git-gui.sh

   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
  12 set appvers {@@GITGUI_VERSION@@}
  13 set copyright [encoding convertfrom utf-8 {
  14 Copyright © 2006, 2007 Shawn Pearce, et. al.
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License as published by
  18 the Free Software Foundation; either version 2 of the License, or
  19 (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30 ######################################################################
  31 ##
  32 ## Tcl/Tk sanity check
  33
  34 if {[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 $err
  43         exit 1
  44 }
  45
  46 catch {rename send {}} ; # What an evil concept...
  47
  48 ######################################################################
  49 ##
  50 ## locate our library
  51
  52 set oguilib {@@GITGUI_LIBDIR@@}
  53 set oguirel {@@GITGUI_RELATIVE@@}
  54 if {$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 }
  68 unset oguirel
  69
  70 ######################################################################
  71 ##
  72 ## enable verbose loading?
  73
  74 if {![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
  93 package require msgcat
  94
  95 proc _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
 103 proc 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
 111 proc strcat {args} {
 112         return [join $args {}]
 113 }
 114
 115 ::msgcat::mcload $oguimsg
 116 unset oguimsg
 117
 118 ######################################################################
 119 ##
 120 ## read only globals
 121
 122 set _appname {Git Gui}
 123 set _gitdir {}
 124 set _gitexec {}
 125 set _githtmldir {}
 126 set _reponame {}
 127 set _iscygwin {}
 128 set _search_path {}
 129
 130 set _trace [lsearch -exact $argv --trace]
 131 if {$_trace >= 0} {
 132         set argv [lreplace $argv $_trace $_trace]
 133         set _trace 1
 134 } else {
 135         set _trace 0
 136 }
 137
 138 proc appname {} {
 139         global _appname
 140         return $_appname
 141 }
 142
 143 proc gitdir {args} {
 144         global _gitdir
 145         if {$args eq {}} {
 146                 return $_gitdir
 147         }
 148         return [eval [list file join $_gitdir] $args]
 149 }
 150
 151 proc gitexec {args} {
 152         global _gitexec
 153         if {$_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] $args]
 170 }
 171
 172 proc githtmldir {args} {
 173         global _githtmldir
 174         if {$_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
 194 proc reponame {} {
 195         return $::_reponame
 196 }
 197
 198 proc is_MacOSX {} {
 199         if {[tk windowingsystem] eq {aqua}} {
 200                 return 1
 201         }
 202         return 0
 203 }
 204
 205 proc is_Windows {} {
 206         if {$::tcl_platform(platform) eq {windows}} {
 207                 return 1
 208         }
 209         return 0
 210 }
 211
 212 proc 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
 228 proc is_enabled {option} {
 229         global enabled_options
 230         if {[catch {set on $enabled_options($option)}]} {return 0}
 231         return $on
 232 }
 233
 234 proc enable_option {option} {
 235         global enabled_options
 236         set enabled_options($option) 1
 237 }
 238
 239 proc disable_option {option} {
 240         global enabled_options
 241         set enabled_options($option) 0
 242 }
 243
 244 ######################################################################
 245 ##
 246 ## config
 247
 248 proc 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
 259 proc 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
 270 proc get_config {name} {
 271         global repo_config
 272         if {[catch {set v $repo_config($name)}]} {
 273                 return {}
 274         } else {
 275                 return $v
 276         }
 277 }
 278
 279 ######################################################################
 280 ##
 281 ## handy utils
 282
 283 proc _trace_exec {cmd} {
 284         if {!$::_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
 298 proc _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 $v
 345 }
 346
 347 proc _which {what args} {
 348         global env _search_exe _search_path
 349
 350         if {$_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
 385 proc _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
 397 proc 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
 426 proc _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
 452 proc 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
 480 proc 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
 505 proc 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
 533 proc 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
 547 proc 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
 560 proc sq {value} {
 561         regsub -all ' $value "'\\''" value
 562         return "'$value'"
 563 }
 564
 565 proc 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
 590 auto_load tk_optionMenu
 591 rename tk_optionMenu real__tkOptionMenu
 592 proc 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
 599 proc 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
 609 set root_exists 0
 610 bind . <Visibility> {
 611         bind . <Visibility> {}
 612         set root_exists 1
 613 }
 614
 615 if {[is_Windows]} {
 616         wm iconbitmap . -default $oguilib/git-gui.ico
 617         set ::tk::AlwaysShowSelection 1
 618
 619         # Spoof an X11 display for SSH
 620         if {![info exists env(DISPLAY)]} {
 621                 set env(DISPLAY) :9999
 622         }
 623 } else {
 624         catch {
 625                 image create photo gitlogo -width 16 -height 16
 626
 627                 gitlogo put #33CC33 -to  7  0  9  2
 628                 gitlogo put #33CC33 -to  4  2 12  4
 629                 gitlogo put #33CC33 -to  7  4  9  6
 630                 gitlogo put #CC3333 -to  4  6 12  8
 631                 gitlogo put gray26  -to  4  9  6 10
 632                 gitlogo put gray26  -to  3 10  6 12
 633                 gitlogo put gray26  -to  8  9 13 11
 634                 gitlogo put gray26  -to  8 11 10 12
 635                 gitlogo put gray26  -to 11 11 13 14
 636                 gitlogo put gray26  -to  3 12  5 14
 637                 gitlogo put gray26  -to  5 13
 638                 gitlogo put gray26  -to 10 13
 639                 gitlogo put gray26  -to  4 14 12 15
 640                 gitlogo put gray26  -to  5 15 11 16
 641                 gitlogo redither
 642
 643                 wm iconphoto . -default gitlogo
 644         }
 645 }
 646
 647 ######################################################################
 648 ##
 649 ## config defaults
 650
 651 set cursor_ptr arrow
 652 font create font_diff -family Courier -size 10
 653 font create font_ui
 654 catch {
 655         label .dummy
 656         eval font configure font_ui [font actual [.dummy cget -font]]
 657         destroy .dummy
 658 }
 659
 660 font create font_uiitalic
 661 font create font_uibold
 662 font create font_diffbold
 663 font create font_diffitalic
 664
 665 foreach class {Button Checkbutton Entry Label
 666                 Labelframe Listbox Message
 667                 Radiobutton Spinbox Text} {
 668         option add *$class.font font_ui
 669 }
 670 if {![is_MacOSX]} {
 671         option add *Menu.font font_ui
 672 }
 673 unset class
 674
 675 if {[is_Windows] || [is_MacOSX]} {
 676         option add *Menu.tearOff 0
 677 }
 678
 679 if {[is_MacOSX]} {
 680         set M1B M1
 681         set M1T Cmd
 682 } else {
 683         set M1B Control
 684         set M1T Ctrl
 685 }
 686
 687 proc bind_button3 {w cmd} {
 688         bind $w <Any-Button-3> $cmd
 689         if {[is_MacOSX]} {
 690                 # Mac OS X sends Button-2 on right click through three-button mouse,
 691                 # or through trackpad right-clicking (two-finger touch + click).
 692                 bind $w <Any-Button-2> $cmd
 693                 bind $w <Control-Button-1> $cmd
 694         }
 695 }
 696
 697 proc apply_config {} {
 698         global repo_config font_descs
 699
 700         foreach option $font_descs {
 701                 set name [lindex $option 0]
 702                 set font [lindex $option 1]
 703                 if {[catch {
 704                         set need_weight 1
 705                         foreach {cn cv} $repo_config(gui.$name) {
 706                                 if {$cn eq {-weight}} {
 707                                         set need_weight 0
 708                                 }
 709                                 font configure $font $cn $cv
 710                         }
 711                         if {$need_weight} {
 712                                 font configure $font -weight normal
 713                         }
 714                         } err]} {
 715                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 716                 }
 717                 foreach {cn cv} [font configure $font] {
 718                         font configure ${font}bold $cn $cv
 719                         font configure ${font}italic $cn $cv
 720                 }
 721                 font configure ${font}bold -weight bold
 722                 font configure ${font}italic -slant italic
 723         }
 724 }
 725
 726 set default_config(branch.autosetupmerge) true
 727 set default_config(merge.tool) {}
 728 set default_config(mergetool.keepbackup) true
 729 set default_config(merge.diffstat) true
 730 set default_config(merge.summary) false
 731 set default_config(merge.verbosity) 2
 732 set default_config(user.name) {}
 733 set default_config(user.email) {}
 734
 735 set default_config(gui.encoding) [encoding system]
 736 set default_config(gui.matchtrackingbranch) false
 737 set default_config(gui.pruneduringfetch) false
 738 set default_config(gui.trustmtime) false
 739 set default_config(gui.fastcopyblame) false
 740 set default_config(gui.copyblamethreshold) 40
 741 set default_config(gui.blamehistoryctx) 7
 742 set default_config(gui.diffcontext) 5
 743 set default_config(gui.commitmsgwidth) 75
 744 set default_config(gui.newbranchtemplate) {}
 745 set default_config(gui.spellingdictionary) {}
 746 set default_config(gui.fontui) [font configure font_ui]
 747 set default_config(gui.fontdiff) [font configure font_diff]
 748 # TODO: this option should be added to the git-config documentation
 749 set default_config(gui.maxfilesdisplayed) 5000
 750 set font_descs {
 751         {fontui   font_ui   {mc "Main Font"}}
 752         {fontdiff font_diff {mc "Diff/Console Font"}}
 753 }
 754
 755 ######################################################################
 756 ##
 757 ## find git
 758
 759 set _git  [_which git]
 760 if {$_git eq {}} {
 761         catch {wm withdraw .}
 762         tk_messageBox \
 763                 -icon error \
 764                 -type ok \
 765                 -title [mc "git-gui: fatal error"] \
 766                 -message [mc "Cannot find git in PATH."]
 767         exit 1
 768 }
 769
 770 ######################################################################
 771 ##
 772 ## version check
 773
 774 if {[catch {set _git_version [git --version]} err]} {
 775         catch {wm withdraw .}
 776         tk_messageBox \
 777                 -icon error \
 778                 -type ok \
 779                 -title [mc "git-gui: fatal error"] \
 780                 -message "Cannot determine Git version:
 781
 782 $err
 783
 784 [appname] requires Git 1.5.0 or later."
 785         exit 1
 786 }
 787 if {![regsub {^git version } $_git_version {} _git_version]} {
 788         catch {wm withdraw .}
 789         tk_messageBox \
 790                 -icon error \
 791                 -type ok \
 792                 -title [mc "git-gui: fatal error"] \
 793                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 794         exit 1
 795 }
 796
 797 set _real_git_version $_git_version
 798 regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 799 regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 800 regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 801 regsub {\.GIT$} $_git_version {} _git_version
 802 regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 803
 804 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 805         catch {wm withdraw .}
 806         if {[tk_messageBox \
 807                 -icon warning \
 808                 -type yesno \
 809                 -default no \
 810                 -title "[appname]: warning" \
 811                  -message [mc "Git version cannot be determined.
 812
 813 %s claims it is version '%s'.
 814
 815 %s requires at least Git 1.5.0 or later.
 816
 817 Assume '%s' is version 1.5.0?
 818 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 819                 set _git_version 1.5.0
 820         } else {
 821                 exit 1
 822         }
 823 }
 824 unset _real_git_version
 825
 826 proc git-version {args} {
 827         global _git_version
 828
 829         switch [llength $args] {
 830         0 {
 831                 return $_git_version
 832         }
 833
 834         2 {
 835                 set op [lindex $args 0]
 836                 set vr [lindex $args 1]
 837                 set cm [package vcompare $_git_version $vr]
 838                 return [expr $cm $op 0]
 839         }
 840
 841         4 {
 842                 set type [lindex $args 0]
 843                 set name [lindex $args 1]
 844                 set parm [lindex $args 2]
 845                 set body [lindex $args 3]
 846
 847                 if {($type ne {proc} && $type ne {method})} {
 848                         error "Invalid arguments to git-version"
 849                 }
 850                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 851                         error "Last arm of $type $name must be default"
 852                 }
 853
 854                 foreach {op vr cb} [lrange $body 0 end-2] {
 855                         if {[git-version $op $vr]} {
 856                                 return [uplevel [list $type $name $parm $cb]]
 857                         }
 858                 }
 859
 860                 return [uplevel [list $type $name $parm [lindex $body end]]]
 861         }
 862
 863         default {
 864                 error "git-version >= x"
 865         }
 866
 867         }
 868 }
 869
 870 if {[git-version < 1.5]} {
 871         catch {wm withdraw .}
 872         tk_messageBox \
 873                 -icon error \
 874                 -type ok \
 875                 -title [mc "git-gui: fatal error"] \
 876                 -message "[appname] requires Git 1.5.0 or later.
 877
 878 You are using [git-version]:
 879
 880 [git --version]"
 881         exit 1
 882 }
 883
 884 ######################################################################
 885 ##
 886 ## configure our library
 887
 888 set idx [file join $oguilib tclIndex]
 889 if {[catch {set fd [open $idx r]} err]} {
 890         catch {wm withdraw .}
 891         tk_messageBox \
 892                 -icon error \
 893                 -type ok \
 894                 -title [mc "git-gui: fatal error"] \
 895                 -message $err
 896         exit 1
 897 }
 898 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 899         set idx [list]
 900         while {[gets $fd n] >= 0} {
 901                 if {$n ne {} && ![string match #* $n]} {
 902                         lappend idx $n
 903                 }
 904         }
 905 } else {
 906         set idx {}
 907 }
 908 close $fd
 909
 910 if {$idx ne {}} {
 911         set loaded [list]
 912         foreach p $idx {
 913                 if {[lsearch -exact $loaded $p] >= 0} continue
 914                 source [file join $oguilib $p]
 915                 lappend loaded $p
 916         }
 917         unset loaded p
 918 } else {
 919         set auto_path [concat [list $oguilib] $auto_path]
 920 }
 921 unset -nocomplain idx fd
 922
 923 ######################################################################
 924 ##
 925 ## config file parsing
 926
 927 git-version proc _parse_config {arr_name args} {
 928         >= 1.5.3 {
 929                 upvar $arr_name arr
 930                 array unset arr
 931                 set buf {}
 932                 catch {
 933                         set fd_rc [eval \
 934                                 [list git_read config] \
 935                                 $args \
 936                                 [list --null --list]]
 937                         fconfigure $fd_rc -translation binary
 938                         set buf [read $fd_rc]
 939                         close $fd_rc
 940                 }
 941                 foreach line [split $buf "\0"] {
 942                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 943                                 if {[is_many_config $name]} {
 944                                         lappend arr($name) $value
 945                                 } else {
 946                                         set arr($name) $value
 947                                 }
 948                         }
 949                 }
 950         }
 951         default {
 952                 upvar $arr_name arr
 953                 array unset arr
 954                 catch {
 955                         set fd_rc [eval [list git_read config --list] $args]
 956                         while {[gets $fd_rc line] >= 0} {
 957                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 958                                         if {[is_many_config $name]} {
 959                                                 lappend arr($name) $value
 960                                         } else {
 961                                                 set arr($name) $value
 962                                         }
 963                                 }
 964                         }
 965                         close $fd_rc
 966                 }
 967         }
 968 }
 969
 970 proc load_config {include_global} {
 971         global repo_config global_config system_config default_config
 972
 973         if {$include_global} {
 974                 _parse_config system_config --system
 975                 _parse_config global_config --global
 976         }
 977         _parse_config repo_config
 978
 979         foreach name [array names default_config] {
 980                 if {[catch {set v $system_config($name)}]} {
 981                         set system_config($name) $default_config($name)
 982                 }
 983         }
 984         foreach name [array names system_config] {
 985                 if {[catch {set v $global_config($name)}]} {
 986                         set global_config($name) $system_config($name)
 987                 }
 988                 if {[catch {set v $repo_config($name)}]} {
 989                         set repo_config($name) $system_config($name)
 990                 }
 991         }
 992 }
 993
 994 ######################################################################
 995 ##
 996 ## feature option selection
 997
 998 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 999         unset _junk
1000 } else {
1001         set subcommand gui
1002 }
1003 if {$subcommand eq {gui.sh}} {
1004         set subcommand gui
1005 }
1006 if {$subcommand eq {gui} && [llength $argv] > 0} {
1007         set subcommand [lindex $argv 0]
1008         set argv [lrange $argv 1 end]
1009 }
1010
1011 enable_option multicommit
1012 enable_option branch
1013 enable_option transport
1014 disable_option bare
1015
1016 switch -- $subcommand {
1017 browser -
1018 blame {
1019         enable_option bare
1020
1021         disable_option multicommit
1022         disable_option branch
1023         disable_option transport
1024 }
1025 citool {
1026         enable_option singlecommit
1027         enable_option retcode
1028
1029         disable_option multicommit
1030         disable_option branch
1031         disable_option transport
1032
1033         while {[llength $argv] > 0} {
1034                 set a [lindex $argv 0]
1035                 switch -- $a {
1036                 --amend {
1037                         enable_option initialamend
1038                 }
1039                 --nocommit {
1040                         enable_option nocommit
1041                         enable_option nocommitmsg
1042                 }
1043                 --commitmsg {
1044                         disable_option nocommitmsg
1045                 }
1046                 default {
1047                         break
1048                 }
1049                 }
1050
1051                 set argv [lrange $argv 1 end]
1052         }
1053 }
1054 }
1055
1056 ######################################################################
1057 ##
1058 ## execution environment
1059
1060 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1061
1062 # Suggest our implementation of askpass, if none is set
1063 if {![info exists env(SSH_ASKPASS)]} {
1064         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1065 }
1066
1067 ######################################################################
1068 ##
1069 ## repository setup
1070
1071 set picked 0
1072 if {[catch {
1073                 set _gitdir $env(GIT_DIR)
1074                 set _prefix {}
1075                 }]
1076         && [catch {
1077                 set _gitdir [git rev-parse --git-dir]
1078                 set _prefix [git rev-parse --show-prefix]
1079         } err]} {
1080         load_config 1
1081         apply_config
1082         choose_repository::pick
1083         set picked 1
1084 }
1085 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1086         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1087 }
1088 if {![file isdirectory $_gitdir]} {
1089         catch {wm withdraw .}
1090         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1091         exit 1
1092 }
1093 if {$_prefix ne {}} {
1094         regsub -all {[^/]+/} $_prefix ../ cdup
1095         if {[catch {cd $cdup} err]} {
1096                 catch {wm withdraw .}
1097                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1098                 exit 1
1099         }
1100         unset cdup
1101 } elseif {![is_enabled bare]} {
1102         if {[lindex [file split $_gitdir] end] ne {.git}} {
1103                 catch {wm withdraw .}
1104                 error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1105                 exit 1
1106         }
1107         if {[catch {cd [file dirname $_gitdir]} err]} {
1108                 catch {wm withdraw .}
1109                 error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1110                 exit 1
1111         }
1112 }
1113 set _reponame [file split [file normalize $_gitdir]]
1114 if {[lindex $_reponame end] eq {.git}} {
1115         set _reponame [lindex $_reponame end-1]
1116 } else {
1117         set _reponame [lindex $_reponame end]
1118 }
1119
1120 ######################################################################
1121 ##
1122 ## global init
1123
1124 set current_diff_path {}
1125 set current_diff_side {}
1126 set diff_actions [list]
1127
1128 set HEAD {}
1129 set PARENT {}
1130 set MERGE_HEAD [list]
1131 set commit_type {}
1132 set empty_tree {}
1133 set current_branch {}
1134 set is_detached 0
1135 set current_diff_path {}
1136 set is_3way_diff 0
1137 set is_conflict_diff 0
1138 set selected_commit_type new
1139 set diff_empty_count 0
1140
1141 set nullid "0000000000000000000000000000000000000000"
1142 set nullid2 "0000000000000000000000000000000000000001"
1143
1144 ######################################################################
1145 ##
1146 ## task management
1147
1148 set rescan_active 0
1149 set diff_active 0
1150 set last_clicked {}
1151
1152 set disable_on_lock [list]
1153 set index_lock_type none
1154
1155 proc lock_index {type} {
1156         global index_lock_type disable_on_lock
1157
1158         if {$index_lock_type eq {none}} {
1159                 set index_lock_type $type
1160                 foreach w $disable_on_lock {
1161                         uplevel #0 $w disabled
1162                 }
1163                 return 1
1164         } elseif {$index_lock_type eq "begin-$type"} {
1165                 set index_lock_type $type
1166                 return 1
1167         }
1168         return 0
1169 }
1170
1171 proc unlock_index {} {
1172         global index_lock_type disable_on_lock
1173
1174         set index_lock_type none
1175         foreach w $disable_on_lock {
1176                 uplevel #0 $w normal
1177         }
1178 }
1179
1180 ######################################################################
1181 ##
1182 ## status
1183
1184 proc repository_state {ctvar hdvar mhvar} {
1185         global current_branch
1186         upvar $ctvar ct $hdvar hd $mhvar mh
1187
1188         set mh [list]
1189
1190         load_current_branch
1191         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1192                 set hd {}
1193                 set ct initial
1194                 return
1195         }
1196
1197         set merge_head [gitdir MERGE_HEAD]
1198         if {[file exists $merge_head]} {
1199                 set ct merge
1200                 set fd_mh [open $merge_head r]
1201                 while {[gets $fd_mh line] >= 0} {
1202                         lappend mh $line
1203                 }
1204                 close $fd_mh
1205                 return
1206         }
1207
1208         set ct normal
1209 }
1210
1211 proc PARENT {} {
1212         global PARENT empty_tree
1213
1214         set p [lindex $PARENT 0]
1215         if {$p ne {}} {
1216                 return $p
1217         }
1218         if {$empty_tree eq {}} {
1219                 set empty_tree [git mktree << {}]
1220         }
1221         return $empty_tree
1222 }
1223
1224 proc force_amend {} {
1225         global selected_commit_type
1226         global HEAD PARENT MERGE_HEAD commit_type
1227
1228         repository_state newType newHEAD newMERGE_HEAD
1229         set HEAD $newHEAD
1230         set PARENT $newHEAD
1231         set MERGE_HEAD $newMERGE_HEAD
1232         set commit_type $newType
1233
1234         set selected_commit_type amend
1235         do_select_commit_type
1236 }
1237
1238 proc rescan {after {honor_trustmtime 1}} {
1239         global HEAD PARENT MERGE_HEAD commit_type
1240         global ui_index ui_workdir ui_comm
1241         global rescan_active file_states
1242         global repo_config
1243
1244         if {$rescan_active > 0 || ![lock_index read]} return
1245
1246         repository_state newType newHEAD newMERGE_HEAD
1247         if {[string match amend* $commit_type]
1248                 && $newType eq {normal}
1249                 && $newHEAD eq $HEAD} {
1250         } else {
1251                 set HEAD $newHEAD
1252                 set PARENT $newHEAD
1253                 set MERGE_HEAD $newMERGE_HEAD
1254                 set commit_type $newType
1255         }
1256
1257         array unset file_states
1258
1259         if {!$::GITGUI_BCK_exists &&
1260                 (![$ui_comm edit modified]
1261                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1262                 if {[string match amend* $commit_type]} {
1263                 } elseif {[load_message GITGUI_MSG]} {
1264                 } elseif {[run_prepare_commit_msg_hook]} {
1265                 } elseif {[load_message MERGE_MSG]} {
1266                 } elseif {[load_message SQUASH_MSG]} {
1267                 }
1268                 $ui_comm edit reset
1269                 $ui_comm edit modified false
1270         }
1271
1272         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1273                 rescan_stage2 {} $after
1274         } else {
1275                 set rescan_active 1
1276                 ui_status [mc "Refreshing file status..."]
1277                 set fd_rf [git_read update-index \
1278                         -q \
1279                         --unmerged \
1280                         --ignore-missing \
1281                         --refresh \
1282                         ]
1283                 fconfigure $fd_rf -blocking 0 -translation binary
1284                 fileevent $fd_rf readable \
1285                         [list rescan_stage2 $fd_rf $after]
1286         }
1287 }
1288
1289 if {[is_Cygwin]} {
1290         set is_git_info_exclude {}
1291         proc have_info_exclude {} {
1292                 global is_git_info_exclude
1293
1294                 if {$is_git_info_exclude eq {}} {
1295                         if {[catch {exec test -f [gitdir info exclude]}]} {
1296                                 set is_git_info_exclude 0
1297                         } else {
1298                                 set is_git_info_exclude 1
1299                         }
1300                 }
1301                 return $is_git_info_exclude
1302         }
1303 } else {
1304         proc have_info_exclude {} {
1305                 return [file readable [gitdir info exclude]]
1306         }
1307 }
1308
1309 proc rescan_stage2 {fd after} {
1310         global rescan_active buf_rdi buf_rdf buf_rlo
1311
1312         if {$fd ne {}} {
1313                 read $fd
1314                 if {![eof $fd]} return
1315                 close $fd
1316         }
1317
1318         set ls_others [list --exclude-per-directory=.gitignore]
1319         if {[have_info_exclude]} {
1320                 lappend ls_others "--exclude-from=[gitdir info exclude]"
1321         }
1322         set user_exclude [get_config core.excludesfile]
1323         if {$user_exclude ne {} && [file readable $user_exclude]} {
1324                 lappend ls_others "--exclude-from=$user_exclude"
1325         }
1326
1327         set buf_rdi {}
1328         set buf_rdf {}
1329         set buf_rlo {}
1330
1331         set rescan_active 3
1332         ui_status [mc "Scanning for modified files ..."]
1333         set fd_di [git_read diff-index --cached -z [PARENT]]
1334         set fd_df [git_read diff-files -z]
1335         set fd_lo [eval git_read ls-files --others -z $ls_others]
1336
1337         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1338         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1339         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1340         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1341         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1342         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1343 }
1344
1345 proc load_message {file} {
1346         global ui_comm
1347
1348         set f [gitdir $file]
1349         if {[file isfile $f]} {
1350                 if {[catch {set fd [open $f r]}]} {
1351                         return 0
1352                 }
1353                 fconfigure $fd -eofchar {}
1354                 set content [string trim [read $fd]]
1355                 close $fd
1356                 regsub -all -line {[ \r\t]+$} $content {} content
1357                 $ui_comm delete 0.0 end
1358                 $ui_comm insert end $content
1359                 return 1
1360         }
1361         return 0
1362 }
1363
1364 proc run_prepare_commit_msg_hook {} {
1365         global pch_error
1366
1367         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1368         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1369         # empty file but existant file.
1370
1371         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1372
1373         if {[file isfile [gitdir MERGE_MSG]]} {
1374                 set pcm_source "merge"
1375                 set fd_mm [open [gitdir MERGE_MSG] r]
1376                 puts -nonewline $fd_pcm [read $fd_mm]
1377                 close $fd_mm
1378         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1379                 set pcm_source "squash"
1380                 set fd_sm [open [gitdir SQUASH_MSG] r]
1381                 puts -nonewline $fd_pcm [read $fd_sm]
1382                 close $fd_sm
1383         } else {
1384                 set pcm_source ""
1385         }
1386
1387         close $fd_pcm
1388
1389         set fd_ph [githook_read prepare-commit-msg \
1390                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1391         if {$fd_ph eq {}} {
1392                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1393                 return 0;
1394         }
1395
1396         ui_status [mc "Calling prepare-commit-msg hook..."]
1397         set pch_error {}
1398
1399         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1400         fileevent $fd_ph readable \
1401                 [list prepare_commit_msg_hook_wait $fd_ph]
1402
1403         return 1;
1404 }
1405
1406 proc prepare_commit_msg_hook_wait {fd_ph} {
1407         global pch_error
1408
1409         append pch_error [read $fd_ph]
1410         fconfigure $fd_ph -blocking 1
1411         if {[eof $fd_ph]} {
1412                 if {[catch {close $fd_ph}]} {
1413                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1414                         hook_failed_popup prepare-commit-msg $pch_error
1415                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1416                         exit 1
1417                 } else {
1418                         load_message PREPARE_COMMIT_MSG
1419                 }
1420                 set pch_error {}
1421                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1422                 return
1423         }
1424         fconfigure $fd_ph -blocking 0
1425         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1426 }
1427
1428 proc read_diff_index {fd after} {
1429         global buf_rdi
1430
1431         append buf_rdi [read $fd]
1432         set c 0
1433         set n [string length $buf_rdi]
1434         while {$c < $n} {
1435                 set z1 [string first "\0" $buf_rdi $c]
1436                 if {$z1 == -1} break
1437                 incr z1
1438                 set z2 [string first "\0" $buf_rdi $z1]
1439                 if {$z2 == -1} break
1440
1441                 incr c
1442                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1443                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1444                 merge_state \
1445                         [encoding convertfrom $p] \
1446                         [lindex $i 4]? \
1447                         [list [lindex $i 0] [lindex $i 2]] \
1448                         [list]
1449                 set c $z2
1450                 incr c
1451         }
1452         if {$c < $n} {
1453                 set buf_rdi [string range $buf_rdi $c end]
1454         } else {
1455                 set buf_rdi {}
1456         }
1457
1458         rescan_done $fd buf_rdi $after
1459 }
1460
1461 proc read_diff_files {fd after} {
1462         global buf_rdf
1463
1464         append buf_rdf [read $fd]
1465         set c 0
1466         set n [string length $buf_rdf]
1467         while {$c < $n} {
1468                 set z1 [string first "\0" $buf_rdf $c]
1469                 if {$z1 == -1} break
1470                 incr z1
1471                 set z2 [string first "\0" $buf_rdf $z1]
1472                 if {$z2 == -1} break
1473
1474                 incr c
1475                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1476                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1477                 merge_state \
1478                         [encoding convertfrom $p] \
1479                         ?[lindex $i 4] \
1480                         [list] \
1481                         [list [lindex $i 0] [lindex $i 2]]
1482                 set c $z2
1483                 incr c
1484         }
1485         if {$c < $n} {
1486                 set buf_rdf [string range $buf_rdf $c end]
1487         } else {
1488                 set buf_rdf {}
1489         }
1490
1491         rescan_done $fd buf_rdf $after
1492 }
1493
1494 proc read_ls_others {fd after} {
1495         global buf_rlo
1496
1497         append buf_rlo [read $fd]
1498         set pck [split $buf_rlo "\0"]
1499         set buf_rlo [lindex $pck end]
1500         foreach p [lrange $pck 0 end-1] {
1501                 set p [encoding convertfrom $p]
1502                 if {[string index $p end] eq {/}} {
1503                         set p [string range $p 0 end-1]
1504                 }
1505                 merge_state $p ?O
1506         }
1507         rescan_done $fd buf_rlo $after
1508 }
1509
1510 proc rescan_done {fd buf after} {
1511         global rescan_active current_diff_path
1512         global file_states repo_config
1513         upvar $buf to_clear
1514
1515         if {![eof $fd]} return
1516         set to_clear {}
1517         close $fd
1518         if {[incr rescan_active -1] > 0} return
1519
1520         prune_selection
1521         unlock_index
1522         display_all_files
1523         if {$current_diff_path ne {}} { reshow_diff $after }
1524         if {$current_diff_path eq {}} { select_first_diff $after }
1525 }
1526
1527 proc prune_selection {} {
1528         global file_states selected_paths
1529
1530         foreach path [array names selected_paths] {
1531                 if {[catch {set still_here $file_states($path)}]} {
1532                         unset selected_paths($path)
1533                 }
1534         }
1535 }
1536
1537 ######################################################################
1538 ##
1539 ## ui helpers
1540
1541 proc mapicon {w state path} {
1542         global all_icons
1543
1544         if {[catch {set r $all_icons($state$w)}]} {
1545                 puts "error: no icon for $w state={$state} $path"
1546                 return file_plain
1547         }
1548         return $r
1549 }
1550
1551 proc mapdesc {state path} {
1552         global all_descs
1553
1554         if {[catch {set r $all_descs($state)}]} {
1555                 puts "error: no desc for state={$state} $path"
1556                 return $state
1557         }
1558         return $r
1559 }
1560
1561 proc ui_status {msg} {
1562         global main_status
1563         if {[info exists main_status]} {
1564                 $main_status show $msg
1565         }
1566 }
1567
1568 proc ui_ready {{test {}}} {
1569         global main_status
1570         if {[info exists main_status]} {
1571                 $main_status show [mc "Ready."] $test
1572         }
1573 }
1574
1575 proc escape_path {path} {
1576         regsub -all {\\} $path "\\\\" path
1577         regsub -all "\n" $path "\\n" path
1578         return $path
1579 }
1580
1581 proc short_path {path} {
1582         return [escape_path [lindex [file split $path] end]]
1583 }
1584
1585 set next_icon_id 0
1586 set null_sha1 [string repeat 0 40]
1587
1588 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1589         global file_states next_icon_id null_sha1
1590
1591         set s0 [string index $new_state 0]
1592         set s1 [string index $new_state 1]
1593
1594         if {[catch {set info $file_states($path)}]} {
1595                 set state __
1596                 set icon n[incr next_icon_id]
1597         } else {
1598                 set state [lindex $info 0]
1599                 set icon [lindex $info 1]
1600                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1601                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1602         }
1603
1604         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1605         elseif {$s0 eq {_}} {set s0 _}
1606
1607         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1608         elseif {$s1 eq {_}} {set s1 _}
1609
1610         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1611                 set head_info [list 0 $null_sha1]
1612         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1613                 && $head_info eq {}} {
1614                 set head_info $index_info
1615         }
1616
1617         set file_states($path) [list $s0$s1 $icon \
1618                 $head_info $index_info \
1619                 ]
1620         return $state
1621 }
1622
1623 proc display_file_helper {w path icon_name old_m new_m} {
1624         global file_lists
1625
1626         if {$new_m eq {_}} {
1627                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1628                 if {$lno >= 0} {
1629                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1630                         incr lno
1631                         $w conf -state normal
1632                         $w delete $lno.0 [expr {$lno + 1}].0
1633                         $w conf -state disabled
1634                 }
1635         } elseif {$old_m eq {_} && $new_m ne {_}} {
1636                 lappend file_lists($w) $path
1637                 set file_lists($w) [lsort -unique $file_lists($w)]
1638                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1639                 incr lno
1640                 $w conf -state normal
1641                 $w image create $lno.0 \
1642                         -align center -padx 5 -pady 1 \
1643                         -name $icon_name \
1644                         -image [mapicon $w $new_m $path]
1645                 $w insert $lno.1 "[escape_path $path]\n"
1646                 $w conf -state disabled
1647         } elseif {$old_m ne $new_m} {
1648                 $w conf -state normal
1649                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1650                 $w conf -state disabled
1651         }
1652 }
1653
1654 proc display_file {path state} {
1655         global file_states selected_paths
1656         global ui_index ui_workdir
1657
1658         set old_m [merge_state $path $state]
1659         set s $file_states($path)
1660         set new_m [lindex $s 0]
1661         set icon_name [lindex $s 1]
1662
1663         set o [string index $old_m 0]
1664         set n [string index $new_m 0]
1665         if {$o eq {U}} {
1666                 set o _
1667         }
1668         if {$n eq {U}} {
1669                 set n _
1670         }
1671         display_file_helper     $ui_index $path $icon_name $o $n
1672
1673         if {[string index $old_m 0] eq {U}} {
1674                 set o U
1675         } else {
1676                 set o [string index $old_m 1]
1677         }
1678         if {[string index $new_m 0] eq {U}} {
1679                 set n U
1680         } else {
1681                 set n [string index $new_m 1]
1682         }
1683         display_file_helper     $ui_workdir $path $icon_name $o $n
1684
1685         if {$new_m eq {__}} {
1686                 unset file_states($path)
1687                 catch {unset selected_paths($path)}
1688         }
1689 }
1690
1691 proc display_all_files_helper {w path icon_name m} {
1692         global file_lists
1693
1694         lappend file_lists($w) $path
1695         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1696         $w image create end \
1697                 -align center -padx 5 -pady 1 \
1698                 -name $icon_name \
1699                 -image [mapicon $w $m $path]
1700         $w insert end "[escape_path $path]\n"
1701 }
1702
1703 set files_warning 0
1704 proc display_all_files {} {
1705         global ui_index ui_workdir
1706         global file_states file_lists
1707         global last_clicked
1708         global files_warning
1709
1710         $ui_index conf -state normal
1711         $ui_workdir conf -state normal
1712
1713         $ui_index delete 0.0 end
1714         $ui_workdir delete 0.0 end
1715         set last_clicked {}
1716
1717         set file_lists($ui_index) [list]
1718         set file_lists($ui_workdir) [list]
1719
1720         set to_display [lsort [array names file_states]]
1721         set display_limit [get_config gui.maxfilesdisplayed]
1722         if {[llength $to_display] > $display_limit} {
1723                 if {!$files_warning} {
1724                         # do not repeatedly warn:
1725                         set files_warning 1
1726                         info_popup [mc "Displaying only %s of %s files." \
1727                                 $display_limit [llength $to_display]]
1728                 }
1729                 set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1730         }
1731         foreach path $to_display {
1732                 set s $file_states($path)
1733                 set m [lindex $s 0]
1734                 set icon_name [lindex $s 1]
1735
1736                 set s [string index $m 0]
1737                 if {$s ne {U} && $s ne {_}} {
1738                         display_all_files_helper $ui_index $path \
1739                                 $icon_name $s
1740                 }
1741
1742                 if {[string index $m 0] eq {U}} {
1743                         set s U
1744                 } else {
1745                         set s [string index $m 1]
1746                 }
1747                 if {$s ne {_}} {
1748                         display_all_files_helper $ui_workdir $path \
1749                                 $icon_name $s
1750                 }
1751         }
1752
1753         $ui_index conf -state disabled
1754         $ui_workdir conf -state disabled
1755 }
1756
1757 ######################################################################
1758 ##
1759 ## icons
1760
1761 set filemask {
1762 #define mask_width 14
1763 #define mask_height 15
1764 static unsigned char mask_bits[] = {
1765    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1766    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1767    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1768 }
1769
1770 image create bitmap file_plain -background white -foreground black -data {
1771 #define plain_width 14
1772 #define plain_height 15
1773 static unsigned char plain_bits[] = {
1774    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1775    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1776    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1777 } -maskdata $filemask
1778
1779 image create bitmap file_mod -background white -foreground blue -data {
1780 #define mod_width 14
1781 #define mod_height 15
1782 static unsigned char mod_bits[] = {
1783    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1784    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1785    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1786 } -maskdata $filemask
1787
1788 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1789 #define file_fulltick_width 14
1790 #define file_fulltick_height 15
1791 static unsigned char file_fulltick_bits[] = {
1792    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1793    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1794    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1795 } -maskdata $filemask
1796
1797 image create bitmap file_parttick -background white -foreground "#005050" -data {
1798 #define parttick_width 14
1799 #define parttick_height 15
1800 static unsigned char parttick_bits[] = {
1801    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1802    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1803    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1804 } -maskdata $filemask
1805
1806 image create bitmap file_question -background white -foreground black -data {
1807 #define file_question_width 14
1808 #define file_question_height 15
1809 static unsigned char file_question_bits[] = {
1810    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1811    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1812    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1813 } -maskdata $filemask
1814
1815 image create bitmap file_removed -background white -foreground red -data {
1816 #define file_removed_width 14
1817 #define file_removed_height 15
1818 static unsigned char file_removed_bits[] = {
1819    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1820    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1821    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1822 } -maskdata $filemask
1823
1824 image create bitmap file_merge -background white -foreground blue -data {
1825 #define file_merge_width 14
1826 #define file_merge_height 15
1827 static unsigned char file_merge_bits[] = {
1828    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1829    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1830    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1831 } -maskdata $filemask
1832
1833 image create bitmap file_statechange -background white -foreground green -data {
1834 #define file_merge_width 14
1835 #define file_merge_height 15
1836 static unsigned char file_statechange_bits[] = {
1837    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1838    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1839    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1840 } -maskdata $filemask
1841
1842 set ui_index .vpane.files.index.list
1843 set ui_workdir .vpane.files.workdir.list
1844
1845 set all_icons(_$ui_index)   file_plain
1846 set all_icons(A$ui_index)   file_fulltick
1847 set all_icons(M$ui_index)   file_fulltick
1848 set all_icons(D$ui_index)   file_removed
1849 set all_icons(U$ui_index)   file_merge
1850 set all_icons(T$ui_index)   file_statechange
1851
1852 set all_icons(_$ui_workdir) file_plain
1853 set all_icons(M$ui_workdir) file_mod
1854 set all_icons(D$ui_workdir) file_question
1855 set all_icons(U$ui_workdir) file_merge
1856 set all_icons(O$ui_workdir) file_plain
1857 set all_icons(T$ui_workdir) file_statechange
1858
1859 set max_status_desc 0
1860 foreach i {
1861                 {__ {mc "Unmodified"}}
1862
1863                 {_M {mc "Modified, not staged"}}
1864                 {M_ {mc "Staged for commit"}}
1865                 {MM {mc "Portions staged for commit"}}
1866                 {MD {mc "Staged for commit, missing"}}
1867
1868                 {_T {mc "File type changed, not staged"}}
1869                 {T_ {mc "File type changed, staged"}}
1870
1871                 {_O {mc "Untracked, not staged"}}
1872                 {A_ {mc "Staged for commit"}}
1873                 {AM {mc "Portions staged for commit"}}
1874                 {AD {mc "Staged for commit, missing"}}
1875
1876                 {_D {mc "Missing"}}
1877                 {D_ {mc "Staged for removal"}}
1878                 {DO {mc "Staged for removal, still present"}}
1879
1880                 {_U {mc "Requires merge resolution"}}
1881                 {U_ {mc "Requires merge resolution"}}
1882                 {UU {mc "Requires merge resolution"}}
1883                 {UM {mc "Requires merge resolution"}}
1884                 {UD {mc "Requires merge resolution"}}
1885                 {UT {mc "Requires merge resolution"}}
1886         } {
1887         set text [eval [lindex $i 1]]
1888         if {$max_status_desc < [string length $text]} {
1889                 set max_status_desc [string length $text]
1890         }
1891         set all_descs([lindex $i 0]) $text
1892 }
1893 unset i
1894
1895 ######################################################################
1896 ##
1897 ## util
1898
1899 proc scrollbar2many {list mode args} {
1900         foreach w $list {eval $w $mode $args}
1901 }
1902
1903 proc many2scrollbar {list mode sb top bottom} {
1904         $sb set $top $bottom
1905         foreach w $list {$w $mode moveto $top}
1906 }
1907
1908 proc incr_font_size {font {amt 1}} {
1909         set sz [font configure $font -size]
1910         incr sz $amt
1911         font configure $font -size $sz
1912         font configure ${font}bold -size $sz
1913         font configure ${font}italic -size $sz
1914 }
1915
1916 ######################################################################
1917 ##
1918 ## ui commands
1919
1920 set starting_gitk_msg [mc "Starting gitk... please wait..."]
1921
1922 proc do_gitk {revs} {
1923         # -- Always start gitk through whatever we were loaded with.  This
1924         #    lets us bypass using shell process on Windows systems.
1925         #
1926         set exe [_which gitk -script]
1927         set cmd [list [info nameofexecutable] $exe]
1928         if {$exe eq {}} {
1929                 error_popup [mc "Couldn't find gitk in PATH"]
1930         } else {
1931                 global env
1932
1933                 if {[info exists env(GIT_DIR)]} {
1934                         set old_GIT_DIR $env(GIT_DIR)
1935                 } else {
1936                         set old_GIT_DIR {}
1937                 }
1938
1939                 set pwd [pwd]
1940                 cd [file dirname [gitdir]]
1941                 set env(GIT_DIR) [file tail [gitdir]]
1942
1943                 eval exec $cmd $revs &
1944
1945                 if {$old_GIT_DIR eq {}} {
1946                         unset env(GIT_DIR)
1947                 } else {
1948                         set env(GIT_DIR) $old_GIT_DIR
1949                 }
1950                 cd $pwd
1951
1952                 ui_status $::starting_gitk_msg
1953                 after 10000 {
1954                         ui_ready $starting_gitk_msg
1955                 }
1956         }
1957 }
1958
1959 proc do_explore {} {
1960         set explorer {}
1961         if {[is_Cygwin] || [is_Windows]} {
1962                 set explorer "explorer.exe"
1963         } elseif {[is_MacOSX]} {
1964                 set explorer "open"
1965         } else {
1966                 # freedesktop.org-conforming system is our best shot
1967                 set explorer "xdg-open"
1968         }
1969         eval exec $explorer [list [file nativename [file dirname [gitdir]]]] &
1970 }
1971
1972 set is_quitting 0
1973 set ret_code    1
1974
1975 proc terminate_me {win} {
1976         global ret_code
1977         if {$win ne {.}} return
1978         exit $ret_code
1979 }
1980
1981 proc do_quit {{rc {1}}} {
1982         global ui_comm is_quitting repo_config commit_type
1983         global GITGUI_BCK_exists GITGUI_BCK_i
1984         global ui_comm_spell
1985         global ret_code
1986
1987         if {$is_quitting} return
1988         set is_quitting 1
1989
1990         if {[winfo exists $ui_comm]} {
1991                 # -- Stash our current commit buffer.
1992                 #
1993                 set save [gitdir GITGUI_MSG]
1994                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1995                         file rename -force [gitdir GITGUI_BCK] $save
1996                         set GITGUI_BCK_exists 0
1997                 } else {
1998                         set msg [string trim [$ui_comm get 0.0 end]]
1999                         regsub -all -line {[ \r\t]+$} $msg {} msg
2000                         if {(![string match amend* $commit_type]
2001                                 || [$ui_comm edit modified])
2002                                 && $msg ne {}} {
2003                                 catch {
2004                                         set fd [open $save w]
2005                                         puts -nonewline $fd $msg
2006                                         close $fd
2007                                 }
2008                         } else {
2009                                 catch {file delete $save}
2010                         }
2011                 }
2012
2013                 # -- Cancel our spellchecker if its running.
2014                 #
2015                 if {[info exists ui_comm_spell]} {
2016                         $ui_comm_spell stop
2017                 }
2018
2019                 # -- Remove our editor backup, its not needed.
2020                 #
2021                 after cancel $GITGUI_BCK_i
2022                 if {$GITGUI_BCK_exists} {
2023                         catch {file delete [gitdir GITGUI_BCK]}
2024                 }
2025
2026                 # -- Stash our current window geometry into this repository.
2027                 #
2028                 set cfg_geometry [list]
2029                 lappend cfg_geometry [wm geometry .]
2030                 lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2031                 lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2032                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2033                         set rc_geometry {}
2034                 }
2035                 if {$cfg_geometry ne $rc_geometry} {
2036                         catch {git config gui.geometry $cfg_geometry}
2037                 }
2038         }
2039
2040         set ret_code $rc
2041         destroy .
2042 }
2043
2044 proc do_rescan {} {
2045         rescan ui_ready
2046 }
2047
2048 proc ui_do_rescan {} {
2049         rescan {force_first_diff ui_ready}
2050 }
2051
2052 proc do_commit {} {
2053         commit_tree
2054 }
2055
2056 proc next_diff {{after {}}} {
2057         global next_diff_p next_diff_w next_diff_i
2058         show_diff $next_diff_p $next_diff_w {} {} $after
2059 }
2060
2061 proc find_anchor_pos {lst name} {
2062         set lid [lsearch -sorted -exact $lst $name]
2063
2064         if {$lid == -1} {
2065                 set lid 0
2066                 foreach lname $lst {
2067                         if {$lname >= $name} break
2068                         incr lid
2069                 }
2070         }
2071
2072         return $lid
2073 }
2074
2075 proc find_file_from {flist idx delta path mmask} {
2076         global file_states
2077
2078         set len [llength $flist]
2079         while {$idx >= 0 && $idx < $len} {
2080                 set name [lindex $flist $idx]
2081
2082                 if {$name ne $path && [info exists file_states($name)]} {
2083                         set state [lindex $file_states($name) 0]
2084
2085                         if {$mmask eq {} || [regexp $mmask $state]} {
2086                                 return $idx
2087                         }
2088                 }
2089
2090                 incr idx $delta
2091         }
2092
2093         return {}
2094 }
2095
2096 proc find_next_diff {w path {lno {}} {mmask {}}} {
2097         global next_diff_p next_diff_w next_diff_i
2098         global file_lists ui_index ui_workdir
2099
2100         set flist $file_lists($w)
2101         if {$lno eq {}} {
2102                 set lno [find_anchor_pos $flist $path]
2103         } else {
2104                 incr lno -1
2105         }
2106
2107         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2108                 if {$w eq $ui_index} {
2109                         set mmask "^$mmask"
2110                 } else {
2111                         set mmask "$mmask\$"
2112                 }
2113         }
2114
2115         set idx [find_file_from $flist $lno 1 $path $mmask]
2116         if {$idx eq {}} {
2117                 incr lno -1
2118                 set idx [find_file_from $flist $lno -1 $path $mmask]
2119         }
2120
2121         if {$idx ne {}} {
2122                 set next_diff_w $w
2123                 set next_diff_p [lindex $flist $idx]
2124                 set next_diff_i [expr {$idx+1}]
2125                 return 1
2126         } else {
2127                 return 0
2128         }
2129 }
2130
2131 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2132         global current_diff_path
2133
2134         if {$path ne $current_diff_path} {
2135                 return {}
2136         } elseif {[find_next_diff $w $path $lno $mmask]} {
2137                 return {next_diff;}
2138         } else {
2139                 return {reshow_diff;}
2140         }
2141 }
2142
2143 proc select_first_diff {after} {
2144         global ui_workdir
2145
2146         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2147             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2148                 next_diff $after
2149         } else {
2150                 uplevel #0 $after
2151         }
2152 }
2153
2154 proc force_first_diff {after} {
2155         global ui_workdir current_diff_path file_states
2156
2157         if {[info exists file_states($current_diff_path)]} {
2158                 set state [lindex $file_states($current_diff_path) 0]
2159         } else {
2160                 set state {OO}
2161         }
2162
2163         set reselect 0
2164         if {[string first {U} $state] >= 0} {
2165                 # Already a conflict, do nothing
2166         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2167                 set reselect 1
2168         } elseif {[string index $state 1] ne {O}} {
2169                 # Already a diff & no conflicts, do nothing
2170         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2171                 set reselect 1
2172         }
2173
2174         if {$reselect} {
2175                 next_diff $after
2176         } else {
2177                 uplevel #0 $after
2178         }
2179 }
2180
2181 proc toggle_or_diff {w x y} {
2182         global file_states file_lists current_diff_path ui_index ui_workdir
2183         global last_clicked selected_paths
2184
2185         set pos [split [$w index @$x,$y] .]
2186         set lno [lindex $pos 0]
2187         set col [lindex $pos 1]
2188         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2189         if {$path eq {}} {
2190                 set last_clicked {}
2191                 return
2192         }
2193
2194         set last_clicked [list $w $lno]
2195         array unset selected_paths
2196         $ui_index tag remove in_sel 0.0 end
2197         $ui_workdir tag remove in_sel 0.0 end
2198
2199         # Determine the state of the file
2200         if {[info exists file_states($path)]} {
2201                 set state [lindex $file_states($path) 0]
2202         } else {
2203                 set state {__}
2204         }
2205
2206         # Restage the file, or simply show the diff
2207         if {$col == 0 && $y > 1} {
2208                 # Conflicts need special handling
2209                 if {[string first {U} $state] >= 0} {
2210                         # $w must always be $ui_workdir, but...
2211                         if {$w ne $ui_workdir} { set lno {} }
2212                         merge_stage_workdir $path $lno
2213                         return
2214                 }
2215
2216                 if {[string index $state 1] eq {O}} {
2217                         set mmask {}
2218                 } else {
2219                         set mmask {[^O]}
2220                 }
2221
2222                 set after [next_diff_after_action $w $path $lno $mmask]
2223
2224                 if {$w eq $ui_index} {
2225                         update_indexinfo \
2226                                 "Unstaging [short_path $path] from commit" \
2227                                 [list $path] \
2228                                 [concat $after [list ui_ready]]
2229                 } elseif {$w eq $ui_workdir} {
2230                         update_index \
2231                                 "Adding [short_path $path]" \
2232                                 [list $path] \
2233                                 [concat $after [list ui_ready]]
2234                 }
2235         } else {
2236                 show_diff $path $w $lno
2237         }
2238 }
2239
2240 proc add_one_to_selection {w x y} {
2241         global file_lists last_clicked selected_paths
2242
2243         set lno [lindex [split [$w index @$x,$y] .] 0]
2244         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2245         if {$path eq {}} {
2246                 set last_clicked {}
2247                 return
2248         }
2249
2250         if {$last_clicked ne {}
2251                 && [lindex $last_clicked 0] ne $w} {
2252                 array unset selected_paths
2253                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2254         }
2255
2256         set last_clicked [list $w $lno]
2257         if {[catch {set in_sel $selected_paths($path)}]} {
2258                 set in_sel 0
2259         }
2260         if {$in_sel} {
2261                 unset selected_paths($path)
2262                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2263         } else {
2264                 set selected_paths($path) 1
2265                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2266         }
2267 }
2268
2269 proc add_range_to_selection {w x y} {
2270         global file_lists last_clicked selected_paths
2271
2272         if {[lindex $last_clicked 0] ne $w} {
2273                 toggle_or_diff $w $x $y
2274                 return
2275         }
2276
2277         set lno [lindex [split [$w index @$x,$y] .] 0]
2278         set lc [lindex $last_clicked 1]
2279         if {$lc < $lno} {
2280                 set begin $lc
2281                 set end $lno
2282         } else {
2283                 set begin $lno
2284                 set end $lc
2285         }
2286
2287         foreach path [lrange $file_lists($w) \
2288                 [expr {$begin - 1}] \
2289                 [expr {$end - 1}]] {
2290                 set selected_paths($path) 1
2291         }
2292         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2293 }
2294
2295 proc show_more_context {} {
2296         global repo_config
2297         if {$repo_config(gui.diffcontext) < 99} {
2298                 incr repo_config(gui.diffcontext)
2299                 reshow_diff
2300         }
2301 }
2302
2303 proc show_less_context {} {
2304         global repo_config
2305         if {$repo_config(gui.diffcontext) > 1} {
2306                 incr repo_config(gui.diffcontext) -1
2307                 reshow_diff
2308         }
2309 }
2310
2311 ######################################################################
2312 ##
2313 ## ui construction
2314
2315 load_config 0
2316 apply_config
2317 set ui_comm {}
2318
2319 # -- Menu Bar
2320 #
2321 menu .mbar -tearoff 0
2322 if {[is_MacOSX]} {
2323         # -- Apple Menu (Mac OS X only)
2324         #
2325         .mbar add cascade -label Apple -menu .mbar.apple
2326         menu .mbar.apple
2327 }
2328 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2329 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2330 if {[is_enabled branch]} {
2331         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2332 }
2333 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2334         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2335 }
2336 if {[is_enabled transport]} {
2337         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2338         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2339 }
2340 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2341         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2342 }
2343
2344 # -- Repository Menu
2345 #
2346 menu .mbar.repository
2347
2348 .mbar.repository add command \
2349         -label [mc "Explore Working Copy"] \
2350         -command {do_explore}
2351 .mbar.repository add separator
2352
2353 .mbar.repository add command \
2354         -label [mc "Browse Current Branch's Files"] \
2355         -command {browser::new $current_branch}
2356 set ui_browse_current [.mbar.repository index last]
2357 .mbar.repository add command \
2358         -label [mc "Browse Branch Files..."] \
2359         -command browser_open::dialog
2360 .mbar.repository add separator
2361
2362 .mbar.repository add command \
2363         -label [mc "Visualize Current Branch's History"] \
2364         -command {do_gitk $current_branch}
2365 set ui_visualize_current [.mbar.repository index last]
2366 .mbar.repository add command \
2367         -label [mc "Visualize All Branch History"] \
2368         -command {do_gitk --all}
2369 .mbar.repository add separator
2370
2371 proc current_branch_write {args} {
2372         global current_branch
2373         .mbar.repository entryconf $::ui_browse_current \
2374                 -label [mc "Browse %s's Files" $current_branch]
2375         .mbar.repository entryconf $::ui_visualize_current \
2376                 -label [mc "Visualize %s's History" $current_branch]
2377 }
2378 trace add variable current_branch write current_branch_write
2379
2380 if {[is_enabled multicommit]} {
2381         .mbar.repository add command -label [mc "Database Statistics"] \
2382                 -command do_stats
2383
2384         .mbar.repository add command -label [mc "Compress Database"] \
2385                 -command do_gc
2386
2387         .mbar.repository add command -label [mc "Verify Database"] \
2388                 -command do_fsck_objects
2389
2390         .mbar.repository add separator
2391
2392         if {[is_Cygwin]} {
2393                 .mbar.repository add command \
2394                         -label [mc "Create Desktop Icon"] \
2395                         -command do_cygwin_shortcut
2396         } elseif {[is_Windows]} {
2397                 .mbar.repository add command \
2398                         -label [mc "Create Desktop Icon"] \
2399                         -command do_windows_shortcut
2400         } elseif {[is_MacOSX]} {
2401                 .mbar.repository add command \
2402                         -label [mc "Create Desktop Icon"] \
2403                         -command do_macosx_app
2404         }
2405 }
2406
2407 if {[is_MacOSX]} {
2408         proc ::tk::mac::Quit {args} { do_quit }
2409 } else {
2410         .mbar.repository add command -label [mc Quit] \
2411                 -command do_quit \
2412                 -accelerator $M1T-Q
2413 }
2414
2415 # -- Edit Menu
2416 #
2417 menu .mbar.edit
2418 .mbar.edit add command -label [mc Undo] \
2419         -command {catch {[focus] edit undo}} \
2420         -accelerator $M1T-Z
2421 .mbar.edit add command -label [mc Redo] \
2422         -command {catch {[focus] edit redo}} \
2423         -accelerator $M1T-Y
2424 .mbar.edit add separator
2425 .mbar.edit add command -label [mc Cut] \
2426         -command {catch {tk_textCut [focus]}} \
2427         -accelerator $M1T-X
2428 .mbar.edit add command -label [mc Copy] \
2429         -command {catch {tk_textCopy [focus]}} \
2430         -accelerator $M1T-C
2431 .mbar.edit add command -label [mc Paste] \
2432         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2433         -accelerator $M1T-V
2434 .mbar.edit add command -label [mc Delete] \
2435         -command {catch {[focus] delete sel.first sel.last}} \
2436         -accelerator Del
2437 .mbar.edit add separator
2438 .mbar.edit add command -label [mc "Select All"] \
2439         -command {catch {[focus] tag add sel 0.0 end}} \
2440         -accelerator $M1T-A
2441
2442 # -- Branch Menu
2443 #
2444 if {[is_enabled branch]} {
2445         menu .mbar.branch
2446
2447         .mbar.branch add command -label [mc "Create..."] \
2448                 -command branch_create::dialog \
2449                 -accelerator $M1T-N
2450         lappend disable_on_lock [list .mbar.branch entryconf \
2451                 [.mbar.branch index last] -state]
2452
2453         .mbar.branch add command -label [mc "Checkout..."] \
2454                 -command branch_checkout::dialog \
2455                 -accelerator $M1T-O
2456         lappend disable_on_lock [list .mbar.branch entryconf \
2457                 [.mbar.branch index last] -state]
2458
2459         .mbar.branch add command -label [mc "Rename..."] \
2460                 -command branch_rename::dialog
2461         lappend disable_on_lock [list .mbar.branch entryconf \
2462                 [.mbar.branch index last] -state]
2463
2464         .mbar.branch add command -label [mc "Delete..."] \
2465                 -command branch_delete::dialog
2466         lappend disable_on_lock [list .mbar.branch entryconf \
2467                 [.mbar.branch index last] -state]
2468
2469         .mbar.branch add command -label [mc "Reset..."] \
2470                 -command merge::reset_hard
2471         lappend disable_on_lock [list .mbar.branch entryconf \
2472                 [.mbar.branch index last] -state]
2473 }
2474
2475 # -- Commit Menu
2476 #
2477 proc commit_btn_caption {} {
2478         if {[is_enabled nocommit]} {
2479                 return [mc "Done"]
2480         } else {
2481                 return [mc Commit@@verb]
2482         }
2483 }
2484
2485 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2486         menu .mbar.commit
2487
2488         if {![is_enabled nocommit]} {
2489                 .mbar.commit add radiobutton \
2490                         -label [mc "New Commit"] \
2491                         -command do_select_commit_type \
2492                         -variable selected_commit_type \
2493                         -value new
2494                 lappend disable_on_lock \
2495                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2496
2497                 .mbar.commit add radiobutton \
2498                         -label [mc "Amend Last Commit"] \
2499                         -command do_select_commit_type \
2500                         -variable selected_commit_type \
2501                         -value amend
2502                 lappend disable_on_lock \
2503                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2504
2505                 .mbar.commit add separator
2506         }
2507
2508         .mbar.commit add command -label [mc Rescan] \
2509                 -command ui_do_rescan \
2510                 -accelerator F5
2511         lappend disable_on_lock \
2512                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2513
2514         .mbar.commit add command -label [mc "Stage To Commit"] \
2515                 -command do_add_selection \
2516                 -accelerator $M1T-T
2517         lappend disable_on_lock \
2518                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2519
2520         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2521                 -command do_add_all \
2522                 -accelerator $M1T-I
2523         lappend disable_on_lock \
2524                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2525
2526         .mbar.commit add command -label [mc "Unstage From Commit"] \
2527                 -command do_unstage_selection
2528         lappend disable_on_lock \
2529                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2530
2531         .mbar.commit add command -label [mc "Revert Changes"] \
2532                 -command do_revert_selection
2533         lappend disable_on_lock \
2534                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2535
2536         .mbar.commit add separator
2537
2538         .mbar.commit add command -label [mc "Show Less Context"] \
2539                 -command show_less_context \
2540                 -accelerator $M1T-\-
2541
2542         .mbar.commit add command -label [mc "Show More Context"] \
2543                 -command show_more_context \
2544                 -accelerator $M1T-=
2545
2546         .mbar.commit add separator
2547
2548         if {![is_enabled nocommitmsg]} {
2549                 .mbar.commit add command -label [mc "Sign Off"] \
2550                         -command do_signoff \
2551                         -accelerator $M1T-S
2552         }
2553
2554         .mbar.commit add command -label [commit_btn_caption] \
2555                 -command do_commit \
2556                 -accelerator $M1T-Return
2557         lappend disable_on_lock \
2558                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2559 }
2560
2561 # -- Merge Menu
2562 #
2563 if {[is_enabled branch]} {
2564         menu .mbar.merge
2565         .mbar.merge add command -label [mc "Local Merge..."] \
2566                 -command merge::dialog \
2567                 -accelerator $M1T-M
2568         lappend disable_on_lock \
2569                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2570         .mbar.merge add command -label [mc "Abort Merge..."] \
2571                 -command merge::reset_hard
2572         lappend disable_on_lock \
2573                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2574 }
2575
2576 # -- Transport Menu
2577 #
2578 if {[is_enabled transport]} {
2579         menu .mbar.remote
2580
2581         .mbar.remote add command \
2582                 -label [mc "Add..."] \
2583                 -command remote_add::dialog \
2584                 -accelerator $M1T-A
2585         .mbar.remote add command \
2586                 -label [mc "Push..."] \
2587                 -command do_push_anywhere \
2588                 -accelerator $M1T-P
2589         .mbar.remote add command \
2590                 -label [mc "Delete Branch..."] \
2591                 -command remote_branch_delete::dialog
2592 }
2593
2594 if {[is_MacOSX]} {
2595         proc ::tk::mac::ShowPreferences {} {do_options}
2596 } else {
2597         # -- Edit Menu
2598         #
2599         .mbar.edit add separator
2600         .mbar.edit add command -label [mc "Options..."] \
2601                 -command do_options
2602 }
2603
2604 # -- Tools Menu
2605 #
2606 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2607         set tools_menubar .mbar.tools
2608         menu $tools_menubar
2609         $tools_menubar add separator
2610         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2611         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2612         set tools_tailcnt 3
2613         if {[array names repo_config guitool.*.cmd] ne {}} {
2614                 tools_populate_all
2615         }
2616 }
2617
2618 # -- Help Menu
2619 #
2620 .mbar add cascade -label [mc Help] -menu .mbar.help
2621 menu .mbar.help
2622
2623 if {[is_MacOSX]} {
2624         .mbar.apple add command -label [mc "About %s" [appname]] \
2625                 -command do_about
2626         .mbar.apple add separator
2627 } else {
2628         .mbar.help add command -label [mc "About %s" [appname]] \
2629                 -command do_about
2630 }
2631 . configure -menu .mbar
2632
2633 set doc_path [githtmldir]
2634 if {$doc_path ne {}} {
2635         set doc_path [file join $doc_path index.html]
2636
2637         if {[is_Cygwin]} {
2638                 set doc_path [exec cygpath --mixed $doc_path]
2639         }
2640 }
2641
2642 if {[file isfile $doc_path]} {
2643         set doc_url "file:$doc_path"
2644 } else {
2645         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2646 }
2647
2648 proc start_browser {url} {
2649         git "web--browse" $url
2650 }
2651
2652 .mbar.help add command -label [mc "Online Documentation"] \
2653         -command [list start_browser $doc_url]
2654
2655 .mbar.help add command -label [mc "Show SSH Key"] \
2656         -command do_ssh_key
2657
2658 unset doc_path doc_url
2659
2660 # -- Standard bindings
2661 #
2662 wm protocol . WM_DELETE_WINDOW do_quit
2663 bind all <$M1B-Key-q> do_quit
2664 bind all <$M1B-Key-Q> do_quit
2665 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2666 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2667
2668 set subcommand_args {}
2669 proc usage {} {
2670         puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2671         exit 1
2672 }
2673
2674 proc normalize_relpath {path} {
2675         set elements {}
2676         foreach item [file split $path] {
2677                 if {$item eq {.}} continue
2678                 if {$item eq {..} && [llength $elements] > 0
2679                     && [lindex $elements end] ne {..}} {
2680                         set elements [lrange $elements 0 end-1]
2681                         continue
2682                 }
2683                 lappend elements $item
2684         }
2685         return [eval file join $elements]
2686 }
2687
2688 # -- Not a normal commit type invocation?  Do that instead!
2689 #
2690 switch -- $subcommand {
2691 browser -
2692 blame {
2693         if {$subcommand eq "blame"} {
2694                 set subcommand_args {[--line=<num>] rev? path}
2695         } else {
2696                 set subcommand_args {rev? path}
2697         }
2698         if {$argv eq {}} usage
2699         set head {}
2700         set path {}
2701         set jump_spec {}
2702         set is_path 0
2703         foreach a $argv {
2704                 if {$is_path || [file exists $_prefix$a]} {
2705                         if {$path ne {}} usage
2706                         set path [normalize_relpath $_prefix$a]
2707                         break
2708                 } elseif {$a eq {--}} {
2709                         if {$path ne {}} {
2710                                 if {$head ne {}} usage
2711                                 set head $path
2712                                 set path {}
2713                         }
2714                         set is_path 1
2715                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2716                         if {$jump_spec ne {} || $head ne {}} usage
2717                         set jump_spec [list $lnum]
2718                 } elseif {$head eq {}} {
2719                         if {$head ne {}} usage
2720                         set head $a
2721                         set is_path 1
2722                 } else {
2723                         usage
2724                 }
2725         }
2726         unset is_path
2727
2728         if {$head ne {} && $path eq {}} {
2729                 set path [normalize_relpath $_prefix$head]
2730                 set head {}
2731         }
2732
2733         if {$head eq {}} {
2734                 load_current_branch
2735         } else {
2736                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2737                         if {[catch {
2738                                         set head [git rev-parse --verify $head]
2739                                 } err]} {
2740                                 puts stderr $err
2741                                 exit 1
2742                         }
2743                 }
2744                 set current_branch $head
2745         }
2746
2747         switch -- $subcommand {
2748         browser {
2749                 if {$jump_spec ne {}} usage
2750                 if {$head eq {}} {
2751                         if {$path ne {} && [file isdirectory $path]} {
2752                                 set head $current_branch
2753                         } else {
2754                                 set head $path
2755                                 set path {}
2756                         }
2757                 }
2758                 browser::new $head $path
2759         }
2760         blame   {
2761                 if {$head eq {} && ![file exists $path]} {
2762                         puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2763                         exit 1
2764                 }
2765                 blame::new $head $path $jump_spec
2766         }
2767         }
2768         return
2769 }
2770 citool -
2771 gui {
2772         if {[llength $argv] != 0} {
2773                 puts -nonewline stderr "usage: $argv0"
2774                 if {$subcommand ne {gui}
2775                         && [file tail $argv0] ne "git-$subcommand"} {
2776                         puts -nonewline stderr " $subcommand"
2777                 }
2778                 puts stderr {}
2779                 exit 1
2780         }
2781         # fall through to setup UI for commits
2782 }
2783 default {
2784         puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2785         exit 1
2786 }
2787 }
2788
2789 # -- Branch Control
2790 #
2791 frame .branch \
2792         -borderwidth 1 \
2793         -relief sunken
2794 label .branch.l1 \
2795         -text [mc "Current Branch:"] \
2796         -anchor w \
2797         -justify left
2798 label .branch.cb \
2799         -textvariable current_branch \
2800         -anchor w \
2801         -justify left
2802 pack .branch.l1 -side left
2803 pack .branch.cb -side left -fill x
2804 pack .branch -side top -fill x
2805
2806 # -- Main Window Layout
2807 #
2808 panedwindow .vpane -orient horizontal
2809 panedwindow .vpane.files -orient vertical
2810 .vpane add .vpane.files -sticky nsew -height 100 -width 200
2811 pack .vpane -anchor n -side top -fill both -expand 1
2812
2813 # -- Index File List
2814 #
2815 frame .vpane.files.index -height 100 -width 200
2816 label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2817         -background lightgreen -foreground black
2818 text $ui_index -background white -foreground black \
2819         -borderwidth 0 \
2820         -width 20 -height 10 \
2821         -wrap none \
2822         -cursor $cursor_ptr \
2823         -xscrollcommand {.vpane.files.index.sx set} \
2824         -yscrollcommand {.vpane.files.index.sy set} \
2825         -state disabled
2826 scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2827 scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2828 pack .vpane.files.index.title -side top -fill x
2829 pack .vpane.files.index.sx -side bottom -fill x
2830 pack .vpane.files.index.sy -side right -fill y
2831 pack $ui_index -side left -fill both -expand 1
2832
2833 # -- Working Directory File List
2834 #
2835 frame .vpane.files.workdir -height 100 -width 200
2836 label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2837         -background lightsalmon -foreground black
2838 text $ui_workdir -background white -foreground black \
2839         -borderwidth 0 \
2840         -width 20 -height 10 \
2841         -wrap none \
2842         -cursor $cursor_ptr \
2843         -xscrollcommand {.vpane.files.workdir.sx set} \
2844         -yscrollcommand {.vpane.files.workdir.sy set} \
2845         -state disabled
2846 scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2847 scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2848 pack .vpane.files.workdir.title -side top -fill x
2849 pack .vpane.files.workdir.sx -side bottom -fill x
2850 pack .vpane.files.workdir.sy -side right -fill y
2851 pack $ui_workdir -side left -fill both -expand 1
2852
2853 .vpane.files add .vpane.files.workdir -sticky nsew
2854 .vpane.files add .vpane.files.index -sticky nsew
2855
2856 foreach i [list $ui_index $ui_workdir] {
2857         rmsel_tag $i
2858         $i tag conf in_diff -background [$i tag cget in_sel -background]
2859 }
2860 unset i
2861
2862 # -- Diff and Commit Area
2863 #
2864 frame .vpane.lower -height 300 -width 400
2865 frame .vpane.lower.commarea
2866 frame .vpane.lower.diff -relief sunken -borderwidth 1
2867 pack .vpane.lower.diff -fill both -expand 1
2868 pack .vpane.lower.commarea -side bottom -fill x
2869 .vpane add .vpane.lower -sticky nsew
2870
2871 # -- Commit Area Buttons
2872 #
2873 frame .vpane.lower.commarea.buttons
2874 label .vpane.lower.commarea.buttons.l -text {} \
2875         -anchor w \
2876         -justify left
2877 pack .vpane.lower.commarea.buttons.l -side top -fill x
2878 pack .vpane.lower.commarea.buttons -side left -fill y
2879
2880 button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2881         -command ui_do_rescan
2882 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2883 lappend disable_on_lock \
2884         {.vpane.lower.commarea.buttons.rescan conf -state}
2885
2886 button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2887         -command do_add_all
2888 pack .vpane.lower.commarea.buttons.incall -side top -fill x
2889 lappend disable_on_lock \
2890         {.vpane.lower.commarea.buttons.incall conf -state}
2891
2892 if {![is_enabled nocommitmsg]} {
2893         button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2894                 -command do_signoff
2895         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2896 }
2897
2898 button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2899         -command do_commit
2900 pack .vpane.lower.commarea.buttons.commit -side top -fill x
2901 lappend disable_on_lock \
2902         {.vpane.lower.commarea.buttons.commit conf -state}
2903
2904 if {![is_enabled nocommit]} {
2905         button .vpane.lower.commarea.buttons.push -text [mc Push] \
2906                 -command do_push_anywhere
2907         pack .vpane.lower.commarea.buttons.push -side top -fill x
2908 }
2909
2910 # -- Commit Message Buffer
2911 #
2912 frame .vpane.lower.commarea.buffer
2913 frame .vpane.lower.commarea.buffer.header
2914 set ui_comm .vpane.lower.commarea.buffer.t
2915 set ui_coml .vpane.lower.commarea.buffer.header.l
2916
2917 if {![is_enabled nocommit]} {
2918         radiobutton .vpane.lower.commarea.buffer.header.new \
2919                 -text [mc "New Commit"] \
2920                 -command do_select_commit_type \
2921                 -variable selected_commit_type \
2922                 -value new
2923         lappend disable_on_lock \
2924                 [list .vpane.lower.commarea.buffer.header.new conf -state]
2925         radiobutton .vpane.lower.commarea.buffer.header.amend \
2926                 -text [mc "Amend Last Commit"] \
2927                 -command do_select_commit_type \
2928                 -variable selected_commit_type \
2929                 -value amend
2930         lappend disable_on_lock \
2931                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
2932 }
2933
2934 label $ui_coml \
2935         -anchor w \
2936         -justify left
2937 proc trace_commit_type {varname args} {
2938         global ui_coml commit_type
2939         switch -glob -- $commit_type {
2940         initial       {set txt [mc "Initial Commit Message:"]}
2941         amend         {set txt [mc "Amended Commit Message:"]}
2942         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2943         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2944         merge         {set txt [mc "Merge Commit Message:"]}
2945         *             {set txt [mc "Commit Message:"]}
2946         }
2947         $ui_coml conf -text $txt
2948 }
2949 trace add variable commit_type write trace_commit_type
2950 pack $ui_coml -side left -fill x
2951
2952 if {![is_enabled nocommit]} {
2953         pack .vpane.lower.commarea.buffer.header.amend -side right
2954         pack .vpane.lower.commarea.buffer.header.new -side right
2955 }
2956
2957 text $ui_comm -background white -foreground black \
2958         -borderwidth 1 \
2959         -undo true \
2960         -maxundo 20 \
2961         -autoseparators true \
2962         -relief sunken \
2963         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2964         -font font_diff \
2965         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2966 scrollbar .vpane.lower.commarea.buffer.sby \
2967         -command [list $ui_comm yview]
2968 pack .vpane.lower.commarea.buffer.header -side top -fill x
2969 pack .vpane.lower.commarea.buffer.sby -side right -fill y
2970 pack $ui_comm -side left -fill y
2971 pack .vpane.lower.commarea.buffer -side left -fill y
2972
2973 # -- Commit Message Buffer Context Menu
2974 #
2975 set ctxm .vpane.lower.commarea.buffer.ctxm
2976 menu $ctxm -tearoff 0
2977 $ctxm add command \
2978         -label [mc Cut] \
2979         -command {tk_textCut $ui_comm}
2980 $ctxm add command \
2981         -label [mc Copy] \
2982         -command {tk_textCopy $ui_comm}
2983 $ctxm add command \
2984         -label [mc Paste] \
2985         -command {tk_textPaste $ui_comm}
2986 $ctxm add command \
2987         -label [mc Delete] \
2988         -command {catch {$ui_comm delete sel.first sel.last}}
2989 $ctxm add separator
2990 $ctxm add command \
2991         -label [mc "Select All"] \
2992         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2993 $ctxm add command \
2994         -label [mc "Copy All"] \
2995         -command {
2996                 $ui_comm tag add sel 0.0 end
2997                 tk_textCopy $ui_comm
2998                 $ui_comm tag remove sel 0.0 end
2999         }
3000 $ctxm add separator
3001 $ctxm add command \
3002         -label [mc "Sign Off"] \
3003         -command do_signoff
3004 set ui_comm_ctxm $ctxm
3005
3006 # -- Diff Header
3007 #
3008 proc trace_current_diff_path {varname args} {
3009         global current_diff_path diff_actions file_states
3010         if {$current_diff_path eq {}} {
3011                 set s {}
3012                 set f {}
3013                 set p {}
3014                 set o disabled
3015         } else {
3016                 set p $current_diff_path
3017                 set s [mapdesc [lindex $file_states($p) 0] $p]
3018                 set f [mc "File:"]
3019                 set p [escape_path $p]
3020                 set o normal
3021         }
3022
3023         .vpane.lower.diff.header.status configure -text $s
3024         .vpane.lower.diff.header.file configure -text $f
3025         .vpane.lower.diff.header.path configure -text $p
3026         foreach w $diff_actions {
3027                 uplevel #0 $w $o
3028         }
3029 }
3030 trace add variable current_diff_path write trace_current_diff_path
3031
3032 frame .vpane.lower.diff.header -background gold
3033 label .vpane.lower.diff.header.status \
3034         -background gold \
3035         -foreground black \
3036         -width $max_status_desc \
3037         -anchor w \
3038         -justify left
3039 label .vpane.lower.diff.header.file \
3040         -background gold \
3041         -foreground black \
3042         -anchor w \
3043         -justify left
3044 label .vpane.lower.diff.header.path \
3045         -background gold \
3046         -foreground black \
3047         -anchor w \
3048         -justify left
3049 pack .vpane.lower.diff.header.status -side left
3050 pack .vpane.lower.diff.header.file -side left
3051 pack .vpane.lower.diff.header.path -fill x
3052 set ctxm .vpane.lower.diff.header.ctxm
3053 menu $ctxm -tearoff 0
3054 $ctxm add command \
3055         -label [mc Copy] \
3056         -command {
3057                 clipboard clear
3058                 clipboard append \
3059                         -format STRING \
3060                         -type STRING \
3061                         -- $current_diff_path
3062         }
3063 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3064 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3065
3066 # -- Diff Body
3067 #
3068 frame .vpane.lower.diff.body
3069 set ui_diff .vpane.lower.diff.body.t
3070 text $ui_diff -background white -foreground black \
3071         -borderwidth 0 \
3072         -width 80 -height 15 -wrap none \
3073         -font font_diff \
3074         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3075         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3076         -state disabled
3077 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3078         -command [list $ui_diff xview]
3079 scrollbar .vpane.lower.diff.body.sby -orient vertical \
3080         -command [list $ui_diff yview]
3081 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3082 pack .vpane.lower.diff.body.sby -side right -fill y
3083 pack $ui_diff -side left -fill both -expand 1
3084 pack .vpane.lower.diff.header -side top -fill x
3085 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3086
3087 $ui_diff tag conf d_cr -elide true
3088 $ui_diff tag conf d_@ -foreground blue -font font_diffbold
3089 $ui_diff tag conf d_+ -foreground {#00a000}
3090 $ui_diff tag conf d_- -foreground red
3091
3092 $ui_diff tag conf d_++ -foreground {#00a000}
3093 $ui_diff tag conf d_-- -foreground red
3094 $ui_diff tag conf d_+s \
3095         -foreground {#00a000} \
3096         -background {#e2effa}
3097 $ui_diff tag conf d_-s \
3098         -foreground red \
3099         -background {#e2effa}
3100 $ui_diff tag conf d_s+ \
3101         -foreground {#00a000} \
3102         -background ivory1
3103 $ui_diff tag conf d_s- \
3104         -foreground red \
3105         -background ivory1
3106
3107 $ui_diff tag conf d<<<<<<< \
3108         -foreground orange \
3109         -font font_diffbold
3110 $ui_diff tag conf d======= \
3111         -foreground orange \
3112         -font font_diffbold
3113 $ui_diff tag conf d>>>>>>> \
3114         -foreground orange \
3115         -font font_diffbold
3116
3117 $ui_diff tag raise sel
3118
3119 # -- Diff Body Context Menu
3120 #
3121
3122 proc create_common_diff_popup {ctxm} {
3123         $ctxm add command \
3124                 -label [mc "Show Less Context"] \
3125                 -command show_less_context
3126         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3127         $ctxm add command \
3128                 -label [mc "Show More Context"] \
3129                 -command show_more_context
3130         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3131         $ctxm add separator
3132         $ctxm add command \
3133                 -label [mc Refresh] \
3134                 -command reshow_diff
3135         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3136         $ctxm add command \
3137                 -label [mc Copy] \
3138                 -command {tk_textCopy $ui_diff}
3139         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3140         $ctxm add command \
3141                 -label [mc "Select All"] \
3142                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3143         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3144         $ctxm add command \
3145                 -label [mc "Copy All"] \
3146                 -command {
3147                         $ui_diff tag add sel 0.0 end
3148                         tk_textCopy $ui_diff
3149                         $ui_diff tag remove sel 0.0 end
3150                 }
3151         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3152         $ctxm add separator
3153         $ctxm add command \
3154                 -label [mc "Decrease Font Size"] \
3155                 -command {incr_font_size font_diff -1}
3156         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3157         $ctxm add command \
3158                 -label [mc "Increase Font Size"] \
3159                 -command {incr_font_size font_diff 1}
3160         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3161         $ctxm add separator
3162         set emenu $ctxm.enc
3163         menu $emenu
3164         build_encoding_menu $emenu [list force_diff_encoding]
3165         $ctxm add cascade \
3166                 -label [mc "Encoding"] \
3167                 -menu $emenu
3168         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3169         $ctxm add separator
3170         $ctxm add command -label [mc "Options..."] \
3171                 -command do_options
3172 }
3173
3174 set ctxm .vpane.lower.diff.body.ctxm
3175 menu $ctxm -tearoff 0
3176 $ctxm add command \
3177         -label [mc "Apply/Reverse Hunk"] \
3178         -command {apply_hunk $cursorX $cursorY}
3179 set ui_diff_applyhunk [$ctxm index last]
3180 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3181 $ctxm add command \
3182         -label [mc "Apply/Reverse Line"] \
3183         -command {apply_line $cursorX $cursorY; do_rescan}
3184 set ui_diff_applyline [$ctxm index last]
3185 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3186 $ctxm add separator
3187 create_common_diff_popup $ctxm
3188
3189 set ctxmmg .vpane.lower.diff.body.ctxmmg
3190 menu $ctxmmg -tearoff 0
3191 $ctxmmg add command \
3192         -label [mc "Run Merge Tool"] \
3193         -command {merge_resolve_tool}
3194 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3195 $ctxmmg add separator
3196 $ctxmmg add command \
3197         -label [mc "Use Remote Version"] \
3198         -command {merge_resolve_one 3}
3199 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3200 $ctxmmg add command \
3201         -label [mc "Use Local Version"] \
3202         -command {merge_resolve_one 2}
3203 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3204 $ctxmmg add command \
3205         -label [mc "Revert To Base"] \
3206         -command {merge_resolve_one 1}
3207 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3208 $ctxmmg add separator
3209 create_common_diff_popup $ctxmmg
3210
3211 proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3212         global current_diff_path file_states
3213         set ::cursorX $x
3214         set ::cursorY $y
3215         if {[info exists file_states($current_diff_path)]} {
3216                 set state [lindex $file_states($current_diff_path) 0]
3217         } else {
3218                 set state {__}
3219         }
3220         if {[string first {U} $state] >= 0} {
3221                 tk_popup $ctxmmg $X $Y
3222         } else {
3223                 if {$::ui_index eq $::current_diff_side} {
3224                         set l [mc "Unstage Hunk From Commit"]
3225                         set t [mc "Unstage Line From Commit"]
3226                 } else {
3227                         set l [mc "Stage Hunk For Commit"]
3228                         set t [mc "Stage Line For Commit"]
3229                 }
3230                 if {$::is_3way_diff || $::is_submodule_diff
3231                         || $current_diff_path eq {}
3232                         || {__} eq $state
3233                         || {_O} eq $state
3234                         || {_T} eq $state
3235                         || {T_} eq $state} {
3236                         set s disabled
3237                 } else {
3238                         set s normal
3239                 }
3240                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3241                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3242                 tk_popup $ctxm $X $Y
3243         }
3244 }
3245 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3246
3247 # -- Status Bar
3248 #
3249 set main_status [::status_bar::new .status]
3250 pack .status -anchor w -side bottom -fill x
3251 $main_status show [mc "Initializing..."]
3252
3253 # -- Load geometry
3254 #
3255 catch {
3256 set gm $repo_config(gui.geometry)
3257 wm geometry . [lindex $gm 0]
3258 .vpane sash place 0 \
3259         [lindex $gm 1] \
3260         [lindex [.vpane sash coord 0] 1]
3261 .vpane.files sash place 0 \
3262         [lindex [.vpane.files sash coord 0] 0] \
3263         [lindex $gm 2]
3264 unset gm
3265 }
3266
3267 # -- Key Bindings
3268 #
3269 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3270 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3271 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3272 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3273 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3274 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3275 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3276 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3277 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3278 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3279 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3280 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3281 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3282 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3283 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3284 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3285 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3286 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3287
3288 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3289 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3290 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3291 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3292 bind $ui_diff <$M1B-Key-v> {break}
3293 bind $ui_diff <$M1B-Key-V> {break}
3294 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3295 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3296 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3297 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3298 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3299 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3300 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3301 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3302 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3303 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3304 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3305 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3306 bind $ui_diff <Button-1>   {focus %W}
3307
3308 if {[is_enabled branch]} {
3309         bind . <$M1B-Key-n> branch_create::dialog
3310         bind . <$M1B-Key-N> branch_create::dialog
3311         bind . <$M1B-Key-o> branch_checkout::dialog
3312         bind . <$M1B-Key-O> branch_checkout::dialog
3313         bind . <$M1B-Key-m> merge::dialog
3314         bind . <$M1B-Key-M> merge::dialog
3315 }
3316 if {[is_enabled transport]} {
3317         bind . <$M1B-Key-p> do_push_anywhere
3318         bind . <$M1B-Key-P> do_push_anywhere
3319 }
3320
3321 bind .   <Key-F5>     ui_do_rescan
3322 bind .   <$M1B-Key-r> ui_do_rescan
3323 bind .   <$M1B-Key-R> ui_do_rescan
3324 bind .   <$M1B-Key-s> do_signoff
3325 bind .   <$M1B-Key-S> do_signoff
3326 bind .   <$M1B-Key-t> do_add_selection
3327 bind .   <$M1B-Key-T> do_add_selection
3328 bind .   <$M1B-Key-i> do_add_all
3329 bind .   <$M1B-Key-I> do_add_all
3330 bind .   <$M1B-Key-minus> {show_less_context;break}
3331 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3332 bind .   <$M1B-Key-equal> {show_more_context;break}
3333 bind .   <$M1B-Key-plus> {show_more_context;break}
3334 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3335 bind .   <$M1B-Key-Return> do_commit
3336 foreach i [list $ui_index $ui_workdir] {
3337         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3338         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3339         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3340 }
3341 unset i
3342
3343 set file_lists($ui_index) [list]
3344 set file_lists($ui_workdir) [list]
3345
3346 wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3347 focus -force $ui_comm
3348
3349 # -- Warn the user about environmental problems.  Cygwin's Tcl
3350 #    does *not* pass its env array onto any processes it spawns.
3351 #    This means that git processes get none of our environment.
3352 #
3353 if {[is_Cygwin]} {
3354         set ignored_env 0
3355         set suggest_user {}
3356         set msg [mc "Possible environment issues exist.
3357
3358 The following environment variables are probably
3359 going to be ignored by any Git subprocess run
3360 by %s:
3361
3362 " [appname]]
3363         foreach name [array names env] {
3364                 switch -regexp -- $name {
3365                 {^GIT_INDEX_FILE$} -
3366                 {^GIT_OBJECT_DIRECTORY$} -
3367                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3368                 {^GIT_DIFF_OPTS$} -
3369                 {^GIT_EXTERNAL_DIFF$} -
3370                 {^GIT_PAGER$} -
3371                 {^GIT_TRACE$} -
3372                 {^GIT_CONFIG$} -
3373                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3374                         append msg " - $name\n"
3375                         incr ignored_env
3376                 }
3377                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3378                         append msg " - $name\n"
3379                         incr ignored_env
3380                         set suggest_user $name
3381                 }
3382                 }
3383         }
3384         if {$ignored_env > 0} {
3385                 append msg [mc "
3386 This is due to a known issue with the
3387 Tcl binary distributed by Cygwin."]
3388
3389                 if {$suggest_user ne {}} {
3390                         append msg [mc "
3391
3392 A good replacement for %s
3393 is placing values for the user.name and
3394 user.email settings into your personal
3395 ~/.gitconfig file.
3396 " $suggest_user]
3397                 }
3398                 warn_popup $msg
3399         }
3400         unset ignored_env msg suggest_user name
3401 }
3402
3403 # -- Only initialize complex UI if we are going to stay running.
3404 #
3405 if {[is_enabled transport]} {
3406         load_all_remotes
3407
3408         set n [.mbar.remote index end]
3409         populate_remotes_menu
3410         set n [expr {[.mbar.remote index end] - $n}]
3411         if {$n > 0} {
3412                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3413                 .mbar.remote insert $n separator
3414         }
3415         unset n
3416 }
3417
3418 if {[winfo exists $ui_comm]} {
3419         set GITGUI_BCK_exists [load_message GITGUI_BCK]
3420
3421         # -- If both our backup and message files exist use the
3422         #    newer of the two files to initialize the buffer.
3423         #
3424         if {$GITGUI_BCK_exists} {
3425                 set m [gitdir GITGUI_MSG]
3426                 if {[file isfile $m]} {
3427                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3428                                 catch {file delete [gitdir GITGUI_MSG]}
3429                         } else {
3430                                 $ui_comm delete 0.0 end
3431                                 $ui_comm edit reset
3432                                 $ui_comm edit modified false
3433                                 catch {file delete [gitdir GITGUI_BCK]}
3434                                 set GITGUI_BCK_exists 0
3435                         }
3436                 }
3437                 unset m
3438         }
3439
3440         proc backup_commit_buffer {} {
3441                 global ui_comm GITGUI_BCK_exists
3442
3443                 set m [$ui_comm edit modified]
3444                 if {$m || $GITGUI_BCK_exists} {
3445                         set msg [string trim [$ui_comm get 0.0 end]]
3446                         regsub -all -line {[ \r\t]+$} $msg {} msg
3447
3448                         if {$msg eq {}} {
3449                                 if {$GITGUI_BCK_exists} {
3450                                         catch {file delete [gitdir GITGUI_BCK]}
3451                                         set GITGUI_BCK_exists 0
3452                                 }
3453                         } elseif {$m} {
3454                                 catch {
3455                                         set fd [open [gitdir GITGUI_BCK] w]
3456                                         puts -nonewline $fd $msg
3457                                         close $fd
3458                                         set GITGUI_BCK_exists 1
3459                                 }
3460                         }
3461
3462                         $ui_comm edit modified false
3463                 }
3464
3465                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3466         }
3467
3468         backup_commit_buffer
3469
3470         # -- If the user has aspell available we can drive it
3471         #    in pipe mode to spellcheck the commit message.
3472         #
3473         set spell_cmd [list |]
3474         set spell_dict [get_config gui.spellingdictionary]
3475         lappend spell_cmd aspell
3476         if {$spell_dict ne {}} {
3477                 lappend spell_cmd --master=$spell_dict
3478         }
3479         lappend spell_cmd --mode=none
3480         lappend spell_cmd --encoding=utf-8
3481         lappend spell_cmd pipe
3482         if {$spell_dict eq {none}
3483          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3484                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3485         } else {
3486                 set ui_comm_spell [spellcheck::init \
3487                         $spell_fd \
3488                         $ui_comm \
3489                         $ui_comm_ctxm \
3490                 ]
3491         }
3492         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3493 }
3494
3495 lock_index begin-read
3496 if {![winfo ismapped .]} {
3497         wm deiconify .
3498 }
3499 after 1 {
3500         if {[is_enabled initialamend]} {
3501                 force_amend
3502         } else {
3503                 do_rescan
3504         }
3505
3506         if {[is_enabled nocommitmsg]} {
3507                 $ui_comm configure -state disabled -background gray
3508         }
3509 }
3510 if {[is_enabled multicommit]} {
3511         after 1000 hint_gc
3512 }
3513 if {[is_enabled retcode]} {
3514         bind . <Destroy> {+terminate_me %W}
3515 }
3516 if {$picked && [is_config_true gui.autoexplore]} {
3517         do_explore
3518 }