f849e745ba742a081b6934652f4cbf1885162d9c
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [encoding convertfrom utf-8 {
  14Copyright © 2006, 2007 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title [mc "git-gui: fatal error"] \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$oguirel eq {1}} {
  55        set oguilib [file dirname [file normalize $argv0]]
  56        if {[file tail $oguilib] eq {git-core}} {
  57                set oguilib [file dirname $oguilib]
  58        }
  59        set oguilib [file dirname $oguilib]
  60        set oguilib [file join $oguilib share git-gui lib]
  61        set oguimsg [file join $oguilib msgs]
  62} elseif {[string match @@* $oguirel]} {
  63        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65} else {
  66        set oguimsg [file join $oguilib msgs]
  67}
  68unset oguirel
  69
  70######################################################################
  71##
  72## enable verbose loading?
  73
  74if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75        unset _verbose
  76        rename auto_load real__auto_load
  77        proc auto_load {name args} {
  78                puts stderr "auto_load $name"
  79                return [uplevel 1 real__auto_load $name $args]
  80        }
  81        rename source real__source
  82        proc source {name} {
  83                puts stderr "source    $name"
  84                uplevel 1 real__source $name
  85        }
  86}
  87
  88######################################################################
  89##
  90## Internationalization (i18n) through msgcat and gettext. See
  91## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  92
  93package require msgcat
  94
  95proc _mc_trim {fmt} {
  96        set cmk [string first @@ $fmt]
  97        if {$cmk > 0} {
  98                return [string range $fmt 0 [expr {$cmk - 1}]]
  99        }
 100        return $fmt
 101}
 102
 103proc mc {en_fmt args} {
 104        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 105        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 106                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 107        }
 108        return $msg
 109}
 110
 111proc strcat {args} {
 112        return [join $args {}]
 113}
 114
 115::msgcat::mcload $oguimsg
 116unset oguimsg
 117
 118######################################################################
 119##
 120## read only globals
 121
 122set _appname {Git Gui}
 123set _gitdir {}
 124set _gitexec {}
 125set _reponame {}
 126set _iscygwin {}
 127set _search_path {}
 128
 129set _trace [lsearch -exact $argv --trace]
 130if {$_trace >= 0} {
 131        set argv [lreplace $argv $_trace $_trace]
 132        set _trace 1
 133} else {
 134        set _trace 0
 135}
 136
 137proc appname {} {
 138        global _appname
 139        return $_appname
 140}
 141
 142proc gitdir {args} {
 143        global _gitdir
 144        if {$args eq {}} {
 145                return $_gitdir
 146        }
 147        return [eval [list file join $_gitdir] $args]
 148}
 149
 150proc gitexec {args} {
 151        global _gitexec
 152        if {$_gitexec eq {}} {
 153                if {[catch {set _gitexec [git --exec-path]} err]} {
 154                        error "Git not installed?\n\n$err"
 155                }
 156                if {[is_Cygwin]} {
 157                        set _gitexec [exec cygpath \
 158                                --windows \
 159                                --absolute \
 160                                $_gitexec]
 161                } else {
 162                        set _gitexec [file normalize $_gitexec]
 163                }
 164        }
 165        if {$args eq {}} {
 166                return $_gitexec
 167        }
 168        return [eval [list file join $_gitexec] $args]
 169}
 170
 171proc reponame {} {
 172        return $::_reponame
 173}
 174
 175proc is_MacOSX {} {
 176        if {[tk windowingsystem] eq {aqua}} {
 177                return 1
 178        }
 179        return 0
 180}
 181
 182proc is_Windows {} {
 183        if {$::tcl_platform(platform) eq {windows}} {
 184                return 1
 185        }
 186        return 0
 187}
 188
 189proc is_Cygwin {} {
 190        global _iscygwin
 191        if {$_iscygwin eq {}} {
 192                if {$::tcl_platform(platform) eq {windows}} {
 193                        if {[catch {set p [exec cygpath --windir]} err]} {
 194                                set _iscygwin 0
 195                        } else {
 196                                set _iscygwin 1
 197                        }
 198                } else {
 199                        set _iscygwin 0
 200                }
 201        }
 202        return $_iscygwin
 203}
 204
 205proc is_enabled {option} {
 206        global enabled_options
 207        if {[catch {set on $enabled_options($option)}]} {return 0}
 208        return $on
 209}
 210
 211proc enable_option {option} {
 212        global enabled_options
 213        set enabled_options($option) 1
 214}
 215
 216proc disable_option {option} {
 217        global enabled_options
 218        set enabled_options($option) 0
 219}
 220
 221######################################################################
 222##
 223## config
 224
 225proc is_many_config {name} {
 226        switch -glob -- $name {
 227        gui.recentrepo -
 228        remote.*.fetch -
 229        remote.*.push
 230                {return 1}
 231        *
 232                {return 0}
 233        }
 234}
 235
 236proc is_config_true {name} {
 237        global repo_config
 238        if {[catch {set v $repo_config($name)}]} {
 239                return 0
 240        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 241                return 1
 242        } else {
 243                return 0
 244        }
 245}
 246
 247proc get_config {name} {
 248        global repo_config
 249        if {[catch {set v $repo_config($name)}]} {
 250                return {}
 251        } else {
 252                return $v
 253        }
 254}
 255
 256######################################################################
 257##
 258## handy utils
 259
 260proc _trace_exec {cmd} {
 261        if {!$::_trace} return
 262        set d {}
 263        foreach v $cmd {
 264                if {$d ne {}} {
 265                        append d { }
 266                }
 267                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 268                        set v [sq $v]
 269                }
 270                append d $v
 271        }
 272        puts stderr $d
 273}
 274
 275proc _git_cmd {name} {
 276        global _git_cmd_path
 277
 278        if {[catch {set v $_git_cmd_path($name)}]} {
 279                switch -- $name {
 280                  version   -
 281                --version   -
 282                --exec-path { return [list $::_git $name] }
 283                }
 284
 285                set p [gitexec git-$name$::_search_exe]
 286                if {[file exists $p]} {
 287                        set v [list $p]
 288                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 289                        # Try to determine what sort of magic will make
 290                        # git-$name go and do its thing, because native
 291                        # Tcl on Windows doesn't know it.
 292                        #
 293                        set p [gitexec git-$name]
 294                        set f [open $p r]
 295                        set s [gets $f]
 296                        close $f
 297
 298                        switch -glob -- [lindex $s 0] {
 299                        #!*sh     { set i sh     }
 300                        #!*perl   { set i perl   }
 301                        #!*python { set i python }
 302                        default   { error "git-$name is not supported: $s" }
 303                        }
 304
 305                        upvar #0 _$i interp
 306                        if {![info exists interp]} {
 307                                set interp [_which $i]
 308                        }
 309                        if {$interp eq {}} {
 310                                error "git-$name requires $i (not in PATH)"
 311                        }
 312                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 313                } else {
 314                        # Assume it is builtin to git somehow and we
 315                        # aren't actually able to see a file for it.
 316                        #
 317                        set v [list $::_git $name]
 318                }
 319                set _git_cmd_path($name) $v
 320        }
 321        return $v
 322}
 323
 324proc _which {what args} {
 325        global env _search_exe _search_path
 326
 327        if {$_search_path eq {}} {
 328                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 329                        set _search_path [split [exec cygpath \
 330                                --windows \
 331                                --path \
 332                                --absolute \
 333                                $env(PATH)] {;}]
 334                        set _search_exe .exe
 335                } elseif {[is_Windows]} {
 336                        set gitguidir [file dirname [info script]]
 337                        regsub -all ";" $gitguidir "\\;" gitguidir
 338                        set env(PATH) "$gitguidir;$env(PATH)"
 339                        set _search_path [split $env(PATH) {;}]
 340                        set _search_exe .exe
 341                } else {
 342                        set _search_path [split $env(PATH) :]
 343                        set _search_exe {}
 344                }
 345        }
 346
 347        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 348                set suffix {}
 349        } else {
 350                set suffix $_search_exe
 351        }
 352
 353        foreach p $_search_path {
 354                set p [file join $p $what$suffix]
 355                if {[file exists $p]} {
 356                        return [file normalize $p]
 357                }
 358        }
 359        return {}
 360}
 361
 362proc _lappend_nice {cmd_var} {
 363        global _nice
 364        upvar $cmd_var cmd
 365
 366        if {![info exists _nice]} {
 367                set _nice [_which nice]
 368        }
 369        if {$_nice ne {}} {
 370                lappend cmd $_nice
 371        }
 372}
 373
 374proc git {args} {
 375        set opt [list]
 376
 377        while {1} {
 378                switch -- [lindex $args 0] {
 379                --nice {
 380                        _lappend_nice opt
 381                }
 382
 383                default {
 384                        break
 385                }
 386
 387                }
 388
 389                set args [lrange $args 1 end]
 390        }
 391
 392        set cmdp [_git_cmd [lindex $args 0]]
 393        set args [lrange $args 1 end]
 394
 395        _trace_exec [concat $opt $cmdp $args]
 396        set result [eval exec $opt $cmdp $args]
 397        if {$::_trace} {
 398                puts stderr "< $result"
 399        }
 400        return $result
 401}
 402
 403proc _open_stdout_stderr {cmd} {
 404        _trace_exec $cmd
 405        if {[catch {
 406                        set fd [open [concat [list | ] $cmd] r]
 407                } err]} {
 408                if {   [lindex $cmd end] eq {2>@1}
 409                    && $err eq {can not find channel named "1"}
 410                        } {
 411                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 412                        # redirect operator.  Fallback to |& cat for those.
 413                        # The command was not actually started, so its safe
 414                        # to try to start it a second time.
 415                        #
 416                        set fd [open [concat \
 417                                [list | ] \
 418                                [lrange $cmd 0 end-1] \
 419                                [list |& cat] \
 420                                ] r]
 421                } else {
 422                        error $err
 423                }
 424        }
 425        fconfigure $fd -eofchar {}
 426        return $fd
 427}
 428
 429proc git_read {args} {
 430        set opt [list]
 431
 432        while {1} {
 433                switch -- [lindex $args 0] {
 434                --nice {
 435                        _lappend_nice opt
 436                }
 437
 438                --stderr {
 439                        lappend args 2>@1
 440                }
 441
 442                default {
 443                        break
 444                }
 445
 446                }
 447
 448                set args [lrange $args 1 end]
 449        }
 450
 451        set cmdp [_git_cmd [lindex $args 0]]
 452        set args [lrange $args 1 end]
 453
 454        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 455}
 456
 457proc git_write {args} {
 458        set opt [list]
 459
 460        while {1} {
 461                switch -- [lindex $args 0] {
 462                --nice {
 463                        _lappend_nice opt
 464                }
 465
 466                default {
 467                        break
 468                }
 469
 470                }
 471
 472                set args [lrange $args 1 end]
 473        }
 474
 475        set cmdp [_git_cmd [lindex $args 0]]
 476        set args [lrange $args 1 end]
 477
 478        _trace_exec [concat $opt $cmdp $args]
 479        return [open [concat [list | ] $opt $cmdp $args] w]
 480}
 481
 482proc githook_read {hook_name args} {
 483        set pchook [gitdir hooks $hook_name]
 484        lappend args 2>@1
 485
 486        # On Windows [file executable] might lie so we need to ask
 487        # the shell if the hook is executable.  Yes that's annoying.
 488        #
 489        if {[is_Windows]} {
 490                upvar #0 _sh interp
 491                if {![info exists interp]} {
 492                        set interp [_which sh]
 493                }
 494                if {$interp eq {}} {
 495                        error "hook execution requires sh (not in PATH)"
 496                }
 497
 498                set scr {if test -x "$1";then exec "$@";fi}
 499                set sh_c [list $interp -c $scr $interp $pchook]
 500                return [_open_stdout_stderr [concat $sh_c $args]]
 501        }
 502
 503        if {[file executable $pchook]} {
 504                return [_open_stdout_stderr [concat [list $pchook] $args]]
 505        }
 506
 507        return {}
 508}
 509
 510proc kill_file_process {fd} {
 511        set process [pid $fd]
 512
 513        catch {
 514                if {[is_Windows]} {
 515                        # Use a Cygwin-specific flag to allow killing
 516                        # native Windows processes
 517                        exec kill -f $process
 518                } else {
 519                        exec kill $process
 520                }
 521        }
 522}
 523
 524proc gitattr {path attr default} {
 525        if {[catch {set r [git check-attr $attr -- $path]}]} {
 526                set r unspecified
 527        } else {
 528                set r [join [lrange [split $r :] 2 end] :]
 529                regsub {^ } $r {} r
 530        }
 531        if {$r eq {unspecified}} {
 532                return $default
 533        }
 534        return $r
 535}
 536
 537proc sq {value} {
 538        regsub -all ' $value "'\\''" value
 539        return "'$value'"
 540}
 541
 542proc load_current_branch {} {
 543        global current_branch is_detached
 544
 545        set fd [open [gitdir HEAD] r]
 546        if {[gets $fd ref] < 1} {
 547                set ref {}
 548        }
 549        close $fd
 550
 551        set pfx {ref: refs/heads/}
 552        set len [string length $pfx]
 553        if {[string equal -length $len $pfx $ref]} {
 554                # We're on a branch.  It might not exist.  But
 555                # HEAD looks good enough to be a branch.
 556                #
 557                set current_branch [string range $ref $len end]
 558                set is_detached 0
 559        } else {
 560                # Assume this is a detached head.
 561                #
 562                set current_branch HEAD
 563                set is_detached 1
 564        }
 565}
 566
 567auto_load tk_optionMenu
 568rename tk_optionMenu real__tkOptionMenu
 569proc tk_optionMenu {w varName args} {
 570        set m [eval real__tkOptionMenu $w $varName $args]
 571        $m configure -font font_ui
 572        $w configure -font font_ui
 573        return $m
 574}
 575
 576proc rmsel_tag {text} {
 577        $text tag conf sel \
 578                -background [$text cget -background] \
 579                -foreground [$text cget -foreground] \
 580                -borderwidth 0
 581        $text tag conf in_sel -background lightgray
 582        bind $text <Motion> break
 583        return $text
 584}
 585
 586set root_exists 0
 587bind . <Visibility> {
 588        bind . <Visibility> {}
 589        set root_exists 1
 590}
 591
 592if {[is_Windows]} {
 593        wm iconbitmap . -default $oguilib/git-gui.ico
 594        set ::tk::AlwaysShowSelection 1
 595
 596        # Spoof an X11 display for SSH
 597        if {![info exists env(DISPLAY)]} {
 598                set env(DISPLAY) :9999
 599        }
 600} else {
 601        catch {
 602                image create photo gitlogo -width 16 -height 16
 603
 604                gitlogo put #33CC33 -to  7  0  9  2
 605                gitlogo put #33CC33 -to  4  2 12  4
 606                gitlogo put #33CC33 -to  7  4  9  6
 607                gitlogo put #CC3333 -to  4  6 12  8
 608                gitlogo put gray26  -to  4  9  6 10
 609                gitlogo put gray26  -to  3 10  6 12
 610                gitlogo put gray26  -to  8  9 13 11
 611                gitlogo put gray26  -to  8 11 10 12
 612                gitlogo put gray26  -to 11 11 13 14
 613                gitlogo put gray26  -to  3 12  5 14
 614                gitlogo put gray26  -to  5 13
 615                gitlogo put gray26  -to 10 13
 616                gitlogo put gray26  -to  4 14 12 15
 617                gitlogo put gray26  -to  5 15 11 16
 618                gitlogo redither
 619
 620                wm iconphoto . -default gitlogo
 621        }
 622}
 623
 624######################################################################
 625##
 626## config defaults
 627
 628set cursor_ptr arrow
 629font create font_diff -family Courier -size 10
 630font create font_ui
 631catch {
 632        label .dummy
 633        eval font configure font_ui [font actual [.dummy cget -font]]
 634        destroy .dummy
 635}
 636
 637font create font_uiitalic
 638font create font_uibold
 639font create font_diffbold
 640font create font_diffitalic
 641
 642foreach class {Button Checkbutton Entry Label
 643                Labelframe Listbox Menu Message
 644                Radiobutton Spinbox Text} {
 645        option add *$class.font font_ui
 646}
 647unset class
 648
 649if {[is_Windows] || [is_MacOSX]} {
 650        option add *Menu.tearOff 0
 651}
 652
 653if {[is_MacOSX]} {
 654        set M1B M1
 655        set M1T Cmd
 656} else {
 657        set M1B Control
 658        set M1T Ctrl
 659}
 660
 661proc bind_button3 {w cmd} {
 662        bind $w <Any-Button-3> $cmd
 663        if {[is_MacOSX]} {
 664                # Mac OS X sends Button-2 on right click through three-button mouse,
 665                # or through trackpad right-clicking (two-finger touch + click).
 666                bind $w <Any-Button-2> $cmd
 667                bind $w <Control-Button-1> $cmd
 668        }
 669}
 670
 671proc apply_config {} {
 672        global repo_config font_descs
 673
 674        foreach option $font_descs {
 675                set name [lindex $option 0]
 676                set font [lindex $option 1]
 677                if {[catch {
 678                        set need_weight 1
 679                        foreach {cn cv} $repo_config(gui.$name) {
 680                                if {$cn eq {-weight}} {
 681                                        set need_weight 0
 682                                }
 683                                font configure $font $cn $cv
 684                        }
 685                        if {$need_weight} {
 686                                font configure $font -weight normal
 687                        }
 688                        } err]} {
 689                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 690                }
 691                foreach {cn cv} [font configure $font] {
 692                        font configure ${font}bold $cn $cv
 693                        font configure ${font}italic $cn $cv
 694                }
 695                font configure ${font}bold -weight bold
 696                font configure ${font}italic -slant italic
 697        }
 698}
 699
 700set default_config(branch.autosetupmerge) true
 701set default_config(merge.tool) {}
 702set default_config(merge.keepbackup) true
 703set default_config(merge.diffstat) true
 704set default_config(merge.summary) false
 705set default_config(merge.verbosity) 2
 706set default_config(user.name) {}
 707set default_config(user.email) {}
 708
 709set default_config(gui.encoding) [encoding system]
 710set default_config(gui.matchtrackingbranch) false
 711set default_config(gui.pruneduringfetch) false
 712set default_config(gui.trustmtime) false
 713set default_config(gui.fastcopyblame) false
 714set default_config(gui.copyblamethreshold) 40
 715set default_config(gui.blamehistoryctx) 7
 716set default_config(gui.diffcontext) 5
 717set default_config(gui.commitmsgwidth) 75
 718set default_config(gui.newbranchtemplate) {}
 719set default_config(gui.spellingdictionary) {}
 720set default_config(gui.fontui) [font configure font_ui]
 721set default_config(gui.fontdiff) [font configure font_diff]
 722set font_descs {
 723        {fontui   font_ui   {mc "Main Font"}}
 724        {fontdiff font_diff {mc "Diff/Console Font"}}
 725}
 726
 727######################################################################
 728##
 729## find git
 730
 731set _git  [_which git]
 732if {$_git eq {}} {
 733        catch {wm withdraw .}
 734        tk_messageBox \
 735                -icon error \
 736                -type ok \
 737                -title [mc "git-gui: fatal error"] \
 738                -message [mc "Cannot find git in PATH."]
 739        exit 1
 740}
 741
 742######################################################################
 743##
 744## version check
 745
 746if {[catch {set _git_version [git --version]} err]} {
 747        catch {wm withdraw .}
 748        tk_messageBox \
 749                -icon error \
 750                -type ok \
 751                -title [mc "git-gui: fatal error"] \
 752                -message "Cannot determine Git version:
 753
 754$err
 755
 756[appname] requires Git 1.5.0 or later."
 757        exit 1
 758}
 759if {![regsub {^git version } $_git_version {} _git_version]} {
 760        catch {wm withdraw .}
 761        tk_messageBox \
 762                -icon error \
 763                -type ok \
 764                -title [mc "git-gui: fatal error"] \
 765                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 766        exit 1
 767}
 768
 769set _real_git_version $_git_version
 770regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 771regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 772regsub {\.rc[0-9]+$} $_git_version {} _git_version
 773regsub {\.GIT$} $_git_version {} _git_version
 774regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version
 775
 776if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 777        catch {wm withdraw .}
 778        if {[tk_messageBox \
 779                -icon warning \
 780                -type yesno \
 781                -default no \
 782                -title "[appname]: warning" \
 783                 -message [mc "Git version cannot be determined.
 784
 785%s claims it is version '%s'.
 786
 787%s requires at least Git 1.5.0 or later.
 788
 789Assume '%s' is version 1.5.0?
 790" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 791                set _git_version 1.5.0
 792        } else {
 793                exit 1
 794        }
 795}
 796unset _real_git_version
 797
 798proc git-version {args} {
 799        global _git_version
 800
 801        switch [llength $args] {
 802        0 {
 803                return $_git_version
 804        }
 805
 806        2 {
 807                set op [lindex $args 0]
 808                set vr [lindex $args 1]
 809                set cm [package vcompare $_git_version $vr]
 810                return [expr $cm $op 0]
 811        }
 812
 813        4 {
 814                set type [lindex $args 0]
 815                set name [lindex $args 1]
 816                set parm [lindex $args 2]
 817                set body [lindex $args 3]
 818
 819                if {($type ne {proc} && $type ne {method})} {
 820                        error "Invalid arguments to git-version"
 821                }
 822                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 823                        error "Last arm of $type $name must be default"
 824                }
 825
 826                foreach {op vr cb} [lrange $body 0 end-2] {
 827                        if {[git-version $op $vr]} {
 828                                return [uplevel [list $type $name $parm $cb]]
 829                        }
 830                }
 831
 832                return [uplevel [list $type $name $parm [lindex $body end]]]
 833        }
 834
 835        default {
 836                error "git-version >= x"
 837        }
 838
 839        }
 840}
 841
 842if {[git-version < 1.5]} {
 843        catch {wm withdraw .}
 844        tk_messageBox \
 845                -icon error \
 846                -type ok \
 847                -title [mc "git-gui: fatal error"] \
 848                -message "[appname] requires Git 1.5.0 or later.
 849
 850You are using [git-version]:
 851
 852[git --version]"
 853        exit 1
 854}
 855
 856######################################################################
 857##
 858## configure our library
 859
 860set idx [file join $oguilib tclIndex]
 861if {[catch {set fd [open $idx r]} err]} {
 862        catch {wm withdraw .}
 863        tk_messageBox \
 864                -icon error \
 865                -type ok \
 866                -title [mc "git-gui: fatal error"] \
 867                -message $err
 868        exit 1
 869}
 870if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 871        set idx [list]
 872        while {[gets $fd n] >= 0} {
 873                if {$n ne {} && ![string match #* $n]} {
 874                        lappend idx $n
 875                }
 876        }
 877} else {
 878        set idx {}
 879}
 880close $fd
 881
 882if {$idx ne {}} {
 883        set loaded [list]
 884        foreach p $idx {
 885                if {[lsearch -exact $loaded $p] >= 0} continue
 886                source [file join $oguilib $p]
 887                lappend loaded $p
 888        }
 889        unset loaded p
 890} else {
 891        set auto_path [concat [list $oguilib] $auto_path]
 892}
 893unset -nocomplain idx fd
 894
 895######################################################################
 896##
 897## config file parsing
 898
 899git-version proc _parse_config {arr_name args} {
 900        >= 1.5.3 {
 901                upvar $arr_name arr
 902                array unset arr
 903                set buf {}
 904                catch {
 905                        set fd_rc [eval \
 906                                [list git_read config] \
 907                                $args \
 908                                [list --null --list]]
 909                        fconfigure $fd_rc -translation binary
 910                        set buf [read $fd_rc]
 911                        close $fd_rc
 912                }
 913                foreach line [split $buf "\0"] {
 914                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 915                                if {[is_many_config $name]} {
 916                                        lappend arr($name) $value
 917                                } else {
 918                                        set arr($name) $value
 919                                }
 920                        }
 921                }
 922        }
 923        default {
 924                upvar $arr_name arr
 925                array unset arr
 926                catch {
 927                        set fd_rc [eval [list git_read config --list] $args]
 928                        while {[gets $fd_rc line] >= 0} {
 929                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 930                                        if {[is_many_config $name]} {
 931                                                lappend arr($name) $value
 932                                        } else {
 933                                                set arr($name) $value
 934                                        }
 935                                }
 936                        }
 937                        close $fd_rc
 938                }
 939        }
 940}
 941
 942proc load_config {include_global} {
 943        global repo_config global_config system_config default_config
 944
 945        if {$include_global} {
 946                _parse_config system_config --system
 947                _parse_config global_config --global
 948        }
 949        _parse_config repo_config
 950
 951        foreach name [array names default_config] {
 952                if {[catch {set v $system_config($name)}]} {
 953                        set system_config($name) $default_config($name)
 954                }
 955        }
 956        foreach name [array names system_config] {
 957                if {[catch {set v $global_config($name)}]} {
 958                        set global_config($name) $system_config($name)
 959                }
 960                if {[catch {set v $repo_config($name)}]} {
 961                        set repo_config($name) $system_config($name)
 962                }
 963        }
 964}
 965
 966######################################################################
 967##
 968## feature option selection
 969
 970if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 971        unset _junk
 972} else {
 973        set subcommand gui
 974}
 975if {$subcommand eq {gui.sh}} {
 976        set subcommand gui
 977}
 978if {$subcommand eq {gui} && [llength $argv] > 0} {
 979        set subcommand [lindex $argv 0]
 980        set argv [lrange $argv 1 end]
 981}
 982
 983enable_option multicommit
 984enable_option branch
 985enable_option transport
 986disable_option bare
 987
 988switch -- $subcommand {
 989browser -
 990blame {
 991        enable_option bare
 992
 993        disable_option multicommit
 994        disable_option branch
 995        disable_option transport
 996}
 997citool {
 998        enable_option singlecommit
 999        enable_option retcode
1000
1001        disable_option multicommit
1002        disable_option branch
1003        disable_option transport
1004
1005        while {[llength $argv] > 0} {
1006                set a [lindex $argv 0]
1007                switch -- $a {
1008                --amend {
1009                        enable_option initialamend
1010                }
1011                --nocommit {
1012                        enable_option nocommit
1013                        enable_option nocommitmsg
1014                }
1015                --commitmsg {
1016                        disable_option nocommitmsg
1017                }
1018                default {
1019                        break
1020                }
1021                }
1022
1023                set argv [lrange $argv 1 end]
1024        }
1025}
1026}
1027
1028######################################################################
1029##
1030## execution environment
1031
1032set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1033
1034# Suggest our implementation of askpass, if none is set
1035if {![info exists env(SSH_ASKPASS)]} {
1036        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1037}
1038
1039######################################################################
1040##
1041## repository setup
1042
1043set picked 0
1044if {[catch {
1045                set _gitdir $env(GIT_DIR)
1046                set _prefix {}
1047                }]
1048        && [catch {
1049                set _gitdir [git rev-parse --git-dir]
1050                set _prefix [git rev-parse --show-prefix]
1051        } err]} {
1052        load_config 1
1053        apply_config
1054        choose_repository::pick
1055        set picked 1
1056}
1057if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1058        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1059}
1060if {![file isdirectory $_gitdir]} {
1061        catch {wm withdraw .}
1062        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1063        exit 1
1064}
1065if {$_prefix ne {}} {
1066        regsub -all {[^/]+/} $_prefix ../ cdup
1067        if {[catch {cd $cdup} err]} {
1068                catch {wm withdraw .}
1069                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1070                exit 1
1071        }
1072        unset cdup
1073} elseif {![is_enabled bare]} {
1074        if {[lindex [file split $_gitdir] end] ne {.git}} {
1075                catch {wm withdraw .}
1076                error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1077                exit 1
1078        }
1079        if {[catch {cd [file dirname $_gitdir]} err]} {
1080                catch {wm withdraw .}
1081                error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1082                exit 1
1083        }
1084}
1085set _reponame [file split [file normalize $_gitdir]]
1086if {[lindex $_reponame end] eq {.git}} {
1087        set _reponame [lindex $_reponame end-1]
1088} else {
1089        set _reponame [lindex $_reponame end]
1090}
1091
1092######################################################################
1093##
1094## global init
1095
1096set current_diff_path {}
1097set current_diff_side {}
1098set diff_actions [list]
1099
1100set HEAD {}
1101set PARENT {}
1102set MERGE_HEAD [list]
1103set commit_type {}
1104set empty_tree {}
1105set current_branch {}
1106set is_detached 0
1107set current_diff_path {}
1108set is_3way_diff 0
1109set is_conflict_diff 0
1110set selected_commit_type new
1111
1112set nullid "0000000000000000000000000000000000000000"
1113set nullid2 "0000000000000000000000000000000000000001"
1114
1115######################################################################
1116##
1117## task management
1118
1119set rescan_active 0
1120set diff_active 0
1121set last_clicked {}
1122
1123set disable_on_lock [list]
1124set index_lock_type none
1125
1126proc lock_index {type} {
1127        global index_lock_type disable_on_lock
1128
1129        if {$index_lock_type eq {none}} {
1130                set index_lock_type $type
1131                foreach w $disable_on_lock {
1132                        uplevel #0 $w disabled
1133                }
1134                return 1
1135        } elseif {$index_lock_type eq "begin-$type"} {
1136                set index_lock_type $type
1137                return 1
1138        }
1139        return 0
1140}
1141
1142proc unlock_index {} {
1143        global index_lock_type disable_on_lock
1144
1145        set index_lock_type none
1146        foreach w $disable_on_lock {
1147                uplevel #0 $w normal
1148        }
1149}
1150
1151######################################################################
1152##
1153## status
1154
1155proc repository_state {ctvar hdvar mhvar} {
1156        global current_branch
1157        upvar $ctvar ct $hdvar hd $mhvar mh
1158
1159        set mh [list]
1160
1161        load_current_branch
1162        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1163                set hd {}
1164                set ct initial
1165                return
1166        }
1167
1168        set merge_head [gitdir MERGE_HEAD]
1169        if {[file exists $merge_head]} {
1170                set ct merge
1171                set fd_mh [open $merge_head r]
1172                while {[gets $fd_mh line] >= 0} {
1173                        lappend mh $line
1174                }
1175                close $fd_mh
1176                return
1177        }
1178
1179        set ct normal
1180}
1181
1182proc PARENT {} {
1183        global PARENT empty_tree
1184
1185        set p [lindex $PARENT 0]
1186        if {$p ne {}} {
1187                return $p
1188        }
1189        if {$empty_tree eq {}} {
1190                set empty_tree [git mktree << {}]
1191        }
1192        return $empty_tree
1193}
1194
1195proc force_amend {} {
1196        global selected_commit_type
1197        global HEAD PARENT MERGE_HEAD commit_type
1198
1199        repository_state newType newHEAD newMERGE_HEAD
1200        set HEAD $newHEAD
1201        set PARENT $newHEAD
1202        set MERGE_HEAD $newMERGE_HEAD
1203        set commit_type $newType
1204
1205        set selected_commit_type amend
1206        do_select_commit_type
1207}
1208
1209proc rescan {after {honor_trustmtime 1}} {
1210        global HEAD PARENT MERGE_HEAD commit_type
1211        global ui_index ui_workdir ui_comm
1212        global rescan_active file_states
1213        global repo_config
1214
1215        if {$rescan_active > 0 || ![lock_index read]} return
1216
1217        repository_state newType newHEAD newMERGE_HEAD
1218        if {[string match amend* $commit_type]
1219                && $newType eq {normal}
1220                && $newHEAD eq $HEAD} {
1221        } else {
1222                set HEAD $newHEAD
1223                set PARENT $newHEAD
1224                set MERGE_HEAD $newMERGE_HEAD
1225                set commit_type $newType
1226        }
1227
1228        array unset file_states
1229
1230        if {!$::GITGUI_BCK_exists &&
1231                (![$ui_comm edit modified]
1232                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1233                if {[string match amend* $commit_type]} {
1234                } elseif {[load_message GITGUI_MSG]} {
1235                } elseif {[run_prepare_commit_msg_hook]} {
1236                } elseif {[load_message MERGE_MSG]} {
1237                } elseif {[load_message SQUASH_MSG]} {
1238                }
1239                $ui_comm edit reset
1240                $ui_comm edit modified false
1241        }
1242
1243        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1244                rescan_stage2 {} $after
1245        } else {
1246                set rescan_active 1
1247                ui_status [mc "Refreshing file status..."]
1248                set fd_rf [git_read update-index \
1249                        -q \
1250                        --unmerged \
1251                        --ignore-missing \
1252                        --refresh \
1253                        ]
1254                fconfigure $fd_rf -blocking 0 -translation binary
1255                fileevent $fd_rf readable \
1256                        [list rescan_stage2 $fd_rf $after]
1257        }
1258}
1259
1260if {[is_Cygwin]} {
1261        set is_git_info_exclude {}
1262        proc have_info_exclude {} {
1263                global is_git_info_exclude
1264
1265                if {$is_git_info_exclude eq {}} {
1266                        if {[catch {exec test -f [gitdir info exclude]}]} {
1267                                set is_git_info_exclude 0
1268                        } else {
1269                                set is_git_info_exclude 1
1270                        }
1271                }
1272                return $is_git_info_exclude
1273        }
1274} else {
1275        proc have_info_exclude {} {
1276                return [file readable [gitdir info exclude]]
1277        }
1278}
1279
1280proc rescan_stage2 {fd after} {
1281        global rescan_active buf_rdi buf_rdf buf_rlo
1282
1283        if {$fd ne {}} {
1284                read $fd
1285                if {![eof $fd]} return
1286                close $fd
1287        }
1288
1289        set ls_others [list --exclude-per-directory=.gitignore]
1290        if {[have_info_exclude]} {
1291                lappend ls_others "--exclude-from=[gitdir info exclude]"
1292        }
1293        set user_exclude [get_config core.excludesfile]
1294        if {$user_exclude ne {} && [file readable $user_exclude]} {
1295                lappend ls_others "--exclude-from=$user_exclude"
1296        }
1297
1298        set buf_rdi {}
1299        set buf_rdf {}
1300        set buf_rlo {}
1301
1302        set rescan_active 3
1303        ui_status [mc "Scanning for modified files ..."]
1304        set fd_di [git_read diff-index --cached -z [PARENT]]
1305        set fd_df [git_read diff-files -z]
1306        set fd_lo [eval git_read ls-files --others -z $ls_others]
1307
1308        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1309        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1310        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1311        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1312        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1313        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1314}
1315
1316proc load_message {file} {
1317        global ui_comm
1318
1319        set f [gitdir $file]
1320        if {[file isfile $f]} {
1321                if {[catch {set fd [open $f r]}]} {
1322                        return 0
1323                }
1324                fconfigure $fd -eofchar {}
1325                set content [string trim [read $fd]]
1326                close $fd
1327                regsub -all -line {[ \r\t]+$} $content {} content
1328                $ui_comm delete 0.0 end
1329                $ui_comm insert end $content
1330                return 1
1331        }
1332        return 0
1333}
1334
1335proc run_prepare_commit_msg_hook {} {
1336        global pch_error
1337
1338        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1339        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1340        # empty file but existant file.
1341
1342        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1343
1344        if {[file isfile [gitdir MERGE_MSG]]} {
1345                set pcm_source "merge"
1346                set fd_mm [open [gitdir MERGE_MSG] r]
1347                puts -nonewline $fd_pcm [read $fd_mm]
1348                close $fd_mm
1349        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1350                set pcm_source "squash"
1351                set fd_sm [open [gitdir SQUASH_MSG] r]
1352                puts -nonewline $fd_pcm [read $fd_sm]
1353                close $fd_sm
1354        } else {
1355                set pcm_source ""
1356        }
1357
1358        close $fd_pcm
1359
1360        set fd_ph [githook_read prepare-commit-msg \
1361                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1362        if {$fd_ph eq {}} {
1363                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1364                return 0;
1365        }
1366
1367        ui_status [mc "Calling prepare-commit-msg hook..."]
1368        set pch_error {}
1369
1370        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1371        fileevent $fd_ph readable \
1372                [list prepare_commit_msg_hook_wait $fd_ph]
1373
1374        return 1;
1375}
1376
1377proc prepare_commit_msg_hook_wait {fd_ph} {
1378        global pch_error
1379
1380        append pch_error [read $fd_ph]
1381        fconfigure $fd_ph -blocking 1
1382        if {[eof $fd_ph]} {
1383                if {[catch {close $fd_ph}]} {
1384                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1385                        hook_failed_popup prepare-commit-msg $pch_error
1386                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1387                        exit 1
1388                } else {
1389                        load_message PREPARE_COMMIT_MSG
1390                }
1391                set pch_error {}
1392                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1393                return
1394        }
1395        fconfigure $fd_ph -blocking 0
1396        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1397}
1398
1399proc read_diff_index {fd after} {
1400        global buf_rdi
1401
1402        append buf_rdi [read $fd]
1403        set c 0
1404        set n [string length $buf_rdi]
1405        while {$c < $n} {
1406                set z1 [string first "\0" $buf_rdi $c]
1407                if {$z1 == -1} break
1408                incr z1
1409                set z2 [string first "\0" $buf_rdi $z1]
1410                if {$z2 == -1} break
1411
1412                incr c
1413                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1414                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1415                merge_state \
1416                        [encoding convertfrom $p] \
1417                        [lindex $i 4]? \
1418                        [list [lindex $i 0] [lindex $i 2]] \
1419                        [list]
1420                set c $z2
1421                incr c
1422        }
1423        if {$c < $n} {
1424                set buf_rdi [string range $buf_rdi $c end]
1425        } else {
1426                set buf_rdi {}
1427        }
1428
1429        rescan_done $fd buf_rdi $after
1430}
1431
1432proc read_diff_files {fd after} {
1433        global buf_rdf
1434
1435        append buf_rdf [read $fd]
1436        set c 0
1437        set n [string length $buf_rdf]
1438        while {$c < $n} {
1439                set z1 [string first "\0" $buf_rdf $c]
1440                if {$z1 == -1} break
1441                incr z1
1442                set z2 [string first "\0" $buf_rdf $z1]
1443                if {$z2 == -1} break
1444
1445                incr c
1446                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1447                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1448                merge_state \
1449                        [encoding convertfrom $p] \
1450                        ?[lindex $i 4] \
1451                        [list] \
1452                        [list [lindex $i 0] [lindex $i 2]]
1453                set c $z2
1454                incr c
1455        }
1456        if {$c < $n} {
1457                set buf_rdf [string range $buf_rdf $c end]
1458        } else {
1459                set buf_rdf {}
1460        }
1461
1462        rescan_done $fd buf_rdf $after
1463}
1464
1465proc read_ls_others {fd after} {
1466        global buf_rlo
1467
1468        append buf_rlo [read $fd]
1469        set pck [split $buf_rlo "\0"]
1470        set buf_rlo [lindex $pck end]
1471        foreach p [lrange $pck 0 end-1] {
1472                set p [encoding convertfrom $p]
1473                if {[string index $p end] eq {/}} {
1474                        set p [string range $p 0 end-1]
1475                }
1476                merge_state $p ?O
1477        }
1478        rescan_done $fd buf_rlo $after
1479}
1480
1481proc rescan_done {fd buf after} {
1482        global rescan_active current_diff_path
1483        global file_states repo_config
1484        upvar $buf to_clear
1485
1486        if {![eof $fd]} return
1487        set to_clear {}
1488        close $fd
1489        if {[incr rescan_active -1] > 0} return
1490
1491        prune_selection
1492        unlock_index
1493        display_all_files
1494        if {$current_diff_path ne {}} reshow_diff
1495        if {$current_diff_path eq {}} select_first_diff
1496
1497        uplevel #0 $after
1498}
1499
1500proc prune_selection {} {
1501        global file_states selected_paths
1502
1503        foreach path [array names selected_paths] {
1504                if {[catch {set still_here $file_states($path)}]} {
1505                        unset selected_paths($path)
1506                }
1507        }
1508}
1509
1510######################################################################
1511##
1512## ui helpers
1513
1514proc mapicon {w state path} {
1515        global all_icons
1516
1517        if {[catch {set r $all_icons($state$w)}]} {
1518                puts "error: no icon for $w state={$state} $path"
1519                return file_plain
1520        }
1521        return $r
1522}
1523
1524proc mapdesc {state path} {
1525        global all_descs
1526
1527        if {[catch {set r $all_descs($state)}]} {
1528                puts "error: no desc for state={$state} $path"
1529                return $state
1530        }
1531        return $r
1532}
1533
1534proc ui_status {msg} {
1535        global main_status
1536        if {[info exists main_status]} {
1537                $main_status show $msg
1538        }
1539}
1540
1541proc ui_ready {{test {}}} {
1542        global main_status
1543        if {[info exists main_status]} {
1544                $main_status show [mc "Ready."] $test
1545        }
1546}
1547
1548proc escape_path {path} {
1549        regsub -all {\\} $path "\\\\" path
1550        regsub -all "\n" $path "\\n" path
1551        return $path
1552}
1553
1554proc short_path {path} {
1555        return [escape_path [lindex [file split $path] end]]
1556}
1557
1558set next_icon_id 0
1559set null_sha1 [string repeat 0 40]
1560
1561proc merge_state {path new_state {head_info {}} {index_info {}}} {
1562        global file_states next_icon_id null_sha1
1563
1564        set s0 [string index $new_state 0]
1565        set s1 [string index $new_state 1]
1566
1567        if {[catch {set info $file_states($path)}]} {
1568                set state __
1569                set icon n[incr next_icon_id]
1570        } else {
1571                set state [lindex $info 0]
1572                set icon [lindex $info 1]
1573                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1574                if {$index_info eq {}} {set index_info [lindex $info 3]}
1575        }
1576
1577        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1578        elseif {$s0 eq {_}} {set s0 _}
1579
1580        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1581        elseif {$s1 eq {_}} {set s1 _}
1582
1583        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1584                set head_info [list 0 $null_sha1]
1585        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1586                && $head_info eq {}} {
1587                set head_info $index_info
1588        }
1589
1590        set file_states($path) [list $s0$s1 $icon \
1591                $head_info $index_info \
1592                ]
1593        return $state
1594}
1595
1596proc display_file_helper {w path icon_name old_m new_m} {
1597        global file_lists
1598
1599        if {$new_m eq {_}} {
1600                set lno [lsearch -sorted -exact $file_lists($w) $path]
1601                if {$lno >= 0} {
1602                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1603                        incr lno
1604                        $w conf -state normal
1605                        $w delete $lno.0 [expr {$lno + 1}].0
1606                        $w conf -state disabled
1607                }
1608        } elseif {$old_m eq {_} && $new_m ne {_}} {
1609                lappend file_lists($w) $path
1610                set file_lists($w) [lsort -unique $file_lists($w)]
1611                set lno [lsearch -sorted -exact $file_lists($w) $path]
1612                incr lno
1613                $w conf -state normal
1614                $w image create $lno.0 \
1615                        -align center -padx 5 -pady 1 \
1616                        -name $icon_name \
1617                        -image [mapicon $w $new_m $path]
1618                $w insert $lno.1 "[escape_path $path]\n"
1619                $w conf -state disabled
1620        } elseif {$old_m ne $new_m} {
1621                $w conf -state normal
1622                $w image conf $icon_name -image [mapicon $w $new_m $path]
1623                $w conf -state disabled
1624        }
1625}
1626
1627proc display_file {path state} {
1628        global file_states selected_paths
1629        global ui_index ui_workdir
1630
1631        set old_m [merge_state $path $state]
1632        set s $file_states($path)
1633        set new_m [lindex $s 0]
1634        set icon_name [lindex $s 1]
1635
1636        set o [string index $old_m 0]
1637        set n [string index $new_m 0]
1638        if {$o eq {U}} {
1639                set o _
1640        }
1641        if {$n eq {U}} {
1642                set n _
1643        }
1644        display_file_helper     $ui_index $path $icon_name $o $n
1645
1646        if {[string index $old_m 0] eq {U}} {
1647                set o U
1648        } else {
1649                set o [string index $old_m 1]
1650        }
1651        if {[string index $new_m 0] eq {U}} {
1652                set n U
1653        } else {
1654                set n [string index $new_m 1]
1655        }
1656        display_file_helper     $ui_workdir $path $icon_name $o $n
1657
1658        if {$new_m eq {__}} {
1659                unset file_states($path)
1660                catch {unset selected_paths($path)}
1661        }
1662}
1663
1664proc display_all_files_helper {w path icon_name m} {
1665        global file_lists
1666
1667        lappend file_lists($w) $path
1668        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1669        $w image create end \
1670                -align center -padx 5 -pady 1 \
1671                -name $icon_name \
1672                -image [mapicon $w $m $path]
1673        $w insert end "[escape_path $path]\n"
1674}
1675
1676proc display_all_files {} {
1677        global ui_index ui_workdir
1678        global file_states file_lists
1679        global last_clicked
1680
1681        $ui_index conf -state normal
1682        $ui_workdir conf -state normal
1683
1684        $ui_index delete 0.0 end
1685        $ui_workdir delete 0.0 end
1686        set last_clicked {}
1687
1688        set file_lists($ui_index) [list]
1689        set file_lists($ui_workdir) [list]
1690
1691        foreach path [lsort [array names file_states]] {
1692                set s $file_states($path)
1693                set m [lindex $s 0]
1694                set icon_name [lindex $s 1]
1695
1696                set s [string index $m 0]
1697                if {$s ne {U} && $s ne {_}} {
1698                        display_all_files_helper $ui_index $path \
1699                                $icon_name $s
1700                }
1701
1702                if {[string index $m 0] eq {U}} {
1703                        set s U
1704                } else {
1705                        set s [string index $m 1]
1706                }
1707                if {$s ne {_}} {
1708                        display_all_files_helper $ui_workdir $path \
1709                                $icon_name $s
1710                }
1711        }
1712
1713        $ui_index conf -state disabled
1714        $ui_workdir conf -state disabled
1715}
1716
1717######################################################################
1718##
1719## icons
1720
1721set filemask {
1722#define mask_width 14
1723#define mask_height 15
1724static unsigned char mask_bits[] = {
1725   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1726   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1727   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1728}
1729
1730image create bitmap file_plain -background white -foreground black -data {
1731#define plain_width 14
1732#define plain_height 15
1733static unsigned char plain_bits[] = {
1734   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1735   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1736   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1737} -maskdata $filemask
1738
1739image create bitmap file_mod -background white -foreground blue -data {
1740#define mod_width 14
1741#define mod_height 15
1742static unsigned char mod_bits[] = {
1743   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1744   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1745   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1746} -maskdata $filemask
1747
1748image create bitmap file_fulltick -background white -foreground "#007000" -data {
1749#define file_fulltick_width 14
1750#define file_fulltick_height 15
1751static unsigned char file_fulltick_bits[] = {
1752   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1753   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1754   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1755} -maskdata $filemask
1756
1757image create bitmap file_parttick -background white -foreground "#005050" -data {
1758#define parttick_width 14
1759#define parttick_height 15
1760static unsigned char parttick_bits[] = {
1761   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1762   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1763   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1764} -maskdata $filemask
1765
1766image create bitmap file_question -background white -foreground black -data {
1767#define file_question_width 14
1768#define file_question_height 15
1769static unsigned char file_question_bits[] = {
1770   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1771   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1772   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1773} -maskdata $filemask
1774
1775image create bitmap file_removed -background white -foreground red -data {
1776#define file_removed_width 14
1777#define file_removed_height 15
1778static unsigned char file_removed_bits[] = {
1779   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1780   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1781   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1782} -maskdata $filemask
1783
1784image create bitmap file_merge -background white -foreground blue -data {
1785#define file_merge_width 14
1786#define file_merge_height 15
1787static unsigned char file_merge_bits[] = {
1788   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1789   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1790   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1791} -maskdata $filemask
1792
1793image create bitmap file_statechange -background white -foreground green -data {
1794#define file_merge_width 14
1795#define file_merge_height 15
1796static unsigned char file_statechange_bits[] = {
1797   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1798   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1799   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1800} -maskdata $filemask
1801
1802set ui_index .vpane.files.index.list
1803set ui_workdir .vpane.files.workdir.list
1804
1805set all_icons(_$ui_index)   file_plain
1806set all_icons(A$ui_index)   file_fulltick
1807set all_icons(M$ui_index)   file_fulltick
1808set all_icons(D$ui_index)   file_removed
1809set all_icons(U$ui_index)   file_merge
1810set all_icons(T$ui_index)   file_statechange
1811
1812set all_icons(_$ui_workdir) file_plain
1813set all_icons(M$ui_workdir) file_mod
1814set all_icons(D$ui_workdir) file_question
1815set all_icons(U$ui_workdir) file_merge
1816set all_icons(O$ui_workdir) file_plain
1817set all_icons(T$ui_workdir) file_statechange
1818
1819set max_status_desc 0
1820foreach i {
1821                {__ {mc "Unmodified"}}
1822
1823                {_M {mc "Modified, not staged"}}
1824                {M_ {mc "Staged for commit"}}
1825                {MM {mc "Portions staged for commit"}}
1826                {MD {mc "Staged for commit, missing"}}
1827
1828                {_T {mc "File type changed, not staged"}}
1829                {T_ {mc "File type changed, staged"}}
1830
1831                {_O {mc "Untracked, not staged"}}
1832                {A_ {mc "Staged for commit"}}
1833                {AM {mc "Portions staged for commit"}}
1834                {AD {mc "Staged for commit, missing"}}
1835
1836                {_D {mc "Missing"}}
1837                {D_ {mc "Staged for removal"}}
1838                {DO {mc "Staged for removal, still present"}}
1839
1840                {_U {mc "Requires merge resolution"}}
1841                {U_ {mc "Requires merge resolution"}}
1842                {UU {mc "Requires merge resolution"}}
1843                {UM {mc "Requires merge resolution"}}
1844                {UD {mc "Requires merge resolution"}}
1845                {UT {mc "Requires merge resolution"}}
1846        } {
1847        set text [eval [lindex $i 1]]
1848        if {$max_status_desc < [string length $text]} {
1849                set max_status_desc [string length $text]
1850        }
1851        set all_descs([lindex $i 0]) $text
1852}
1853unset i
1854
1855######################################################################
1856##
1857## util
1858
1859proc scrollbar2many {list mode args} {
1860        foreach w $list {eval $w $mode $args}
1861}
1862
1863proc many2scrollbar {list mode sb top bottom} {
1864        $sb set $top $bottom
1865        foreach w $list {$w $mode moveto $top}
1866}
1867
1868proc incr_font_size {font {amt 1}} {
1869        set sz [font configure $font -size]
1870        incr sz $amt
1871        font configure $font -size $sz
1872        font configure ${font}bold -size $sz
1873        font configure ${font}italic -size $sz
1874}
1875
1876######################################################################
1877##
1878## ui commands
1879
1880set starting_gitk_msg [mc "Starting gitk... please wait..."]
1881
1882proc do_gitk {revs} {
1883        # -- Always start gitk through whatever we were loaded with.  This
1884        #    lets us bypass using shell process on Windows systems.
1885        #
1886        set exe [_which gitk -script]
1887        set cmd [list [info nameofexecutable] $exe]
1888        if {$exe eq {}} {
1889                error_popup [mc "Couldn't find gitk in PATH"]
1890        } else {
1891                global env
1892
1893                if {[info exists env(GIT_DIR)]} {
1894                        set old_GIT_DIR $env(GIT_DIR)
1895                } else {
1896                        set old_GIT_DIR {}
1897                }
1898
1899                set pwd [pwd]
1900                cd [file dirname [gitdir]]
1901                set env(GIT_DIR) [file tail [gitdir]]
1902
1903                eval exec $cmd $revs &
1904
1905                if {$old_GIT_DIR eq {}} {
1906                        unset env(GIT_DIR)
1907                } else {
1908                        set env(GIT_DIR) $old_GIT_DIR
1909                }
1910                cd $pwd
1911
1912                ui_status $::starting_gitk_msg
1913                after 10000 {
1914                        ui_ready $starting_gitk_msg
1915                }
1916        }
1917}
1918
1919proc do_explore {} {
1920        set explorer {}
1921        if {[is_Cygwin] || [is_Windows]} {
1922                set explorer "explorer.exe"
1923        } elseif {[is_MacOSX]} {
1924                set explorer "open"
1925        } else {
1926                # freedesktop.org-conforming system is our best shot
1927                set explorer "xdg-open"
1928        }
1929        eval exec $explorer [file dirname [gitdir]] &
1930}
1931
1932set is_quitting 0
1933set ret_code    1
1934
1935proc terminate_me {win} {
1936        global ret_code
1937        if {$win ne {.}} return
1938        exit $ret_code
1939}
1940
1941proc do_quit {{rc {1}}} {
1942        global ui_comm is_quitting repo_config commit_type
1943        global GITGUI_BCK_exists GITGUI_BCK_i
1944        global ui_comm_spell
1945        global ret_code
1946
1947        if {$is_quitting} return
1948        set is_quitting 1
1949
1950        if {[winfo exists $ui_comm]} {
1951                # -- Stash our current commit buffer.
1952                #
1953                set save [gitdir GITGUI_MSG]
1954                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1955                        file rename -force [gitdir GITGUI_BCK] $save
1956                        set GITGUI_BCK_exists 0
1957                } else {
1958                        set msg [string trim [$ui_comm get 0.0 end]]
1959                        regsub -all -line {[ \r\t]+$} $msg {} msg
1960                        if {(![string match amend* $commit_type]
1961                                || [$ui_comm edit modified])
1962                                && $msg ne {}} {
1963                                catch {
1964                                        set fd [open $save w]
1965                                        puts -nonewline $fd $msg
1966                                        close $fd
1967                                }
1968                        } else {
1969                                catch {file delete $save}
1970                        }
1971                }
1972
1973                # -- Cancel our spellchecker if its running.
1974                #
1975                if {[info exists ui_comm_spell]} {
1976                        $ui_comm_spell stop
1977                }
1978
1979                # -- Remove our editor backup, its not needed.
1980                #
1981                after cancel $GITGUI_BCK_i
1982                if {$GITGUI_BCK_exists} {
1983                        catch {file delete [gitdir GITGUI_BCK]}
1984                }
1985
1986                # -- Stash our current window geometry into this repository.
1987                #
1988                set cfg_geometry [list]
1989                lappend cfg_geometry [wm geometry .]
1990                lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
1991                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
1992                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1993                        set rc_geometry {}
1994                }
1995                if {$cfg_geometry ne $rc_geometry} {
1996                        catch {git config gui.geometry $cfg_geometry}
1997                }
1998        }
1999
2000        set ret_code $rc
2001        destroy .
2002}
2003
2004proc do_rescan {} {
2005        rescan ui_ready
2006}
2007
2008proc ui_do_rescan {} {
2009        rescan {force_first_diff; ui_ready}
2010}
2011
2012proc do_commit {} {
2013        commit_tree
2014}
2015
2016proc next_diff {} {
2017        global next_diff_p next_diff_w next_diff_i
2018        show_diff $next_diff_p $next_diff_w {}
2019}
2020
2021proc find_anchor_pos {lst name} {
2022        set lid [lsearch -sorted -exact $lst $name]
2023
2024        if {$lid == -1} {
2025                set lid 0
2026                foreach lname $lst {
2027                        if {$lname >= $name} break
2028                        incr lid
2029                }
2030        }
2031
2032        return $lid
2033}
2034
2035proc find_file_from {flist idx delta path mmask} {
2036        global file_states
2037
2038        set len [llength $flist]
2039        while {$idx >= 0 && $idx < $len} {
2040                set name [lindex $flist $idx]
2041
2042                if {$name ne $path && [info exists file_states($name)]} {
2043                        set state [lindex $file_states($name) 0]
2044
2045                        if {$mmask eq {} || [regexp $mmask $state]} {
2046                                return $idx
2047                        }
2048                }
2049
2050                incr idx $delta
2051        }
2052
2053        return {}
2054}
2055
2056proc find_next_diff {w path {lno {}} {mmask {}}} {
2057        global next_diff_p next_diff_w next_diff_i
2058        global file_lists ui_index ui_workdir
2059
2060        set flist $file_lists($w)
2061        if {$lno eq {}} {
2062                set lno [find_anchor_pos $flist $path]
2063        } else {
2064                incr lno -1
2065        }
2066
2067        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2068                if {$w eq $ui_index} {
2069                        set mmask "^$mmask"
2070                } else {
2071                        set mmask "$mmask\$"
2072                }
2073        }
2074
2075        set idx [find_file_from $flist $lno 1 $path $mmask]
2076        if {$idx eq {}} {
2077                incr lno -1
2078                set idx [find_file_from $flist $lno -1 $path $mmask]
2079        }
2080
2081        if {$idx ne {}} {
2082                set next_diff_w $w
2083                set next_diff_p [lindex $flist $idx]
2084                set next_diff_i [expr {$idx+1}]
2085                return 1
2086        } else {
2087                return 0
2088        }
2089}
2090
2091proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2092        global current_diff_path
2093
2094        if {$path ne $current_diff_path} {
2095                return {}
2096        } elseif {[find_next_diff $w $path $lno $mmask]} {
2097                return {next_diff;}
2098        } else {
2099                return {reshow_diff;}
2100        }
2101}
2102
2103proc select_first_diff {} {
2104        global ui_workdir
2105
2106        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2107            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2108                next_diff
2109        }
2110}
2111
2112proc force_first_diff {} {
2113        global current_diff_path
2114
2115        if {[info exists file_states($current_diff_path)]} {
2116                set state [lindex $file_states($current_diff_path) 0]
2117
2118                if {[string index $state 1] ne {O}} return
2119        }
2120
2121        select_first_diff
2122}
2123
2124proc toggle_or_diff {w x y} {
2125        global file_states file_lists current_diff_path ui_index ui_workdir
2126        global last_clicked selected_paths
2127
2128        set pos [split [$w index @$x,$y] .]
2129        set lno [lindex $pos 0]
2130        set col [lindex $pos 1]
2131        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2132        if {$path eq {}} {
2133                set last_clicked {}
2134                return
2135        }
2136
2137        set last_clicked [list $w $lno]
2138        array unset selected_paths
2139        $ui_index tag remove in_sel 0.0 end
2140        $ui_workdir tag remove in_sel 0.0 end
2141
2142        # Determine the state of the file
2143        if {[info exists file_states($path)]} {
2144                set state [lindex $file_states($path) 0]
2145        } else {
2146                set state {__}
2147        }
2148
2149        # Restage the file, or simply show the diff
2150        if {$col == 0 && $y > 1} {
2151                # Conflicts need special handling
2152                if {[string first {U} $state] >= 0} {
2153                        # $w must always be $ui_workdir, but...
2154                        if {$w ne $ui_workdir} { set lno {} }
2155                        merge_stage_workdir $path $lno
2156                        return
2157                }
2158
2159                if {[string index $state 1] eq {O}} {
2160                        set mmask {}
2161                } else {
2162                        set mmask {[^O]}
2163                }
2164
2165                set after [next_diff_after_action $w $path $lno $mmask]
2166
2167                if {$w eq $ui_index} {
2168                        update_indexinfo \
2169                                "Unstaging [short_path $path] from commit" \
2170                                [list $path] \
2171                                [concat $after [list ui_ready]]
2172                } elseif {$w eq $ui_workdir} {
2173                        update_index \
2174                                "Adding [short_path $path]" \
2175                                [list $path] \
2176                                [concat $after [list ui_ready]]
2177                }
2178        } else {
2179                show_diff $path $w $lno
2180        }
2181}
2182
2183proc add_one_to_selection {w x y} {
2184        global file_lists last_clicked selected_paths
2185
2186        set lno [lindex [split [$w index @$x,$y] .] 0]
2187        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2188        if {$path eq {}} {
2189                set last_clicked {}
2190                return
2191        }
2192
2193        if {$last_clicked ne {}
2194                && [lindex $last_clicked 0] ne $w} {
2195                array unset selected_paths
2196                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2197        }
2198
2199        set last_clicked [list $w $lno]
2200        if {[catch {set in_sel $selected_paths($path)}]} {
2201                set in_sel 0
2202        }
2203        if {$in_sel} {
2204                unset selected_paths($path)
2205                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2206        } else {
2207                set selected_paths($path) 1
2208                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2209        }
2210}
2211
2212proc add_range_to_selection {w x y} {
2213        global file_lists last_clicked selected_paths
2214
2215        if {[lindex $last_clicked 0] ne $w} {
2216                toggle_or_diff $w $x $y
2217                return
2218        }
2219
2220        set lno [lindex [split [$w index @$x,$y] .] 0]
2221        set lc [lindex $last_clicked 1]
2222        if {$lc < $lno} {
2223                set begin $lc
2224                set end $lno
2225        } else {
2226                set begin $lno
2227                set end $lc
2228        }
2229
2230        foreach path [lrange $file_lists($w) \
2231                [expr {$begin - 1}] \
2232                [expr {$end - 1}]] {
2233                set selected_paths($path) 1
2234        }
2235        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2236}
2237
2238proc show_more_context {} {
2239        global repo_config
2240        if {$repo_config(gui.diffcontext) < 99} {
2241                incr repo_config(gui.diffcontext)
2242                reshow_diff
2243        }
2244}
2245
2246proc show_less_context {} {
2247        global repo_config
2248        if {$repo_config(gui.diffcontext) > 1} {
2249                incr repo_config(gui.diffcontext) -1
2250                reshow_diff
2251        }
2252}
2253
2254######################################################################
2255##
2256## ui construction
2257
2258load_config 0
2259apply_config
2260set ui_comm {}
2261
2262# -- Menu Bar
2263#
2264menu .mbar -tearoff 0
2265.mbar add cascade -label [mc Repository] -menu .mbar.repository
2266.mbar add cascade -label [mc Edit] -menu .mbar.edit
2267if {[is_enabled branch]} {
2268        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2269}
2270if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2271        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2272}
2273if {[is_enabled transport]} {
2274        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2275        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2276}
2277. configure -menu .mbar
2278
2279# -- Repository Menu
2280#
2281menu .mbar.repository
2282
2283.mbar.repository add command \
2284        -label [mc "Explore Working Copy"] \
2285        -command {do_explore}
2286.mbar.repository add separator
2287
2288.mbar.repository add command \
2289        -label [mc "Browse Current Branch's Files"] \
2290        -command {browser::new $current_branch}
2291set ui_browse_current [.mbar.repository index last]
2292.mbar.repository add command \
2293        -label [mc "Browse Branch Files..."] \
2294        -command browser_open::dialog
2295.mbar.repository add separator
2296
2297.mbar.repository add command \
2298        -label [mc "Visualize Current Branch's History"] \
2299        -command {do_gitk $current_branch}
2300set ui_visualize_current [.mbar.repository index last]
2301.mbar.repository add command \
2302        -label [mc "Visualize All Branch History"] \
2303        -command {do_gitk --all}
2304.mbar.repository add separator
2305
2306proc current_branch_write {args} {
2307        global current_branch
2308        .mbar.repository entryconf $::ui_browse_current \
2309                -label [mc "Browse %s's Files" $current_branch]
2310        .mbar.repository entryconf $::ui_visualize_current \
2311                -label [mc "Visualize %s's History" $current_branch]
2312}
2313trace add variable current_branch write current_branch_write
2314
2315if {[is_enabled multicommit]} {
2316        .mbar.repository add command -label [mc "Database Statistics"] \
2317                -command do_stats
2318
2319        .mbar.repository add command -label [mc "Compress Database"] \
2320                -command do_gc
2321
2322        .mbar.repository add command -label [mc "Verify Database"] \
2323                -command do_fsck_objects
2324
2325        .mbar.repository add separator
2326
2327        if {[is_Cygwin]} {
2328                .mbar.repository add command \
2329                        -label [mc "Create Desktop Icon"] \
2330                        -command do_cygwin_shortcut
2331        } elseif {[is_Windows]} {
2332                .mbar.repository add command \
2333                        -label [mc "Create Desktop Icon"] \
2334                        -command do_windows_shortcut
2335        } elseif {[is_MacOSX]} {
2336                .mbar.repository add command \
2337                        -label [mc "Create Desktop Icon"] \
2338                        -command do_macosx_app
2339        }
2340}
2341
2342if {[is_MacOSX]} {
2343        proc ::tk::mac::Quit {args} { do_quit }
2344} else {
2345        .mbar.repository add command -label [mc Quit] \
2346                -command do_quit \
2347                -accelerator $M1T-Q
2348}
2349
2350# -- Edit Menu
2351#
2352menu .mbar.edit
2353.mbar.edit add command -label [mc Undo] \
2354        -command {catch {[focus] edit undo}} \
2355        -accelerator $M1T-Z
2356.mbar.edit add command -label [mc Redo] \
2357        -command {catch {[focus] edit redo}} \
2358        -accelerator $M1T-Y
2359.mbar.edit add separator
2360.mbar.edit add command -label [mc Cut] \
2361        -command {catch {tk_textCut [focus]}} \
2362        -accelerator $M1T-X
2363.mbar.edit add command -label [mc Copy] \
2364        -command {catch {tk_textCopy [focus]}} \
2365        -accelerator $M1T-C
2366.mbar.edit add command -label [mc Paste] \
2367        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2368        -accelerator $M1T-V
2369.mbar.edit add command -label [mc Delete] \
2370        -command {catch {[focus] delete sel.first sel.last}} \
2371        -accelerator Del
2372.mbar.edit add separator
2373.mbar.edit add command -label [mc "Select All"] \
2374        -command {catch {[focus] tag add sel 0.0 end}} \
2375        -accelerator $M1T-A
2376
2377# -- Branch Menu
2378#
2379if {[is_enabled branch]} {
2380        menu .mbar.branch
2381
2382        .mbar.branch add command -label [mc "Create..."] \
2383                -command branch_create::dialog \
2384                -accelerator $M1T-N
2385        lappend disable_on_lock [list .mbar.branch entryconf \
2386                [.mbar.branch index last] -state]
2387
2388        .mbar.branch add command -label [mc "Checkout..."] \
2389                -command branch_checkout::dialog \
2390                -accelerator $M1T-O
2391        lappend disable_on_lock [list .mbar.branch entryconf \
2392                [.mbar.branch index last] -state]
2393
2394        .mbar.branch add command -label [mc "Rename..."] \
2395                -command branch_rename::dialog
2396        lappend disable_on_lock [list .mbar.branch entryconf \
2397                [.mbar.branch index last] -state]
2398
2399        .mbar.branch add command -label [mc "Delete..."] \
2400                -command branch_delete::dialog
2401        lappend disable_on_lock [list .mbar.branch entryconf \
2402                [.mbar.branch index last] -state]
2403
2404        .mbar.branch add command -label [mc "Reset..."] \
2405                -command merge::reset_hard
2406        lappend disable_on_lock [list .mbar.branch entryconf \
2407                [.mbar.branch index last] -state]
2408}
2409
2410# -- Commit Menu
2411#
2412proc commit_btn_caption {} {
2413        if {[is_enabled nocommit]} {
2414                return [mc "Done"]
2415        } else {
2416                return [mc Commit@@verb]
2417        }
2418}
2419
2420if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2421        menu .mbar.commit
2422
2423        if {![is_enabled nocommit]} {
2424                .mbar.commit add radiobutton \
2425                        -label [mc "New Commit"] \
2426                        -command do_select_commit_type \
2427                        -variable selected_commit_type \
2428                        -value new
2429                lappend disable_on_lock \
2430                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2431
2432                .mbar.commit add radiobutton \
2433                        -label [mc "Amend Last Commit"] \
2434                        -command do_select_commit_type \
2435                        -variable selected_commit_type \
2436                        -value amend
2437                lappend disable_on_lock \
2438                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2439
2440                .mbar.commit add separator
2441        }
2442
2443        .mbar.commit add command -label [mc Rescan] \
2444                -command ui_do_rescan \
2445                -accelerator F5
2446        lappend disable_on_lock \
2447                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2448
2449        .mbar.commit add command -label [mc "Stage To Commit"] \
2450                -command do_add_selection \
2451                -accelerator $M1T-T
2452        lappend disable_on_lock \
2453                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2454
2455        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2456                -command do_add_all \
2457                -accelerator $M1T-I
2458        lappend disable_on_lock \
2459                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2460
2461        .mbar.commit add command -label [mc "Unstage From Commit"] \
2462                -command do_unstage_selection
2463        lappend disable_on_lock \
2464                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2465
2466        .mbar.commit add command -label [mc "Revert Changes"] \
2467                -command do_revert_selection
2468        lappend disable_on_lock \
2469                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2470
2471        .mbar.commit add separator
2472
2473        .mbar.commit add command -label [mc "Show Less Context"] \
2474                -command show_less_context \
2475                -accelerator $M1T-\-
2476
2477        .mbar.commit add command -label [mc "Show More Context"] \
2478                -command show_more_context \
2479                -accelerator $M1T-=
2480
2481        .mbar.commit add separator
2482
2483        if {![is_enabled nocommitmsg]} {
2484                .mbar.commit add command -label [mc "Sign Off"] \
2485                        -command do_signoff \
2486                        -accelerator $M1T-S
2487        }
2488
2489        .mbar.commit add command -label [commit_btn_caption] \
2490                -command do_commit \
2491                -accelerator $M1T-Return
2492        lappend disable_on_lock \
2493                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2494}
2495
2496# -- Merge Menu
2497#
2498if {[is_enabled branch]} {
2499        menu .mbar.merge
2500        .mbar.merge add command -label [mc "Local Merge..."] \
2501                -command merge::dialog \
2502                -accelerator $M1T-M
2503        lappend disable_on_lock \
2504                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2505        .mbar.merge add command -label [mc "Abort Merge..."] \
2506                -command merge::reset_hard
2507        lappend disable_on_lock \
2508                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2509}
2510
2511# -- Transport Menu
2512#
2513if {[is_enabled transport]} {
2514        menu .mbar.remote
2515
2516        .mbar.remote add command \
2517                -label [mc "Add..."] \
2518                -command remote_add::dialog \
2519                -accelerator $M1T-A
2520        .mbar.remote add command \
2521                -label [mc "Push..."] \
2522                -command do_push_anywhere \
2523                -accelerator $M1T-P
2524        .mbar.remote add command \
2525                -label [mc "Delete Branch..."] \
2526                -command remote_branch_delete::dialog
2527}
2528
2529if {[is_MacOSX]} {
2530        # -- Apple Menu (Mac OS X only)
2531        #
2532        .mbar add cascade -label Apple -menu .mbar.apple
2533        menu .mbar.apple
2534
2535        .mbar.apple add command -label [mc "About %s" [appname]] \
2536                -command do_about
2537        .mbar.apple add separator
2538        .mbar.apple add command \
2539                -label [mc "Preferences..."] \
2540                -command do_options \
2541                -accelerator $M1T-,
2542        bind . <$M1B-,> do_options
2543} else {
2544        # -- Edit Menu
2545        #
2546        .mbar.edit add separator
2547        .mbar.edit add command -label [mc "Options..."] \
2548                -command do_options
2549}
2550
2551# -- Help Menu
2552#
2553.mbar add cascade -label [mc Help] -menu .mbar.help
2554menu .mbar.help
2555
2556if {![is_MacOSX]} {
2557        .mbar.help add command -label [mc "About %s" [appname]] \
2558                -command do_about
2559}
2560
2561
2562set doc_path [file dirname [gitexec]]
2563set doc_path [file join $doc_path Documentation index.html]
2564
2565if {[is_Cygwin]} {
2566        set doc_path [exec cygpath --mixed $doc_path]
2567}
2568
2569if {[file isfile $doc_path]} {
2570        set doc_url "file:$doc_path"
2571} else {
2572        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2573}
2574
2575proc start_browser {url} {
2576        git "web--browse" $url
2577}
2578
2579.mbar.help add command -label [mc "Online Documentation"] \
2580        -command [list start_browser $doc_url]
2581
2582.mbar.help add command -label [mc "Show SSH Key"] \
2583        -command do_ssh_key
2584
2585unset doc_path doc_url
2586
2587# -- Standard bindings
2588#
2589wm protocol . WM_DELETE_WINDOW do_quit
2590bind all <$M1B-Key-q> do_quit
2591bind all <$M1B-Key-Q> do_quit
2592bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2593bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2594
2595set subcommand_args {}
2596proc usage {} {
2597        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2598        exit 1
2599}
2600
2601# -- Not a normal commit type invocation?  Do that instead!
2602#
2603switch -- $subcommand {
2604browser -
2605blame {
2606        if {$subcommand eq "blame"} {
2607                set subcommand_args {[--line=<num>] rev? path}
2608        } else {
2609                set subcommand_args {rev? path}
2610        }
2611        if {$argv eq {}} usage
2612        set head {}
2613        set path {}
2614        set jump_spec {}
2615        set is_path 0
2616        foreach a $argv {
2617                if {$is_path || [file exists $_prefix$a]} {
2618                        if {$path ne {}} usage
2619                        set path $_prefix$a
2620                        break
2621                } elseif {$a eq {--}} {
2622                        if {$path ne {}} {
2623                                if {$head ne {}} usage
2624                                set head $path
2625                                set path {}
2626                        }
2627                        set is_path 1
2628                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2629                        if {$jump_spec ne {} || $head ne {}} usage
2630                        set jump_spec [list $lnum]
2631                } elseif {$head eq {}} {
2632                        if {$head ne {}} usage
2633                        set head $a
2634                        set is_path 1
2635                } else {
2636                        usage
2637                }
2638        }
2639        unset is_path
2640
2641        if {$head ne {} && $path eq {}} {
2642                set path $_prefix$head
2643                set head {}
2644        }
2645
2646        if {$head eq {}} {
2647                load_current_branch
2648        } else {
2649                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2650                        if {[catch {
2651                                        set head [git rev-parse --verify $head]
2652                                } err]} {
2653                                puts stderr $err
2654                                exit 1
2655                        }
2656                }
2657                set current_branch $head
2658        }
2659
2660        switch -- $subcommand {
2661        browser {
2662                if {$jump_spec ne {}} usage
2663                if {$head eq {}} {
2664                        if {$path ne {} && [file isdirectory $path]} {
2665                                set head $current_branch
2666                        } else {
2667                                set head $path
2668                                set path {}
2669                        }
2670                }
2671                browser::new $head $path
2672        }
2673        blame   {
2674                if {$head eq {} && ![file exists $path]} {
2675                        puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2676                        exit 1
2677                }
2678                blame::new $head $path $jump_spec
2679        }
2680        }
2681        return
2682}
2683citool -
2684gui {
2685        if {[llength $argv] != 0} {
2686                puts -nonewline stderr "usage: $argv0"
2687                if {$subcommand ne {gui}
2688                        && [file tail $argv0] ne "git-$subcommand"} {
2689                        puts -nonewline stderr " $subcommand"
2690                }
2691                puts stderr {}
2692                exit 1
2693        }
2694        # fall through to setup UI for commits
2695}
2696default {
2697        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2698        exit 1
2699}
2700}
2701
2702# -- Branch Control
2703#
2704frame .branch \
2705        -borderwidth 1 \
2706        -relief sunken
2707label .branch.l1 \
2708        -text [mc "Current Branch:"] \
2709        -anchor w \
2710        -justify left
2711label .branch.cb \
2712        -textvariable current_branch \
2713        -anchor w \
2714        -justify left
2715pack .branch.l1 -side left
2716pack .branch.cb -side left -fill x
2717pack .branch -side top -fill x
2718
2719# -- Main Window Layout
2720#
2721panedwindow .vpane -orient horizontal
2722panedwindow .vpane.files -orient vertical
2723.vpane add .vpane.files -sticky nsew -height 100 -width 200
2724pack .vpane -anchor n -side top -fill both -expand 1
2725
2726# -- Index File List
2727#
2728frame .vpane.files.index -height 100 -width 200
2729label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2730        -background lightgreen -foreground black
2731text $ui_index -background white -foreground black \
2732        -borderwidth 0 \
2733        -width 20 -height 10 \
2734        -wrap none \
2735        -cursor $cursor_ptr \
2736        -xscrollcommand {.vpane.files.index.sx set} \
2737        -yscrollcommand {.vpane.files.index.sy set} \
2738        -state disabled
2739scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2740scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2741pack .vpane.files.index.title -side top -fill x
2742pack .vpane.files.index.sx -side bottom -fill x
2743pack .vpane.files.index.sy -side right -fill y
2744pack $ui_index -side left -fill both -expand 1
2745
2746# -- Working Directory File List
2747#
2748frame .vpane.files.workdir -height 100 -width 200
2749label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2750        -background lightsalmon -foreground black
2751text $ui_workdir -background white -foreground black \
2752        -borderwidth 0 \
2753        -width 20 -height 10 \
2754        -wrap none \
2755        -cursor $cursor_ptr \
2756        -xscrollcommand {.vpane.files.workdir.sx set} \
2757        -yscrollcommand {.vpane.files.workdir.sy set} \
2758        -state disabled
2759scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2760scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2761pack .vpane.files.workdir.title -side top -fill x
2762pack .vpane.files.workdir.sx -side bottom -fill x
2763pack .vpane.files.workdir.sy -side right -fill y
2764pack $ui_workdir -side left -fill both -expand 1
2765
2766.vpane.files add .vpane.files.workdir -sticky nsew
2767.vpane.files add .vpane.files.index -sticky nsew
2768
2769foreach i [list $ui_index $ui_workdir] {
2770        rmsel_tag $i
2771        $i tag conf in_diff -background [$i tag cget in_sel -background]
2772}
2773unset i
2774
2775# -- Diff and Commit Area
2776#
2777frame .vpane.lower -height 300 -width 400
2778frame .vpane.lower.commarea
2779frame .vpane.lower.diff -relief sunken -borderwidth 1
2780pack .vpane.lower.diff -fill both -expand 1
2781pack .vpane.lower.commarea -side bottom -fill x
2782.vpane add .vpane.lower -sticky nsew
2783
2784# -- Commit Area Buttons
2785#
2786frame .vpane.lower.commarea.buttons
2787label .vpane.lower.commarea.buttons.l -text {} \
2788        -anchor w \
2789        -justify left
2790pack .vpane.lower.commarea.buttons.l -side top -fill x
2791pack .vpane.lower.commarea.buttons -side left -fill y
2792
2793button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2794        -command ui_do_rescan
2795pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2796lappend disable_on_lock \
2797        {.vpane.lower.commarea.buttons.rescan conf -state}
2798
2799button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2800        -command do_add_all
2801pack .vpane.lower.commarea.buttons.incall -side top -fill x
2802lappend disable_on_lock \
2803        {.vpane.lower.commarea.buttons.incall conf -state}
2804
2805if {![is_enabled nocommitmsg]} {
2806        button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2807                -command do_signoff
2808        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2809}
2810
2811button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2812        -command do_commit
2813pack .vpane.lower.commarea.buttons.commit -side top -fill x
2814lappend disable_on_lock \
2815        {.vpane.lower.commarea.buttons.commit conf -state}
2816
2817if {![is_enabled nocommit]} {
2818        button .vpane.lower.commarea.buttons.push -text [mc Push] \
2819                -command do_push_anywhere
2820        pack .vpane.lower.commarea.buttons.push -side top -fill x
2821}
2822
2823# -- Commit Message Buffer
2824#
2825frame .vpane.lower.commarea.buffer
2826frame .vpane.lower.commarea.buffer.header
2827set ui_comm .vpane.lower.commarea.buffer.t
2828set ui_coml .vpane.lower.commarea.buffer.header.l
2829
2830if {![is_enabled nocommit]} {
2831        radiobutton .vpane.lower.commarea.buffer.header.new \
2832                -text [mc "New Commit"] \
2833                -command do_select_commit_type \
2834                -variable selected_commit_type \
2835                -value new
2836        lappend disable_on_lock \
2837                [list .vpane.lower.commarea.buffer.header.new conf -state]
2838        radiobutton .vpane.lower.commarea.buffer.header.amend \
2839                -text [mc "Amend Last Commit"] \
2840                -command do_select_commit_type \
2841                -variable selected_commit_type \
2842                -value amend
2843        lappend disable_on_lock \
2844                [list .vpane.lower.commarea.buffer.header.amend conf -state]
2845}
2846
2847label $ui_coml \
2848        -anchor w \
2849        -justify left
2850proc trace_commit_type {varname args} {
2851        global ui_coml commit_type
2852        switch -glob -- $commit_type {
2853        initial       {set txt [mc "Initial Commit Message:"]}
2854        amend         {set txt [mc "Amended Commit Message:"]}
2855        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2856        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2857        merge         {set txt [mc "Merge Commit Message:"]}
2858        *             {set txt [mc "Commit Message:"]}
2859        }
2860        $ui_coml conf -text $txt
2861}
2862trace add variable commit_type write trace_commit_type
2863pack $ui_coml -side left -fill x
2864
2865if {![is_enabled nocommit]} {
2866        pack .vpane.lower.commarea.buffer.header.amend -side right
2867        pack .vpane.lower.commarea.buffer.header.new -side right
2868}
2869
2870text $ui_comm -background white -foreground black \
2871        -borderwidth 1 \
2872        -undo true \
2873        -maxundo 20 \
2874        -autoseparators true \
2875        -relief sunken \
2876        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2877        -font font_diff \
2878        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2879scrollbar .vpane.lower.commarea.buffer.sby \
2880        -command [list $ui_comm yview]
2881pack .vpane.lower.commarea.buffer.header -side top -fill x
2882pack .vpane.lower.commarea.buffer.sby -side right -fill y
2883pack $ui_comm -side left -fill y
2884pack .vpane.lower.commarea.buffer -side left -fill y
2885
2886# -- Commit Message Buffer Context Menu
2887#
2888set ctxm .vpane.lower.commarea.buffer.ctxm
2889menu $ctxm -tearoff 0
2890$ctxm add command \
2891        -label [mc Cut] \
2892        -command {tk_textCut $ui_comm}
2893$ctxm add command \
2894        -label [mc Copy] \
2895        -command {tk_textCopy $ui_comm}
2896$ctxm add command \
2897        -label [mc Paste] \
2898        -command {tk_textPaste $ui_comm}
2899$ctxm add command \
2900        -label [mc Delete] \
2901        -command {$ui_comm delete sel.first sel.last}
2902$ctxm add separator
2903$ctxm add command \
2904        -label [mc "Select All"] \
2905        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2906$ctxm add command \
2907        -label [mc "Copy All"] \
2908        -command {
2909                $ui_comm tag add sel 0.0 end
2910                tk_textCopy $ui_comm
2911                $ui_comm tag remove sel 0.0 end
2912        }
2913$ctxm add separator
2914$ctxm add command \
2915        -label [mc "Sign Off"] \
2916        -command do_signoff
2917set ui_comm_ctxm $ctxm
2918
2919# -- Diff Header
2920#
2921proc trace_current_diff_path {varname args} {
2922        global current_diff_path diff_actions file_states
2923        if {$current_diff_path eq {}} {
2924                set s {}
2925                set f {}
2926                set p {}
2927                set o disabled
2928        } else {
2929                set p $current_diff_path
2930                set s [mapdesc [lindex $file_states($p) 0] $p]
2931                set f [mc "File:"]
2932                set p [escape_path $p]
2933                set o normal
2934        }
2935
2936        .vpane.lower.diff.header.status configure -text $s
2937        .vpane.lower.diff.header.file configure -text $f
2938        .vpane.lower.diff.header.path configure -text $p
2939        foreach w $diff_actions {
2940                uplevel #0 $w $o
2941        }
2942}
2943trace add variable current_diff_path write trace_current_diff_path
2944
2945frame .vpane.lower.diff.header -background gold
2946label .vpane.lower.diff.header.status \
2947        -background gold \
2948        -foreground black \
2949        -width $max_status_desc \
2950        -anchor w \
2951        -justify left
2952label .vpane.lower.diff.header.file \
2953        -background gold \
2954        -foreground black \
2955        -anchor w \
2956        -justify left
2957label .vpane.lower.diff.header.path \
2958        -background gold \
2959        -foreground black \
2960        -anchor w \
2961        -justify left
2962pack .vpane.lower.diff.header.status -side left
2963pack .vpane.lower.diff.header.file -side left
2964pack .vpane.lower.diff.header.path -fill x
2965set ctxm .vpane.lower.diff.header.ctxm
2966menu $ctxm -tearoff 0
2967$ctxm add command \
2968        -label [mc Copy] \
2969        -command {
2970                clipboard clear
2971                clipboard append \
2972                        -format STRING \
2973                        -type STRING \
2974                        -- $current_diff_path
2975        }
2976lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2977bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
2978
2979# -- Diff Body
2980#
2981frame .vpane.lower.diff.body
2982set ui_diff .vpane.lower.diff.body.t
2983text $ui_diff -background white -foreground black \
2984        -borderwidth 0 \
2985        -width 80 -height 15 -wrap none \
2986        -font font_diff \
2987        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2988        -yscrollcommand {.vpane.lower.diff.body.sby set} \
2989        -state disabled
2990scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2991        -command [list $ui_diff xview]
2992scrollbar .vpane.lower.diff.body.sby -orient vertical \
2993        -command [list $ui_diff yview]
2994pack .vpane.lower.diff.body.sbx -side bottom -fill x
2995pack .vpane.lower.diff.body.sby -side right -fill y
2996pack $ui_diff -side left -fill both -expand 1
2997pack .vpane.lower.diff.header -side top -fill x
2998pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2999
3000$ui_diff tag conf d_cr -elide true
3001$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3002$ui_diff tag conf d_+ -foreground {#00a000}
3003$ui_diff tag conf d_- -foreground red
3004
3005$ui_diff tag conf d_++ -foreground {#00a000}
3006$ui_diff tag conf d_-- -foreground red
3007$ui_diff tag conf d_+s \
3008        -foreground {#00a000} \
3009        -background {#e2effa}
3010$ui_diff tag conf d_-s \
3011        -foreground red \
3012        -background {#e2effa}
3013$ui_diff tag conf d_s+ \
3014        -foreground {#00a000} \
3015        -background ivory1
3016$ui_diff tag conf d_s- \
3017        -foreground red \
3018        -background ivory1
3019
3020$ui_diff tag conf d<<<<<<< \
3021        -foreground orange \
3022        -font font_diffbold
3023$ui_diff tag conf d======= \
3024        -foreground orange \
3025        -font font_diffbold
3026$ui_diff tag conf d>>>>>>> \
3027        -foreground orange \
3028        -font font_diffbold
3029
3030$ui_diff tag raise sel
3031
3032# -- Diff Body Context Menu
3033#
3034
3035proc create_common_diff_popup {ctxm} {
3036        $ctxm add command \
3037                -label [mc "Show Less Context"] \
3038                -command show_less_context
3039        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3040        $ctxm add command \
3041                -label [mc "Show More Context"] \
3042                -command show_more_context
3043        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3044        $ctxm add separator
3045        $ctxm add command \
3046                -label [mc Refresh] \
3047                -command reshow_diff
3048        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3049        $ctxm add command \
3050                -label [mc Copy] \
3051                -command {tk_textCopy $ui_diff}
3052        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3053        $ctxm add command \
3054                -label [mc "Select All"] \
3055                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3056        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3057        $ctxm add command \
3058                -label [mc "Copy All"] \
3059                -command {
3060                        $ui_diff tag add sel 0.0 end
3061                        tk_textCopy $ui_diff
3062                        $ui_diff tag remove sel 0.0 end
3063                }
3064        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3065        $ctxm add separator
3066        $ctxm add command \
3067                -label [mc "Decrease Font Size"] \
3068                -command {incr_font_size font_diff -1}
3069        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3070        $ctxm add command \
3071                -label [mc "Increase Font Size"] \
3072                -command {incr_font_size font_diff 1}
3073        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3074        $ctxm add separator
3075        set emenu $ctxm.enc
3076        menu $emenu
3077        build_encoding_menu $emenu [list force_diff_encoding]
3078        $ctxm add cascade \
3079                -label [mc "Encoding"] \
3080                -menu $emenu
3081        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3082        $ctxm add separator
3083        $ctxm add command -label [mc "Options..."] \
3084                -command do_options
3085}
3086
3087set ctxm .vpane.lower.diff.body.ctxm
3088menu $ctxm -tearoff 0
3089$ctxm add command \
3090        -label [mc "Apply/Reverse Hunk"] \
3091        -command {apply_hunk $cursorX $cursorY}
3092set ui_diff_applyhunk [$ctxm index last]
3093lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3094$ctxm add command \
3095        -label [mc "Apply/Reverse Line"] \
3096        -command {apply_line $cursorX $cursorY; do_rescan}
3097set ui_diff_applyline [$ctxm index last]
3098lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3099$ctxm add separator
3100create_common_diff_popup $ctxm
3101
3102set ctxmmg .vpane.lower.diff.body.ctxmmg
3103menu $ctxmmg -tearoff 0
3104$ctxmmg add command \
3105        -label [mc "Run Merge Tool"] \
3106        -command {merge_resolve_tool}
3107lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3108$ctxmmg add separator
3109$ctxmmg add command \
3110        -label [mc "Use Remote Version"] \
3111        -command {merge_resolve_one 3}
3112lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3113$ctxmmg add command \
3114        -label [mc "Use Local Version"] \
3115        -command {merge_resolve_one 2}
3116lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3117$ctxmmg add command \
3118        -label [mc "Revert To Base"] \
3119        -command {merge_resolve_one 1}
3120lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3121$ctxmmg add separator
3122create_common_diff_popup $ctxmmg
3123
3124proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3125        global current_diff_path file_states
3126        set ::cursorX $x
3127        set ::cursorY $y
3128        if {[info exists file_states($current_diff_path)]} {
3129                set state [lindex $file_states($current_diff_path) 0]
3130        } else {
3131                set state {__}
3132        }
3133        if {[string first {U} $state] >= 0} {
3134                tk_popup $ctxmmg $X $Y
3135        } else {
3136                if {$::ui_index eq $::current_diff_side} {
3137                        set l [mc "Unstage Hunk From Commit"]
3138                        set t [mc "Unstage Line From Commit"]
3139                } else {
3140                        set l [mc "Stage Hunk For Commit"]
3141                        set t [mc "Stage Line For Commit"]
3142                }
3143                if {$::is_3way_diff
3144                        || $current_diff_path eq {}
3145                        || {__} eq $state
3146                        || {_O} eq $state
3147                        || {_T} eq $state
3148                        || {T_} eq $state} {
3149                        set s disabled
3150                } else {
3151                        set s normal
3152                }
3153                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3154                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3155                tk_popup $ctxm $X $Y
3156        }
3157}
3158bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3159
3160# -- Status Bar
3161#
3162set main_status [::status_bar::new .status]
3163pack .status -anchor w -side bottom -fill x
3164$main_status show [mc "Initializing..."]
3165
3166# -- Load geometry
3167#
3168catch {
3169set gm $repo_config(gui.geometry)
3170wm geometry . [lindex $gm 0]
3171.vpane sash place 0 \
3172        [lindex $gm 1] \
3173        [lindex [.vpane sash coord 0] 1]
3174.vpane.files sash place 0 \
3175        [lindex [.vpane.files sash coord 0] 0] \
3176        [lindex $gm 2]
3177unset gm
3178}
3179
3180# -- Key Bindings
3181#
3182bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3183bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3184bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3185bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3186bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3187bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3188bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3189bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3190bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3191bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3192bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3193bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3194bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3195bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3196bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3197bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3198bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3199bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3200
3201bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3202bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3203bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3204bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3205bind $ui_diff <$M1B-Key-v> {break}
3206bind $ui_diff <$M1B-Key-V> {break}
3207bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3208bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3209bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3210bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3211bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3212bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3213bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3214bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3215bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3216bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3217bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3218bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3219bind $ui_diff <Button-1>   {focus %W}
3220
3221if {[is_enabled branch]} {
3222        bind . <$M1B-Key-n> branch_create::dialog
3223        bind . <$M1B-Key-N> branch_create::dialog
3224        bind . <$M1B-Key-o> branch_checkout::dialog
3225        bind . <$M1B-Key-O> branch_checkout::dialog
3226        bind . <$M1B-Key-m> merge::dialog
3227        bind . <$M1B-Key-M> merge::dialog
3228}
3229if {[is_enabled transport]} {
3230        bind . <$M1B-Key-p> do_push_anywhere
3231        bind . <$M1B-Key-P> do_push_anywhere
3232}
3233
3234bind .   <Key-F5>     ui_do_rescan
3235bind .   <$M1B-Key-r> ui_do_rescan
3236bind .   <$M1B-Key-R> ui_do_rescan
3237bind .   <$M1B-Key-s> do_signoff
3238bind .   <$M1B-Key-S> do_signoff
3239bind .   <$M1B-Key-t> do_add_selection
3240bind .   <$M1B-Key-T> do_add_selection
3241bind .   <$M1B-Key-i> do_add_all
3242bind .   <$M1B-Key-I> do_add_all
3243bind .   <$M1B-Key-minus> {show_less_context;break}
3244bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3245bind .   <$M1B-Key-equal> {show_more_context;break}
3246bind .   <$M1B-Key-plus> {show_more_context;break}
3247bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3248bind .   <$M1B-Key-Return> do_commit
3249foreach i [list $ui_index $ui_workdir] {
3250        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3251        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3252        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3253}
3254unset i
3255
3256set file_lists($ui_index) [list]
3257set file_lists($ui_workdir) [list]
3258
3259wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3260focus -force $ui_comm
3261
3262# -- Warn the user about environmental problems.  Cygwin's Tcl
3263#    does *not* pass its env array onto any processes it spawns.
3264#    This means that git processes get none of our environment.
3265#
3266if {[is_Cygwin]} {
3267        set ignored_env 0
3268        set suggest_user {}
3269        set msg [mc "Possible environment issues exist.
3270
3271The following environment variables are probably
3272going to be ignored by any Git subprocess run
3273by %s:
3274
3275" [appname]]
3276        foreach name [array names env] {
3277                switch -regexp -- $name {
3278                {^GIT_INDEX_FILE$} -
3279                {^GIT_OBJECT_DIRECTORY$} -
3280                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3281                {^GIT_DIFF_OPTS$} -
3282                {^GIT_EXTERNAL_DIFF$} -
3283                {^GIT_PAGER$} -
3284                {^GIT_TRACE$} -
3285                {^GIT_CONFIG$} -
3286                {^GIT_CONFIG_LOCAL$} -
3287                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3288                        append msg " - $name\n"
3289                        incr ignored_env
3290                }
3291                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3292                        append msg " - $name\n"
3293                        incr ignored_env
3294                        set suggest_user $name
3295                }
3296                }
3297        }
3298        if {$ignored_env > 0} {
3299                append msg [mc "
3300This is due to a known issue with the
3301Tcl binary distributed by Cygwin."]
3302
3303                if {$suggest_user ne {}} {
3304                        append msg [mc "
3305
3306A good replacement for %s
3307is placing values for the user.name and
3308user.email settings into your personal
3309~/.gitconfig file.
3310" $suggest_user]
3311                }
3312                warn_popup $msg
3313        }
3314        unset ignored_env msg suggest_user name
3315}
3316
3317# -- Only initialize complex UI if we are going to stay running.
3318#
3319if {[is_enabled transport]} {
3320        load_all_remotes
3321
3322        set n [.mbar.remote index end]
3323        populate_remotes_menu
3324        set n [expr {[.mbar.remote index end] - $n}]
3325        if {$n > 0} {
3326                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3327                .mbar.remote insert $n separator
3328        }
3329        unset n
3330}
3331
3332if {[winfo exists $ui_comm]} {
3333        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3334
3335        # -- If both our backup and message files exist use the
3336        #    newer of the two files to initialize the buffer.
3337        #
3338        if {$GITGUI_BCK_exists} {
3339                set m [gitdir GITGUI_MSG]
3340                if {[file isfile $m]} {
3341                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3342                                catch {file delete [gitdir GITGUI_MSG]}
3343                        } else {
3344                                $ui_comm delete 0.0 end
3345                                $ui_comm edit reset
3346                                $ui_comm edit modified false
3347                                catch {file delete [gitdir GITGUI_BCK]}
3348                                set GITGUI_BCK_exists 0
3349                        }
3350                }
3351                unset m
3352        }
3353
3354        proc backup_commit_buffer {} {
3355                global ui_comm GITGUI_BCK_exists
3356
3357                set m [$ui_comm edit modified]
3358                if {$m || $GITGUI_BCK_exists} {
3359                        set msg [string trim [$ui_comm get 0.0 end]]
3360                        regsub -all -line {[ \r\t]+$} $msg {} msg
3361
3362                        if {$msg eq {}} {
3363                                if {$GITGUI_BCK_exists} {
3364                                        catch {file delete [gitdir GITGUI_BCK]}
3365                                        set GITGUI_BCK_exists 0
3366                                }
3367                        } elseif {$m} {
3368                                catch {
3369                                        set fd [open [gitdir GITGUI_BCK] w]
3370                                        puts -nonewline $fd $msg
3371                                        close $fd
3372                                        set GITGUI_BCK_exists 1
3373                                }
3374                        }
3375
3376                        $ui_comm edit modified false
3377                }
3378
3379                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3380        }
3381
3382        backup_commit_buffer
3383
3384        # -- If the user has aspell available we can drive it
3385        #    in pipe mode to spellcheck the commit message.
3386        #
3387        set spell_cmd [list |]
3388        set spell_dict [get_config gui.spellingdictionary]
3389        lappend spell_cmd aspell
3390        if {$spell_dict ne {}} {
3391                lappend spell_cmd --master=$spell_dict
3392        }
3393        lappend spell_cmd --mode=none
3394        lappend spell_cmd --encoding=utf-8
3395        lappend spell_cmd pipe
3396        if {$spell_dict eq {none}
3397         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3398                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3399        } else {
3400                set ui_comm_spell [spellcheck::init \
3401                        $spell_fd \
3402                        $ui_comm \
3403                        $ui_comm_ctxm \
3404                ]
3405        }
3406        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3407}
3408
3409lock_index begin-read
3410if {![winfo ismapped .]} {
3411        wm deiconify .
3412}
3413after 1 {
3414        if {[is_enabled initialamend]} {
3415                force_amend
3416        } else {
3417                do_rescan
3418        }
3419
3420        if {[is_enabled nocommitmsg]} {
3421                $ui_comm configure -state disabled -background gray
3422        }
3423}
3424if {[is_enabled multicommit]} {
3425        after 1000 hint_gc
3426}
3427if {[is_enabled retcode]} {
3428        bind . <Destroy> {+terminate_me %W}
3429}
3430if {$picked && [is_config_true gui.autoexplore]} {
3431        do_explore
3432}