lib/index.tcl - git - Git at Google

 # git-gui index (add/remove) support
 # Copyright (C) 2006, 2007 Shawn Pearce

 proc _delete_indexlock {} {
 	if {[catch {file delete -- [gitdir index.lock]} err]} {
 		error_popup [strcat [mc "Unable to unlock the index."] "\n\n$err"]
 	}
 }

 proc _close_updateindex {fd after} {
 	global use_ttk NS
 	fconfigure $fd -blocking 1
 	if {[catch {close $fd} err]} {
 		set w .indexfried
 		Dialog $w
 		wm withdraw $w
 		wm title $w [strcat "[appname] ([reponame]): " [mc "Index Error"]]
 		wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
 		set s [mc "Updating the Git index failed.  A rescan will be automatically started to resynchronize git-gui."]
 		text $w.msg -yscrollcommand [list $w.vs set] \
 			-width [string length $s] -relief flat \
 			-borderwidth 0 -highlightthickness 0 \
 			-background [get_bg_color $w]
 		$w.msg tag configure bold -font font_uibold -justify center
 		${NS}::scrollbar $w.vs -command [list $w.msg yview]
 		$w.msg insert end $s bold \n\n$err {}
 		$w.msg configure -state disabled

 		${NS}::button $w.continue \
 			-text [mc "Continue"] \
 			-command [list destroy $w]
 		${NS}::button $w.unlock \
 			-text [mc "Unlock Index"] \
 			-command "destroy $w; _delete_indexlock"
 		grid $w.msg - $w.vs -sticky news
 		grid $w.unlock $w.continue - -sticky se -padx 2 -pady 2
 		grid columnconfigure $w 0 -weight 1
 		grid rowconfigure $w 0 -weight 1

 		wm protocol $w WM_DELETE_WINDOW update
 		bind $w.continue <Visibility> "
 			grab $w
 			focus %W
 		"
 		wm deiconify $w
 		tkwait window $w

 		$::main_status stop
 		unlock_index
 		rescan $after 0
 		return
 	}

 	$::main_status stop
 	unlock_index
 	uplevel #0 $after
 }

 proc update_indexinfo {msg pathList after} {
 	global update_index_cp

 	if {![lock_index update]} return

 	set update_index_cp 0
 	set pathList [lsort $pathList]
 	set totalCnt [llength $pathList]
 	set batch [expr {int($totalCnt * .01) + 1}]
 	if {$batch > 25} {set batch 25}

 	$::main_status start $msg [mc "files"]
 	set fd [git_write update-index -z --index-info]
 	fconfigure $fd \
 		-blocking 0 \
 		-buffering full \
 		-buffersize 512 \
 		-encoding binary \
 		-translation binary
 	fileevent $fd writable [list \
 		write_update_indexinfo \
 		$fd \
 		$pathList \
 		$totalCnt \
 		$batch \
 		$after \
 		]
 }

 proc write_update_indexinfo {fd pathList totalCnt batch after} {
 	global update_index_cp
 	global file_states current_diff_path

 	if {$update_index_cp >= $totalCnt} {
 		_close_updateindex $fd $after
 		return
 	}

 	for {set i $batch} \
 		{$update_index_cp < $totalCnt && $i > 0} \
 		{incr i -1} {
 		set path [lindex $pathList $update_index_cp]
 		incr update_index_cp

 		set s $file_states($path)
 		switch -glob -- [lindex $s 0] {
 		A? {set new _O}
 		MT -
 		TM -
 		T_ {set new _T}
 		M? {set new _M}
 		TD -
 		D_ {set new _D}
 		D? {set new _?}
 		?? {continue}
 		}
 		set info [lindex $s 2]
 		if {$info eq {}} continue

 		puts -nonewline $fd "$info\t[encoding convertto $path]\0"
 		display_file $path $new
 	}

 	$::main_status update $update_index_cp $totalCnt
 }

 proc update_index {msg pathList after} {
 	global update_index_cp

 	if {![lock_index update]} return

 	set update_index_cp 0
 	set pathList [lsort $pathList]
 	set totalCnt [llength $pathList]
 	set batch [expr {int($totalCnt * .01) + 1}]
 	if {$batch > 25} {set batch 25}

 	$::main_status start $msg [mc "files"]
 	set fd [git_write update-index --add --remove -z --stdin]
 	fconfigure $fd \
 		-blocking 0 \
 		-buffering full \
 		-buffersize 512 \
 		-encoding binary \
 		-translation binary
 	fileevent $fd writable [list \
 		write_update_index \
 		$fd \
 		$pathList \
 		$totalCnt \
 		$batch \
 		$after \
 		]
 }

 proc write_update_index {fd pathList totalCnt batch after} {
 	global update_index_cp
 	global file_states current_diff_path

 	if {$update_index_cp >= $totalCnt} {
 		_close_updateindex $fd $after
 		return
 	}

 	for {set i $batch} \
 		{$update_index_cp < $totalCnt && $i > 0} \
 		{incr i -1} {
 		set path [lindex $pathList $update_index_cp]
 		incr update_index_cp

 		switch -glob -- [lindex $file_states($path) 0] {
 		AD {set new __}
 		?D {set new D_}
 		_O -
 		AT -
 		AM {set new A_}
 		TM -
 		MT -
 		_T {set new T_}
 		_U -
 		U? {
 			if {[file exists $path]} {
 				set new M_
 			} else {
 				set new D_
 			}
 		}
 		?M {set new M_}
 		?? {continue}
 		}
 		puts -nonewline $fd "[encoding convertto $path]\0"
 		display_file $path $new
 	}

 	$::main_status update $update_index_cp $totalCnt
 }

 proc checkout_index {msg pathList after} {
 	global update_index_cp

 	if {![lock_index update]} return

 	set update_index_cp 0
 	set pathList [lsort $pathList]
 	set totalCnt [llength $pathList]
 	set batch [expr {int($totalCnt * .01) + 1}]
 	if {$batch > 25} {set batch 25}

 	$::main_status start $msg [mc "files"]
 	set fd [git_write checkout-index \
 		--index \
 		--quiet \
 		--force \
 		-z \
 		--stdin \
 		]
 	fconfigure $fd \
 		-blocking 0 \
 		-buffering full \
 		-buffersize 512 \
 		-encoding binary \
 		-translation binary
 	fileevent $fd writable [list \
 		write_checkout_index \
 		$fd \
 		$pathList \
 		$totalCnt \
 		$batch \
 		$after \
 		]
 }

 proc write_checkout_index {fd pathList totalCnt batch after} {
 	global update_index_cp
 	global file_states current_diff_path

 	if {$update_index_cp >= $totalCnt} {
 		_close_updateindex $fd $after
 		return
 	}

 	for {set i $batch} \
 		{$update_index_cp < $totalCnt && $i > 0} \
 		{incr i -1} {
 		set path [lindex $pathList $update_index_cp]
 		incr update_index_cp
 		switch -glob -- [lindex $file_states($path) 0] {
 		U? {continue}
 		?M -
 		?T -
 		?D {
 			puts -nonewline $fd "[encoding convertto $path]\0"
 			display_file $path ?_
 		}
 		}
 	}

 	$::main_status update $update_index_cp $totalCnt
 }

 proc unstage_helper {txt paths} {
 	global file_states current_diff_path

 	if {![lock_index begin-update]} return

 	set pathList [list]
 	set after {}
 	foreach path $paths {
 		switch -glob -- [lindex $file_states($path) 0] {
 		A? -
 		M? -
 		T? -
 		D? {
 			lappend pathList $path
 			if {$path eq $current_diff_path} {
 				set after {reshow_diff;}
 			}
 		}
 		}
 	}
 	if {$pathList eq {}} {
 		unlock_index
 	} else {
 		update_indexinfo \
 			$txt \
 			$pathList \
 			[concat $after [list ui_ready]]
 	}
 }

 proc do_unstage_selection {} {
 	global current_diff_path selected_paths

 	if {[array size selected_paths] > 0} {
 		unstage_helper \
 			{Unstaging selected files from commit} \
 			[array names selected_paths]
 	} elseif {$current_diff_path ne {}} {
 		unstage_helper \
 			[mc "Unstaging %s from commit" [short_path $current_diff_path]] \
 			[list $current_diff_path]
 	}
 }

 proc add_helper {txt paths} {
 	global file_states current_diff_path

 	if {![lock_index begin-update]} return

 	set pathList [list]
 	set after {}
 	foreach path $paths {
 		switch -glob -- [lindex $file_states($path) 0] {
 		_U -
 		U? {
 			if {$path eq $current_diff_path} {
 				unlock_index
 				merge_stage_workdir $path
 				return
 			}
 		}
 		_O -
 		?M -
 		?D -
 		?T {
 			lappend pathList $path
 			if {$path eq $current_diff_path} {
 				set after {reshow_diff;}
 			}
 		}
 		}
 	}
 	if {$pathList eq {}} {
 		unlock_index
 	} else {
 		update_index \
 			$txt \
 			$pathList \
 			[concat $after {ui_status [mc "Ready to commit."]}]
 	}
 }

 proc do_add_selection {} {
 	global current_diff_path selected_paths

 	if {[array size selected_paths] > 0} {
 		add_helper \
 			{Adding selected files} \
 			[array names selected_paths]
 	} elseif {$current_diff_path ne {}} {
 		add_helper \
 			[mc "Adding %s" [short_path $current_diff_path]] \
 			[list $current_diff_path]
 	}
 }

 proc do_add_all {} {
 	global file_states

 	set paths [list]
 	set untracked_paths [list]
 	foreach path [array names file_states] {
 		switch -glob -- [lindex $file_states($path) 0] {
 		U? {continue}
 		?M -
 		?T -
 		?D {lappend paths $path}
 		?O {lappend untracked_paths $path}
 		}
 	}
 	if {[llength $untracked_paths]} {
 		set reply 0
 		switch -- [get_config gui.stageuntracked] {
 		no {
 			set reply 0
 		}
 		yes {
 			set reply 1
 		}
 		ask -
 		default {
 			set reply [ask_popup [mc "Stage %d untracked files?" \
 									  [llength $untracked_paths]]]
 		}
 		}
 		if {$reply} {
 			set paths [concat $paths $untracked_paths]
 		}
 	}
 	add_helper {Adding all changed files} $paths
 }

 proc revert_helper {txt paths} {
 	global file_states current_diff_path

 	if {![lock_index begin-update]} return

 	set pathList [list]
 	set after {}
 	foreach path $paths {
 		switch -glob -- [lindex $file_states($path) 0] {
 		U? {continue}
 		?M -
 		?T -
 		?D {
 			lappend pathList $path
 			if {$path eq $current_diff_path} {
 				set after {reshow_diff;}
 			}
 		}
 		}
 	}


 	# Split question between singular and plural cases, because
 	# such distinction is needed in some languages. Previously, the
 	# code used "Revert changes in" for both, but that can't work
 	# in languages where 'in' must be combined with word from
 	# rest of string (in diffrent way for both cases of course).
 	#
 	# FIXME: Unfortunately, even that isn't enough in some languages
 	# as they have quite complex plural-form rules. Unfortunately,
 	# msgcat doesn't seem to support that kind of string translation.
 	#
 	set n [llength $pathList]
 	if {$n == 0} {
 		unlock_index
 		return
 	} elseif {$n == 1} {
 		set query [mc "Revert changes in file %s?" [short_path [lindex $pathList]]]
 	} else {
 		set query [mc "Revert changes in these %i files?" $n]
 	}

 	set reply [tk_dialog \
 		.confirm_revert \
 		"[appname] ([reponame])" \
 		"$query

 [mc "Any unstaged changes will be permanently lost by the revert."]" \
 		question \
 		1 \
 		[mc "Do Nothing"] \
 		[mc "Revert Changes"] \
 		]
 	if {$reply == 1} {
 		checkout_index \
 			$txt \
 			$pathList \
 			[concat $after [list ui_ready]]
 	} else {
 		unlock_index
 	}
 }

 proc do_revert_selection {} {
 	global current_diff_path selected_paths

 	if {[array size selected_paths] > 0} {
 		revert_helper \
 			[mc "Reverting selected files"] \
 			[array names selected_paths]
 	} elseif {$current_diff_path ne {}} {
 		revert_helper \
 			[mc "Reverting %s" [short_path $current_diff_path]] \
 			[list $current_diff_path]
 	}
 }

 proc do_select_commit_type {} {
 	global commit_type selected_commit_type

 	if {$selected_commit_type eq {new}
 		&& [string match amend* $commit_type]} {
 		create_new_commit
 	} elseif {$selected_commit_type eq {amend}
 		&& ![string match amend* $commit_type]} {
 		load_last_commit

 		# The amend request was rejected...
 		#
 		if {![string match amend* $commit_type]} {
 			set selected_commit_type new
 		}
 	}
 }
	# git-gui index (add/remove) support
	# Copyright (C) 2006, 2007 Shawn Pearce

	proc _delete_indexlock {} {
	if {[catch {file delete -- [gitdir index.lock]} err]} {
	error_popup [strcat [mc "Unable to unlock the index."] "\n\n$err"]
	}
	}

	proc _close_updateindex {fd after} {
	global use_ttk NS
	fconfigure $fd -blocking 1
	if {[catch {close $fd} err]} {
	set w .indexfried
	Dialog $w
	wm withdraw $w
	wm title $w [strcat "[appname] ([reponame]): " [mc "Index Error"]]
	wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
	set s [mc "Updating the Git index failed. A rescan will be automatically started to resynchronize git-gui."]
	text $w.msg -yscrollcommand [list $w.vs set] \
	-width [string length $s] -relief flat \
	-borderwidth 0 -highlightthickness 0 \
	-background [get_bg_color $w]
	$w.msg tag configure bold -font font_uibold -justify center
	${NS}::scrollbar $w.vs -command [list $w.msg yview]
	$w.msg insert end $s bold \n\n$err {}
	$w.msg configure -state disabled

	${NS}::button $w.continue \
	-text [mc "Continue"] \
	-command [list destroy $w]
	${NS}::button $w.unlock \
	-text [mc "Unlock Index"] \
	-command "destroy $w; _delete_indexlock"
	grid $w.msg - $w.vs -sticky news
	grid $w.unlock $w.continue - -sticky se -padx 2 -pady 2
	grid columnconfigure $w 0 -weight 1
	grid rowconfigure $w 0 -weight 1

	wm protocol $w WM_DELETE_WINDOW update
	bind $w.continue <Visibility> "
	grab $w
	focus %W
	"
	wm deiconify $w
	tkwait window $w

	$::main_status stop
	unlock_index
	rescan $after 0
	return
	}

	$::main_status stop
	unlock_index
	uplevel #0 $after
	}

	proc update_indexinfo {msg pathList after} {
	global update_index_cp

	if {![lock_index update]} return

	set update_index_cp 0
	set pathList [lsort $pathList]
	set totalCnt [llength $pathList]
	set batch [expr {int($totalCnt * .01) + 1}]
	if {$batch > 25} {set batch 25}

	$::main_status start $msg [mc "files"]
	set fd [git_write update-index -z --index-info]
	fconfigure $fd \
	-blocking 0 \
	-buffering full \
	-buffersize 512 \
	-encoding binary \
	-translation binary
	fileevent $fd writable [list \
	write_update_indexinfo \
	$fd \
	$pathList \
	$totalCnt \
	$batch \
	$after \
	]
	}

	proc write_update_indexinfo {fd pathList totalCnt batch after} {
	global update_index_cp
	global file_states current_diff_path

	if {$update_index_cp >= $totalCnt} {
	_close_updateindex $fd $after
	return
	}

	for {set i $batch} \
	{$update_index_cp < $totalCnt && $i > 0} \
	{incr i -1} {
	set path [lindex $pathList $update_index_cp]
	incr update_index_cp

	set s $file_states($path)
	switch -glob -- [lindex $s 0] {
	A? {set new _O}
	MT -
	TM -
	T_ {set new _T}
	M? {set new _M}
	TD -
	D_ {set new _D}
	D? {set new _?}
	?? {continue}
	}
	set info [lindex $s 2]
	if {$info eq {}} continue

	puts -nonewline $fd "$info\t[encoding convertto $path]\0"
	display_file $path $new
	}

	$::main_status update $update_index_cp $totalCnt
	}

	proc update_index {msg pathList after} {
	global update_index_cp

	if {![lock_index update]} return

	set update_index_cp 0
	set pathList [lsort $pathList]
	set totalCnt [llength $pathList]
	set batch [expr {int($totalCnt * .01) + 1}]
	if {$batch > 25} {set batch 25}

	$::main_status start $msg [mc "files"]
	set fd [git_write update-index --add --remove -z --stdin]
	fconfigure $fd \
	-blocking 0 \
	-buffering full \
	-buffersize 512 \
	-encoding binary \
	-translation binary
	fileevent $fd writable [list \
	write_update_index \
	$fd \
	$pathList \
	$totalCnt \
	$batch \
	$after \
	]
	}

	proc write_update_index {fd pathList totalCnt batch after} {
	global update_index_cp
	global file_states current_diff_path

	if {$update_index_cp >= $totalCnt} {
	_close_updateindex $fd $after
	return
	}

	for {set i $batch} \
	{$update_index_cp < $totalCnt && $i > 0} \
	{incr i -1} {
	set path [lindex $pathList $update_index_cp]
	incr update_index_cp

	switch -glob -- [lindex $file_states($path) 0] {
	AD {set new __}
	?D {set new D_}
	_O -
	AT -
	AM {set new A_}
	TM -
	MT -
	_T {set new T_}
	_U -
	U? {
	if {[file exists $path]} {
	set new M_
	} else {
	set new D_
	}
	}
	?M {set new M_}
	?? {continue}
	}
	puts -nonewline $fd "[encoding convertto $path]\0"
	display_file $path $new
	}

	$::main_status update $update_index_cp $totalCnt
	}

	proc checkout_index {msg pathList after} {
	global update_index_cp

	if {![lock_index update]} return

	set update_index_cp 0
	set pathList [lsort $pathList]
	set totalCnt [llength $pathList]
	set batch [expr {int($totalCnt * .01) + 1}]
	if {$batch > 25} {set batch 25}

	$::main_status start $msg [mc "files"]
	set fd [git_write checkout-index \
	--index \
	--quiet \
	--force \
	-z \
	--stdin \
	]
	fconfigure $fd \
	-blocking 0 \
	-buffering full \
	-buffersize 512 \
	-encoding binary \
	-translation binary
	fileevent $fd writable [list \
	write_checkout_index \
	$fd \
	$pathList \
	$totalCnt \
	$batch \
	$after \
	]
	}

	proc write_checkout_index {fd pathList totalCnt batch after} {
	global update_index_cp
	global file_states current_diff_path

	if {$update_index_cp >= $totalCnt} {
	_close_updateindex $fd $after
	return
	}

	for {set i $batch} \
	{$update_index_cp < $totalCnt && $i > 0} \
	{incr i -1} {
	set path [lindex $pathList $update_index_cp]
	incr update_index_cp
	switch -glob -- [lindex $file_states($path) 0] {
	U? {continue}
	?M -
	?T -
	?D {
	puts -nonewline $fd "[encoding convertto $path]\0"
	display_file $path ?_
	}
	}
	}

	$::main_status update $update_index_cp $totalCnt
	}

	proc unstage_helper {txt paths} {
	global file_states current_diff_path

	if {![lock_index begin-update]} return

	set pathList [list]
	set after {}
	foreach path $paths {
	switch -glob -- [lindex $file_states($path) 0] {
	A? -
	M? -
	T? -
	D? {
	lappend pathList $path
	if {$path eq $current_diff_path} {
	set after {reshow_diff;}
	}
	}
	}
	}
	if {$pathList eq {}} {
	unlock_index
	} else {
	update_indexinfo \
	$txt \
	$pathList \
	[concat $after [list ui_ready]]
	}
	}

	proc do_unstage_selection {} {
	global current_diff_path selected_paths

	if {[array size selected_paths] > 0} {
	unstage_helper \
	{Unstaging selected files from commit} \
	[array names selected_paths]
	} elseif {$current_diff_path ne {}} {
	unstage_helper \
	[mc "Unstaging %s from commit" [short_path $current_diff_path]] \
	[list $current_diff_path]
	}
	}

	proc add_helper {txt paths} {
	global file_states current_diff_path

	if {![lock_index begin-update]} return

	set pathList [list]
	set after {}
	foreach path $paths {
	switch -glob -- [lindex $file_states($path) 0] {
	_U -
	U? {
	if {$path eq $current_diff_path} {
	unlock_index
	merge_stage_workdir $path
	return
	}
	}
	_O -
	?M -
	?D -
	?T {
	lappend pathList $path
	if {$path eq $current_diff_path} {
	set after {reshow_diff;}
	}
	}
	}
	}
	if {$pathList eq {}} {
	unlock_index
	} else {
	update_index \
	$txt \
	$pathList \
	[concat $after {ui_status [mc "Ready to commit."]}]
	}
	}

	proc do_add_selection {} {
	global current_diff_path selected_paths

	if {[array size selected_paths] > 0} {
	add_helper \
	{Adding selected files} \
	[array names selected_paths]
	} elseif {$current_diff_path ne {}} {
	add_helper \
	[mc "Adding %s" [short_path $current_diff_path]] \
	[list $current_diff_path]
	}
	}

	proc do_add_all {} {
	global file_states

	set paths [list]
	set untracked_paths [list]
	foreach path [array names file_states] {
	switch -glob -- [lindex $file_states($path) 0] {
	U? {continue}
	?M -
	?T -
	?D {lappend paths $path}
	?O {lappend untracked_paths $path}
	}
	}
	if {[llength $untracked_paths]} {
	set reply 0
	switch -- [get_config gui.stageuntracked] {
	no {
	set reply 0
	}
	yes {
	set reply 1
	}
	ask -
	default {
	set reply [ask_popup [mc "Stage %d untracked files?" \
	[llength $untracked_paths]]]
	}
	}
	if {$reply} {
	set paths [concat $paths $untracked_paths]
	}
	}
	add_helper {Adding all changed files} $paths
	}

	proc revert_helper {txt paths} {
	global file_states current_diff_path

	if {![lock_index begin-update]} return

	set pathList [list]
	set after {}
	foreach path $paths {
	switch -glob -- [lindex $file_states($path) 0] {
	U? {continue}
	?M -
	?T -
	?D {
	lappend pathList $path
	if {$path eq $current_diff_path} {
	set after {reshow_diff;}
	}
	}
	}
	}


	# Split question between singular and plural cases, because
	# such distinction is needed in some languages. Previously, the
	# code used "Revert changes in" for both, but that can't work
	# in languages where 'in' must be combined with word from
	# rest of string (in diffrent way for both cases of course).
	#
	# FIXME: Unfortunately, even that isn't enough in some languages
	# as they have quite complex plural-form rules. Unfortunately,
	# msgcat doesn't seem to support that kind of string translation.
	#
	set n [llength $pathList]
	if {$n == 0} {
	unlock_index
	return
	} elseif {$n == 1} {
	set query [mc "Revert changes in file %s?" [short_path [lindex $pathList]]]
	} else {
	set query [mc "Revert changes in these %i files?" $n]
	}

	set reply [tk_dialog \
	.confirm_revert \
	"[appname] ([reponame])" \
	"$query

	[mc "Any unstaged changes will be permanently lost by the revert."]" \
	question \
	1 \
	[mc "Do Nothing"] \
	[mc "Revert Changes"] \
	]
	if {$reply == 1} {
	checkout_index \
	$txt \
	$pathList \
	[concat $after [list ui_ready]]
	} else {
	unlock_index
	}
	}

	proc do_revert_selection {} {
	global current_diff_path selected_paths

	if {[array size selected_paths] > 0} {
	revert_helper \
	[mc "Reverting selected files"] \
	[array names selected_paths]
	} elseif {$current_diff_path ne {}} {
	revert_helper \
	[mc "Reverting %s" [short_path $current_diff_path]] \
	[list $current_diff_path]
	}
	}

	proc do_select_commit_type {} {
	global commit_type selected_commit_type

	if {$selected_commit_type eq {new}
	&& [string match amend* $commit_type]} {
	create_new_commit
	} elseif {$selected_commit_type eq {amend}
	&& ![string match amend* $commit_type]} {
	load_last_commit

	# The amend request was rejected...
	#
	if {![string match amend* $commit_type]} {
	set selected_commit_type new
	}
	}
	}