t/t0060-path-utils.sh - git - Git at Google

 #!/bin/sh
 #
 # Copyright (c) 2008 David Reiss
 #

 test_description='Test various path utilities'

 . ./test-lib.sh

 norm_path() {
 	expected=$(test-tool path-utils print_path "$2")
 	test_expect_success $3 "normalize path: $1 => $2" \
 	"test \"\$(test-tool path-utils normalize_path_copy '$1')\" = '$expected'"
 }

 relative_path() {
 	expected=$(test-tool path-utils print_path "$3")
 	test_expect_success $4 "relative path: $1 $2 => $3" \
 	"test \"\$(test-tool path-utils relative_path '$1' '$2')\" = '$expected'"
 }

 test_submodule_relative_url() {
 	test_expect_success "test_submodule_relative_url: $1 $2 $3 => $4" "
 		actual=\$(git submodule--helper resolve-relative-url-test '$1' '$2' '$3') &&
 		test \"\$actual\" = '$4'
 	"
 }

 test_git_path() {
 	test_expect_success "git-path $1 $2 => $3" "
 		$1 git rev-parse --git-path $2 >actual &&
 		echo $3 >expect &&
 		test_cmp expect actual
 	"
 }

 # On Windows, we are using MSYS's bash, which mangles the paths.
 # Absolute paths are anchored at the MSYS installation directory,
 # which means that the path / accounts for this many characters:
 rootoff=$(test-tool path-utils normalize_path_copy / | wc -c)
 # Account for the trailing LF:
 if test $rootoff = 2; then
 	rootoff=	# we are on Unix
 else
 	rootoff=$(($rootoff-1))
 	# In MSYS2, the root directory "/" is translated into a Windows
 	# directory *with* trailing slash. Let's test for that and adjust
 	# our expected longest ancestor length accordingly.
 	case "$(test-tool path-utils print_path /)" in
 	*/) rootslash=1;;
 	*) rootslash=0;;
 	esac
 fi

 ancestor() {
 	# We do some math with the expected ancestor length.
 	expected=$3
 	if test -n "$rootoff" && test "x$expected" != x-1; then
 		expected=$(($expected-$rootslash))
 		test $expected -lt 0 ||
 		expected=$(($expected+$rootoff))
 	fi
 	test_expect_success "longest ancestor: $1 $2 => $expected" \
 	"actual=\$(test-tool path-utils longest_ancestor_length '$1' '$2') &&
 	 test \"\$actual\" = '$expected'"
 }

 # Some absolute path tests should be skipped on Windows due to path mangling
 # on POSIX-style absolute paths
 case $(uname -s) in
 *MINGW*)
 	;;
 *CYGWIN*)
 	;;
 *)
 	test_set_prereq POSIX
 	;;
 esac

 test_expect_success basename 'test-tool path-utils basename'
 test_expect_success dirname 'test-tool path-utils dirname'

 norm_path "" ""
 norm_path . ""
 norm_path ./ ""
 norm_path ./. ""
 norm_path ./.. ++failed++
 norm_path ../. ++failed++
 norm_path ./../.// ++failed++
 norm_path dir/.. ""
 norm_path dir/sub/../.. ""
 norm_path dir/sub/../../.. ++failed++
 norm_path dir dir
 norm_path dir// dir/
 norm_path ./dir dir
 norm_path dir/. dir/
 norm_path dir///./ dir/
 norm_path dir//sub/.. dir/
 norm_path dir/sub/../ dir/
 norm_path dir/sub/../. dir/
 norm_path dir/s1/../s2/ dir/s2/
 norm_path d1/s1///s2/..//../s3/ d1/s3/
 norm_path d1/s1//../s2/../../d2 d2
 norm_path d1/.../d2 d1/.../d2
 norm_path d1/..././../d2 d1/d2

 norm_path / /
 norm_path // / POSIX
 norm_path /// / POSIX
 norm_path /. /
 norm_path /./ / POSIX
 norm_path /./.. ++failed++ POSIX
 norm_path /../. ++failed++
 norm_path /./../.// ++failed++ POSIX
 norm_path /dir/.. / POSIX
 norm_path /dir/sub/../.. / POSIX
 norm_path /dir/sub/../../.. ++failed++ POSIX
 norm_path /dir /dir
 norm_path /dir// /dir/
 norm_path /./dir /dir
 norm_path /dir/. /dir/
 norm_path /dir///./ /dir/
 norm_path /dir//sub/.. /dir/
 norm_path /dir/sub/../ /dir/
 norm_path //dir/sub/../. /dir/ POSIX
 norm_path /dir/s1/../s2/ /dir/s2/
 norm_path /d1/s1///s2/..//../s3/ /d1/s3/
 norm_path /d1/s1//../s2/../../d2 /d2
 norm_path /d1/.../d2 /d1/.../d2
 norm_path /d1/..././../d2 /d1/d2

 ancestor / / -1
 ancestor /foo / 0
 ancestor /foo /fo -1
 ancestor /foo /foo -1
 ancestor /foo /bar -1
 ancestor /foo /foo/bar -1
 ancestor /foo /foo:/bar -1
 ancestor /foo /:/foo:/bar 0
 ancestor /foo /foo:/:/bar 0
 ancestor /foo /:/bar:/foo 0
 ancestor /foo/bar / 0
 ancestor /foo/bar /fo -1
 ancestor /foo/bar /foo 4
 ancestor /foo/bar /foo/ba -1
 ancestor /foo/bar /:/fo 0
 ancestor /foo/bar /foo:/foo/ba 4
 ancestor /foo/bar /bar -1
 ancestor /foo/bar /fo -1
 ancestor /foo/bar /foo:/bar 4
 ancestor /foo/bar /:/foo:/bar 4
 ancestor /foo/bar /foo:/:/bar 4
 ancestor /foo/bar /:/bar:/fo 0
 ancestor /foo/bar /:/bar 0
 ancestor /foo/bar /foo 4
 ancestor /foo/bar /foo:/bar 4
 ancestor /foo/bar /bar -1

 test_expect_success 'strip_path_suffix' '
 	test c:/msysgit = $(test-tool path-utils strip_path_suffix \
 		c:/msysgit/libexec//git-core libexec/git-core)
 '

 test_expect_success 'absolute path rejects the empty string' '
 	test_must_fail test-tool path-utils absolute_path ""
 '

 test_expect_success MINGW '<drive-letter>:\\abc is an absolute path' '
 	for letter in : \" C Z 1 ä
 	do
 		path=$letter:\\abc &&
 		absolute="$(test-tool path-utils absolute_path "$path")" &&
 		test "$path" = "$absolute" || return 1
 	done
 '

 test_expect_success 'real path rejects the empty string' '
 	test_must_fail test-tool path-utils real_path ""
 '

 test_expect_success POSIX 'real path works on absolute paths 1' '
 	nopath="hopefully-absent-path" &&
 	test "/" = "$(test-tool path-utils real_path "/")" &&
 	test "/$nopath" = "$(test-tool path-utils real_path "/$nopath")"
 '

 test_expect_success 'real path works on absolute paths 2' '
 	nopath="hopefully-absent-path" &&
 	# Find an existing top-level directory for the remaining tests:
 	d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 	test "$d" = "$(test-tool path-utils real_path "$d")" &&
 	test "$d/$nopath" = "$(test-tool path-utils real_path "$d/$nopath")"
 '

 test_expect_success POSIX 'real path removes extra leading slashes' '
 	nopath="hopefully-absent-path" &&
 	test "/" = "$(test-tool path-utils real_path "///")" &&
 	test "/$nopath" = "$(test-tool path-utils real_path "///$nopath")" &&
 	# Find an existing top-level directory for the remaining tests:
 	d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 	test "$d" = "$(test-tool path-utils real_path "//$d")" &&
 	test "$d/$nopath" = "$(test-tool path-utils real_path "//$d/$nopath")"
 '

 test_expect_success 'real path removes other extra slashes' '
 	nopath="hopefully-absent-path" &&
 	# Find an existing top-level directory for the remaining tests:
 	d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
 	test "$d" = "$(test-tool path-utils real_path "$d///")" &&
 	test "$d/$nopath" = "$(test-tool path-utils real_path "$d///$nopath")"
 '

 test_expect_success SYMLINKS 'real path works on symlinks' '
 	mkdir first &&
 	ln -s ../.git first/.git &&
 	mkdir second &&
 	ln -s ../first second/other &&
 	mkdir third &&
 	dir="$(cd .git; pwd -P)" &&
 	dir2=third/../second/other/.git &&
 	test "$dir" = "$(test-tool path-utils real_path $dir2)" &&
 	file="$dir"/index &&
 	test "$file" = "$(test-tool path-utils real_path $dir2/index)" &&
 	basename=blub &&
 	test "$dir/$basename" = "$(cd .git && test-tool path-utils real_path "$basename")" &&
 	ln -s ../first/file .git/syml &&
 	sym="$(cd first; pwd -P)"/file &&
 	test "$sym" = "$(test-tool path-utils real_path "$dir2/syml")"
 '

 test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
 	ln -s target symlink &&
 	test "$(test-tool path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
 '

 test_expect_success 'prefix_path works with only absolute path to work tree' '
 	echo "" >expected &&
 	test-tool path-utils prefix_path prefix "$(pwd)" >actual &&
 	test_cmp expected actual
 '

 test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
 	test_must_fail test-tool path-utils prefix_path prefix "$(pwd)a"
 '

 test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having  same beginning as work tree' '
 	git init repo &&
 	ln -s repo repolink &&
 	test "a" = "$(cd repo && test-tool path-utils prefix_path prefix "$(pwd)/../repolink/a")"
 '

 relative_path /foo/a/b/c/	/foo/a/b/	c/
 relative_path /foo/a/b/c/	/foo/a/b	c/
 relative_path /foo/a//b//c/	///foo/a/b//	c/		POSIX
 relative_path /foo/a/b		/foo/a/b	./
 relative_path /foo/a/b/		/foo/a/b	./
 relative_path /foo/a		/foo/a/b	../
 relative_path /			/foo/a/b/	../../../
 relative_path /foo/a/c		/foo/a/b/	../c
 relative_path /foo/a/c		/foo/a/b	../c
 relative_path /foo/x/y		/foo/a/b/	../../x/y
 relative_path /foo/a/b		"<empty>"	/foo/a/b
 relative_path /foo/a/b 		"<null>"	/foo/a/b
 relative_path foo/a/b/c/	foo/a/b/	c/
 relative_path foo/a/b/c/	foo/a/b		c/
 relative_path foo/a/b//c	foo/a//b	c
 relative_path foo/a/b/		foo/a/b/	./
 relative_path foo/a/b/		foo/a/b		./
 relative_path foo/a		foo/a/b		../
 relative_path foo/x/y		foo/a/b		../../x/y
 relative_path foo/a/c		foo/a/b		../c
 relative_path foo/a/b		/foo/x/y	foo/a/b
 relative_path /foo/a/b		foo/x/y		/foo/a/b
 relative_path d:/a/b		D:/a/c		../b		MINGW
 relative_path C:/a/b		D:/a/c		C:/a/b		MINGW
 relative_path foo/a/b		"<empty>"	foo/a/b
 relative_path foo/a/b 		"<null>"	foo/a/b
 relative_path "<empty>"		/foo/a/b	./
 relative_path "<empty>"		"<empty>"	./
 relative_path "<empty>"		"<null>"	./
 relative_path "<null>"		"<empty>"	./
 relative_path "<null>"		"<null>"	./
 relative_path "<null>"		/foo/a/b	./

 test_git_path A=B                info/grafts .git/info/grafts
 test_git_path GIT_GRAFT_FILE=foo info/grafts foo
 test_git_path GIT_GRAFT_FILE=foo info/////grafts foo
 test_git_path GIT_INDEX_FILE=foo index foo
 test_git_path GIT_INDEX_FILE=foo index/foo .git/index/foo
 test_git_path GIT_INDEX_FILE=foo index2 .git/index2
 test_expect_success 'setup fake objects directory foo' 'mkdir foo'
 test_git_path GIT_OBJECT_DIRECTORY=foo objects foo
 test_git_path GIT_OBJECT_DIRECTORY=foo objects/foo foo/foo
 test_git_path GIT_OBJECT_DIRECTORY=foo objects2 .git/objects2
 test_expect_success 'setup common repository' 'git --git-dir=bar init'
 test_git_path GIT_COMMON_DIR=bar index                    .git/index
 test_git_path GIT_COMMON_DIR=bar index.lock               .git/index.lock
 test_git_path GIT_COMMON_DIR=bar HEAD                     .git/HEAD
 test_git_path GIT_COMMON_DIR=bar logs/HEAD                .git/logs/HEAD
 test_git_path GIT_COMMON_DIR=bar logs/HEAD.lock           .git/logs/HEAD.lock
 test_git_path GIT_COMMON_DIR=bar logs/refs/bisect/foo     .git/logs/refs/bisect/foo
 test_git_path GIT_COMMON_DIR=bar logs/refs                bar/logs/refs
 test_git_path GIT_COMMON_DIR=bar logs/refs/               bar/logs/refs/
 test_git_path GIT_COMMON_DIR=bar logs/refs/bisec/foo      bar/logs/refs/bisec/foo
 test_git_path GIT_COMMON_DIR=bar logs/refs/bisec          bar/logs/refs/bisec
 test_git_path GIT_COMMON_DIR=bar logs/refs/bisectfoo      bar/logs/refs/bisectfoo
 test_git_path GIT_COMMON_DIR=bar objects                  bar/objects
 test_git_path GIT_COMMON_DIR=bar objects/bar              bar/objects/bar
 test_git_path GIT_COMMON_DIR=bar info/exclude             bar/info/exclude
 test_git_path GIT_COMMON_DIR=bar info/grafts              bar/info/grafts
 test_git_path GIT_COMMON_DIR=bar info/sparse-checkout     .git/info/sparse-checkout
 test_git_path GIT_COMMON_DIR=bar info//sparse-checkout    .git/info//sparse-checkout
 test_git_path GIT_COMMON_DIR=bar remotes/bar              bar/remotes/bar
 test_git_path GIT_COMMON_DIR=bar branches/bar             bar/branches/bar
 test_git_path GIT_COMMON_DIR=bar logs/refs/heads/master   bar/logs/refs/heads/master
 test_git_path GIT_COMMON_DIR=bar refs/heads/master        bar/refs/heads/master
 test_git_path GIT_COMMON_DIR=bar refs/bisect/foo          .git/refs/bisect/foo
 test_git_path GIT_COMMON_DIR=bar hooks/me                 bar/hooks/me
 test_git_path GIT_COMMON_DIR=bar config                   bar/config
 test_git_path GIT_COMMON_DIR=bar packed-refs              bar/packed-refs
 test_git_path GIT_COMMON_DIR=bar shallow                  bar/shallow
 test_git_path GIT_COMMON_DIR=bar common                   bar/common
 test_git_path GIT_COMMON_DIR=bar common/file              bar/common/file

 # In the tests below, $(pwd) must be used because it is a native path on
 # Windows and avoids MSYS's path mangling (which simplifies "foo/../bar" and
 # strips the dot from trailing "/.").

 test_submodule_relative_url "../" "../foo" "../submodule" "../../submodule"
 test_submodule_relative_url "../" "../foo/bar" "../submodule" "../../foo/submodule"
 test_submodule_relative_url "../" "../foo/submodule" "../submodule" "../../foo/submodule"
 test_submodule_relative_url "../" "./foo" "../submodule" "../submodule"
 test_submodule_relative_url "../" "./foo/bar" "../submodule" "../foo/submodule"
 test_submodule_relative_url "../../../" "../foo/bar" "../sub/a/b/c" "../../../../foo/sub/a/b/c"
 test_submodule_relative_url "../" "$(pwd)/addtest" "../repo" "$(pwd)/repo"
 test_submodule_relative_url "../" "foo/bar" "../submodule" "../foo/submodule"
 test_submodule_relative_url "../" "foo" "../submodule" "../submodule"

 test_submodule_relative_url "(null)" "../foo/bar" "../sub/a/b/c" "../foo/sub/a/b/c"
 test_submodule_relative_url "(null)" "../foo/bar" "../sub/a/b/c/" "../foo/sub/a/b/c"
 test_submodule_relative_url "(null)" "../foo/bar/" "../sub/a/b/c" "../foo/sub/a/b/c"
 test_submodule_relative_url "(null)" "../foo/bar" "../submodule" "../foo/submodule"
 test_submodule_relative_url "(null)" "../foo/submodule" "../submodule" "../foo/submodule"
 test_submodule_relative_url "(null)" "../foo" "../submodule" "../submodule"
 test_submodule_relative_url "(null)" "./foo/bar" "../submodule" "foo/submodule"
 test_submodule_relative_url "(null)" "./foo" "../submodule" "submodule"
 test_submodule_relative_url "(null)" "//somewhere else/repo" "../subrepo" "//somewhere else/subrepo"
 test_submodule_relative_url "(null)" "//somewhere else/repo" "../../subrepo" "//subrepo"
 test_submodule_relative_url "(null)" "//somewhere else/repo" "../../../subrepo" "/subrepo"
 test_submodule_relative_url "(null)" "//somewhere else/repo" "../../../../subrepo" "subrepo"
 test_submodule_relative_url "(null)" "$(pwd)/subsuper_update_r" "../subsubsuper_update_r" "$(pwd)/subsubsuper_update_r"
 test_submodule_relative_url "(null)" "$(pwd)/super_update_r2" "../subsuper_update_r" "$(pwd)/subsuper_update_r"
 test_submodule_relative_url "(null)" "$(pwd)/." "../." "$(pwd)/."
 test_submodule_relative_url "(null)" "$(pwd)" "./." "$(pwd)/."
 test_submodule_relative_url "(null)" "$(pwd)/addtest" "../repo" "$(pwd)/repo"
 test_submodule_relative_url "(null)" "$(pwd)" "./å äö" "$(pwd)/å äö"
 test_submodule_relative_url "(null)" "$(pwd)/." "../submodule" "$(pwd)/submodule"
 test_submodule_relative_url "(null)" "$(pwd)/submodule" "../submodule" "$(pwd)/submodule"
 test_submodule_relative_url "(null)" "$(pwd)/home2/../remote" "../bundle1" "$(pwd)/home2/../bundle1"
 test_submodule_relative_url "(null)" "$(pwd)/submodule_update_repo" "./." "$(pwd)/submodule_update_repo/."
 test_submodule_relative_url "(null)" "file:///tmp/repo" "../subrepo" "file:///tmp/subrepo"
 test_submodule_relative_url "(null)" "foo/bar" "../submodule" "foo/submodule"
 test_submodule_relative_url "(null)" "foo" "../submodule" "submodule"
 test_submodule_relative_url "(null)" "helper:://hostname/repo" "../subrepo" "helper:://hostname/subrepo"
 test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../subrepo" "helper:://subrepo"
 test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../subrepo" "helper::/subrepo"
 test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../../subrepo" "helper::subrepo"
 test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../../../subrepo" "helper:subrepo"
 test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../../../../subrepo" ".:subrepo"
 test_submodule_relative_url "(null)" "ssh://hostname/repo" "../subrepo" "ssh://hostname/subrepo"
 test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../subrepo" "ssh://subrepo"
 test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../../subrepo" "ssh:/subrepo"
 test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../../../subrepo" "ssh:subrepo"
 test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../../../../subrepo" ".:subrepo"
 test_submodule_relative_url "(null)" "ssh://hostname:22/repo" "../subrepo" "ssh://hostname:22/subrepo"
 test_submodule_relative_url "(null)" "user@host:path/to/repo" "../subrepo" "user@host:path/to/subrepo"
 test_submodule_relative_url "(null)" "user@host:repo" "../subrepo" "user@host:subrepo"
 test_submodule_relative_url "(null)" "user@host:repo" "../../subrepo" ".:subrepo"

 test_expect_success 'match .gitmodules' '
 	test-tool path-utils is_dotgitmodules \
 		.gitmodules \
 		\
 		.git${u200c}modules \
 		\
 		.Gitmodules \
 		.gitmoduleS \
 		\
 		".gitmodules " \
 		".gitmodules." \
 		".gitmodules  " \
 		".gitmodules. " \
 		".gitmodules ." \
 		".gitmodules.." \
 		".gitmodules   " \
 		".gitmodules.  " \
 		".gitmodules . " \
 		".gitmodules  ." \
 		\
 		".Gitmodules " \
 		".Gitmodules." \
 		".Gitmodules  " \
 		".Gitmodules. " \
 		".Gitmodules ." \
 		".Gitmodules.." \
 		".Gitmodules   " \
 		".Gitmodules.  " \
 		".Gitmodules . " \
 		".Gitmodules  ." \
 		\
 		GITMOD~1 \
 		gitmod~1 \
 		GITMOD~2 \
 		gitmod~3 \
 		GITMOD~4 \
 		\
 		"GITMOD~1 " \
 		"gitmod~2." \
 		"GITMOD~3  " \
 		"gitmod~4. " \
 		"GITMOD~1 ." \
 		"gitmod~2   " \
 		"GITMOD~3.  " \
 		"gitmod~4 . " \
 		\
 		GI7EBA~1 \
 		gi7eba~9 \
 		\
 		GI7EB~10 \
 		GI7EB~11 \
 		GI7EB~99 \
 		GI7EB~10 \
 		GI7E~100 \
 		GI7E~101 \
 		GI7E~999 \
 		~1000000 \
 		~9999999 \
 		\
 		.gitmodules:\$DATA \
 		"gitmod~4 . :\$DATA" \
 		\
 		--not \
 		".gitmodules x"  \
 		".gitmodules .x" \
 		\
 		" .gitmodules" \
 		\
 		..gitmodules \
 		\
 		gitmodules \
 		\
 		.gitmodule \
 		\
 		".gitmodules x " \
 		".gitmodules .x" \
 		\
 		GI7EBA~ \
 		GI7EBA~0 \
 		GI7EBA~~1 \
 		GI7EBA~X \
 		Gx7EBA~1 \
 		GI7EBX~1 \
 		\
 		GI7EB~1 \
 		GI7EB~01 \
 		GI7EB~1X \
 		\
 		.gitmodules,:\$DATA
 '

 test_expect_success MINGW 'is_valid_path() on Windows' '
 	test-tool path-utils is_valid_path \
 		win32 \
 		"win32 x" \
 		../hello.txt \
 		C:\\git \
 		comm \
 		conout.c \
 		lptN \
 		\
 		--not \
 		"win32 "  \
 		"win32 /x "  \
 		"win32."  \
 		"win32 . ." \
 		.../hello.txt \
 		colon:test \
 		"AUX.c" \
 		"abc/conOut\$  .xyz/test" \
 		lpt8 \
 		"lpt*" \
 		Nul \
 		"PRN./abc"
 '

 test_done
	#!/bin/sh
	#
	# Copyright (c) 2008 David Reiss
	#

	test_description='Test various path utilities'

	. ./test-lib.sh

	norm_path() {
	expected=$(test-tool path-utils print_path "$2")
	test_expect_success $3 "normalize path: $1 => $2" \
	"test \"\$(test-tool path-utils normalize_path_copy '$1')\" = '$expected'"
	}

	relative_path() {
	expected=$(test-tool path-utils print_path "$3")
	test_expect_success $4 "relative path: $1 $2 => $3" \
	"test \"\$(test-tool path-utils relative_path '$1' '$2')\" = '$expected'"
	}

	test_submodule_relative_url() {
	test_expect_success "test_submodule_relative_url: $1 $2 $3 => $4" "
	actual=\$(git submodule--helper resolve-relative-url-test '$1' '$2' '$3') &&
	test \"\$actual\" = '$4'
	"
	}

	test_git_path() {
	test_expect_success "git-path $1 $2 => $3" "
	$1 git rev-parse --git-path $2 >actual &&
	echo $3 >expect &&
	test_cmp expect actual
	"
	}

	# On Windows, we are using MSYS's bash, which mangles the paths.
	# Absolute paths are anchored at the MSYS installation directory,
	# which means that the path / accounts for this many characters:
	rootoff=$(test-tool path-utils normalize_path_copy / \| wc -c)
	# Account for the trailing LF:
	if test $rootoff = 2; then
	rootoff= # we are on Unix
	else
	rootoff=$(($rootoff-1))
	# In MSYS2, the root directory "/" is translated into a Windows
	# directory with trailing slash. Let's test for that and adjust
	# our expected longest ancestor length accordingly.
	case "$(test-tool path-utils print_path /)" in
	*/) rootslash=1;;
	*) rootslash=0;;
	esac
	fi

	ancestor() {
	# We do some math with the expected ancestor length.
	expected=$3
	if test -n "$rootoff" && test "x$expected" != x-1; then
	expected=$(($expected-$rootslash))
	test $expected -lt 0 \|\|
	expected=$(($expected+$rootoff))
	fi
	test_expect_success "longest ancestor: $1 $2 => $expected" \
	"actual=\$(test-tool path-utils longest_ancestor_length '$1' '$2') &&
	test \"\$actual\" = '$expected'"
	}

	# Some absolute path tests should be skipped on Windows due to path mangling
	# on POSIX-style absolute paths
	case $(uname -s) in
	MINGW)
	;;
	CYGWIN)
	;;
	*)
	test_set_prereq POSIX
	;;
	esac

	test_expect_success basename 'test-tool path-utils basename'
	test_expect_success dirname 'test-tool path-utils dirname'

	norm_path "" ""
	norm_path . ""
	norm_path ./ ""
	norm_path ./. ""
	norm_path ./.. ++failed++
	norm_path ../. ++failed++
	norm_path ./../.// ++failed++
	norm_path dir/.. ""
	norm_path dir/sub/../.. ""
	norm_path dir/sub/../../.. ++failed++
	norm_path dir dir
	norm_path dir// dir/
	norm_path ./dir dir
	norm_path dir/. dir/
	norm_path dir///./ dir/
	norm_path dir//sub/.. dir/
	norm_path dir/sub/../ dir/
	norm_path dir/sub/../. dir/
	norm_path dir/s1/../s2/ dir/s2/
	norm_path d1/s1///s2/..//../s3/ d1/s3/
	norm_path d1/s1//../s2/../../d2 d2
	norm_path d1/.../d2 d1/.../d2
	norm_path d1/..././../d2 d1/d2

	norm_path / /
	norm_path // / POSIX
	norm_path /// / POSIX
	norm_path /. /
	norm_path /./ / POSIX
	norm_path /./.. ++failed++ POSIX
	norm_path /../. ++failed++
	norm_path /./../.// ++failed++ POSIX
	norm_path /dir/.. / POSIX
	norm_path /dir/sub/../.. / POSIX
	norm_path /dir/sub/../../.. ++failed++ POSIX
	norm_path /dir /dir
	norm_path /dir// /dir/
	norm_path /./dir /dir
	norm_path /dir/. /dir/
	norm_path /dir///./ /dir/
	norm_path /dir//sub/.. /dir/
	norm_path /dir/sub/../ /dir/
	norm_path //dir/sub/../. /dir/ POSIX
	norm_path /dir/s1/../s2/ /dir/s2/
	norm_path /d1/s1///s2/..//../s3/ /d1/s3/
	norm_path /d1/s1//../s2/../../d2 /d2
	norm_path /d1/.../d2 /d1/.../d2
	norm_path /d1/..././../d2 /d1/d2

	ancestor / / -1
	ancestor /foo / 0
	ancestor /foo /fo -1
	ancestor /foo /foo -1
	ancestor /foo /bar -1
	ancestor /foo /foo/bar -1
	ancestor /foo /foo:/bar -1
	ancestor /foo /:/foo:/bar 0
	ancestor /foo /foo:/:/bar 0
	ancestor /foo /:/bar:/foo 0
	ancestor /foo/bar / 0
	ancestor /foo/bar /fo -1
	ancestor /foo/bar /foo 4
	ancestor /foo/bar /foo/ba -1
	ancestor /foo/bar /:/fo 0
	ancestor /foo/bar /foo:/foo/ba 4
	ancestor /foo/bar /bar -1
	ancestor /foo/bar /fo -1
	ancestor /foo/bar /foo:/bar 4
	ancestor /foo/bar /:/foo:/bar 4
	ancestor /foo/bar /foo:/:/bar 4
	ancestor /foo/bar /:/bar:/fo 0
	ancestor /foo/bar /:/bar 0
	ancestor /foo/bar /foo 4
	ancestor /foo/bar /foo:/bar 4
	ancestor /foo/bar /bar -1

	test_expect_success 'strip_path_suffix' '
	test c:/msysgit = $(test-tool path-utils strip_path_suffix \
	c:/msysgit/libexec//git-core libexec/git-core)
	'

	test_expect_success 'absolute path rejects the empty string' '
	test_must_fail test-tool path-utils absolute_path ""
	'

	test_expect_success MINGW '<drive-letter>:\\abc is an absolute path' '
	for letter in : \" C Z 1 ä
	do
	path=$letter:\\abc &&
	absolute="$(test-tool path-utils absolute_path "$path")" &&
	test "$path" = "$absolute" \|\| return 1
	done
	'

	test_expect_success 'real path rejects the empty string' '
	test_must_fail test-tool path-utils real_path ""
	'

	test_expect_success POSIX 'real path works on absolute paths 1' '
	nopath="hopefully-absent-path" &&
	test "/" = "$(test-tool path-utils real_path "/")" &&
	test "/$nopath" = "$(test-tool path-utils real_path "/$nopath")"
	'

	test_expect_success 'real path works on absolute paths 2' '
	nopath="hopefully-absent-path" &&
	# Find an existing top-level directory for the remaining tests:
	d=$(pwd -P \| sed -e "s\|^\([^/]/[^/]\)/.*\|\1\|") &&
	test "$d" = "$(test-tool path-utils real_path "$d")" &&
	test "$d/$nopath" = "$(test-tool path-utils real_path "$d/$nopath")"
	'

	test_expect_success POSIX 'real path removes extra leading slashes' '
	nopath="hopefully-absent-path" &&
	test "/" = "$(test-tool path-utils real_path "///")" &&
	test "/$nopath" = "$(test-tool path-utils real_path "///$nopath")" &&
	# Find an existing top-level directory for the remaining tests:
	d=$(pwd -P \| sed -e "s\|^\([^/]/[^/]\)/.*\|\1\|") &&
	test "$d" = "$(test-tool path-utils real_path "//$d")" &&
	test "$d/$nopath" = "$(test-tool path-utils real_path "//$d/$nopath")"
	'

	test_expect_success 'real path removes other extra slashes' '
	nopath="hopefully-absent-path" &&
	# Find an existing top-level directory for the remaining tests:
	d=$(pwd -P \| sed -e "s\|^\([^/]/[^/]\)/.*\|\1\|") &&
	test "$d" = "$(test-tool path-utils real_path "$d///")" &&
	test "$d/$nopath" = "$(test-tool path-utils real_path "$d///$nopath")"
	'

	test_expect_success SYMLINKS 'real path works on symlinks' '
	mkdir first &&
	ln -s ../.git first/.git &&
	mkdir second &&
	ln -s ../first second/other &&
	mkdir third &&
	dir="$(cd .git; pwd -P)" &&
	dir2=third/../second/other/.git &&
	test "$dir" = "$(test-tool path-utils real_path $dir2)" &&
	file="$dir"/index &&
	test "$file" = "$(test-tool path-utils real_path $dir2/index)" &&
	basename=blub &&
	test "$dir/$basename" = "$(cd .git && test-tool path-utils real_path "$basename")" &&
	ln -s ../first/file .git/syml &&
	sym="$(cd first; pwd -P)"/file &&
	test "$sym" = "$(test-tool path-utils real_path "$dir2/syml")"
	'

	test_expect_success SYMLINKS 'prefix_path works with absolute paths to work tree symlinks' '
	ln -s target symlink &&
	test "$(test-tool path-utils prefix_path prefix "$(pwd)/symlink")" = "symlink"
	'

	test_expect_success 'prefix_path works with only absolute path to work tree' '
	echo "" >expected &&
	test-tool path-utils prefix_path prefix "$(pwd)" >actual &&
	test_cmp expected actual
	'

	test_expect_success 'prefix_path rejects absolute path to dir with same beginning as work tree' '
	test_must_fail test-tool path-utils prefix_path prefix "$(pwd)a"
	'

	test_expect_success SYMLINKS 'prefix_path works with absolute path to a symlink to work tree having same beginning as work tree' '
	git init repo &&
	ln -s repo repolink &&
	test "a" = "$(cd repo && test-tool path-utils prefix_path prefix "$(pwd)/../repolink/a")"
	'

	relative_path /foo/a/b/c/ /foo/a/b/ c/
	relative_path /foo/a/b/c/ /foo/a/b c/
	relative_path /foo/a//b//c/ ///foo/a/b// c/ POSIX
	relative_path /foo/a/b /foo/a/b ./
	relative_path /foo/a/b/ /foo/a/b ./
	relative_path /foo/a /foo/a/b ../
	relative_path / /foo/a/b/ ../../../
	relative_path /foo/a/c /foo/a/b/ ../c
	relative_path /foo/a/c /foo/a/b ../c
	relative_path /foo/x/y /foo/a/b/ ../../x/y
	relative_path /foo/a/b "<empty>" /foo/a/b
	relative_path /foo/a/b "<null>" /foo/a/b
	relative_path foo/a/b/c/ foo/a/b/ c/
	relative_path foo/a/b/c/ foo/a/b c/
	relative_path foo/a/b//c foo/a//b c
	relative_path foo/a/b/ foo/a/b/ ./
	relative_path foo/a/b/ foo/a/b ./
	relative_path foo/a foo/a/b ../
	relative_path foo/x/y foo/a/b ../../x/y
	relative_path foo/a/c foo/a/b ../c
	relative_path foo/a/b /foo/x/y foo/a/b
	relative_path /foo/a/b foo/x/y /foo/a/b
	relative_path d:/a/b D:/a/c ../b MINGW
	relative_path C:/a/b D:/a/c C:/a/b MINGW
	relative_path foo/a/b "<empty>" foo/a/b
	relative_path foo/a/b "<null>" foo/a/b
	relative_path "<empty>" /foo/a/b ./
	relative_path "<empty>" "<empty>" ./
	relative_path "<empty>" "<null>" ./
	relative_path "<null>" "<empty>" ./
	relative_path "<null>" "<null>" ./
	relative_path "<null>" /foo/a/b ./

	test_git_path A=B info/grafts .git/info/grafts
	test_git_path GIT_GRAFT_FILE=foo info/grafts foo
	test_git_path GIT_GRAFT_FILE=foo info/////grafts foo
	test_git_path GIT_INDEX_FILE=foo index foo
	test_git_path GIT_INDEX_FILE=foo index/foo .git/index/foo
	test_git_path GIT_INDEX_FILE=foo index2 .git/index2
	test_expect_success 'setup fake objects directory foo' 'mkdir foo'
	test_git_path GIT_OBJECT_DIRECTORY=foo objects foo
	test_git_path GIT_OBJECT_DIRECTORY=foo objects/foo foo/foo
	test_git_path GIT_OBJECT_DIRECTORY=foo objects2 .git/objects2
	test_expect_success 'setup common repository' 'git --git-dir=bar init'
	test_git_path GIT_COMMON_DIR=bar index .git/index
	test_git_path GIT_COMMON_DIR=bar index.lock .git/index.lock
	test_git_path GIT_COMMON_DIR=bar HEAD .git/HEAD
	test_git_path GIT_COMMON_DIR=bar logs/HEAD .git/logs/HEAD
	test_git_path GIT_COMMON_DIR=bar logs/HEAD.lock .git/logs/HEAD.lock
	test_git_path GIT_COMMON_DIR=bar logs/refs/bisect/foo .git/logs/refs/bisect/foo
	test_git_path GIT_COMMON_DIR=bar logs/refs bar/logs/refs
	test_git_path GIT_COMMON_DIR=bar logs/refs/ bar/logs/refs/
	test_git_path GIT_COMMON_DIR=bar logs/refs/bisec/foo bar/logs/refs/bisec/foo
	test_git_path GIT_COMMON_DIR=bar logs/refs/bisec bar/logs/refs/bisec
	test_git_path GIT_COMMON_DIR=bar logs/refs/bisectfoo bar/logs/refs/bisectfoo
	test_git_path GIT_COMMON_DIR=bar objects bar/objects
	test_git_path GIT_COMMON_DIR=bar objects/bar bar/objects/bar
	test_git_path GIT_COMMON_DIR=bar info/exclude bar/info/exclude
	test_git_path GIT_COMMON_DIR=bar info/grafts bar/info/grafts
	test_git_path GIT_COMMON_DIR=bar info/sparse-checkout .git/info/sparse-checkout
	test_git_path GIT_COMMON_DIR=bar info//sparse-checkout .git/info//sparse-checkout
	test_git_path GIT_COMMON_DIR=bar remotes/bar bar/remotes/bar
	test_git_path GIT_COMMON_DIR=bar branches/bar bar/branches/bar
	test_git_path GIT_COMMON_DIR=bar logs/refs/heads/master bar/logs/refs/heads/master
	test_git_path GIT_COMMON_DIR=bar refs/heads/master bar/refs/heads/master
	test_git_path GIT_COMMON_DIR=bar refs/bisect/foo .git/refs/bisect/foo
	test_git_path GIT_COMMON_DIR=bar hooks/me bar/hooks/me
	test_git_path GIT_COMMON_DIR=bar config bar/config
	test_git_path GIT_COMMON_DIR=bar packed-refs bar/packed-refs
	test_git_path GIT_COMMON_DIR=bar shallow bar/shallow
	test_git_path GIT_COMMON_DIR=bar common bar/common
	test_git_path GIT_COMMON_DIR=bar common/file bar/common/file

	# In the tests below, $(pwd) must be used because it is a native path on
	# Windows and avoids MSYS's path mangling (which simplifies "foo/../bar" and
	# strips the dot from trailing "/.").

	test_submodule_relative_url "../" "../foo" "../submodule" "../../submodule"
	test_submodule_relative_url "../" "../foo/bar" "../submodule" "../../foo/submodule"
	test_submodule_relative_url "../" "../foo/submodule" "../submodule" "../../foo/submodule"
	test_submodule_relative_url "../" "./foo" "../submodule" "../submodule"
	test_submodule_relative_url "../" "./foo/bar" "../submodule" "../foo/submodule"
	test_submodule_relative_url "../../../" "../foo/bar" "../sub/a/b/c" "../../../../foo/sub/a/b/c"
	test_submodule_relative_url "../" "$(pwd)/addtest" "../repo" "$(pwd)/repo"
	test_submodule_relative_url "../" "foo/bar" "../submodule" "../foo/submodule"
	test_submodule_relative_url "../" "foo" "../submodule" "../submodule"

	test_submodule_relative_url "(null)" "../foo/bar" "../sub/a/b/c" "../foo/sub/a/b/c"
	test_submodule_relative_url "(null)" "../foo/bar" "../sub/a/b/c/" "../foo/sub/a/b/c"
	test_submodule_relative_url "(null)" "../foo/bar/" "../sub/a/b/c" "../foo/sub/a/b/c"
	test_submodule_relative_url "(null)" "../foo/bar" "../submodule" "../foo/submodule"
	test_submodule_relative_url "(null)" "../foo/submodule" "../submodule" "../foo/submodule"
	test_submodule_relative_url "(null)" "../foo" "../submodule" "../submodule"
	test_submodule_relative_url "(null)" "./foo/bar" "../submodule" "foo/submodule"
	test_submodule_relative_url "(null)" "./foo" "../submodule" "submodule"
	test_submodule_relative_url "(null)" "//somewhere else/repo" "../subrepo" "//somewhere else/subrepo"
	test_submodule_relative_url "(null)" "//somewhere else/repo" "../../subrepo" "//subrepo"
	test_submodule_relative_url "(null)" "//somewhere else/repo" "../../../subrepo" "/subrepo"
	test_submodule_relative_url "(null)" "//somewhere else/repo" "../../../../subrepo" "subrepo"
	test_submodule_relative_url "(null)" "$(pwd)/subsuper_update_r" "../subsubsuper_update_r" "$(pwd)/subsubsuper_update_r"
	test_submodule_relative_url "(null)" "$(pwd)/super_update_r2" "../subsuper_update_r" "$(pwd)/subsuper_update_r"
	test_submodule_relative_url "(null)" "$(pwd)/." "../." "$(pwd)/."
	test_submodule_relative_url "(null)" "$(pwd)" "./." "$(pwd)/."
	test_submodule_relative_url "(null)" "$(pwd)/addtest" "../repo" "$(pwd)/repo"
	test_submodule_relative_url "(null)" "$(pwd)" "./å äö" "$(pwd)/å äö"
	test_submodule_relative_url "(null)" "$(pwd)/." "../submodule" "$(pwd)/submodule"
	test_submodule_relative_url "(null)" "$(pwd)/submodule" "../submodule" "$(pwd)/submodule"
	test_submodule_relative_url "(null)" "$(pwd)/home2/../remote" "../bundle1" "$(pwd)/home2/../bundle1"
	test_submodule_relative_url "(null)" "$(pwd)/submodule_update_repo" "./." "$(pwd)/submodule_update_repo/."
	test_submodule_relative_url "(null)" "file:///tmp/repo" "../subrepo" "file:///tmp/subrepo"
	test_submodule_relative_url "(null)" "foo/bar" "../submodule" "foo/submodule"
	test_submodule_relative_url "(null)" "foo" "../submodule" "submodule"
	test_submodule_relative_url "(null)" "helper:://hostname/repo" "../subrepo" "helper:://hostname/subrepo"
	test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../subrepo" "helper:://subrepo"
	test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../subrepo" "helper::/subrepo"
	test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../../subrepo" "helper::subrepo"
	test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../../../subrepo" "helper:subrepo"
	test_submodule_relative_url "(null)" "helper:://hostname/repo" "../../../../../../subrepo" ".:subrepo"
	test_submodule_relative_url "(null)" "ssh://hostname/repo" "../subrepo" "ssh://hostname/subrepo"
	test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../subrepo" "ssh://subrepo"
	test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../../subrepo" "ssh:/subrepo"
	test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../../../subrepo" "ssh:subrepo"
	test_submodule_relative_url "(null)" "ssh://hostname/repo" "../../../../../subrepo" ".:subrepo"
	test_submodule_relative_url "(null)" "ssh://hostname:22/repo" "../subrepo" "ssh://hostname:22/subrepo"
	test_submodule_relative_url "(null)" "user@host:path/to/repo" "../subrepo" "user@host:path/to/subrepo"
	test_submodule_relative_url "(null)" "user@host:repo" "../subrepo" "user@host:subrepo"
	test_submodule_relative_url "(null)" "user@host:repo" "../../subrepo" ".:subrepo"

	test_expect_success 'match .gitmodules' '
	test-tool path-utils is_dotgitmodules \
	.gitmodules \
	\
	.git${u200c}modules \
	\
	.Gitmodules \
	.gitmoduleS \
	\
	".gitmodules " \
	".gitmodules." \
	".gitmodules " \
	".gitmodules. " \
	".gitmodules ." \
	".gitmodules.." \
	".gitmodules " \
	".gitmodules. " \
	".gitmodules . " \
	".gitmodules ." \
	\
	".Gitmodules " \
	".Gitmodules." \
	".Gitmodules " \
	".Gitmodules. " \
	".Gitmodules ." \
	".Gitmodules.." \
	".Gitmodules " \
	".Gitmodules. " \
	".Gitmodules . " \
	".Gitmodules ." \
	\
	GITMOD~1 \
	gitmod~1 \
	GITMOD~2 \
	gitmod~3 \
	GITMOD~4 \
	\
	"GITMOD~1 " \
	"gitmod~2." \
	"GITMOD~3 " \
	"gitmod~4. " \
	"GITMOD~1 ." \
	"gitmod~2 " \
	"GITMOD~3. " \
	"gitmod~4 . " \
	\
	GI7EBA~1 \
	gi7eba~9 \
	\
	GI7EB~10 \
	GI7EB~11 \
	GI7EB~99 \
	GI7EB~10 \
	GI7E~100 \
	GI7E~101 \
	GI7E~999 \
	~1000000 \
	~9999999 \
	\
	.gitmodules:\$DATA \
	"gitmod~4 . :\$DATA" \
	\
	--not \
	".gitmodules x" \
	".gitmodules .x" \
	\
	" .gitmodules" \
	\
	..gitmodules \
	\
	gitmodules \
	\
	.gitmodule \
	\
	".gitmodules x " \
	".gitmodules .x" \
	\
	GI7EBA~ \
	GI7EBA~0 \
	GI7EBA~~1 \
	GI7EBA~X \
	Gx7EBA~1 \
	GI7EBX~1 \
	\
	GI7EB~1 \
	GI7EB~01 \
	GI7EB~1X \
	\
	.gitmodules,:\$DATA
	'

	test_expect_success MINGW 'is_valid_path() on Windows' '
	test-tool path-utils is_valid_path \
	win32 \
	"win32 x" \
	../hello.txt \
	C:\\git \
	comm \
	conout.c \
	lptN \
	\
	--not \
	"win32 " \
	"win32 /x " \
	"win32." \
	"win32 . ." \
	.../hello.txt \
	colon:test \
	"AUX.c" \
	"abc/conOut\$ .xyz/test" \
	lpt8 \
	"lpt*" \
	Nul \
	"PRN./abc"
	'

	test_done