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