Andrew's git / gitweb.git / git-gui.sh
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git-gui.shon commit git-gui (Win): make "Explore Working Copy" more robust (454efb4)
   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 _githtmldir {}
 126set _reponame {}
 127set _iscygwin {}
 128set _search_path {}
 129
 130set _trace [lsearch -exact $argv --trace]
 131if {$_trace >= 0} {
 132        set argv [lreplace $argv $_trace $_trace]
 133        set _trace 1
 134} else {
 135        set _trace 0
 136}
 137
 138proc appname {} {
 139        global _appname
 140        return $_appname
 141}
 142
 143proc gitdir {args} {
 144        global _gitdir
 145        if {$args eq {}} {
 146                return $_gitdir
 147        }
 148        return [eval [list file join $_gitdir] $args]
 149}
 150
 151proc gitexec {args} {
 152        global _gitexec
 153        if {$_gitexec eq {}} {
 154                if {[catch {set _gitexec [git --exec-path]} err]} {
 155                        error "Git not installed?\n\n$err"
 156                }
 157                if {[is_Cygwin]} {
 158                        set _gitexec [exec cygpath \
 159                                --windows \
 160                                --absolute \
 161                                $_gitexec]
 162                } else {
 163                        set _gitexec [file normalize $_gitexec]
 164                }
 165        }
 166        if {$args eq {}} {
 167                return $_gitexec
 168        }
 169        return [eval [list file join $_gitexec] $args]
 170}
 171
 172proc githtmldir {args} {
 173        global _githtmldir
 174        if {$_githtmldir eq {}} {
 175                if {[catch {set _githtmldir [git --html-path]}]} {
 176                        # Git not installed or option not yet supported
 177                        return {}
 178                }
 179                if {[is_Cygwin]} {
 180                        set _githtmldir [exec cygpath \
 181                                --windows \
 182                                --absolute \
 183                                $_githtmldir]
 184                } else {
 185                        set _githtmldir [file normalize $_githtmldir]
 186                }
 187        }
 188        if {$args eq {}} {
 189                return $_githtmldir
 190        }
 191        return [eval [list file join $_githtmldir] $args]
 192}
 193
 194proc reponame {} {
 195        return $::_reponame
 196}
 197
 198proc is_MacOSX {} {
 199        if {[tk windowingsystem] eq {aqua}} {
 200                return 1
 201        }
 202        return 0
 203}
 204
 205proc is_Windows {} {
 206        if {$::tcl_platform(platform) eq {windows}} {
 207                return 1
 208        }
 209        return 0
 210}
 211
 212proc is_Cygwin {} {
 213        global _iscygwin
 214        if {$_iscygwin eq {}} {
 215                if {$::tcl_platform(platform) eq {windows}} {
 216                        if {[catch {set p [exec cygpath --windir]} err]} {
 217                                set _iscygwin 0
 218                        } else {
 219                                set _iscygwin 1
 220                        }
 221                } else {
 222                        set _iscygwin 0
 223                }
 224        }
 225        return $_iscygwin
 226}
 227
 228proc is_enabled {option} {
 229        global enabled_options
 230        if {[catch {set on $enabled_options($option)}]} {return 0}
 231        return $on
 232}
 233
 234proc enable_option {option} {
 235        global enabled_options
 236        set enabled_options($option) 1
 237}
 238
 239proc disable_option {option} {
 240        global enabled_options
 241        set enabled_options($option) 0
 242}
 243
 244######################################################################
 245##
 246## config
 247
 248proc is_many_config {name} {
 249        switch -glob -- $name {
 250        gui.recentrepo -
 251        remote.*.fetch -
 252        remote.*.push
 253                {return 1}
 254        *
 255                {return 0}
 256        }
 257}
 258
 259proc is_config_true {name} {
 260        global repo_config
 261        if {[catch {set v $repo_config($name)}]} {
 262                return 0
 263        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 264                return 1
 265        } else {
 266                return 0
 267        }
 268}
 269
 270proc get_config {name} {
 271        global repo_config
 272        if {[catch {set v $repo_config($name)}]} {
 273                return {}
 274        } else {
 275                return $v
 276        }
 277}
 278
 279######################################################################
 280##
 281## handy utils
 282
 283proc _trace_exec {cmd} {
 284        if {!$::_trace} return
 285        set d {}
 286        foreach v $cmd {
 287                if {$d ne {}} {
 288                        append d { }
 289                }
 290                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 291                        set v [sq $v]
 292                }
 293                append d $v
 294        }
 295        puts stderr $d
 296}
 297
 298proc _git_cmd {name} {
 299        global _git_cmd_path
 300
 301        if {[catch {set v $_git_cmd_path($name)}]} {
 302                switch -- $name {
 303                  version   -
 304                --version   -
 305                --exec-path { return [list $::_git $name] }
 306                }
 307
 308                set p [gitexec git-$name$::_search_exe]
 309                if {[file exists $p]} {
 310                        set v [list $p]
 311                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 312                        # Try to determine what sort of magic will make
 313                        # git-$name go and do its thing, because native
 314                        # Tcl on Windows doesn't know it.
 315                        #
 316                        set p [gitexec git-$name]
 317                        set f [open $p r]
 318                        set s [gets $f]
 319                        close $f
 320
 321                        switch -glob -- [lindex $s 0] {
 322                        #!*sh     { set i sh     }
 323                        #!*perl   { set i perl   }
 324                        #!*python { set i python }
 325                        default   { error "git-$name is not supported: $s" }
 326                        }
 327
 328                        upvar #0 _$i interp
 329                        if {![info exists interp]} {
 330                                set interp [_which $i]
 331                        }
 332                        if {$interp eq {}} {
 333                                error "git-$name requires $i (not in PATH)"
 334                        }
 335                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 336                } else {
 337                        # Assume it is builtin to git somehow and we
 338                        # aren't actually able to see a file for it.
 339                        #
 340                        set v [list $::_git $name]
 341                }
 342                set _git_cmd_path($name) $v
 343        }
 344        return $v
 345}
 346
 347proc _which {what args} {
 348        global env _search_exe _search_path
 349
 350        if {$_search_path eq {}} {
 351                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 352                        set _search_path [split [exec cygpath \
 353                                --windows \
 354                                --path \
 355                                --absolute \
 356                                $env(PATH)] {;}]
 357                        set _search_exe .exe
 358                } elseif {[is_Windows]} {
 359                        set gitguidir [file dirname [info script]]
 360                        regsub -all ";" $gitguidir "\\;" gitguidir
 361                        set env(PATH) "$gitguidir;$env(PATH)"
 362                        set _search_path [split $env(PATH) {;}]
 363                        set _search_exe .exe
 364                } else {
 365                        set _search_path [split $env(PATH) :]
 366                        set _search_exe {}
 367                }
 368        }
 369
 370        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 371                set suffix {}
 372        } else {
 373                set suffix $_search_exe
 374        }
 375
 376        foreach p $_search_path {
 377                set p [file join $p $what$suffix]
 378                if {[file exists $p]} {
 379                        return [file normalize $p]
 380                }
 381        }
 382        return {}
 383}
 384
 385proc _lappend_nice {cmd_var} {
 386        global _nice
 387        upvar $cmd_var cmd
 388
 389        if {![info exists _nice]} {
 390                set _nice [_which nice]
 391        }
 392        if {$_nice ne {}} {
 393                lappend cmd $_nice
 394        }
 395}
 396
 397proc git {args} {
 398        set opt [list]
 399
 400        while {1} {
 401                switch -- [lindex $args 0] {
 402                --nice {
 403                        _lappend_nice opt
 404                }
 405
 406                default {
 407                        break
 408                }
 409
 410                }
 411
 412                set args [lrange $args 1 end]
 413        }
 414
 415        set cmdp [_git_cmd [lindex $args 0]]
 416        set args [lrange $args 1 end]
 417
 418        _trace_exec [concat $opt $cmdp $args]
 419        set result [eval exec $opt $cmdp $args]
 420        if {$::_trace} {
 421                puts stderr "< $result"
 422        }
 423        return $result
 424}
 425
 426proc _open_stdout_stderr {cmd} {
 427        _trace_exec $cmd
 428        if {[catch {
 429                        set fd [open [concat [list | ] $cmd] r]
 430                } err]} {
 431                if {   [lindex $cmd end] eq {2>@1}
 432                    && $err eq {can not find channel named "1"}
 433                        } {
 434                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 435                        # redirect operator.  Fallback to |& cat for those.
 436                        # The command was not actually started, so its safe
 437                        # to try to start it a second time.
 438                        #
 439                        set fd [open [concat \
 440                                [list | ] \
 441                                [lrange $cmd 0 end-1] \
 442                                [list |& cat] \
 443                                ] r]
 444                } else {
 445                        error $err
 446                }
 447        }
 448        fconfigure $fd -eofchar {}
 449        return $fd
 450}
 451
 452proc git_read {args} {
 453        set opt [list]
 454
 455        while {1} {
 456                switch -- [lindex $args 0] {
 457                --nice {
 458                        _lappend_nice opt
 459                }
 460
 461                --stderr {
 462                        lappend args 2>@1
 463                }
 464
 465                default {
 466                        break
 467                }
 468
 469                }
 470
 471                set args [lrange $args 1 end]
 472        }
 473
 474        set cmdp [_git_cmd [lindex $args 0]]
 475        set args [lrange $args 1 end]
 476
 477        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 478}
 479
 480proc git_write {args} {
 481        set opt [list]
 482
 483        while {1} {
 484                switch -- [lindex $args 0] {
 485                --nice {
 486                        _lappend_nice opt
 487                }
 488
 489                default {
 490                        break
 491                }
 492
 493                }
 494
 495                set args [lrange $args 1 end]
 496        }
 497
 498        set cmdp [_git_cmd [lindex $args 0]]
 499        set args [lrange $args 1 end]
 500
 501        _trace_exec [concat $opt $cmdp $args]
 502        return [open [concat [list | ] $opt $cmdp $args] w]
 503}
 504
 505proc githook_read {hook_name args} {
 506        set pchook [gitdir hooks $hook_name]
 507        lappend args 2>@1
 508
 509        # On Windows [file executable] might lie so we need to ask
 510        # the shell if the hook is executable.  Yes that's annoying.
 511        #
 512        if {[is_Windows]} {
 513                upvar #0 _sh interp
 514                if {![info exists interp]} {
 515                        set interp [_which sh]
 516                }
 517                if {$interp eq {}} {
 518                        error "hook execution requires sh (not in PATH)"
 519                }
 520
 521                set scr {if test -x "$1";then exec "$@";fi}
 522                set sh_c [list $interp -c $scr $interp $pchook]
 523                return [_open_stdout_stderr [concat $sh_c $args]]
 524        }
 525
 526        if {[file executable $pchook]} {
 527                return [_open_stdout_stderr [concat [list $pchook] $args]]
 528        }
 529
 530        return {}
 531}
 532
 533proc kill_file_process {fd} {
 534        set process [pid $fd]
 535
 536        catch {
 537                if {[is_Windows]} {
 538                        # Use a Cygwin-specific flag to allow killing
 539                        # native Windows processes
 540                        exec kill -f $process
 541                } else {
 542                        exec kill $process
 543                }
 544        }
 545}
 546
 547proc gitattr {path attr default} {
 548        if {[catch {set r [git check-attr $attr -- $path]}]} {
 549                set r unspecified
 550        } else {
 551                set r [join [lrange [split $r :] 2 end] :]
 552                regsub {^ } $r {} r
 553        }
 554        if {$r eq {unspecified}} {
 555                return $default
 556        }
 557        return $r
 558}
 559
 560proc sq {value} {
 561        regsub -all ' $value "'\\''" value
 562        return "'$value'"
 563}
 564
 565proc load_current_branch {} {
 566        global current_branch is_detached
 567
 568        set fd [open [gitdir HEAD] r]
 569        if {[gets $fd ref] < 1} {
 570                set ref {}
 571        }
 572        close $fd
 573
 574        set pfx {ref: refs/heads/}
 575        set len [string length $pfx]
 576        if {[string equal -length $len $pfx $ref]} {
 577                # We're on a branch.  It might not exist.  But
 578                # HEAD looks good enough to be a branch.
 579                #
 580                set current_branch [string range $ref $len end]
 581                set is_detached 0
 582        } else {
 583                # Assume this is a detached head.
 584                #
 585                set current_branch HEAD
 586                set is_detached 1
 587        }
 588}
 589
 590auto_load tk_optionMenu
 591rename tk_optionMenu real__tkOptionMenu
 592proc tk_optionMenu {w varName args} {
 593        set m [eval real__tkOptionMenu $w $varName $args]
 594        $m configure -font font_ui
 595        $w configure -font font_ui
 596        return $m
 597}
 598
 599proc rmsel_tag {text} {
 600        $text tag conf sel \
 601                -background [$text cget -background] \
 602                -foreground [$text cget -foreground] \
 603                -borderwidth 0
 604        $text tag conf in_sel -background lightgray
 605        bind $text <Motion> break
 606        return $text
 607}
 608
 609set root_exists 0
 610bind . <Visibility> {
 611        bind . <Visibility> {}
 612        set root_exists 1
 613}
 614
 615if {[is_Windows]} {
 616        wm iconbitmap . -default $oguilib/git-gui.ico
 617        set ::tk::AlwaysShowSelection 1
 618
 619        # Spoof an X11 display for SSH
 620        if {![info exists env(DISPLAY)]} {
 621                set env(DISPLAY) :9999
 622        }
 623} else {
 624        catch {
 625                image create photo gitlogo -width 16 -height 16
 626
 627                gitlogo put #33CC33 -to  7  0  9  2
 628                gitlogo put #33CC33 -to  4  2 12  4
 629                gitlogo put #33CC33 -to  7  4  9  6
 630                gitlogo put #CC3333 -to  4  6 12  8
 631                gitlogo put gray26  -to  4  9  6 10
 632                gitlogo put gray26  -to  3 10  6 12
 633                gitlogo put gray26  -to  8  9 13 11
 634                gitlogo put gray26  -to  8 11 10 12
 635                gitlogo put gray26  -to 11 11 13 14
 636                gitlogo put gray26  -to  3 12  5 14
 637                gitlogo put gray26  -to  5 13
 638                gitlogo put gray26  -to 10 13
 639                gitlogo put gray26  -to  4 14 12 15
 640                gitlogo put gray26  -to  5 15 11 16
 641                gitlogo redither
 642
 643                wm iconphoto . -default gitlogo
 644        }
 645}
 646
 647######################################################################
 648##
 649## config defaults
 650
 651set cursor_ptr arrow
 652font create font_diff -family Courier -size 10
 653font create font_ui
 654catch {
 655        label .dummy
 656        eval font configure font_ui [font actual [.dummy cget -font]]
 657        destroy .dummy
 658}
 659
 660font create font_uiitalic
 661font create font_uibold
 662font create font_diffbold
 663font create font_diffitalic
 664
 665foreach class {Button Checkbutton Entry Label
 666                Labelframe Listbox Menu Message
 667                Radiobutton Spinbox Text} {
 668        option add *$class.font font_ui
 669}
 670unset class
 671
 672if {[is_Windows] || [is_MacOSX]} {
 673        option add *Menu.tearOff 0
 674}
 675
 676if {[is_MacOSX]} {
 677        set M1B M1
 678        set M1T Cmd
 679} else {
 680        set M1B Control
 681        set M1T Ctrl
 682}
 683
 684proc bind_button3 {w cmd} {
 685        bind $w <Any-Button-3> $cmd
 686        if {[is_MacOSX]} {
 687                # Mac OS X sends Button-2 on right click through three-button mouse,
 688                # or through trackpad right-clicking (two-finger touch + click).
 689                bind $w <Any-Button-2> $cmd
 690                bind $w <Control-Button-1> $cmd
 691        }
 692}
 693
 694proc apply_config {} {
 695        global repo_config font_descs
 696
 697        foreach option $font_descs {
 698                set name [lindex $option 0]
 699                set font [lindex $option 1]
 700                if {[catch {
 701                        set need_weight 1
 702                        foreach {cn cv} $repo_config(gui.$name) {
 703                                if {$cn eq {-weight}} {
 704                                        set need_weight 0
 705                                }
 706                                font configure $font $cn $cv
 707                        }
 708                        if {$need_weight} {
 709                                font configure $font -weight normal
 710                        }
 711                        } err]} {
 712                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 713                }
 714                foreach {cn cv} [font configure $font] {
 715                        font configure ${font}bold $cn $cv
 716                        font configure ${font}italic $cn $cv
 717                }
 718                font configure ${font}bold -weight bold
 719                font configure ${font}italic -slant italic
 720        }
 721}
 722
 723set default_config(branch.autosetupmerge) true
 724set default_config(merge.tool) {}
 725set default_config(merge.keepbackup) true
 726set default_config(merge.diffstat) true
 727set default_config(merge.summary) false
 728set default_config(merge.verbosity) 2
 729set default_config(user.name) {}
 730set default_config(user.email) {}
 731
 732set default_config(gui.encoding) [encoding system]
 733set default_config(gui.matchtrackingbranch) false
 734set default_config(gui.pruneduringfetch) false
 735set default_config(gui.trustmtime) false
 736set default_config(gui.fastcopyblame) false
 737set default_config(gui.copyblamethreshold) 40
 738set default_config(gui.blamehistoryctx) 7
 739set default_config(gui.diffcontext) 5
 740set default_config(gui.commitmsgwidth) 75
 741set default_config(gui.newbranchtemplate) {}
 742set default_config(gui.spellingdictionary) {}
 743set default_config(gui.fontui) [font configure font_ui]
 744set default_config(gui.fontdiff) [font configure font_diff]
 745set font_descs {
 746        {fontui   font_ui   {mc "Main Font"}}
 747        {fontdiff font_diff {mc "Diff/Console Font"}}
 748}
 749
 750######################################################################
 751##
 752## find git
 753
 754set _git  [_which git]
 755if {$_git eq {}} {
 756        catch {wm withdraw .}
 757        tk_messageBox \
 758                -icon error \
 759                -type ok \
 760                -title [mc "git-gui: fatal error"] \
 761                -message [mc "Cannot find git in PATH."]
 762        exit 1
 763}
 764
 765######################################################################
 766##
 767## version check
 768
 769if {[catch {set _git_version [git --version]} err]} {
 770        catch {wm withdraw .}
 771        tk_messageBox \
 772                -icon error \
 773                -type ok \
 774                -title [mc "git-gui: fatal error"] \
 775                -message "Cannot determine Git version:
 776
 777$err
 778
 779[appname] requires Git 1.5.0 or later."
 780        exit 1
 781}
 782if {![regsub {^git version } $_git_version {} _git_version]} {
 783        catch {wm withdraw .}
 784        tk_messageBox \
 785                -icon error \
 786                -type ok \
 787                -title [mc "git-gui: fatal error"] \
 788                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 789        exit 1
 790}
 791
 792set _real_git_version $_git_version
 793regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 794regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 795regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 796regsub {\.GIT$} $_git_version {} _git_version
 797regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 798
 799if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 800        catch {wm withdraw .}
 801        if {[tk_messageBox \
 802                -icon warning \
 803                -type yesno \
 804                -default no \
 805                -title "[appname]: warning" \
 806                 -message [mc "Git version cannot be determined.
 807
 808%s claims it is version '%s'.
 809
 810%s requires at least Git 1.5.0 or later.
 811
 812Assume '%s' is version 1.5.0?
 813" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 814                set _git_version 1.5.0
 815        } else {
 816                exit 1
 817        }
 818}
 819unset _real_git_version
 820
 821proc git-version {args} {
 822        global _git_version
 823
 824        switch [llength $args] {
 825        0 {
 826                return $_git_version
 827        }
 828
 829        2 {
 830                set op [lindex $args 0]
 831                set vr [lindex $args 1]
 832                set cm [package vcompare $_git_version $vr]
 833                return [expr $cm $op 0]
 834        }
 835
 836        4 {
 837                set type [lindex $args 0]
 838                set name [lindex $args 1]
 839                set parm [lindex $args 2]
 840                set body [lindex $args 3]
 841
 842                if {($type ne {proc} && $type ne {method})} {
 843                        error "Invalid arguments to git-version"
 844                }
 845                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 846                        error "Last arm of $type $name must be default"
 847                }
 848
 849                foreach {op vr cb} [lrange $body 0 end-2] {
 850                        if {[git-version $op $vr]} {
 851                                return [uplevel [list $type $name $parm $cb]]
 852                        }
 853                }
 854
 855                return [uplevel [list $type $name $parm [lindex $body end]]]
 856        }
 857
 858        default {
 859                error "git-version >= x"
 860        }
 861
 862        }
 863}
 864
 865if {[git-version < 1.5]} {
 866        catch {wm withdraw .}
 867        tk_messageBox \
 868                -icon error \
 869                -type ok \
 870                -title [mc "git-gui: fatal error"] \
 871                -message "[appname] requires Git 1.5.0 or later.
 872
 873You are using [git-version]:
 874
 875[git --version]"
 876        exit 1
 877}
 878
 879######################################################################
 880##
 881## configure our library
 882
 883set idx [file join $oguilib tclIndex]
 884if {[catch {set fd [open $idx r]} err]} {
 885        catch {wm withdraw .}
 886        tk_messageBox \
 887                -icon error \
 888                -type ok \
 889                -title [mc "git-gui: fatal error"] \
 890                -message $err
 891        exit 1
 892}
 893if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 894        set idx [list]
 895        while {[gets $fd n] >= 0} {
 896                if {$n ne {} && ![string match #* $n]} {
 897                        lappend idx $n
 898                }
 899        }
 900} else {
 901        set idx {}
 902}
 903close $fd
 904
 905if {$idx ne {}} {
 906        set loaded [list]
 907        foreach p $idx {
 908                if {[lsearch -exact $loaded $p] >= 0} continue
 909                source [file join $oguilib $p]
 910                lappend loaded $p
 911        }
 912        unset loaded p
 913} else {
 914        set auto_path [concat [list $oguilib] $auto_path]
 915}
 916unset -nocomplain idx fd
 917
 918######################################################################
 919##
 920## config file parsing
 921
 922git-version proc _parse_config {arr_name args} {
 923        >= 1.5.3 {
 924                upvar $arr_name arr
 925                array unset arr
 926                set buf {}
 927                catch {
 928                        set fd_rc [eval \
 929                                [list git_read config] \
 930                                $args \
 931                                [list --null --list]]
 932                        fconfigure $fd_rc -translation binary
 933                        set buf [read $fd_rc]
 934                        close $fd_rc
 935                }
 936                foreach line [split $buf "\0"] {
 937                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 938                                if {[is_many_config $name]} {
 939                                        lappend arr($name) $value
 940                                } else {
 941                                        set arr($name) $value
 942                                }
 943                        }
 944                }
 945        }
 946        default {
 947                upvar $arr_name arr
 948                array unset arr
 949                catch {
 950                        set fd_rc [eval [list git_read config --list] $args]
 951                        while {[gets $fd_rc line] >= 0} {
 952                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 953                                        if {[is_many_config $name]} {
 954                                                lappend arr($name) $value
 955                                        } else {
 956                                                set arr($name) $value
 957                                        }
 958                                }
 959                        }
 960                        close $fd_rc
 961                }
 962        }
 963}
 964
 965proc load_config {include_global} {
 966        global repo_config global_config system_config default_config
 967
 968        if {$include_global} {
 969                _parse_config system_config --system
 970                _parse_config global_config --global
 971        }
 972        _parse_config repo_config
 973
 974        foreach name [array names default_config] {
 975                if {[catch {set v $system_config($name)}]} {
 976                        set system_config($name) $default_config($name)
 977                }
 978        }
 979        foreach name [array names system_config] {
 980                if {[catch {set v $global_config($name)}]} {
 981                        set global_config($name) $system_config($name)
 982                }
 983                if {[catch {set v $repo_config($name)}]} {
 984                        set repo_config($name) $system_config($name)
 985                }
 986        }
 987}
 988
 989######################################################################
 990##
 991## feature option selection
 992
 993if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 994        unset _junk
 995} else {
 996        set subcommand gui
 997}
 998if {$subcommand eq {gui.sh}} {
 999        set subcommand gui
1000}
1001if {$subcommand eq {gui} && [llength $argv] > 0} {
1002        set subcommand [lindex $argv 0]
1003        set argv [lrange $argv 1 end]
1004}
1005
1006enable_option multicommit
1007enable_option branch
1008enable_option transport
1009disable_option bare
1010
1011switch -- $subcommand {
1012browser -
1013blame {
1014        enable_option bare
1015
1016        disable_option multicommit
1017        disable_option branch
1018        disable_option transport
1019}
1020citool {
1021        enable_option singlecommit
1022        enable_option retcode
1023
1024        disable_option multicommit
1025        disable_option branch
1026        disable_option transport
1027
1028        while {[llength $argv] > 0} {
1029                set a [lindex $argv 0]
1030                switch -- $a {
1031                --amend {
1032                        enable_option initialamend
1033                }
1034                --nocommit {
1035                        enable_option nocommit
1036                        enable_option nocommitmsg
1037                }
1038                --commitmsg {
1039                        disable_option nocommitmsg
1040                }
1041                default {
1042                        break
1043                }
1044                }
1045
1046                set argv [lrange $argv 1 end]
1047        }
1048}
1049}
1050
1051######################################################################
1052##
1053## execution environment
1054
1055set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1056
1057# Suggest our implementation of askpass, if none is set
1058if {![info exists env(SSH_ASKPASS)]} {
1059        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1060}
1061
1062######################################################################
1063##
1064## repository setup
1065
1066set picked 0
1067if {[catch {
1068                set _gitdir $env(GIT_DIR)
1069                set _prefix {}
1070                }]
1071        && [catch {
1072                set _gitdir [git rev-parse --git-dir]
1073                set _prefix [git rev-parse --show-prefix]
1074        } err]} {
1075        load_config 1
1076        apply_config
1077        choose_repository::pick
1078        set picked 1
1079}
1080if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1081        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1082}
1083if {![file isdirectory $_gitdir]} {
1084        catch {wm withdraw .}
1085        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1086        exit 1
1087}
1088if {$_prefix ne {}} {
1089        regsub -all {[^/]+/} $_prefix ../ cdup
1090        if {[catch {cd $cdup} err]} {
1091                catch {wm withdraw .}
1092                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1093                exit 1
1094        }
1095        unset cdup
1096} elseif {![is_enabled bare]} {
1097        if {[lindex [file split $_gitdir] end] ne {.git}} {
1098                catch {wm withdraw .}
1099                error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1100                exit 1
1101        }
1102        if {[catch {cd [file dirname $_gitdir]} err]} {
1103                catch {wm withdraw .}
1104                error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1105                exit 1
1106        }
1107}
1108set _reponame [file split [file normalize $_gitdir]]
1109if {[lindex $_reponame end] eq {.git}} {
1110        set _reponame [lindex $_reponame end-1]
1111} else {
1112        set _reponame [lindex $_reponame end]
1113}
1114
1115######################################################################
1116##
1117## global init
1118
1119set current_diff_path {}
1120set current_diff_side {}
1121set diff_actions [list]
1122
1123set HEAD {}
1124set PARENT {}
1125set MERGE_HEAD [list]
1126set commit_type {}
1127set empty_tree {}
1128set current_branch {}
1129set is_detached 0
1130set current_diff_path {}
1131set is_3way_diff 0
1132set is_conflict_diff 0
1133set selected_commit_type new
1134
1135set nullid "0000000000000000000000000000000000000000"
1136set nullid2 "0000000000000000000000000000000000000001"
1137
1138######################################################################
1139##
1140## task management
1141
1142set rescan_active 0
1143set diff_active 0
1144set last_clicked {}
1145
1146set disable_on_lock [list]
1147set index_lock_type none
1148
1149proc lock_index {type} {
1150        global index_lock_type disable_on_lock
1151
1152        if {$index_lock_type eq {none}} {
1153                set index_lock_type $type
1154                foreach w $disable_on_lock {
1155                        uplevel #0 $w disabled
1156                }
1157                return 1
1158        } elseif {$index_lock_type eq "begin-$type"} {
1159                set index_lock_type $type
1160                return 1
1161        }
1162        return 0
1163}
1164
1165proc unlock_index {} {
1166        global index_lock_type disable_on_lock
1167
1168        set index_lock_type none
1169        foreach w $disable_on_lock {
1170                uplevel #0 $w normal
1171        }
1172}
1173
1174######################################################################
1175##
1176## status
1177
1178proc repository_state {ctvar hdvar mhvar} {
1179        global current_branch
1180        upvar $ctvar ct $hdvar hd $mhvar mh
1181
1182        set mh [list]
1183
1184        load_current_branch
1185        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1186                set hd {}
1187                set ct initial
1188                return
1189        }
1190
1191        set merge_head [gitdir MERGE_HEAD]
1192        if {[file exists $merge_head]} {
1193                set ct merge
1194                set fd_mh [open $merge_head r]
1195                while {[gets $fd_mh line] >= 0} {
1196                        lappend mh $line
1197                }
1198                close $fd_mh
1199                return
1200        }
1201
1202        set ct normal
1203}
1204
1205proc PARENT {} {
1206        global PARENT empty_tree
1207
1208        set p [lindex $PARENT 0]
1209        if {$p ne {}} {
1210                return $p
1211        }
1212        if {$empty_tree eq {}} {
1213                set empty_tree [git mktree << {}]
1214        }
1215        return $empty_tree
1216}
1217
1218proc force_amend {} {
1219        global selected_commit_type
1220        global HEAD PARENT MERGE_HEAD commit_type
1221
1222        repository_state newType newHEAD newMERGE_HEAD
1223        set HEAD $newHEAD
1224        set PARENT $newHEAD
1225        set MERGE_HEAD $newMERGE_HEAD
1226        set commit_type $newType
1227
1228        set selected_commit_type amend
1229        do_select_commit_type
1230}
1231
1232proc rescan {after {honor_trustmtime 1}} {
1233        global HEAD PARENT MERGE_HEAD commit_type
1234        global ui_index ui_workdir ui_comm
1235        global rescan_active file_states
1236        global repo_config
1237
1238        if {$rescan_active > 0 || ![lock_index read]} return
1239
1240        repository_state newType newHEAD newMERGE_HEAD
1241        if {[string match amend* $commit_type]
1242                && $newType eq {normal}
1243                && $newHEAD eq $HEAD} {
1244        } else {
1245                set HEAD $newHEAD
1246                set PARENT $newHEAD
1247                set MERGE_HEAD $newMERGE_HEAD
1248                set commit_type $newType
1249        }
1250
1251        array unset file_states
1252
1253        if {!$::GITGUI_BCK_exists &&
1254                (![$ui_comm edit modified]
1255                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1256                if {[string match amend* $commit_type]} {
1257                } elseif {[load_message GITGUI_MSG]} {
1258                } elseif {[run_prepare_commit_msg_hook]} {
1259                } elseif {[load_message MERGE_MSG]} {
1260                } elseif {[load_message SQUASH_MSG]} {
1261                }
1262                $ui_comm edit reset
1263                $ui_comm edit modified false
1264        }
1265
1266        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1267                rescan_stage2 {} $after
1268        } else {
1269                set rescan_active 1
1270                ui_status [mc "Refreshing file status..."]
1271                set fd_rf [git_read update-index \
1272                        -q \
1273                        --unmerged \
1274                        --ignore-missing \
1275                        --refresh \
1276                        ]
1277                fconfigure $fd_rf -blocking 0 -translation binary
1278                fileevent $fd_rf readable \
1279                        [list rescan_stage2 $fd_rf $after]
1280        }
1281}
1282
1283if {[is_Cygwin]} {
1284        set is_git_info_exclude {}
1285        proc have_info_exclude {} {
1286                global is_git_info_exclude
1287
1288                if {$is_git_info_exclude eq {}} {
1289                        if {[catch {exec test -f [gitdir info exclude]}]} {
1290                                set is_git_info_exclude 0
1291                        } else {
1292                                set is_git_info_exclude 1
1293                        }
1294                }
1295                return $is_git_info_exclude
1296        }
1297} else {
1298        proc have_info_exclude {} {
1299                return [file readable [gitdir info exclude]]
1300        }
1301}
1302
1303proc rescan_stage2 {fd after} {
1304        global rescan_active buf_rdi buf_rdf buf_rlo
1305
1306        if {$fd ne {}} {
1307                read $fd
1308                if {![eof $fd]} return
1309                close $fd
1310        }
1311
1312        set ls_others [list --exclude-per-directory=.gitignore]
1313        if {[have_info_exclude]} {
1314                lappend ls_others "--exclude-from=[gitdir info exclude]"
1315        }
1316        set user_exclude [get_config core.excludesfile]
1317        if {$user_exclude ne {} && [file readable $user_exclude]} {
1318                lappend ls_others "--exclude-from=$user_exclude"
1319        }
1320
1321        set buf_rdi {}
1322        set buf_rdf {}
1323        set buf_rlo {}
1324
1325        set rescan_active 3
1326        ui_status [mc "Scanning for modified files ..."]
1327        set fd_di [git_read diff-index --cached -z [PARENT]]
1328        set fd_df [git_read diff-files -z]
1329        set fd_lo [eval git_read ls-files --others -z $ls_others]
1330
1331        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1332        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1333        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1334        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1335        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1336        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1337}
1338
1339proc load_message {file} {
1340        global ui_comm
1341
1342        set f [gitdir $file]
1343        if {[file isfile $f]} {
1344                if {[catch {set fd [open $f r]}]} {
1345                        return 0
1346                }
1347                fconfigure $fd -eofchar {}
1348                set content [string trim [read $fd]]
1349                close $fd
1350                regsub -all -line {[ \r\t]+$} $content {} content
1351                $ui_comm delete 0.0 end
1352                $ui_comm insert end $content
1353                return 1
1354        }
1355        return 0
1356}
1357
1358proc run_prepare_commit_msg_hook {} {
1359        global pch_error
1360
1361        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1362        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1363        # empty file but existant file.
1364
1365        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1366
1367        if {[file isfile [gitdir MERGE_MSG]]} {
1368                set pcm_source "merge"
1369                set fd_mm [open [gitdir MERGE_MSG] r]
1370                puts -nonewline $fd_pcm [read $fd_mm]
1371                close $fd_mm
1372        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1373                set pcm_source "squash"
1374                set fd_sm [open [gitdir SQUASH_MSG] r]
1375                puts -nonewline $fd_pcm [read $fd_sm]
1376                close $fd_sm
1377        } else {
1378                set pcm_source ""
1379        }
1380
1381        close $fd_pcm
1382
1383        set fd_ph [githook_read prepare-commit-msg \
1384                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1385        if {$fd_ph eq {}} {
1386                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1387                return 0;
1388        }
1389
1390        ui_status [mc "Calling prepare-commit-msg hook..."]
1391        set pch_error {}
1392
1393        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1394        fileevent $fd_ph readable \
1395                [list prepare_commit_msg_hook_wait $fd_ph]
1396
1397        return 1;
1398}
1399
1400proc prepare_commit_msg_hook_wait {fd_ph} {
1401        global pch_error
1402
1403        append pch_error [read $fd_ph]
1404        fconfigure $fd_ph -blocking 1
1405        if {[eof $fd_ph]} {
1406                if {[catch {close $fd_ph}]} {
1407                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1408                        hook_failed_popup prepare-commit-msg $pch_error
1409                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1410                        exit 1
1411                } else {
1412                        load_message PREPARE_COMMIT_MSG
1413                }
1414                set pch_error {}
1415                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1416                return
1417        }
1418        fconfigure $fd_ph -blocking 0
1419        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1420}
1421
1422proc read_diff_index {fd after} {
1423        global buf_rdi
1424
1425        append buf_rdi [read $fd]
1426        set c 0
1427        set n [string length $buf_rdi]
1428        while {$c < $n} {
1429                set z1 [string first "\0" $buf_rdi $c]
1430                if {$z1 == -1} break
1431                incr z1
1432                set z2 [string first "\0" $buf_rdi $z1]
1433                if {$z2 == -1} break
1434
1435                incr c
1436                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1437                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1438                merge_state \
1439                        [encoding convertfrom $p] \
1440                        [lindex $i 4]? \
1441                        [list [lindex $i 0] [lindex $i 2]] \
1442                        [list]
1443                set c $z2
1444                incr c
1445        }
1446        if {$c < $n} {
1447                set buf_rdi [string range $buf_rdi $c end]
1448        } else {
1449                set buf_rdi {}
1450        }
1451
1452        rescan_done $fd buf_rdi $after
1453}
1454
1455proc read_diff_files {fd after} {
1456        global buf_rdf
1457
1458        append buf_rdf [read $fd]
1459        set c 0
1460        set n [string length $buf_rdf]
1461        while {$c < $n} {
1462                set z1 [string first "\0" $buf_rdf $c]
1463                if {$z1 == -1} break
1464                incr z1
1465                set z2 [string first "\0" $buf_rdf $z1]
1466                if {$z2 == -1} break
1467
1468                incr c
1469                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1470                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1471                merge_state \
1472                        [encoding convertfrom $p] \
1473                        ?[lindex $i 4] \
1474                        [list] \
1475                        [list [lindex $i 0] [lindex $i 2]]
1476                set c $z2
1477                incr c
1478        }
1479        if {$c < $n} {
1480                set buf_rdf [string range $buf_rdf $c end]
1481        } else {
1482                set buf_rdf {}
1483        }
1484
1485        rescan_done $fd buf_rdf $after
1486}
1487
1488proc read_ls_others {fd after} {
1489        global buf_rlo
1490
1491        append buf_rlo [read $fd]
1492        set pck [split $buf_rlo "\0"]
1493        set buf_rlo [lindex $pck end]
1494        foreach p [lrange $pck 0 end-1] {
1495                set p [encoding convertfrom $p]
1496                if {[string index $p end] eq {/}} {
1497                        set p [string range $p 0 end-1]
1498                }
1499                merge_state $p ?O
1500        }
1501        rescan_done $fd buf_rlo $after
1502}
1503
1504proc rescan_done {fd buf after} {
1505        global rescan_active current_diff_path
1506        global file_states repo_config
1507        upvar $buf to_clear
1508
1509        if {![eof $fd]} return
1510        set to_clear {}
1511        close $fd
1512        if {[incr rescan_active -1] > 0} return
1513
1514        prune_selection
1515        unlock_index
1516        display_all_files
1517        if {$current_diff_path ne {}} { reshow_diff $after }
1518        if {$current_diff_path eq {}} { select_first_diff $after }
1519}
1520
1521proc prune_selection {} {
1522        global file_states selected_paths
1523
1524        foreach path [array names selected_paths] {
1525                if {[catch {set still_here $file_states($path)}]} {
1526                        unset selected_paths($path)
1527                }
1528        }
1529}
1530
1531######################################################################
1532##
1533## ui helpers
1534
1535proc mapicon {w state path} {
1536        global all_icons
1537
1538        if {[catch {set r $all_icons($state$w)}]} {
1539                puts "error: no icon for $w state={$state} $path"
1540                return file_plain
1541        }
1542        return $r
1543}
1544
1545proc mapdesc {state path} {
1546        global all_descs
1547
1548        if {[catch {set r $all_descs($state)}]} {
1549                puts "error: no desc for state={$state} $path"
1550                return $state
1551        }
1552        return $r
1553}
1554
1555proc ui_status {msg} {
1556        global main_status
1557        if {[info exists main_status]} {
1558                $main_status show $msg
1559        }
1560}
1561
1562proc ui_ready {{test {}}} {
1563        global main_status
1564        if {[info exists main_status]} {
1565                $main_status show [mc "Ready."] $test
1566        }
1567}
1568
1569proc escape_path {path} {
1570        regsub -all {\\} $path "\\\\" path
1571        regsub -all "\n" $path "\\n" path
1572        return $path
1573}
1574
1575proc short_path {path} {
1576        return [escape_path [lindex [file split $path] end]]
1577}
1578
1579set next_icon_id 0
1580set null_sha1 [string repeat 0 40]
1581
1582proc merge_state {path new_state {head_info {}} {index_info {}}} {
1583        global file_states next_icon_id null_sha1
1584
1585        set s0 [string index $new_state 0]
1586        set s1 [string index $new_state 1]
1587
1588        if {[catch {set info $file_states($path)}]} {
1589                set state __
1590                set icon n[incr next_icon_id]
1591        } else {
1592                set state [lindex $info 0]
1593                set icon [lindex $info 1]
1594                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1595                if {$index_info eq {}} {set index_info [lindex $info 3]}
1596        }
1597
1598        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1599        elseif {$s0 eq {_}} {set s0 _}
1600
1601        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1602        elseif {$s1 eq {_}} {set s1 _}
1603
1604        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1605                set head_info [list 0 $null_sha1]
1606        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1607                && $head_info eq {}} {
1608                set head_info $index_info
1609        }
1610
1611        set file_states($path) [list $s0$s1 $icon \
1612                $head_info $index_info \
1613                ]
1614        return $state
1615}
1616
1617proc display_file_helper {w path icon_name old_m new_m} {
1618        global file_lists
1619
1620        if {$new_m eq {_}} {
1621                set lno [lsearch -sorted -exact $file_lists($w) $path]
1622                if {$lno >= 0} {
1623                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1624                        incr lno
1625                        $w conf -state normal
1626                        $w delete $lno.0 [expr {$lno + 1}].0
1627                        $w conf -state disabled
1628                }
1629        } elseif {$old_m eq {_} && $new_m ne {_}} {
1630                lappend file_lists($w) $path
1631                set file_lists($w) [lsort -unique $file_lists($w)]
1632                set lno [lsearch -sorted -exact $file_lists($w) $path]
1633                incr lno
1634                $w conf -state normal
1635                $w image create $lno.0 \
1636                        -align center -padx 5 -pady 1 \
1637                        -name $icon_name \
1638                        -image [mapicon $w $new_m $path]
1639                $w insert $lno.1 "[escape_path $path]\n"
1640                $w conf -state disabled
1641        } elseif {$old_m ne $new_m} {
1642                $w conf -state normal
1643                $w image conf $icon_name -image [mapicon $w $new_m $path]
1644                $w conf -state disabled
1645        }
1646}
1647
1648proc display_file {path state} {
1649        global file_states selected_paths
1650        global ui_index ui_workdir
1651
1652        set old_m [merge_state $path $state]
1653        set s $file_states($path)
1654        set new_m [lindex $s 0]
1655        set icon_name [lindex $s 1]
1656
1657        set o [string index $old_m 0]
1658        set n [string index $new_m 0]
1659        if {$o eq {U}} {
1660                set o _
1661        }
1662        if {$n eq {U}} {
1663                set n _
1664        }
1665        display_file_helper     $ui_index $path $icon_name $o $n
1666
1667        if {[string index $old_m 0] eq {U}} {
1668                set o U
1669        } else {
1670                set o [string index $old_m 1]
1671        }
1672        if {[string index $new_m 0] eq {U}} {
1673                set n U
1674        } else {
1675                set n [string index $new_m 1]
1676        }
1677        display_file_helper     $ui_workdir $path $icon_name $o $n
1678
1679        if {$new_m eq {__}} {
1680                unset file_states($path)
1681                catch {unset selected_paths($path)}
1682        }
1683}
1684
1685proc display_all_files_helper {w path icon_name m} {
1686        global file_lists
1687
1688        lappend file_lists($w) $path
1689        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1690        $w image create end \
1691                -align center -padx 5 -pady 1 \
1692                -name $icon_name \
1693                -image [mapicon $w $m $path]
1694        $w insert end "[escape_path $path]\n"
1695}
1696
1697proc display_all_files {} {
1698        global ui_index ui_workdir
1699        global file_states file_lists
1700        global last_clicked
1701
1702        $ui_index conf -state normal
1703        $ui_workdir conf -state normal
1704
1705        $ui_index delete 0.0 end
1706        $ui_workdir delete 0.0 end
1707        set last_clicked {}
1708
1709        set file_lists($ui_index) [list]
1710        set file_lists($ui_workdir) [list]
1711
1712        foreach path [lsort [array names file_states]] {
1713                set s $file_states($path)
1714                set m [lindex $s 0]
1715                set icon_name [lindex $s 1]
1716
1717                set s [string index $m 0]
1718                if {$s ne {U} && $s ne {_}} {
1719                        display_all_files_helper $ui_index $path \
1720                                $icon_name $s
1721                }
1722
1723                if {[string index $m 0] eq {U}} {
1724                        set s U
1725                } else {
1726                        set s [string index $m 1]
1727                }
1728                if {$s ne {_}} {
1729                        display_all_files_helper $ui_workdir $path \
1730                                $icon_name $s
1731                }
1732        }
1733
1734        $ui_index conf -state disabled
1735        $ui_workdir conf -state disabled
1736}
1737
1738######################################################################
1739##
1740## icons
1741
1742set filemask {
1743#define mask_width 14
1744#define mask_height 15
1745static unsigned char mask_bits[] = {
1746   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1747   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1748   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1749}
1750
1751image create bitmap file_plain -background white -foreground black -data {
1752#define plain_width 14
1753#define plain_height 15
1754static unsigned char plain_bits[] = {
1755   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1756   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1757   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1758} -maskdata $filemask
1759
1760image create bitmap file_mod -background white -foreground blue -data {
1761#define mod_width 14
1762#define mod_height 15
1763static unsigned char mod_bits[] = {
1764   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1765   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1766   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1767} -maskdata $filemask
1768
1769image create bitmap file_fulltick -background white -foreground "#007000" -data {
1770#define file_fulltick_width 14
1771#define file_fulltick_height 15
1772static unsigned char file_fulltick_bits[] = {
1773   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1774   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1775   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1776} -maskdata $filemask
1777
1778image create bitmap file_parttick -background white -foreground "#005050" -data {
1779#define parttick_width 14
1780#define parttick_height 15
1781static unsigned char parttick_bits[] = {
1782   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1783   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1784   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1785} -maskdata $filemask
1786
1787image create bitmap file_question -background white -foreground black -data {
1788#define file_question_width 14
1789#define file_question_height 15
1790static unsigned char file_question_bits[] = {
1791   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1792   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1793   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1794} -maskdata $filemask
1795
1796image create bitmap file_removed -background white -foreground red -data {
1797#define file_removed_width 14
1798#define file_removed_height 15
1799static unsigned char file_removed_bits[] = {
1800   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1801   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1802   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1803} -maskdata $filemask
1804
1805image create bitmap file_merge -background white -foreground blue -data {
1806#define file_merge_width 14
1807#define file_merge_height 15
1808static unsigned char file_merge_bits[] = {
1809   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1810   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1811   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1812} -maskdata $filemask
1813
1814image create bitmap file_statechange -background white -foreground green -data {
1815#define file_merge_width 14
1816#define file_merge_height 15
1817static unsigned char file_statechange_bits[] = {
1818   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1819   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1820   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1821} -maskdata $filemask
1822
1823set ui_index .vpane.files.index.list
1824set ui_workdir .vpane.files.workdir.list
1825
1826set all_icons(_$ui_index)   file_plain
1827set all_icons(A$ui_index)   file_fulltick
1828set all_icons(M$ui_index)   file_fulltick
1829set all_icons(D$ui_index)   file_removed
1830set all_icons(U$ui_index)   file_merge
1831set all_icons(T$ui_index)   file_statechange
1832
1833set all_icons(_$ui_workdir) file_plain
1834set all_icons(M$ui_workdir) file_mod
1835set all_icons(D$ui_workdir) file_question
1836set all_icons(U$ui_workdir) file_merge
1837set all_icons(O$ui_workdir) file_plain
1838set all_icons(T$ui_workdir) file_statechange
1839
1840set max_status_desc 0
1841foreach i {
1842                {__ {mc "Unmodified"}}
1843
1844                {_M {mc "Modified, not staged"}}
1845                {M_ {mc "Staged for commit"}}
1846                {MM {mc "Portions staged for commit"}}
1847                {MD {mc "Staged for commit, missing"}}
1848
1849                {_T {mc "File type changed, not staged"}}
1850                {T_ {mc "File type changed, staged"}}
1851
1852                {_O {mc "Untracked, not staged"}}
1853                {A_ {mc "Staged for commit"}}
1854                {AM {mc "Portions staged for commit"}}
1855                {AD {mc "Staged for commit, missing"}}
1856
1857                {_D {mc "Missing"}}
1858                {D_ {mc "Staged for removal"}}
1859                {DO {mc "Staged for removal, still present"}}
1860
1861                {_U {mc "Requires merge resolution"}}
1862                {U_ {mc "Requires merge resolution"}}
1863                {UU {mc "Requires merge resolution"}}
1864                {UM {mc "Requires merge resolution"}}
1865                {UD {mc "Requires merge resolution"}}
1866                {UT {mc "Requires merge resolution"}}
1867        } {
1868        set text [eval [lindex $i 1]]
1869        if {$max_status_desc < [string length $text]} {
1870                set max_status_desc [string length $text]
1871        }
1872        set all_descs([lindex $i 0]) $text
1873}
1874unset i
1875
1876######################################################################
1877##
1878## util
1879
1880proc scrollbar2many {list mode args} {
1881        foreach w $list {eval $w $mode $args}
1882}
1883
1884proc many2scrollbar {list mode sb top bottom} {
1885        $sb set $top $bottom
1886        foreach w $list {$w $mode moveto $top}
1887}
1888
1889proc incr_font_size {font {amt 1}} {
1890        set sz [font configure $font -size]
1891        incr sz $amt
1892        font configure $font -size $sz
1893        font configure ${font}bold -size $sz
1894        font configure ${font}italic -size $sz
1895}
1896
1897######################################################################
1898##
1899## ui commands
1900
1901set starting_gitk_msg [mc "Starting gitk... please wait..."]
1902
1903proc do_gitk {revs} {
1904        # -- Always start gitk through whatever we were loaded with.  This
1905        #    lets us bypass using shell process on Windows systems.
1906        #
1907        set exe [_which gitk -script]
1908        set cmd [list [info nameofexecutable] $exe]
1909        if {$exe eq {}} {
1910                error_popup [mc "Couldn't find gitk in PATH"]
1911        } else {
1912                global env
1913
1914                if {[info exists env(GIT_DIR)]} {
1915                        set old_GIT_DIR $env(GIT_DIR)
1916                } else {
1917                        set old_GIT_DIR {}
1918                }
1919
1920                set pwd [pwd]
1921                cd [file dirname [gitdir]]
1922                set env(GIT_DIR) [file tail [gitdir]]
1923
1924                eval exec $cmd $revs &
1925
1926                if {$old_GIT_DIR eq {}} {
1927                        unset env(GIT_DIR)
1928                } else {
1929                        set env(GIT_DIR) $old_GIT_DIR
1930                }
1931                cd $pwd
1932
1933                ui_status $::starting_gitk_msg
1934                after 10000 {
1935                        ui_ready $starting_gitk_msg
1936                }
1937        }
1938}
1939
1940proc do_explore {} {
1941        set explorer {}
1942        if {[is_Cygwin] || [is_Windows]} {
1943                set explorer "explorer.exe"
1944        } elseif {[is_MacOSX]} {
1945                set explorer "open"
1946        } else {
1947                # freedesktop.org-conforming system is our best shot
1948                set explorer "xdg-open"
1949        }
1950        eval exec $explorer [list [file nativename [file dirname [gitdir]]]] &
1951}
1952
1953set is_quitting 0
1954set ret_code    1
1955
1956proc terminate_me {win} {
1957        global ret_code
1958        if {$win ne {.}} return
1959        exit $ret_code
1960}
1961
1962proc do_quit {{rc {1}}} {
1963        global ui_comm is_quitting repo_config commit_type
1964        global GITGUI_BCK_exists GITGUI_BCK_i
1965        global ui_comm_spell
1966        global ret_code
1967
1968        if {$is_quitting} return
1969        set is_quitting 1
1970
1971        if {[winfo exists $ui_comm]} {
1972                # -- Stash our current commit buffer.
1973                #
1974                set save [gitdir GITGUI_MSG]
1975                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1976                        file rename -force [gitdir GITGUI_BCK] $save
1977                        set GITGUI_BCK_exists 0
1978                } else {
1979                        set msg [string trim [$ui_comm get 0.0 end]]
1980                        regsub -all -line {[ \r\t]+$} $msg {} msg
1981                        if {(![string match amend* $commit_type]
1982                                || [$ui_comm edit modified])
1983                                && $msg ne {}} {
1984                                catch {
1985                                        set fd [open $save w]
1986                                        puts -nonewline $fd $msg
1987                                        close $fd
1988                                }
1989                        } else {
1990                                catch {file delete $save}
1991                        }
1992                }
1993
1994                # -- Cancel our spellchecker if its running.
1995                #
1996                if {[info exists ui_comm_spell]} {
1997                        $ui_comm_spell stop
1998                }
1999
2000                # -- Remove our editor backup, its not needed.
2001                #
2002                after cancel $GITGUI_BCK_i
2003                if {$GITGUI_BCK_exists} {
2004                        catch {file delete [gitdir GITGUI_BCK]}
2005                }
2006
2007                # -- Stash our current window geometry into this repository.
2008                #
2009                set cfg_geometry [list]
2010                lappend cfg_geometry [wm geometry .]
2011                lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2012                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2013                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2014                        set rc_geometry {}
2015                }
2016                if {$cfg_geometry ne $rc_geometry} {
2017                        catch {git config gui.geometry $cfg_geometry}
2018                }
2019        }
2020
2021        set ret_code $rc
2022        destroy .
2023}
2024
2025proc do_rescan {} {
2026        rescan ui_ready
2027}
2028
2029proc ui_do_rescan {} {
2030        rescan {force_first_diff ui_ready}
2031}
2032
2033proc do_commit {} {
2034        commit_tree
2035}
2036
2037proc next_diff {{after {}}} {
2038        global next_diff_p next_diff_w next_diff_i
2039        show_diff $next_diff_p $next_diff_w {} {} $after
2040}
2041
2042proc find_anchor_pos {lst name} {
2043        set lid [lsearch -sorted -exact $lst $name]
2044
2045        if {$lid == -1} {
2046                set lid 0
2047                foreach lname $lst {
2048                        if {$lname >= $name} break
2049                        incr lid
2050                }
2051        }
2052
2053        return $lid
2054}
2055
2056proc find_file_from {flist idx delta path mmask} {
2057        global file_states
2058
2059        set len [llength $flist]
2060        while {$idx >= 0 && $idx < $len} {
2061                set name [lindex $flist $idx]
2062
2063                if {$name ne $path && [info exists file_states($name)]} {
2064                        set state [lindex $file_states($name) 0]
2065
2066                        if {$mmask eq {} || [regexp $mmask $state]} {
2067                                return $idx
2068                        }
2069                }
2070
2071                incr idx $delta
2072        }
2073
2074        return {}
2075}
2076
2077proc find_next_diff {w path {lno {}} {mmask {}}} {
2078        global next_diff_p next_diff_w next_diff_i
2079        global file_lists ui_index ui_workdir
2080
2081        set flist $file_lists($w)
2082        if {$lno eq {}} {
2083                set lno [find_anchor_pos $flist $path]
2084        } else {
2085                incr lno -1
2086        }
2087
2088        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2089                if {$w eq $ui_index} {
2090                        set mmask "^$mmask"
2091                } else {
2092                        set mmask "$mmask\$"
2093                }
2094        }
2095
2096        set idx [find_file_from $flist $lno 1 $path $mmask]
2097        if {$idx eq {}} {
2098                incr lno -1
2099                set idx [find_file_from $flist $lno -1 $path $mmask]
2100        }
2101
2102        if {$idx ne {}} {
2103                set next_diff_w $w
2104                set next_diff_p [lindex $flist $idx]
2105                set next_diff_i [expr {$idx+1}]
2106                return 1
2107        } else {
2108                return 0
2109        }
2110}
2111
2112proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2113        global current_diff_path
2114
2115        if {$path ne $current_diff_path} {
2116                return {}
2117        } elseif {[find_next_diff $w $path $lno $mmask]} {
2118                return {next_diff;}
2119        } else {
2120                return {reshow_diff;}
2121        }
2122}
2123
2124proc select_first_diff {after} {
2125        global ui_workdir
2126
2127        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2128            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2129                next_diff $after
2130        } else {
2131                uplevel #0 $after
2132        }
2133}
2134
2135proc force_first_diff {after} {
2136        global ui_workdir current_diff_path file_states
2137
2138        if {[info exists file_states($current_diff_path)]} {
2139                set state [lindex $file_states($current_diff_path) 0]
2140        } else {
2141                set state {OO}
2142        }
2143
2144        set reselect 0
2145        if {[string first {U} $state] >= 0} {
2146                # Already a conflict, do nothing
2147        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2148                set reselect 1
2149        } elseif {[string index $state 1] ne {O}} {
2150                # Already a diff & no conflicts, do nothing
2151        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2152                set reselect 1
2153        }
2154
2155        if {$reselect} {
2156                next_diff $after
2157        } else {
2158                uplevel #0 $after
2159        }
2160}
2161
2162proc toggle_or_diff {w x y} {
2163        global file_states file_lists current_diff_path ui_index ui_workdir
2164        global last_clicked selected_paths
2165
2166        set pos [split [$w index @$x,$y] .]
2167        set lno [lindex $pos 0]
2168        set col [lindex $pos 1]
2169        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2170        if {$path eq {}} {
2171                set last_clicked {}
2172                return
2173        }
2174
2175        set last_clicked [list $w $lno]
2176        array unset selected_paths
2177        $ui_index tag remove in_sel 0.0 end
2178        $ui_workdir tag remove in_sel 0.0 end
2179
2180        # Determine the state of the file
2181        if {[info exists file_states($path)]} {
2182                set state [lindex $file_states($path) 0]
2183        } else {
2184                set state {__}
2185        }
2186
2187        # Restage the file, or simply show the diff
2188        if {$col == 0 && $y > 1} {
2189                # Conflicts need special handling
2190                if {[string first {U} $state] >= 0} {
2191                        # $w must always be $ui_workdir, but...
2192                        if {$w ne $ui_workdir} { set lno {} }
2193                        merge_stage_workdir $path $lno
2194                        return
2195                }
2196
2197                if {[string index $state 1] eq {O}} {
2198                        set mmask {}
2199                } else {
2200                        set mmask {[^O]}
2201                }
2202
2203                set after [next_diff_after_action $w $path $lno $mmask]
2204
2205                if {$w eq $ui_index} {
2206                        update_indexinfo \
2207                                "Unstaging [short_path $path] from commit" \
2208                                [list $path] \
2209                                [concat $after [list ui_ready]]
2210                } elseif {$w eq $ui_workdir} {
2211                        update_index \
2212                                "Adding [short_path $path]" \
2213                                [list $path] \
2214                                [concat $after [list ui_ready]]
2215                }
2216        } else {
2217                show_diff $path $w $lno
2218        }
2219}
2220
2221proc add_one_to_selection {w x y} {
2222        global file_lists last_clicked selected_paths
2223
2224        set lno [lindex [split [$w index @$x,$y] .] 0]
2225        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2226        if {$path eq {}} {
2227                set last_clicked {}
2228                return
2229        }
2230
2231        if {$last_clicked ne {}
2232                && [lindex $last_clicked 0] ne $w} {
2233                array unset selected_paths
2234                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2235        }
2236
2237        set last_clicked [list $w $lno]
2238        if {[catch {set in_sel $selected_paths($path)}]} {
2239                set in_sel 0
2240        }
2241        if {$in_sel} {
2242                unset selected_paths($path)
2243                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2244        } else {
2245                set selected_paths($path) 1
2246                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2247        }
2248}
2249
2250proc add_range_to_selection {w x y} {
2251        global file_lists last_clicked selected_paths
2252
2253        if {[lindex $last_clicked 0] ne $w} {
2254                toggle_or_diff $w $x $y
2255                return
2256        }
2257
2258        set lno [lindex [split [$w index @$x,$y] .] 0]
2259        set lc [lindex $last_clicked 1]
2260        if {$lc < $lno} {
2261                set begin $lc
2262                set end $lno
2263        } else {
2264                set begin $lno
2265                set end $lc
2266        }
2267
2268        foreach path [lrange $file_lists($w) \
2269                [expr {$begin - 1}] \
2270                [expr {$end - 1}]] {
2271                set selected_paths($path) 1
2272        }
2273        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2274}
2275
2276proc show_more_context {} {
2277        global repo_config
2278        if {$repo_config(gui.diffcontext) < 99} {
2279                incr repo_config(gui.diffcontext)
2280                reshow_diff
2281        }
2282}
2283
2284proc show_less_context {} {
2285        global repo_config
2286        if {$repo_config(gui.diffcontext) > 1} {
2287                incr repo_config(gui.diffcontext) -1
2288                reshow_diff
2289        }
2290}
2291
2292######################################################################
2293##
2294## ui construction
2295
2296load_config 0
2297apply_config
2298set ui_comm {}
2299
2300# -- Menu Bar
2301#
2302menu .mbar -tearoff 0
2303.mbar add cascade -label [mc Repository] -menu .mbar.repository
2304.mbar add cascade -label [mc Edit] -menu .mbar.edit
2305if {[is_enabled branch]} {
2306        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2307}
2308if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2309        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2310}
2311if {[is_enabled transport]} {
2312        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2313        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2314}
2315if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2316        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2317}
2318. configure -menu .mbar
2319
2320# -- Repository Menu
2321#
2322menu .mbar.repository
2323
2324.mbar.repository add command \
2325        -label [mc "Explore Working Copy"] \
2326        -command {do_explore}
2327.mbar.repository add separator
2328
2329.mbar.repository add command \
2330        -label [mc "Browse Current Branch's Files"] \
2331        -command {browser::new $current_branch}
2332set ui_browse_current [.mbar.repository index last]
2333.mbar.repository add command \
2334        -label [mc "Browse Branch Files..."] \
2335        -command browser_open::dialog
2336.mbar.repository add separator
2337
2338.mbar.repository add command \
2339        -label [mc "Visualize Current Branch's History"] \
2340        -command {do_gitk $current_branch}
2341set ui_visualize_current [.mbar.repository index last]
2342.mbar.repository add command \
2343        -label [mc "Visualize All Branch History"] \
2344        -command {do_gitk --all}
2345.mbar.repository add separator
2346
2347proc current_branch_write {args} {
2348        global current_branch
2349        .mbar.repository entryconf $::ui_browse_current \
2350                -label [mc "Browse %s's Files" $current_branch]
2351        .mbar.repository entryconf $::ui_visualize_current \
2352                -label [mc "Visualize %s's History" $current_branch]
2353}
2354trace add variable current_branch write current_branch_write
2355
2356if {[is_enabled multicommit]} {
2357        .mbar.repository add command -label [mc "Database Statistics"] \
2358                -command do_stats
2359
2360        .mbar.repository add command -label [mc "Compress Database"] \
2361                -command do_gc
2362
2363        .mbar.repository add command -label [mc "Verify Database"] \
2364                -command do_fsck_objects
2365
2366        .mbar.repository add separator
2367
2368        if {[is_Cygwin]} {
2369                .mbar.repository add command \
2370                        -label [mc "Create Desktop Icon"] \
2371                        -command do_cygwin_shortcut
2372        } elseif {[is_Windows]} {
2373                .mbar.repository add command \
2374                        -label [mc "Create Desktop Icon"] \
2375                        -command do_windows_shortcut
2376        } elseif {[is_MacOSX]} {
2377                .mbar.repository add command \
2378                        -label [mc "Create Desktop Icon"] \
2379                        -command do_macosx_app
2380        }
2381}
2382
2383if {[is_MacOSX]} {
2384        proc ::tk::mac::Quit {args} { do_quit }
2385} else {
2386        .mbar.repository add command -label [mc Quit] \
2387                -command do_quit \
2388                -accelerator $M1T-Q
2389}
2390
2391# -- Edit Menu
2392#
2393menu .mbar.edit
2394.mbar.edit add command -label [mc Undo] \
2395        -command {catch {[focus] edit undo}} \
2396        -accelerator $M1T-Z
2397.mbar.edit add command -label [mc Redo] \
2398        -command {catch {[focus] edit redo}} \
2399        -accelerator $M1T-Y
2400.mbar.edit add separator
2401.mbar.edit add command -label [mc Cut] \
2402        -command {catch {tk_textCut [focus]}} \
2403        -accelerator $M1T-X
2404.mbar.edit add command -label [mc Copy] \
2405        -command {catch {tk_textCopy [focus]}} \
2406        -accelerator $M1T-C
2407.mbar.edit add command -label [mc Paste] \
2408        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2409        -accelerator $M1T-V
2410.mbar.edit add command -label [mc Delete] \
2411        -command {catch {[focus] delete sel.first sel.last}} \
2412        -accelerator Del
2413.mbar.edit add separator
2414.mbar.edit add command -label [mc "Select All"] \
2415        -command {catch {[focus] tag add sel 0.0 end}} \
2416        -accelerator $M1T-A
2417
2418# -- Branch Menu
2419#
2420if {[is_enabled branch]} {
2421        menu .mbar.branch
2422
2423        .mbar.branch add command -label [mc "Create..."] \
2424                -command branch_create::dialog \
2425                -accelerator $M1T-N
2426        lappend disable_on_lock [list .mbar.branch entryconf \
2427                [.mbar.branch index last] -state]
2428
2429        .mbar.branch add command -label [mc "Checkout..."] \
2430                -command branch_checkout::dialog \
2431                -accelerator $M1T-O
2432        lappend disable_on_lock [list .mbar.branch entryconf \
2433                [.mbar.branch index last] -state]
2434
2435        .mbar.branch add command -label [mc "Rename..."] \
2436                -command branch_rename::dialog
2437        lappend disable_on_lock [list .mbar.branch entryconf \
2438                [.mbar.branch index last] -state]
2439
2440        .mbar.branch add command -label [mc "Delete..."] \
2441                -command branch_delete::dialog
2442        lappend disable_on_lock [list .mbar.branch entryconf \
2443                [.mbar.branch index last] -state]
2444
2445        .mbar.branch add command -label [mc "Reset..."] \
2446                -command merge::reset_hard
2447        lappend disable_on_lock [list .mbar.branch entryconf \
2448                [.mbar.branch index last] -state]
2449}
2450
2451# -- Commit Menu
2452#
2453proc commit_btn_caption {} {
2454        if {[is_enabled nocommit]} {
2455                return [mc "Done"]
2456        } else {
2457                return [mc Commit@@verb]
2458        }
2459}
2460
2461if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2462        menu .mbar.commit
2463
2464        if {![is_enabled nocommit]} {
2465                .mbar.commit add radiobutton \
2466                        -label [mc "New Commit"] \
2467                        -command do_select_commit_type \
2468                        -variable selected_commit_type \
2469                        -value new
2470                lappend disable_on_lock \
2471                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2472
2473                .mbar.commit add radiobutton \
2474                        -label [mc "Amend Last Commit"] \
2475                        -command do_select_commit_type \
2476                        -variable selected_commit_type \
2477                        -value amend
2478                lappend disable_on_lock \
2479                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2480
2481                .mbar.commit add separator
2482        }
2483
2484        .mbar.commit add command -label [mc Rescan] \
2485                -command ui_do_rescan \
2486                -accelerator F5
2487        lappend disable_on_lock \
2488                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2489
2490        .mbar.commit add command -label [mc "Stage To Commit"] \
2491                -command do_add_selection \
2492                -accelerator $M1T-T
2493        lappend disable_on_lock \
2494                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2495
2496        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2497                -command do_add_all \
2498                -accelerator $M1T-I
2499        lappend disable_on_lock \
2500                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2501
2502        .mbar.commit add command -label [mc "Unstage From Commit"] \
2503                -command do_unstage_selection
2504        lappend disable_on_lock \
2505                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2506
2507        .mbar.commit add command -label [mc "Revert Changes"] \
2508                -command do_revert_selection
2509        lappend disable_on_lock \
2510                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2511
2512        .mbar.commit add separator
2513
2514        .mbar.commit add command -label [mc "Show Less Context"] \
2515                -command show_less_context \
2516                -accelerator $M1T-\-
2517
2518        .mbar.commit add command -label [mc "Show More Context"] \
2519                -command show_more_context \
2520                -accelerator $M1T-=
2521
2522        .mbar.commit add separator
2523
2524        if {![is_enabled nocommitmsg]} {
2525                .mbar.commit add command -label [mc "Sign Off"] \
2526                        -command do_signoff \
2527                        -accelerator $M1T-S
2528        }
2529
2530        .mbar.commit add command -label [commit_btn_caption] \
2531                -command do_commit \
2532                -accelerator $M1T-Return
2533        lappend disable_on_lock \
2534                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2535}
2536
2537# -- Merge Menu
2538#
2539if {[is_enabled branch]} {
2540        menu .mbar.merge
2541        .mbar.merge add command -label [mc "Local Merge..."] \
2542                -command merge::dialog \
2543                -accelerator $M1T-M
2544        lappend disable_on_lock \
2545                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2546        .mbar.merge add command -label [mc "Abort Merge..."] \
2547                -command merge::reset_hard
2548        lappend disable_on_lock \
2549                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2550}
2551
2552# -- Transport Menu
2553#
2554if {[is_enabled transport]} {
2555        menu .mbar.remote
2556
2557        .mbar.remote add command \
2558                -label [mc "Add..."] \
2559                -command remote_add::dialog \
2560                -accelerator $M1T-A
2561        .mbar.remote add command \
2562                -label [mc "Push..."] \
2563                -command do_push_anywhere \
2564                -accelerator $M1T-P
2565        .mbar.remote add command \
2566                -label [mc "Delete Branch..."] \
2567                -command remote_branch_delete::dialog
2568}
2569
2570if {[is_MacOSX]} {
2571        # -- Apple Menu (Mac OS X only)
2572        #
2573        .mbar add cascade -label Apple -menu .mbar.apple
2574        menu .mbar.apple
2575
2576        .mbar.apple add command -label [mc "About %s" [appname]] \
2577                -command do_about
2578        .mbar.apple add separator
2579        .mbar.apple add command \
2580                -label [mc "Preferences..."] \
2581                -command do_options \
2582                -accelerator $M1T-,
2583        bind . <$M1B-,> do_options
2584} else {
2585        # -- Edit Menu
2586        #
2587        .mbar.edit add separator
2588        .mbar.edit add command -label [mc "Options..."] \
2589                -command do_options
2590}
2591
2592# -- Tools Menu
2593#
2594if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2595        set tools_menubar .mbar.tools
2596        menu $tools_menubar
2597        $tools_menubar add separator
2598        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2599        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2600        set tools_tailcnt 3
2601        if {[array names repo_config guitool.*.cmd] ne {}} {
2602                tools_populate_all
2603        }
2604}
2605
2606# -- Help Menu
2607#
2608.mbar add cascade -label [mc Help] -menu .mbar.help
2609menu .mbar.help
2610
2611if {![is_MacOSX]} {
2612        .mbar.help add command -label [mc "About %s" [appname]] \
2613                -command do_about
2614}
2615
2616
2617set doc_path [githtmldir]
2618if {$doc_path ne {}} {
2619        set doc_path [file join $doc_path index.html]
2620
2621        if {[is_Cygwin]} {
2622                set doc_path [exec cygpath --mixed $doc_path]
2623        }
2624}
2625
2626if {[file isfile $doc_path]} {
2627        set doc_url "file:$doc_path"
2628} else {
2629        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2630}
2631
2632proc start_browser {url} {
2633        git "web--browse" $url
2634}
2635
2636.mbar.help add command -label [mc "Online Documentation"] \
2637        -command [list start_browser $doc_url]
2638
2639.mbar.help add command -label [mc "Show SSH Key"] \
2640        -command do_ssh_key
2641
2642unset doc_path doc_url
2643
2644# -- Standard bindings
2645#
2646wm protocol . WM_DELETE_WINDOW do_quit
2647bind all <$M1B-Key-q> do_quit
2648bind all <$M1B-Key-Q> do_quit
2649bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2650bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2651
2652set subcommand_args {}
2653proc usage {} {
2654        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2655        exit 1
2656}
2657
2658proc normalize_relpath {path} {
2659        set elements {}
2660        foreach item [file split $path] {
2661                if {$item eq {.}} continue
2662                if {$item eq {..} && [llength $elements] > 0
2663                    && [lindex $elements end] ne {..}} {
2664                        set elements [lrange $elements 0 end-1]
2665                        continue
2666                }
2667                lappend elements $item
2668        }
2669        return [eval file join $elements]
2670}
2671
2672# -- Not a normal commit type invocation?  Do that instead!
2673#
2674switch -- $subcommand {
2675browser -
2676blame {
2677        if {$subcommand eq "blame"} {
2678                set subcommand_args {[--line=<num>] rev? path}
2679        } else {
2680                set subcommand_args {rev? path}
2681        }
2682        if {$argv eq {}} usage
2683        set head {}
2684        set path {}
2685        set jump_spec {}
2686        set is_path 0
2687        foreach a $argv {
2688                if {$is_path || [file exists $_prefix$a]} {
2689                        if {$path ne {}} usage
2690                        set path [normalize_relpath $_prefix$a]
2691                        break
2692                } elseif {$a eq {--}} {
2693                        if {$path ne {}} {
2694                                if {$head ne {}} usage
2695                                set head $path
2696                                set path {}
2697                        }
2698                        set is_path 1
2699                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2700                        if {$jump_spec ne {} || $head ne {}} usage
2701                        set jump_spec [list $lnum]
2702                } elseif {$head eq {}} {
2703                        if {$head ne {}} usage
2704                        set head $a
2705                        set is_path 1
2706                } else {
2707                        usage
2708                }
2709        }
2710        unset is_path
2711
2712        if {$head ne {} && $path eq {}} {
2713                set path [normalize_relpath $_prefix$head]
2714                set head {}
2715        }
2716
2717        if {$head eq {}} {
2718                load_current_branch
2719        } else {
2720                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2721                        if {[catch {
2722                                        set head [git rev-parse --verify $head]
2723                                } err]} {
2724                                puts stderr $err
2725                                exit 1
2726                        }
2727                }
2728                set current_branch $head
2729        }
2730
2731        switch -- $subcommand {
2732        browser {
2733                if {$jump_spec ne {}} usage
2734                if {$head eq {}} {
2735                        if {$path ne {} && [file isdirectory $path]} {
2736                                set head $current_branch
2737                        } else {
2738                                set head $path
2739                                set path {}
2740                        }
2741                }
2742                browser::new $head $path
2743        }
2744        blame   {
2745                if {$head eq {} && ![file exists $path]} {
2746                        puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2747                        exit 1
2748                }
2749                blame::new $head $path $jump_spec
2750        }
2751        }
2752        return
2753}
2754citool -
2755gui {
2756        if {[llength $argv] != 0} {
2757                puts -nonewline stderr "usage: $argv0"
2758                if {$subcommand ne {gui}
2759                        && [file tail $argv0] ne "git-$subcommand"} {
2760                        puts -nonewline stderr " $subcommand"
2761                }
2762                puts stderr {}
2763                exit 1
2764        }
2765        # fall through to setup UI for commits
2766}
2767default {
2768        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2769        exit 1
2770}
2771}
2772
2773# -- Branch Control
2774#
2775frame .branch \
2776        -borderwidth 1 \
2777        -relief sunken
2778label .branch.l1 \
2779        -text [mc "Current Branch:"] \
2780        -anchor w \
2781        -justify left
2782label .branch.cb \
2783        -textvariable current_branch \
2784        -anchor w \
2785        -justify left
2786pack .branch.l1 -side left
2787pack .branch.cb -side left -fill x
2788pack .branch -side top -fill x
2789
2790# -- Main Window Layout
2791#
2792panedwindow .vpane -orient horizontal
2793panedwindow .vpane.files -orient vertical
2794.vpane add .vpane.files -sticky nsew -height 100 -width 200
2795pack .vpane -anchor n -side top -fill both -expand 1
2796
2797# -- Index File List
2798#
2799frame .vpane.files.index -height 100 -width 200
2800label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2801        -background lightgreen -foreground black
2802text $ui_index -background white -foreground black \
2803        -borderwidth 0 \
2804        -width 20 -height 10 \
2805        -wrap none \
2806        -cursor $cursor_ptr \
2807        -xscrollcommand {.vpane.files.index.sx set} \
2808        -yscrollcommand {.vpane.files.index.sy set} \
2809        -state disabled
2810scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2811scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2812pack .vpane.files.index.title -side top -fill x
2813pack .vpane.files.index.sx -side bottom -fill x
2814pack .vpane.files.index.sy -side right -fill y
2815pack $ui_index -side left -fill both -expand 1
2816
2817# -- Working Directory File List
2818#
2819frame .vpane.files.workdir -height 100 -width 200
2820label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2821        -background lightsalmon -foreground black
2822text $ui_workdir -background white -foreground black \
2823        -borderwidth 0 \
2824        -width 20 -height 10 \
2825        -wrap none \
2826        -cursor $cursor_ptr \
2827        -xscrollcommand {.vpane.files.workdir.sx set} \
2828        -yscrollcommand {.vpane.files.workdir.sy set} \
2829        -state disabled
2830scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2831scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2832pack .vpane.files.workdir.title -side top -fill x
2833pack .vpane.files.workdir.sx -side bottom -fill x
2834pack .vpane.files.workdir.sy -side right -fill y
2835pack $ui_workdir -side left -fill both -expand 1
2836
2837.vpane.files add .vpane.files.workdir -sticky nsew
2838.vpane.files add .vpane.files.index -sticky nsew
2839
2840foreach i [list $ui_index $ui_workdir] {
2841        rmsel_tag $i
2842        $i tag conf in_diff -background [$i tag cget in_sel -background]
2843}
2844unset i
2845
2846# -- Diff and Commit Area
2847#
2848frame .vpane.lower -height 300 -width 400
2849frame .vpane.lower.commarea
2850frame .vpane.lower.diff -relief sunken -borderwidth 1
2851pack .vpane.lower.diff -fill both -expand 1
2852pack .vpane.lower.commarea -side bottom -fill x
2853.vpane add .vpane.lower -sticky nsew
2854
2855# -- Commit Area Buttons
2856#
2857frame .vpane.lower.commarea.buttons
2858label .vpane.lower.commarea.buttons.l -text {} \
2859        -anchor w \
2860        -justify left
2861pack .vpane.lower.commarea.buttons.l -side top -fill x
2862pack .vpane.lower.commarea.buttons -side left -fill y
2863
2864button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2865        -command ui_do_rescan
2866pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2867lappend disable_on_lock \
2868        {.vpane.lower.commarea.buttons.rescan conf -state}
2869
2870button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2871        -command do_add_all
2872pack .vpane.lower.commarea.buttons.incall -side top -fill x
2873lappend disable_on_lock \
2874        {.vpane.lower.commarea.buttons.incall conf -state}
2875
2876if {![is_enabled nocommitmsg]} {
2877        button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2878                -command do_signoff
2879        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2880}
2881
2882button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2883        -command do_commit
2884pack .vpane.lower.commarea.buttons.commit -side top -fill x
2885lappend disable_on_lock \
2886        {.vpane.lower.commarea.buttons.commit conf -state}
2887
2888if {![is_enabled nocommit]} {
2889        button .vpane.lower.commarea.buttons.push -text [mc Push] \
2890                -command do_push_anywhere
2891        pack .vpane.lower.commarea.buttons.push -side top -fill x
2892}
2893
2894# -- Commit Message Buffer
2895#
2896frame .vpane.lower.commarea.buffer
2897frame .vpane.lower.commarea.buffer.header
2898set ui_comm .vpane.lower.commarea.buffer.t
2899set ui_coml .vpane.lower.commarea.buffer.header.l
2900
2901if {![is_enabled nocommit]} {
2902        radiobutton .vpane.lower.commarea.buffer.header.new \
2903                -text [mc "New Commit"] \
2904                -command do_select_commit_type \
2905                -variable selected_commit_type \
2906                -value new
2907        lappend disable_on_lock \
2908                [list .vpane.lower.commarea.buffer.header.new conf -state]
2909        radiobutton .vpane.lower.commarea.buffer.header.amend \
2910                -text [mc "Amend Last Commit"] \
2911                -command do_select_commit_type \
2912                -variable selected_commit_type \
2913                -value amend
2914        lappend disable_on_lock \
2915                [list .vpane.lower.commarea.buffer.header.amend conf -state]
2916}
2917
2918label $ui_coml \
2919        -anchor w \
2920        -justify left
2921proc trace_commit_type {varname args} {
2922        global ui_coml commit_type
2923        switch -glob -- $commit_type {
2924        initial       {set txt [mc "Initial Commit Message:"]}
2925        amend         {set txt [mc "Amended Commit Message:"]}
2926        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2927        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2928        merge         {set txt [mc "Merge Commit Message:"]}
2929        *             {set txt [mc "Commit Message:"]}
2930        }
2931        $ui_coml conf -text $txt
2932}
2933trace add variable commit_type write trace_commit_type
2934pack $ui_coml -side left -fill x
2935
2936if {![is_enabled nocommit]} {
2937        pack .vpane.lower.commarea.buffer.header.amend -side right
2938        pack .vpane.lower.commarea.buffer.header.new -side right
2939}
2940
2941text $ui_comm -background white -foreground black \
2942        -borderwidth 1 \
2943        -undo true \
2944        -maxundo 20 \
2945        -autoseparators true \
2946        -relief sunken \
2947        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2948        -font font_diff \
2949        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2950scrollbar .vpane.lower.commarea.buffer.sby \
2951        -command [list $ui_comm yview]
2952pack .vpane.lower.commarea.buffer.header -side top -fill x
2953pack .vpane.lower.commarea.buffer.sby -side right -fill y
2954pack $ui_comm -side left -fill y
2955pack .vpane.lower.commarea.buffer -side left -fill y
2956
2957# -- Commit Message Buffer Context Menu
2958#
2959set ctxm .vpane.lower.commarea.buffer.ctxm
2960menu $ctxm -tearoff 0
2961$ctxm add command \
2962        -label [mc Cut] \
2963        -command {tk_textCut $ui_comm}
2964$ctxm add command \
2965        -label [mc Copy] \
2966        -command {tk_textCopy $ui_comm}
2967$ctxm add command \
2968        -label [mc Paste] \
2969        -command {tk_textPaste $ui_comm}
2970$ctxm add command \
2971        -label [mc Delete] \
2972        -command {catch {$ui_comm delete sel.first sel.last}}
2973$ctxm add separator
2974$ctxm add command \
2975        -label [mc "Select All"] \
2976        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2977$ctxm add command \
2978        -label [mc "Copy All"] \
2979        -command {
2980                $ui_comm tag add sel 0.0 end
2981                tk_textCopy $ui_comm
2982                $ui_comm tag remove sel 0.0 end
2983        }
2984$ctxm add separator
2985$ctxm add command \
2986        -label [mc "Sign Off"] \
2987        -command do_signoff
2988set ui_comm_ctxm $ctxm
2989
2990# -- Diff Header
2991#
2992proc trace_current_diff_path {varname args} {
2993        global current_diff_path diff_actions file_states
2994        if {$current_diff_path eq {}} {
2995                set s {}
2996                set f {}
2997                set p {}
2998                set o disabled
2999        } else {
3000                set p $current_diff_path
3001                set s [mapdesc [lindex $file_states($p) 0] $p]
3002                set f [mc "File:"]
3003                set p [escape_path $p]
3004                set o normal
3005        }
3006
3007        .vpane.lower.diff.header.status configure -text $s
3008        .vpane.lower.diff.header.file configure -text $f
3009        .vpane.lower.diff.header.path configure -text $p
3010        foreach w $diff_actions {
3011                uplevel #0 $w $o
3012        }
3013}
3014trace add variable current_diff_path write trace_current_diff_path
3015
3016frame .vpane.lower.diff.header -background gold
3017label .vpane.lower.diff.header.status \
3018        -background gold \
3019        -foreground black \
3020        -width $max_status_desc \
3021        -anchor w \
3022        -justify left
3023label .vpane.lower.diff.header.file \
3024        -background gold \
3025        -foreground black \
3026        -anchor w \
3027        -justify left
3028label .vpane.lower.diff.header.path \
3029        -background gold \
3030        -foreground black \
3031        -anchor w \
3032        -justify left
3033pack .vpane.lower.diff.header.status -side left
3034pack .vpane.lower.diff.header.file -side left
3035pack .vpane.lower.diff.header.path -fill x
3036set ctxm .vpane.lower.diff.header.ctxm
3037menu $ctxm -tearoff 0
3038$ctxm add command \
3039        -label [mc Copy] \
3040        -command {
3041                clipboard clear
3042                clipboard append \
3043                        -format STRING \
3044                        -type STRING \
3045                        -- $current_diff_path
3046        }
3047lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3048bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3049
3050# -- Diff Body
3051#
3052frame .vpane.lower.diff.body
3053set ui_diff .vpane.lower.diff.body.t
3054text $ui_diff -background white -foreground black \
3055        -borderwidth 0 \
3056        -width 80 -height 15 -wrap none \
3057        -font font_diff \
3058        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3059        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3060        -state disabled
3061scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3062        -command [list $ui_diff xview]
3063scrollbar .vpane.lower.diff.body.sby -orient vertical \
3064        -command [list $ui_diff yview]
3065pack .vpane.lower.diff.body.sbx -side bottom -fill x
3066pack .vpane.lower.diff.body.sby -side right -fill y
3067pack $ui_diff -side left -fill both -expand 1
3068pack .vpane.lower.diff.header -side top -fill x
3069pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3070
3071$ui_diff tag conf d_cr -elide true
3072$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3073$ui_diff tag conf d_+ -foreground {#00a000}
3074$ui_diff tag conf d_- -foreground red
3075
3076$ui_diff tag conf d_++ -foreground {#00a000}
3077$ui_diff tag conf d_-- -foreground red
3078$ui_diff tag conf d_+s \
3079        -foreground {#00a000} \
3080        -background {#e2effa}
3081$ui_diff tag conf d_-s \
3082        -foreground red \
3083        -background {#e2effa}
3084$ui_diff tag conf d_s+ \
3085        -foreground {#00a000} \
3086        -background ivory1
3087$ui_diff tag conf d_s- \
3088        -foreground red \
3089        -background ivory1
3090
3091$ui_diff tag conf d<<<<<<< \
3092        -foreground orange \
3093        -font font_diffbold
3094$ui_diff tag conf d======= \
3095        -foreground orange \
3096        -font font_diffbold
3097$ui_diff tag conf d>>>>>>> \
3098        -foreground orange \
3099        -font font_diffbold
3100
3101$ui_diff tag raise sel
3102
3103# -- Diff Body Context Menu
3104#
3105
3106proc create_common_diff_popup {ctxm} {
3107        $ctxm add command \
3108                -label [mc "Show Less Context"] \
3109                -command show_less_context
3110        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3111        $ctxm add command \
3112                -label [mc "Show More Context"] \
3113                -command show_more_context
3114        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3115        $ctxm add separator
3116        $ctxm add command \
3117                -label [mc Refresh] \
3118                -command reshow_diff
3119        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3120        $ctxm add command \
3121                -label [mc Copy] \
3122                -command {tk_textCopy $ui_diff}
3123        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3124        $ctxm add command \
3125                -label [mc "Select All"] \
3126                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3127        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3128        $ctxm add command \
3129                -label [mc "Copy All"] \
3130                -command {
3131                        $ui_diff tag add sel 0.0 end
3132                        tk_textCopy $ui_diff
3133                        $ui_diff tag remove sel 0.0 end
3134                }
3135        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3136        $ctxm add separator
3137        $ctxm add command \
3138                -label [mc "Decrease Font Size"] \
3139                -command {incr_font_size font_diff -1}
3140        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3141        $ctxm add command \
3142                -label [mc "Increase Font Size"] \
3143                -command {incr_font_size font_diff 1}
3144        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3145        $ctxm add separator
3146        set emenu $ctxm.enc
3147        menu $emenu
3148        build_encoding_menu $emenu [list force_diff_encoding]
3149        $ctxm add cascade \
3150                -label [mc "Encoding"] \
3151                -menu $emenu
3152        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3153        $ctxm add separator
3154        $ctxm add command -label [mc "Options..."] \
3155                -command do_options
3156}
3157
3158set ctxm .vpane.lower.diff.body.ctxm
3159menu $ctxm -tearoff 0
3160$ctxm add command \
3161        -label [mc "Apply/Reverse Hunk"] \
3162        -command {apply_hunk $cursorX $cursorY}
3163set ui_diff_applyhunk [$ctxm index last]
3164lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3165$ctxm add command \
3166        -label [mc "Apply/Reverse Line"] \
3167        -command {apply_line $cursorX $cursorY; do_rescan}
3168set ui_diff_applyline [$ctxm index last]
3169lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3170$ctxm add separator
3171create_common_diff_popup $ctxm
3172
3173set ctxmmg .vpane.lower.diff.body.ctxmmg
3174menu $ctxmmg -tearoff 0
3175$ctxmmg add command \
3176        -label [mc "Run Merge Tool"] \
3177        -command {merge_resolve_tool}
3178lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3179$ctxmmg add separator
3180$ctxmmg add command \
3181        -label [mc "Use Remote Version"] \
3182        -command {merge_resolve_one 3}
3183lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3184$ctxmmg add command \
3185        -label [mc "Use Local Version"] \
3186        -command {merge_resolve_one 2}
3187lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3188$ctxmmg add command \
3189        -label [mc "Revert To Base"] \
3190        -command {merge_resolve_one 1}
3191lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3192$ctxmmg add separator
3193create_common_diff_popup $ctxmmg
3194
3195proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3196        global current_diff_path file_states
3197        set ::cursorX $x
3198        set ::cursorY $y
3199        if {[info exists file_states($current_diff_path)]} {
3200                set state [lindex $file_states($current_diff_path) 0]
3201        } else {
3202                set state {__}
3203        }
3204        if {[string first {U} $state] >= 0} {
3205                tk_popup $ctxmmg $X $Y
3206        } else {
3207                if {$::ui_index eq $::current_diff_side} {
3208                        set l [mc "Unstage Hunk From Commit"]
3209                        set t [mc "Unstage Line From Commit"]
3210                } else {
3211                        set l [mc "Stage Hunk For Commit"]
3212                        set t [mc "Stage Line For Commit"]
3213                }
3214                if {$::is_3way_diff
3215                        || $current_diff_path eq {}
3216                        || {__} eq $state
3217                        || {_O} eq $state
3218                        || {_T} eq $state
3219                        || {T_} eq $state} {
3220                        set s disabled
3221                } else {
3222                        set s normal
3223                }
3224                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3225                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3226                tk_popup $ctxm $X $Y
3227        }
3228}
3229bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3230
3231# -- Status Bar
3232#
3233set main_status [::status_bar::new .status]
3234pack .status -anchor w -side bottom -fill x
3235$main_status show [mc "Initializing..."]
3236
3237# -- Load geometry
3238#
3239catch {
3240set gm $repo_config(gui.geometry)
3241wm geometry . [lindex $gm 0]
3242.vpane sash place 0 \
3243        [lindex $gm 1] \
3244        [lindex [.vpane sash coord 0] 1]
3245.vpane.files sash place 0 \
3246        [lindex [.vpane.files sash coord 0] 0] \
3247        [lindex $gm 2]
3248unset gm
3249}
3250
3251# -- Key Bindings
3252#
3253bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3254bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3255bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3256bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3257bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3258bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3259bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3260bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3261bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3262bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3263bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3264bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3265bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3266bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3267bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3268bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3269bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3270bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3271
3272bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3273bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3274bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3275bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3276bind $ui_diff <$M1B-Key-v> {break}
3277bind $ui_diff <$M1B-Key-V> {break}
3278bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3279bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3280bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3281bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3282bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3283bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3284bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3285bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3286bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3287bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3288bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3289bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3290bind $ui_diff <Button-1>   {focus %W}
3291
3292if {[is_enabled branch]} {
3293        bind . <$M1B-Key-n> branch_create::dialog
3294        bind . <$M1B-Key-N> branch_create::dialog
3295        bind . <$M1B-Key-o> branch_checkout::dialog
3296        bind . <$M1B-Key-O> branch_checkout::dialog
3297        bind . <$M1B-Key-m> merge::dialog
3298        bind . <$M1B-Key-M> merge::dialog
3299}
3300if {[is_enabled transport]} {
3301        bind . <$M1B-Key-p> do_push_anywhere
3302        bind . <$M1B-Key-P> do_push_anywhere
3303}
3304
3305bind .   <Key-F5>     ui_do_rescan
3306bind .   <$M1B-Key-r> ui_do_rescan
3307bind .   <$M1B-Key-R> ui_do_rescan
3308bind .   <$M1B-Key-s> do_signoff
3309bind .   <$M1B-Key-S> do_signoff
3310bind .   <$M1B-Key-t> do_add_selection
3311bind .   <$M1B-Key-T> do_add_selection
3312bind .   <$M1B-Key-i> do_add_all
3313bind .   <$M1B-Key-I> do_add_all
3314bind .   <$M1B-Key-minus> {show_less_context;break}
3315bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3316bind .   <$M1B-Key-equal> {show_more_context;break}
3317bind .   <$M1B-Key-plus> {show_more_context;break}
3318bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3319bind .   <$M1B-Key-Return> do_commit
3320foreach i [list $ui_index $ui_workdir] {
3321        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3322        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3323        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3324}
3325unset i
3326
3327set file_lists($ui_index) [list]
3328set file_lists($ui_workdir) [list]
3329
3330wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3331focus -force $ui_comm
3332
3333# -- Warn the user about environmental problems.  Cygwin's Tcl
3334#    does *not* pass its env array onto any processes it spawns.
3335#    This means that git processes get none of our environment.
3336#
3337if {[is_Cygwin]} {
3338        set ignored_env 0
3339        set suggest_user {}
3340        set msg [mc "Possible environment issues exist.
3341
3342The following environment variables are probably
3343going to be ignored by any Git subprocess run
3344by %s:
3345
3346" [appname]]
3347        foreach name [array names env] {
3348                switch -regexp -- $name {
3349                {^GIT_INDEX_FILE$} -
3350                {^GIT_OBJECT_DIRECTORY$} -
3351                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3352                {^GIT_DIFF_OPTS$} -
3353                {^GIT_EXTERNAL_DIFF$} -
3354                {^GIT_PAGER$} -
3355                {^GIT_TRACE$} -
3356                {^GIT_CONFIG$} -
3357                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3358                        append msg " - $name\n"
3359                        incr ignored_env
3360                }
3361                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3362                        append msg " - $name\n"
3363                        incr ignored_env
3364                        set suggest_user $name
3365                }
3366                }
3367        }
3368        if {$ignored_env > 0} {
3369                append msg [mc "
3370This is due to a known issue with the
3371Tcl binary distributed by Cygwin."]
3372
3373                if {$suggest_user ne {}} {
3374                        append msg [mc "
3375
3376A good replacement for %s
3377is placing values for the user.name and
3378user.email settings into your personal
3379~/.gitconfig file.
3380" $suggest_user]
3381                }
3382                warn_popup $msg
3383        }
3384        unset ignored_env msg suggest_user name
3385}
3386
3387# -- Only initialize complex UI if we are going to stay running.
3388#
3389if {[is_enabled transport]} {
3390        load_all_remotes
3391
3392        set n [.mbar.remote index end]
3393        populate_remotes_menu
3394        set n [expr {[.mbar.remote index end] - $n}]
3395        if {$n > 0} {
3396                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3397                .mbar.remote insert $n separator
3398        }
3399        unset n
3400}
3401
3402if {[winfo exists $ui_comm]} {
3403        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3404
3405        # -- If both our backup and message files exist use the
3406        #    newer of the two files to initialize the buffer.
3407        #
3408        if {$GITGUI_BCK_exists} {
3409                set m [gitdir GITGUI_MSG]
3410                if {[file isfile $m]} {
3411                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3412                                catch {file delete [gitdir GITGUI_MSG]}
3413                        } else {
3414                                $ui_comm delete 0.0 end
3415                                $ui_comm edit reset
3416                                $ui_comm edit modified false
3417                                catch {file delete [gitdir GITGUI_BCK]}
3418                                set GITGUI_BCK_exists 0
3419                        }
3420                }
3421                unset m
3422        }
3423
3424        proc backup_commit_buffer {} {
3425                global ui_comm GITGUI_BCK_exists
3426
3427                set m [$ui_comm edit modified]
3428                if {$m || $GITGUI_BCK_exists} {
3429                        set msg [string trim [$ui_comm get 0.0 end]]
3430                        regsub -all -line {[ \r\t]+$} $msg {} msg
3431
3432                        if {$msg eq {}} {
3433                                if {$GITGUI_BCK_exists} {
3434                                        catch {file delete [gitdir GITGUI_BCK]}
3435                                        set GITGUI_BCK_exists 0
3436                                }
3437                        } elseif {$m} {
3438                                catch {
3439                                        set fd [open [gitdir GITGUI_BCK] w]
3440                                        puts -nonewline $fd $msg
3441                                        close $fd
3442                                        set GITGUI_BCK_exists 1
3443                                }
3444                        }
3445
3446                        $ui_comm edit modified false
3447                }
3448
3449                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3450        }
3451
3452        backup_commit_buffer
3453
3454        # -- If the user has aspell available we can drive it
3455        #    in pipe mode to spellcheck the commit message.
3456        #
3457        set spell_cmd [list |]
3458        set spell_dict [get_config gui.spellingdictionary]
3459        lappend spell_cmd aspell
3460        if {$spell_dict ne {}} {
3461                lappend spell_cmd --master=$spell_dict
3462        }
3463        lappend spell_cmd --mode=none
3464        lappend spell_cmd --encoding=utf-8
3465        lappend spell_cmd pipe
3466        if {$spell_dict eq {none}
3467         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3468                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3469        } else {
3470                set ui_comm_spell [spellcheck::init \
3471                        $spell_fd \
3472                        $ui_comm \
3473                        $ui_comm_ctxm \
3474                ]
3475        }
3476        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3477}
3478
3479lock_index begin-read
3480if {![winfo ismapped .]} {
3481        wm deiconify .
3482}
3483after 1 {
3484        if {[is_enabled initialamend]} {
3485                force_amend
3486        } else {
3487                do_rescan
3488        }
3489
3490        if {[is_enabled nocommitmsg]} {
3491                $ui_comm configure -state disabled -background gray
3492        }
3493}
3494if {[is_enabled multicommit]} {
3495        after 1000 hint_gc
3496}
3497if {[is_enabled retcode]} {
3498        bind . <Destroy> {+terminate_me %W}
3499}
3500if {$picked && [is_config_true gui.autoexplore]} {
3501        do_explore
3502}