag weight | 
 | # * `gitweb.ctag' multi-valued repo config variable | 
 | sub git_get_project_ctags { | 
 | 	my $project = shift; | 
 | 	my $ctags = {}; | 
 |  | 
 | 	$git_dir = "$projectroot/$project"; | 
 | 	if (opendir my $dh, "$git_dir/ctags") { | 
 | 		my @files = grep { -f $_ } map { "$git_dir/ctags/$_" } readdir($dh); | 
 | 		foreach my $tagfile (@files) { | 
 | 			open my $ct, '<', $tagfile | 
 | 				or next; | 
 | 			my $val = <$ct>; | 
 | 			chomp $val if $val; | 
 | 			close $ct; | 
 |  | 
 | 			(my $ctag = $tagfile) =~ s#.*/##; | 
 | 			if ($val =~ /^\d+$/) { | 
 | 				$ctags->{$ctag} = $val; | 
 | 			} else { | 
 | 				$ctags->{$ctag} = 1; | 
 | 			} | 
 | 		} | 
 | 		closedir $dh; | 
 |  | 
 | 	} elsif (open my $fh, '<', "$git_dir/ctags") { | 
 | 		while (my $line = <$fh>) { | 
 | 			chomp $line; | 
 | 			$ctags->{$line}++ if $line; | 
 | 		} | 
 | 		close $fh; | 
 |  | 
 | 	} else { | 
 | 		my $taglist = config_to_multi(git_get_project_config('ctag')); | 
 | 		foreach my $tag (@$taglist) { | 
 | 			$ctags->{$tag}++; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return $ctags; | 
 | } | 
 |  | 
 | # return hash, where keys are content tags ('ctags'), | 
 | # and values are sum of weights of given tag in every project | 
 | sub git_gather_all_ctags { | 
 | 	my $projects = shift; | 
 | 	my $ctags = {}; | 
 |  | 
 | 	foreach my $p (@$projects) { | 
 | 		foreach my $ct (keys %{$p->{'ctags'}}) { | 
 | 			$ctags->{$ct} += $p->{'ctags'}->{$ct}; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return $ctags; | 
 | } | 
 |  | 
 | sub git_populate_project_tagcloud { | 
 | 	my $ctags = shift; | 
 |  | 
 | 	# First, merge different-cased tags; tags vote on casing | 
 | 	my %ctags_lc; | 
 | 	foreach (keys %$ctags) { | 
 | 		$ctags_lc{lc $_}->{count} += $ctags->{$_}; | 
 | 		if (not $ctags_lc{lc $_}->{topcount} | 
 | 		    or $ctags_lc{lc $_}->{topcount} < $ctags->{$_}) { | 
 | 			$ctags_lc{lc $_}->{topcount} = $ctags->{$_}; | 
 | 			$ctags_lc{lc $_}->{topname} = $_; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	my $cloud; | 
 | 	my $matched = $input_params{'ctag'}; | 
 | 	if (eval { require HTML::TagCloud; 1; }) { | 
 | 		$cloud = HTML::TagCloud->new; | 
 | 		foreach my $ctag (sort keys %ctags_lc) { | 
 | 			# Pad the title with spaces so that the cloud looks | 
 | 			# less crammed. | 
 | 			my $title = esc_html($ctags_lc{$ctag}->{topname}); | 
 | 			$title =~ s/ / /g; | 
 | 			$title =~ s/^/ /g; | 
 | 			$title =~ s/$/ /g; | 
 | 			if (defined $matched && $matched eq $ctag) { | 
 | 				$title = qq(<span class="match">$title</span>); | 
 | 			} | 
 | 			$cloud->add($title, href(project=>undef, ctag=>$ctag), | 
 | 			            $ctags_lc{$ctag}->{count}); | 
 | 		} | 
 | 	} else { | 
 | 		$cloud = {}; | 
 | 		foreach my $ctag (keys %ctags_lc) { | 
 | 			my $title = esc_html($ctags_lc{$ctag}->{topname}, -nbsp=>1); | 
 | 			if (defined $matched && $matched eq $ctag) { | 
 | 				$title = qq(<span class="match">$title</span>); | 
 | 			} | 
 | 			$cloud->{$ctag}{count} = $ctags_lc{$ctag}->{count}; | 
 | 			$cloud->{$ctag}{ctag} = | 
 | 				$cgi->a({-href=>href(project=>undef, ctag=>$ctag)}, $title); | 
 | 		} | 
 | 	} | 
 | 	return $cloud; | 
 | } | 
 |  | 
 | sub git_show_project_tagcloud { | 
 | 	my ($cloud, $count) = @_; | 
 | 	if (ref $cloud eq 'HTML::TagCloud') { | 
 | 		return $cloud->html_and_css($count); | 
 | 	} else { | 
 | 		my @tags = sort { $cloud->{$a}->{'count'} <=> $cloud->{$b}->{'count'} } keys %$cloud; | 
 | 		return | 
 | 			'<div id="htmltagcloud"'.($project ? '' : ' align="center"').'>' . | 
 | 			join (', ', map { | 
 | 				$cloud->{$_}->{'ctag'} | 
 | 			} splice(@tags, 0, $count)) . | 
 | 			'</div>'; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_get_project_url_list { | 
 | 	my $path = shift; | 
 |  | 
 | 	$git_dir = "$projectroot/$path"; | 
 | 	open my $fd, '<', "$git_dir/cloneurl" | 
 | 		or return wantarray ? | 
 | 		@{ config_to_multi(git_get_project_config('url')) } : | 
 | 		   config_to_multi(git_get_project_config('url')); | 
 | 	my @git_project_url_list = map { chomp; $_ } <$fd>; | 
 | 	close $fd; | 
 |  | 
 | 	return wantarray ? @git_project_url_list : \@git_project_url_list; | 
 | } | 
 |  | 
 | sub git_get_projects_list { | 
 | 	my $filter = shift || ''; | 
 | 	my $paranoid = shift; | 
 | 	my @list; | 
 |  | 
 | 	if (-d $projects_list) { | 
 | 		# search in directory | 
 | 		my $dir = $projects_list; | 
 | 		# remove the trailing "/" | 
 | 		$dir =~ s!/+$!!; | 
 | 		my $pfxlen = length("$dir"); | 
 | 		my $pfxdepth = ($dir =~ tr!/!!); | 
 | 		# when filtering, search only given subdirectory | 
 | 		if ($filter && !$paranoid) { | 
 | 			$dir .= "/$filter"; | 
 | 			$dir =~ s!/+$!!; | 
 | 		} | 
 |  | 
 | 		File::Find::find({ | 
 | 			follow_fast => 1, # follow symbolic links | 
 | 			follow_skip => 2, # ignore duplicates | 
 | 			dangling_symlinks => 0, # ignore dangling symlinks, silently | 
 | 			wanted => sub { | 
 | 				# global variables | 
 | 				our $project_maxdepth; | 
 | 				our $projectroot; | 
 | 				# skip project-list toplevel, if we get it. | 
 | 				return if (m!^[/.]$!); | 
 | 				# only directories can be git repositories | 
 | 				return unless (-d $_); | 
 | 				# don't traverse too deep (Find is super slow on os x) | 
 | 				# $project_maxdepth excludes depth of $projectroot | 
 | 				if (($File::Find::name =~ tr!/!!) - $pfxdepth > $project_maxdepth) { | 
 | 					$File::Find::prune = 1; | 
 | 					return; | 
 | 				} | 
 |  | 
 | 				my $path = substr($File::Find::name, $pfxlen + 1); | 
 | 				# paranoidly only filter here | 
 | 				if ($paranoid && $filter && $path !~ m!^\Q$filter\E/!) { | 
 | 					next; | 
 | 				} | 
 | 				# we check related file in $projectroot | 
 | 				if (check_export_ok("$projectroot/$path")) { | 
 | 					push @list, { path => $path }; | 
 | 					$File::Find::prune = 1; | 
 | 				} | 
 | 			}, | 
 | 		}, "$dir"); | 
 |  | 
 | 	} elsif (-f $projects_list) { | 
 | 		# read from file(url-encoded): | 
 | 		# 'git%2Fgit.git Linus+Torvalds' | 
 | 		# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin' | 
 | 		# 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman' | 
 | 		open my $fd, '<', $projects_list or return; | 
 | 	PROJECT: | 
 | 		while (my $line = <$fd>) { | 
 | 			chomp $line; | 
 | 			my ($path, $owner) = split ' ', $line; | 
 | 			$path = unescape($path); | 
 | 			$owner = unescape($owner); | 
 | 			if (!defined $path) { | 
 | 				next; | 
 | 			} | 
 | 			# if $filter is rpovided, check if $path begins with $filter | 
 | 			if ($filter && $path !~ m!^\Q$filter\E/!) { | 
 | 				next; | 
 | 			} | 
 | 			if (check_export_ok("$projectroot/$path")) { | 
 | 				my $pr = { | 
 | 					path => $path | 
 | 				}; | 
 | 				if ($owner) { | 
 | 					$pr->{'owner'} = to_utf8($owner); | 
 | 				} | 
 | 				push @list, $pr; | 
 | 			} | 
 | 		} | 
 | 		close $fd; | 
 | 	} | 
 | 	return @list; | 
 | } | 
 |  | 
 | # written with help of Tree::Trie module (Perl Artistic License, GPL compatibile) | 
 | # as side effects it sets 'forks' field to list of forks for forked projects | 
 | sub filter_forks_from_projects_list { | 
 | 	my $projects = shift; | 
 |  | 
 | 	my %trie; # prefix tree of directories (path components) | 
 | 	# generate trie out of those directories that might contain forks | 
 | 	foreach my $pr (@$projects) { | 
 | 		my $path = $pr->{'path'}; | 
 | 		$path =~ s/\.git$//;      # forks of 'repo.git' are in 'repo/' directory | 
 | 		next if ($path =~ m!/$!); # skip non-bare repositories, e.g. 'repo/.git' | 
 | 		next unless ($path);      # skip '.git' repository: tests, git-instaweb | 
 | 		next unless (-d "$projectroot/$path"); # containing directory exists | 
 | 		$pr->{'forks'} = [];      # there can be 0 or more forks of project | 
 |  | 
 | 		# add to trie | 
 | 		my @dirs = split('/', $path); | 
 | 		# walk the trie, until either runs out of components or out of trie | 
 | 		my $ref = \%trie; | 
 | 		while (scalar @dirs && | 
 | 		       exists($ref->{$dirs[0]})) { | 
 | 			$ref = $ref->{shift @dirs}; | 
 | 		} | 
 | 		# create rest of trie structure from rest of components | 
 | 		foreach my $dir (@dirs) { | 
 | 			$ref = $ref->{$dir} = {}; | 
 | 		} | 
 | 		# create end marker, store $pr as a data | 
 | 		$ref->{''} = $pr if (!exists $ref->{''}); | 
 | 	} | 
 |  | 
 | 	# filter out forks, by finding shortest prefix match for paths | 
 | 	my @filtered; | 
 |  PROJECT: | 
 | 	foreach my $pr (@$projects) { | 
 | 		# trie lookup | 
 | 		my $ref = \%trie; | 
 | 	DIR: | 
 | 		foreach my $dir (split('/', $pr->{'path'})) { | 
 | 			if (exists $ref->{''}) { | 
 | 				# found [shortest] prefix, is a fork - skip it | 
 | 				push @{$ref->{''}{'forks'}}, $pr; | 
 | 				next PROJECT; | 
 | 			} | 
 | 			if (!exists $ref->{$dir}) { | 
 | 				# not in trie, cannot have prefix, not a fork | 
 | 				push @filtered, $pr; | 
 | 				next PROJECT; | 
 | 			} | 
 | 			# If the dir is there, we just walk one step down the trie. | 
 | 			$ref = $ref->{$dir}; | 
 | 		} | 
 | 		# we ran out of trie | 
 | 		# (shouldn't happen: it's either no match, or end marker) | 
 | 		push @filtered, $pr; | 
 | 	} | 
 |  | 
 | 	return @filtered; | 
 | } | 
 |  | 
 | # note: fill_project_list_info must be run first, | 
 | # for 'descr_long' and 'ctags' to be filled | 
 | sub search_projects_list { | 
 | 	my ($projlist, %opts) = @_; | 
 | 	my $tagfilter  = $opts{'tagfilter'}; | 
 | 	my $search_re = $opts{'search_regexp'}; | 
 |  | 
 | 	return @$projlist | 
 | 		unless ($tagfilter || $search_re); | 
 |  | 
 | 	# searching projects require filling to be run before it; | 
 | 	fill_project_list_info($projlist, | 
 | 	                       $tagfilter  ? 'ctags' : (), | 
 | 	                       $search_re ? ('path', 'descr') : ()); | 
 | 	my @projects; | 
 |  PROJECT: | 
 | 	foreach my $pr (@$projlist) { | 
 |  | 
 | 		if ($tagfilter) { | 
 | 			next unless ref($pr->{'ctags'}) eq 'HASH'; | 
 | 			next unless | 
 | 				grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}}; | 
 | 		} | 
 |  | 
 | 		if ($search_re) { | 
 | 			next unless | 
 | 				$pr->{'path'} =~ /$search_re/ || | 
 | 				$pr->{'descr_long'} =~ /$search_re/; | 
 | 		} | 
 |  | 
 | 		push @projects, $pr; | 
 | 	} | 
 |  | 
 | 	return @projects; | 
 | } | 
 |  | 
 | our $gitweb_project_owner = undef; | 
 | sub git_get_project_list_from_file { | 
 |  | 
 | 	return if (defined $gitweb_project_owner); | 
 |  | 
 | 	$gitweb_project_owner = {}; | 
 | 	# read from file (url-encoded): | 
 | 	# 'git%2Fgit.git Linus+Torvalds' | 
 | 	# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin' | 
 | 	# 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman' | 
 | 	if (-f $projects_list) { | 
 | 		open(my $fd, '<', $projects_list); | 
 | 		while (my $line = <$fd>) { | 
 | 			chomp $line; | 
 | 			my ($pr, $ow) = split ' ', $line; | 
 | 			$pr = unescape($pr); | 
 | 			$ow = unescape($ow); | 
 | 			$gitweb_project_owner->{$pr} = to_utf8($ow); | 
 | 		} | 
 | 		close $fd; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_get_project_owner { | 
 | 	my $project = shift; | 
 | 	my $owner; | 
 |  | 
 | 	return undef unless $project; | 
 | 	$git_dir = "$projectroot/$project"; | 
 |  | 
 | 	if (!defined $gitweb_project_owner) { | 
 | 		git_get_project_list_from_file(); | 
 | 	} | 
 |  | 
 | 	if (exists $gitweb_project_owner->{$project}) { | 
 | 		$owner = $gitweb_project_owner->{$project}; | 
 | 	} | 
 | 	if (!defined $owner){ | 
 | 		$owner = git_get_project_config('owner'); | 
 | 	} | 
 | 	if (!defined $owner) { | 
 | 		$owner = get_file_owner("$git_dir"); | 
 | 	} | 
 |  | 
 | 	return $owner; | 
 | } | 
 |  | 
 | sub git_get_last_activity { | 
 | 	my ($path) = @_; | 
 | 	my $fd; | 
 |  | 
 | 	$git_dir = "$projectroot/$path"; | 
 | 	open($fd, "-|", git_cmd(), 'for-each-ref', | 
 | 	     '--format=%(committer)', | 
 | 	     '--sort=-committerdate', | 
 | 	     '--count=1', | 
 | 	     'refs/heads') or return; | 
 | 	my $most_recent = <$fd>; | 
 | 	close $fd or return; | 
 | 	if (defined $most_recent && | 
 | 	    $most_recent =~ / (\d+) [-+][01]\d\d\d$/) { | 
 | 		my $timestamp = $1; | 
 | 		my $age = time - $timestamp; | 
 | 		return ($age, age_string($age)); | 
 | 	} | 
 | 	return (undef, undef); | 
 | } | 
 |  | 
 | # Implementation note: when a single remote is wanted, we cannot use 'git | 
 | # remote show -n' because that command always work (assuming it's a remote URL | 
 | # if it's not defined), and we cannot use 'git remote show' because that would | 
 | # try to make a network roundtrip. So the only way to find if that particular | 
 | # remote is defined is to walk the list provided by 'git remote -v' and stop if | 
 | # and when we find what we want. | 
 | sub git_get_remotes_list { | 
 | 	my $wanted = shift; | 
 | 	my %remotes = (); | 
 |  | 
 | 	open my $fd, '-|' , git_cmd(), 'remote', '-v'; | 
 | 	return unless $fd; | 
 | 	while (my $remote = <$fd>) { | 
 | 		chomp $remote; | 
 | 		$remote =~ s!\t(.*?)\s+\((\w+)\)$!!; | 
 | 		next if $wanted and not $remote eq $wanted; | 
 | 		my ($url, $key) = ($1, $2); | 
 |  | 
 | 		$remotes{$remote} ||= { 'heads' => () }; | 
 | 		$remotes{$remote}{$key} = $url; | 
 | 	} | 
 | 	close $fd or return; | 
 | 	return wantarray ? %remotes : \%remotes; | 
 | } | 
 |  | 
 | # Takes a hash of remotes as first parameter and fills it by adding the | 
 | # available remote heads for each of the indicated remotes. | 
 | sub fill_remote_heads { | 
 | 	my $remotes = shift; | 
 | 	my @heads = map { "remotes/$_" } keys %$remotes; | 
 | 	my @remoteheads = git_get_heads_list(undef, @heads); | 
 | 	foreach my $remote (keys %$remotes) { | 
 | 		$remotes->{$remote}{'heads'} = [ grep { | 
 | 			$_->{'name'} =~ s!^$remote/!! | 
 | 			} @remoteheads ]; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_get_references { | 
 | 	my $type = shift || ""; | 
 | 	my %refs; | 
 | 	# 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11 | 
 | 	# c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{} | 
 | 	open my $fd, "-|", git_cmd(), "show-ref", "--dereference", | 
 | 		($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type | 
 | 		or return; | 
 |  | 
 | 	while (my $line = <$fd>) { | 
 | 		chomp $line; | 
 | 		if ($line =~ m!^([0-9a-fA-F]{40})\srefs/($type.*)$!) { | 
 | 			if (defined $refs{$1}) { | 
 | 				push @{$refs{$1}}, $2; | 
 | 			} else { | 
 | 				$refs{$1} = [ $2 ]; | 
 | 			} | 
 | 		} | 
 | 	} | 
 | 	close $fd or return; | 
 | 	return \%refs; | 
 | } | 
 |  | 
 | sub git_get_rev_name_tags { | 
 | 	my $hash = shift || return undef; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash | 
 | 		or return; | 
 | 	my $name_rev = <$fd>; | 
 | 	close $fd; | 
 |  | 
 | 	if ($name_rev =~ m|^$hash tags/(.*)$|) { | 
 | 		return $1; | 
 | 	} else { | 
 | 		# catches also '$hash undefined' output | 
 | 		return undef; | 
 | 	} | 
 | } | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## parse to hash functions | 
 |  | 
 | sub parse_date { | 
 | 	my $epoch = shift; | 
 | 	my $tz = shift || "-0000"; | 
 |  | 
 | 	my %date; | 
 | 	my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"); | 
 | 	my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"); | 
 | 	my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch); | 
 | 	$date{'hour'} = $hour; | 
 | 	$date{'minute'} = $min; | 
 | 	$date{'mday'} = $mday; | 
 | 	$date{'day'} = $days[$wday]; | 
 | 	$date{'month'} = $months[$mon]; | 
 | 	$date{'rfc2822'}   = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", | 
 | 	                     $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec; | 
 | 	$date{'mday-time'} = sprintf "%d %s %02d:%02d", | 
 | 	                     $mday, $months[$mon], $hour ,$min; | 
 | 	$date{'iso-8601'}  = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ", | 
 | 	                     1900+$year, 1+$mon, $mday, $hour ,$min, $sec; | 
 |  | 
 | 	my ($tz_sign, $tz_hour, $tz_min) = | 
 | 		($tz =~ m/^([-+])(\d\d)(\d\d)$/); | 
 | 	$tz_sign = ($tz_sign eq '-' ? -1 : +1); | 
 | 	my $local = $epoch + $tz_sign*((($tz_hour*60) + $tz_min)*60); | 
 | 	($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local); | 
 | 	$date{'hour_local'} = $hour; | 
 | 	$date{'minute_local'} = $min; | 
 | 	$date{'tz_local'} = $tz; | 
 | 	$date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s", | 
 | 	                          1900+$year, $mon+1, $mday, | 
 | 	                          $hour, $min, $sec, $tz); | 
 | 	return %date; | 
 | } | 
 |  | 
 | sub parse_tag { | 
 | 	my $tag_id = shift; | 
 | 	my %tag; | 
 | 	my @comment; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return; | 
 | 	$tag{'id'} = $tag_id; | 
 | 	while (my $line = <$fd>) { | 
 | 		chomp $line; | 
 | 		if ($line =~ m/^object ([0-9a-fA-F]{40})$/) { | 
 | 			$tag{'object'} = $1; | 
 | 		} elsif ($line =~ m/^type (.+)$/) { | 
 | 			$tag{'type'} = $1; | 
 | 		} elsif ($line =~ m/^tag (.+)$/) { | 
 | 			$tag{'name'} = $1; | 
 | 		} elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) { | 
 | 			$tag{'author'} = $1; | 
 | 			$tag{'author_epoch'} = $2; | 
 | 			$tag{'author_tz'} = $3; | 
 | 			if ($tag{'author'} =~ m/^([^<]+) <([^>]*)>/) { | 
 | 				$tag{'author_name'}  = $1; | 
 | 				$tag{'author_email'} = $2; | 
 | 			} else { | 
 | 				$tag{'author_name'} = $tag{'author'}; | 
 | 			} | 
 | 		} elsif ($line =~ m/--BEGIN/) { | 
 | 			push @comment, $line; | 
 | 			last; | 
 | 		} elsif ($line eq "") { | 
 | 			last; | 
 | 		} | 
 | 	} | 
 | 	push @comment, <$fd>; | 
 | 	$tag{'comment'} = \@comment; | 
 | 	close $fd or return; | 
 | 	if (!defined $tag{'name'}) { | 
 | 		return | 
 | 	}; | 
 | 	return %tag | 
 | } | 
 |  | 
 | sub parse_commit_text { | 
 | 	my ($commit_text, $withparents) = @_; | 
 | 	my @commit_lines = split '\n', $commit_text; | 
 | 	my %co; | 
 |  | 
 | 	pop @commit_lines; # Remove '\0' | 
 |  | 
 | 	if (! @commit_lines) { | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	my $header = shift @commit_lines; | 
 | 	if ($header !~ m/^[0-9a-fA-F]{40}/) { | 
 | 		return; | 
 | 	} | 
 | 	($co{'id'}, my @parents) = split ' ', $header; | 
 | 	while (my $line = shift @commit_lines) { | 
 | 		last if $line eq "\n"; | 
 | 		if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) { | 
 | 			$co{'tree'} = $1; | 
 | 		} elsif ((!defined $withparents) && ($line =~ m/^parent ([0-9a-fA-F]{40})$/)) { | 
 | 			push @parents, $1; | 
 | 		} elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) { | 
 | 			$co{'author'} = to_utf8($1); | 
 | 			$co{'author_epoch'} = $2; | 
 | 			$co{'author_tz'} = $3; | 
 | 			if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) { | 
 | 				$co{'author_name'}  = $1; | 
 | 				$co{'author_email'} = $2; | 
 | 			} else { | 
 | 				$co{'author_name'} = $co{'author'}; | 
 | 			} | 
 | 		} elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) { | 
 | 			$co{'committer'} = to_utf8($1); | 
 | 			$co{'committer_epoch'} = $2; | 
 | 			$co{'committer_tz'} = $3; | 
 | 			if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) { | 
 | 				$co{'committer_name'}  = $1; | 
 | 				$co{'committer_email'} = $2; | 
 | 			} else { | 
 | 				$co{'committer_name'} = $co{'committer'}; | 
 | 			} | 
 | 		} | 
 | 	} | 
 | 	if (!defined $co{'tree'}) { | 
 | 		return; | 
 | 	}; | 
 | 	$co{'parents'} = \@parents; | 
 | 	$co{'parent'} = $parents[0]; | 
 |  | 
 | 	foreach my $title (@commit_lines) { | 
 | 		$title =~ s/^    //; | 
 | 		if ($title ne "") { | 
 | 			$co{'title'} = chop_str($title, 80, 5); | 
 | 			# remove leading stuff of merges to make the interesting part visible | 
 | 			if (length($title) > 50) { | 
 | 				$title =~ s/^Automatic //; | 
 | 				$title =~ s/^merge (of|with) /Merge ... /i; | 
 | 				if (length($title) > 50) { | 
 | 					$title =~ s/(http|rsync):\/\///; | 
 | 				} | 
 | 				if (length($title) > 50) { | 
 | 					$title =~ s/(master|www|rsync)\.//; | 
 | 				} | 
 | 				if (length($title) > 50) { | 
 | 					$title =~ s/kernel.org:?//; | 
 | 				} | 
 | 				if (length($title) > 50) { | 
 | 					$title =~ s/\/pub\/scm//; | 
 | 				} | 
 | 			} | 
 | 			$co{'title_short'} = chop_str($title, 50, 5); | 
 | 			last; | 
 | 		} | 
 | 	} | 
 | 	if (! defined $co{'title'} || $co{'title'} eq "") { | 
 | 		$co{'title'} = $co{'title_short'} = '(no commit message)'; | 
 | 	} | 
 | 	# remove added spaces | 
 | 	foreach my $line (@commit_lines) { | 
 | 		$line =~ s/^    //; | 
 | 	} | 
 | 	$co{'comment'} = \@commit_lines; | 
 |  | 
 | 	my $age = time - $co{'committer_epoch'}; | 
 | 	$co{'age'} = $age; | 
 | 	$co{'age_string'} = age_string($age); | 
 | 	my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'}); | 
 | 	if ($age > 60*60*24*7*2) { | 
 | 		$co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday; | 
 | 		$co{'age_string_age'} = $co{'age_string'}; | 
 | 	} else { | 
 | 		$co{'age_string_date'} = $co{'age_string'}; | 
 | 		$co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday; | 
 | 	} | 
 | 	return %co; | 
 | } | 
 |  | 
 | sub parse_commit { | 
 | 	my ($commit_id) = @_; | 
 | 	my %co; | 
 |  | 
 | 	local $/ = "\0"; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "rev-list", | 
 | 		"--parents", | 
 | 		"--header", | 
 | 		"--max-count=1", | 
 | 		$commit_id, | 
 | 		"--", | 
 | 		or die_error(500, "Open git-rev-list failed"); | 
 | 	%co = parse_commit_text(<$fd>, 1); | 
 | 	close $fd; | 
 |  | 
 | 	return %co; | 
 | } | 
 |  | 
 | sub parse_commits { | 
 | 	my ($commit_id, $maxcount, $skip, $filename, @args) = @_; | 
 | 	my @cos; | 
 |  | 
 | 	$maxcount ||= 1; | 
 | 	$skip ||= 0; | 
 |  | 
 | 	local $/ = "\0"; | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "rev-list", | 
 | 		"--header", | 
 | 		@args, | 
 | 		("--max-count=" . $maxcount), | 
 | 		("--skip=" . $skip), | 
 | 		@extra_options, | 
 | 		$commit_id, | 
 | 		"--", | 
 | 		($filename ? ($filename) : ()) | 
 | 		or die_error(500, "Open git-rev-list failed"); | 
 | 	while (my $line = <$fd>) { | 
 | 		my %co = parse_commit_text($line); | 
 | 		push @cos, \%co; | 
 | 	} | 
 | 	close $fd; | 
 |  | 
 | 	return wantarray ? @cos : \@cos; | 
 | } | 
 |  | 
 | # parse line of git-diff-tree "raw" output | 
 | sub parse_difftree_raw_line { | 
 | 	my $line = shift; | 
 | 	my %res; | 
 |  | 
 | 	# ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M	ls-files.c' | 
 | 	# ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M	rev-tree.c' | 
 | 	if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) { | 
 | 		$res{'from_mode'} = $1; | 
 | 		$res{'to_mode'} = $2; | 
 | 		$res{'from_id'} = $3; | 
 | 		$res{'to_id'} = $4; | 
 | 		$res{'status'} = $5; | 
 | 		$res{'similarity'} = $6; | 
 | 		if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied | 
 | 			($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7); | 
 | 		} else { | 
 | 			$res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7); | 
 | 		} | 
 | 	} | 
 | 	# '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR	git-gui/git-gui.sh' | 
 | 	# combined diff (for merge commit) | 
 | 	elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:[0-9a-fA-F]{40} )+)([a-zA-Z]+)\t(.*)$//) { | 
 | 		$res{'nparents'}  = length($1); | 
 | 		$res{'from_mode'} = [ split(' ', $2) ]; | 
 | 		$res{'to_mode'} = pop @{$res{'from_mode'}}; | 
 | 		$res{'from_id'} = [ split(' ', $3) ]; | 
 | 		$res{'to_id'} = pop @{$res{'from_id'}}; | 
 | 		$res{'status'} = [ split('', $4) ]; | 
 | 		$res{'to_file'} = unquote($5); | 
 | 	} | 
 | 	# 'c512b523472485aef4fff9e57b229d9d243c967f' | 
 | 	elsif ($line =~ m/^([0-9a-fA-F]{40})$/) { | 
 | 		$res{'commit'} = $1; | 
 | 	} | 
 |  | 
 | 	return wantarray ? %res : \%res; | 
 | } | 
 |  | 
 | # wrapper: return parsed line of git-diff-tree "raw" output | 
 | # (the argument might be raw line, or parsed info) | 
 | sub parsed_difftree_line { | 
 | 	my $line_or_ref = shift; | 
 |  | 
 | 	if (ref($line_or_ref) eq "HASH") { | 
 | 		# pre-parsed (or generated by hand) | 
 | 		return $line_or_ref; | 
 | 	} else { | 
 | 		return parse_difftree_raw_line($line_or_ref); | 
 | 	} | 
 | } | 
 |  | 
 | # parse line of git-ls-tree output | 
 | sub parse_ls_tree_line { | 
 | 	my $line = shift; | 
 | 	my %opts = @_; | 
 | 	my %res; | 
 |  | 
 | 	if ($opts{'-l'}) { | 
 | 		#'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa   16717	panic.c' | 
 | 		$line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40}) +(-|[0-9]+)\t(.+)$/s; | 
 |  | 
 | 		$res{'mode'} = $1; | 
 | 		$res{'type'} = $2; | 
 | 		$res{'hash'} = $3; | 
 | 		$res{'size'} = $4; | 
 | 		if ($opts{'-z'}) { | 
 | 			$res{'name'} = $5; | 
 | 		} else { | 
 | 			$res{'name'} = unquote($5); | 
 | 		} | 
 | 	} else { | 
 | 		#'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c' | 
 | 		$line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/s; | 
 |  | 
 | 		$res{'mode'} = $1; | 
 | 		$res{'type'} = $2; | 
 | 		$res{'hash'} = $3; | 
 | 		if ($opts{'-z'}) { | 
 | 			$res{'name'} = $4; | 
 | 		} else { | 
 | 			$res{'name'} = unquote($4); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return wantarray ? %res : \%res; | 
 | } | 
 |  | 
 | # generates _two_ hashes, references to which are passed as 2 and 3 argument | 
 | sub parse_from_to_diffinfo { | 
 | 	my ($diffinfo, $from, $to, @parents) = @_; | 
 |  | 
 | 	if ($diffinfo->{'nparents'}) { | 
 | 		# combined diff | 
 | 		$from->{'file'} = []; | 
 | 		$from->{'href'} = []; | 
 | 		fill_from_file_info($diffinfo, @parents) | 
 | 			unless exists $diffinfo->{'from_file'}; | 
 | 		for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) { | 
 | 			$from->{'file'}[$i] = | 
 | 				defined $diffinfo->{'from_file'}[$i] ? | 
 | 				        $diffinfo->{'from_file'}[$i] : | 
 | 				        $diffinfo->{'to_file'}; | 
 | 			if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file | 
 | 				$from->{'href'}[$i] = href(action=>"blob", | 
 | 				                           hash_base=>$parents[$i], | 
 | 				                           hash=>$diffinfo->{'from_id'}[$i], | 
 | 				                           file_name=>$from->{'file'}[$i]); | 
 | 			} else { | 
 | 				$from->{'href'}[$i] = undef; | 
 | 			} | 
 | 		} | 
 | 	} else { | 
 | 		# ordinary (not combined) diff | 
 | 		$from->{'file'} = $diffinfo->{'from_file'}; | 
 | 		if ($diffinfo->{'status'} ne "A") { # not new (added) file | 
 | 			$from->{'href'} = href(action=>"blob", hash_base=>$hash_parent, | 
 | 			                       hash=>$diffinfo->{'from_id'}, | 
 | 			                       file_name=>$from->{'file'}); | 
 | 		} else { | 
 | 			delete $from->{'href'}; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	$to->{'file'} = $diffinfo->{'to_file'}; | 
 | 	if (!is_deleted($diffinfo)) { # file exists in result | 
 | 		$to->{'href'} = href(action=>"blob", hash_base=>$hash, | 
 | 		                     hash=>$diffinfo->{'to_id'}, | 
 | 		                     file_name=>$to->{'file'}); | 
 | 	} else { | 
 | 		delete $to->{'href'}; | 
 | 	} | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## parse to array of hashes functions | 
 |  | 
 | sub git_get_heads_list { | 
 | 	my ($limit, @classes) = @_; | 
 | 	@classes = ('heads') unless @classes; | 
 | 	my @patterns = map { "refs/$_" } @classes; | 
 | 	my @headslist; | 
 |  | 
 | 	open my $fd, '-|', git_cmd(), 'for-each-ref', | 
 | 		($limit ? '--count='.($limit+1) : ()), '--sort=-committerdate', | 
 | 		'--format=%(objectname) %(refname) %(subject)%00%(committer)', | 
 | 		@patterns | 
 | 		or return; | 
 | 	while (my $line = <$fd>) { | 
 | 		my %ref_item; | 
 |  | 
 | 		chomp $line; | 
 | 		my ($refinfo, $committerinfo) = split(/\0/, $line); | 
 | 		my ($hash, $name, $title) = split(' ', $refinfo, 3); | 
 | 		my ($committer, $epoch, $tz) = | 
 | 			($committerinfo =~ /^(.*) ([0-9]+) (.*)$/); | 
 | 		$ref_item{'fullname'}  = $name; | 
 | 		$name =~ s!^refs/(?:head|remote)s/!!; | 
 |  | 
 | 		$ref_item{'name'}  = $name; | 
 | 		$ref_item{'id'}    = $hash; | 
 | 		$ref_item{'title'} = $title || '(no commit message)'; | 
 | 		$ref_item{'epoch'} = $epoch; | 
 | 		if ($epoch) { | 
 | 			$ref_item{'age'} = age_string(time - $ref_item{'epoch'}); | 
 | 		} else { | 
 | 			$ref_item{'age'} = "unknown"; | 
 | 		} | 
 |  | 
 | 		push @headslist, \%ref_item; | 
 | 	} | 
 | 	close $fd; | 
 |  | 
 | 	return wantarray ? @headslist : \@headslist; | 
 | } | 
 |  | 
 | sub git_get_tags_list { | 
 | 	my $limit = shift; | 
 | 	my @tagslist; | 
 |  | 
 | 	open my $fd, '-|', git_cmd(), 'for-each-ref', | 
 | 		($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate', | 
 | 		'--format=%(objectname) %(objecttype) %(refname) '. | 
 | 		'%(*objectname) %(*objecttype) %(subject)%00%(creator)', | 
 | 		'refs/tags' | 
 | 		or return; | 
 | 	while (my $line = <$fd>) { | 
 | 		my %ref_item; | 
 |  | 
 | 		chomp $line; | 
 | 		my ($refinfo, $creatorinfo) = split(/\0/, $line); | 
 | 		my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6); | 
 | 		my ($creator, $epoch, $tz) = | 
 | 			($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/); | 
 | 		$ref_item{'fullname'} = $name; | 
 | 		$name =~ s!^refs/tags/!!; | 
 |  | 
 | 		$ref_item{'type'} = $type; | 
 | 		$ref_item{'id'} = $id; | 
 | 		$ref_item{'name'} = $name; | 
 | 		if ($type eq "tag") { | 
 | 			$ref_item{'subject'} = $title; | 
 | 			$ref_item{'reftype'} = $reftype; | 
 | 			$ref_item{'refid'}   = $refid; | 
 | 		} else { | 
 | 			$ref_item{'reftype'} = $type; | 
 | 			$ref_item{'refid'}   = $id; | 
 | 		} | 
 |  | 
 | 		if ($type eq "tag" || $type eq "commit") { | 
 | 			$ref_item{'epoch'} = $epoch; | 
 | 			if ($epoch) { | 
 | 				$ref_item{'age'} = age_string(time - $ref_item{'epoch'}); | 
 | 			} else { | 
 | 				$ref_item{'age'} = "unknown"; | 
 | 			} | 
 | 		} | 
 |  | 
 | 		push @tagslist, \%ref_item; | 
 | 	} | 
 | 	close $fd; | 
 |  | 
 | 	return wantarray ? @tagslist : \@tagslist; | 
 | } | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## filesystem-related functions | 
 |  | 
 | sub get_file_owner { | 
 | 	my $path = shift; | 
 |  | 
 | 	my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path); | 
 | 	my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid); | 
 | 	if (!defined $gcos) { | 
 | 		return undef; | 
 | 	} | 
 | 	my $owner = $gcos; | 
 | 	$owner =~ s/[,;].*$//; | 
 | 	return to_utf8($owner); | 
 | } | 
 |  | 
 | # assume that file exists | 
 | sub insert_file { | 
 | 	my $filename = shift; | 
 |  | 
 | 	open my $fd, '<', $filename; | 
 | 	print map { to_utf8($_) } <$fd>; | 
 | 	close $fd; | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## mimetype related functions | 
 |  | 
 | sub mimetype_guess_file { | 
 | 	my $filename = shift; | 
 | 	my $mimemap = shift; | 
 | 	-r $mimemap or return undef; | 
 |  | 
 | 	my %mimemap; | 
 | 	open(my $mh, '<', $mimemap) or return undef; | 
 | 	while (<$mh>) { | 
 | 		next if m/^#/; # skip comments | 
 | 		my ($mimetype, @exts) = split(/\s+/); | 
 | 		foreach my $ext (@exts) { | 
 | 			$mimemap{$ext} = $mimetype; | 
 | 		} | 
 | 	} | 
 | 	close($mh); | 
 |  | 
 | 	$filename =~ /\.([^.]*)$/; | 
 | 	return $mimemap{$1}; | 
 | } | 
 |  | 
 | sub mimetype_guess { | 
 | 	my $filename = shift; | 
 | 	my $mime; | 
 | 	$filename =~ /\./ or return undef; | 
 |  | 
 | 	if ($mimetypes_file) { | 
 | 		my $file = $mimetypes_file; | 
 | 		if ($file !~ m!^/!) { # if it is relative path | 
 | 			# it is relative to project | 
 | 			$file = "$projectroot/$project/$file"; | 
 | 		} | 
 | 		$mime = mimetype_guess_file($filename, $file); | 
 | 	} | 
 | 	$mime ||= mimetype_guess_file($filename, '/etc/mime.types'); | 
 | 	return $mime; | 
 | } | 
 |  | 
 | sub blob_mimetype { | 
 | 	my $fd = shift; | 
 | 	my $filename = shift; | 
 |  | 
 | 	if ($filename) { | 
 | 		my $mime = mimetype_guess($filename); | 
 | 		$mime and return $mime; | 
 | 	} | 
 |  | 
 | 	# just in case | 
 | 	return $default_blob_plain_mimetype unless $fd; | 
 |  | 
 | 	if (-T $fd) { | 
 | 		return 'text/plain'; | 
 | 	} elsif (! $filename) { | 
 | 		return 'application/octet-stream'; | 
 | 	} elsif ($filename =~ m/\.png$/i) { | 
 | 		return 'image/png'; | 
 | 	} elsif ($filename =~ m/\.gif$/i) { | 
 | 		return 'image/gif'; | 
 | 	} elsif ($filename =~ m/\.jpe?g$/i) { | 
 | 		return 'image/jpeg'; | 
 | 	} else { | 
 | 		return 'application/octet-stream'; | 
 | 	} | 
 | } | 
 |  | 
 | sub blob_contenttype { | 
 | 	my ($fd, $file_name, $type) = @_; | 
 |  | 
 | 	$type ||= blob_mimetype($fd, $file_name); | 
 | 	if ($type eq 'text/plain' && defined $default_text_plain_charset) { | 
 | 		$type .= "; charset=$default_text_plain_charset"; | 
 | 	} | 
 |  | 
 | 	return $type; | 
 | } | 
 |  | 
 | # guess file syntax for syntax highlighting; return undef if no highlighting | 
 | # the name of syntax can (in the future) depend on syntax highlighter used | 
 | sub guess_file_syntax { | 
 | 	my ($highlight, $mimetype, $file_name) = @_; | 
 | 	return undef unless ($highlight && defined $file_name); | 
 | 	my $basename = basename($file_name, '.in'); | 
 | 	return $highlight_basename{$basename} | 
 | 		if exists $highlight_basename{$basename}; | 
 |  | 
 | 	$basename =~ /\.([^.]*)$/; | 
 | 	my $ext = $1 or return undef; | 
 | 	return $highlight_ext{$ext} | 
 | 		if exists $highlight_ext{$ext}; | 
 |  | 
 | 	return undef; | 
 | } | 
 |  | 
 | # run highlighter and return FD of its output, | 
 | # or return original FD if no highlighting | 
 | sub run_highlighter { | 
 | 	my ($fd, $highlight, $syntax) = @_; | 
 | 	return $fd unless ($highlight && defined $syntax); | 
 |  | 
 | 	close $fd; | 
 | 	open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ". | 
 | 	          quote_command($highlight_bin). | 
 | 	          " --replace-tabs=8 --fragment --syntax $syntax |" | 
 | 		or die_error(500, "Couldn't open file or run syntax highlighter"); | 
 | 	return $fd; | 
 | } | 
 |  | 
 | ## ====================================================================== | 
 | ## functions printing HTML: header, footer, error page | 
 |  | 
 | sub get_page_title { | 
 | 	my $title = to_utf8($site_name); | 
 |  | 
 | 	unless (defined $project) { | 
 | 		if (defined $project_filter) { | 
 | 			$title .= " - projects in '" . esc_path($project_filter) . "'"; | 
 | 		} | 
 | 		return $title; | 
 | 	} | 
 | 	$title .= " - " . to_utf8($project); | 
 |  | 
 | 	return $title unless (defined $action); | 
 | 	$title .= "/$action"; # $action is US-ASCII (7bit ASCII) | 
 |  | 
 | 	return $title unless (defined $file_name); | 
 | 	$title .= " - " . esc_path($file_name); | 
 | 	if ($action eq "tree" && $file_name !~ m|/$|) { | 
 | 		$title .= "/"; | 
 | 	} | 
 |  | 
 | 	return $title; | 
 | } | 
 |  | 
 | sub get_content_type_html { | 
 | 	# require explicit support from the UA if we are to send the page as | 
 | 	# 'application/xhtml+xml', otherwise send it as plain old 'text/html'. | 
 | 	# we have to do this because MSIE sometimes globs '*/*', pretending to | 
 | 	# support xhtml+xml but choking when it gets what it asked for. | 
 | 	if (defined $cgi->http('HTTP_ACCEPT') && | 
 | 	    $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && | 
 | 	    $cgi->Accept('application/xhtml+xml') != 0) { | 
 | 		return 'application/xhtml+xml'; | 
 | 	} else { | 
 | 		return 'text/html'; | 
 | 	} | 
 | } | 
 |  | 
 | sub print_feed_meta { | 
 | 	if (defined $project) { | 
 | 		my %href_params = get_feed_info(); | 
 | 		if (!exists $href_params{'-title'}) { | 
 | 			$href_params{'-title'} = 'log'; | 
 | 		} | 
 |  | 
 | 		foreach my $format (qw(RSS Atom)) { | 
 | 			my $type = lc($format); | 
 | 			my %link_attr = ( | 
 | 				'-rel' => 'alternate', | 
 | 				'-title' => esc_attr("$project - $href_params{'-title'} - $format feed"), | 
 | 				'-type' => "application/$type+xml" | 
 | 			); | 
 |  | 
 | 			$href_params{'extra_options'} = undef; | 
 | 			$href_params{'action'} = $type; | 
 | 			$link_attr{'-href'} = href(%href_params); | 
 | 			print "<link ". | 
 | 			      "rel=\"$link_attr{'-rel'}\" ". | 
 | 			      "title=\"$link_attr{'-title'}\" ". | 
 | 			      "href=\"$link_attr{'-href'}\" ". | 
 | 			      "type=\"$link_attr{'-type'}\" ". | 
 | 			      "/>\n"; | 
 |  | 
 | 			$href_params{'extra_options'} = '--no-merges'; | 
 | 			$link_attr{'-href'} = href(%href_params); | 
 | 			$link_attr{'-title'} .= ' (no merges)'; | 
 | 			print "<link ". | 
 | 			      "rel=\"$link_attr{'-rel'}\" ". | 
 | 			      "title=\"$link_attr{'-title'}\" ". | 
 | 			      "href=\"$link_attr{'-href'}\" ". | 
 | 			      "type=\"$link_attr{'-type'}\" ". | 
 | 			      "/>\n"; | 
 | 		} | 
 |  | 
 | 	} else { | 
 | 		printf('<link rel="alternate" title="%s projects list" '. | 
 | 		       'href="%s" type="text/plain; charset=utf-8" />'."\n", | 
 | 		       esc_attr($site_name), href(project=>undef, action=>"project_index")); | 
 | 		printf('<link rel="alternate" title="%s projects feeds" '. | 
 | 		       'href="%s" type="text/x-opml" />'."\n", | 
 | 		       esc_attr($site_name), href(project=>undef, action=>"opml")); | 
 | 	} | 
 | } | 
 |  | 
 | sub print_header_links { | 
 | 	my $status = shift; | 
 |  | 
 | 	# print out each stylesheet that exist, providing backwards capability | 
 | 	# for those people who defined $stylesheet in a config file | 
 | 	if (defined $stylesheet) { | 
 | 		print '<link rel="stylesheet" type="text/css" href="'.esc_url($stylesheet).'"/>'."\n"; | 
 | 	} else { | 
 | 		foreach my $stylesheet (@stylesheets) { | 
 | 			next unless $stylesheet; | 
 | 			print '<link rel="stylesheet" type="text/css" href="'.esc_url($stylesheet).'"/>'."\n"; | 
 | 		} | 
 | 	} | 
 | 	print_feed_meta() | 
 | 		if ($status eq '200 OK'); | 
 | 	if (defined $favicon) { | 
 | 		print qq(<link rel="shortcut icon" href=").esc_url($favicon).qq(" type="image/png" />\n); | 
 | 	} | 
 | } | 
 |  | 
 | sub print_nav_breadcrumbs_path { | 
 | 	my $dirprefix = undef; | 
 | 	while (my $part = shift) { | 
 | 		$dirprefix .= "/" if defined $dirprefix; | 
 | 		$dirprefix .= $part; | 
 | 		print $cgi->a({-href => href(project => undef, | 
 | 		                             project_filter => $dirprefix, | 
 | 		                             action => "project_list")}, | 
 | 			      esc_html($part)) . " / "; | 
 | 	} | 
 | } | 
 |  | 
 | sub print_nav_breadcrumbs { | 
 | 	my %opts = @_; | 
 |  | 
 | 	print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / "; | 
 | 	if (defined $project) { | 
 | 		my @dirname = split '/', $project; | 
 | 		my $projectbasename = pop @dirname; | 
 | 		print_nav_breadcrumbs_path(@dirname); | 
 | 		print $cgi->a({-href => href(action=>"summary")}, esc_html($projectbasename)); | 
 | 		if (defined $action) { | 
 | 			my $action_print = $action ; | 
 | 			if (defined $opts{-action_extra}) { | 
 | 				$action_print = $cgi->a({-href => href(action=>$action)}, | 
 | 					$action); | 
 | 			} | 
 | 			print " / $action_print"; | 
 | 		} | 
 | 		if (defined $opts{-action_extra}) { | 
 | 			print " / $opts{-action_extra}"; | 
 | 		} | 
 | 		print "\n"; | 
 | 	} elsif (defined $project_filter) { | 
 | 		print_nav_breadcrumbs_path(split '/', $project_filter); | 
 | 	} | 
 | } | 
 |  | 
 | sub print_search_form { | 
 | 	if (!defined $searchtext) { | 
 | 		$searchtext = ""; | 
 | 	} | 
 | 	my $search_hash; | 
 | 	if (defined $hash_base) { | 
 | 		$search_hash = $hash_base; | 
 | 	} elsif (defined $hash) { | 
 | 		$search_hash = $hash; | 
 | 	} else { | 
 | 		$search_hash = "HEAD"; | 
 | 	} | 
 | 	my $action = $my_uri; | 
 | 	my $use_pathinfo = gitweb_check_feature('pathinfo'); | 
 | 	if ($use_pathinfo) { | 
 | 		$action .= "/".esc_url($project); | 
 | 	} | 
 | 	print $cgi->startform(-method => "get", -action => $action) . | 
 | 	      "<div class=\"search\">\n" . | 
 | 	      (!$use_pathinfo && | 
 | 	      $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") . | 
 | 	      $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" . | 
 | 	      $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" . | 
 | 	      $cgi->popup_menu(-name => 'st', -default => 'commit', | 
 | 	                       -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) . | 
 | 	      $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) . | 
 | 	      " search:\n", | 
 | 	      $cgi->textfield(-name => "s", -value => $searchtext, -override => 1) . "\n" . | 
 | 	      "<span title=\"Extended regular expression\">" . | 
 | 	      $cgi->checkbox(-name => 'sr', -value => 1, -label => 're', | 
 | 	                     -checked => $search_use_regexp) . | 
 | 	      "</span>" . | 
 | 	      "</div>" . | 
 | 	      $cgi->end_form() . "\n"; | 
 | } | 
 |  | 
 | sub git_header_html { | 
 | 	my $status = shift || "200 OK"; | 
 | 	my $expires = shift; | 
 | 	my %opts = @_; | 
 |  | 
 | 	my $title = get_page_title(); | 
 | 	my $content_type = get_content_type_html(); | 
 | 	print $cgi->header(-type=>$content_type, -charset => 'utf-8', | 
 | 	                   -status=> $status, -expires => $expires) | 
 | 		unless ($opts{'-no_http_header'}); | 
 | 	my $mod_perl_version = $ENV{'MOD_PERL'} ? " $ENV{'MOD_PERL'}" : ''; | 
 | 	print <<EOF; | 
 | <?xml version="1.0" encoding="utf-8"?> | 
 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | 
 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US"> | 
 | <!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke --> | 
 | <!-- git core binaries version $git_version --> | 
 | <head> | 
 | <meta http-equiv="content-type" content="$content_type; charset=utf-8"/> | 
 | <meta name="generator" content="gitweb/$version git/$git_version$mod_perl_version"/> | 
 | <meta name="robots" content="index, nofollow"/> | 
 | <title>$title</title> | 
 | EOF | 
 | 	# the stylesheet, favicon etc urls won't work correctly with path_info | 
 | 	# unless we set the appropriate base URL | 
 | 	if ($ENV{'PATH_INFO'}) { | 
 | 		print "<base href=\"".esc_url($base_url)."\" />\n"; | 
 | 	} | 
 | 	print_header_links($status); | 
 |  | 
 | 	if (defined $site_html_head_string) { | 
 | 		print to_utf8($site_html_head_string); | 
 | 	} | 
 |  | 
 | 	print "</head>\n" . | 
 | 	      "<body>\n"; | 
 |  | 
 | 	if (defined $site_header && -f $site_header) { | 
 | 		insert_file($site_header); | 
 | 	} | 
 |  | 
 | 	print "<div class=\"page_header\">\n"; | 
 | 	if (defined $logo) { | 
 | 		print $cgi->a({-href => esc_url($logo_url), | 
 | 		               -title => $logo_label}, | 
 | 		              $cgi->img({-src => esc_url($logo), | 
 | 		                         -width => 72, -height => 27, | 
 | 		                         -alt => "git", | 
 | 		                         -class => "logo"})); | 
 | 	} | 
 | 	print_nav_breadcrumbs(%opts); | 
 | 	print "</div>\n"; | 
 |  | 
 | 	my $have_search = gitweb_check_feature('search'); | 
 | 	if (defined $project && $have_search) { | 
 | 		print_search_form(); | 
 | 	} | 
 | } | 
 |  | 
 | sub git_footer_html { | 
 | 	my $feed_class = 'rss_logo'; | 
 |  | 
 | 	print "<div class=\"page_footer\">\n"; | 
 | 	if (defined $project) { | 
 | 		my $descr = git_get_project_description($project); | 
 | 		if (defined $descr) { | 
 | 			print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n"; | 
 | 		} | 
 |  | 
 | 		my %href_params = get_feed_info(); | 
 | 		if (!%href_params) { | 
 | 			$feed_class .= ' generic'; | 
 | 		} | 
 | 		$href_params{'-title'} ||= 'log'; | 
 |  | 
 | 		foreach my $format (qw(RSS Atom)) { | 
 | 			$href_params{'action'} = lc($format); | 
 | 			print $cgi->a({-href => href(%href_params), | 
 | 			              -title => "$href_params{'-title'} $format feed", | 
 | 			              -class => $feed_class}, $format)."\n"; | 
 | 		} | 
 |  | 
 | 	} else { | 
 | 		print $cgi->a({-href => href(project=>undef, action=>"opml", | 
 | 		                             project_filter => $project_filter), | 
 | 		              -class => $feed_class}, "OPML") . " "; | 
 | 		print $cgi->a({-href => href(project=>undef, action=>"project_index", | 
 | 		                             project_filter => $project_filter), | 
 | 		              -class => $feed_class}, "TXT") . "\n"; | 
 | 	} | 
 | 	print "</div>\n"; # class="page_footer" | 
 |  | 
 | 	if (defined $t0 && gitweb_check_feature('timed')) { | 
 | 		print "<div id=\"generating_info\">\n"; | 
 | 		print 'This page took '. | 
 | 		      '<span id="generating_time" class="time_span">'. | 
 | 		      tv_interval($t0, [ gettimeofday() ]). | 
 | 		      ' seconds </span>'. | 
 | 		      ' and '. | 
 | 		      '<span id="generating_cmd">'. | 
 | 		      $number_of_git_cmds. | 
 | 		      '</span> git commands '. | 
 | 		      " to generate.\n"; | 
 | 		print "</div>\n"; # class="page_footer" | 
 | 	} | 
 |  | 
 | 	if (defined $site_footer && -f $site_footer) { | 
 | 		insert_file($site_footer); | 
 | 	} | 
 |  | 
 | 	print qq!<script type="text/javascript" src="!.esc_url($javascript).qq!"></script>\n!; | 
 | 	if (defined $action && | 
 | 	    $action eq 'blame_incremental') { | 
 | 		print qq!<script type="text/javascript">\n!. | 
 | 		      qq!startBlame("!. href(action=>"blame_data", -replay=>1) .qq!",\n!. | 
 | 		      qq!           "!. href() .qq!");\n!. | 
 | 		      qq!</script>\n!; | 
 | 	} else { | 
 | 		my ($jstimezone, $tz_cookie, $datetime_class) = | 
 | 			gitweb_get_feature('javascript-timezone'); | 
 |  | 
 | 		print qq!<script type="text/javascript">\n!. | 
 | 		      qq!window.onload = function () {\n!; | 
 | 		if (gitweb_check_feature('javascript-actions')) { | 
 | 			print qq!	fixLinks();\n!; | 
 | 		} | 
 | 		if ($jstimezone && $tz_cookie && $datetime_class) { | 
 | 			print qq!	var tz_cookie = { name: '$tz_cookie', expires: 14, path: '/' };\n!. # in days | 
 | 			      qq!	onloadTZSetup('$jstimezone', tz_cookie, '$datetime_class');\n!; | 
 | 		} | 
 | 		print qq!};\n!. | 
 | 		      qq!</script>\n!; | 
 | 	} | 
 |  | 
 | 	print "</body>\n" . | 
 | 	      "</html>"; | 
 | } | 
 |  | 
 | # die_error(<http_status_code>, <error_message>[, <detailed_html_description>]) | 
 | # Example: die_error(404, 'Hash not found') | 
 | # By convention, use the following status codes (as defined in RFC 2616): | 
 | # 400: Invalid or missing CGI parameters, or | 
 | #      requested object exists but has wrong type. | 
 | # 403: Requested feature (like "pickaxe" or "snapshot") not enabled on | 
 | #      this server or project. | 
 | # 404: Requested object/revision/project doesn't exist. | 
 | # 500: The server isn't configured properly, or | 
 | #      an internal error occurred (e.g. failed assertions caused by bugs), or | 
 | #      an unknown error occurred (e.g. the git binary died unexpectedly). | 
 | # 503: The server is currently unavailable (because it is overloaded, | 
 | #      or down for maintenance).  Generally, this is a temporary state. | 
 | sub die_error { | 
 | 	my $status = shift || 500; | 
 | 	my $error = esc_html(shift) || "Internal Server Error"; | 
 | 	my $extra = shift; | 
 | 	my %opts = @_; | 
 |  | 
 | 	my %http_responses = ( | 
 | 		400 => '400 Bad Request', | 
 | 		403 => '403 Forbidden', | 
 | 		404 => '404 Not Found', | 
 | 		500 => '500 Internal Server Error', | 
 | 		503 => '503 Service Unavailable', | 
 | 	); | 
 | 	git_header_html($http_responses{$status}, undef, %opts); | 
 | 	print <<EOF; | 
 | <div class="page_body"> | 
 | <br /><br /> | 
 | $status - $error | 
 | <br /> | 
 | EOF | 
 | 	if (defined $extra) { | 
 | 		print "<hr />\n" . | 
 | 		      "$extra\n"; | 
 | 	} | 
 | 	print "</div>\n"; | 
 |  | 
 | 	git_footer_html(); | 
 | 	goto DONE_GITWEB | 
 | 		unless ($opts{'-error_handler'}); | 
 | } | 
 |  | 
 | ## ---------------------------------------------------------------------- | 
 | ## functions printing or outputting HTML: navigation | 
 |  | 
 | sub git_print_page_nav { | 
 | 	my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_; | 
 | 	$extra = '' if !defined $extra; # pager or formats | 
 |  | 
 | 	my @navs = qw(summary shortlog log commit commitdiff tree); | 
 | 	if ($suppress) { | 
 | 		@navs = grep { $_ ne $suppress } @navs; | 
 | 	} | 
 |  | 
 | 	my %arg = map { $_ => {action=>$_} } @navs; | 
 | 	if (defined $head) { | 
 | 		for (qw(commit commitdiff)) { | 
 | 			$arg{$_}{'hash'} = $head; | 
 | 		} | 
 | 		if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) { | 
 | 			for (qw(shortlog log)) { | 
 | 				$arg{$_}{'hash'} = $head; | 
 | 			} | 
 | 		} | 
 | 	} | 
 |  | 
 | 	$arg{'tree'}{'hash'} = $treehead if defined $treehead; | 
 | 	$arg{'tree'}{'hash_base'} = $treebase if defined $treebase; | 
 |  | 
 | 	my @actions = gitweb_get_feature('actions'); | 
 | 	my %repl = ( | 
 | 		'%' => '%', | 
 | 		'n' => $project,         # project name | 
 | 		'f' => $git_dir,         # project path within filesystem | 
 | 		'h' => $treehead || '',  # current hash ('h' parameter) | 
 | 		'b' => $treebase || '',  # hash base ('hb' parameter) | 
 | 	); | 
 | 	while (@actions) { | 
 | 		my ($label, $link, $pos) = splice(@actions,0,3); | 
 | 		# insert | 
 | 		@navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs; | 
 | 		# munch munch | 
 | 		$link =~ s/%([%nfhb])/$repl{$1}/g; | 
 | 		$arg{$label}{'_href'} = $link; | 
 | 	} | 
 |  | 
 | 	print "<div class=\"page_nav\">\n" . | 
 | 		(join " | ", | 
 | 		 map { $_ eq $current ? | 
 | 		       $_ : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_") | 
 | 		 } @navs); | 
 | 	print "<br/>\n$extra<br/>\n" . | 
 | 	      "</div>\n"; | 
 | } | 
 |  | 
 | # returns a submenu for the nagivation of the refs views (tags, heads, | 
 | # remotes) with the current view disabled and the remotes view only | 
 | # available if the feature is enabled | 
 | sub format_ref_views { | 
 | 	my ($current) = @_; | 
 | 	my @ref_views = qw{tags heads}; | 
 | 	push @ref_views, 'remotes' if gitweb_check_feature('remote_heads'); | 
 | 	return join " | ", map { | 
 | 		$_ eq $current ? $_ : | 
 | 		$cgi->a({-href => href(action=>$_)}, $_) | 
 | 	} @ref_views | 
 | } | 
 |  | 
 | sub format_paging_nav { | 
 | 	my ($action, $page, $has_next_link) = @_; | 
 | 	my $paging_nav; | 
 |  | 
 |  | 
 | 	if ($page > 0) { | 
 | 		$paging_nav .= | 
 | 			$cgi->a({-href => href(-replay=>1, page=>undef)}, "first") . | 
 | 			" ⋅ " . | 
 | 			$cgi->a({-href => href(-replay=>1, page=>$page-1), | 
 | 			         -accesskey => "p", -title => "Alt-p"}, "prev"); | 
 | 	} else { | 
 | 		$paging_nav .= "first ⋅ prev"; | 
 | 	} | 
 |  | 
 | 	if ($has_next_link) { | 
 | 		$paging_nav .= " ⋅ " . | 
 | 			$cgi->a({-href => href(-replay=>1, page=>$page+1), | 
 | 			         -accesskey => "n", -title => "Alt-n"}, "next"); | 
 | 	} else { | 
 | 		$paging_nav .= " ⋅ next"; | 
 | 	} | 
 |  | 
 | 	return $paging_nav; | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## functions printing or outputting HTML: div | 
 |  | 
 | sub git_print_header_div { | 
 | 	my ($action, $title, $hash, $hash_base) = @_; | 
 | 	my %args = (); | 
 |  | 
 | 	$args{'action'} = $action; | 
 | 	$args{'hash'} = $hash if $hash; | 
 | 	$args{'hash_base'} = $hash_base if $hash_base; | 
 |  | 
 | 	print "<div class=\"header\">\n" . | 
 | 	      $cgi->a({-href => href(%args), -class => "title"}, | 
 | 	      $title ? $title : $action) . | 
 | 	      "\n</div>\n"; | 
 | } | 
 |  | 
 | sub format_repo_url { | 
 | 	my ($name, $url) = @_; | 
 | 	return "<tr class=\"metadata_url\"><td>$name</td><td>$url</td></tr>\n"; | 
 | } | 
 |  | 
 | # Group output by placing it in a DIV element and adding a header. | 
 | # Options for start_div() can be provided by passing a hash reference as the | 
 | # first parameter to the function. | 
 | # Options to git_print_header_div() can be provided by passing an array | 
 | # reference. This must follow the options to start_div if they are present. | 
 | # The content can be a scalar, which is output as-is, a scalar reference, which | 
 | # is output after html escaping, an IO handle passed either as *handle or | 
 | # *handle{IO}, or a function reference. In the latter case all following | 
 | # parameters will be taken as argument to the content function call. | 
 | sub git_print_section { | 
 | 	my ($div_args, $header_args, $content); | 
 | 	my $arg = shift; | 
 | 	if (ref($arg) eq 'HASH') { | 
 | 		$div_args = $arg; | 
 | 		$arg = shift; | 
 | 	} | 
 | 	if (ref($arg) eq 'ARRAY') { | 
 | 		$header_args = $arg; | 
 | 		$arg = shift; | 
 | 	} | 
 | 	$content = $arg; | 
 |  | 
 | 	print $cgi->start_div($div_args); | 
 | 	git_print_header_div(@$header_args); | 
 |  | 
 | 	if (ref($content) eq 'CODE') { | 
 | 		$content->(@_); | 
 | 	} elsif (ref($content) eq 'SCALAR') { | 
 | 		print esc_html($$content); | 
 | 	} elsif (ref($content) eq 'GLOB' or ref($content) eq 'IO::Handle') { | 
 | 		print <$content>; | 
 | 	} elsif (!ref($content) && defined($content)) { | 
 | 		print $content; | 
 | 	} | 
 |  | 
 | 	print $cgi->end_div; | 
 | } | 
 |  | 
 | sub format_timestamp_html { | 
 | 	my $date = shift; | 
 | 	my $strtime = $date->{'rfc2822'}; | 
 |  | 
 | 	my (undef, undef, $datetime_class) = | 
 | 		gitweb_get_feature('javascript-timezone'); | 
 | 	if ($datetime_class) { | 
 | 		$strtime = qq!<span class="$datetime_class">$strtime</span>!; | 
 | 	} | 
 |  | 
 | 	my $localtime_format = '(%02d:%02d %s)'; | 
 | 	if ($date->{'hour_local'} < 6) { | 
 | 		$localtime_format = '(<span class="atnight">%02d:%02d</span> %s)'; | 
 | 	} | 
 | 	$strtime .= ' ' . | 
 | 	            sprintf($localtime_format, | 
 | 	                    $date->{'hour_local'}, $date->{'minute_local'}, $date->{'tz_local'}); | 
 |  | 
 | 	return $strtime; | 
 | } | 
 |  | 
 | # Outputs the author name and date in long form | 
 | sub git_print_authorship { | 
 | 	my $co = shift; | 
 | 	my %opts = @_; | 
 | 	my $tag = $opts{-tag} || 'div'; | 
 | 	my $author = $co->{'author_name'}; | 
 |  | 
 | 	my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'}); | 
 | 	print "<$tag class=\"author_date\">" . | 
 | 	      format_search_author($author, "author", esc_html($author)) . | 
 | 	      " [".format_timestamp_html(\%ad)."]". | 
 | 	      git_get_avatar($co->{'author_email'}, -pad_before => 1) . | 
 | 	      "</$tag>\n"; | 
 | } | 
 |  | 
 | # Outputs table rows containing the full author or committer information, | 
 | # in the format expected for 'commit' view (& similar). | 
 | # Parameters are a commit hash reference, followed by the list of people | 
 | # to output information for. If the list is empty it defaults to both | 
 | # author and committer. | 
 | sub git_print_authorship_rows { | 
 | 	my $co = shift; | 
 | 	# too bad we can't use @people = @_ || ('author', 'committer') | 
 | 	my @people = @_; | 
 | 	@people = ('author', 'committer') unless @people; | 
 | 	foreach my $who (@people) { | 
 | 		my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"}); | 
 | 		print "<tr><td>$who</td><td>" . | 
 | 		      format_search_author($co->{"${who}_name"}, $who, | 
 | 		                           esc_html($co->{"${who}_name"})) . " " . | 
 | 		      format_search_author($co->{"${who}_email"}, $who, | 
 | 		                           esc_html("<" . $co->{"${who}_email"} . ">")) . | 
 | 		      "</td><td rowspan=\"2\">" . | 
 | 		      git_get_avatar($co->{"${who}_email"}, -size => 'double') . | 
 | 		      "</td></tr>\n" . | 
 | 		      "<tr>" . | 
 | 		      "<td></td><td>" . | 
 | 		      format_timestamp_html(\%wd) . | 
 | 		      "</td>" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_print_page_path { | 
 | 	my $name = shift; | 
 | 	my $type = shift; | 
 | 	my $hb = shift; | 
 |  | 
 |  | 
 | 	print "<div class=\"page_path\">"; | 
 | 	print $cgi->a({-href => href(action=>"tree", hash_base=>$hb), | 
 | 	              -title => 'tree root'}, to_utf8("[$project]")); | 
 | 	print " / "; | 
 | 	if (defined $name) { | 
 | 		my @dirname = split '/', $name; | 
 | 		my $basename = pop @dirname; | 
 | 		my $fullname = ''; | 
 |  | 
 | 		foreach my $dir (@dirname) { | 
 | 			$fullname .= ($fullname ? '/' : '') . $dir; | 
 | 			print $cgi->a({-href => href(action=>"tree", file_name=>$fullname, | 
 | 			                             hash_base=>$hb), | 
 | 			              -title => $fullname}, esc_path($dir)); | 
 | 			print " / "; | 
 | 		} | 
 | 		if (defined $type && $type eq 'blob') { | 
 | 			print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name, | 
 | 			                             hash_base=>$hb), | 
 | 			              -title => $name}, esc_path($basename)); | 
 | 		} elsif (defined $type && $type eq 'tree') { | 
 | 			print $cgi->a({-href => href(action=>"tree", file_name=>$file_name, | 
 | 			                             hash_base=>$hb), | 
 | 			              -title => $name}, esc_path($basename)); | 
 | 			print " / "; | 
 | 		} else { | 
 | 			print esc_path($basename); | 
 | 		} | 
 | 	} | 
 | 	print "<br/></div>\n"; | 
 | } | 
 |  | 
 | sub git_print_log { | 
 | 	my $log = shift; | 
 | 	my %opts = @_; | 
 |  | 
 | 	if ($opts{'-remove_title'}) { | 
 | 		# remove title, i.e. first line of log | 
 | 		shift @$log; | 
 | 	} | 
 | 	# remove leading empty lines | 
 | 	while (defined $log->[0] && $log->[0] eq "") { | 
 | 		shift @$log; | 
 | 	} | 
 |  | 
 | 	# print log | 
 | 	my $skip_blank_line = 0; | 
 | 	foreach my $line (@$log) { | 
 | 		if ($line =~ m/^\s*([A-Z][-A-Za-z]*-[Bb]y|C[Cc]): /) { | 
 | 			if (! $opts{'-remove_signoff'}) { | 
 | 				print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n"; | 
 | 				$skip_blank_line = 1; | 
 | 			} | 
 | 			next; | 
 | 		} | 
 |  | 
 | 		if ($line =~ m,\s*([a-z]*link): (https?://\S+),i) { | 
 | 			if (! $opts{'-remove_signoff'}) { | 
 | 				print "<span class=\"signoff\">" . esc_html($1) . ": " . | 
 | 					"<a href=\"" . esc_html($2) . "\">" . esc_html($2) . "</a>" . | 
 | 					"</span><br/>\n"; | 
 | 				$skip_blank_line = 1; | 
 | 			} | 
 | 			next; | 
 | 		} | 
 |  | 
 | 		# print only one empty line | 
 | 		# do not print empty line after signoff | 
 | 		if ($line eq "") { | 
 | 			next if ($skip_blank_line); | 
 | 			$skip_blank_line = 1; | 
 | 		} else { | 
 | 			$skip_blank_line = 0; | 
 | 		} | 
 |  | 
 | 		print format_log_line_html($line) . "<br/>\n"; | 
 | 	} | 
 |  | 
 | 	if ($opts{'-final_empty_line'}) { | 
 | 		# end with single empty line | 
 | 		print "<br/>\n" unless $skip_blank_line; | 
 | 	} | 
 | } | 
 |  | 
 | # return link target (what link points to) | 
 | sub git_get_link_target { | 
 | 	my $hash = shift; | 
 | 	my $link_target; | 
 |  | 
 | 	# read link | 
 | 	open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash | 
 | 		or return; | 
 | 	{ | 
 | 		local $/ = undef; | 
 | 		$link_target = <$fd>; | 
 | 	} | 
 | 	close $fd | 
 | 		or return; | 
 |  | 
 | 	return $link_target; | 
 | } | 
 |  | 
 | # given link target, and the directory (basedir) the link is in, | 
 | # return target of link relative to top directory (top tree); | 
 | # return undef if it is not possible (including absolute links). | 
 | sub normalize_link_target { | 
 | 	my ($link_target, $basedir) = @_; | 
 |  | 
 | 	# absolute symlinks (beginning with '/') cannot be normalized | 
 | 	return if (substr($link_target, 0, 1) eq '/'); | 
 |  | 
 | 	# normalize link target to path from top (root) tree (dir) | 
 | 	my $path; | 
 | 	if ($basedir) { | 
 | 		$path = $basedir . '/' . $link_target; | 
 | 	} else { | 
 | 		# we are in top (root) tree (dir) | 
 | 		$path = $link_target; | 
 | 	} | 
 |  | 
 | 	# remove //, /./, and /../ | 
 | 	my @path_parts; | 
 | 	foreach my $part (split('/', $path)) { | 
 | 		# discard '.' and '' | 
 | 		next if (!$part || $part eq '.'); | 
 | 		# handle '..' | 
 | 		if ($part eq '..') { | 
 | 			if (@path_parts) { | 
 | 				pop @path_parts; | 
 | 			} else { | 
 | 				# link leads outside repository (outside top dir) | 
 | 				return; | 
 | 			} | 
 | 		} else { | 
 | 			push @path_parts, $part; | 
 | 		} | 
 | 	} | 
 | 	$path = join('/', @path_parts); | 
 |  | 
 | 	return $path; | 
 | } | 
 |  | 
 | # print tree entry (row of git_tree), but without encompassing <tr> element | 
 | sub git_print_tree_entry { | 
 | 	my ($t, $basedir, $hash_base, $have_blame) = @_; | 
 |  | 
 | 	my %base_key = (); | 
 | 	$base_key{'hash_base'} = $hash_base if defined $hash_base; | 
 |  | 
 | 	# The format of a table row is: mode list link.  Where mode is | 
 | 	# the mode of the entry, list is the name of the entry, an href, | 
 | 	# and link is the action links of the entry. | 
 |  | 
 | 	print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n"; | 
 | 	if (exists $t->{'size'}) { | 
 | 		print "<td class=\"size\">$t->{'size'}</td>\n"; | 
 | 	} | 
 | 	if ($t->{'type'} eq "blob") { | 
 | 		print "<td class=\"list\">" . | 
 | 			$cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'}, | 
 | 			                       file_name=>"$basedir$t->{'name'}", %base_key), | 
 | 			        -class => "list"}, esc_path($t->{'name'})); | 
 | 		if (S_ISLNK(oct $t->{'mode'})) { | 
 | 			my $link_target = git_get_link_target($t->{'hash'}); | 
 | 			if ($link_target) { | 
 | 				my $norm_target = normalize_link_target($link_target, $basedir); | 
 | 				if (defined $norm_target) { | 
 | 					print " -> " . | 
 | 					      $cgi->a({-href => href(action=>"object", hash_base=>$hash_base, | 
 | 					                             file_name=>$norm_target), | 
 | 					               -title => $norm_target}, esc_path($link_target)); | 
 | 				} else { | 
 | 					print " -> " . esc_path($link_target); | 
 | 				} | 
 | 			} | 
 | 		} | 
 | 		print "</td>\n"; | 
 | 		print "<td class=\"link\">"; | 
 | 		print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'}, | 
 | 		                             file_name=>"$basedir$t->{'name'}", %base_key)}, | 
 | 		              "blob"); | 
 | 		if ($have_blame) { | 
 | 			print " | " . | 
 | 			      $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'}, | 
 | 			                             file_name=>"$basedir$t->{'name'}", %base_key)}, | 
 | 			              "blame"); | 
 | 		} | 
 | 		if (defined $hash_base) { | 
 | 			print " | " . | 
 | 			      $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, | 
 | 			                             hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")}, | 
 | 			              "history"); | 
 | 		} | 
 | 		print " | " . | 
 | 			$cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base, | 
 | 			                       file_name=>"$basedir$t->{'name'}")}, | 
 | 			        "raw"); | 
 | 		print "</td>\n"; | 
 |  | 
 | 	} elsif ($t->{'type'} eq "tree") { | 
 | 		print "<td class=\"list\">"; | 
 | 		print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'}, | 
 | 		                             file_name=>"$basedir$t->{'name'}", | 
 | 		                             %base_key)}, | 
 | 		              esc_path($t->{'name'})); | 
 | 		print "</td>\n"; | 
 | 		print "<td class=\"link\">"; | 
 | 		print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'}, | 
 | 		                             file_name=>"$basedir$t->{'name'}", | 
 | 		                             %base_key)}, | 
 | 		              "tree"); | 
 | 		if (defined $hash_base) { | 
 | 			print " | " . | 
 | 			      $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, | 
 | 			                             file_name=>"$basedir$t->{'name'}")}, | 
 | 			              "history"); | 
 | 		} | 
 | 		print "</td>\n"; | 
 | 	} else { | 
 | 		# unknown object: we can only present history for it | 
 | 		# (this includes 'commit' object, i.e. submodule support) | 
 | 		print "<td class=\"list\">" . | 
 | 		      esc_path($t->{'name'}) . | 
 | 		      "</td>\n"; | 
 | 		print "<td class=\"link\">"; | 
 | 		if (defined $hash_base) { | 
 | 			print $cgi->a({-href => href(action=>"history", | 
 | 			                             hash_base=>$hash_base, | 
 | 			                             file_name=>"$basedir$t->{'name'}")}, | 
 | 			              "history"); | 
 | 		} | 
 | 		print "</td>\n"; | 
 | 	} | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## functions printing large fragments of HTML | 
 |  | 
 | # get pre-image filenames for merge (combined) diff | 
 | sub fill_from_file_info { | 
 | 	my ($diff, @parents) = @_; | 
 |  | 
 | 	$diff->{'from_file'} = [ ]; | 
 | 	$diff->{'from_file'}[$diff->{'nparents'} - 1] = undef; | 
 | 	for (my $i = 0; $i < $diff->{'nparents'}; $i++) { | 
 | 		if ($diff->{'status'}[$i] eq 'R' || | 
 | 		    $diff->{'status'}[$i] eq 'C') { | 
 | 			$diff->{'from_file'}[$i] = | 
 | 				git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return $diff; | 
 | } | 
 |  | 
 | # is current raw difftree line of file deletion | 
 | sub is_deleted { | 
 | 	my $diffinfo = shift; | 
 |  | 
 | 	return $diffinfo->{'to_id'} eq ('0' x 40); | 
 | } | 
 |  | 
 | # does patch correspond to [previous] difftree raw line | 
 | # $diffinfo  - hashref of parsed raw diff format | 
 | # $patchinfo - hashref of parsed patch diff format | 
 | #              (the same keys as in $diffinfo) | 
 | sub is_patch_split { | 
 | 	my ($diffinfo, $patchinfo) = @_; | 
 |  | 
 | 	return defined $diffinfo && defined $patchinfo | 
 | 		&& $diffinfo->{'to_file'} eq $patchinfo->{'to_file'}; | 
 | } | 
 |  | 
 |  | 
 | sub git_difftree_body { | 
 | 	my ($difftree, $hash, @parents) = @_; | 
 | 	my ($parent) = $parents[0]; | 
 | 	my $have_blame = gitweb_check_feature('blame'); | 
 | 	print "<div class=\"list_head\">\n"; | 
 | 	if ($#{$difftree} > 10) { | 
 | 		print(($#{$difftree} + 1) . " files changed:\n"); | 
 | 	} | 
 | 	print "</div>\n"; | 
 |  | 
 | 	print "<table class=\"" . | 
 | 	      (@parents > 1 ? "combined " : "") . | 
 | 	      "diff_tree\">\n"; | 
 |  | 
 | 	# header only for combined diff in 'commitdiff' view | 
 | 	my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff'; | 
 | 	if ($has_header) { | 
 | 		# table header | 
 | 		print "<thead><tr>\n" . | 
 | 		       "<th></th><th></th>\n"; # filename, patchN link | 
 | 		for (my $i = 0; $i < @parents; $i++) { | 
 | 			my $par = $parents[$i]; | 
 | 			print "<th>" . | 
 | 			      $cgi->a({-href => href(action=>"commitdiff", | 
 | 			                             hash=>$hash, hash_parent=>$par), | 
 | 			               -title => 'commitdiff to parent number ' . | 
 | 			                          ($i+1) . ': ' . substr($par,0,7)}, | 
 | 			              $i+1) . | 
 | 			      " </th>\n"; | 
 | 		} | 
 | 		print "</tr></thead>\n<tbody>\n"; | 
 | 	} | 
 |  | 
 | 	my $alternate = 1; | 
 | 	my $patchno = 0; | 
 | 	foreach my $line (@{$difftree}) { | 
 | 		my $diff = parsed_difftree_line($line); | 
 |  | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 |  | 
 | 		if (exists $diff->{'nparents'}) { # combined diff | 
 |  | 
 | 			fill_from_file_info($diff, @parents) | 
 | 				unless exists $diff->{'from_file'}; | 
 |  | 
 | 			if (!is_deleted($diff)) { | 
 | 				# file exists in the result (child) commit | 
 | 				print "<td>" . | 
 | 				      $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, | 
 | 				                             file_name=>$diff->{'to_file'}, | 
 | 				                             hash_base=>$hash), | 
 | 				              -class => "list"}, esc_path($diff->{'to_file'})) . | 
 | 				      "</td>\n"; | 
 | 			} else { | 
 | 				print "<td>" . | 
 | 				      esc_path($diff->{'to_file'}) . | 
 | 				      "</td>\n"; | 
 | 			} | 
 |  | 
 | 			if ($action eq 'commitdiff') { | 
 | 				# link to patch | 
 | 				$patchno++; | 
 | 				print "<td class=\"link\">" . | 
 | 				      $cgi->a({-href => href(-anchor=>"patch$patchno")}, | 
 | 				              "patch") . | 
 | 				      " | " . | 
 | 				      "</td>\n"; | 
 | 			} | 
 |  | 
 | 			my $has_history = 0; | 
 | 			my $not_deleted = 0; | 
 | 			for (my $i = 0; $i < $diff->{'nparents'}; $i++) { | 
 | 				my $hash_parent = $parents[$i]; | 
 | 				my $from_hash = $diff->{'from_id'}[$i]; | 
 | 				my $from_path = $diff->{'from_file'}[$i]; | 
 | 				my $status = $diff->{'status'}[$i]; | 
 |  | 
 | 				$has_history ||= ($status ne 'A'); | 
 | 				$not_deleted ||= ($status ne 'D'); | 
 |  | 
 | 				if ($status eq 'A') { | 
 | 					print "<td  class=\"link\" align=\"right\"> | </td>\n"; | 
 | 				} elsif ($status eq 'D') { | 
 | 					print "<td class=\"link\">" . | 
 | 					      $cgi->a({-href => href(action=>"blob", | 
 | 					                             hash_base=>$hash, | 
 | 					                             hash=>$from_hash, | 
 | 					                             file_name=>$from_path)}, | 
 | 					              "blob" . ($i+1)) . | 
 | 					      " | </td>\n"; | 
 | 				} else { | 
 | 					if ($diff->{'to_id'} eq $from_hash) { | 
 | 						print "<td class=\"link nochange\">"; | 
 | 					} else { | 
 | 						print "<td class=\"link\">"; | 
 | 					} | 
 | 					print $cgi->a({-href => href(action=>"blobdiff", | 
 | 					                             hash=>$diff->{'to_id'}, | 
 | 					                             hash_parent=>$from_hash, | 
 | 					                             hash_base=>$hash, | 
 | 					                             hash_parent_base=>$hash_parent, | 
 | 					                             file_name=>$diff->{'to_file'}, | 
 | 					                             file_parent=>$from_path)}, | 
 | 					              "diff" . ($i+1)) . | 
 | 					      " | </td>\n"; | 
 | 				} | 
 | 			} | 
 |  | 
 | 			print "<td class=\"link\">"; | 
 | 			if ($not_deleted) { | 
 | 				print $cgi->a({-href => href(action=>"blob", | 
 | 				                             hash=>$diff->{'to_id'}, | 
 | 				                             file_name=>$diff->{'to_file'}, | 
 | 				                             hash_base=>$hash)}, | 
 | 				              "blob"); | 
 | 				print " | " if ($has_history); | 
 | 			} | 
 | 			if ($has_history) { | 
 | 				print $cgi->a({-href => href(action=>"history", | 
 | 				                             file_name=>$diff->{'to_file'}, | 
 | 				                             hash_base=>$hash)}, | 
 | 				              "history"); | 
 | 			} | 
 | 			print "</td>\n"; | 
 |  | 
 | 			print "</tr>\n"; | 
 | 			next; # instead of 'else' clause, to avoid extra indent | 
 | 		} | 
 | 		# else ordinary diff | 
 |  | 
 | 		my ($to_mode_oct, $to_mode_str, $to_file_type); | 
 | 		my ($from_mode_oct, $from_mode_str, $from_file_type); | 
 | 		if ($diff->{'to_mode'} ne ('0' x 6)) { | 
 | 			$to_mode_oct = oct $diff->{'to_mode'}; | 
 | 			if (S_ISREG($to_mode_oct)) { # only for regular file | 
 | 				$to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits | 
 | 			} | 
 | 			$to_file_type = file_type($diff->{'to_mode'}); | 
 | 		} | 
 | 		if ($diff->{'from_mode'} ne ('0' x 6)) { | 
 | 			$from_mode_oct = oct $diff->{'from_mode'}; | 
 | 			if (S_ISREG($from_mode_oct)) { # only for regular file | 
 | 				$from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits | 
 | 			} | 
 | 			$from_file_type = file_type($diff->{'from_mode'}); | 
 | 		} | 
 |  | 
 | 		if ($diff->{'status'} eq "A") { # created | 
 | 			my $mode_chng = "<span class=\"file_status new\">[new $to_file_type"; | 
 | 			$mode_chng   .= " with mode: $to_mode_str" if $to_mode_str; | 
 | 			$mode_chng   .= "]</span>"; | 
 | 			print "<td>"; | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, | 
 | 			                             hash_base=>$hash, file_name=>$diff->{'file'}), | 
 | 			              -class => "list"}, esc_path($diff->{'file'})); | 
 | 			print "</td>\n"; | 
 | 			print "<td>$mode_chng</td>\n"; | 
 | 			print "<td class=\"link\">"; | 
 | 			if ($action eq 'commitdiff') { | 
 | 				# link to patch | 
 | 				$patchno++; | 
 | 				print $cgi->a({-href => href(-anchor=>"patch$patchno")}, | 
 | 				              "patch") . | 
 | 				      " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, | 
 | 			                             hash_base=>$hash, file_name=>$diff->{'file'})}, | 
 | 			              "blob"); | 
 | 			print "</td>\n"; | 
 |  | 
 | 		} elsif ($diff->{'status'} eq "D") { # deleted | 
 | 			my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>"; | 
 | 			print "<td>"; | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'}, | 
 | 			                             hash_base=>$parent, file_name=>$diff->{'file'}), | 
 | 			               -class => "list"}, esc_path($diff->{'file'})); | 
 | 			print "</td>\n"; | 
 | 			print "<td>$mode_chng</td>\n"; | 
 | 			print "<td class=\"link\">"; | 
 | 			if ($action eq 'commitdiff') { | 
 | 				# link to patch | 
 | 				$patchno++; | 
 | 				print $cgi->a({-href => href(-anchor=>"patch$patchno")}, | 
 | 				              "patch") . | 
 | 				      " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'}, | 
 | 			                             hash_base=>$parent, file_name=>$diff->{'file'})}, | 
 | 			              "blob") . " | "; | 
 | 			if ($have_blame) { | 
 | 				print $cgi->a({-href => href(action=>"blame", hash_base=>$parent, | 
 | 				                             file_name=>$diff->{'file'})}, | 
 | 				              "blame") . " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"history", hash_base=>$parent, | 
 | 			                             file_name=>$diff->{'file'})}, | 
 | 			              "history"); | 
 | 			print "</td>\n"; | 
 |  | 
 | 		} elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed | 
 | 			my $mode_chnge = ""; | 
 | 			if ($diff->{'from_mode'} != $diff->{'to_mode'}) { | 
 | 				$mode_chnge = "<span class=\"file_status mode_chnge\">[changed"; | 
 | 				if ($from_file_type ne $to_file_type) { | 
 | 					$mode_chnge .= " from $from_file_type to $to_file_type"; | 
 | 				} | 
 | 				if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) { | 
 | 					if ($from_mode_str && $to_mode_str) { | 
 | 						$mode_chnge .= " mode: $from_mode_str->$to_mode_str"; | 
 | 					} elsif ($to_mode_str) { | 
 | 						$mode_chnge .= " mode: $to_mode_str"; | 
 | 					} | 
 | 				} | 
 | 				$mode_chnge .= "]</span>\n"; | 
 | 			} | 
 | 			print "<td>"; | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, | 
 | 			                             hash_base=>$hash, file_name=>$diff->{'file'}), | 
 | 			              -class => "list"}, esc_path($diff->{'file'})); | 
 | 			print "</td>\n"; | 
 | 			print "<td>$mode_chnge</td>\n"; | 
 | 			print "<td class=\"link\">"; | 
 | 			if ($action eq 'commitdiff') { | 
 | 				# link to patch | 
 | 				$patchno++; | 
 | 				print $cgi->a({-href => href(-anchor=>"patch$patchno")}, | 
 | 				              "patch") . | 
 | 				      " | "; | 
 | 			} elsif ($diff->{'to_id'} ne $diff->{'from_id'}) { | 
 | 				# "commit" view and modified file (not onlu mode changed) | 
 | 				print $cgi->a({-href => href(action=>"blobdiff", | 
 | 				                             hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'}, | 
 | 				                             hash_base=>$hash, hash_parent_base=>$parent, | 
 | 				                             file_name=>$diff->{'file'})}, | 
 | 				              "diff") . | 
 | 				      " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, | 
 | 			                             hash_base=>$hash, file_name=>$diff->{'file'})}, | 
 | 			               "blob") . " | "; | 
 | 			if ($have_blame) { | 
 | 				print $cgi->a({-href => href(action=>"blame", hash_base=>$hash, | 
 | 				                             file_name=>$diff->{'file'})}, | 
 | 				              "blame") . " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"history", hash_base=>$hash, | 
 | 			                             file_name=>$diff->{'file'})}, | 
 | 			              "history"); | 
 | 			print "</td>\n"; | 
 |  | 
 | 		} elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied | 
 | 			my %status_name = ('R' => 'moved', 'C' => 'copied'); | 
 | 			my $nstatus = $status_name{$diff->{'status'}}; | 
 | 			my $mode_chng = ""; | 
 | 			if ($diff->{'from_mode'} != $diff->{'to_mode'}) { | 
 | 				# mode also for directories, so we cannot use $to_mode_str | 
 | 				$mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777); | 
 | 			} | 
 | 			print "<td>" . | 
 | 			      $cgi->a({-href => href(action=>"blob", hash_base=>$hash, | 
 | 			                             hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}), | 
 | 			              -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" . | 
 | 			      "<td><span class=\"file_status $nstatus\">[$nstatus from " . | 
 | 			      $cgi->a({-href => href(action=>"blob", hash_base=>$parent, | 
 | 			                             hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}), | 
 | 			              -class => "list"}, esc_path($diff->{'from_file'})) . | 
 | 			      " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" . | 
 | 			      "<td class=\"link\">"; | 
 | 			if ($action eq 'commitdiff') { | 
 | 				# link to patch | 
 | 				$patchno++; | 
 | 				print $cgi->a({-href => href(-anchor=>"patch$patchno")}, | 
 | 				              "patch") . | 
 | 				      " | "; | 
 | 			} elsif ($diff->{'to_id'} ne $diff->{'from_id'}) { | 
 | 				# "commit" view and modified file (not only pure rename or copy) | 
 | 				print $cgi->a({-href => href(action=>"blobdiff", | 
 | 				                             hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'}, | 
 | 				                             hash_base=>$hash, hash_parent_base=>$parent, | 
 | 				                             file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})}, | 
 | 				              "diff") . | 
 | 				      " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, | 
 | 			                             hash_base=>$parent, file_name=>$diff->{'to_file'})}, | 
 | 			              "blob") . " | "; | 
 | 			if ($have_blame) { | 
 | 				print $cgi->a({-href => href(action=>"blame", hash_base=>$hash, | 
 | 				                             file_name=>$diff->{'to_file'})}, | 
 | 				              "blame") . " | "; | 
 | 			} | 
 | 			print $cgi->a({-href => href(action=>"history", hash_base=>$hash, | 
 | 			                            file_name=>$diff->{'to_file'})}, | 
 | 			              "history"); | 
 | 			print "</td>\n"; | 
 |  | 
 | 		} # we should not encounter Unmerged (U) or Unknown (X) status | 
 | 		print "</tr>\n"; | 
 | 	} | 
 | 	print "</tbody>" if $has_header; | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | # Print context lines and then rem/add lines in a side-by-side manner. | 
 | sub print_sidebyside_diff_lines { | 
 | 	my ($ctx, $rem, $add) = @_; | 
 |  | 
 | 	# print context block before add/rem block | 
 | 	if (@$ctx) { | 
 | 		print join '', | 
 | 			'<div class="chunk_block ctx">', | 
 | 				'<div class="old">', | 
 | 				@$ctx, | 
 | 				'</div>', | 
 | 				'<div class="new">', | 
 | 				@$ctx, | 
 | 				'</div>', | 
 | 			'</div>'; | 
 | 	} | 
 |  | 
 | 	if (!@$add) { | 
 | 		# pure removal | 
 | 		print join '', | 
 | 			'<div class="chunk_block rem">', | 
 | 				'<div class="old">', | 
 | 				@$rem, | 
 | 				'</div>', | 
 | 			'</div>'; | 
 | 	} elsif (!@$rem) { | 
 | 		# pure addition | 
 | 		print join '', | 
 | 			'<div class="chunk_block add">', | 
 | 				'<div class="new">', | 
 | 				@$add, | 
 | 				'</div>', | 
 | 			'</div>'; | 
 | 	} else { | 
 | 		print join '', | 
 | 			'<div class="chunk_block chg">', | 
 | 				'<div class="old">', | 
 | 				@$rem, | 
 | 				'</div>', | 
 | 				'<div class="new">', | 
 | 				@$add, | 
 | 				'</div>', | 
 | 			'</div>'; | 
 | 	} | 
 | } | 
 |  | 
 | # Print context lines and then rem/add lines in inline manner. | 
 | sub print_inline_diff_lines { | 
 | 	my ($ctx, $rem, $add) = @_; | 
 |  | 
 | 	print @$ctx, @$rem, @$add; | 
 | } | 
 |  | 
 | # Format removed and added line, mark changed part and HTML-format them. | 
 | # Implementation is based on contrib/diff-highlight | 
 | sub format_rem_add_lines_pair { | 
 | 	my ($rem, $add, $num_parents) = @_; | 
 |  | 
 | 	# We need to untabify lines before split()'ing them; | 
 | 	# otherwise offsets would be invalid. | 
 | 	chomp $rem; | 
 | 	chomp $add; | 
 | 	$rem = untabify($rem); | 
 | 	$add = untabify($add); | 
 |  | 
 | 	my @rem = split(//, $rem); | 
 | 	my @add = split(//, $add); | 
 | 	my ($esc_rem, $esc_add); | 
 | 	# Ignore leading +/- characters for each parent. | 
 | 	my ($prefix_len, $suffix_len) = ($num_parents, 0); | 
 | 	my ($prefix_has_nonspace, $suffix_has_nonspace); | 
 |  | 
 | 	my $shorter = (@rem < @add) ? @rem : @add; | 
 | 	while ($prefix_len < $shorter) { | 
 | 		last if ($rem[$prefix_len] ne $add[$prefix_len]); | 
 |  | 
 | 		$prefix_has_nonspace = 1 if ($rem[$prefix_len] !~ /\s/); | 
 | 		$prefix_len++; | 
 | 	} | 
 |  | 
 | 	while ($prefix_len + $suffix_len < $shorter) { | 
 | 		last if ($rem[-1 - $suffix_len] ne $add[-1 - $suffix_len]); | 
 |  | 
 | 		$suffix_has_nonspace = 1 if ($rem[-1 - $suffix_len] !~ /\s/); | 
 | 		$suffix_len++; | 
 | 	} | 
 |  | 
 | 	# Mark lines that are different from each other, but have some common | 
 | 	# part that isn't whitespace.  If lines are completely different, don't | 
 | 	# mark them because that would make output unreadable, especially if | 
 | 	# diff consists of multiple lines. | 
 | 	if ($prefix_has_nonspace || $suffix_has_nonspace) { | 
 | 		$esc_rem = esc_html_hl_regions($rem, 'marked', | 
 | 		        [$prefix_len, @rem - $suffix_len], -nbsp=>1); | 
 | 		$esc_add = esc_html_hl_regions($add, 'marked', | 
 | 		        [$prefix_len, @add - $suffix_len], -nbsp=>1); | 
 | 	} else { | 
 | 		$esc_rem = esc_html($rem, -nbsp=>1); | 
 | 		$esc_add = esc_html($add, -nbsp=>1); | 
 | 	} | 
 |  | 
 | 	return format_diff_line(\$esc_rem, 'rem'), | 
 | 	       format_diff_line(\$esc_add, 'add'); | 
 | } | 
 |  | 
 | # HTML-format diff context, removed and added lines. | 
 | sub format_ctx_rem_add_lines { | 
 | 	my ($ctx, $rem, $add, $num_parents) = @_; | 
 | 	my (@new_ctx, @new_rem, @new_add); | 
 | 	my $can_highlight = 0; | 
 | 	my $is_combined = ($num_parents > 1); | 
 |  | 
 | 	# Highlight if every removed line has a corresponding added line. | 
 | 	if (@$add > 0 && @$add == @$rem) { | 
 | 		$can_highlight = 1; | 
 |  | 
 | 		# Highlight lines in combined diff only if the chunk contains | 
 | 		# diff between the same version, e.g. | 
 | 		# | 
 | 		#    - a | 
 | 		#   -  b | 
 | 		#    + c | 
 | 		#   +  d | 
 | 		# | 
 | 		# Otherwise the highlightling would be confusing. | 
 | 		if ($is_combined) { | 
 | 			for (my $i = 0; $i < @$add; $i++) { | 
 | 				my $prefix_rem = substr($rem->[$i], 0, $num_parents); | 
 | 				my $prefix_add = substr($add->[$i], 0, $num_parents); | 
 |  | 
 | 				$prefix_rem =~ s/-/+/g; | 
 |  | 
 | 				if ($prefix_rem ne $prefix_add) { | 
 | 					$can_highlight = 0; | 
 | 					last; | 
 | 				} | 
 | 			} | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if ($can_highlight) { | 
 | 		for (my $i = 0; $i < @$add; $i++) { | 
 | 			my ($line_rem, $line_add) = format_rem_add_lines_pair( | 
 | 			        $rem->[$i], $add->[$i], $num_parents); | 
 | 			push @new_rem, $line_rem; | 
 | 			push @new_add, $line_add; | 
 | 		} | 
 | 	} else { | 
 | 		@new_rem = map { format_diff_line($_, 'rem') } @$rem; | 
 | 		@new_add = map { format_diff_line($_, 'add') } @$add; | 
 | 	} | 
 |  | 
 | 	@new_ctx = map { format_diff_line($_, 'ctx') } @$ctx; | 
 |  | 
 | 	return (\@new_ctx, \@new_rem, \@new_add); | 
 | } | 
 |  | 
 | # Print context lines and then rem/add lines. | 
 | sub print_diff_lines { | 
 | 	my ($ctx, $rem, $add, $diff_style, $num_parents) = @_; | 
 | 	my $is_combined = $num_parents > 1; | 
 |  | 
 | 	($ctx, $rem, $add) = format_ctx_rem_add_lines($ctx, $rem, $add, | 
 | 	        $num_parents); | 
 |  | 
 | 	if ($diff_style eq 'sidebyside' && !$is_combined) { | 
 | 		print_sidebyside_diff_lines($ctx, $rem, $add); | 
 | 	} else { | 
 | 		# default 'inline' style and unknown styles | 
 | 		print_inline_diff_lines($ctx, $rem, $add); | 
 | 	} | 
 | } | 
 |  | 
 | sub print_diff_chunk { | 
 | 	my ($diff_style, $num_parents, $from, $to, @chunk) = @_; | 
 | 	my (@ctx, @rem, @add); | 
 |  | 
 | 	# The class of the previous line. | 
 | 	my $prev_class = ''; | 
 |  | 
 | 	return unless @chunk; | 
 |  | 
 | 	# incomplete last line might be among removed or added lines, | 
 | 	# or both, or among context lines: find which | 
 | 	for (my $i = 1; $i < @chunk; $i++) { | 
 | 		if ($chunk[$i][0] eq 'incomplete') { | 
 | 			$chunk[$i][0] = $chunk[$i-1][0]; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# guardian | 
 | 	push @chunk, ["", ""]; | 
 |  | 
 | 	foreach my $line_info (@chunk) { | 
 | 		my ($class, $line) = @$line_info; | 
 |  | 
 | 		# print chunk headers | 
 | 		if ($class && $class eq 'chunk_header') { | 
 | 			print format_diff_line($line, $class, $from, $to); | 
 | 			next; | 
 | 		} | 
 |  | 
 | 		## print from accumulator when have some add/rem lines or end | 
 | 		# of chunk (flush context lines), or when have add and rem | 
 | 		# lines and new block is reached (otherwise add/rem lines could | 
 | 		# be reordered) | 
 | 		if (!$class || ((@rem || @add) && $class eq 'ctx') || | 
 | 		    (@rem && @add && $class ne $prev_class)) { | 
 | 			print_diff_lines(\@ctx, \@rem, \@add, | 
 | 		                         $diff_style, $num_parents); | 
 | 			@ctx = @rem = @add = (); | 
 | 		} | 
 |  | 
 | 		## adding lines to accumulator | 
 | 		# guardian value | 
 | 		last unless $line; | 
 | 		# rem, add or change | 
 | 		if ($class eq 'rem') { | 
 | 			push @rem, $line; | 
 | 		} elsif ($class eq 'add') { | 
 | 			push @add, $line; | 
 | 		} | 
 | 		# context line | 
 | 		if ($class eq 'ctx') { | 
 | 			push @ctx, $line; | 
 | 		} | 
 |  | 
 | 		$prev_class = $class; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_patchset_body { | 
 | 	my ($fd, $diff_style, $difftree, $hash, @hash_parents) = @_; | 
 | 	my ($hash_parent) = $hash_parents[0]; | 
 |  | 
 | 	my $is_combined = (@hash_parents > 1); | 
 | 	my $patch_idx = 0; | 
 | 	my $patch_number = 0; | 
 | 	my $patch_line; | 
 | 	my $diffinfo; | 
 | 	my $to_name; | 
 | 	my (%from, %to); | 
 | 	my @chunk; # for side-by-side diff | 
 |  | 
 | 	print "<div class=\"patchset\">\n"; | 
 |  | 
 | 	# skip to first patch | 
 | 	while ($patch_line = <$fd>) { | 
 | 		chomp $patch_line; | 
 |  | 
 | 		last if ($patch_line =~ m/^diff /); | 
 | 	} | 
 |  | 
 |  PATCH: | 
 | 	while ($patch_line) { | 
 |  | 
 | 		# parse "git diff" header line | 
 | 		if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) { | 
 | 			# $1 is from_name, which we do not use | 
 | 			$to_name = unquote($2); | 
 | 			$to_name =~ s!^b/!!; | 
 | 		} elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) { | 
 | 			# $1 is 'cc' or 'combined', which we do not use | 
 | 			$to_name = unquote($2); | 
 | 		} else { | 
 | 			$to_name = undef; | 
 | 		} | 
 |  | 
 | 		# check if current patch belong to current raw line | 
 | 		# and parse raw git-diff line if needed | 
 | 		if (is_patch_split($diffinfo, { 'to_file' => $to_name })) { | 
 | 			# this is continuation of a split patch | 
 | 			print "<div class=\"patch cont\">\n"; | 
 | 		} else { | 
 | 			# advance raw git-diff output if needed | 
 | 			$patch_idx++ if defined $diffinfo; | 
 |  | 
 | 			# read and prepare patch information | 
 | 			$diffinfo = parsed_difftree_line($difftree->[$patch_idx]); | 
 |  | 
 | 			# compact combined diff output can have some patches skipped | 
 | 			# find which patch (using pathname of result) we are at now; | 
 | 			if ($is_combined) { | 
 | 				while ($to_name ne $diffinfo->{'to_file'}) { | 
 | 					print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" . | 
 | 					      format_diff_cc_simplified($diffinfo, @hash_parents) . | 
 | 					      "</div>\n";  # class="patch" | 
 |  | 
 | 					$patch_idx++; | 
 | 					$patch_number++; | 
 |  | 
 | 					last if $patch_idx > $#$difftree; | 
 | 					$diffinfo = parsed_difftree_line($difftree->[$patch_idx]); | 
 | 				} | 
 | 			} | 
 |  | 
 | 			# modifies %from, %to hashes | 
 | 			parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents); | 
 |  | 
 | 			# this is first patch for raw difftree line with $patch_idx index | 
 | 			# we index @$difftree array from 0, but number patches from 1 | 
 | 			print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n"; | 
 | 		} | 
 |  | 
 | 		# git diff header | 
 | 		#assert($patch_line =~ m/^diff /) if DEBUG; | 
 | 		#assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed | 
 | 		$patch_number++; | 
 | 		# print "git diff" header | 
 | 		print format_git_diff_header_line($patch_line, $diffinfo, | 
 | 		                                  \%from, \%to); | 
 |  | 
 | 		# print extended diff header | 
 | 		print "<div class=\"diff extended_header\">\n"; | 
 | 	EXTENDED_HEADER: | 
 | 		while ($patch_line = <$fd>) { | 
 | 			chomp $patch_line; | 
 |  | 
 | 			last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /); | 
 |  | 
 | 			print format_extended_diff_header_line($patch_line, $diffinfo, | 
 | 			                                       \%from, \%to); | 
 | 		} | 
 | 		print "</div>\n"; # class="diff extended_header" | 
 |  | 
 | 		# from-file/to-file diff header | 
 | 		if (! $patch_line) { | 
 | 			print "</div>\n"; # class="patch" | 
 | 			last PATCH; | 
 | 		} | 
 | 		next PATCH if ($patch_line =~ m/^diff /); | 
 | 		#assert($patch_line =~ m/^---/) if DEBUG; | 
 |  | 
 | 		my $last_patch_line = $patch_line; | 
 | 		$patch_line = <$fd>; | 
 | 		chomp $patch_line; | 
 | 		#assert($patch_line =~ m/^\+\+\+/) if DEBUG; | 
 |  | 
 | 		print format_diff_from_to_header($last_patch_line, $patch_line, | 
 | 		                                 $diffinfo, \%from, \%to, | 
 | 		                                 @hash_parents); | 
 |  | 
 | 		# the patch itself | 
 | 	LINE: | 
 | 		while ($patch_line = <$fd>) { | 
 | 			chomp $patch_line; | 
 |  | 
 | 			next PATCH if ($patch_line =~ m/^diff /); | 
 |  | 
 | 			my $class = diff_line_class($patch_line, \%from, \%to); | 
 |  | 
 | 			if ($class eq 'chunk_header') { | 
 | 				print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk); | 
 | 				@chunk = (); | 
 | 			} | 
 |  | 
 | 			push @chunk, [ $class, $patch_line ]; | 
 | 		} | 
 |  | 
 | 	} continue { | 
 | 		if (@chunk) { | 
 | 			print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk); | 
 | 			@chunk = (); | 
 | 		} | 
 | 		print "</div>\n"; # class="patch" | 
 | 	} | 
 |  | 
 | 	# for compact combined (--cc) format, with chunk and patch simplification | 
 | 	# the patchset might be empty, but there might be unprocessed raw lines | 
 | 	for (++$patch_idx if $patch_number > 0; | 
 | 	     $patch_idx < @$difftree; | 
 | 	     ++$patch_idx) { | 
 | 		# read and prepare patch information | 
 | 		$diffinfo = parsed_difftree_line($difftree->[$patch_idx]); | 
 |  | 
 | 		# generate anchor for "patch" links in difftree / whatchanged part | 
 | 		print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" . | 
 | 		      format_diff_cc_simplified($diffinfo, @hash_parents) . | 
 | 		      "</div>\n";  # class="patch" | 
 |  | 
 | 		$patch_number++; | 
 | 	} | 
 |  | 
 | 	if ($patch_number == 0) { | 
 | 		if (@hash_parents > 1) { | 
 | 			print "<div class=\"diff nodifferences\">Trivial merge</div>\n"; | 
 | 		} else { | 
 | 			print "<div class=\"diff nodifferences\">No differences found</div>\n"; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	print "</div>\n"; # class="patchset" | 
 | } | 
 |  | 
 | # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 
 |  | 
 | sub git_project_search_form { | 
 | 	my ($searchtext, $search_use_regexp) = @_; | 
 |  | 
 | 	my $limit = ''; | 
 | 	if ($project_filter) { | 
 | 		$limit = " in '$project_filter/'"; | 
 | 	} | 
 |  | 
 | 	print "<div class=\"projsearch\">\n"; | 
 | 	print $cgi->startform(-method => 'get', -action => $my_uri) . | 
 | 	      $cgi->hidden(-name => 'a', -value => 'project_list')  . "\n"; | 
 | 	print $cgi->hidden(-name => 'pf', -value => $project_filter). "\n" | 
 | 		if (defined $project_filter); | 
 | 	print $cgi->textfield(-name => 's', -value => $searchtext, | 
 | 	                      -title => "Search project by name and description$limit", | 
 | 	                      -size => 60) . "\n" . | 
 | 	      "<span title=\"Extended regular expression\">" . | 
 | 	      $cgi->checkbox(-name => 'sr', -value => 1, -label => 're', | 
 | 	                     -checked => $search_use_regexp) . | 
 | 	      "</span>\n" . | 
 | 	      $cgi->submit(-name => 'btnS', -value => 'Search') . | 
 | 	      $cgi->end_form() . "\n" . | 
 | 	      $cgi->a({-href => href(project => undef, searchtext => undef, | 
 | 	                             project_filter => $project_filter)}, | 
 | 	              esc_html("List all projects$limit")) . "<br />\n"; | 
 | 	print "</div>\n"; | 
 | } | 
 |  | 
 | # entry for given @keys needs filling if at least one of keys in list | 
 | # is not present in %$project_info | 
 | sub project_info_needs_filling { | 
 | 	my ($project_info, @keys) = @_; | 
 |  | 
 | 	# return List::MoreUtils::any { !exists $project_info->{$_} } @keys; | 
 | 	foreach my $key (@keys) { | 
 | 		if (!exists $project_info->{$key}) { | 
 | 			return 1; | 
 | 		} | 
 | 	} | 
 | 	return; | 
 | } | 
 |  | 
 | # fills project list info (age, description, owner, category, forks, etc.) | 
 | # for each project in the list, removing invalid projects from | 
 | # returned list, or fill only specified info. | 
 | # | 
 | # Invalid projects are removed from the returned list if and only if you | 
 | # ask 'age' or 'age_string' to be filled, because they are the only fields | 
 | # that run unconditionally git command that requires repository, and | 
 | # therefore do always check if project repository is invalid. | 
 | # | 
 | # USAGE: | 
 | # * fill_project_list_info(\@project_list, 'descr_long', 'ctags') | 
 | #   ensures that 'descr_long' and 'ctags' fields are filled | 
 | # * @project_list = fill_project_list_info(\@project_list) | 
 | #   ensures that all fields are filled (and invalid projects removed) | 
 | # | 
 | # NOTE: modifies $projlist, but does not remove entries from it | 
 | sub fill_project_list_info { | 
 | 	my ($projlist, @wanted_keys) = @_; | 
 | 	my @projects; | 
 | 	my $filter_set = sub { return @_; }; | 
 | 	if (@wanted_keys) { | 
 | 		my %wanted_keys = map { $_ => 1 } @wanted_keys; | 
 | 		$filter_set = sub { return grep { $wanted_keys{$_} } @_; }; | 
 | 	} | 
 |  | 
 | 	my $show_ctags = gitweb_check_feature('ctags'); | 
 |  PROJECT: | 
 | 	foreach my $pr (@$projlist) { | 
 | 		if (project_info_needs_filling($pr, $filter_set->('age', 'age_string'))) { | 
 | 			my (@activity) = git_get_last_activity($pr->{'path'}); | 
 | 			unless (@activity) { | 
 | 				next PROJECT; | 
 | 			} | 
 | 			($pr->{'age'}, $pr->{'age_string'}) = @activity; | 
 | 		} | 
 | 		if (project_info_needs_filling($pr, $filter_set->('descr', 'descr_long'))) { | 
 | 			my $descr = git_get_project_description($pr->{'path'}) || ""; | 
 | 			$descr = to_utf8($descr); | 
 | 			$pr->{'descr_long'} = $descr; | 
 | 			$pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5); | 
 | 		} | 
 | 		if (project_info_needs_filling($pr, $filter_set->('owner'))) { | 
 | 			$pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || ""; | 
 | 		} | 
 | 		if ($show_ctags && | 
 | 		    project_info_needs_filling($pr, $filter_set->('ctags'))) { | 
 | 			$pr->{'ctags'} = git_get_project_ctags($pr->{'path'}); | 
 | 		} | 
 | 		if ($projects_list_group_categories && | 
 | 		    project_info_needs_filling($pr, $filter_set->('category'))) { | 
 | 			my $cat = git_get_project_category($pr->{'path'}) || | 
 | 			                                   $project_list_default_category; | 
 | 			$pr->{'category'} = to_utf8($cat); | 
 | 		} | 
 |  | 
 | 		push @projects, $pr; | 
 | 	} | 
 |  | 
 | 	return @projects; | 
 | } | 
 |  | 
 | sub sort_projects_list { | 
 | 	my ($projlist, $order) = @_; | 
 |  | 
 | 	sub order_str { | 
 | 		my $key = shift; | 
 | 		return sub { $a->{$key} cmp $b->{$key} }; | 
 | 	} | 
 |  | 
 | 	sub order_num_then_undef { | 
 | 		my $key = shift; | 
 | 		return sub { | 
 | 			defined $a->{$key} ? | 
 | 				(defined $b->{$key} ? $a->{$key} <=> $b->{$key} : -1) : | 
 | 				(defined $b->{$key} ? 1 : 0) | 
 | 		}; | 
 | 	} | 
 |  | 
 | 	my %orderings = ( | 
 | 		project => order_str('path'), | 
 | 		descr => order_str('descr_long'), | 
 | 		owner => order_str('owner'), | 
 | 		age => order_num_then_undef('age'), | 
 | 	); | 
 |  | 
 | 	my $ordering = $orderings{$order}; | 
 | 	return defined $ordering ? sort $ordering @$projlist : @$projlist; | 
 | } | 
 |  | 
 | # returns a hash of categories, containing the list of project | 
 | # belonging to each category | 
 | sub build_projlist_by_category { | 
 | 	my ($projlist, $from, $to) = @_; | 
 | 	my %categories; | 
 |  | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#$projlist if (!defined $to || $#$projlist < $to); | 
 |  | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my $pr = $projlist->[$i]; | 
 | 		push @{$categories{ $pr->{'category'} }}, $pr; | 
 | 	} | 
 |  | 
 | 	return wantarray ? %categories : \%categories; | 
 | } | 
 |  | 
 | # print 'sort by' <th> element, generating 'sort by $name' replay link | 
 | # if that order is not selected | 
 | sub print_sort_th { | 
 | 	print format_sort_th(@_); | 
 | } | 
 |  | 
 | sub format_sort_th { | 
 | 	my ($name, $order, $header) = @_; | 
 | 	my $sort_th = ""; | 
 | 	$header ||= ucfirst($name); | 
 |  | 
 | 	if ($order eq $name) { | 
 | 		$sort_th .= "<th>$header</th>\n"; | 
 | 	} else { | 
 | 		$sort_th .= "<th>" . | 
 | 		            $cgi->a({-href => href(-replay=>1, order=>$name), | 
 | 		                     -class => "header"}, $header) . | 
 | 		            "</th>\n"; | 
 | 	} | 
 |  | 
 | 	return $sort_th; | 
 | } | 
 |  | 
 | sub git_project_list_rows { | 
 | 	my ($projlist, $from, $to, $check_forks) = @_; | 
 |  | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#$projlist if (!defined $to || $#$projlist < $to); | 
 |  | 
 | 	my $alternate = 1; | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my $pr = $projlist->[$i]; | 
 |  | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 |  | 
 | 		if ($check_forks) { | 
 | 			print "<td>"; | 
 | 			if ($pr->{'forks'}) { | 
 | 				my $nforks = scalar @{$pr->{'forks'}}; | 
 | 				if ($nforks > 0) { | 
 | 					print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"), | 
 | 					               -title => "$nforks forks"}, "+"); | 
 | 				} else { | 
 | 					print $cgi->span({-title => "$nforks forks"}, "+"); | 
 | 				} | 
 | 			} | 
 | 			print "</td>\n"; | 
 | 		} | 
 | 		print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"), | 
 | 		                        -class => "list"}, | 
 | 		                       esc_html_match_hl($pr->{'path'}, $search_regexp)) . | 
 | 		      "</td>\n" . | 
 | 		      "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"), | 
 | 		                        -class => "list", | 
 | 		                        -title => $pr->{'descr_long'}}, | 
 | 		                        $search_regexp | 
 | 		                        ? esc_html_match_hl_chopped($pr->{'descr_long'}, | 
 | 		                                                    $pr->{'descr'}, $search_regexp) | 
 | 		                        : esc_html($pr->{'descr'})) . | 
 | 		      "</td>\n"; | 
 | 		unless ($omit_owner) { | 
 | 		        print "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n"; | 
 | 		} | 
 | 		unless ($omit_age_column) { | 
 | 		        print "<td class=\"". age_class($pr->{'age'}) . "\">" . | 
 | 		            (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n"; | 
 | 		} | 
 | 		print"<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " . | 
 | 		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " . | 
 | 		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " . | 
 | 		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") . | 
 | 		      ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') . | 
 | 		      "</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_project_list_body { | 
 | 	# actually uses global variable $project | 
 | 	my ($projlist, $order, $from, $to, $extra, $no_header) = @_; | 
 | 	my @projects = @$projlist; | 
 |  | 
 | 	my $check_forks = gitweb_check_feature('forks'); | 
 | 	my $show_ctags  = gitweb_check_feature('ctags'); | 
 | 	my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef; | 
 | 	$check_forks = undef | 
 | 		if ($tagfilter || $search_regexp); | 
 |  | 
 | 	# filtering out forks before filling info allows to do less work | 
 | 	@projects = filter_forks_from_projects_list(\@projects) | 
 | 		if ($check_forks); | 
 | 	# search_projects_list pre-fills required info | 
 | 	@projects = search_projects_list(\@projects, | 
 | 	                                 'search_regexp' => $search_regexp, | 
 | 	                                 'tagfilter'  => $tagfilter) | 
 | 		if ($tagfilter || $search_regexp); | 
 | 	# fill the rest | 
 | 	my @all_fields = ('descr', 'descr_long', 'ctags', 'category'); | 
 | 	push @all_fields, ('age', 'age_string') unless($omit_age_column); | 
 | 	push @all_fields, 'owner' unless($omit_owner); | 
 | 	@projects = fill_project_list_info(\@projects, @all_fields); | 
 |  | 
 | 	$order ||= $default_projects_order; | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#projects if (!defined $to || $#projects < $to); | 
 |  | 
 | 	# short circuit | 
 | 	if ($from > $to) { | 
 | 		print "<center>\n". | 
 | 		      "<b>No such projects found</b><br />\n". | 
 | 		      "Click ".$cgi->a({-href=>href(project=>undef)},"here")." to view all projects<br />\n". | 
 | 		      "</center>\n<br />\n"; | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	@projects = sort_projects_list(\@projects, $order); | 
 |  | 
 | 	if ($show_ctags) { | 
 | 		my $ctags = git_gather_all_ctags(\@projects); | 
 | 		my $cloud = git_populate_project_tagcloud($ctags); | 
 | 		print git_show_project_tagcloud($cloud, 64); | 
 | 	} | 
 |  | 
 | 	print "<table class=\"project_list\">\n"; | 
 | 	unless ($no_header) { | 
 | 		print "<tr>\n"; | 
 | 		if ($check_forks) { | 
 | 			print "<th></th>\n"; | 
 | 		} | 
 | 		print_sort_th('project', $order, 'Project'); | 
 | 		print_sort_th('descr', $order, 'Description'); | 
 | 		print_sort_th('owner', $order, 'Owner') unless $omit_owner; | 
 | 		print_sort_th('age', $order, 'Last Change') unless $omit_age_column; | 
 | 		print "<th></th>\n" . # for links | 
 | 		      "</tr>\n"; | 
 | 	} | 
 |  | 
 | 	if ($projects_list_group_categories) { | 
 | 		# only display categories with projects in the $from-$to window | 
 | 		@projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to]; | 
 | 		my %categories = build_projlist_by_category(\@projects, $from, $to); | 
 | 		foreach my $cat (sort keys %categories) { | 
 | 			unless ($cat eq "") { | 
 | 				print "<tr>\n"; | 
 | 				if ($check_forks) { | 
 | 					print "<td></td>\n"; | 
 | 				} | 
 | 				print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n"; | 
 | 				print "</tr>\n"; | 
 | 			} | 
 |  | 
 | 			git_project_list_rows($categories{$cat}, undef, undef, $check_forks); | 
 | 		} | 
 | 	} else { | 
 | 		git_project_list_rows(\@projects, $from, $to, $check_forks); | 
 | 	} | 
 |  | 
 | 	if (defined $extra) { | 
 | 		print "<tr>\n"; | 
 | 		if ($check_forks) { | 
 | 			print "<td></td>\n"; | 
 | 		} | 
 | 		print "<td colspan=\"5\">$extra</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | sub git_log_body { | 
 | 	# uses global variable $project | 
 | 	my ($commitlist, $from, $to, $refs, $extra) = @_; | 
 |  | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to); | 
 |  | 
 | 	for (my $i = 0; $i <= $to; $i++) { | 
 | 		my %co = %{$commitlist->[$i]}; | 
 | 		next if !%co; | 
 | 		my $commit = $co{'id'}; | 
 | 		my $ref = format_ref_marker($refs, $commit); | 
 | 		git_print_header_div('commit', | 
 | 		               "<span class=\"age\">$co{'age_string'}</span>" . | 
 | 		               esc_html($co{'title'}) . $ref, | 
 | 		               $commit); | 
 | 		print "<div class=\"title_text\">\n" . | 
 | 		      "<div class=\"log_link\">\n" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . | 
 | 		      " | " . | 
 | 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . | 
 | 		      " | " . | 
 | 		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") . | 
 | 		      "<br/>\n" . | 
 | 		      "</div>\n"; | 
 | 		      git_print_authorship(\%co, -tag => 'span'); | 
 | 		      print "<br/>\n</div>\n"; | 
 |  | 
 | 		print "<div class=\"log_body\">\n"; | 
 | 		git_print_log($co{'comment'}, -final_empty_line=> 1); | 
 | 		print "</div>\n"; | 
 | 	} | 
 | 	if ($extra) { | 
 | 		print "<div class=\"page_nav\">\n"; | 
 | 		print "$extra\n"; | 
 | 		print "</div>\n"; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_shortlog_body { | 
 | 	# uses global variable $project | 
 | 	my ($commitlist, $from, $to, $refs, $extra) = @_; | 
 |  | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to); | 
 |  | 
 | 	print "<table class=\"shortlog\">\n"; | 
 | 	my $alternate = 1; | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my %co = %{$commitlist->[$i]}; | 
 | 		my $commit = $co{'id'}; | 
 | 		my $ref = format_ref_marker($refs, $commit); | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 | 		# git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" . | 
 | 		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . | 
 | 		      format_author_html('td', \%co, 10) . "<td>"; | 
 | 		print format_subject_html($co{'title'}, $co{'title_short'}, | 
 | 		                          href(action=>"commit", hash=>$commit), $ref); | 
 | 		print "</td>\n" . | 
 | 		      "<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " . | 
 | 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " . | 
 | 		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree"); | 
 | 		my $snapshot_links = format_snapshot_links($commit); | 
 | 		if (defined $snapshot_links) { | 
 | 			print " | " . $snapshot_links; | 
 | 		} | 
 | 		print "</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	if (defined $extra) { | 
 | 		print "<tr>\n" . | 
 | 		      "<td colspan=\"4\">$extra</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | sub git_history_body { | 
 | 	# Warning: assumes constant type (blob or tree) during history | 
 | 	my ($commitlist, $from, $to, $refs, $extra, | 
 | 	    $file_name, $file_hash, $ftype) = @_; | 
 |  | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist}); | 
 |  | 
 | 	print "<table class=\"history\">\n"; | 
 | 	my $alternate = 1; | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my %co = %{$commitlist->[$i]}; | 
 | 		if (!%co) { | 
 | 			next; | 
 | 		} | 
 | 		my $commit = $co{'id'}; | 
 |  | 
 | 		my $ref = format_ref_marker($refs, $commit); | 
 |  | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 | 		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . | 
 | 	# shortlog:   format_author_html('td', \%co, 10) | 
 | 		      format_author_html('td', \%co, 15, 3) . "<td>"; | 
 | 		# originally git_history used chop_str($co{'title'}, 50) | 
 | 		print format_subject_html($co{'title'}, $co{'title_short'}, | 
 | 		                          href(action=>"commit", hash=>$commit), $ref); | 
 | 		print "</td>\n" . | 
 | 		      "<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " . | 
 | 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff"); | 
 |  | 
 | 		if ($ftype eq 'blob') { | 
 | 			my $blob_current = $file_hash; | 
 | 			my $blob_parent  = git_get_hash_by_path($commit, $file_name); | 
 | 			if (defined $blob_current && defined $blob_parent && | 
 | 					$blob_current ne $blob_parent) { | 
 | 				print " | " . | 
 | 					$cgi->a({-href => href(action=>"blobdiff", | 
 | 					                       hash=>$blob_current, hash_parent=>$blob_parent, | 
 | 					                       hash_base=>$hash_base, hash_parent_base=>$commit, | 
 | 					                       file_name=>$file_name)}, | 
 | 					        "diff to current"); | 
 | 			} | 
 | 		} | 
 | 		print "</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	if (defined $extra) { | 
 | 		print "<tr>\n" . | 
 | 		      "<td colspan=\"4\">$extra</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | sub git_tags_body { | 
 | 	# uses global variable $project | 
 | 	my ($taglist, $from, $to, $extra) = @_; | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#{$taglist} if (!defined $to || $#{$taglist} < $to); | 
 |  | 
 | 	print "<table class=\"tags\">\n"; | 
 | 	my $alternate = 1; | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my $entry = $taglist->[$i]; | 
 | 		my %tag = %$entry; | 
 | 		my $comment = $tag{'subject'}; | 
 | 		my $comment_short; | 
 | 		if (defined $comment) { | 
 | 			$comment_short = chop_str($comment, 30, 5); | 
 | 		} | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 | 		if (defined $tag{'age'}) { | 
 | 			print "<td><i>$tag{'age'}</i></td>\n"; | 
 | 		} else { | 
 | 			print "<td></td>\n"; | 
 | 		} | 
 | 		print "<td>" . | 
 | 		      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}), | 
 | 		               -class => "list name"}, esc_html($tag{'name'})) . | 
 | 		      "</td>\n" . | 
 | 		      "<td>"; | 
 | 		if (defined $comment) { | 
 | 			print format_subject_html($comment, $comment_short, | 
 | 			                          href(action=>"tag", hash=>$tag{'id'})); | 
 | 		} | 
 | 		print "</td>\n" . | 
 | 		      "<td class=\"selflink\">"; | 
 | 		if ($tag{'type'} eq "tag") { | 
 | 			print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag"); | 
 | 		} else { | 
 | 			print " "; | 
 | 		} | 
 | 		print "</td>\n" . | 
 | 		      "<td class=\"link\">" . " | " . | 
 | 		      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'}); | 
 | 		if ($tag{'reftype'} eq "commit") { | 
 | 			print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") . | 
 | 			      " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log"); | 
 | 		} elsif ($tag{'reftype'} eq "blob") { | 
 | 			print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw"); | 
 | 		} | 
 | 		print "</td>\n" . | 
 | 		      "</tr>"; | 
 | 	} | 
 | 	if (defined $extra) { | 
 | 		print "<tr>\n" . | 
 | 		      "<td colspan=\"5\">$extra</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | sub git_heads_body { | 
 | 	# uses global variable $project | 
 | 	my ($headlist, $head_at, $from, $to, $extra) = @_; | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#{$headlist} if (!defined $to || $#{$headlist} < $to); | 
 |  | 
 | 	print "<table class=\"heads\">\n"; | 
 | 	my $alternate = 1; | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my $entry = $headlist->[$i]; | 
 | 		my %ref = %$entry; | 
 | 		my $curr = defined $head_at && $ref{'id'} eq $head_at; | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 | 		print "<td><i>$ref{'age'}</i></td>\n" . | 
 | 		      ($curr ? "<td class=\"current_head\">" : "<td>") . | 
 | 		      $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}), | 
 | 		               -class => "list name"},esc_html($ref{'name'})) . | 
 | 		      "</td>\n" . | 
 | 		      "<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " . | 
 | 		      $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " . | 
 | 		      $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'fullname'})}, "tree") . | 
 | 		      "</td>\n" . | 
 | 		      "</tr>"; | 
 | 	} | 
 | 	if (defined $extra) { | 
 | 		print "<tr>\n" . | 
 | 		      "<td colspan=\"3\">$extra</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | # Display a single remote block | 
 | sub git_remote_block { | 
 | 	my ($remote, $rdata, $limit, $head) = @_; | 
 |  | 
 | 	my $heads = $rdata->{'heads'}; | 
 | 	my $fetch = $rdata->{'fetch'}; | 
 | 	my $push = $rdata->{'push'}; | 
 |  | 
 | 	my $urls_table = "<table class=\"projects_list\">\n" ; | 
 |  | 
 | 	if (defined $fetch) { | 
 | 		if ($fetch eq $push) { | 
 | 			$urls_table .= format_repo_url("URL", $fetch); | 
 | 		} else { | 
 | 			$urls_table .= format_repo_url("Fetch URL", $fetch); | 
 | 			$urls_table .= format_repo_url("Push URL", $push) if defined $push; | 
 | 		} | 
 | 	} elsif (defined $push) { | 
 | 		$urls_table .= format_repo_url("Push URL", $push); | 
 | 	} else { | 
 | 		$urls_table .= format_repo_url("", "No remote URL"); | 
 | 	} | 
 |  | 
 | 	$urls_table .= "</table>\n"; | 
 |  | 
 | 	my $dots; | 
 | 	if (defined $limit && $limit < @$heads) { | 
 | 		$dots = $cgi->a({-href => href(action=>"remotes", hash=>$remote)}, "..."); | 
 | 	} | 
 |  | 
 | 	print $urls_table; | 
 | 	git_heads_body($heads, $head, 0, $limit, $dots); | 
 | } | 
 |  | 
 | # Display a list of remote names with the respective fetch and push URLs | 
 | sub git_remotes_list { | 
 | 	my ($remotedata, $limit) = @_; | 
 | 	print "<table class=\"heads\">\n"; | 
 | 	my $alternate = 1; | 
 | 	my @remotes = sort keys %$remotedata; | 
 |  | 
 | 	my $limited = $limit && $limit < @remotes; | 
 |  | 
 | 	$#remotes = $limit - 1 if $limited; | 
 |  | 
 | 	while (my $remote = shift @remotes) { | 
 | 		my $rdata = $remotedata->{$remote}; | 
 | 		my $fetch = $rdata->{'fetch'}; | 
 | 		my $push = $rdata->{'push'}; | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 | 		print "<td>" . | 
 | 		      $cgi->a({-href=> href(action=>'remotes', hash=>$remote), | 
 | 			       -class=> "list name"},esc_html($remote)) . | 
 | 		      "</td>"; | 
 | 		print "<td class=\"link\">" . | 
 | 		      (defined $fetch ? $cgi->a({-href=> $fetch}, "fetch") : "fetch") . | 
 | 		      " | " . | 
 | 		      (defined $push ? $cgi->a({-href=> $push}, "push") : "push") . | 
 | 		      "</td>"; | 
 |  | 
 | 		print "</tr>\n"; | 
 | 	} | 
 |  | 
 | 	if ($limited) { | 
 | 		print "<tr>\n" . | 
 | 		      "<td colspan=\"3\">" . | 
 | 		      $cgi->a({-href => href(action=>"remotes")}, "...") . | 
 | 		      "</td>\n" . "</tr>\n"; | 
 | 	} | 
 |  | 
 | 	print "</table>"; | 
 | } | 
 |  | 
 | # Display remote heads grouped by remote, unless there are too many | 
 | # remotes, in which case we only display the remote names | 
 | sub git_remotes_body { | 
 | 	my ($remotedata, $limit, $head) = @_; | 
 | 	if ($limit and $limit < keys %$remotedata) { | 
 | 		git_remotes_list($remotedata, $limit); | 
 | 	} else { | 
 | 		fill_remote_heads($remotedata); | 
 | 		while (my ($remote, $rdata) = each %$remotedata) { | 
 | 			git_print_section({-class=>"remote", -id=>$remote}, | 
 | 				["remotes", $remote, $remote], sub { | 
 | 					git_remote_block($remote, $rdata, $limit, $head); | 
 | 				}); | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | sub git_search_message { | 
 | 	my %co = @_; | 
 |  | 
 | 	my $greptype; | 
 | 	if ($searchtype eq 'commit') { | 
 | 		$greptype = "--grep="; | 
 | 	} elsif ($searchtype eq 'author') { | 
 | 		$greptype = "--author="; | 
 | 	} elsif ($searchtype eq 'committer') { | 
 | 		$greptype = "--committer="; | 
 | 	} | 
 | 	$greptype .= $searchtext; | 
 | 	my @commitlist = parse_commits($hash, 101, (100 * $page), undef, | 
 | 	                               $greptype, '--regexp-ignore-case', | 
 | 	                               $search_use_regexp ? '--extended-regexp' : '--fixed-strings'); | 
 |  | 
 | 	my $paging_nav = ''; | 
 | 	if ($page > 0) { | 
 | 		$paging_nav .= | 
 | 			$cgi->a({-href => href(-replay=>1, page=>undef)}, | 
 | 			        "first") . | 
 | 			" ⋅ " . | 
 | 			$cgi->a({-href => href(-replay=>1, page=>$page-1), | 
 | 			         -accesskey => "p", -title => "Alt-p"}, "prev"); | 
 | 	} else { | 
 | 		$paging_nav .= "first ⋅ prev"; | 
 | 	} | 
 | 	my $next_link = ''; | 
 | 	if ($#commitlist >= 100) { | 
 | 		$next_link = | 
 | 			$cgi->a({-href => href(-replay=>1, page=>$page+1), | 
 | 			         -accesskey => "n", -title => "Alt-n"}, "next"); | 
 | 		$paging_nav .= " ⋅ $next_link"; | 
 | 	} else { | 
 | 		$paging_nav .= " ⋅ next"; | 
 | 	} | 
 |  | 
 | 	git_header_html(); | 
 |  | 
 | 	git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav); | 
 | 	git_print_header_div('commit', esc_html($co{'title'}), $hash); | 
 | 	if ($page == 0 && !@commitlist) { | 
 | 		print "<p>No match.</p>\n"; | 
 | 	} else { | 
 | 		git_search_grep_body(\@commitlist, 0, 99, $next_link); | 
 | 	} | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_search_changes { | 
 | 	my %co = @_; | 
 |  | 
 | 	local $/ = "\n"; | 
 | 	open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts, | 
 | 		'--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext", | 
 | 		($search_use_regexp ? '--pickaxe-regex' : ()) | 
 | 			or die_error(500, "Open git-log failed"); | 
 |  | 
 | 	git_header_html(); | 
 |  | 
 | 	git_print_page_nav('','', $hash,$co{'tree'},$hash); | 
 | 	git_print_header_div('commit', esc_html($co{'title'}), $hash); | 
 |  | 
 | 	print "<table class=\"pickaxe search\">\n"; | 
 | 	my $alternate = 1; | 
 | 	undef %co; | 
 | 	my @files; | 
 | 	while (my $line = <$fd>) { | 
 | 		chomp $line; | 
 | 		next unless $line; | 
 |  | 
 | 		my %set = parse_difftree_raw_line($line); | 
 | 		if (defined $set{'commit'}) { | 
 | 			# finish previous commit | 
 | 			if (%co) { | 
 | 				print "</td>\n" . | 
 | 				      "<td class=\"link\">" . | 
 | 				      $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, | 
 | 				              "commit") . | 
 | 				      " | " . | 
 | 				      $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, | 
 | 				                             hash_base=>$co{'id'})}, | 
 | 				              "tree") . | 
 | 				      "</td>\n" . | 
 | 				      "</tr>\n"; | 
 | 			} | 
 |  | 
 | 			if ($alternate) { | 
 | 				print "<tr class=\"dark\">\n"; | 
 | 			} else { | 
 | 				print "<tr class=\"light\">\n"; | 
 | 			} | 
 | 			$alternate ^= 1; | 
 | 			%co = parse_commit($set{'commit'}); | 
 | 			my $author = chop_and_escape_str($co{'author_name'}, 15, 5); | 
 | 			print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . | 
 | 			      "<td><i>$author</i></td>\n" . | 
 | 			      "<td>" . | 
 | 			      $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), | 
 | 			              -class => "list subject"}, | 
 | 			              chop_and_escape_str($co{'title'}, 50) . "<br/>"); | 
 | 		} elsif (defined $set{'to_id'}) { | 
 | 			next if ($set{'to_id'} =~ m/^0{40}$/); | 
 |  | 
 | 			print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'}, | 
 | 			                             hash=>$set{'to_id'}, file_name=>$set{'to_file'}), | 
 | 			              -class => "list"}, | 
 | 			              "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") . | 
 | 			      "<br/>\n"; | 
 | 		} | 
 | 	} | 
 | 	close $fd; | 
 |  | 
 | 	# finish last commit (warning: repetition!) | 
 | 	if (%co) { | 
 | 		print "</td>\n" . | 
 | 		      "<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, | 
 | 		              "commit") . | 
 | 		      " | " . | 
 | 		      $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, | 
 | 		                             hash_base=>$co{'id'})}, | 
 | 		              "tree") . | 
 | 		      "</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 |  | 
 | 	print "</table>\n"; | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_search_files { | 
 | 	my %co = @_; | 
 |  | 
 | 	local $/ = "\n"; | 
 | 	open my $fd, "-|", git_cmd(), 'grep', '-n', '-z', | 
 | 		$search_use_regexp ? ('-E', '-i') : '-F', | 
 | 		$searchtext, $co{'tree'} | 
 | 			or die_error(500, "Open git-grep failed"); | 
 |  | 
 | 	git_header_html(); | 
 |  | 
 | 	git_print_page_nav('','', $hash,$co{'tree'},$hash); | 
 | 	git_print_header_div('commit', esc_html($co{'title'}), $hash); | 
 |  | 
 | 	print "<table class=\"grep_search\">\n"; | 
 | 	my $alternate = 1; | 
 | 	my $matches = 0; | 
 | 	my $lastfile = ''; | 
 | 	my $file_href; | 
 | 	while (my $line = <$fd>) { | 
 | 		chomp $line; | 
 | 		my ($file, $lno, $ltext, $binary); | 
 | 		last if ($matches++ > 1000); | 
 | 		if ($line =~ /^Binary file (.+) matches$/) { | 
 | 			$file = $1; | 
 | 			$binary = 1; | 
 | 		} else { | 
 | 			($file, $lno, $ltext) = split(/\0/, $line, 3); | 
 | 			$file =~ s/^$co{'tree'}://; | 
 | 		} | 
 | 		if ($file ne $lastfile) { | 
 | 			$lastfile and print "</td></tr>\n"; | 
 | 			if ($alternate++) { | 
 | 				print "<tr class=\"dark\">\n"; | 
 | 			} else { | 
 | 				print "<tr class=\"light\">\n"; | 
 | 			} | 
 | 			$file_href = href(action=>"blob", hash_base=>$co{'id'}, | 
 | 			                  file_name=>$file); | 
 | 			print "<td class=\"list\">". | 
 | 				$cgi->a({-href => $file_href, -class => "list"}, esc_path($file)); | 
 | 			print "</td><td>\n"; | 
 | 			$lastfile = $file; | 
 | 		} | 
 | 		if ($binary) { | 
 | 			print "<div class=\"binary\">Binary file</div>\n"; | 
 | 		} else { | 
 | 			$ltext = untabify($ltext); | 
 | 			if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) { | 
 | 				$ltext = esc_html($1, -nbsp=>1); | 
 | 				$ltext .= '<span class="match">'; | 
 | 				$ltext .= esc_html($2, -nbsp=>1); | 
 | 				$ltext .= '</span>'; | 
 | 				$ltext .= esc_html($3, -nbsp=>1); | 
 | 			} else { | 
 | 				$ltext = esc_html($ltext, -nbsp=>1); | 
 | 			} | 
 | 			print "<div class=\"pre\">" . | 
 | 				$cgi->a({-href => $file_href.'#l'.$lno, | 
 | 				        -class => "linenr"}, sprintf('%4i', $lno)) . | 
 | 				' ' .  $ltext . "</div>\n"; | 
 | 		} | 
 | 	} | 
 | 	if ($lastfile) { | 
 | 		print "</td></tr>\n"; | 
 | 		if ($matches > 1000) { | 
 | 			print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n"; | 
 | 		} | 
 | 	} else { | 
 | 		print "<div class=\"diff nodifferences\">No matches found</div>\n"; | 
 | 	} | 
 | 	close $fd; | 
 |  | 
 | 	print "</table>\n"; | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_search_grep_body { | 
 | 	my ($commitlist, $from, $to, $extra) = @_; | 
 | 	$from = 0 unless defined $from; | 
 | 	$to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to); | 
 |  | 
 | 	print "<table class=\"commit_search\">\n"; | 
 | 	my $alternate = 1; | 
 | 	for (my $i = $from; $i <= $to; $i++) { | 
 | 		my %co = %{$commitlist->[$i]}; | 
 | 		if (!%co) { | 
 | 			next; | 
 | 		} | 
 | 		my $commit = $co{'id'}; | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 | 		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . | 
 | 		      format_author_html('td', \%co, 15, 5) . | 
 | 		      "<td>" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), | 
 | 		               -class => "list subject"}, | 
 | 		              chop_and_escape_str($co{'title'}, 50) . "<br/>"); | 
 | 		my $comment = $co{'comment'}; | 
 | 		foreach my $line (@$comment) { | 
 | 			if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) { | 
 | 				my ($lead, $match, $trail) = ($1, $2, $3); | 
 | 				$match = chop_str($match, 70, 5, 'center'); | 
 | 				my $contextlen = int((80 - length($match))/2); | 
 | 				$contextlen = 30 if ($contextlen > 30); | 
 | 				$lead  = chop_str($lead,  $contextlen, 10, 'left'); | 
 | 				$trail = chop_str($trail, $contextlen, 10, 'right'); | 
 |  | 
 | 				$lead  = esc_html($lead); | 
 | 				$match = esc_html($match); | 
 | 				$trail = esc_html($trail); | 
 |  | 
 | 				print "$lead<span class=\"match\">$match</span>$trail<br />"; | 
 | 			} | 
 | 		} | 
 | 		print "</td>\n" . | 
 | 		      "<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") . | 
 | 		      " | " . | 
 | 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") . | 
 | 		      " | " . | 
 | 		      $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree"); | 
 | 		print "</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	if (defined $extra) { | 
 | 		print "<tr>\n" . | 
 | 		      "<td colspan=\"3\">$extra</td>\n" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n"; | 
 | } | 
 |  | 
 | ## ====================================================================== | 
 | ## ====================================================================== | 
 | ## actions | 
 |  | 
 | sub git_project_list { | 
 | 	my $order = $input_params{'order'}; | 
 | 	if (defined $order && $order !~ m/none|project|descr|owner|age/) { | 
 | 		die_error(400, "Unknown order parameter"); | 
 | 	} | 
 |  | 
 | 	my @list = git_get_projects_list($project_filter, $strict_export); | 
 | 	if (!@list) { | 
 | 		die_error(404, "No projects found"); | 
 | 	} | 
 |  | 
 | 	git_header_html(); | 
 | 	if (defined $home_text && -f $home_text) { | 
 | 		print "<div class=\"index_include\">\n"; | 
 | 		insert_file($home_text); | 
 | 		print "</div>\n"; | 
 | 	} | 
 |  | 
 | 	git_project_search_form($searchtext, $search_use_regexp); | 
 | 	git_project_list_body(\@list, $order); | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_forks { | 
 | 	my $order = $input_params{'order'}; | 
 | 	if (defined $order && $order !~ m/none|project|descr|owner|age/) { | 
 | 		die_error(400, "Unknown order parameter"); | 
 | 	} | 
 |  | 
 | 	my $filter = $project; | 
 | 	$filter =~ s/\.git$//; | 
 | 	my @list = git_get_projects_list($filter); | 
 | 	if (!@list) { | 
 | 		die_error(404, "No forks found"); | 
 | 	} | 
 |  | 
 | 	git_header_html(); | 
 | 	git_print_page_nav('',''); | 
 | 	git_print_header_div('summary', "$project forks"); | 
 | 	git_project_list_body(\@list, $order); | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_project_index { | 
 | 	my @projects = git_get_projects_list($project_filter, $strict_export); | 
 | 	if (!@projects) { | 
 | 		die_error(404, "No projects found"); | 
 | 	} | 
 |  | 
 | 	print $cgi->header( | 
 | 		-type => 'text/plain', | 
 | 		-charset => 'utf-8', | 
 | 		-content_disposition => 'inline; filename="index.aux"'); | 
 |  | 
 | 	foreach my $pr (@projects) { | 
 | 		if (!exists $pr->{'owner'}) { | 
 | 			$pr->{'owner'} = git_get_project_owner("$pr->{'path'}"); | 
 | 		} | 
 |  | 
 | 		my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'}); | 
 | 		# quote as in CGI::Util::encode, but keep the slash, and use '+' for ' ' | 
 | 		$path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg; | 
 | 		$owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg; | 
 | 		$path  =~ s/ /\+/g; | 
 | 		$owner =~ s/ /\+/g; | 
 |  | 
 | 		print "$path $owner\n"; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_summary { | 
 | 	my $descr = git_get_project_description($project) || "none"; | 
 | 	my %co = parse_commit("HEAD"); | 
 | 	my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : (); | 
 | 	my $head = $co{'id'}; | 
 | 	my $remote_heads = gitweb_check_feature('remote_heads'); | 
 |  | 
 | 	my $owner = git_get_project_owner($project); | 
 |  | 
 | 	my $refs = git_get_references(); | 
 | 	# These get_*_list functions return one more to allow us to see if | 
 | 	# there are more ... | 
 | 	my @taglist  = git_get_tags_list(16); | 
 | 	my @headlist = git_get_heads_list(16); | 
 | 	my %remotedata = $remote_heads ? git_get_remotes_list() : (); | 
 | 	my @forklist; | 
 | 	my $check_forks = gitweb_check_feature('forks'); | 
 |  | 
 | 	if ($check_forks) { | 
 | 		# find forks of a project | 
 | 		my $filter = $project; | 
 | 		$filter =~ s/\.git$//; | 
 | 		@forklist = git_get_projects_list($filter); | 
 | 		# filter out forks of forks | 
 | 		@forklist = filter_forks_from_projects_list(\@forklist) | 
 | 			if (@forklist); | 
 | 	} | 
 |  | 
 | 	git_header_html(); | 
 | 	git_print_page_nav('summary','', $head); | 
 |  | 
 | 	print "<div class=\"title\"> </div>\n"; | 
 | 	print "<table class=\"projects_list\">\n" . | 
 | 	      "<tr id=\"metadata_desc\"><td>description</td><td>" . esc_html($descr) . "</td></tr>\n"; | 
 |         unless ($omit_owner) { | 
 | 	        print  "<tr id=\"metadata_owner\"><td>owner</td><td>" . esc_html($owner) . "</td></tr>\n"; | 
 |         } | 
 | 	if (defined $cd{'rfc2822'}) { | 
 | 		print "<tr id=\"metadata_lchange\"><td>last change</td>" . | 
 | 		      "<td>".format_timestamp_html(\%cd)."</td></tr>\n"; | 
 | 	} | 
 |  | 
 | 	# use per project git URL list in $projectroot/$project/cloneurl | 
 | 	# or make project git URL from git base URL and project name | 
 | 	my $url_tag = "URL"; | 
 | 	my @url_list = git_get_project_url_list($project); | 
 | 	@url_list = map { "$_/$project" } @git_base_url_list unless @url_list; | 
 | 	foreach my $git_url (@url_list) { | 
 | 		next unless $git_url; | 
 | 		print format_repo_url($url_tag, $git_url); | 
 | 		$url_tag = ""; | 
 | 	} | 
 |  | 
 | 	# Tag cloud | 
 | 	my $show_ctags = gitweb_check_feature('ctags'); | 
 | 	if ($show_ctags) { | 
 | 		my $ctags = git_get_project_ctags($project); | 
 | 		if (%$ctags) { | 
 | 			# without ability to add tags, don't show if there are none | 
 | 			my $cloud = git_populate_project_tagcloud($ctags); | 
 | 			print "<tr id=\"metadata_ctags\">" . | 
 | 			      "<td>content tags</td>" . | 
 | 			      "<td>".git_show_project_tagcloud($cloud, 48)."</td>" . | 
 | 			      "</tr>\n"; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	print "</table>\n"; | 
 |  | 
 | 	# If XSS prevention is on, we don't include README.html. | 
 | 	# TODO: Allow a readme in some safe format. | 
 | 	if (!$prevent_xss && -s "$projectroot/$project/README.html") { | 
 | 		print "<div class=\"title\">readme</div>\n" . | 
 | 		      "<div class=\"readme\">\n"; | 
 | 		insert_file("$projectroot/$project/README.html"); | 
 | 		print "\n</div>\n"; # class="readme" | 
 | 	} | 
 |  | 
 | 	# we need to request one more than 16 (0..15) to check if | 
 | 	# those 16 are all | 
 | 	my @commitlist = $head ? parse_commits($head, 17) : (); | 
 | 	if (@commitlist) { | 
 | 		git_print_header_div('shortlog'); | 
 | 		git_shortlog_body(\@commitlist, 0, 15, $refs, | 
 | 		                  $#commitlist <=  15 ? undef : | 
 | 		                  $cgi->a({-href => href(action=>"shortlog")}, "...")); | 
 | 	} | 
 |  | 
 | 	if (@taglist) { | 
 | 		git_print_header_div('tags'); | 
 | 		git_tags_body(\@taglist, 0, 15, | 
 | 		              $#taglist <=  15 ? undef : | 
 | 		              $cgi->a({-href => href(action=>"tags")}, "...")); | 
 | 	} | 
 |  | 
 | 	if (@headlist) { | 
 | 		git_print_header_div('heads'); | 
 | 		git_heads_body(\@headlist, $head, 0, 15, | 
 | 		               $#headlist <= 15 ? undef : | 
 | 		               $cgi->a({-href => href(action=>"heads")}, "...")); | 
 | 	} | 
 |  | 
 | 	if (%remotedata) { | 
 | 		git_print_header_div('remotes'); | 
 | 		git_remotes_body(\%remotedata, 15, $head); | 
 | 	} | 
 |  | 
 | 	if (@forklist) { | 
 | 		git_print_header_div('forks'); | 
 | 		git_project_list_body(\@forklist, 'age', 0, 15, | 
 | 		                      $#forklist <= 15 ? undef : | 
 | 		                      $cgi->a({-href => href(action=>"forks")}, "..."), | 
 | 		                      'no_header'); | 
 | 	} | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_tag { | 
 | 	my %tag = parse_tag($hash); | 
 |  | 
 | 	if (! %tag) { | 
 | 		die_error(404, "Unknown tag object"); | 
 | 	} | 
 |  | 
 | 	my $head = git_get_head_hash($project); | 
 | 	git_header_html(); | 
 | 	git_print_page_nav('','', $head,undef,$head); | 
 | 	git_print_header_div('commit', esc_html($tag{'name'}), $hash); | 
 | 	print "<div class=\"title_text\">\n" . | 
 | 	      "<table class=\"object_header\">\n" . | 
 | 	      "<tr>\n" . | 
 | 	      "<td>object</td>\n" . | 
 | 	      "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})}, | 
 | 	                       $tag{'object'}) . "</td>\n" . | 
 | 	      "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})}, | 
 | 	                                      $tag{'type'}) . "</td>\n" . | 
 | 	      "</tr>\n"; | 
 | 	if (defined($tag{'author'})) { | 
 | 		git_print_authorship_rows(\%tag, 'author'); | 
 | 	} | 
 | 	print "</table>\n\n" . | 
 | 	      "</div>\n"; | 
 | 	print "<div class=\"page_body\">"; | 
 | 	my $comment = $tag{'comment'}; | 
 | 	foreach my $line (@$comment) { | 
 | 		chomp $line; | 
 | 		print esc_html($line, -nbsp=>1) . "<br/>\n"; | 
 | 	} | 
 | 	print "</div>\n"; | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_blame_common { | 
 | 	my $format = shift || 'porcelain'; | 
 | 	if ($format eq 'porcelain' && $input_params{'javascript'}) { | 
 | 		$format = 'incremental'; | 
 | 		$action = 'blame_incremental'; # for page title etc | 
 | 	} | 
 |  | 
 | 	# permissions | 
 | 	gitweb_check_feature('blame') | 
 | 		or die_error(403, "Blame view not allowed"); | 
 |  | 
 | 	# error checking | 
 | 	die_error(400, "No file name given") unless $file_name; | 
 | 	$hash_base ||= git_get_head_hash($project); | 
 | 	die_error(404, "Couldn't find base commit") unless $hash_base; | 
 | 	my %co = parse_commit($hash_base) | 
 | 		or die_error(404, "Commit not found"); | 
 | 	my $ftype = "blob"; | 
 | 	if (!defined $hash) { | 
 | 		$hash = git_get_hash_by_path($hash_base, $file_name, "blob") | 
 | 			or die_error(404, "Error looking up file"); | 
 | 	} else { | 
 | 		$ftype = git_get_type($hash); | 
 | 		if ($ftype !~ "blob") { | 
 | 			die_error(400, "Object is not a blob"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	my $fd; | 
 | 	if ($format eq 'incremental') { | 
 | 		# get file contents (as base) | 
 | 		open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash | 
 | 			or die_error(500, "Open git-cat-file failed"); | 
 | 	} elsif ($format eq 'data') { | 
 | 		# run git-blame --incremental | 
 | 		open $fd, "-|", git_cmd(), "blame", "--incremental", | 
 | 			$hash_base, "--", $file_name | 
 | 			or die_error(500, "Open git-blame --incremental failed"); | 
 | 	} else { | 
 | 		# run git-blame --porcelain | 
 | 		open $fd, "-|", git_cmd(), "blame", '-p', | 
 | 			$hash_base, '--', $file_name | 
 | 			or die_error(500, "Open git-blame --porcelain failed"); | 
 | 	} | 
 |  | 
 | 	# incremental blame data returns early | 
 | 	if ($format eq 'data') { | 
 | 		print $cgi->header( | 
 | 			-type=>"text/plain", -charset => "utf-8", | 
 | 			-status=> "200 OK"); | 
 | 		local $| = 1; # output autoflush | 
 | 		while (my $line = <$fd>) { | 
 | 			print to_utf8($line); | 
 | 		} | 
 | 		close $fd | 
 | 			or print "ERROR $!\n"; | 
 |  | 
 | 		print 'END'; | 
 | 		if (defined $t0 && gitweb_check_feature('timed')) { | 
 | 			print ' '. | 
 | 			      tv_interval($t0, [ gettimeofday() ]). | 
 | 			      ' '.$number_of_git_cmds; | 
 | 		} | 
 | 		print "\n"; | 
 |  | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	# page header | 
 | 	git_header_html(); | 
 | 	my $formats_nav = | 
 | 		$cgi->a({-href => href(action=>"blob", -replay=>1)}, | 
 | 		        "blob") . | 
 | 		" | "; | 
 | 	if ($format eq 'incremental') { | 
 | 		$formats_nav .= | 
 | 			$cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)}, | 
 | 			        "blame") . " (non-incremental)"; | 
 | 	} else { | 
 | 		$formats_nav .= | 
 | 			$cgi->a({-href => href(action=>"blame_incremental", -replay=>1)}, | 
 | 			        "blame") . " (incremental)"; | 
 | 	} | 
 | 	$formats_nav .= | 
 | 		" | " . | 
 | 		$cgi->a({-href => href(action=>"history", -replay=>1)}, | 
 | 		        "history") . | 
 | 		" | " . | 
 | 		$cgi->a({-href => href(action=>$action, file_name=>$file_name)}, | 
 | 		        "HEAD"); | 
 | 	git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); | 
 | 	git_print_header_div('commit', esc_html($co{'title'}), $hash_base); | 
 | 	git_print_page_path($file_name, $ftype, $hash_base); | 
 |  | 
 | 	# page body | 
 | 	if ($format eq 'incremental') { | 
 | 		print "<noscript>\n<div class=\"error\"><center><b>\n". | 
 | 		      "This page requires JavaScript to run.\n Use ". | 
 | 		      $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)}, | 
 | 		              'this page'). | 
 | 		      " instead.\n". | 
 | 		      "</b></center></div>\n</noscript>\n"; | 
 |  | 
 | 		print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!; | 
 | 	} | 
 |  | 
 | 	print qq!<div class="page_body">\n!; | 
 | 	print qq!<div id="progress_info">... / ...</div>\n! | 
 | 		if ($format eq 'incremental'); | 
 | 	print qq!<table id="blame_table" class="blame" width="100%">\n!. | 
 | 	      #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!. | 
 | 	      qq!<thead>\n!. | 
 | 	      qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!. | 
 | 	      qq!</thead>\n!. | 
 | 	      qq!<tbody>\n!; | 
 |  | 
 | 	my @rev_color = qw(light dark); | 
 | 	my $num_colors = scalar(@rev_color); | 
 | 	my $current_color = 0; | 
 |  | 
 | 	if ($format eq 'incremental') { | 
 | 		my $color_class = $rev_color[$current_color]; | 
 |  | 
 | 		#contents of a file | 
 | 		my $linenr = 0; | 
 | 	LINE: | 
 | 		while (my $line = <$fd>) { | 
 | 			chomp $line; | 
 | 			$linenr++; | 
 |  | 
 | 			print qq!<tr id="l$linenr" class="$color_class">!. | 
 | 			      qq!<td class="sha1"><a href=""> </a></td>!. | 
 | 			      qq!<td class="linenr">!. | 
 | 			      qq!<a class="linenr" href="">$linenr</a></td>!; | 
 | 			print qq!<td class="pre">! . esc_html($line) . "</td>\n"; | 
 | 			print qq!</tr>\n!; | 
 | 		} | 
 |  | 
 | 	} else { # porcelain, i.e. ordinary blame | 
 | 		my %metainfo = (); # saves information about commits | 
 |  | 
 | 		# blame data | 
 | 	LINE: | 
 | 		while (my $line = <$fd>) { | 
 | 			chomp $line; | 
 | 			# the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>] | 
 | 			# no <lines in group> for subsequent lines in group of lines | 
 | 			my ($full_rev, $orig_lineno, $lineno, $group_size) = | 
 | 			   ($line =~ /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/); | 
 | 			if (!exists $metainfo{$full_rev}) { | 
 | 				$metainfo{$full_rev} = { 'nprevious' => 0 }; | 
 | 			} | 
 | 			my $meta = $metainfo{$full_rev}; | 
 | 			my $data; | 
 | 			while ($data = <$fd>) { | 
 | 				chomp $data; | 
 | 				last if ($data =~ s/^\t//); # contents of line | 
 | 				if ($data =~ /^(\S+)(?: (.*))?$/) { | 
 | 					$meta->{$1} = $2 unless exists $meta->{$1}; | 
 | 				} | 
 | 				if ($data =~ /^previous /) { | 
 | 					$meta->{'nprevious'}++; | 
 | 				} | 
 | 			} | 
 | 			my $short_rev = substr($full_rev, 0, 8); | 
 | 			my $author = $meta->{'author'}; | 
 | 			my %date = | 
 | 				parse_date($meta->{'author-time'}, $meta->{'author-tz'}); | 
 | 			my $date = $date{'iso-tz'}; | 
 | 			if ($group_size) { | 
 | 				$current_color = ($current_color + 1) % $num_colors; | 
 | 			} | 
 | 			my $tr_class = $rev_color[$current_color]; | 
 | 			$tr_class .= ' boundary' if (exists $meta->{'boundary'}); | 
 | 			$tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0); | 
 | 			$tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1); | 
 | 			print "<tr id=\"l$lineno\" class=\"$tr_class\">\n"; | 
 | 			if ($group_size) { | 
 | 				print "<td class=\"sha1\""; | 
 | 				print " title=\"". esc_html($author) . ", $date\""; | 
 | 				print " rowspan=\"$group_size\"" if ($group_size > 1); | 
 | 				print ">"; | 
 | 				print $cgi->a({-href => href(action=>"commit", | 
 | 				                             hash=>$full_rev, | 
 | 				                             file_name=>$file_name)}, | 
 | 				              esc_html($short_rev)); | 
 | 				if ($group_size >= 2) { | 
 | 					my @author_initials = ($author =~ /\b([[:upper:]])\B/g); | 
 | 					if (@author_initials) { | 
 | 						print "<br />" . | 
 | 						      esc_html(join('', @author_initials)); | 
 | 						#           or join('.', ...) | 
 | 					} | 
 | 				} | 
 | 				print "</td>\n"; | 
 | 			} | 
 | 			# 'previous' <sha1 of parent commit> <filename at commit> | 
 | 			if (exists $meta->{'previous'} && | 
 | 			    $meta->{'previous'} =~ /^([a-fA-F0-9]{40}) (.*)$/) { | 
 | 				$meta->{'parent'} = $1; | 
 | 				$meta->{'file_parent'} = unquote($2); | 
 | 			} | 
 | 			my $linenr_commit = | 
 | 				exists($meta->{'parent'}) ? | 
 | 				$meta->{'parent'} : $full_rev; | 
 | 			my $linenr_filename = | 
 | 				exists($meta->{'file_parent'}) ? | 
 | 				$meta->{'file_parent'} : unquote($meta->{'filename'}); | 
 | 			my $blamed = href(action => 'blame', | 
 | 			                  file_name => $linenr_filename, | 
 | 			                  hash_base => $linenr_commit); | 
 | 			print "<td class=\"linenr\">"; | 
 | 			print $cgi->a({ -href => "$blamed#l$orig_lineno", | 
 | 			                -class => "linenr" }, | 
 | 			              esc_html($lineno)); | 
 | 			print "</td>"; | 
 | 			print "<td class=\"pre\">" . esc_html($data) . "</td>\n"; | 
 | 			print "</tr>\n"; | 
 | 		} # end while | 
 |  | 
 | 	} | 
 |  | 
 | 	# footer | 
 | 	print "</tbody>\n". | 
 | 	      "</table>\n"; # class="blame" | 
 | 	print "</div>\n";   # class="blame_body" | 
 | 	close $fd | 
 | 		or print "Reading blob failed\n"; | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_blame { | 
 | 	git_blame_common(); | 
 | } | 
 |  | 
 | sub git_blame_incremental { | 
 | 	git_blame_common('incremental'); | 
 | } | 
 |  | 
 | sub git_blame_data { | 
 | 	git_blame_common('data'); | 
 | } | 
 |  | 
 | sub git_tags { | 
 | 	my $head = git_get_head_hash($project); | 
 | 	git_header_html(); | 
 | 	git_print_page_nav('','', $head,undef,$head,format_ref_views('tags')); | 
 | 	git_print_header_div('summary', $project); | 
 |  | 
 | 	my @tagslist = git_get_tags_list(); | 
 | 	if (@tagslist) { | 
 | 		git_tags_body(\@tagslist); | 
 | 	} | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_heads { | 
 | 	my $head = git_get_head_hash($project); | 
 | 	git_header_html(); | 
 | 	git_print_page_nav('','', $head,undef,$head,format_ref_views('heads')); | 
 | 	git_print_header_div('summary', $project); | 
 |  | 
 | 	my @headslist = git_get_heads_list(); | 
 | 	if (@headslist) { | 
 | 		git_heads_body(\@headslist, $head); | 
 | 	} | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | # used both for single remote view and for list of all the remotes | 
 | sub git_remotes { | 
 | 	gitweb_check_feature('remote_heads') | 
 | 		or die_error(403, "Remote heads view is disabled"); | 
 |  | 
 | 	my $head = git_get_head_hash($project); | 
 | 	my $remote = $input_params{'hash'}; | 
 |  | 
 | 	my $remotedata = git_get_remotes_list($remote); | 
 | 	die_error(500, "Unable to get remote information") unless defined $remotedata; | 
 |  | 
 | 	unless (%$remotedata) { | 
 | 		die_error(404, defined $remote ? | 
 | 			"Remote $remote not found" : | 
 | 			"No remotes found"); | 
 | 	} | 
 |  | 
 | 	git_header_html(undef, undef, -action_extra => $remote); | 
 | 	git_print_page_nav('', '',  $head, undef, $head, | 
 | 		format_ref_views($remote ? '' : 'remotes')); | 
 |  | 
 | 	fill_remote_heads($remotedata); | 
 | 	if (defined $remote) { | 
 | 		git_print_header_div('remotes', "$remote remote for $project"); | 
 | 		git_remote_block($remote, $remotedata->{$remote}, undef, $head); | 
 | 	} else { | 
 | 		git_print_header_div('summary', "$project remotes"); | 
 | 		git_remotes_body($remotedata, undef, $head); | 
 | 	} | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_blob_plain { | 
 | 	my $type = shift; | 
 | 	my $expires; | 
 |  | 
 | 	if (!defined $hash) { | 
 | 		if (defined $file_name) { | 
 | 			my $base = $hash_base || git_get_head_hash($project); | 
 | 			$hash = git_get_hash_by_path($base, $file_name, "blob") | 
 | 				or die_error(404, "Cannot find file"); | 
 | 		} else { | 
 | 			die_error(400, "No file name defined"); | 
 | 		} | 
 | 	} elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 		# blobs defined by non-textual hash id's can be cached | 
 | 		$expires = "+1d"; | 
 | 	} | 
 |  | 
 | 	open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash | 
 | 		or die_error(500, "Open git-cat-file blob '$hash' failed"); | 
 |  | 
 | 	# content-type (can include charset) | 
 | 	$type = blob_contenttype($fd, $file_name, $type); | 
 |  | 
 | 	# "save as" filename, even when no $file_name is given | 
 | 	my $save_as = "$hash"; | 
 | 	if (defined $file_name) { | 
 | 		$save_as = $file_name; | 
 | 	} elsif ($type =~ m/^text\//) { | 
 | 		$save_as .= '.txt'; | 
 | 	} | 
 |  | 
 | 	# With XSS prevention on, blobs of all types except a few known safe | 
 | 	# ones are served with "Content-Disposition: attachment" to make sure | 
 | 	# they don't run in our security domain.  For certain image types, | 
 | 	# blob view writes an <img> tag referring to blob_plain view, and we | 
 | 	# want to be sure not to break that by serving the image as an | 
 | 	# attachment (though Firefox 3 doesn't seem to care). | 
 | 	my $sandbox = $prevent_xss && | 
 | 		$type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!; | 
 |  | 
 | 	# serve text/* as text/plain | 
 | 	if ($prevent_xss && | 
 | 	    ($type =~ m!^text/[a-z]+\b(.*)$! || | 
 | 	     ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) { | 
 | 		my $rest = $1; | 
 | 		$rest = defined $rest ? $rest : ''; | 
 | 		$type = "text/plain$rest"; | 
 | 	} | 
 |  | 
 | 	print $cgi->header( | 
 | 		-type => $type, | 
 | 		-expires => $expires, | 
 | 		-content_disposition => | 
 | 			($sandbox ? 'attachment' : 'inline') | 
 | 			. '; filename="' . $save_as . '"'); | 
 | 	local $/ = undef; | 
 | 	binmode STDOUT, ':raw'; | 
 | 	print <$fd>; | 
 | 	binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi | 
 | 	close $fd; | 
 | } | 
 |  | 
 | sub git_blob { | 
 | 	my $expires; | 
 |  | 
 | 	if (!defined $hash) { | 
 | 		if (defined $file_name) { | 
 | 			my $base = $hash_base || git_get_head_hash($project); | 
 | 			$hash = git_get_hash_by_path($base, $file_name, "blob") | 
 | 				or die_error(404, "Cannot find file"); | 
 | 		} else { | 
 | 			die_error(400, "No file name defined"); | 
 | 		} | 
 | 	} elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 		# blobs defined by non-textual hash id's can be cached | 
 | 		$expires = "+1d"; | 
 | 	} | 
 |  | 
 | 	my $have_blame = gitweb_check_feature('blame'); | 
 | 	open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash | 
 | 		or die_error(500, "Couldn't cat $file_name, $hash"); | 
 | 	my $mimetype = blob_mimetype($fd, $file_name); | 
 | 	# use 'blob_plain' (aka 'raw') view for files that cannot be displayed | 
 | 	if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) { | 
 | 		close $fd; | 
 | 		return git_blob_plain($mimetype); | 
 | 	} | 
 | 	# we can have blame only for text/* mimetype | 
 | 	$have_blame &&= ($mimetype =~ m!^text/!); | 
 |  | 
 | 	my $highlight = gitweb_check_feature('highlight'); | 
 | 	my $syntax = guess_file_syntax($highlight, $mimetype, $file_name); | 
 | 	$fd = run_highlighter($fd, $highlight, $syntax) | 
 | 		if $syntax; | 
 |  | 
 | 	git_header_html(undef, $expires); | 
 | 	my $formats_nav = ''; | 
 | 	if (defined $hash_base && (my %co = parse_commit($hash_base))) { | 
 | 		if (defined $file_name) { | 
 | 			if ($have_blame) { | 
 | 				$formats_nav .= | 
 | 					$cgi->a({-href => href(action=>"blame", -replay=>1)}, | 
 | 					        "blame") . | 
 | 					" | "; | 
 | 			} | 
 | 			$formats_nav .= | 
 | 				$cgi->a({-href => href(action=>"history", -replay=>1)}, | 
 | 				        "history") . | 
 | 				" | " . | 
 | 				$cgi->a({-href => href(action=>"blob_plain", -replay=>1)}, | 
 | 				        "raw") . | 
 | 				" | " . | 
 | 				$cgi->a({-href => href(action=>"blob", | 
 | 				                       hash_base=>"HEAD", file_name=>$file_name)}, | 
 | 				        "HEAD"); | 
 | 		} else { | 
 | 			$formats_nav .= | 
 | 				$cgi->a({-href => href(action=>"blob_plain", -replay=>1)}, | 
 | 				        "raw"); | 
 | 		} | 
 | 		git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); | 
 | 		git_print_header_div('commit', esc_html($co{'title'}), $hash_base); | 
 | 	} else { | 
 | 		print "<div class=\"page_nav\">\n" . | 
 | 		      "<br/><br/></div>\n" . | 
 | 		      "<div class=\"title\">".esc_html($hash)."</div>\n"; | 
 | 	} | 
 | 	git_print_page_path($file_name, "blob", $hash_base); | 
 | 	print "<div class=\"page_body\">\n"; | 
 | 	if ($mimetype =~ m!^image/!) { | 
 | 		print qq!<img type="!.esc_attr($mimetype).qq!"!; | 
 | 		if ($file_name) { | 
 | 			print qq! alt="!.esc_attr($file_name).qq!" title="!.esc_attr($file_name).qq!"!; | 
 | 		} | 
 | 		print qq! src="! . | 
 | 		      href(action=>"blob_plain", hash=>$hash, | 
 | 		           hash_base=>$hash_base, file_name=>$file_name) . | 
 | 		      qq!" />\n!; | 
 | 	} else { | 
 | 		my $nr; | 
 | 		while (my $line = <$fd>) { | 
 | 			chomp $line; | 
 | 			$nr++; | 
 | 			$line = untabify($line); | 
 | 			printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i</a> %s</div>\n!, | 
 | 			       $nr, esc_attr(href(-replay => 1)), $nr, $nr, | 
 | 			       $syntax ? sanitize($line) : esc_html($line, -nbsp=>1); | 
 | 		} | 
 | 	} | 
 | 	close $fd | 
 | 		or print "Reading blob failed.\n"; | 
 | 	print "</div>"; | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_tree { | 
 | 	if (!defined $hash_base) { | 
 | 		$hash_base = "HEAD"; | 
 | 	} | 
 | 	if (!defined $hash) { | 
 | 		if (defined $file_name) { | 
 | 			$hash = git_get_hash_by_path($hash_base, $file_name, "tree"); | 
 | 		} else { | 
 | 			$hash = $hash_base; | 
 | 		} | 
 | 	} | 
 | 	die_error(404, "No such tree") unless defined($hash); | 
 |  | 
 | 	my $show_sizes = gitweb_check_feature('show-sizes'); | 
 | 	my $have_blame = gitweb_check_feature('blame'); | 
 |  | 
 | 	my @entries = (); | 
 | 	{ | 
 | 		local $/ = "\0"; | 
 | 		open my $fd, "-|", git_cmd(), "ls-tree", '-z', | 
 | 			($show_sizes ? '-l' : ()), @extra_options, $hash | 
 | 			or die_error(500, "Open git-ls-tree failed"); | 
 | 		@entries = map { chomp; $_ } <$fd>; | 
 | 		close $fd | 
 | 			or die_error(404, "Reading tree failed"); | 
 | 	} | 
 |  | 
 | 	my $refs = git_get_references(); | 
 | 	my $ref = format_ref_marker($refs, $hash_base); | 
 | 	git_header_html(); | 
 | 	my $basedir = ''; | 
 | 	if (defined $hash_base && (my %co = parse_commit($hash_base))) { | 
 | 		my @views_nav = (); | 
 | 		if (defined $file_name) { | 
 | 			push @views_nav, | 
 | 				$cgi->a({-href => href(action=>"history", -replay=>1)}, | 
 | 				        "history"), | 
 | 				$cgi->a({-href => href(action=>"tree", | 
 | 				                       hash_base=>"HEAD", file_name=>$file_name)}, | 
 | 				        "HEAD"), | 
 | 		} | 
 | 		my $snapshot_links = format_snapshot_links($hash); | 
 | 		if (defined $snapshot_links) { | 
 | 			# FIXME: Should be available when we have no hash base as well. | 
 | 			push @views_nav, $snapshot_links; | 
 | 		} | 
 | 		git_print_page_nav('tree','', $hash_base, undef, undef, | 
 | 		                   join(' | ', @views_nav)); | 
 | 		git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base); | 
 | 	} else { | 
 | 		undef $hash_base; | 
 | 		print "<div class=\"page_nav\">\n"; | 
 | 		print "<br/><br/></div>\n"; | 
 | 		print "<div class=\"title\">".esc_html($hash)."</div>\n"; | 
 | 	} | 
 | 	if (defined $file_name) { | 
 | 		$basedir = $file_name; | 
 | 		if ($basedir ne '' && substr($basedir, -1) ne '/') { | 
 | 			$basedir .= '/'; | 
 | 		} | 
 | 		git_print_page_path($file_name, 'tree', $hash_base); | 
 | 	} | 
 | 	print "<div class=\"page_body\">\n"; | 
 | 	print "<table class=\"tree\">\n"; | 
 | 	my $alternate = 1; | 
 | 	# '..' (top directory) link if possible | 
 | 	if (defined $hash_base && | 
 | 	    defined $file_name && $file_name =~ m![^/]+$!) { | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 |  | 
 | 		my $up = $file_name; | 
 | 		$up =~ s!/?[^/]+$!!; | 
 | 		undef $up unless $up; | 
 | 		# based on git_print_tree_entry | 
 | 		print '<td class="mode">' . mode_str('040000') . "</td>\n"; | 
 | 		print '<td class="size"> </td>'."\n" if $show_sizes; | 
 | 		print '<td class="list">'; | 
 | 		print $cgi->a({-href => href(action=>"tree", | 
 | 		                             hash_base=>$hash_base, | 
 | 		                             file_name=>$up)}, | 
 | 		              ".."); | 
 | 		print "</td>\n"; | 
 | 		print "<td class=\"link\"></td>\n"; | 
 |  | 
 | 		print "</tr>\n"; | 
 | 	} | 
 | 	foreach my $line (@entries) { | 
 | 		my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes); | 
 |  | 
 | 		if ($alternate) { | 
 | 			print "<tr class=\"dark\">\n"; | 
 | 		} else { | 
 | 			print "<tr class=\"light\">\n"; | 
 | 		} | 
 | 		$alternate ^= 1; | 
 |  | 
 | 		git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame); | 
 |  | 
 | 		print "</tr>\n"; | 
 | 	} | 
 | 	print "</table>\n" . | 
 | 	      "</div>"; | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub snapshot_name { | 
 | 	my ($project, $hash) = @_; | 
 |  | 
 | 	# path/to/project.git  -> project | 
 | 	# path/to/project/.git -> project | 
 | 	my $name = to_utf8($project); | 
 | 	$name =~ s,([^/])/*\.git$,$1,; | 
 | 	$name = basename($name); | 
 | 	# sanitize name | 
 | 	$name =~ s/[[:cntrl:]]/?/g; | 
 |  | 
 | 	my $ver = $hash; | 
 | 	if ($hash =~ /^[0-9a-fA-F]+$/) { | 
 | 		# shorten SHA-1 hash | 
 | 		my $full_hash = git_get_full_hash($project, $hash); | 
 | 		if ($full_hash =~ /^$hash/ && length($hash) > 7) { | 
 | 			$ver = git_get_short_hash($project, $hash); | 
 | 		} | 
 | 	} elsif ($hash =~ m!^refs/tags/(.*)$!) { | 
 | 		# tags don't need shortened SHA-1 hash | 
 | 		$ver = $1; | 
 | 	} else { | 
 | 		# branches and other need shortened SHA-1 hash | 
 | 		if ($hash =~ m!^refs/(?:heads|remotes)/(.*)$!) { | 
 | 			$ver = $1; | 
 | 		} | 
 | 		$ver .= '-' . git_get_short_hash($project, $hash); | 
 | 	} | 
 | 	# in case of hierarchical branch names | 
 | 	$ver =~ s!/!.!g; | 
 |  | 
 | 	# name = project-version_string | 
 | 	$name = "$name-$ver"; | 
 |  | 
 | 	return wantarray ? ($name, $name) : $name; | 
 | } | 
 |  | 
 | sub exit_if_unmodified_since { | 
 | 	my ($latest_epoch) = @_; | 
 | 	our $cgi; | 
 |  | 
 | 	my $if_modified = $cgi->http('IF_MODIFIED_SINCE'); | 
 | 	if (defined $if_modified) { | 
 | 		my $since; | 
 | 		if (eval { require HTTP::Date; 1; }) { | 
 | 			$since = HTTP::Date::str2time($if_modified); | 
 | 		} elsif (eval { require Time::ParseDate; 1; }) { | 
 | 			$since = Time::ParseDate::parsedate($if_modified, GMT => 1); | 
 | 		} | 
 | 		if (defined $since && $latest_epoch <= $since) { | 
 | 			my %latest_date = parse_date($latest_epoch); | 
 | 			print $cgi->header( | 
 | 				-last_modified => $latest_date{'rfc2822'}, | 
 | 				-status => '304 Not Modified'); | 
 | 			goto DONE_GITWEB; | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | sub git_snapshot { | 
 | 	my $format = $input_params{'snapshot_format'}; | 
 | 	if (!@snapshot_fmts) { | 
 | 		die_error(403, "Snapshots not allowed"); | 
 | 	} | 
 | 	# default to first supported snapshot format | 
 | 	$format ||= $snapshot_fmts[0]; | 
 | 	if ($format !~ m/^[a-z0-9]+$/) { | 
 | 		die_error(400, "Invalid snapshot format parameter"); | 
 | 	} elsif (!exists($known_snapshot_formats{$format})) { | 
 | 		die_error(400, "Unknown snapshot format"); | 
 | 	} elsif ($known_snapshot_formats{$format}{'disabled'}) { | 
 | 		die_error(403, "Snapshot format not allowed"); | 
 | 	} elsif (!grep($_ eq $format, @snapshot_fmts)) { | 
 | 		die_error(403, "Unsupported snapshot format"); | 
 | 	} | 
 |  | 
 | 	my $type = git_get_type("$hash^{}"); | 
 | 	if (!$type) { | 
 | 		die_error(404, 'Object does not exist'); | 
 | 	}  elsif ($type eq 'blob') { | 
 | 		die_error(400, 'Object is not a tree-ish'); | 
 | 	} | 
 |  | 
 | 	my ($name, $prefix) = snapshot_name($project, $hash); | 
 | 	my $filename = "$name$known_snapshot_formats{$format}{'suffix'}"; | 
 |  | 
 | 	my %co = parse_commit($hash); | 
 | 	exit_if_unmodified_since($co{'committer_epoch'}) if %co; | 
 |  | 
 | 	my $cmd = quote_command( | 
 | 		git_cmd(), 'archive', | 
 | 		"--format=$known_snapshot_formats{$format}{'format'}", | 
 | 		"--prefix=$prefix/", $hash); | 
 | 	if (exists $known_snapshot_formats{$format}{'compressor'}) { | 
 | 		$cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}}); | 
 | 	} | 
 |  | 
 | 	$filename =~ s/(["\\])/\\$1/g; | 
 | 	my %latest_date; | 
 | 	if (%co) { | 
 | 		%latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'}); | 
 | 	} | 
 |  | 
 | 	print $cgi->header( | 
 | 		-type => $known_snapshot_formats{$format}{'type'}, | 
 | 		-content_disposition => 'inline; filename="' . $filename . '"', | 
 | 		%co ? (-last_modified => $latest_date{'rfc2822'}) : (), | 
 | 		-status => '200 OK'); | 
 |  | 
 | 	open my $fd, "-|", $cmd | 
 | 		or die_error(500, "Execute git-archive failed"); | 
 | 	binmode STDOUT, ':raw'; | 
 | 	print <$fd>; | 
 | 	binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi | 
 | 	close $fd; | 
 | } | 
 |  | 
 | sub git_log_generic { | 
 | 	my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_; | 
 |  | 
 | 	my $head = git_get_head_hash($project); | 
 | 	if (!defined $base) { | 
 | 		$base = $head; | 
 | 	} | 
 | 	if (!defined $page) { | 
 | 		$page = 0; | 
 | 	} | 
 | 	my $refs = git_get_references(); | 
 |  | 
 | 	my $commit_hash = $base; | 
 | 	if (defined $parent) { | 
 | 		$commit_hash = "$parent..$base"; | 
 | 	} | 
 | 	my @commitlist = | 
 | 		parse_commits($commit_hash, 101, (100 * $page), | 
 | 		              defined $file_name ? ($file_name, "--full-history") : ()); | 
 |  | 
 | 	my $ftype; | 
 | 	if (!defined $file_hash && defined $file_name) { | 
 | 		# some commits could have deleted file in question, | 
 | 		# and not have it in tree, but one of them has to have it | 
 | 		for (my $i = 0; $i < @commitlist; $i++) { | 
 | 			$file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name); | 
 | 			last if defined $file_hash; | 
 | 		} | 
 | 	} | 
 | 	if (defined $file_hash) { | 
 | 		$ftype = git_get_type($file_hash); | 
 | 	} | 
 | 	if (defined $file_name && !defined $ftype) { | 
 | 		die_error(500, "Unknown type of object"); | 
 | 	} | 
 | 	my %co; | 
 | 	if (defined $file_name) { | 
 | 		%co = parse_commit($base) | 
 | 			or die_error(404, "Unknown commit object"); | 
 | 	} | 
 |  | 
 |  | 
 | 	my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100); | 
 | 	my $next_link = ''; | 
 | 	if ($#commitlist >= 100) { | 
 | 		$next_link = | 
 | 			$cgi->a({-href => href(-replay=>1, page=>$page+1), | 
 | 			         -accesskey => "n", -title => "Alt-n"}, "next"); | 
 | 	} | 
 | 	my $patch_max = gitweb_get_feature('patches'); | 
 | 	if ($patch_max && !defined $file_name) { | 
 | 		if ($patch_max < 0 || @commitlist <= $patch_max) { | 
 | 			$paging_nav .= " ⋅ " . | 
 | 				$cgi->a({-href => href(action=>"patches", -replay=>1)}, | 
 | 					"patches"); | 
 | 		} | 
 | 	} | 
 |  | 
 | 	git_header_html(); | 
 | 	git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav); | 
 | 	if (defined $file_name) { | 
 | 		git_print_header_div('commit', esc_html($co{'title'}), $base); | 
 | 	} else { | 
 | 		git_print_header_div('summary', $project) | 
 | 	} | 
 | 	git_print_page_path($file_name, $ftype, $hash_base) | 
 | 		if (defined $file_name); | 
 |  | 
 | 	$body_subr->(\@commitlist, 0, 99, $refs, $next_link, | 
 | 	             $file_name, $file_hash, $ftype); | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_log { | 
 | 	git_log_generic('log', \&git_log_body, | 
 | 	                $hash, $hash_parent); | 
 | } | 
 |  | 
 | sub git_commit { | 
 | 	$hash ||= $hash_base || "HEAD"; | 
 | 	my %co = parse_commit($hash) | 
 | 	    or die_error(404, "Unknown commit object"); | 
 |  | 
 | 	my $parent  = $co{'parent'}; | 
 | 	my $parents = $co{'parents'}; # listref | 
 |  | 
 | 	# we need to prepare $formats_nav before any parameter munging | 
 | 	my $formats_nav; | 
 | 	if (!defined $parent) { | 
 | 		# --root commitdiff | 
 | 		$formats_nav .= '(initial)'; | 
 | 	} elsif (@$parents == 1) { | 
 | 		# single parent commit | 
 | 		$formats_nav .= | 
 | 			'(parent: ' . | 
 | 			$cgi->a({-href => href(action=>"commit", | 
 | 			                       hash=>$parent)}, | 
 | 			        esc_html(substr($parent, 0, 7))) . | 
 | 			')'; | 
 | 	} else { | 
 | 		# merge commit | 
 | 		$formats_nav .= | 
 | 			'(merge: ' . | 
 | 			join(' ', map { | 
 | 				$cgi->a({-href => href(action=>"commit", | 
 | 				                       hash=>$_)}, | 
 | 				        esc_html(substr($_, 0, 7))); | 
 | 			} @$parents ) . | 
 | 			')'; | 
 | 	} | 
 | 	if (gitweb_check_feature('patches') && @$parents <= 1) { | 
 | 		$formats_nav .= " | " . | 
 | 			$cgi->a({-href => href(action=>"patch", -replay=>1)}, | 
 | 				"patch"); | 
 | 	} | 
 |  | 
 | 	if (!defined $parent) { | 
 | 		$parent = "--root"; | 
 | 	} | 
 | 	my @difftree; | 
 | 	open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id", | 
 | 		@diff_opts, | 
 | 		(@$parents <= 1 ? $parent : '-c'), | 
 | 		$hash, "--" | 
 | 		or die_error(500, "Open git-diff-tree failed"); | 
 | 	@difftree = map { chomp; $_ } <$fd>; | 
 | 	close $fd or die_error(404, "Reading git-diff-tree failed"); | 
 |  | 
 | 	# non-textual hash id's can be cached | 
 | 	my $expires; | 
 | 	if ($hash =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 		$expires = "+1d"; | 
 | 	} | 
 | 	my $refs = git_get_references(); | 
 | 	my $ref = format_ref_marker($refs, $co{'id'}); | 
 |  | 
 | 	git_header_html(undef, $expires); | 
 | 	git_print_page_nav('commit', '', | 
 | 	                   $hash, $co{'tree'}, $hash, | 
 | 	                   $formats_nav); | 
 |  | 
 | 	if (defined $co{'parent'}) { | 
 | 		git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash); | 
 | 	} else { | 
 | 		git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash); | 
 | 	} | 
 | 	print "<div class=\"title_text\">\n" . | 
 | 	      "<table class=\"object_header\">\n"; | 
 | 	git_print_authorship_rows(\%co); | 
 | 	print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n"; | 
 | 	print "<tr>" . | 
 | 	      "<td>tree</td>" . | 
 | 	      "<td class=\"sha1\">" . | 
 | 	      $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash), | 
 | 	               class => "list"}, $co{'tree'}) . | 
 | 	      "</td>" . | 
 | 	      "<td class=\"link\">" . | 
 | 	      $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)}, | 
 | 	              "tree"); | 
 | 	my $snapshot_links = format_snapshot_links($hash); | 
 | 	if (defined $snapshot_links) { | 
 | 		print " | " . $snapshot_links; | 
 | 	} | 
 | 	print "</td>" . | 
 | 	      "</tr>\n"; | 
 |  | 
 | 	foreach my $par (@$parents) { | 
 | 		print "<tr>" . | 
 | 		      "<td>parent</td>" . | 
 | 		      "<td class=\"sha1\">" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$par), | 
 | 		               class => "list"}, $par) . | 
 | 		      "</td>" . | 
 | 		      "<td class=\"link\">" . | 
 | 		      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") . | 
 | 		      " | " . | 
 | 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") . | 
 | 		      "</td>" . | 
 | 		      "</tr>\n"; | 
 | 	} | 
 | 	print "</table>". | 
 | 	      "</div>\n"; | 
 |  | 
 | 	print "<div class=\"page_body\">\n"; | 
 | 	git_print_log($co{'comment'}); | 
 | 	print "</div>\n"; | 
 |  | 
 | 	git_difftree_body(\@difftree, $hash, @$parents); | 
 |  | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_object { | 
 | 	# object is defined by: | 
 | 	# - hash or hash_base alone | 
 | 	# - hash_base and file_name | 
 | 	my $type; | 
 |  | 
 | 	# - hash or hash_base alone | 
 | 	if ($hash || ($hash_base && !defined $file_name)) { | 
 | 		my $object_id = $hash || $hash_base; | 
 |  | 
 | 		open my $fd, "-|", quote_command( | 
 | 			git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null' | 
 | 			or die_error(404, "Object does not exist"); | 
 | 		$type = <$fd>; | 
 | 		chomp $type; | 
 | 		close $fd | 
 | 			or die_error(404, "Object does not exist"); | 
 |  | 
 | 	# - hash_base and file_name | 
 | 	} elsif ($hash_base && defined $file_name) { | 
 | 		$file_name =~ s,/+$,,; | 
 |  | 
 | 		system(git_cmd(), "cat-file", '-e', $hash_base) == 0 | 
 | 			or die_error(404, "Base object does not exist"); | 
 |  | 
 | 		# here errors should not hapen | 
 | 		open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name | 
 | 			or die_error(500, "Open git-ls-tree failed"); | 
 | 		my $line = <$fd>; | 
 | 		close $fd; | 
 |  | 
 | 		#'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c' | 
 | 		unless ($line && $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/) { | 
 | 			die_error(404, "File or directory for given base does not exist"); | 
 | 		} | 
 | 		$type = $2; | 
 | 		$hash = $3; | 
 | 	} else { | 
 | 		die_error(400, "Not enough information to find object"); | 
 | 	} | 
 |  | 
 | 	print $cgi->redirect(-uri => href(action=>$type, -full=>1, | 
 | 	                                  hash=>$hash, hash_base=>$hash_base, | 
 | 	                                  file_name=>$file_name), | 
 | 	                     -status => '302 Found'); | 
 | } | 
 |  | 
 | sub git_blobdiff { | 
 | 	my $format = shift || 'html'; | 
 | 	my $diff_style = $input_params{'diff_style'} || 'inline'; | 
 |  | 
 | 	my $fd; | 
 | 	my @difftree; | 
 | 	my %diffinfo; | 
 | 	my $expires; | 
 |  | 
 | 	# preparing $fd and %diffinfo for git_patchset_body | 
 | 	# new style URI | 
 | 	if (defined $hash_base && defined $hash_parent_base) { | 
 | 		if (defined $file_name) { | 
 | 			# read raw output | 
 | 			open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, | 
 | 				$hash_parent_base, $hash_base, | 
 | 				"--", (defined $file_parent ? $file_parent : ()), $file_name | 
 | 				or die_error(500, "Open git-diff-tree failed"); | 
 | 			@difftree = map { chomp; $_ } <$fd>; | 
 | 			close $fd | 
 | 				or die_error(404, "Reading git-diff-tree failed"); | 
 | 			@difftree | 
 | 				or die_error(404, "Blob diff not found"); | 
 |  | 
 | 		} elsif (defined $hash && | 
 | 		         $hash =~ /[0-9a-fA-F]{40}/) { | 
 | 			# try to find filename from $hash | 
 |  | 
 | 			# read filtered raw output | 
 | 			open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, | 
 | 				$hash_parent_base, $hash_base, "--" | 
 | 				or die_error(500, "Open git-diff-tree failed"); | 
 | 			@difftree = | 
 | 				# ':100644 100644 03b21826... 3b93d5e7... M	ls-files.c' | 
 | 				# $hash == to_id | 
 | 				grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ } | 
 | 				map { chomp; $_ } <$fd>; | 
 | 			close $fd | 
 | 				or die_error(404, "Reading git-diff-tree failed"); | 
 | 			@difftree | 
 | 				or die_error(404, "Blob diff not found"); | 
 |  | 
 | 		} else { | 
 | 			die_error(400, "Missing one of the blob diff parameters"); | 
 | 		} | 
 |  | 
 | 		if (@difftree > 1) { | 
 | 			die_error(400, "Ambiguous blob diff specification"); | 
 | 		} | 
 |  | 
 | 		%diffinfo = parse_difftree_raw_line($difftree[0]); | 
 | 		$file_parent ||= $diffinfo{'from_file'} || $file_name; | 
 | 		$file_name   ||= $diffinfo{'to_file'}; | 
 |  | 
 | 		$hash_parent ||= $diffinfo{'from_id'}; | 
 | 		$hash        ||= $diffinfo{'to_id'}; | 
 |  | 
 | 		# non-textual hash id's can be cached | 
 | 		if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ && | 
 | 		    $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 			$expires = '+1d'; | 
 | 		} | 
 |  | 
 | 		# open patch output | 
 | 		open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, | 
 | 			'-p', ($format eq 'html' ? "--full-index" : ()), | 
 | 			$hash_parent_base, $hash_base, | 
 | 			"--", (defined $file_parent ? $file_parent : ()), $file_name | 
 | 			or die_error(500, "Open git-diff-tree failed"); | 
 | 	} | 
 |  | 
 | 	# old/legacy style URI -- not generated anymore since 1.4.3. | 
 | 	if (!%diffinfo) { | 
 | 		die_error('404 Not Found', "Missing one of the blob diff parameters") | 
 | 	} | 
 |  | 
 | 	# header | 
 | 	if ($format eq 'html') { | 
 | 		my $formats_nav = | 
 | 			$cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)}, | 
 | 			        "raw"); | 
 | 		$formats_nav .= diff_style_nav($diff_style); | 
 | 		git_header_html(undef, $expires); | 
 | 		if (defined $hash_base && (my %co = parse_commit($hash_base))) { | 
 | 			git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); | 
 | 			git_print_header_div('commit', esc_html($co{'title'}), $hash_base); | 
 | 		} else { | 
 | 			print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n"; | 
 | 			print "<div class=\"title\">".esc_html("$hash vs $hash_parent")."</div>\n"; | 
 | 		} | 
 | 		if (defined $file_name) { | 
 | 			git_print_page_path($file_name, "blob", $hash_base); | 
 | 		} else { | 
 | 			print "<div class=\"page_path\"></div>\n"; | 
 | 		} | 
 |  | 
 | 	} elsif ($format eq 'plain') { | 
 | 		print $cgi->header( | 
 | 			-type => 'text/plain', | 
 | 			-charset => 'utf-8', | 
 | 			-expires => $expires, | 
 | 			-content_disposition => 'inline; filename="' . "$file_name" . '.patch"'); | 
 |  | 
 | 		print "X-Git-Url: " . $cgi->self_url() . "\n\n"; | 
 |  | 
 | 	} else { | 
 | 		die_error(400, "Unknown blobdiff format"); | 
 | 	} | 
 |  | 
 | 	# patch | 
 | 	if ($format eq 'html') { | 
 | 		print "<div class=\"page_body\">\n"; | 
 |  | 
 | 		git_patchset_body($fd, $diff_style, | 
 | 		                  [ \%diffinfo ], $hash_base, $hash_parent_base); | 
 | 		close $fd; | 
 |  | 
 | 		print "</div>\n"; # class="page_body" | 
 | 		git_footer_html(); | 
 |  | 
 | 	} else { | 
 | 		while (my $line = <$fd>) { | 
 | 			$line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg; | 
 | 			$line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg; | 
 |  | 
 | 			print $line; | 
 |  | 
 | 			last if $line =~ m!^\+\+\+!; | 
 | 		} | 
 | 		local $/ = undef; | 
 | 		print <$fd>; | 
 | 		close $fd; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_blobdiff_plain { | 
 | 	git_blobdiff('plain'); | 
 | } | 
 |  | 
 | # assumes that it is added as later part of already existing navigation, | 
 | # so it returns "| foo | bar" rather than just "foo | bar" | 
 | sub diff_style_nav { | 
 | 	my ($diff_style, $is_combined) = @_; | 
 | 	$diff_style ||= 'inline'; | 
 |  | 
 | 	return "" if ($is_combined); | 
 |  | 
 | 	my @styles = (inline => 'inline', 'sidebyside' => 'side by side'); | 
 | 	my %styles = @styles; | 
 | 	@styles = | 
 | 		@styles[ map { $_ * 2 } 0..$#styles/2 ]; | 
 |  | 
 | 	return join '', | 
 | 		map { " | ".$_ } | 
 | 		map { | 
 | 			$_ eq $diff_style ? $styles{$_} : | 
 | 			$cgi->a({-href => href(-replay=>1, diff_style => $_)}, $styles{$_}) | 
 | 		} @styles; | 
 | } | 
 |  | 
 | sub git_commitdiff { | 
 | 	my %params = @_; | 
 | 	my $format = $params{-format} || 'html'; | 
 | 	my $diff_style = $input_params{'diff_style'} || 'inline'; | 
 |  | 
 | 	my ($patch_max) = gitweb_get_feature('patches'); | 
 | 	if ($format eq 'patch') { | 
 | 		die_error(403, "Patch view not allowed") unless $patch_max; | 
 | 	} | 
 |  | 
 | 	$hash ||= $hash_base || "HEAD"; | 
 | 	my %co = parse_commit($hash) | 
 | 	    or die_error(404, "Unknown commit object"); | 
 |  | 
 | 	# choose format for commitdiff for merge | 
 | 	if (! defined $hash_parent && @{$co{'parents'}} > 1) { | 
 | 		$hash_parent = '--cc'; | 
 | 	} | 
 | 	# we need to prepare $formats_nav before almost any parameter munging | 
 | 	my $formats_nav; | 
 | 	if ($format eq 'html') { | 
 | 		$formats_nav = | 
 | 			$cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)}, | 
 | 			        "raw"); | 
 | 		if ($patch_max && @{$co{'parents'}} <= 1) { | 
 | 			$formats_nav .= " | " . | 
 | 				$cgi->a({-href => href(action=>"patch", -replay=>1)}, | 
 | 					"patch"); | 
 | 		} | 
 | 		$formats_nav .= diff_style_nav($diff_style, @{$co{'parents'}} > 1); | 
 |  | 
 | 		if (defined $hash_parent && | 
 | 		    $hash_parent ne '-c' && $hash_parent ne '--cc') { | 
 | 			# commitdiff with two commits given | 
 | 			my $hash_parent_short = $hash_parent; | 
 | 			if ($hash_parent =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 				$hash_parent_short = substr($hash_parent, 0, 7); | 
 | 			} | 
 | 			$formats_nav .= | 
 | 				' (from'; | 
 | 			for (my $i = 0; $i < @{$co{'parents'}}; $i++) { | 
 | 				if ($co{'parents'}[$i] eq $hash_parent) { | 
 | 					$formats_nav .= ' parent ' . ($i+1); | 
 | 					last; | 
 | 				} | 
 | 			} | 
 | 			$formats_nav .= ': ' . | 
 | 				$cgi->a({-href => href(-replay=>1, | 
 | 				                       hash=>$hash_parent, hash_base=>undef)}, | 
 | 				        esc_html($hash_parent_short)) . | 
 | 				')'; | 
 | 		} elsif (!$co{'parent'}) { | 
 | 			# --root commitdiff | 
 | 			$formats_nav .= ' (initial)'; | 
 | 		} elsif (scalar @{$co{'parents'}} == 1) { | 
 | 			# single parent commit | 
 | 			$formats_nav .= | 
 | 				' (parent: ' . | 
 | 				$cgi->a({-href => href(-replay=>1, | 
 | 				                       hash=>$co{'parent'}, hash_base=>undef)}, | 
 | 				        esc_html(substr($co{'parent'}, 0, 7))) . | 
 | 				')'; | 
 | 		} else { | 
 | 			# merge commit | 
 | 			if ($hash_parent eq '--cc') { | 
 | 				$formats_nav .= ' | ' . | 
 | 					$cgi->a({-href => href(-replay=>1, | 
 | 					                       hash=>$hash, hash_parent=>'-c')}, | 
 | 					        'combined'); | 
 | 			} else { # $hash_parent eq '-c' | 
 | 				$formats_nav .= ' | ' . | 
 | 					$cgi->a({-href => href(-replay=>1, | 
 | 					                       hash=>$hash, hash_parent=>'--cc')}, | 
 | 					        'compact'); | 
 | 			} | 
 | 			$formats_nav .= | 
 | 				' (merge: ' . | 
 | 				join(' ', map { | 
 | 					$cgi->a({-href => href(-replay=>1, | 
 | 					                       hash=>$_, hash_base=>undef)}, | 
 | 					        esc_html(substr($_, 0, 7))); | 
 | 				} @{$co{'parents'}} ) . | 
 | 				')'; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	my $hash_parent_param = $hash_parent; | 
 | 	if (!defined $hash_parent_param) { | 
 | 		# --cc for multiple parents, --root for parentless | 
 | 		$hash_parent_param = | 
 | 			@{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root'; | 
 | 	} | 
 |  | 
 | 	# read commitdiff | 
 | 	my $fd; | 
 | 	my @difftree; | 
 | 	if ($format eq 'html') { | 
 | 		open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, | 
 | 			"--no-commit-id", "--patch-with-raw", "--full-index", | 
 | 			$hash_parent_param, $hash, "--" | 
 | 			or die_error(500, "Open git-diff-tree failed"); | 
 |  | 
 | 		while (my $line = <$fd>) { | 
 | 			chomp $line; | 
 | 			# empty line ends raw part of diff-tree output | 
 | 			last unless $line; | 
 | 			push @difftree, scalar parse_difftree_raw_line($line); | 
 | 		} | 
 |  | 
 | 	} elsif ($format eq 'plain') { | 
 | 		open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, | 
 | 			'-p', $hash_parent_param, $hash, "--" | 
 | 			or die_error(500, "Open git-diff-tree failed"); | 
 | 	} elsif ($format eq 'patch') { | 
 | 		# For commit ranges, we limit the output to the number of | 
 | 		# patches specified in the 'patches' feature. | 
 | 		# For single commits, we limit the output to a single patch, | 
 | 		# diverging from the git-format-patch default. | 
 | 		my @commit_spec = (); | 
 | 		if ($hash_parent) { | 
 | 			if ($patch_max > 0) { | 
 | 				push @commit_spec, "-$patch_max"; | 
 | 			} | 
 | 			push @commit_spec, '-n', "$hash_parent..$hash"; | 
 | 		} else { | 
 | 			if ($params{-single}) { | 
 | 				push @commit_spec, '-1'; | 
 | 			} else { | 
 | 				if ($patch_max > 0) { | 
 | 					push @commit_spec, "-$patch_max"; | 
 | 				} | 
 | 				push @commit_spec, "-n"; | 
 | 			} | 
 | 			push @commit_spec, '--root', $hash; | 
 | 		} | 
 | 		open $fd, "-|", git_cmd(), "format-patch", @diff_opts, | 
 | 			'--encoding=utf8', '--stdout', @commit_spec | 
 | 			or die_error(500, "Open git-format-patch failed"); | 
 | 	} else { | 
 | 		die_error(400, "Unknown commitdiff format"); | 
 | 	} | 
 |  | 
 | 	# non-textual hash id's can be cached | 
 | 	my $expires; | 
 | 	if ($hash =~ m/^[0-9a-fA-F]{40}$/) { | 
 | 		$expires = "+1d"; | 
 | 	} | 
 |  | 
 | 	# write commit message | 
 | 	if ($format eq 'html') { | 
 | 		my $refs = git_get_references(); | 
 | 		my $ref = format_ref_marker($refs, $co{'id'}); | 
 |  | 
 | 		git_header_html(undef, $expires); | 
 | 		git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav); | 
 | 		git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash); | 
 | 		print "<div class=\"title_text\">\n" . | 
 | 		      "<table class=\"object_header\">\n"; | 
 | 		git_print_authorship_rows(\%co); | 
 | 		print "</table>". | 
 | 		      "</div>\n"; | 
 | 		print "<div class=\"page_body\">\n"; | 
 | 		if (@{$co{'comment'}} > 1) { | 
 | 			print "<div class=\"log\">\n"; | 
 | 			git_print_log($co{'comment'}, -final_empty_line=> 1, -remove_title => 1); | 
 | 			print "</div>\n"; # class="log" | 
 | 		} | 
 |  | 
 | 	} elsif ($format eq 'plain') { | 
 | 		my $refs = git_get_references("tags"); | 
 | 		my $tagname = git_get_rev_name_tags($hash); | 
 | 		my $filename = basename($project) . "-$hash.patch"; | 
 |  | 
 | 		print $cgi->header( | 
 | 			-type => 'text/plain', | 
 | 			-charset => 'utf-8', | 
 | 			-expires => $expires, | 
 | 			-content_disposition => 'inline; filename="' . "$filename" . '"'); | 
 | 		my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'}); | 
 | 		print "From: " . to_utf8($co{'author'}) . "\n"; | 
 | 		print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n"; | 
 | 		print "Subject: " . to_utf8($co{'title'}) . "\n"; | 
 |  | 
 | 		print "X-Git-Tag: $tagname\n" if $tagname; | 
 | 		print "X-Git-Url: " . $cgi->self_url() . "\n\n"; | 
 |  | 
 | 		foreach my $line (@{$co{'comment'}}) { | 
 | 			print to_utf8($line) . "\n"; | 
 | 		} | 
 | 		print "---\n\n"; | 
 | 	} elsif ($format eq 'patch') { | 
 | 		my $filename = basename($project) . "-$hash.patch"; | 
 |  | 
 | 		print $cgi->header( | 
 | 			-type => 'text/plain', | 
 | 			-charset => 'utf-8', | 
 | 			-expires => $expires, | 
 | 			-content_disposition => 'inline; filename="' . "$filename" . '"'); | 
 | 	} | 
 |  | 
 | 	# write patch | 
 | 	if ($format eq 'html') { | 
 | 		my $use_parents = !defined $hash_parent || | 
 | 			$hash_parent eq '-c' || $hash_parent eq '--cc'; | 
 | 		git_difftree_body(\@difftree, $hash, | 
 | 		                  $use_parents ? @{$co{'parents'}} : $hash_parent); | 
 | 		print "<br/>\n"; | 
 |  | 
 | 		git_patchset_body($fd, $diff_style, | 
 | 		                  \@difftree, $hash, | 
 | 		                  $use_parents ? @{$co{'parents'}} : $hash_parent); | 
 | 		close $fd; | 
 | 		print "</div>\n"; # class="page_body" | 
 | 		git_footer_html(); | 
 |  | 
 | 	} elsif ($format eq 'plain') { | 
 | 		local $/ = undef; | 
 | 		print <$fd>; | 
 | 		close $fd | 
 | 			or print "Reading git-diff-tree failed\n"; | 
 | 	} elsif ($format eq 'patch') { | 
 | 		local $/ = undef; | 
 | 		print <$fd>; | 
 | 		close $fd | 
 | 			or print "Reading git-format-patch failed\n"; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_commitdiff_plain { | 
 | 	git_commitdiff(-format => 'plain'); | 
 | } | 
 |  | 
 | # format-patch-style patches | 
 | sub git_patch { | 
 | 	git_commitdiff(-format => 'patch', -single => 1); | 
 | } | 
 |  | 
 | sub git_patches { | 
 | 	git_commitdiff(-format => 'patch'); | 
 | } | 
 |  | 
 | sub git_history { | 
 | 	git_log_generic('history', \&git_history_body, | 
 | 	                $hash_base, $hash_parent_base, | 
 | 	                $file_name, $hash); | 
 | } | 
 |  | 
 | sub git_search { | 
 | 	$searchtype ||= 'commit'; | 
 |  | 
 | 	# check if appropriate features are enabled | 
 | 	gitweb_check_feature('search') | 
 | 		or die_error(403, "Search is disabled"); | 
 | 	if ($searchtype eq 'pickaxe') { | 
 | 		# pickaxe may take all resources of your box and run for several minutes | 
 | 		# with every query - so decide by yourself how public you make this feature | 
 | 		gitweb_check_feature('pickaxe') | 
 | 			or die_error(403, "Pickaxe search is disabled"); | 
 | 	} | 
 | 	if ($searchtype eq 'grep') { | 
 | 		# grep search might be potentially CPU-intensive, too | 
 | 		gitweb_check_feature('grep') | 
 | 			or die_error(403, "Grep search is disabled"); | 
 | 	} | 
 |  | 
 | 	if (!defined $searchtext) { | 
 | 		die_error(400, "Text field is empty"); | 
 | 	} | 
 | 	if (!defined $hash) { | 
 | 		$hash = git_get_head_hash($project); | 
 | 	} | 
 | 	my %co = parse_commit($hash); | 
 | 	if (!%co) { | 
 | 		die_error(404, "Unknown commit object"); | 
 | 	} | 
 | 	if (!defined $page) { | 
 | 		$page = 0; | 
 | 	} | 
 |  | 
 | 	if ($searchtype eq 'commit' || | 
 | 	    $searchtype eq 'author' || | 
 | 	    $searchtype eq 'committer') { | 
 | 		git_search_message(%co); | 
 | 	} elsif ($searchtype eq 'pickaxe') { | 
 | 		git_search_changes(%co); | 
 | 	} elsif ($searchtype eq 'grep') { | 
 | 		git_search_files(%co); | 
 | 	} else { | 
 | 		die_error(400, "Unknown search type"); | 
 | 	} | 
 | } | 
 |  | 
 | sub git_search_help { | 
 | 	git_header_html(); | 
 | 	git_print_page_nav('','', $hash,$hash,$hash); | 
 | 	print <<EOT; | 
 | <p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without | 
 | regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox, | 
 | the pattern entered is recognized as the POSIX extended | 
 | <a href="http://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case | 
 | insensitive).</p> | 
 | <dl> | 
 | <dt><b>commit</b></dt> | 
 | <dd>The commit messages and authorship information will be scanned for the given pattern.</dd> | 
 | EOT | 
 | 	my $have_grep = gitweb_check_feature('grep'); | 
 | 	if ($have_grep) { | 
 | 		print <<EOT; | 
 | <dt><b>grep</b></dt> | 
 | <dd>All files in the currently selected tree (HEAD unless you are explicitly browsing | 
 |     a different one) are searched for the given pattern. On large trees, this search can take | 
 | a while and put some strain on the server, so please use it with some consideration. Note that | 
 | due to git-grep peculiarity, currently if regexp mode is turned off, the matches are | 
 | case-sensitive.</dd> | 
 | EOT | 
 | 	} | 
 | 	print <<EOT; | 
 | <dt><b>author</b></dt> | 
 | <dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd> | 
 | <dt><b>committer</b></dt> | 
 | <dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd> | 
 | EOT | 
 | 	my $have_pickaxe = gitweb_check_feature('pickaxe'); | 
 | 	if ($have_pickaxe) { | 
 | 		print <<EOT; | 
 | <dt><b>pickaxe</b></dt> | 
 | <dd>All commits that caused the string to appear or disappear from any file (changes that | 
 | added, removed or "modified" the string) will be listed. This search can take a while and | 
 | takes a lot of strain on the server, so please use it wisely. Note that since you may be | 
 | interested even in changes just changing the case as well, this search is case sensitive.</dd> | 
 | EOT | 
 | 	} | 
 | 	print "</dl>\n"; | 
 | 	git_footer_html(); | 
 | } | 
 |  | 
 | sub git_shortlog { | 
 | 	git_log_generic('shortlog', \&git_shortlog_body, | 
 | 	                $hash, $hash_parent); | 
 | } | 
 |  | 
 | ## ...................................................................... | 
 | ## feeds (RSS, Atom; OPML) | 
 |  | 
 | sub git_feed { | 
 | 	my $format = shift || 'atom'; | 
 | 	my $have_blame = gitweb_check_feature('blame'); | 
 |  | 
 | 	# Atom: http://www.atomenabled.org/developers/syndication/ | 
 | 	# RSS:  http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ | 
 | 	if ($format ne 'rss' && $format ne 'atom') { | 
 | 		die_error(400, "Unknown web feed format"); | 
 | 	} | 
 |  | 
 | 	# log/feed of current (HEAD) branch, log of given branch, history of file/directory | 
 | 	my $head = $hash || 'HEAD'; | 
 | 	my @commitlist = parse_commits($head, 150, 0, $file_name); | 
 |  | 
 | 	my %latest_commit; | 
 | 	my %latest_date; | 
 | 	my $content_type = "application/$format+xml"; | 
 | 	if (defined $cgi->http('HTTP_ACCEPT') && | 
 | 		 $cgi->Accept('text/xml') > $cgi->Accept($content_type)) { | 
 | 		# browser (feed reader) prefers text/xml | 
 | 		$content_type = 'text/xml'; | 
 | 	} | 
 | 	if (defined($commitlist[0])) { | 
 | 		%latest_commit = %{$commitlist[0]}; | 
 | 		my $latest_epoch = $latest_commit{'committer_epoch'}; | 
 | 		exit_if_unmodified_since($latest_epoch); | 
 | 		%latest_date = parse_date($latest_epoch, $latest_commit{'committer_tz'}); | 
 | 	} | 
 | 	print $cgi->header( | 
 | 		-type => $content_type, | 
 | 		-charset => 'utf-8', | 
 | 		%latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (), | 
 | 		-status => '200 OK'); | 
 |  | 
 | 	# Optimization: skip generating the body if client asks only | 
 | 	# for Last-Modified date. | 
 | 	return if ($cgi->request_method() eq 'HEAD'); | 
 |  | 
 | 	# header variables | 
 | 	my $title = "$site_name - $project/$action"; | 
 | 	my $feed_type = 'log'; | 
 | 	if (defined $hash) { | 
 | 		$title .= " - '$hash'"; | 
 | 		$feed_type = 'branch log'; | 
 | 		if (defined $file_name) { | 
 | 			$title .= " :: $file_name"; | 
 | 			$feed_type = 'history'; | 
 | 		} | 
 | 	} elsif (defined $file_name) { | 
 | 		$title .= " - $file_name"; | 
 | 		$feed_type = 'history'; | 
 | 	} | 
 | 	$title .= " $feed_type"; | 
 | 	$title = esc_html($title); | 
 | 	my $descr = git_get_project_description($project); | 
 | 	if (defined $descr) { | 
 | 		$descr = esc_html($descr); | 
 | 	} else { | 
 | 		$descr = "$project " . | 
 | 		         ($format eq 'rss' ? 'RSS' : 'Atom') . | 
 | 		         " feed"; | 
 | 	} | 
 | 	my $owner = git_get_project_owner($project); | 
 | 	$owner = esc_html($owner); | 
 |  | 
 | 	#header | 
 | 	my $alt_url; | 
 | 	if (defined $file_name) { | 
 | 		$alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name); | 
 | 	} elsif (defined $hash) { | 
 | 		$alt_url = href(-full=>1, action=>"log", hash=>$hash); | 
 | 	} else { | 
 | 		$alt_url = href(-full=>1, action=>"summary"); | 
 | 	} | 
 | 	print qq!<?xml version="1.0" encoding="utf-8"?>\n!; | 
 | 	if ($format eq 'rss') { | 
 | 		print <<XML; | 
 | <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/"> | 
 | <channel> | 
 | XML | 
 | 		print "<title>$title</title>\n" . | 
 | 		      "<link>$alt_url</link>\n" . | 
 | 		      "<description>$descr</description>\n" . | 
 | 		      "<language>en</language>\n" . | 
 | 		      # project owner is responsible for 'editorial' content | 
 | 		      "<managingEditor>$owner</managingEditor>\n"; | 
 | 		if (defined $logo || defined $favicon) { | 
 | 			# prefer the logo to the favicon, since RSS | 
 | 			# doesn't allow both | 
 | 			my $img = esc_url($logo || $favicon); | 
 | 			print "<image>\n" . | 
 | 			      "<url>$img</url>\n" . | 
 | 			      "<title>$title</title>\n" . | 
 | 			      "<link>$alt_url</link>\n" . | 
 | 			      "</image>\n"; | 
 | 		} | 
 | 		if (%latest_date) { | 
 | 			print "<pubDate>$latest_date{'rfc2822'}</pubDate>\n"; | 
 | 			print "<lastBuildDate>$latest_date{'rfc2822'}</lastBuildDate>\n"; | 
 | 		} | 
 | 		print "<generator>gitweb v.$version/$git_version</generator>\n"; | 
 | 	} elsif ($format eq 'atom') { | 
 | 		print <<XML; | 
 | <feed xmlns="http://www.w3.org/2005/Atom"> | 
 | XML | 
 | 		print "<title>$title</title>\n" . | 
 | 		      "<subtitle>$descr</subtitle>\n" . | 
 | 		      '<link rel="alternate" type="text/html" href="' . | 
 | 		      $alt_url . '" />' . "\n" . | 
 | 		      '<link rel="self" type="' . $content_type . '" href="' . | 
 | 		      $cgi->self_url() . '" />' . "\n" . | 
 | 		      "<id>" . href(-full=>1) . "</id>\n" . | 
 | 		      # use project owner for feed author | 
 | 		      "<author><name>$owner</name></author>\n"; | 
 | 		if (defined $favicon) { | 
 | 			print "<icon>" . esc_url($favicon) . "</icon>\n"; | 
 | 		} | 
 | 		if (defined $logo) { | 
 | 			# not twice as wide as tall: 72 x 27 pixels | 
 | 			print "<logo>" . esc_url($logo) . "</logo>\n"; | 
 | 		} | 
 | 		if (! %latest_date) { | 
 | 			# dummy date to keep the feed valid until commits trickle in: | 
 | 			print "<updated>1970-01-01T00:00:00Z</updated>\n"; | 
 | 		} else { | 
 | 			print "<updated>$latest_date{'iso-8601'}</updated>\n"; | 
 | 		} | 
 | 		print "<generator version='$version/$git_version'>gitweb</generator>\n"; | 
 | 	} | 
 |  | 
 | 	# contents | 
 | 	for (my $i = 0; $i <= $#commitlist; $i++) { | 
 | 		my %co = %{$commitlist[$i]}; | 
 | 		my $commit = $co{'id'}; | 
 | 		# we read 150, we always show 30 and the ones more recent than 48 hours | 
 | 		if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) { | 
 | 			last; | 
 | 		} | 
 | 		my %cd = parse_date($co{'author_epoch'}, $co{'author_tz'}); | 
 |  | 
 | 		# get list of changed files | 
 | 		open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, | 
 | 			$co{'parent'} || "--root", | 
 | 			$co{'id'}, "--", (defined $file_name ? $file_name : ()) | 
 | 			or next; | 
 | 		my @difftree = map { chomp; $_ } <$fd>; | 
 | 		close $fd | 
 | 			or next; | 
 |  | 
 | 		# print element (entry, item) | 
 | 		my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit); | 
 | 		if ($format eq 'rss') { | 
 | 			print "<item>\n" . | 
 | 			      "<title>" . esc_html($co{'title'}) . "</title>\n" . | 
 | 			      "<author>" . esc_html($co{'author'}) . "</author>\n" . | 
 | 			      "<pubDate>$cd{'rfc2822'}</pubDate>\n" . | 
 | 			      "<guid isPermaLink=\"true\">$co_url</guid>\n" . | 
 | 			      "<link>$co_url</link>\n" . | 
 | 			      "<description>" . esc_html($co{'title'}) . "</description>\n" . | 
 | 			      "<content:encoded>" . | 
 | 			      "<![CDATA[\n"; | 
 | 		} elsif ($format eq 'atom') { | 
 | 			print "<entry>\n" . | 
 | 			      "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" . | 
 | 			      "<updated>$cd{'iso-8601'}</updated>\n" . | 
 | 			      "<author>\n" . | 
 | 			      "  <name>" . esc_html($co{'author_name'}) . "</name>\n"; | 
 | 			if ($co{'author_email'}) { | 
 | 				print "  <email>" . esc_html($co{'author_email'}) . "</email>\n"; | 
 | 			} | 
 | 			print "</author>\n" . | 
 | 			      # use committer for contributor | 
 | 			      "<contributor>\n" . | 
 | 			      "  <name>" . esc_html($co{'committer_name'}) . "</name>\n"; | 
 | 			if ($co{'committer_email'}) { | 
 | 				print "  <email>" . esc_html($co{'committer_email'}) . "</email>\n"; | 
 | 			} | 
 | 			print "</contributor>\n" . | 
 | 			      "<published>$cd{'iso-8601'}</published>\n" . | 
 | 			      "<link rel=\"alternate\" type=\"text/html\" href=\"$co_url\" />\n" . | 
 | 			      "<id>$co_url</id>\n" . | 
 | 			      "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" . | 
 | 			      "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n"; | 
 | 		} | 
 | 		my $comment = $co{'comment'}; | 
 | 		print "<pre>\n"; | 
 | 		foreach my $line (@$comment) { | 
 | 			$line = esc_html($line); | 
 | 			print "$line\n"; | 
 | 		} | 
 | 		print "</pre><ul>\n"; | 
 | 		foreach my $difftree_line (@difftree) { | 
 | 			my %difftree = parse_difftree_raw_line($difftree_line); | 
 | 			next if !$difftree{'from_id'}; | 
 |  | 
 | 			my $file = $difftree{'file'} || $difftree{'to_file'}; | 
 |  | 
 | 			print "<li>" . | 
 | 			      "[" . | 
 | 			      $cgi->a({-href => href(-full=>1, action=>"blobdiff", | 
 | 			                             hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'}, | 
 | 			                             hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'}, | 
 | 			                             file_name=>$file, file_parent=>$difftree{'from_file'}), | 
 | 			              -title => "diff"}, 'D'); | 
 | 			if ($have_blame) { | 
 | 				print $cgi->a({-href => href(-full=>1, action=>"blame", | 
 | 				                             file_name=>$file, hash_base=>$commit), | 
 | 				              -title => "blame"}, 'B'); | 
 | 			} | 
 | 			# if this is not a feed of a file history | 
 | 			if (!defined $file_name || $file_name ne $file) { | 
 | 				print $cgi->a({-href => href(-full=>1, action=>"history", | 
 | 				                             file_name=>$file, hash=>$commit), | 
 | 				              -title => "history"}, 'H'); | 
 | 			} | 
 | 			$file = esc_path($file); | 
 | 			print "] ". | 
 | 			      "$file</li>\n"; | 
 | 		} | 
 | 		if ($format eq 'rss') { | 
 | 			print "</ul>]]>\n" . | 
 | 			      "</content:encoded>\n" . | 
 | 			      "</item>\n"; | 
 | 		} elsif ($format eq 'atom') { | 
 | 			print "</ul>\n</div>\n" . | 
 | 			      "</content>\n" . | 
 | 			      "</entry>\n"; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	# end of feed | 
 | 	if ($format eq 'rss') { | 
 | 		print "</channel>\n</rss>\n"; | 
 | 	} elsif ($format eq 'atom') { | 
 | 		print "</feed>\n"; | 
 | 	} | 
 | } | 
 |  | 
 | sub git_rss { | 
 | 	git_feed('rss'); | 
 | } | 
 |  | 
 | sub git_atom { | 
 | 	git_feed('atom'); | 
 | } | 
 |  | 
 | sub git_opml { | 
 | 	my @list = git_get_projects_list($project_filter, $strict_export); | 
 | 	if (!@list) { | 
 | 		die_error(404, "No projects found"); | 
 | 	} | 
 |  | 
 | 	print $cgi->header( | 
 | 		-type => 'text/xml', | 
 | 		-charset => 'utf-8', | 
 | 		-content_disposition => 'inline; filename="opml.xml"'); | 
 |  | 
 | 	my $title = esc_html($site_name); | 
 | 	my $filter = " within subdirectory "; | 
 | 	if (defined $project_filter) { | 
 | 		$filter .= esc_html($project_filter); | 
 | 	} else { | 
 | 		$filter = ""; | 
 | 	} | 
 | 	print <<XML; | 
 | <?xml version="1.0" encoding="utf-8"?> | 
 | <opml version="1.0"> | 
 | <head> | 
 |   <title>$title OPML Export$filter</title> | 
 | </head> | 
 | <body> | 
 | <outline text="git RSS feeds"> | 
 | XML | 
 |  | 
 | 	foreach my $pr (@list) { | 
 | 		my %proj = %$pr; | 
 | 		my $head = git_get_head_hash($proj{'path'}); | 
 | 		if (!defined $head) { | 
 | 			next; | 
 | 		} | 
 | 		$git_dir = "$projectroot/$proj{'path'}"; | 
 | 		my %co = parse_commit($head); | 
 | 		if (!%co) { | 
 | 			next; | 
 | 		} | 
 |  | 
 | 		my $path = esc_html(chop_str($proj{'path'}, 25, 5)); | 
 | 		my $rss  = href('project' => $proj{'path'}, 'action' => 'rss', -full => 1); | 
 | 		my $html = href('project' => $proj{'path'}, 'action' => 'summary', -full => 1); | 
 | 		print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n"; | 
 | 	} | 
 | 	print <<XML; | 
 | </outline> | 
 | </body> | 
 | </opml> | 
 | XML | 
 | } |