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Diffstat (limited to 'git-gui/git-gui.sh')
| -rwxr-xr-x | git-gui/git-gui.sh | 3028 |
1 files changed, 3028 insertions, 0 deletions
diff --git a/git-gui/git-gui.sh b/git-gui/git-gui.sh new file mode 100755 index 0000000000..ad65aaad5a --- /dev/null +++ b/git-gui/git-gui.sh @@ -0,0 +1,3028 @@ +#!/bin/sh +# Tcl ignores the next line -*- tcl -*- \ + if test "z$*" = zversion \ + || test "z$*" = z--version; \ + then \ + echo 'git-gui version @@GITGUI_VERSION@@'; \ + exit; \ + fi; \ + argv0=$0; \ + exec wish "$argv0" -- "$@" + +set appvers {@@GITGUI_VERSION@@} +set copyright [encoding convertfrom utf-8 { +Copyright © 2006, 2007 Shawn Pearce, et. al. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA}] + +###################################################################### +## +## Tcl/Tk sanity check + +if {[catch {package require Tcl 8.4} err] + || [catch {package require Tk 8.4} err] +} { + catch {wm withdraw .} + tk_messageBox \ + -icon error \ + -type ok \ + -title [mc "git-gui: fatal error"] \ + -message $err + exit 1 +} + +catch {rename send {}} ; # What an evil concept... + +###################################################################### +## +## locate our library + +set oguilib {@@GITGUI_LIBDIR@@} +set oguirel {@@GITGUI_RELATIVE@@} +if {$oguirel eq {1}} { + set oguilib [file dirname [file normalize $argv0]] + if {[file tail $oguilib] eq {git-core}} { + set oguilib [file dirname $oguilib] + } + set oguilib [file dirname $oguilib] + set oguilib [file join $oguilib share git-gui lib] + set oguimsg [file join $oguilib msgs] +} elseif {[string match @@* $oguirel]} { + set oguilib [file join [file dirname [file normalize $argv0]] lib] + set oguimsg [file join [file dirname [file normalize $argv0]] po] +} else { + set oguimsg [file join $oguilib msgs] +} +unset oguirel + +###################################################################### +## +## enable verbose loading? + +if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} { + unset _verbose + rename auto_load real__auto_load + proc auto_load {name args} { + puts stderr "auto_load $name" + return [uplevel 1 real__auto_load $name $args] + } + rename source real__source + proc source {name} { + puts stderr "source $name" + uplevel 1 real__source $name + } +} + +###################################################################### +## +## Internationalization (i18n) through msgcat and gettext. See +## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html + +package require msgcat + +proc _mc_trim {fmt} { + set cmk [string first @@ $fmt] + if {$cmk > 0} { + return [string range $fmt 0 [expr {$cmk - 1}]] + } + return $fmt +} + +proc mc {en_fmt args} { + set fmt [_mc_trim [::msgcat::mc $en_fmt]] + if {[catch {set msg [eval [list format $fmt] $args]} err]} { + set msg [eval [list format [_mc_trim $en_fmt]] $args] + } + return $msg +} + +proc strcat {args} { + return [join $args {}] +} + +::msgcat::mcload $oguimsg +unset oguimsg + +###################################################################### +## +## read only globals + +set _appname {Git Gui} +set _gitdir {} +set _gitexec {} +set _reponame {} +set _iscygwin {} +set _search_path {} + +set _trace [lsearch -exact $argv --trace] +if {$_trace >= 0} { + set argv [lreplace $argv $_trace $_trace] + set _trace 1 +} else { + set _trace 0 +} + +proc appname {} { + global _appname + return $_appname +} + +proc gitdir {args} { + global _gitdir + if {$args eq {}} { + return $_gitdir + } + return [eval [list file join $_gitdir] $args] +} + +proc gitexec {args} { + global _gitexec + if {$_gitexec eq {}} { + if {[catch {set _gitexec [git --exec-path]} err]} { + error "Git not installed?\n\n$err" + } + if {[is_Cygwin]} { + set _gitexec [exec cygpath \ + --windows \ + --absolute \ + $_gitexec] + } else { + set _gitexec [file normalize $_gitexec] + } + } + if {$args eq {}} { + return $_gitexec + } + return [eval [list file join $_gitexec] $args] +} + +proc reponame {} { + return $::_reponame +} + +proc is_MacOSX {} { + if {[tk windowingsystem] eq {aqua}} { + return 1 + } + return 0 +} + +proc is_Windows {} { + if {$::tcl_platform(platform) eq {windows}} { + return 1 + } + return 0 +} + +proc is_Cygwin {} { + global _iscygwin + if {$_iscygwin eq {}} { + if {$::tcl_platform(platform) eq {windows}} { + if {[catch {set p [exec cygpath --windir]} err]} { + set _iscygwin 0 + } else { + set _iscygwin 1 + } + } else { + set _iscygwin 0 + } + } + return $_iscygwin +} + +proc is_enabled {option} { + global enabled_options + if {[catch {set on $enabled_options($option)}]} {return 0} + return $on +} + +proc enable_option {option} { + global enabled_options + set enabled_options($option) 1 +} + +proc disable_option {option} { + global enabled_options + set enabled_options($option) 0 +} + +###################################################################### +## +## config + +proc is_many_config {name} { + switch -glob -- $name { + gui.recentrepo - + remote.*.fetch - + remote.*.push + {return 1} + * + {return 0} + } +} + +proc is_config_true {name} { + global repo_config + if {[catch {set v $repo_config($name)}]} { + return 0 + } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} { + return 1 + } else { + return 0 + } +} + +proc get_config {name} { + global repo_config + if {[catch {set v $repo_config($name)}]} { + return {} + } else { + return $v + } +} + +###################################################################### +## +## handy utils + +proc _trace_exec {cmd} { + if {!$::_trace} return + set d {} + foreach v $cmd { + if {$d ne {}} { + append d { } + } + if {[regexp {[ \t\r\n'"$?*]} $v]} { + set v [sq $v] + } + append d $v + } + puts stderr $d +} + +proc _git_cmd {name} { + global _git_cmd_path + + if {[catch {set v $_git_cmd_path($name)}]} { + switch -- $name { + version - + --version - + --exec-path { return [list $::_git $name] } + } + + set p [gitexec git-$name$::_search_exe] + if {[file exists $p]} { + set v [list $p] + } elseif {[is_Windows] && [file exists [gitexec git-$name]]} { + # Try to determine what sort of magic will make + # git-$name go and do its thing, because native + # Tcl on Windows doesn't know it. + # + set p [gitexec git-$name] + set f [open $p r] + set s [gets $f] + close $f + + switch -glob -- [lindex $s 0] { + #!*sh { set i sh } + #!*perl { set i perl } + #!*python { set i python } + default { error "git-$name is not supported: $s" } + } + + upvar #0 _$i interp + if {![info exists interp]} { + set interp [_which $i] + } + if {$interp eq {}} { + error "git-$name requires $i (not in PATH)" + } + set v [concat [list $interp] [lrange $s 1 end] [list $p]] + } else { + # Assume it is builtin to git somehow and we + # aren't actually able to see a file for it. + # + set v [list $::_git $name] + } + set _git_cmd_path($name) $v + } + return $v +} + +proc _which {what args} { + global env _search_exe _search_path + + if {$_search_path eq {}} { + if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} { + set _search_path [split [exec cygpath \ + --windows \ + --path \ + --absolute \ + $env(PATH)] {;}] + set _search_exe .exe + } elseif {[is_Windows]} { + set gitguidir [file dirname [info script]] + regsub -all ";" $gitguidir "\\;" gitguidir + set env(PATH) "$gitguidir;$env(PATH)" + set _search_path [split $env(PATH) {;}] + set _search_exe .exe + } else { + set _search_path [split $env(PATH) :] + set _search_exe {} + } + } + + if {[is_Windows] && [lsearch -exact $args -script] >= 0} { + set suffix {} + } else { + set suffix $_search_exe + } + + foreach p $_search_path { + set p [file join $p $what$suffix] + if {[file exists $p]} { + return [file normalize $p] + } + } + return {} +} + +proc _lappend_nice {cmd_var} { + global _nice + upvar $cmd_var cmd + + if {![info exists _nice]} { + set _nice [_which nice] + } + if {$_nice ne {}} { + lappend cmd $_nice + } +} + +proc git {args} { + set opt [list] + + while {1} { + switch -- [lindex $args 0] { + --nice { + _lappend_nice opt + } + + default { + break + } + + } + + set args [lrange $args 1 end] + } + + set cmdp [_git_cmd [lindex $args 0]] + set args [lrange $args 1 end] + + _trace_exec [concat $opt $cmdp $args] + set result [eval exec $opt $cmdp $args] + if {$::_trace} { + puts stderr "< $result" + } + return $result +} + +proc _open_stdout_stderr {cmd} { + _trace_exec $cmd + if {[catch { + set fd [open [concat [list | ] $cmd] r] + } err]} { + if { [lindex $cmd end] eq {2>@1} + && $err eq {can not find channel named "1"} + } { + # Older versions of Tcl 8.4 don't have this 2>@1 IO + # redirect operator. Fallback to |& cat for those. + # The command was not actually started, so its safe + # to try to start it a second time. + # + set fd [open [concat \ + [list | ] \ + [lrange $cmd 0 end-1] \ + [list |& cat] \ + ] r] + } else { + error $err + } + } + fconfigure $fd -eofchar {} + return $fd +} + +proc git_read {args} { + set opt [list] + + while {1} { + switch -- [lindex $args 0] { + --nice { + _lappend_nice opt + } + + --stderr { + lappend args 2>@1 + } + + default { + break + } + + } + + set args [lrange $args 1 end] + } + + set cmdp [_git_cmd [lindex $args 0]] + set args [lrange $args 1 end] + + return [_open_stdout_stderr [concat $opt $cmdp $args]] +} + +proc git_write {args} { + set opt [list] + + while {1} { + switch -- [lindex $args 0] { + --nice { + _lappend_nice opt + } + + default { + break + } + + } + + set args [lrange $args 1 end] + } + + set cmdp [_git_cmd [lindex $args 0]] + set args [lrange $args 1 end] + + _trace_exec [concat $opt $cmdp $args] + return [open [concat [list | ] $opt $cmdp $args] w] +} + +proc githook_read {hook_name args} { + set pchook [gitdir hooks $hook_name] + lappend args 2>@1 + + # On Windows [file executable] might lie so we need to ask + # the shell if the hook is executable. Yes that's annoying. + # + if {[is_Windows]} { + upvar #0 _sh interp + if {![info exists interp]} { + set interp [_which sh] + } + if {$interp eq {}} { + error "hook execution requires sh (not in PATH)" + } + + set scr {if test -x "$1";then exec "$@";fi} + set sh_c [list $interp -c $scr $interp $pchook] + return [_open_stdout_stderr [concat $sh_c $args]] + } + + if {[file executable $pchook]} { + return [_open_stdout_stderr [concat [list $pchook] $args]] + } + + return {} +} + +proc kill_file_process {fd} { + set process [pid $fd] + + catch { + if {[is_Windows]} { + # Use a Cygwin-specific flag to allow killing + # native Windows processes + exec kill -f $process + } else { + exec kill $process + } + } +} + +proc sq {value} { + regsub -all ' $value "'\\''" value + return "'$value'" +} + +proc load_current_branch {} { + global current_branch is_detached + + set fd [open [gitdir HEAD] r] + if {[gets $fd ref] < 1} { + set ref {} + } + close $fd + + set pfx {ref: refs/heads/} + set len [string length $pfx] + if {[string equal -length $len $pfx $ref]} { + # We're on a branch. It might not exist. But + # HEAD looks good enough to be a branch. + # + set current_branch [string range $ref $len end] + set is_detached 0 + } else { + # Assume this is a detached head. + # + set current_branch HEAD + set is_detached 1 + } +} + +auto_load tk_optionMenu +rename tk_optionMenu real__tkOptionMenu +proc tk_optionMenu {w varName args} { + set m [eval real__tkOptionMenu $w $varName $args] + $m configure -font font_ui + $w configure -font font_ui + return $m +} + +proc rmsel_tag {text} { + $text tag conf sel \ + -background [$text cget -background] \ + -foreground [$text cget -foreground] \ + -borderwidth 0 + $text tag conf in_sel -background lightgray + bind $text <Motion> break + return $text +} + +set root_exists 0 +bind . <Visibility> { + bind . <Visibility> {} + set root_exists 1 +} + +if {[is_Windows]} { + wm iconbitmap . -default $oguilib/git-gui.ico +} + +###################################################################### +## +## config defaults + +set cursor_ptr arrow +font create font_diff -family Courier -size 10 +font create font_ui +catch { + label .dummy + eval font configure font_ui [font actual [.dummy cget -font]] + destroy .dummy +} + +font create font_uiitalic +font create font_uibold +font create font_diffbold +font create font_diffitalic + +foreach class {Button Checkbutton Entry Label + Labelframe Listbox Menu Message + Radiobutton Spinbox Text} { + option add *$class.font font_ui +} +unset class + +if {[is_Windows] || [is_MacOSX]} { + option add *Menu.tearOff 0 +} + +if {[is_MacOSX]} { + set M1B M1 + set M1T Cmd +} else { + set M1B Control + set M1T Ctrl +} + +proc bind_button3 {w cmd} { + bind $w <Any-Button-3> $cmd + if {[is_MacOSX]} { + # Mac OS X sends Button-2 on right click through three-button mouse, + # or through trackpad right-clicking (two-finger touch + click). + bind $w <Any-Button-2> $cmd + bind $w <Control-Button-1> $cmd + } +} + +proc apply_config {} { + global repo_config font_descs + + foreach option $font_descs { + set name [lindex $option 0] + set font [lindex $option 1] + if {[catch { + set need_weight 1 + foreach {cn cv} $repo_config(gui.$name) { + if {$cn eq {-weight}} { + set need_weight 0 + } + font configure $font $cn $cv + } + if {$need_weight} { + font configure $font -weight normal + } + } err]} { + error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"] + } + foreach {cn cv} [font configure $font] { + font configure ${font}bold $cn $cv + font configure ${font}italic $cn $cv + } + font configure ${font}bold -weight bold + font configure ${font}italic -slant italic + } +} + +set default_config(branch.autosetupmerge) true +set default_config(merge.diffstat) true +set default_config(merge.summary) false +set default_config(merge.verbosity) 2 +set default_config(user.name) {} +set default_config(user.email) {} + +set default_config(gui.matchtrackingbranch) false +set default_config(gui.pruneduringfetch) false +set default_config(gui.trustmtime) false +set default_config(gui.fastcopyblame) false +set default_config(gui.copyblamethreshold) 40 +set default_config(gui.diffcontext) 5 +set default_config(gui.commitmsgwidth) 75 +set default_config(gui.newbranchtemplate) {} +set default_config(gui.spellingdictionary) {} +set default_config(gui.fontui) [font configure font_ui] +set default_config(gui.fontdiff) [font configure font_diff] +set font_descs { + {fontui font_ui {mc "Main Font"}} + {fontdiff font_diff {mc "Diff/Console Font"}} +} + +###################################################################### +## +## find git + +set _git [_which git] +if {$_git eq {}} { + catch {wm withdraw .} + tk_messageBox \ + -icon error \ + -type ok \ + -title [mc "git-gui: fatal error"] \ + -message [mc "Cannot find git in PATH."] + exit 1 +} + +###################################################################### +## +## version check + +if {[catch {set _git_version [git --version]} err]} { + catch {wm withdraw .} + tk_messageBox \ + -icon error \ + -type ok \ + -title [mc "git-gui: fatal error"] \ + -message "Cannot determine Git version: + +$err + +[appname] requires Git 1.5.0 or later." + exit 1 +} +if {![regsub {^git version } $_git_version {} _git_version]} { + catch {wm withdraw .} + tk_messageBox \ + -icon error \ + -type ok \ + -title [mc "git-gui: fatal error"] \ + -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"] + exit 1 +} + +set _real_git_version $_git_version +regsub -- {[\-\.]dirty$} $_git_version {} _git_version +regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version +regsub {\.rc[0-9]+$} $_git_version {} _git_version +regsub {\.GIT$} $_git_version {} _git_version +regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version + +if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} { + catch {wm withdraw .} + if {[tk_messageBox \ + -icon warning \ + -type yesno \ + -default no \ + -title "[appname]: warning" \ + -message [mc "Git version cannot be determined. + +%s claims it is version '%s'. + +%s requires at least Git 1.5.0 or later. + +Assume '%s' is version 1.5.0? +" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} { + set _git_version 1.5.0 + } else { + exit 1 + } +} +unset _real_git_version + +proc git-version {args} { + global _git_version + + switch [llength $args] { + 0 { + return $_git_version + } + + 2 { + set op [lindex $args 0] + set vr [lindex $args 1] + set cm [package vcompare $_git_version $vr] + return [expr $cm $op 0] + } + + 4 { + set type [lindex $args 0] + set name [lindex $args 1] + set parm [lindex $args 2] + set body [lindex $args 3] + + if {($type ne {proc} && $type ne {method})} { + error "Invalid arguments to git-version" + } + if {[llength $body] < 2 || [lindex $body end-1] ne {default}} { + error "Last arm of $type $name must be default" + } + + foreach {op vr cb} [lrange $body 0 end-2] { + if {[git-version $op $vr]} { + return [uplevel [list $type $name $parm $cb]] + } + } + + return [uplevel [list $type $name $parm [lindex $body end]]] + } + + default { + error "git-version >= x" + } + + } +} + +if {[git-version < 1.5]} { + catch {wm withdraw .} + tk_messageBox \ + -icon error \ + -type ok \ + -title [mc "git-gui: fatal error"] \ + -message "[appname] requires Git 1.5.0 or later. + +You are using [git-version]: + +[git --version]" + exit 1 +} + +###################################################################### +## +## configure our library + +set idx [file join $oguilib tclIndex] +if {[catch {set fd [open $idx r]} err]} { + catch {wm withdraw .} + tk_messageBox \ + -icon error \ + -type ok \ + -title [mc "git-gui: fatal error"] \ + -message $err + exit 1 +} +if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} { + set idx [list] + while {[gets $fd n] >= 0} { + if {$n ne {} && ![string match #* $n]} { + lappend idx $n + } + } +} else { + set idx {} +} +close $fd + +if {$idx ne {}} { + set loaded [list] + foreach p $idx { + if {[lsearch -exact $loaded $p] >= 0} continue + source [file join $oguilib $p] + lappend loaded $p + } + unset loaded p +} else { + set auto_path [concat [list $oguilib] $auto_path] +} +unset -nocomplain idx fd + +###################################################################### +## +## config file parsing + +git-version proc _parse_config {arr_name args} { + >= 1.5.3 { + upvar $arr_name arr + array unset arr + set buf {} + catch { + set fd_rc [eval \ + [list git_read config] \ + $args \ + [list --null --list]] + fconfigure $fd_rc -translation binary + set buf [read $fd_rc] + close $fd_rc + } + foreach line [split $buf "\0"] { + if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} { + if {[is_many_config $name]} { + lappend arr($name) $value + } else { + set arr($name) $value + } + } + } + } + default { + upvar $arr_name arr + array unset arr + catch { + set fd_rc [eval [list git_read config --list] $args] + while {[gets $fd_rc line] >= 0} { + if {[regexp {^([^=]+)=(.*)$} $line line name value]} { + if {[is_many_config $name]} { + lappend arr($name) $value + } else { + set arr($name) $value + } + } + } + close $fd_rc + } + } +} + +proc load_config {include_global} { + global repo_config global_config default_config + + if {$include_global} { + _parse_config global_config --global + } + _parse_config repo_config + + foreach name [array names default_config] { + if {[catch {set v $global_config($name)}]} { + set global_config($name) $default_config($name) + } + if {[catch {set v $repo_config($name)}]} { + set repo_config($name) $default_config($name) + } + } +} + +###################################################################### +## +## feature option selection + +if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} { + unset _junk +} else { + set subcommand gui +} +if {$subcommand eq {gui.sh}} { + set subcommand gui +} +if {$subcommand eq {gui} && [llength $argv] > 0} { + set subcommand [lindex $argv 0] + set argv [lrange $argv 1 end] +} + +enable_option multicommit +enable_option branch +enable_option transport +disable_option bare + +switch -- $subcommand { +browser - +blame { + enable_option bare + + disable_option multicommit + disable_option branch + disable_option transport +} +citool { + enable_option singlecommit + + disable_option multicommit + disable_option branch + disable_option transport +} +} + +###################################################################### +## +## repository setup + +if {[catch { + set _gitdir $env(GIT_DIR) + set _prefix {} + }] + && [catch { + set _gitdir [git rev-parse --git-dir] + set _prefix [git rev-parse --show-prefix] + } err]} { + load_config 1 + apply_config + choose_repository::pick +} +if {![file isdirectory $_gitdir] && [is_Cygwin]} { + catch {set _gitdir [exec cygpath --windows $_gitdir]} +} +if {![file isdirectory $_gitdir]} { + catch {wm withdraw .} + error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"] + exit 1 +} +if {$_prefix ne {}} { + regsub -all {[^/]+/} $_prefix ../ cdup + if {[catch {cd $cdup} err]} { + catch {wm withdraw .} + error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"] + exit 1 + } + unset cdup +} elseif {![is_enabled bare]} { + if {[lindex [file split $_gitdir] end] ne {.git}} { + catch {wm withdraw .} + error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"] + exit 1 + } + if {[catch {cd [file dirname $_gitdir]} err]} { + catch {wm withdraw .} + error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"] + exit 1 + } +} +set _reponame [file split [file normalize $_gitdir]] +if {[lindex $_reponame end] eq {.git}} { + set _reponame [lindex $_reponame end-1] +} else { + set _reponame [lindex $_reponame end] +} + +###################################################################### +## +## global init + +set current_diff_path {} +set current_diff_side {} +set diff_actions [list] + +set HEAD {} +set PARENT {} +set MERGE_HEAD [list] +set commit_type {} +set empty_tree {} +set current_branch {} +set is_detached 0 +set current_diff_path {} +set is_3way_diff 0 +set selected_commit_type new + +###################################################################### +## +## task management + +set rescan_active 0 +set diff_active 0 +set last_clicked {} + +set disable_on_lock [list] +set index_lock_type none + +proc lock_index {type} { + global index_lock_type disable_on_lock + + if {$index_lock_type eq {none}} { + set index_lock_type $type + foreach w $disable_on_lock { + uplevel #0 $w disabled + } + return 1 + } elseif {$index_lock_type eq "begin-$type"} { + set index_lock_type $type + return 1 + } + return 0 +} + +proc unlock_index {} { + global index_lock_type disable_on_lock + + set index_lock_type none + foreach w $disable_on_lock { + uplevel #0 $w normal + } +} + +###################################################################### +## +## status + +proc repository_state {ctvar hdvar mhvar} { + global current_branch + upvar $ctvar ct $hdvar hd $mhvar mh + + set mh [list] + + load_current_branch + if {[catch {set hd [git rev-parse --verify HEAD]}]} { + set hd {} + set ct initial + return + } + + set merge_head [gitdir MERGE_HEAD] + if {[file exists $merge_head]} { + set ct merge + set fd_mh [open $merge_head r] + while {[gets $fd_mh line] >= 0} { + lappend mh $line + } + close $fd_mh + return + } + + set ct normal +} + +proc PARENT {} { + global PARENT empty_tree + + set p [lindex $PARENT 0] + if {$p ne {}} { + return $p + } + if {$empty_tree eq {}} { + set empty_tree [git mktree << {}] + } + return $empty_tree +} + +proc rescan {after {honor_trustmtime 1}} { + global HEAD PARENT MERGE_HEAD commit_type + global ui_index ui_workdir ui_comm + global rescan_active file_states + global repo_config + + if {$rescan_active > 0 || ![lock_index read]} return + + repository_state newType newHEAD newMERGE_HEAD + if {[string match amend* $commit_type] + && $newType eq {normal} + && $newHEAD eq $HEAD} { + } else { + set HEAD $newHEAD + set PARENT $newHEAD + set MERGE_HEAD $newMERGE_HEAD + set commit_type $newType + } + + array unset file_states + + if {!$::GITGUI_BCK_exists && + (![$ui_comm edit modified] + || [string trim [$ui_comm get 0.0 end]] eq {})} { + if {[string match amend* $commit_type]} { + } elseif {[load_message GITGUI_MSG]} { + } elseif {[load_message MERGE_MSG]} { + } elseif {[load_message SQUASH_MSG]} { + } + $ui_comm edit reset + $ui_comm edit modified false + } + + if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} { + rescan_stage2 {} $after + } else { + set rescan_active 1 + ui_status [mc "Refreshing file status..."] + set fd_rf [git_read update-index \ + -q \ + --unmerged \ + --ignore-missing \ + --refresh \ + ] + fconfigure $fd_rf -blocking 0 -translation binary + fileevent $fd_rf readable \ + [list rescan_stage2 $fd_rf $after] + } +} + +if {[is_Cygwin]} { + set is_git_info_exclude {} + proc have_info_exclude {} { + global is_git_info_exclude + + if {$is_git_info_exclude eq {}} { + if {[catch {exec test -f [gitdir info exclude]}]} { + set is_git_info_exclude 0 + } else { + set is_git_info_exclude 1 + } + } + return $is_git_info_exclude + } +} else { + proc have_info_exclude {} { + return [file readable [gitdir info exclude]] + } +} + +proc rescan_stage2 {fd after} { + global rescan_active buf_rdi buf_rdf buf_rlo + + if {$fd ne {}} { + read $fd + if {![eof $fd]} return + close $fd + } + + set ls_others [list --exclude-per-directory=.gitignore] + if {[have_info_exclude]} { + lappend ls_others "--exclude-from=[gitdir info exclude]" + } + set user_exclude [get_config core.excludesfile] + if {$user_exclude ne {} && [file readable $user_exclude]} { + lappend ls_others "--exclude-from=$user_exclude" + } + + set buf_rdi {} + set buf_rdf {} + set buf_rlo {} + + set rescan_active 3 + ui_status [mc "Scanning for modified files ..."] + set fd_di [git_read diff-index --cached -z [PARENT]] + set fd_df [git_read diff-files -z] + set fd_lo [eval git_read ls-files --others -z $ls_others] + + fconfigure $fd_di -blocking 0 -translation binary -encoding binary + fconfigure $fd_df -blocking 0 -translation binary -encoding binary + fconfigure $fd_lo -blocking 0 -translation binary -encoding binary + fileevent $fd_di readable [list read_diff_index $fd_di $after] + fileevent $fd_df readable [list read_diff_files $fd_df $after] + fileevent $fd_lo readable [list read_ls_others $fd_lo $after] +} + +proc load_message {file} { + global ui_comm + + set f [gitdir $file] + if {[file isfile $f]} { + if {[catch {set fd [open $f r]}]} { + return 0 + } + fconfigure $fd -eofchar {} + set content [string trim [read $fd]] + close $fd + regsub -all -line {[ \r\t]+$} $content {} content + $ui_comm delete 0.0 end + $ui_comm insert end $content + return 1 + } + return 0 +} + +proc read_diff_index {fd after} { + global buf_rdi + + append buf_rdi [read $fd] + set c 0 + set n [string length $buf_rdi] + while {$c < $n} { + set z1 [string first "\0" $buf_rdi $c] + if {$z1 == -1} break + incr z1 + set z2 [string first "\0" $buf_rdi $z1] + if {$z2 == -1} break + + incr c + set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }] + set p [string range $buf_rdi $z1 [expr {$z2 - 1}]] + merge_state \ + [encoding convertfrom $p] \ + [lindex $i 4]? \ + [list [lindex $i 0] [lindex $i 2]] \ + [list] + set c $z2 + incr c + } + if {$c < $n} { + set buf_rdi [string range $buf_rdi $c end] + } else { + set buf_rdi {} + } + + rescan_done $fd buf_rdi $after +} + +proc read_diff_files {fd after} { + global buf_rdf + + append buf_rdf [read $fd] + set c 0 + set n [string length $buf_rdf] + while {$c < $n} { + set z1 [string first "\0" $buf_rdf $c] + if {$z1 == -1} break + incr z1 + set z2 [string first "\0" $buf_rdf $z1] + if {$z2 == -1} break + + incr c + set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }] + set p [string range $buf_rdf $z1 [expr {$z2 - 1}]] + merge_state \ + [encoding convertfrom $p] \ + ?[lindex $i 4] \ + [list] \ + [list [lindex $i 0] [lindex $i 2]] + set c $z2 + incr c + } + if {$c < $n} { + set buf_rdf [string range $buf_rdf $c end] + } else { + set buf_rdf {} + } + + rescan_done $fd buf_rdf $after +} + +proc read_ls_others {fd after} { + global buf_rlo + + append buf_rlo [read $fd] + set pck [split $buf_rlo "\0"] + set buf_rlo [lindex $pck end] + foreach p [lrange $pck 0 end-1] { + set p [encoding convertfrom $p] + if {[string index $p end] eq {/}} { + set p [string range $p 0 end-1] + } + merge_state $p ?O + } + rescan_done $fd buf_rlo $after +} + +proc rescan_done {fd buf after} { + global rescan_active current_diff_path + global file_states repo_config + upvar $buf to_clear + + if {![eof $fd]} return + set to_clear {} + close $fd + if {[incr rescan_active -1] > 0} return + + prune_selection + unlock_index + display_all_files + if {$current_diff_path ne {}} reshow_diff + uplevel #0 $after +} + +proc prune_selection {} { + global file_states selected_paths + + foreach path [array names selected_paths] { + if {[catch {set still_here $file_states($path)}]} { + unset selected_paths($path) + } + } +} + |