Andrew's git / gitweb.git / git-gui.sh
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git-gui.shon commit git-gui: Don't allow staging files with conflicts. (617ceee)
   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 sq {value} {
 525        regsub -all ' $value "'\\''" value
 526        return "'$value'"
 527}
 528
 529proc load_current_branch {} {
 530        global current_branch is_detached
 531
 532        set fd [open [gitdir HEAD] r]
 533        if {[gets $fd ref] < 1} {
 534                set ref {}
 535        }
 536        close $fd
 537
 538        set pfx {ref: refs/heads/}
 539        set len [string length $pfx]
 540        if {[string equal -length $len $pfx $ref]} {
 541                # We're on a branch.  It might not exist.  But
 542                # HEAD looks good enough to be a branch.
 543                #
 544                set current_branch [string range $ref $len end]
 545                set is_detached 0
 546        } else {
 547                # Assume this is a detached head.
 548                #
 549                set current_branch HEAD
 550                set is_detached 1
 551        }
 552}
 553
 554auto_load tk_optionMenu
 555rename tk_optionMenu real__tkOptionMenu
 556proc tk_optionMenu {w varName args} {
 557        set m [eval real__tkOptionMenu $w $varName $args]
 558        $m configure -font font_ui
 559        $w configure -font font_ui
 560        return $m
 561}
 562
 563proc rmsel_tag {text} {
 564        $text tag conf sel \
 565                -background [$text cget -background] \
 566                -foreground [$text cget -foreground] \
 567                -borderwidth 0
 568        $text tag conf in_sel -background lightgray
 569        bind $text <Motion> break
 570        return $text
 571}
 572
 573set root_exists 0
 574bind . <Visibility> {
 575        bind . <Visibility> {}
 576        set root_exists 1
 577}
 578
 579if {[is_Windows]} {
 580        wm iconbitmap . -default $oguilib/git-gui.ico
 581}
 582
 583######################################################################
 584##
 585## config defaults
 586
 587set cursor_ptr arrow
 588font create font_diff -family Courier -size 10
 589font create font_ui
 590catch {
 591        label .dummy
 592        eval font configure font_ui [font actual [.dummy cget -font]]
 593        destroy .dummy
 594}
 595
 596font create font_uiitalic
 597font create font_uibold
 598font create font_diffbold
 599font create font_diffitalic
 600
 601foreach class {Button Checkbutton Entry Label
 602                Labelframe Listbox Menu Message
 603                Radiobutton Spinbox Text} {
 604        option add *$class.font font_ui
 605}
 606unset class
 607
 608if {[is_Windows] || [is_MacOSX]} {
 609        option add *Menu.tearOff 0
 610}
 611
 612if {[is_MacOSX]} {
 613        set M1B M1
 614        set M1T Cmd
 615} else {
 616        set M1B Control
 617        set M1T Ctrl
 618}
 619
 620proc bind_button3 {w cmd} {
 621        bind $w <Any-Button-3> $cmd
 622        if {[is_MacOSX]} {
 623                # Mac OS X sends Button-2 on right click through three-button mouse,
 624                # or through trackpad right-clicking (two-finger touch + click).
 625                bind $w <Any-Button-2> $cmd
 626                bind $w <Control-Button-1> $cmd
 627        }
 628}
 629
 630proc apply_config {} {
 631        global repo_config font_descs
 632
 633        foreach option $font_descs {
 634                set name [lindex $option 0]
 635                set font [lindex $option 1]
 636                if {[catch {
 637                        set need_weight 1
 638                        foreach {cn cv} $repo_config(gui.$name) {
 639                                if {$cn eq {-weight}} {
 640                                        set need_weight 0
 641                                }
 642                                font configure $font $cn $cv
 643                        }
 644                        if {$need_weight} {
 645                                font configure $font -weight normal
 646                        }
 647                        } err]} {
 648                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 649                }
 650                foreach {cn cv} [font configure $font] {
 651                        font configure ${font}bold $cn $cv
 652                        font configure ${font}italic $cn $cv
 653                }
 654                font configure ${font}bold -weight bold
 655                font configure ${font}italic -slant italic
 656        }
 657}
 658
 659set default_config(branch.autosetupmerge) true
 660set default_config(merge.tool) {}
 661set default_config(merge.keepbackup) true
 662set default_config(merge.diffstat) true
 663set default_config(merge.summary) false
 664set default_config(merge.verbosity) 2
 665set default_config(user.name) {}
 666set default_config(user.email) {}
 667
 668set default_config(gui.matchtrackingbranch) false
 669set default_config(gui.pruneduringfetch) false
 670set default_config(gui.trustmtime) false
 671set default_config(gui.fastcopyblame) false
 672set default_config(gui.copyblamethreshold) 40
 673set default_config(gui.blamehistoryctx) 7
 674set default_config(gui.diffcontext) 5
 675set default_config(gui.commitmsgwidth) 75
 676set default_config(gui.newbranchtemplate) {}
 677set default_config(gui.spellingdictionary) {}
 678set default_config(gui.fontui) [font configure font_ui]
 679set default_config(gui.fontdiff) [font configure font_diff]
 680set font_descs {
 681        {fontui   font_ui   {mc "Main Font"}}
 682        {fontdiff font_diff {mc "Diff/Console Font"}}
 683}
 684
 685######################################################################
 686##
 687## find git
 688
 689set _git  [_which git]
 690if {$_git eq {}} {
 691        catch {wm withdraw .}
 692        tk_messageBox \
 693                -icon error \
 694                -type ok \
 695                -title [mc "git-gui: fatal error"] \
 696                -message [mc "Cannot find git in PATH."]
 697        exit 1
 698}
 699
 700######################################################################
 701##
 702## version check
 703
 704if {[catch {set _git_version [git --version]} err]} {
 705        catch {wm withdraw .}
 706        tk_messageBox \
 707                -icon error \
 708                -type ok \
 709                -title [mc "git-gui: fatal error"] \
 710                -message "Cannot determine Git version:
 711
 712$err
 713
 714[appname] requires Git 1.5.0 or later."
 715        exit 1
 716}
 717if {![regsub {^git version } $_git_version {} _git_version]} {
 718        catch {wm withdraw .}
 719        tk_messageBox \
 720                -icon error \
 721                -type ok \
 722                -title [mc "git-gui: fatal error"] \
 723                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 724        exit 1
 725}
 726
 727set _real_git_version $_git_version
 728regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 729regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 730regsub {\.rc[0-9]+$} $_git_version {} _git_version
 731regsub {\.GIT$} $_git_version {} _git_version
 732regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version
 733
 734if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 735        catch {wm withdraw .}
 736        if {[tk_messageBox \
 737                -icon warning \
 738                -type yesno \
 739                -default no \
 740                -title "[appname]: warning" \
 741                 -message [mc "Git version cannot be determined.
 742
 743%s claims it is version '%s'.
 744
 745%s requires at least Git 1.5.0 or later.
 746
 747Assume '%s' is version 1.5.0?
 748" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 749                set _git_version 1.5.0
 750        } else {
 751                exit 1
 752        }
 753}
 754unset _real_git_version
 755
 756proc git-version {args} {
 757        global _git_version
 758
 759        switch [llength $args] {
 760        0 {
 761                return $_git_version
 762        }
 763
 764        2 {
 765                set op [lindex $args 0]
 766                set vr [lindex $args 1]
 767                set cm [package vcompare $_git_version $vr]
 768                return [expr $cm $op 0]
 769        }
 770
 771        4 {
 772                set type [lindex $args 0]
 773                set name [lindex $args 1]
 774                set parm [lindex $args 2]
 775                set body [lindex $args 3]
 776
 777                if {($type ne {proc} && $type ne {method})} {
 778                        error "Invalid arguments to git-version"
 779                }
 780                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 781                        error "Last arm of $type $name must be default"
 782                }
 783
 784                foreach {op vr cb} [lrange $body 0 end-2] {
 785                        if {[git-version $op $vr]} {
 786                                return [uplevel [list $type $name $parm $cb]]
 787                        }
 788                }
 789
 790                return [uplevel [list $type $name $parm [lindex $body end]]]
 791        }
 792
 793        default {
 794                error "git-version >= x"
 795        }
 796
 797        }
 798}
 799
 800if {[git-version < 1.5]} {
 801        catch {wm withdraw .}
 802        tk_messageBox \
 803                -icon error \
 804                -type ok \
 805                -title [mc "git-gui: fatal error"] \
 806                -message "[appname] requires Git 1.5.0 or later.
 807
 808You are using [git-version]:
 809
 810[git --version]"
 811        exit 1
 812}
 813
 814######################################################################
 815##
 816## configure our library
 817
 818set idx [file join $oguilib tclIndex]
 819if {[catch {set fd [open $idx r]} err]} {
 820        catch {wm withdraw .}
 821        tk_messageBox \
 822                -icon error \
 823                -type ok \
 824                -title [mc "git-gui: fatal error"] \
 825                -message $err
 826        exit 1
 827}
 828if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 829        set idx [list]
 830        while {[gets $fd n] >= 0} {
 831                if {$n ne {} && ![string match #* $n]} {
 832                        lappend idx $n
 833                }
 834        }
 835} else {
 836        set idx {}
 837}
 838close $fd
 839
 840if {$idx ne {}} {
 841        set loaded [list]
 842        foreach p $idx {
 843                if {[lsearch -exact $loaded $p] >= 0} continue
 844                source [file join $oguilib $p]
 845                lappend loaded $p
 846        }
 847        unset loaded p
 848} else {
 849        set auto_path [concat [list $oguilib] $auto_path]
 850}
 851unset -nocomplain idx fd
 852
 853######################################################################
 854##
 855## config file parsing
 856
 857git-version proc _parse_config {arr_name args} {
 858        >= 1.5.3 {
 859                upvar $arr_name arr
 860                array unset arr
 861                set buf {}
 862                catch {
 863                        set fd_rc [eval \
 864                                [list git_read config] \
 865                                $args \
 866                                [list --null --list]]
 867                        fconfigure $fd_rc -translation binary
 868                        set buf [read $fd_rc]
 869                        close $fd_rc
 870                }
 871                foreach line [split $buf "\0"] {
 872                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 873                                if {[is_many_config $name]} {
 874                                        lappend arr($name) $value
 875                                } else {
 876                                        set arr($name) $value
 877                                }
 878                        }
 879                }
 880        }
 881        default {
 882                upvar $arr_name arr
 883                array unset arr
 884                catch {
 885                        set fd_rc [eval [list git_read config --list] $args]
 886                        while {[gets $fd_rc line] >= 0} {
 887                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 888                                        if {[is_many_config $name]} {
 889                                                lappend arr($name) $value
 890                                        } else {
 891                                                set arr($name) $value
 892                                        }
 893                                }
 894                        }
 895                        close $fd_rc
 896                }
 897        }
 898}
 899
 900proc load_config {include_global} {
 901        global repo_config global_config default_config
 902
 903        if {$include_global} {
 904                _parse_config global_config --global
 905        }
 906        _parse_config repo_config
 907
 908        foreach name [array names default_config] {
 909                if {[catch {set v $global_config($name)}]} {
 910                        set global_config($name) $default_config($name)
 911                }
 912                if {[catch {set v $repo_config($name)}]} {
 913                        set repo_config($name) $default_config($name)
 914                }
 915        }
 916}
 917
 918######################################################################
 919##
 920## feature option selection
 921
 922if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 923        unset _junk
 924} else {
 925        set subcommand gui
 926}
 927if {$subcommand eq {gui.sh}} {
 928        set subcommand gui
 929}
 930if {$subcommand eq {gui} && [llength $argv] > 0} {
 931        set subcommand [lindex $argv 0]
 932        set argv [lrange $argv 1 end]
 933}
 934
 935enable_option multicommit
 936enable_option branch
 937enable_option transport
 938disable_option bare
 939
 940switch -- $subcommand {
 941browser -
 942blame {
 943        enable_option bare
 944
 945        disable_option multicommit
 946        disable_option branch
 947        disable_option transport
 948}
 949citool {
 950        enable_option singlecommit
 951
 952        disable_option multicommit
 953        disable_option branch
 954        disable_option transport
 955}
 956}
 957
 958######################################################################
 959##
 960## repository setup
 961
 962if {[catch {
 963                set _gitdir $env(GIT_DIR)
 964                set _prefix {}
 965                }]
 966        && [catch {
 967                set _gitdir [git rev-parse --git-dir]
 968                set _prefix [git rev-parse --show-prefix]
 969        } err]} {
 970        load_config 1
 971        apply_config
 972        choose_repository::pick
 973}
 974if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 975        catch {set _gitdir [exec cygpath --windows $_gitdir]}
 976}
 977if {![file isdirectory $_gitdir]} {
 978        catch {wm withdraw .}
 979        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
 980        exit 1
 981}
 982if {$_prefix ne {}} {
 983        regsub -all {[^/]+/} $_prefix ../ cdup
 984        if {[catch {cd $cdup} err]} {
 985                catch {wm withdraw .}
 986                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
 987                exit 1
 988        }
 989        unset cdup
 990} elseif {![is_enabled bare]} {
 991        if {[lindex [file split $_gitdir] end] ne {.git}} {
 992                catch {wm withdraw .}
 993                error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
 994                exit 1
 995        }
 996        if {[catch {cd [file dirname $_gitdir]} err]} {
 997                catch {wm withdraw .}
 998                error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
 999                exit 1
1000        }
1001}
1002set _reponame [file split [file normalize $_gitdir]]
1003if {[lindex $_reponame end] eq {.git}} {
1004        set _reponame [lindex $_reponame end-1]
1005} else {
1006        set _reponame [lindex $_reponame end]
1007}
1008
1009######################################################################
1010##
1011## global init
1012
1013set current_diff_path {}
1014set current_diff_side {}
1015set diff_actions [list]
1016
1017set HEAD {}
1018set PARENT {}
1019set MERGE_HEAD [list]
1020set commit_type {}
1021set empty_tree {}
1022set current_branch {}
1023set is_detached 0
1024set current_diff_path {}
1025set is_3way_diff 0
1026set selected_commit_type new
1027
1028######################################################################
1029##
1030## task management
1031
1032set rescan_active 0
1033set diff_active 0
1034set last_clicked {}
1035
1036set disable_on_lock [list]
1037set index_lock_type none
1038
1039proc lock_index {type} {
1040        global index_lock_type disable_on_lock
1041
1042        if {$index_lock_type eq {none}} {
1043                set index_lock_type $type
1044                foreach w $disable_on_lock {
1045                        uplevel #0 $w disabled
1046                }
1047                return 1
1048        } elseif {$index_lock_type eq "begin-$type"} {
1049                set index_lock_type $type
1050                return 1
1051        }
1052        return 0
1053}
1054
1055proc unlock_index {} {
1056        global index_lock_type disable_on_lock
1057
1058        set index_lock_type none
1059        foreach w $disable_on_lock {
1060                uplevel #0 $w normal
1061        }
1062}
1063
1064######################################################################
1065##
1066## status
1067
1068proc repository_state {ctvar hdvar mhvar} {
1069        global current_branch
1070        upvar $ctvar ct $hdvar hd $mhvar mh
1071
1072        set mh [list]
1073
1074        load_current_branch
1075        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1076                set hd {}
1077                set ct initial
1078                return
1079        }
1080
1081        set merge_head [gitdir MERGE_HEAD]
1082        if {[file exists $merge_head]} {
1083                set ct merge
1084                set fd_mh [open $merge_head r]
1085                while {[gets $fd_mh line] >= 0} {
1086                        lappend mh $line
1087                }
1088                close $fd_mh
1089                return
1090        }
1091
1092        set ct normal
1093}
1094
1095proc PARENT {} {
1096        global PARENT empty_tree
1097
1098        set p [lindex $PARENT 0]
1099        if {$p ne {}} {
1100                return $p
1101        }
1102        if {$empty_tree eq {}} {
1103                set empty_tree [git mktree << {}]
1104        }
1105        return $empty_tree
1106}
1107
1108proc rescan {after {honor_trustmtime 1}} {
1109        global HEAD PARENT MERGE_HEAD commit_type
1110        global ui_index ui_workdir ui_comm
1111        global rescan_active file_states
1112        global repo_config
1113
1114        if {$rescan_active > 0 || ![lock_index read]} return
1115
1116        repository_state newType newHEAD newMERGE_HEAD
1117        if {[string match amend* $commit_type]
1118                && $newType eq {normal}
1119                && $newHEAD eq $HEAD} {
1120        } else {
1121                set HEAD $newHEAD
1122                set PARENT $newHEAD
1123                set MERGE_HEAD $newMERGE_HEAD
1124                set commit_type $newType
1125        }
1126
1127        array unset file_states
1128
1129        if {!$::GITGUI_BCK_exists &&
1130                (![$ui_comm edit modified]
1131                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1132                if {[string match amend* $commit_type]} {
1133                } elseif {[load_message GITGUI_MSG]} {
1134                } elseif {[load_message MERGE_MSG]} {
1135                } elseif {[load_message SQUASH_MSG]} {
1136                }
1137                $ui_comm edit reset
1138                $ui_comm edit modified false
1139        }
1140
1141        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1142                rescan_stage2 {} $after
1143        } else {
1144                set rescan_active 1
1145                ui_status [mc "Refreshing file status..."]
1146                set fd_rf [git_read update-index \
1147                        -q \
1148                        --unmerged \
1149                        --ignore-missing \
1150                        --refresh \
1151                        ]
1152                fconfigure $fd_rf -blocking 0 -translation binary
1153                fileevent $fd_rf readable \
1154                        [list rescan_stage2 $fd_rf $after]
1155        }
1156}
1157
1158if {[is_Cygwin]} {
1159        set is_git_info_exclude {}
1160        proc have_info_exclude {} {
1161                global is_git_info_exclude
1162
1163                if {$is_git_info_exclude eq {}} {
1164                        if {[catch {exec test -f [gitdir info exclude]}]} {
1165                                set is_git_info_exclude 0
1166                        } else {
1167                                set is_git_info_exclude 1
1168                        }
1169                }
1170                return $is_git_info_exclude
1171        }
1172} else {
1173        proc have_info_exclude {} {
1174                return [file readable [gitdir info exclude]]
1175        }
1176}
1177
1178proc rescan_stage2 {fd after} {
1179        global rescan_active buf_rdi buf_rdf buf_rlo
1180
1181        if {$fd ne {}} {
1182                read $fd
1183                if {![eof $fd]} return
1184                close $fd
1185        }
1186
1187        set ls_others [list --exclude-per-directory=.gitignore]
1188        if {[have_info_exclude]} {
1189                lappend ls_others "--exclude-from=[gitdir info exclude]"
1190        }
1191        set user_exclude [get_config core.excludesfile]
1192        if {$user_exclude ne {} && [file readable $user_exclude]} {
1193                lappend ls_others "--exclude-from=$user_exclude"
1194        }
1195
1196        set buf_rdi {}
1197        set buf_rdf {}
1198        set buf_rlo {}
1199
1200        set rescan_active 3
1201        ui_status [mc "Scanning for modified files ..."]
1202        set fd_di [git_read diff-index --cached -z [PARENT]]
1203        set fd_df [git_read diff-files -z]
1204        set fd_lo [eval git_read ls-files --others -z $ls_others]
1205
1206        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1207        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1208        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1209        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1210        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1211        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1212}
1213
1214proc load_message {file} {
1215        global ui_comm
1216
1217        set f [gitdir $file]
1218        if {[file isfile $f]} {
1219                if {[catch {set fd [open $f r]}]} {
1220                        return 0
1221                }
1222                fconfigure $fd -eofchar {}
1223                set content [string trim [read $fd]]
1224                close $fd
1225                regsub -all -line {[ \r\t]+$} $content {} content
1226                $ui_comm delete 0.0 end
1227                $ui_comm insert end $content
1228                return 1
1229        }
1230        return 0
1231}
1232
1233proc read_diff_index {fd after} {
1234        global buf_rdi
1235
1236        append buf_rdi [read $fd]
1237        set c 0
1238        set n [string length $buf_rdi]
1239        while {$c < $n} {
1240                set z1 [string first "\0" $buf_rdi $c]
1241                if {$z1 == -1} break
1242                incr z1
1243                set z2 [string first "\0" $buf_rdi $z1]
1244                if {$z2 == -1} break
1245
1246                incr c
1247                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1248                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1249                merge_state \
1250                        [encoding convertfrom $p] \
1251                        [lindex $i 4]? \
1252                        [list [lindex $i 0] [lindex $i 2]] \
1253                        [list]
1254                set c $z2
1255                incr c
1256        }
1257        if {$c < $n} {
1258                set buf_rdi [string range $buf_rdi $c end]
1259        } else {
1260                set buf_rdi {}
1261        }
1262
1263        rescan_done $fd buf_rdi $after
1264}
1265
1266proc read_diff_files {fd after} {
1267        global buf_rdf
1268
1269        append buf_rdf [read $fd]
1270        set c 0
1271        set n [string length $buf_rdf]
1272        while {$c < $n} {
1273                set z1 [string first "\0" $buf_rdf $c]
1274                if {$z1 == -1} break
1275                incr z1
1276                set z2 [string first "\0" $buf_rdf $z1]
1277                if {$z2 == -1} break
1278
1279                incr c
1280                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1281                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1282                merge_state \
1283                        [encoding convertfrom $p] \
1284                        ?[lindex $i 4] \
1285                        [list] \
1286                        [list [lindex $i 0] [lindex $i 2]]
1287                set c $z2
1288                incr c
1289        }
1290        if {$c < $n} {
1291                set buf_rdf [string range $buf_rdf $c end]
1292        } else {
1293                set buf_rdf {}
1294        }
1295
1296        rescan_done $fd buf_rdf $after
1297}
1298
1299proc read_ls_others {fd after} {
1300        global buf_rlo
1301
1302        append buf_rlo [read $fd]
1303        set pck [split $buf_rlo "\0"]
1304        set buf_rlo [lindex $pck end]
1305        foreach p [lrange $pck 0 end-1] {
1306                set p [encoding convertfrom $p]
1307                if {[string index $p end] eq {/}} {
1308                        set p [string range $p 0 end-1]
1309                }
1310                merge_state $p ?O
1311        }
1312        rescan_done $fd buf_rlo $after
1313}
1314
1315proc rescan_done {fd buf after} {
1316        global rescan_active current_diff_path
1317        global file_states repo_config
1318        upvar $buf to_clear
1319
1320        if {![eof $fd]} return
1321        set to_clear {}
1322        close $fd
1323        if {[incr rescan_active -1] > 0} return
1324
1325        prune_selection
1326        unlock_index
1327        display_all_files
1328        if {$current_diff_path ne {}} reshow_diff
1329        uplevel #0 $after
1330}
1331
1332proc prune_selection {} {
1333        global file_states selected_paths
1334
1335        foreach path [array names selected_paths] {
1336                if {[catch {set still_here $file_states($path)}]} {
1337                        unset selected_paths($path)
1338                }
1339        }
1340}
1341
1342######################################################################
1343##
1344## ui helpers
1345
1346proc mapicon {w state path} {
1347        global all_icons
1348
1349        if {[catch {set r $all_icons($state$w)}]} {
1350                puts "error: no icon for $w state={$state} $path"
1351                return file_plain
1352        }
1353        return $r
1354}
1355
1356proc mapdesc {state path} {
1357        global all_descs
1358
1359        if {[catch {set r $all_descs($state)}]} {
1360                puts "error: no desc for state={$state} $path"
1361                return $state
1362        }
1363        return $r
1364}
1365
1366proc ui_status {msg} {
1367        global main_status
1368        if {[info exists main_status]} {
1369                $main_status show $msg
1370        }
1371}
1372
1373proc ui_ready {{test {}}} {
1374        global main_status
1375        if {[info exists main_status]} {
1376                $main_status show [mc "Ready."] $test
1377        }
1378}
1379
1380proc escape_path {path} {
1381        regsub -all {\\} $path "\\\\" path
1382        regsub -all "\n" $path "\\n" path
1383        return $path
1384}
1385
1386proc short_path {path} {
1387        return [escape_path [lindex [file split $path] end]]
1388}
1389
1390set next_icon_id 0
1391set null_sha1 [string repeat 0 40]
1392
1393proc merge_state {path new_state {head_info {}} {index_info {}}} {
1394        global file_states next_icon_id null_sha1
1395
1396        set s0 [string index $new_state 0]
1397        set s1 [string index $new_state 1]
1398
1399        if {[catch {set info $file_states($path)}]} {
1400                set state __
1401                set icon n[incr next_icon_id]
1402        } else {
1403                set state [lindex $info 0]
1404                set icon [lindex $info 1]
1405                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1406                if {$index_info eq {}} {set index_info [lindex $info 3]}
1407        }
1408
1409        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1410        elseif {$s0 eq {_}} {set s0 _}
1411
1412        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1413        elseif {$s1 eq {_}} {set s1 _}
1414
1415        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1416                set head_info [list 0 $null_sha1]
1417        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1418                && $head_info eq {}} {
1419                set head_info $index_info
1420        }
1421
1422        set file_states($path) [list $s0$s1 $icon \
1423                $head_info $index_info \
1424                ]
1425        return $state
1426}
1427
1428proc display_file_helper {w path icon_name old_m new_m} {
1429        global file_lists
1430
1431        if {$new_m eq {_}} {
1432                set lno [lsearch -sorted -exact $file_lists($w) $path]
1433                if {$lno >= 0} {
1434                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1435                        incr lno
1436                        $w conf -state normal
1437                        $w delete $lno.0 [expr {$lno + 1}].0
1438                        $w conf -state disabled
1439                }
1440        } elseif {$old_m eq {_} && $new_m ne {_}} {
1441                lappend file_lists($w) $path
1442                set file_lists($w) [lsort -unique $file_lists($w)]
1443                set lno [lsearch -sorted -exact $file_lists($w) $path]
1444                incr lno
1445                $w conf -state normal
1446                $w image create $lno.0 \
1447                        -align center -padx 5 -pady 1 \
1448                        -name $icon_name \
1449                        -image [mapicon $w $new_m $path]
1450                $w insert $lno.1 "[escape_path $path]\n"
1451                $w conf -state disabled
1452        } elseif {$old_m ne $new_m} {
1453                $w conf -state normal
1454                $w image conf $icon_name -image [mapicon $w $new_m $path]
1455                $w conf -state disabled
1456        }
1457}
1458
1459proc display_file {path state} {
1460        global file_states selected_paths
1461        global ui_index ui_workdir
1462
1463        set old_m [merge_state $path $state]
1464        set s $file_states($path)
1465        set new_m [lindex $s 0]
1466        set icon_name [lindex $s 1]
1467
1468        set o [string index $old_m 0]
1469        set n [string index $new_m 0]
1470        if {$o eq {U}} {
1471                set o _
1472        }
1473        if {$n eq {U}} {
1474                set n _
1475        }
1476        display_file_helper     $ui_index $path $icon_name $o $n
1477
1478        if {[string index $old_m 0] eq {U}} {
1479                set o U
1480        } else {
1481                set o [string index $old_m 1]
1482        }
1483        if {[string index $new_m 0] eq {U}} {
1484                set n U
1485        } else {
1486                set n [string index $new_m 1]
1487        }
1488        display_file_helper     $ui_workdir $path $icon_name $o $n
1489
1490        if {$new_m eq {__}} {
1491                unset file_states($path)
1492                catch {unset selected_paths($path)}
1493        }
1494}
1495
1496proc display_all_files_helper {w path icon_name m} {
1497        global file_lists
1498
1499        lappend file_lists($w) $path
1500        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1501        $w image create end \
1502                -align center -padx 5 -pady 1 \
1503                -name $icon_name \
1504                -image [mapicon $w $m $path]
1505        $w insert end "[escape_path $path]\n"
1506}
1507
1508proc display_all_files {} {
1509        global ui_index ui_workdir
1510        global file_states file_lists
1511        global last_clicked
1512
1513        $ui_index conf -state normal
1514        $ui_workdir conf -state normal
1515
1516        $ui_index delete 0.0 end
1517        $ui_workdir delete 0.0 end
1518        set last_clicked {}
1519
1520        set file_lists($ui_index) [list]
1521        set file_lists($ui_workdir) [list]
1522
1523        foreach path [lsort [array names file_states]] {
1524                set s $file_states($path)
1525                set m [lindex $s 0]
1526                set icon_name [lindex $s 1]
1527
1528                set s [string index $m 0]
1529                if {$s ne {U} && $s ne {_}} {
1530                        display_all_files_helper $ui_index $path \
1531                                $icon_name $s
1532                }
1533
1534                if {[string index $m 0] eq {U}} {
1535                        set s U
1536                } else {
1537                        set s [string index $m 1]
1538                }
1539                if {$s ne {_}} {
1540                        display_all_files_helper $ui_workdir $path \
1541                                $icon_name $s
1542                }
1543        }
1544
1545        $ui_index conf -state disabled
1546        $ui_workdir conf -state disabled
1547}
1548
1549######################################################################
1550##
1551## icons
1552
1553set filemask {
1554#define mask_width 14
1555#define mask_height 15
1556static unsigned char mask_bits[] = {
1557   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1558   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1559   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1560}
1561
1562image create bitmap file_plain -background white -foreground black -data {
1563#define plain_width 14
1564#define plain_height 15
1565static unsigned char plain_bits[] = {
1566   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1567   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1568   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1569} -maskdata $filemask
1570
1571image create bitmap file_mod -background white -foreground blue -data {
1572#define mod_width 14
1573#define mod_height 15
1574static unsigned char mod_bits[] = {
1575   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1576   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1577   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1578} -maskdata $filemask
1579
1580image create bitmap file_fulltick -background white -foreground "#007000" -data {
1581#define file_fulltick_width 14
1582#define file_fulltick_height 15
1583static unsigned char file_fulltick_bits[] = {
1584   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1585   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1586   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1587} -maskdata $filemask
1588
1589image create bitmap file_parttick -background white -foreground "#005050" -data {
1590#define parttick_width 14
1591#define parttick_height 15
1592static unsigned char parttick_bits[] = {
1593   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1594   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1595   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1596} -maskdata $filemask
1597
1598image create bitmap file_question -background white -foreground black -data {
1599#define file_question_width 14
1600#define file_question_height 15
1601static unsigned char file_question_bits[] = {
1602   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1603   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1604   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1605} -maskdata $filemask
1606
1607image create bitmap file_removed -background white -foreground red -data {
1608#define file_removed_width 14
1609#define file_removed_height 15
1610static unsigned char file_removed_bits[] = {
1611   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1612   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1613   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1614} -maskdata $filemask
1615
1616image create bitmap file_merge -background white -foreground blue -data {
1617#define file_merge_width 14
1618#define file_merge_height 15
1619static unsigned char file_merge_bits[] = {
1620   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1621   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1622   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1623} -maskdata $filemask
1624
1625image create bitmap file_statechange -background white -foreground green -data {
1626#define file_merge_width 14
1627#define file_merge_height 15
1628static unsigned char file_statechange_bits[] = {
1629   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1630   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1631   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1632} -maskdata $filemask
1633
1634set ui_index .vpane.files.index.list
1635set ui_workdir .vpane.files.workdir.list
1636
1637set all_icons(_$ui_index)   file_plain
1638set all_icons(A$ui_index)   file_fulltick
1639set all_icons(M$ui_index)   file_fulltick
1640set all_icons(D$ui_index)   file_removed
1641set all_icons(U$ui_index)   file_merge
1642set all_icons(T$ui_index)   file_statechange
1643
1644set all_icons(_$ui_workdir) file_plain
1645set all_icons(M$ui_workdir) file_mod
1646set all_icons(D$ui_workdir) file_question
1647set all_icons(U$ui_workdir) file_merge
1648set all_icons(O$ui_workdir) file_plain
1649set all_icons(T$ui_workdir) file_statechange
1650
1651set max_status_desc 0
1652foreach i {
1653                {__ {mc "Unmodified"}}
1654
1655                {_M {mc "Modified, not staged"}}
1656                {M_ {mc "Staged for commit"}}
1657                {MM {mc "Portions staged for commit"}}
1658                {MD {mc "Staged for commit, missing"}}
1659
1660                {_T {mc "File type changed, not staged"}}
1661                {T_ {mc "File type changed, staged"}}
1662
1663                {_O {mc "Untracked, not staged"}}
1664                {A_ {mc "Staged for commit"}}
1665                {AM {mc "Portions staged for commit"}}
1666                {AD {mc "Staged for commit, missing"}}
1667
1668                {_D {mc "Missing"}}
1669                {D_ {mc "Staged for removal"}}
1670                {DO {mc "Staged for removal, still present"}}
1671
1672                {U_ {mc "Requires merge resolution"}}
1673                {UU {mc "Requires merge resolution"}}
1674                {UM {mc "Requires merge resolution"}}
1675                {UD {mc "Requires merge resolution"}}
1676        } {
1677        set text [eval [lindex $i 1]]
1678        if {$max_status_desc < [string length $text]} {
1679                set max_status_desc [string length $text]
1680        }
1681        set all_descs([lindex $i 0]) $text
1682}
1683unset i
1684
1685######################################################################
1686##
1687## util
1688
1689proc scrollbar2many {list mode args} {
1690        foreach w $list {eval $w $mode $args}
1691}
1692
1693proc many2scrollbar {list mode sb top bottom} {
1694        $sb set $top $bottom
1695        foreach w $list {$w $mode moveto $top}
1696}
1697
1698proc incr_font_size {font {amt 1}} {
1699        set sz [font configure $font -size]
1700        incr sz $amt
1701        font configure $font -size $sz
1702        font configure ${font}bold -size $sz
1703        font configure ${font}italic -size $sz
1704}
1705
1706######################################################################
1707##
1708## ui commands
1709
1710set starting_gitk_msg [mc "Starting gitk... please wait..."]
1711
1712proc do_gitk {revs} {
1713        # -- Always start gitk through whatever we were loaded with.  This
1714        #    lets us bypass using shell process on Windows systems.
1715        #
1716        set exe [_which gitk -script]
1717        set cmd [list [info nameofexecutable] $exe]
1718        if {$exe eq {}} {
1719                error_popup [mc "Couldn't find gitk in PATH"]
1720        } else {
1721                global env
1722
1723                if {[info exists env(GIT_DIR)]} {
1724                        set old_GIT_DIR $env(GIT_DIR)
1725                } else {
1726                        set old_GIT_DIR {}
1727                }
1728
1729                set pwd [pwd]
1730                cd [file dirname [gitdir]]
1731                set env(GIT_DIR) [file tail [gitdir]]
1732
1733                eval exec $cmd $revs &
1734
1735                if {$old_GIT_DIR eq {}} {
1736                        unset env(GIT_DIR)
1737                } else {
1738                        set env(GIT_DIR) $old_GIT_DIR
1739                }
1740                cd $pwd
1741
1742                ui_status $::starting_gitk_msg
1743                after 10000 {
1744                        ui_ready $starting_gitk_msg
1745                }
1746        }
1747}
1748
1749set is_quitting 0
1750
1751proc do_quit {} {
1752        global ui_comm is_quitting repo_config commit_type
1753        global GITGUI_BCK_exists GITGUI_BCK_i
1754        global ui_comm_spell
1755
1756        if {$is_quitting} return
1757        set is_quitting 1
1758
1759        if {[winfo exists $ui_comm]} {
1760                # -- Stash our current commit buffer.
1761                #
1762                set save [gitdir GITGUI_MSG]
1763                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1764                        file rename -force [gitdir GITGUI_BCK] $save
1765                        set GITGUI_BCK_exists 0
1766                } else {
1767                        set msg [string trim [$ui_comm get 0.0 end]]
1768                        regsub -all -line {[ \r\t]+$} $msg {} msg
1769                        if {(![string match amend* $commit_type]
1770                                || [$ui_comm edit modified])
1771                                && $msg ne {}} {
1772                                catch {
1773                                        set fd [open $save w]
1774                                        puts -nonewline $fd $msg
1775                                        close $fd
1776                                }
1777                        } else {
1778                                catch {file delete $save}
1779                        }
1780                }
1781
1782                # -- Cancel our spellchecker if its running.
1783                #
1784                if {[info exists ui_comm_spell]} {
1785                        $ui_comm_spell stop
1786                }
1787
1788                # -- Remove our editor backup, its not needed.
1789                #
1790                after cancel $GITGUI_BCK_i
1791                if {$GITGUI_BCK_exists} {
1792                        catch {file delete [gitdir GITGUI_BCK]}
1793                }
1794
1795                # -- Stash our current window geometry into this repository.
1796                #
1797                set cfg_geometry [list]
1798                lappend cfg_geometry [wm geometry .]
1799                lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
1800                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
1801                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1802                        set rc_geometry {}
1803                }
1804                if {$cfg_geometry ne $rc_geometry} {
1805                        catch {git config gui.geometry $cfg_geometry}
1806                }
1807        }
1808
1809        destroy .
1810}
1811
1812proc do_rescan {} {
1813        rescan ui_ready
1814}
1815
1816proc do_commit {} {
1817        commit_tree
1818}
1819
1820proc next_diff {} {
1821        global next_diff_p next_diff_w next_diff_i
1822        show_diff $next_diff_p $next_diff_w $next_diff_i
1823}
1824
1825proc toggle_or_diff {w x y} {
1826        global file_states file_lists current_diff_path ui_index ui_workdir
1827        global last_clicked selected_paths
1828
1829        set pos [split [$w index @$x,$y] .]
1830        set lno [lindex $pos 0]
1831        set col [lindex $pos 1]
1832        set path [lindex $file_lists($w) [expr {$lno - 1}]]
1833        if {$path eq {}} {
1834                set last_clicked {}
1835                return
1836        }
1837
1838        set last_clicked [list $w $lno]
1839        array unset selected_paths
1840        $ui_index tag remove in_sel 0.0 end
1841        $ui_workdir tag remove in_sel 0.0 end
1842
1843        # Do not stage files with conflicts
1844        if {[info exists file_states($path)]} {
1845                set state [lindex $file_states($path) 0]
1846                if {[string index $state 0] eq {U}} {
1847                        set col 1
1848                }
1849        }
1850
1851        if {$col == 0 && $y > 1} {
1852                set i [expr {$lno-1}]
1853                set ll [expr {[llength $file_lists($w)]-1}]
1854
1855                if {$i == $ll && $i == 0} {
1856                        set after {reshow_diff;}
1857                } else {
1858                        global next_diff_p next_diff_w next_diff_i
1859
1860                        set next_diff_w $w
1861
1862                        if {$i < $ll} {
1863                                set i [expr {$i + 1}]
1864                                set next_diff_i $i
1865                        } else {
1866                                set next_diff_i $i
1867                                set i [expr {$i - 1}]
1868                        }
1869
1870                        set next_diff_p [lindex $file_lists($w) $i]
1871
1872                        if {$next_diff_p ne {} && $current_diff_path ne {}} {
1873                                set after {next_diff;}
1874                        } else {
1875                                set after {}
1876                        }
1877                }
1878
1879                if {$w eq $ui_index} {
1880                        update_indexinfo \
1881                                "Unstaging [short_path $path] from commit" \
1882                                [list $path] \
1883                                [concat $after [list ui_ready]]
1884                } elseif {$w eq $ui_workdir} {
1885                        update_index \
1886                                "Adding [short_path $path]" \
1887                                [list $path] \
1888                                [concat $after [list ui_ready]]
1889                }
1890        } else {
1891                show_diff $path $w $lno
1892        }
1893}
1894
1895proc add_one_to_selection {w x y} {
1896        global file_lists last_clicked selected_paths
1897
1898        set lno [lindex [split [$w index @$x,$y] .] 0]
1899        set path [lindex $file_lists($w) [expr {$lno - 1}]]
1900        if {$path eq {}} {
1901                set last_clicked {}
1902                return
1903        }
1904
1905        if {$last_clicked ne {}
1906                && [lindex $last_clicked 0] ne $w} {
1907                array unset selected_paths
1908                [lindex $last_clicked 0] tag remove in_sel 0.0 end
1909        }
1910
1911        set last_clicked [list $w $lno]
1912        if {[catch {set in_sel $selected_paths($path)}]} {
1913                set in_sel 0
1914        }
1915        if {$in_sel} {
1916                unset selected_paths($path)
1917                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
1918        } else {
1919                set selected_paths($path) 1
1920                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
1921        }
1922}
1923
1924proc add_range_to_selection {w x y} {
1925        global file_lists last_clicked selected_paths
1926
1927        if {[lindex $last_clicked 0] ne $w} {
1928                toggle_or_diff $w $x $y
1929                return
1930        }
1931
1932        set lno [lindex [split [$w index @$x,$y] .] 0]
1933        set lc [lindex $last_clicked 1]
1934        if {$lc < $lno} {
1935                set begin $lc
1936                set end $lno
1937        } else {
1938                set begin $lno
1939                set end $lc
1940        }
1941
1942        foreach path [lrange $file_lists($w) \
1943                [expr {$begin - 1}] \
1944                [expr {$end - 1}]] {
1945                set selected_paths($path) 1
1946        }
1947        $w tag add in_sel $begin.0 [expr {$end + 1}].0
1948}
1949
1950proc show_more_context {} {
1951        global repo_config
1952        if {$repo_config(gui.diffcontext) < 99} {
1953                incr repo_config(gui.diffcontext)
1954                reshow_diff
1955        }
1956}
1957
1958proc show_less_context {} {
1959        global repo_config
1960        if {$repo_config(gui.diffcontext) > 1} {
1961                incr repo_config(gui.diffcontext) -1
1962                reshow_diff
1963        }
1964}
1965
1966######################################################################
1967##
1968## ui construction
1969
1970load_config 0
1971apply_config
1972set ui_comm {}
1973
1974# -- Menu Bar
1975#
1976menu .mbar -tearoff 0
1977.mbar add cascade -label [mc Repository] -menu .mbar.repository
1978.mbar add cascade -label [mc Edit] -menu .mbar.edit
1979if {[is_enabled branch]} {
1980        .mbar add cascade -label [mc Branch] -menu .mbar.branch
1981}
1982if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1983        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
1984}
1985if {[is_enabled transport]} {
1986        .mbar add cascade -label [mc Merge] -menu .mbar.merge
1987        .mbar add cascade -label [mc Remote] -menu .mbar.remote
1988}
1989. configure -menu .mbar
1990
1991# -- Repository Menu
1992#
1993menu .mbar.repository
1994
1995.mbar.repository add command \
1996        -label [mc "Browse Current Branch's Files"] \
1997        -command {browser::new $current_branch}
1998set ui_browse_current [.mbar.repository index last]
1999.mbar.repository add command \
2000        -label [mc "Browse Branch Files..."] \
2001        -command browser_open::dialog
2002.mbar.repository add separator
2003
2004.mbar.repository add command \
2005        -label [mc "Visualize Current Branch's History"] \
2006        -command {do_gitk $current_branch}
2007set ui_visualize_current [.mbar.repository index last]
2008.mbar.repository add command \
2009        -label [mc "Visualize All Branch History"] \
2010        -command {do_gitk --all}
2011.mbar.repository add separator
2012
2013proc current_branch_write {args} {
2014        global current_branch
2015        .mbar.repository entryconf $::ui_browse_current \
2016                -label [mc "Browse %s's Files" $current_branch]
2017        .mbar.repository entryconf $::ui_visualize_current \
2018                -label [mc "Visualize %s's History" $current_branch]
2019}
2020trace add variable current_branch write current_branch_write
2021
2022if {[is_enabled multicommit]} {
2023        .mbar.repository add command -label [mc "Database Statistics"] \
2024                -command do_stats
2025
2026        .mbar.repository add command -label [mc "Compress Database"] \
2027                -command do_gc
2028
2029        .mbar.repository add command -label [mc "Verify Database"] \
2030                -command do_fsck_objects
2031
2032        .mbar.repository add separator
2033
2034        if {[is_Cygwin]} {
2035                .mbar.repository add command \
2036                        -label [mc "Create Desktop Icon"] \
2037                        -command do_cygwin_shortcut
2038        } elseif {[is_Windows]} {
2039                .mbar.repository add command \
2040                        -label [mc "Create Desktop Icon"] \
2041                        -command do_windows_shortcut
2042        } elseif {[is_MacOSX]} {
2043                .mbar.repository add command \
2044                        -label [mc "Create Desktop Icon"] \
2045                        -command do_macosx_app
2046        }
2047}
2048
2049if {[is_MacOSX]} {
2050        proc ::tk::mac::Quit {args} { do_quit }
2051} else {
2052        .mbar.repository add command -label [mc Quit] \
2053                -command do_quit \
2054                -accelerator $M1T-Q
2055}
2056
2057# -- Edit Menu
2058#
2059menu .mbar.edit
2060.mbar.edit add command -label [mc Undo] \
2061        -command {catch {[focus] edit undo}} \
2062        -accelerator $M1T-Z
2063.mbar.edit add command -label [mc Redo] \
2064        -command {catch {[focus] edit redo}} \
2065        -accelerator $M1T-Y
2066.mbar.edit add separator
2067.mbar.edit add command -label [mc Cut] \
2068        -command {catch {tk_textCut [focus]}} \
2069        -accelerator $M1T-X
2070.mbar.edit add command -label [mc Copy] \
2071        -command {catch {tk_textCopy [focus]}} \
2072        -accelerator $M1T-C
2073.mbar.edit add command -label [mc Paste] \
2074        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2075        -accelerator $M1T-V
2076.mbar.edit add command -label [mc Delete] \
2077        -command {catch {[focus] delete sel.first sel.last}} \
2078        -accelerator Del
2079.mbar.edit add separator
2080.mbar.edit add command -label [mc "Select All"] \
2081        -command {catch {[focus] tag add sel 0.0 end}} \
2082        -accelerator $M1T-A
2083
2084# -- Branch Menu
2085#
2086if {[is_enabled branch]} {
2087        menu .mbar.branch
2088
2089        .mbar.branch add command -label [mc "Create..."] \
2090                -command branch_create::dialog \
2091                -accelerator $M1T-N
2092        lappend disable_on_lock [list .mbar.branch entryconf \
2093                [.mbar.branch index last] -state]
2094
2095        .mbar.branch add command -label [mc "Checkout..."] \
2096                -command branch_checkout::dialog \
2097                -accelerator $M1T-O
2098        lappend disable_on_lock [list .mbar.branch entryconf \
2099                [.mbar.branch index last] -state]
2100
2101        .mbar.branch add command -label [mc "Rename..."] \
2102                -command branch_rename::dialog
2103        lappend disable_on_lock [list .mbar.branch entryconf \
2104                [.mbar.branch index last] -state]
2105
2106        .mbar.branch add command -label [mc "Delete..."] \
2107                -command branch_delete::dialog
2108        lappend disable_on_lock [list .mbar.branch entryconf \
2109                [.mbar.branch index last] -state]
2110
2111        .mbar.branch add command -label [mc "Reset..."] \
2112                -command merge::reset_hard
2113        lappend disable_on_lock [list .mbar.branch entryconf \
2114                [.mbar.branch index last] -state]
2115}
2116
2117# -- Commit Menu
2118#
2119if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2120        menu .mbar.commit
2121
2122        .mbar.commit add radiobutton \
2123                -label [mc "New Commit"] \
2124                -command do_select_commit_type \
2125                -variable selected_commit_type \
2126                -value new
2127        lappend disable_on_lock \
2128                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2129
2130        .mbar.commit add radiobutton \
2131                -label [mc "Amend Last Commit"] \
2132                -command do_select_commit_type \
2133                -variable selected_commit_type \
2134                -value amend
2135        lappend disable_on_lock \
2136                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2137
2138        .mbar.commit add separator
2139
2140        .mbar.commit add command -label [mc Rescan] \
2141                -command do_rescan \
2142                -accelerator F5
2143        lappend disable_on_lock \
2144                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2145
2146        .mbar.commit add command -label [mc "Stage To Commit"] \
2147                -command do_add_selection \
2148                -accelerator $M1T-T
2149        lappend disable_on_lock \
2150                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2151
2152        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2153                -command do_add_all \
2154                -accelerator $M1T-I
2155        lappend disable_on_lock \
2156                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2157
2158        .mbar.commit add command -label [mc "Unstage From Commit"] \
2159                -command do_unstage_selection
2160        lappend disable_on_lock \
2161                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2162
2163        .mbar.commit add command -label [mc "Revert Changes"] \
2164                -command do_revert_selection
2165        lappend disable_on_lock \
2166                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2167
2168        .mbar.commit add separator
2169
2170        .mbar.commit add command -label [mc "Show Less Context"] \
2171                -command show_less_context \
2172                -accelerator $M1T-\-
2173
2174        .mbar.commit add command -label [mc "Show More Context"] \
2175                -command show_more_context \
2176                -accelerator $M1T-=
2177
2178        .mbar.commit add separator
2179
2180        .mbar.commit add command -label [mc "Sign Off"] \
2181                -command do_signoff \
2182                -accelerator $M1T-S
2183
2184        .mbar.commit add command -label [mc Commit@@verb] \
2185                -command do_commit \
2186                -accelerator $M1T-Return
2187        lappend disable_on_lock \
2188                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2189}
2190
2191# -- Merge Menu
2192#
2193if {[is_enabled branch]} {
2194        menu .mbar.merge
2195        .mbar.merge add command -label [mc "Local Merge..."] \
2196                -command merge::dialog \
2197                -accelerator $M1T-M
2198        lappend disable_on_lock \
2199                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2200        .mbar.merge add command -label [mc "Abort Merge..."] \
2201                -command merge::reset_hard
2202        lappend disable_on_lock \
2203                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2204}
2205
2206# -- Transport Menu
2207#
2208if {[is_enabled transport]} {
2209        menu .mbar.remote
2210
2211        .mbar.remote add command \
2212                -label [mc "Push..."] \
2213                -command do_push_anywhere \
2214                -accelerator $M1T-P
2215        .mbar.remote add command \
2216                -label [mc "Delete..."] \
2217                -command remote_branch_delete::dialog
2218}
2219
2220if {[is_MacOSX]} {
2221        # -- Apple Menu (Mac OS X only)
2222        #
2223        .mbar add cascade -label Apple -menu .mbar.apple
2224        menu .mbar.apple
2225
2226        .mbar.apple add command -label [mc "About %s" [appname]] \
2227                -command do_about
2228        .mbar.apple add separator
2229        .mbar.apple add command \
2230                -label [mc "Preferences..."] \
2231                -command do_options \
2232                -accelerator $M1T-,
2233        bind . <$M1B-,> do_options
2234} else {
2235        # -- Edit Menu
2236        #
2237        .mbar.edit add separator
2238        .mbar.edit add command -label [mc "Options..."] \
2239                -command do_options
2240}
2241
2242# -- Help Menu
2243#
2244.mbar add cascade -label [mc Help] -menu .mbar.help
2245menu .mbar.help
2246
2247if {![is_MacOSX]} {
2248        .mbar.help add command -label [mc "About %s" [appname]] \
2249                -command do_about
2250}
2251
2252set browser {}
2253catch {set browser $repo_config(instaweb.browser)}
2254set doc_path [file dirname [gitexec]]
2255set doc_path [file join $doc_path Documentation index.html]
2256
2257if {[is_Cygwin]} {
2258        set doc_path [exec cygpath --mixed $doc_path]
2259}
2260
2261if {$browser eq {}} {
2262        if {[is_MacOSX]} {
2263                set browser open
2264        } elseif {[is_Cygwin]} {
2265                set program_files [file dirname [exec cygpath --windir]]
2266                set program_files [file join $program_files {Program Files}]
2267                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
2268                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
2269                if {[file exists $firefox]} {
2270                        set browser $firefox
2271                } elseif {[file exists $ie]} {
2272                        set browser $ie
2273                }
2274                unset program_files firefox ie
2275        }
2276}
2277
2278if {[file isfile $doc_path]} {
2279        set doc_url "file:$doc_path"
2280} else {
2281        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2282}
2283
2284if {$browser ne {}} {
2285        .mbar.help add command -label [mc "Online Documentation"] \
2286                -command [list exec $browser $doc_url &]
2287}
2288unset browser doc_path doc_url
2289
2290# -- Standard bindings
2291#
2292wm protocol . WM_DELETE_WINDOW do_quit
2293bind all <$M1B-Key-q> do_quit
2294bind all <$M1B-Key-Q> do_quit
2295bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2296bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2297
2298set subcommand_args {}
2299proc usage {} {
2300        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2301        exit 1
2302}
2303
2304# -- Not a normal commit type invocation?  Do that instead!
2305#
2306switch -- $subcommand {
2307browser -
2308blame {
2309        if {$subcommand eq "blame"} {
2310                set subcommand_args {[--line=<num>] rev? path}
2311        } else {
2312                set subcommand_args {rev? path}
2313        }
2314        if {$argv eq {}} usage
2315        set head {}
2316        set path {}
2317        set jump_spec {}
2318        set is_path 0
2319        foreach a $argv {
2320                if {$is_path || [file exists $_prefix$a]} {
2321                        if {$path ne {}} usage
2322                        set path $_prefix$a
2323                        break
2324                } elseif {$a eq {--}} {
2325                        if {$path ne {}} {
2326                                if {$head ne {}} usage
2327                                set head $path
2328                                set path {}
2329                        }
2330                        set is_path 1
2331                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2332                        if {$jump_spec ne {} || $head ne {}} usage
2333                        set jump_spec [list $lnum]
2334                } elseif {$head eq {}} {
2335                        if {$head ne {}} usage
2336                        set head $a
2337                        set is_path 1
2338                } else {
2339                        usage
2340                }
2341        }
2342        unset is_path
2343
2344        if {$head ne {} && $path eq {}} {
2345                set path $_prefix$head
2346                set head {}
2347        }
2348
2349        if {$head eq {}} {
2350                load_current_branch
2351        } else {
2352                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2353                        if {[catch {
2354                                        set head [git rev-parse --verify $head]
2355                                } err]} {
2356                                puts stderr $err
2357                                exit 1
2358                        }
2359                }
2360                set current_branch $head
2361        }
2362
2363        switch -- $subcommand {
2364        browser {
2365                if {$jump_spec ne {}} usage
2366                if {$head eq {}} {
2367                        if {$path ne {} && [file isdirectory $path]} {
2368                                set head $current_branch
2369                        } else {
2370                                set head $path
2371                                set path {}
2372                        }
2373                }
2374                browser::new $head $path
2375        }
2376        blame   {
2377                if {$head eq {} && ![file exists $path]} {
2378                        puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2379                        exit 1
2380                }
2381                blame::new $head $path $jump_spec
2382        }
2383        }
2384        return
2385}
2386citool -
2387gui {
2388        if {[llength $argv] != 0} {
2389                puts -nonewline stderr "usage: $argv0"
2390                if {$subcommand ne {gui}
2391                        && [file tail $argv0] ne "git-$subcommand"} {
2392                        puts -nonewline stderr " $subcommand"
2393                }
2394                puts stderr {}
2395                exit 1
2396        }
2397        # fall through to setup UI for commits
2398}
2399default {
2400        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2401        exit 1
2402}
2403}
2404
2405# -- Branch Control
2406#
2407frame .branch \
2408        -borderwidth 1 \
2409        -relief sunken
2410label .branch.l1 \
2411        -text [mc "Current Branch:"] \
2412        -anchor w \
2413        -justify left
2414label .branch.cb \
2415        -textvariable current_branch \
2416        -anchor w \
2417        -justify left
2418pack .branch.l1 -side left
2419pack .branch.cb -side left -fill x
2420pack .branch -side top -fill x
2421
2422# -- Main Window Layout
2423#
2424panedwindow .vpane -orient horizontal
2425panedwindow .vpane.files -orient vertical
2426.vpane add .vpane.files -sticky nsew -height 100 -width 200
2427pack .vpane -anchor n -side top -fill both -expand 1
2428
2429# -- Index File List
2430#
2431frame .vpane.files.index -height 100 -width 200
2432label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2433        -background lightgreen -foreground black
2434text $ui_index -background white -foreground black \
2435        -borderwidth 0 \
2436        -width 20 -height 10 \
2437        -wrap none \
2438        -cursor $cursor_ptr \
2439        -xscrollcommand {.vpane.files.index.sx set} \
2440        -yscrollcommand {.vpane.files.index.sy set} \
2441        -state disabled
2442scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2443scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2444pack .vpane.files.index.title -side top -fill x
2445pack .vpane.files.index.sx -side bottom -fill x
2446pack .vpane.files.index.sy -side right -fill y
2447pack $ui_index -side left -fill both -expand 1
2448
2449# -- Working Directory File List
2450#
2451frame .vpane.files.workdir -height 100 -width 200
2452label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2453        -background lightsalmon -foreground black
2454text $ui_workdir -background white -foreground black \
2455        -borderwidth 0 \
2456        -width 20 -height 10 \
2457        -wrap none \
2458        -cursor $cursor_ptr \
2459        -xscrollcommand {.vpane.files.workdir.sx set} \
2460        -yscrollcommand {.vpane.files.workdir.sy set} \
2461        -state disabled
2462scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2463scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2464pack .vpane.files.workdir.title -side top -fill x
2465pack .vpane.files.workdir.sx -side bottom -fill x
2466pack .vpane.files.workdir.sy -side right -fill y
2467pack $ui_workdir -side left -fill both -expand 1
2468
2469.vpane.files add .vpane.files.workdir -sticky nsew
2470.vpane.files add .vpane.files.index -sticky nsew
2471
2472foreach i [list $ui_index $ui_workdir] {
2473        rmsel_tag $i
2474        $i tag conf in_diff -background [$i tag cget in_sel -background]
2475}
2476unset i
2477
2478# -- Diff and Commit Area
2479#
2480frame .vpane.lower -height 300 -width 400
2481frame .vpane.lower.commarea
2482frame .vpane.lower.diff -relief sunken -borderwidth 1
2483pack .vpane.lower.diff -fill both -expand 1
2484pack .vpane.lower.commarea -side bottom -fill x
2485.vpane add .vpane.lower -sticky nsew
2486
2487# -- Commit Area Buttons
2488#
2489frame .vpane.lower.commarea.buttons
2490label .vpane.lower.commarea.buttons.l -text {} \
2491        -anchor w \
2492        -justify left
2493pack .vpane.lower.commarea.buttons.l -side top -fill x
2494pack .vpane.lower.commarea.buttons -side left -fill y
2495
2496button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2497        -command do_rescan
2498pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2499lappend disable_on_lock \
2500        {.vpane.lower.commarea.buttons.rescan conf -state}
2501
2502button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2503        -command do_add_all
2504pack .vpane.lower.commarea.buttons.incall -side top -fill x
2505lappend disable_on_lock \
2506        {.vpane.lower.commarea.buttons.incall conf -state}
2507
2508button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2509        -command do_signoff
2510pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2511
2512button .vpane.lower.commarea.buttons.commit -text [mc Commit@@verb] \
2513        -command do_commit
2514pack .vpane.lower.commarea.buttons.commit -side top -fill x
2515lappend disable_on_lock \
2516        {.vpane.lower.commarea.buttons.commit conf -state}
2517
2518button .vpane.lower.commarea.buttons.push -text [mc Push] \
2519        -command do_push_anywhere
2520pack .vpane.lower.commarea.buttons.push -side top -fill x
2521
2522# -- Commit Message Buffer
2523#
2524frame .vpane.lower.commarea.buffer
2525frame .vpane.lower.commarea.buffer.header
2526set ui_comm .vpane.lower.commarea.buffer.t
2527set ui_coml .vpane.lower.commarea.buffer.header.l
2528radiobutton .vpane.lower.commarea.buffer.header.new \
2529        -text [mc "New Commit"] \
2530        -command do_select_commit_type \
2531        -variable selected_commit_type \
2532        -value new
2533lappend disable_on_lock \
2534        [list .vpane.lower.commarea.buffer.header.new conf -state]
2535radiobutton .vpane.lower.commarea.buffer.header.amend \
2536        -text [mc "Amend Last Commit"] \
2537        -command do_select_commit_type \
2538        -variable selected_commit_type \
2539        -value amend
2540lappend disable_on_lock \
2541        [list .vpane.lower.commarea.buffer.header.amend conf -state]
2542label $ui_coml \
2543        -anchor w \
2544        -justify left
2545proc trace_commit_type {varname args} {
2546        global ui_coml commit_type
2547        switch -glob -- $commit_type {
2548        initial       {set txt [mc "Initial Commit Message:"]}
2549        amend         {set txt [mc "Amended Commit Message:"]}
2550        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2551        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2552        merge         {set txt [mc "Merge Commit Message:"]}
2553        *             {set txt [mc "Commit Message:"]}
2554        }
2555        $ui_coml conf -text $txt
2556}
2557trace add variable commit_type write trace_commit_type
2558pack $ui_coml -side left -fill x
2559pack .vpane.lower.commarea.buffer.header.amend -side right
2560pack .vpane.lower.commarea.buffer.header.new -side right
2561
2562text $ui_comm -background white -foreground black \
2563        -borderwidth 1 \
2564        -undo true \
2565        -maxundo 20 \
2566        -autoseparators true \
2567        -relief sunken \
2568        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2569        -font font_diff \
2570        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2571scrollbar .vpane.lower.commarea.buffer.sby \
2572        -command [list $ui_comm yview]
2573pack .vpane.lower.commarea.buffer.header -side top -fill x
2574pack .vpane.lower.commarea.buffer.sby -side right -fill y
2575pack $ui_comm -side left -fill y
2576pack .vpane.lower.commarea.buffer -side left -fill y
2577
2578# -- Commit Message Buffer Context Menu
2579#
2580set ctxm .vpane.lower.commarea.buffer.ctxm
2581menu $ctxm -tearoff 0
2582$ctxm add command \
2583        -label [mc Cut] \
2584        -command {tk_textCut $ui_comm}
2585$ctxm add command \
2586        -label [mc Copy] \
2587        -command {tk_textCopy $ui_comm}
2588$ctxm add command \
2589        -label [mc Paste] \
2590        -command {tk_textPaste $ui_comm}
2591$ctxm add command \
2592        -label [mc Delete] \
2593        -command {$ui_comm delete sel.first sel.last}
2594$ctxm add separator
2595$ctxm add command \
2596        -label [mc "Select All"] \
2597        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2598$ctxm add command \
2599        -label [mc "Copy All"] \
2600        -command {
2601                $ui_comm tag add sel 0.0 end
2602                tk_textCopy $ui_comm
2603                $ui_comm tag remove sel 0.0 end
2604        }
2605$ctxm add separator
2606$ctxm add command \
2607        -label [mc "Sign Off"] \
2608        -command do_signoff
2609set ui_comm_ctxm $ctxm
2610
2611# -- Diff Header
2612#
2613proc trace_current_diff_path {varname args} {
2614        global current_diff_path diff_actions file_states
2615        if {$current_diff_path eq {}} {
2616                set s {}
2617                set f {}
2618                set p {}
2619                set o disabled
2620        } else {
2621                set p $current_diff_path
2622                set s [mapdesc [lindex $file_states($p) 0] $p]
2623                set f [mc "File:"]
2624                set p [escape_path $p]
2625                set o normal
2626        }
2627
2628        .vpane.lower.diff.header.status configure -text $s
2629        .vpane.lower.diff.header.file configure -text $f
2630        .vpane.lower.diff.header.path configure -text $p
2631        foreach w $diff_actions {
2632                uplevel #0 $w $o
2633        }
2634}
2635trace add variable current_diff_path write trace_current_diff_path
2636
2637frame .vpane.lower.diff.header -background gold
2638label .vpane.lower.diff.header.status \
2639        -background gold \
2640        -foreground black \
2641        -width $max_status_desc \
2642        -anchor w \
2643        -justify left
2644label .vpane.lower.diff.header.file \
2645        -background gold \
2646        -foreground black \
2647        -anchor w \
2648        -justify left
2649label .vpane.lower.diff.header.path \
2650        -background gold \
2651        -foreground black \
2652        -anchor w \
2653        -justify left
2654pack .vpane.lower.diff.header.status -side left
2655pack .vpane.lower.diff.header.file -side left
2656pack .vpane.lower.diff.header.path -fill x
2657set ctxm .vpane.lower.diff.header.ctxm
2658menu $ctxm -tearoff 0
2659$ctxm add command \
2660        -label [mc Copy] \
2661        -command {
2662                clipboard clear
2663                clipboard append \
2664                        -format STRING \
2665                        -type STRING \
2666                        -- $current_diff_path
2667        }
2668lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2669bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
2670
2671# -- Diff Body
2672#
2673frame .vpane.lower.diff.body
2674set ui_diff .vpane.lower.diff.body.t
2675text $ui_diff -background white -foreground black \
2676        -borderwidth 0 \
2677        -width 80 -height 15 -wrap none \
2678        -font font_diff \
2679        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2680        -yscrollcommand {.vpane.lower.diff.body.sby set} \
2681        -state disabled
2682scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2683        -command [list $ui_diff xview]
2684scrollbar .vpane.lower.diff.body.sby -orient vertical \
2685        -command [list $ui_diff yview]
2686pack .vpane.lower.diff.body.sbx -side bottom -fill x
2687pack .vpane.lower.diff.body.sby -side right -fill y
2688pack $ui_diff -side left -fill both -expand 1
2689pack .vpane.lower.diff.header -side top -fill x
2690pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2691
2692$ui_diff tag conf d_cr -elide true
2693$ui_diff tag conf d_@ -foreground blue -font font_diffbold
2694$ui_diff tag conf d_+ -foreground {#00a000}
2695$ui_diff tag conf d_- -foreground red
2696
2697$ui_diff tag conf d_++ -foreground {#00a000}
2698$ui_diff tag conf d_-- -foreground red
2699$ui_diff tag conf d_+s \
2700        -foreground {#00a000} \
2701        -background {#e2effa}
2702$ui_diff tag conf d_-s \
2703        -foreground red \
2704        -background {#e2effa}
2705$ui_diff tag conf d_s+ \
2706        -foreground {#00a000} \
2707        -background ivory1
2708$ui_diff tag conf d_s- \
2709        -foreground red \
2710        -background ivory1
2711
2712$ui_diff tag conf d<<<<<<< \
2713        -foreground orange \
2714        -font font_diffbold
2715$ui_diff tag conf d======= \
2716        -foreground orange \
2717        -font font_diffbold
2718$ui_diff tag conf d>>>>>>> \
2719        -foreground orange \
2720        -font font_diffbold
2721
2722$ui_diff tag raise sel
2723
2724# -- Diff Body Context Menu
2725#
2726
2727proc create_common_diff_popup {ctxm} {
2728        $ctxm add command \
2729                -label [mc "Show Less Context"] \
2730                -command show_less_context
2731        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2732        $ctxm add command \
2733                -label [mc "Show More Context"] \
2734                -command show_more_context
2735        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2736        $ctxm add separator
2737        $ctxm add command \
2738                -label [mc Refresh] \
2739                -command reshow_diff
2740        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2741        $ctxm add command \
2742                -label [mc Copy] \
2743                -command {tk_textCopy $ui_diff}
2744        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2745        $ctxm add command \
2746                -label [mc "Select All"] \
2747                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
2748        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2749        $ctxm add command \
2750                -label [mc "Copy All"] \
2751                -command {
2752                        $ui_diff tag add sel 0.0 end
2753                        tk_textCopy $ui_diff
2754                        $ui_diff tag remove sel 0.0 end
2755                }
2756        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2757        $ctxm add separator
2758        $ctxm add command \
2759                -label [mc "Decrease Font Size"] \
2760                -command {incr_font_size font_diff -1}
2761        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2762        $ctxm add command \
2763                -label [mc "Increase Font Size"] \
2764                -command {incr_font_size font_diff 1}
2765        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2766        $ctxm add separator
2767        $ctxm add command -label [mc "Options..."] \
2768                -command do_options
2769}
2770
2771set ctxm .vpane.lower.diff.body.ctxm
2772menu $ctxm -tearoff 0
2773$ctxm add command \
2774        -label [mc "Apply/Reverse Hunk"] \
2775        -command {apply_hunk $cursorX $cursorY}
2776set ui_diff_applyhunk [$ctxm index last]
2777lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
2778$ctxm add command \
2779        -label [mc "Apply/Reverse Line"] \
2780        -command {apply_line $cursorX $cursorY; do_rescan}
2781set ui_diff_applyline [$ctxm index last]
2782lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
2783$ctxm add separator
2784create_common_diff_popup $ctxm
2785
2786set ctxmmg .vpane.lower.diff.body.ctxmmg
2787menu $ctxmmg -tearoff 0
2788$ctxmmg add command \
2789        -label [mc "Run Merge Tool"] \
2790        -command {merge_resolve_tool}
2791lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
2792$ctxmmg add separator
2793$ctxmmg add command \
2794        -label [mc "Use Remote Version"] \
2795        -command {merge_resolve_one 3}
2796lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
2797$ctxmmg add command \
2798        -label [mc "Use Local Version"] \
2799        -command {merge_resolve_one 2}
2800lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
2801$ctxmmg add command \
2802        -label [mc "Revert To Base"] \
2803        -command {merge_resolve_one 1}
2804lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
2805$ctxmmg add separator
2806create_common_diff_popup $ctxmmg
2807
2808proc popup_diff_menu {ctxm ctxmmg x y X Y} {
2809        global current_diff_path file_states
2810        set ::cursorX $x
2811        set ::cursorY $y
2812        if {[info exists file_states($current_diff_path)]} {
2813                set state [lindex $file_states($current_diff_path) 0]
2814        } else {
2815                set state {__}
2816        }
2817        if {[string index $state 0] eq {U}} {
2818                tk_popup $ctxmmg $X $Y
2819        } else {
2820                if {$::ui_index eq $::current_diff_side} {
2821                        set l [mc "Unstage Hunk From Commit"]
2822                        set t [mc "Unstage Line From Commit"]
2823                } else {
2824                        set l [mc "Stage Hunk For Commit"]
2825                        set t [mc "Stage Line For Commit"]
2826                }
2827                if {$::is_3way_diff
2828                        || $current_diff_path eq {}
2829                        || {__} eq $state
2830                        || {_O} eq $state
2831                        || {_T} eq $state
2832                        || {T_} eq $state} {
2833                        set s disabled
2834                } else {
2835                        set s normal
2836                }
2837                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
2838                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
2839                tk_popup $ctxm $X $Y
2840        }
2841}
2842bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
2843
2844# -- Status Bar
2845#
2846set main_status [::status_bar::new .status]
2847pack .status -anchor w -side bottom -fill x
2848$main_status show [mc "Initializing..."]
2849
2850# -- Load geometry
2851#
2852catch {
2853set gm $repo_config(gui.geometry)
2854wm geometry . [lindex $gm 0]
2855.vpane sash place 0 \
2856        [lindex $gm 1] \
2857        [lindex [.vpane sash coord 0] 1]
2858.vpane.files sash place 0 \
2859        [lindex [.vpane.files sash coord 0] 0] \
2860        [lindex $gm 2]
2861unset gm
2862}
2863
2864# -- Key Bindings
2865#
2866bind $ui_comm <$M1B-Key-Return> {do_commit;break}
2867bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
2868bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
2869bind $ui_comm <$M1B-Key-i> {do_add_all;break}
2870bind $ui_comm <$M1B-Key-I> {do_add_all;break}
2871bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
2872bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
2873bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
2874bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
2875bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
2876bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
2877bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2878bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2879bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
2880bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
2881bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
2882bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
2883bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
2884
2885bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
2886bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
2887bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
2888bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
2889bind $ui_diff <$M1B-Key-v> {break}
2890bind $ui_diff <$M1B-Key-V> {break}
2891bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2892bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2893bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
2894bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
2895bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
2896bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
2897bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
2898bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
2899bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
2900bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
2901bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
2902bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
2903bind $ui_diff <Button-1>   {focus %W}
2904
2905if {[is_enabled branch]} {
2906        bind . <$M1B-Key-n> branch_create::dialog
2907        bind . <$M1B-Key-N> branch_create::dialog
2908        bind . <$M1B-Key-o> branch_checkout::dialog
2909        bind . <$M1B-Key-O> branch_checkout::dialog
2910        bind . <$M1B-Key-m> merge::dialog
2911        bind . <$M1B-Key-M> merge::dialog
2912}
2913if {[is_enabled transport]} {
2914        bind . <$M1B-Key-p> do_push_anywhere
2915        bind . <$M1B-Key-P> do_push_anywhere
2916}
2917
2918bind .   <Key-F5>     do_rescan
2919bind .   <$M1B-Key-r> do_rescan
2920bind .   <$M1B-Key-R> do_rescan
2921bind .   <$M1B-Key-s> do_signoff
2922bind .   <$M1B-Key-S> do_signoff
2923bind .   <$M1B-Key-t> do_add_selection
2924bind .   <$M1B-Key-T> do_add_selection
2925bind .   <$M1B-Key-i> do_add_all
2926bind .   <$M1B-Key-I> do_add_all
2927bind .   <$M1B-Key-minus> {show_less_context;break}
2928bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
2929bind .   <$M1B-Key-equal> {show_more_context;break}
2930bind .   <$M1B-Key-plus> {show_more_context;break}
2931bind .   <$M1B-Key-KP_Add> {show_more_context;break}
2932bind .   <$M1B-Key-Return> do_commit
2933foreach i [list $ui_index $ui_workdir] {
2934        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
2935        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
2936        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
2937}
2938unset i
2939
2940set file_lists($ui_index) [list]
2941set file_lists($ui_workdir) [list]
2942
2943wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
2944focus -force $ui_comm
2945
2946# -- Warn the user about environmental problems.  Cygwin's Tcl
2947#    does *not* pass its env array onto any processes it spawns.
2948#    This means that git processes get none of our environment.
2949#
2950if {[is_Cygwin]} {
2951        set ignored_env 0
2952        set suggest_user {}
2953        set msg [mc "Possible environment issues exist.
2954
2955The following environment variables are probably
2956going to be ignored by any Git subprocess run
2957by %s:
2958
2959" [appname]]
2960        foreach name [array names env] {
2961                switch -regexp -- $name {
2962                {^GIT_INDEX_FILE$} -
2963                {^GIT_OBJECT_DIRECTORY$} -
2964                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
2965                {^GIT_DIFF_OPTS$} -
2966                {^GIT_EXTERNAL_DIFF$} -
2967                {^GIT_PAGER$} -
2968                {^GIT_TRACE$} -
2969                {^GIT_CONFIG$} -
2970                {^GIT_CONFIG_LOCAL$} -
2971                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
2972                        append msg " - $name\n"
2973                        incr ignored_env
2974                }
2975                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
2976                        append msg " - $name\n"
2977                        incr ignored_env
2978                        set suggest_user $name
2979                }
2980                }
2981        }
2982        if {$ignored_env > 0} {
2983                append msg [mc "
2984This is due to a known issue with the
2985Tcl binary distributed by Cygwin."]
2986
2987                if {$suggest_user ne {}} {
2988                        append msg [mc "
2989
2990A good replacement for %s
2991is placing values for the user.name and
2992user.email settings into your personal
2993~/.gitconfig file.
2994" $suggest_user]
2995                }
2996                warn_popup $msg
2997        }
2998        unset ignored_env msg suggest_user name
2999}
3000
3001# -- Only initialize complex UI if we are going to stay running.
3002#
3003if {[is_enabled transport]} {
3004        load_all_remotes
3005
3006        set n [.mbar.remote index end]
3007        populate_push_menu
3008        populate_fetch_menu
3009        set n [expr {[.mbar.remote index end] - $n}]
3010        if {$n > 0} {
3011                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3012                .mbar.remote insert $n separator
3013        }
3014        unset n
3015}
3016
3017if {[winfo exists $ui_comm]} {
3018        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3019
3020        # -- If both our backup and message files exist use the
3021        #    newer of the two files to initialize the buffer.
3022        #
3023        if {$GITGUI_BCK_exists} {
3024                set m [gitdir GITGUI_MSG]
3025                if {[file isfile $m]} {
3026                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3027                                catch {file delete [gitdir GITGUI_MSG]}
3028                        } else {
3029                                $ui_comm delete 0.0 end
3030                                $ui_comm edit reset
3031                                $ui_comm edit modified false
3032                                catch {file delete [gitdir GITGUI_BCK]}
3033                                set GITGUI_BCK_exists 0
3034                        }
3035                }
3036                unset m
3037        }
3038
3039        proc backup_commit_buffer {} {
3040                global ui_comm GITGUI_BCK_exists
3041
3042                set m [$ui_comm edit modified]
3043                if {$m || $GITGUI_BCK_exists} {
3044                        set msg [string trim [$ui_comm get 0.0 end]]
3045                        regsub -all -line {[ \r\t]+$} $msg {} msg
3046
3047                        if {$msg eq {}} {
3048                                if {$GITGUI_BCK_exists} {
3049                                        catch {file delete [gitdir GITGUI_BCK]}
3050                                        set GITGUI_BCK_exists 0
3051                                }
3052                        } elseif {$m} {
3053                                catch {
3054                                        set fd [open [gitdir GITGUI_BCK] w]
3055                                        puts -nonewline $fd $msg
3056                                        close $fd
3057                                        set GITGUI_BCK_exists 1
3058                                }
3059                        }
3060
3061                        $ui_comm edit modified false
3062                }
3063
3064                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3065        }
3066
3067        backup_commit_buffer
3068
3069        # -- If the user has aspell available we can drive it
3070        #    in pipe mode to spellcheck the commit message.
3071        #
3072        set spell_cmd [list |]
3073        set spell_dict [get_config gui.spellingdictionary]
3074        lappend spell_cmd aspell
3075        if {$spell_dict ne {}} {
3076                lappend spell_cmd --master=$spell_dict
3077        }
3078        lappend spell_cmd --mode=none
3079        lappend spell_cmd --encoding=utf-8
3080        lappend spell_cmd pipe
3081        if {$spell_dict eq {none}
3082         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3083                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3084        } else {
3085                set ui_comm_spell [spellcheck::init \
3086                        $spell_fd \
3087                        $ui_comm \
3088                        $ui_comm_ctxm \
3089                ]
3090        }
3091        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3092}
3093
3094lock_index begin-read
3095if {![winfo ismapped .]} {
3096        wm deiconify .
3097}
3098after 1 do_rescan
3099if {[is_enabled multicommit]} {
3100        after 1000 hint_gc
3101}