git-gui/git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3  if test "z$*" = zversion \
   4  || test "z$*" = z--version; \
   5  then \
   6         echo 'git-gui version @@GITGUI_VERSION@@'; \
   7         exit; \
   8  fi; \
   9  argv0=$0; \
  10  exec wish "$argv0" -- "$@"
  11
  12 set appvers {@@GITGUI_VERSION@@}
  13 set copyright [encoding convertfrom utf-8 {
  14 Copyright © 2006, 2007 Shawn Pearce, et. al.
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License as published by
  18 the Free Software Foundation; either version 2 of the License, or
  19 (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30 ######################################################################
  31 ##
  32 ## Tcl/Tk sanity check
  33
  34 if {[catch {package require Tcl 8.4} err]
  35  || [catch {package require Tk  8.4} err]
  36 } {
  37         catch {wm withdraw .}
  38         tk_messageBox \
  39                 -icon error \
  40                 -type ok \
  41                 -title [mc "git-gui: fatal error"] \
  42                 -message $err
  43         exit 1
  44 }
  45
  46 catch {rename send {}} ; # What an evil concept...
  47
  48 ######################################################################
  49 ##
  50 ## locate our library
  51
  52 set oguilib {@@GITGUI_LIBDIR@@}
  53 set oguirel {@@GITGUI_RELATIVE@@}
  54 if {$oguirel eq {1}} {
  55         set oguilib [file dirname [file normalize $argv0]]
  56         if {[file tail $oguilib] eq {git-core}} {
  57                 set oguilib [file dirname $oguilib]
  58         }
  59         set oguilib [file dirname $oguilib]
  60         set oguilib [file join $oguilib share git-gui lib]
  61         set oguimsg [file join $oguilib msgs]
  62 } elseif {[string match @@* $oguirel]} {
  63         set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64         set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65 } else {
  66         set oguimsg [file join $oguilib msgs]
  67 }
  68 unset oguirel
  69
  70 ######################################################################
  71 ##
  72 ## enable verbose loading?
  73
  74 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75         unset _verbose
  76         rename auto_load real__auto_load
  77         proc auto_load {name args} {
  78                 puts stderr "auto_load $name"
  79                 return [uplevel 1 real__auto_load $name $args]
  80         }
  81         rename source real__source
  82         proc source {name} {
  83                 puts stderr "source    $name"
  84                 uplevel 1 real__source $name
  85         }
  86 }
  87
  88 ######################################################################
  89 ##
  90 ## Internationalization (i18n) through msgcat and gettext. See
  91 ## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  92
  93 package require msgcat
  94
  95 proc _mc_trim {fmt} {
  96         set cmk [string first @@ $fmt]
  97         if {$cmk > 0} {
  98                 return [string range $fmt 0 [expr {$cmk - 1}]]
  99         }
 100         return $fmt
 101 }
 102
 103 proc mc {en_fmt args} {
 104         set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 105         if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 106                 set msg [eval [list format [_mc_trim $en_fmt]] $args]
 107         }
 108         return $msg
 109 }
 110
 111 proc strcat {args} {
 112         return [join $args {}]
 113 }
 114
 115 ::msgcat::mcload $oguimsg
 116 unset oguimsg
 117
 118 ######################################################################
 119 ##
 120 ## read only globals
 121
 122 set _appname {Git Gui}
 123 set _gitdir {}
 124 set _gitexec {}
 125 set _githtmldir {}
 126 set _reponame {}
 127 set _iscygwin {}
 128 set _search_path {}
 129
 130 set _trace [lsearch -exact $argv --trace]
 131 if {$_trace >= 0} {
 132         set argv [lreplace $argv $_trace $_trace]
 133         set _trace 1
 134 } else {
 135         set _trace 0
 136 }
 137
 138 proc appname {} {
 139         global _appname
 140         return $_appname
 141 }
 142
 143 proc gitdir {args} {
 144         global _gitdir
 145         if {$args eq {}} {
 146                 return $_gitdir
 147         }
 148         return [eval [list file join $_gitdir] $args]
 149 }
 150
 151 proc gitexec {args} {
 152         global _gitexec
 153         if {$_gitexec eq {}} {
 154                 if {[catch {set _gitexec [git --exec-path]} err]} {
 155                         error "Git not installed?\n\n$err"
 156                 }
 157                 if {[is_Cygwin]} {
 158                         set _gitexec [exec cygpath \
 159                                 --windows \
 160                                 --absolute \
 161                                 $_gitexec]
 162                 } else {
 163                         set _gitexec [file normalize $_gitexec]
 164                 }
 165         }
 166         if {$args eq {}} {
 167                 return $_gitexec
 168         }
 169         return [eval [list file join $_gitexec] $args]
 170 }
 171
 172 proc githtmldir {args} {
 173         global _githtmldir
 174         if {$_githtmldir eq {}} {
 175                 if {[catch {set _githtmldir [git --html-path]}]} {
 176                         # Git not installed or option not yet supported
 177                         return {}
 178                 }
 179                 if {[is_Cygwin]} {
 180                         set _githtmldir [exec cygpath \
 181                                 --windows \
 182                                 --absolute \
 183                                 $_githtmldir]
 184                 } else {
 185                         set _githtmldir [file normalize $_githtmldir]
 186                 }
 187         }
 188         if {$args eq {}} {
 189                 return $_githtmldir
 190         }
 191         return [eval [list file join $_githtmldir] $args]
 192 }
 193
 194 proc reponame {} {
 195         return $::_reponame
 196 }
 197
 198 proc is_MacOSX {} {
 199         if {[tk windowingsystem] eq {aqua}} {
 200                 return 1
 201         }
 202         return 0
 203 }
 204
 205 proc is_Windows {} {
 206         if {$::tcl_platform(platform) eq {windows}} {
 207                 return 1
 208         }
 209         return 0
 210 }
 211
 212 proc is_Cygwin {} {
 213         global _iscygwin
 214         if {$_iscygwin eq {}} {
 215                 if {$::tcl_platform(platform) eq {windows}} {
 216                         if {[catch {set p [exec cygpath --windir]} err]} {
 217                                 set _iscygwin 0
 218                         } else {
 219                                 set _iscygwin 1
 220                         }
 221                 } else {
 222                         set _iscygwin 0
 223                 }
 224         }
 225         return $_iscygwin
 226 }
 227
 228 proc is_enabled {option} {
 229         global enabled_options
 230         if {[catch {set on $enabled_options($option)}]} {return 0}
 231         return $on
 232 }
 233
 234 proc enable_option {option} {
 235         global enabled_options
 236         set enabled_options($option) 1
 237 }
 238
 239 proc disable_option {option} {
 240         global enabled_options
 241         set enabled_options($option) 0
 242 }
 243
 244 ######################################################################
 245 ##
 246 ## config
 247
 248 proc is_many_config {name} {
 249         switch -glob -- $name {
 250         gui.recentrepo -
 251         remote.*.fetch -
 252         remote.*.push
 253                 {return 1}
 254         *
 255                 {return 0}
 256         }
 257 }
 258
 259 proc is_config_true {name} {
 260         global repo_config
 261         if {[catch {set v $repo_config($name)}]} {
 262                 return 0
 263         } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 264                 return 1
 265         } else {
 266                 return 0
 267         }
 268 }
 269
 270 proc get_config {name} {
 271         global repo_config
 272         if {[catch {set v $repo_config($name)}]} {
 273                 return {}
 274         } else {
 275                 return $v
 276         }
 277 }
 278
 279 ######################################################################
 280 ##
 281 ## handy utils
 282
 283 proc _trace_exec {cmd} {
 284         if {!$::_trace} return
 285         set d {}
 286         foreach v $cmd {
 287                 if {$d ne {}} {
 288                         append d { }
 289                 }
 290                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 291                         set v [sq $v]
 292                 }
 293                 append d $v
 294         }
 295         puts stderr $d
 296 }
 297
 298 proc _git_cmd {name} {
 299         global _git_cmd_path
 300
 301         if {[catch {set v $_git_cmd_path($name)}]} {
 302                 switch -- $name {
 303                   version   -
 304                 --version   -
 305                 --exec-path { return [list $::_git $name] }
 306                 }
 307
 308                 set p [gitexec git-$name$::_search_exe]
 309                 if {[file exists $p]} {
 310                         set v [list $p]
 311                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 312                         # Try to determine what sort of magic will make
 313                         # git-$name go and do its thing, because native
 314                         # Tcl on Windows doesn't know it.
 315                         #
 316                         set p [gitexec git-$name]
 317                         set f [open $p r]
 318                         set s [gets $f]
 319                         close $f
 320
 321                         switch -glob -- [lindex $s 0] {
 322                         #!*sh     { set i sh     }
 323                         #!*perl   { set i perl   }
 324                         #!*python { set i python }
 325                         default   { error "git-$name is not supported: $s" }
 326                         }
 327
 328                         upvar #0 _$i interp
 329                         if {![info exists interp]} {
 330                                 set interp [_which $i]
 331                         }
 332                         if {$interp eq {}} {
 333                                 error "git-$name requires $i (not in PATH)"
 334                         }
 335                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 336                 } else {
 337                         # Assume it is builtin to git somehow and we
 338                         # aren't actually able to see a file for it.
 339                         #
 340                         set v [list $::_git $name]
 341                 }
 342                 set _git_cmd_path($name) $v
 343         }
 344         return $v
 345 }
 346
 347 proc _which {what args} {
 348         global env _search_exe _search_path
 349
 350         if {$_search_path eq {}} {
 351                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 352                         set _search_path [split [exec cygpath \
 353                                 --windows \
 354                                 --path \
 355                                 --absolute \
 356                                 $env(PATH)] {;}]
 357                         set _search_exe .exe
 358                 } elseif {[is_Windows]} {
 359                         set gitguidir [file dirname [info script]]
 360                         regsub -all ";" $gitguidir "\\;" gitguidir
 361                         set env(PATH) "$gitguidir;$env(PATH)"
 362                         set _search_path [split $env(PATH) {;}]
 363                         set _search_exe .exe
 364                 } else {
 365                         set _search_path [split $env(PATH) :]
 366                         set _search_exe {}
 367                 }
 368         }
 369
 370         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 371                 set suffix {}
 372         } else {
 373                 set suffix $_search_exe
 374         }
 375
 376         foreach p $_search_path {
 377                 set p [file join $p $what$suffix]
 378                 if {[file exists $p]} {
 379                         return [file normalize $p]
 380                 }
 381         }
 382         return {}
 383 }
 384
 385 proc _lappend_nice {cmd_var} {
 386         global _nice
 387         upvar $cmd_var cmd
 388
 389         if {![info exists _nice]} {
 390                 set _nice [_which nice]
 391         }
 392         if {$_nice ne {}} {
 393                 lappend cmd $_nice
 394         }
 395 }
 396
 397 proc git {args} {
 398         set opt [list]
 399
 400         while {1} {
 401                 switch -- [lindex $args 0] {
 402                 --nice {
 403                         _lappend_nice opt
 404                 }
 405
 406                 default {
 407                         break
 408                 }
 409
 410                 }
 411
 412                 set args [lrange $args 1 end]
 413         }
 414
 415         set cmdp [_git_cmd [lindex $args 0]]
 416         set args [lrange $args 1 end]
 417
 418         _trace_exec [concat $opt $cmdp $args]
 419         set result [eval exec $opt $cmdp $args]
 420         if {$::_trace} {
 421                 puts stderr "< $result"
 422         }
 423         return $result
 424 }
 425
 426 proc _open_stdout_stderr {cmd} {
 427         _trace_exec $cmd
 428         if {[catch {
 429                         set fd [open [concat [list | ] $cmd] r]
 430                 } err]} {
 431                 if {   [lindex $cmd end] eq {2>@1}
 432                     && $err eq {can not find channel named "1"}
 433                         } {
 434                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 435                         # redirect operator.  Fallback to |& cat for those.
 436                         # The command was not actually started, so its safe
 437                         # to try to start it a second time.
 438                         #
 439                         set fd [open [concat \
 440                                 [list | ] \
 441                                 [lrange $cmd 0 end-1] \
 442                                 [list |& cat] \
 443                                 ] r]
 444                 } else {
 445                         error $err
 446                 }
 447         }
 448         fconfigure $fd -eofchar {}
 449         return $fd
 450 }
 451
 452 proc git_read {args} {
 453         set opt [list]
 454
 455         while {1} {
 456                 switch -- [lindex $args 0] {
 457                 --nice {
 458                         _lappend_nice opt
 459                 }
 460
 461                 --stderr {
 462                         lappend args 2>@1
 463                 }
 464
 465                 default {
 466                         break
 467                 }
 468
 469                 }
 470
 471                 set args [lrange $args 1 end]
 472         }
 473
 474         set cmdp [_git_cmd [lindex $args 0]]
 475         set args [lrange $args 1 end]
 476
 477         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 478 }
 479
 480 proc git_write {args} {
 481         set opt [list]
 482
 483         while {1} {
 484                 switch -- [lindex $args 0] {
 485                 --nice {
 486                         _lappend_nice opt
 487                 }
 488
 489                 default {
 490                         break
 491                 }
 492
 493                 }
 494
 495                 set args [lrange $args 1 end]
 496         }
 497
 498         set cmdp [_git_cmd [lindex $args 0]]
 499         set args [lrange $args 1 end]
 500
 501         _trace_exec [concat $opt $cmdp $args]
 502         return [open [concat [list | ] $opt $cmdp $args] w]
 503 }
 504
 505 proc githook_read {hook_name args} {
 506         set pchook [gitdir hooks $hook_name]
 507         lappend args 2>@1
 508
 509         # On Windows [file executable] might lie so we need to ask
 510         # the shell if the hook is executable.  Yes that's annoying.
 511         #
 512         if {[is_Windows]} {
 513                 upvar #0 _sh interp
 514                 if {![info exists interp]} {
 515                         set interp [_which sh]
 516                 }
 517                 if {$interp eq {}} {
 518                         error "hook execution requires sh (not in PATH)"
 519                 }
 520
 521                 set scr {if test -x "$1";then exec "$@";fi}
 522                 set sh_c [list $interp -c $scr $interp $pchook]
 523                 return [_open_stdout_stderr [concat $sh_c $args]]
 524         }
 525
 526         if {[file executable $pchook]} {
 527                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 528         }
 529
 530         return {}
 531 }
 532
 533 proc kill_file_process {fd} {
 534         set process [pid $fd]
 535
 536         catch {
 537                 if {[is_Windows]} {
 538                         # Use a Cygwin-specific flag to allow killing
 539                         # native Windows processes
 540                         exec kill -f $process
 541                 } else {
 542                         exec kill $process
 543                 }
 544         }
 545 }
 546
 547 proc gitattr {path attr default} {
 548         if {[catch {set r [git check-attr $attr -- $path]}]} {
 549                 set r unspecified
 550         } else {
 551                 set r [join [lrange [split $r :] 2 end] :]
 552                 regsub {^ } $r {} r
 553         }
 554         if {$r eq {unspecified}} {
 555                 return $default
 556         }
 557         return $r
 558 }
 559
 560 proc sq {value} {
 561         regsub -all ' $value "'\\''" value
 562         return "'$value'"
 563 }
 564
 565 proc load_current_branch {} {
 566         global current_branch is_detached
 567
 568         set fd [open [gitdir HEAD] r]
 569         if {[gets $fd ref] < 1} {
 570                 set ref {}
 571         }
 572         close $fd
 573
 574         set pfx {ref: refs/heads/}
 575         set len [string length $pfx]
 576         if {[string equal -length $len $pfx $ref]} {
 577                 # We're on a branch.  It might not exist.  But
 578                 # HEAD looks good enough to be a branch.
 579                 #
 580                 set current_branch [string range $ref $len end]
 581                 set is_detached 0
 582         } else {
 583                 # Assume this is a detached head.
 584                 #
 585                 set current_branch HEAD
 586                 set is_detached 1
 587         }
 588 }
 589
 590 auto_load tk_optionMenu
 591 rename tk_optionMenu real__tkOptionMenu
 592 proc tk_optionMenu {w varName args} {
 593         set m [eval real__tkOptionMenu $w $varName $args]
 594         $m configure -font font_ui
 595         $w configure -font font_ui
 596         return $m
 597 }
 598
 599 proc rmsel_tag {text} {
 600         $text tag conf sel \
 601                 -background [$text cget -background] \
 602                 -foreground [$text cget -foreground] \
 603                 -borderwidth 0
 604         $text tag conf in_sel -background lightgray
 605         bind $text <Motion> break
 606         return $text
 607 }
 608
 609 set root_exists 0
 610 bind . <Visibility> {
 611         bind . <Visibility> {}
 612         set root_exists 1
 613 }
 614
 615 if {[is_Windows]} {
 616         wm iconbitmap . -default $oguilib/git-gui.ico
 617         set ::tk::AlwaysShowSelection 1
 618
 619         # Spoof an X11 display for SSH
 620         if {![info exists env(DISPLAY)]} {
 621                 set env(DISPLAY) :9999
 622         }
 623 } else {
 624         catch {
 625                 image create photo gitlogo -width 16 -height 16
 626
 627                 gitlogo put #33CC33 -to  7  0  9  2
 628                 gitlogo put #33CC33 -to  4  2 12  4
 629                 gitlogo put #33CC33 -to  7  4  9  6
 630                 gitlogo put #CC3333 -to  4  6 12  8
 631                 gitlogo put gray26  -to  4  9  6 10
 632                 gitlogo put gray26  -to  3 10  6 12
 633                 gitlogo put gray26  -to  8  9 13 11
 634                 gitlogo put gray26  -to  8 11 10 12
 635                 gitlogo put gray26  -to 11 11 13 14
 636                 gitlogo put gray26  -to  3 12  5 14
 637                 gitlogo put gray26  -to  5 13
 638                 gitlogo put gray26  -to 10 13
 639                 gitlogo put gray26  -to  4 14 12 15
 640                 gitlogo put gray26  -to  5 15 11 16
 641                 gitlogo redither
 642
 643                 wm iconphoto . -default gitlogo
 644         }
 645 }
 646
 647 ######################################################################
 648 ##
 649 ## config defaults
 650
 651 set cursor_ptr arrow
 652 font create font_diff -family Courier -size 10
 653 font create font_ui
 654 catch {
 655         label .dummy
 656         eval font configure font_ui [font actual [.dummy cget -font]]
 657         destroy .dummy
 658 }
 659
 660 font create font_uiitalic
 661 font create font_uibold
 662 font create font_diffbold
 663 font create font_diffitalic
 664
 665 foreach class {Button Checkbutton Entry Label
 666                 Labelframe Listbox Message
 667                 Radiobutton Spinbox Text} {
 668         option add *$class.font font_ui
 669 }
 670 if {![is_MacOSX]} {
 671         option add *Menu.font font_ui
 672 }
 673 unset class
 674
 675 if {[is_Windows] || [is_MacOSX]} {
 676         option add *Menu.tearOff 0
 677 }
 678
 679 if {[is_MacOSX]} {
 680         set M1B M1
 681         set M1T Cmd
 682 } else {
 683         set M1B Control
 684         set M1T Ctrl
 685 }
 686
 687 proc bind_button3 {w cmd} {
 688         bind $w <Any-Button-3> $cmd
 689         if {[is_MacOSX]} {
 690                 # Mac OS X sends Button-2 on right click through three-button mouse,
 691                 # or through trackpad right-clicking (two-finger touch + click).
 692                 bind $w <Any-Button-2> $cmd
 693                 bind $w <Control-Button-1> $cmd
 694         }
 695 }
 696
 697 proc apply_config {} {
 698         global repo_config font_descs
 699
 700         foreach option $font_descs {
 701                 set name [lindex $option 0]
 702                 set font [lindex $option 1]
 703                 if {[catch {
 704                         set need_weight 1
 705                         foreach {cn cv} $repo_config(gui.$name) {
 706                                 if {$cn eq {-weight}} {
 707                                         set need_weight 0
 708                                 }
 709                                 font configure $font $cn $cv
 710                         }
 711                         if {$need_weight} {
 712                                 font configure $font -weight normal
 713                         }
 714                         } err]} {
 715                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 716                 }
 717                 foreach {cn cv} [font configure $font] {
 718                         font configure ${font}bold $cn $cv
 719                         font configure ${font}italic $cn $cv
 720                 }
 721                 font configure ${font}bold -weight bold
 722                 font configure ${font}italic -slant italic
 723         }
 724 }
 725
 726 set default_config(branch.autosetupmerge) true
 727 set default_config(merge.tool) {}
 728 set default_config(mergetool.keepbackup) true
 729 set default_config(merge.diffstat) true
 730 set default_config(merge.summary) false
 731 set default_config(merge.verbosity) 2
 732 set default_config(user.name) {}
 733 set default_config(user.email) {}
 734
 735 set default_config(gui.encoding) [encoding system]
 736 set default_config(gui.matchtrackingbranch) false
 737 set default_config(gui.pruneduringfetch) false
 738 set default_config(gui.trustmtime) false
 739 set default_config(gui.fastcopyblame) false
 740 set default_config(gui.copyblamethreshold) 40
 741 set default_config(gui.blamehistoryctx) 7
 742 set default_config(gui.diffcontext) 5
 743 set default_config(gui.commitmsgwidth) 75
 744 set default_config(gui.newbranchtemplate) {}
 745 set default_config(gui.spellingdictionary) {}
 746 set default_config(gui.fontui) [font configure font_ui]
 747 set default_config(gui.fontdiff) [font configure font_diff]
 748 set font_descs {
 749         {fontui   font_ui   {mc "Main Font"}}
 750         {fontdiff font_diff {mc "Diff/Console Font"}}
 751 }
 752
 753 ######################################################################
 754 ##
 755 ## find git
 756
 757 set _git  [_which git]
 758 if {$_git eq {}} {
 759         catch {wm withdraw .}
 760         tk_messageBox \
 761                 -icon error \
 762                 -type ok \
 763                 -title [mc "git-gui: fatal error"] \
 764                 -message [mc "Cannot find git in PATH."]
 765         exit 1
 766 }
 767
 768 ######################################################################
 769 ##
 770 ## version check
 771
 772 if {[catch {set _git_version [git --version]} err]} {
 773         catch {wm withdraw .}
 774         tk_messageBox \
 775                 -icon error \
 776                 -type ok \
 777                 -title [mc "git-gui: fatal error"] \
 778                 -message "Cannot determine Git version:
 779
 780 $err
 781
 782 [appname] requires Git 1.5.0 or later."
 783         exit 1
 784 }
 785 if {![regsub {^git version } $_git_version {} _git_version]} {
 786         catch {wm withdraw .}
 787         tk_messageBox \
 788                 -icon error \
 789                 -type ok \
 790                 -title [mc "git-gui: fatal error"] \
 791                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 792         exit 1
 793 }
 794
 795 set _real_git_version $_git_version
 796 regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 797 regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 798 regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 799 regsub {\.GIT$} $_git_version {} _git_version
 800 regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 801
 802 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 803         catch {wm withdraw .}
 804         if {[tk_messageBox \
 805                 -icon warning \
 806                 -type yesno \
 807                 -default no \
 808                 -title "[appname]: warning" \
 809                  -message [mc "Git version cannot be determined.
 810
 811 %s claims it is version '%s'.
 812
 813 %s requires at least Git 1.5.0 or later.
 814
 815 Assume '%s' is version 1.5.0?
 816 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 817                 set _git_version 1.5.0
 818         } else {
 819                 exit 1
 820         }
 821 }
 822 unset _real_git_version
 823
 824 proc git-version {args} {
 825         global _git_version
 826
 827         switch [llength $args] {
 828         0 {
 829                 return $_git_version
 830         }
 831
 832         2 {
 833                 set op [lindex $args 0]
 834                 set vr [lindex $args 1]
 835                 set cm [package vcompare $_git_version $vr]
 836                 return [expr $cm $op 0]
 837         }
 838
 839         4 {
 840                 set type [lindex $args 0]
 841                 set name [lindex $args 1]
 842                 set parm [lindex $args 2]
 843                 set body [lindex $args 3]
 844
 845                 if {($type ne {proc} && $type ne {method})} {
 846                         error "Invalid arguments to git-version"
 847                 }
 848                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 849                         error "Last arm of $type $name must be default"
 850                 }
 851
 852                 foreach {op vr cb} [lrange $body 0 end-2] {
 853                         if {[git-version $op $vr]} {
 854                                 return [uplevel [list $type $name $parm $cb]]
 855                         }
 856                 }
 857
 858                 return [uplevel [list $type $name $parm [lindex $body end]]]
 859         }
 860
 861         default {
 862                 error "git-version >= x"
 863         }
 864
 865         }
 866 }
 867
 868 if {[git-version < 1.5]} {
 869         catch {wm withdraw .}
 870         tk_messageBox \
 871                 -icon error \
 872                 -type ok \
 873                 -title [mc "git-gui: fatal error"] \
 874                 -message "[appname] requires Git 1.5.0 or later.
 875
 876 You are using [git-version]:
 877
 878 [git --version]"
 879         exit 1
 880 }
 881
 882 ######################################################################
 883 ##
 884 ## configure our library
 885
 886 set idx [file join $oguilib tclIndex]
 887 if {[catch {set fd [open $idx r]} err]} {
 888         catch {wm withdraw .}
 889         tk_messageBox \
 890                 -icon error \
 891                 -type ok \
 892                 -title [mc "git-gui: fatal error"] \
 893                 -message $err
 894         exit 1
 895 }
 896 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 897         set idx [list]
 898         while {[gets $fd n] >= 0} {
 899                 if {$n ne {} && ![string match #* $n]} {
 900                         lappend idx $n
 901                 }
 902         }
 903 } else {
 904         set idx {}
 905 }
 906 close $fd
 907
 908 if {$idx ne {}} {
 909         set loaded [list]
 910         foreach p $idx {
 911                 if {[lsearch -exact $loaded $p] >= 0} continue
 912                 source [file join $oguilib $p]
 913                 lappend loaded $p
 914         }
 915         unset loaded p
 916 } else {
 917         set auto_path [concat [list $oguilib] $auto_path]
 918 }
 919 unset -nocomplain idx fd
 920
 921 ######################################################################
 922 ##
 923 ## config file parsing
 924
 925 git-version proc _parse_config {arr_name args} {
 926         >= 1.5.3 {
 927                 upvar $arr_name arr
 928                 array unset arr
 929                 set buf {}
 930                 catch {
 931                         set fd_rc [eval \
 932                                 [list git_read config] \
 933                                 $args \
 934                                 [list --null --list]]
 935                         fconfigure $fd_rc -translation binary
 936                         set buf [read $fd_rc]
 937                         close $fd_rc
 938                 }
 939                 foreach line [split $buf "\0"] {
 940                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 941                                 if {[is_many_config $name]} {
 942                                         lappend arr($name) $value
 943                                 } else {
 944                                         set arr($name) $value
 945                                 }
 946                         }
 947                 }
 948         }
 949         default {
 950                 upvar $arr_name arr
 951                 array unset arr
 952                 catch {
 953                         set fd_rc [eval [list git_read config --list] $args]
 954                         while {[gets $fd_rc line] >= 0} {
 955                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 956                                         if {[is_many_config $name]} {
 957                                                 lappend arr($name) $value
 958                                         } else {
 959                                                 set arr($name) $value
 960                                         }
 961                                 }
 962                         }
 963                         close $fd_rc
 964                 }
 965         }
 966 }
 967
 968 proc load_config {include_global} {
 969         global repo_config global_config system_config default_config
 970
 971         if {$include_global} {
 972                 _parse_config system_config --system
 973                 _parse_config global_config --global
 974         }
 975         _parse_config repo_config
 976
 977         foreach name [array names default_config] {
 978                 if {[catch {set v $system_config($name)}]} {
 979                         set system_config($name) $default_config($name)
 980                 }
 981         }
 982         foreach name [array names system_config] {
 983                 if {[catch {set v $global_config($name)}]} {
 984                         set global_config($name) $system_config($name)
 985                 }
 986                 if {[catch {set v $repo_config($name)}]} {
 987                         set repo_config($name) $system_config($name)
 988                 }
 989         }
 990 }
 991
 992 ######################################################################
 993 ##
 994 ## feature option selection
 995
 996 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 997         unset _junk
 998 } else {
 999         set subcommand gui
1000 }
1001 if {$subcommand eq {gui.sh}} {
1002         set subcommand gui
1003 }
1004 if {$subcommand eq {gui} && [llength $argv] > 0} {
1005         set subcommand [lindex $argv 0]
1006         set argv [lrange $argv 1 end]
1007 }
1008
1009 enable_option multicommit
1010 enable_option branch
1011 enable_option transport
1012 disable_option bare
1013
1014 switch -- $subcommand {
1015 browser -
1016 blame {
1017         enable_option bare
1018
1019         disable_option multicommit
1020         disable_option branch
1021         disable_option transport
1022 }
1023 citool {
1024         enable_option singlecommit
1025         enable_option retcode
1026
1027         disable_option multicommit
1028         disable_option branch
1029         disable_option transport
1030
1031         while {[llength $argv] > 0} {
1032                 set a [lindex $argv 0]
1033                 switch -- $a {
1034                 --amend {
1035                         enable_option initialamend
1036                 }
1037                 --nocommit {
1038                         enable_option nocommit
1039                         enable_option nocommitmsg
1040                 }
1041                 --commitmsg {
1042                         disable_option nocommitmsg
1043                 }
1044                 default {
1045                         break
1046                 }
1047                 }
1048
1049                 set argv [lrange $argv 1 end]
1050         }
1051 }
1052 }
1053
1054 ######################################################################
1055 ##
1056 ## execution environment
1057
1058 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1059
1060 # Suggest our implementation of askpass, if none is set
1061 if {![info exists env(SSH_ASKPASS)]} {
1062         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1063 }
1064
1065 ######################################################################
1066 ##
1067 ## repository setup
1068
1069 set picked 0
1070 if {[catch {
1071                 set _gitdir $env(GIT_DIR)
1072                 set _prefix {}
1073                 }]
1074         && [catch {
1075                 set _gitdir [git rev-parse --git-dir]
1076                 set _prefix [git rev-parse --show-prefix]
1077         } err]} {
1078         load_config 1
1079         apply_config
1080         choose_repository::pick
1081         set picked 1
1082 }
1083 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1084         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1085 }
1086 if {![file isdirectory $_gitdir]} {
1087         catch {wm withdraw .}
1088         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1089         exit 1
1090 }
1091 if {$_prefix ne {}} {
1092         regsub -all {[^/]+/} $_prefix ../ cdup
1093         if {[catch {cd $cdup} err]} {
1094                 catch {wm withdraw .}
1095                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1096                 exit 1
1097         }
1098         unset cdup
1099 } elseif {![is_enabled bare]} {
1100         if {[lindex [file split $_gitdir] end] ne {.git}} {
1101                 catch {wm withdraw .}
1102                 error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1103                 exit 1
1104         }
1105         if {[catch {cd [file dirname $_gitdir]} err]} {
1106                 catch {wm withdraw .}
1107                 error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1108                 exit 1
1109         }
1110 }
1111 set _reponame [file split [file normalize $_gitdir]]
1112 if {[lindex $_reponame end] eq {.git}} {
1113         set _reponame [lindex $_reponame end-1]
1114 } else {
1115         set _reponame [lindex $_reponame end]
1116 }
1117
1118 ######################################################################
1119 ##
1120 ## global init
1121
1122 set current_diff_path {}
1123 set current_diff_side {}
1124 set diff_actions [list]
1125
1126 set HEAD {}
1127 set PARENT {}
1128 set MERGE_HEAD [list]
1129 set commit_type {}
1130 set empty_tree {}
1131 set current_branch {}
1132 set is_detached 0
1133 set current_diff_path {}
1134 set is_3way_diff 0
1135 set is_conflict_diff 0
1136 set selected_commit_type new
1137 set diff_empty_count 0
1138
1139 set nullid "0000000000000000000000000000000000000000"
1140 set nullid2 "0000000000000000000000000000000000000001"
1141
1142 ######################################################################
1143 ##
1144 ## task management
1145
1146 set rescan_active 0
1147 set diff_active 0
1148 set last_clicked {}
1149
1150 set disable_on_lock [list]
1151 set index_lock_type none
1152
1153 proc lock_index {type} {
1154         global index_lock_type disable_on_lock
1155
1156         if {$index_lock_type eq {none}} {
1157                 set index_lock_type $type
1158                 foreach w $disable_on_lock {
1159                         uplevel #0 $w disabled
1160                 }
1161                 return 1
1162         } elseif {$index_lock_type eq "begin-$type"} {
1163                 set index_lock_type $type
1164                 return 1
1165         }
1166         return 0
1167 }
1168
1169 proc unlock_index {} {
1170         global index_lock_type disable_on_lock
1171
1172         set index_lock_type none
1173         foreach w $disable_on_lock {
1174                 uplevel #0 $w normal
1175         }
1176 }
1177
1178 ######################################################################
1179 ##
1180 ## status
1181
1182 proc repository_state {ctvar hdvar mhvar} {
1183         global current_branch
1184         upvar $ctvar ct $hdvar hd $mhvar mh
1185
1186         set mh [list]
1187
1188         load_current_branch
1189         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1190                 set hd {}
1191                 set ct initial
1192                 return
1193         }
1194
1195         set merge_head [gitdir MERGE_HEAD]
1196         if {[file exists $merge_head]} {
1197                 set ct merge
1198                 set fd_mh [open $merge_head r]
1199                 while {[gets $fd_mh line] >= 0} {
1200                         lappend mh $line
1201                 }
1202                 close $fd_mh
1203                 return
1204         }
1205
1206         set ct normal
1207 }
1208
1209 proc PARENT {} {
1210         global PARENT empty_tree
1211
1212         set p [lindex $PARENT 0]
1213         if {$p ne {}} {
1214                 return $p
1215         }
1216         if {$empty_tree eq {}} {
1217                 set empty_tree [git mktree << {}]
1218         }
1219         return $empty_tree
1220 }
1221
1222 proc force_amend {} {
1223         global selected_commit_type
1224         global HEAD PARENT MERGE_HEAD commit_type
1225
1226         repository_state newType newHEAD newMERGE_HEAD
1227         set HEAD $newHEAD
1228         set PARENT $newHEAD
1229         set MERGE_HEAD $newMERGE_HEAD
1230         set commit_type $newType
1231
1232         set selected_commit_type amend
1233         do_select_commit_type
1234 }
1235
1236 proc rescan {after {honor_trustmtime 1}} {
1237         global HEAD PARENT MERGE_HEAD commit_type
1238         global ui_index ui_workdir ui_comm
1239         global rescan_active file_states
1240         global repo_config
1241
1242         if {$rescan_active > 0 || ![lock_index read]} return
1243
1244         repository_state newType newHEAD newMERGE_HEAD
1245         if {[string match amend* $commit_type]
1246                 && $newType eq {normal}
1247                 && $newHEAD eq $HEAD} {
1248         } else {
1249                 set HEAD $newHEAD
1250                 set PARENT $newHEAD
1251                 set MERGE_HEAD $newMERGE_HEAD
1252                 set commit_type $newType
1253         }
1254
1255         array unset file_states
1256
1257         if {!$::GITGUI_BCK_exists &&
1258                 (![$ui_comm edit modified]
1259                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1260                 if {[string match amend* $commit_type]} {
1261                 } elseif {[load_message GITGUI_MSG]} {
1262                 } elseif {[run_prepare_commit_msg_hook]} {
1263                 } elseif {[load_message MERGE_MSG]} {
1264                 } elseif {[load_message SQUASH_MSG]} {
1265                 }
1266                 $ui_comm edit reset
1267                 $ui_comm edit modified false
1268         }
1269
1270         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1271                 rescan_stage2 {} $after
1272         } else {
1273                 set rescan_active 1
1274                 ui_status [mc "Refreshing file status..."]
1275                 set fd_rf [git_read update-index \
1276                         -q \
1277                         --unmerged \
1278                         --ignore-missing \
1279                         --refresh \
1280                         ]
1281                 fconfigure $fd_rf -blocking 0 -translation binary
1282                 fileevent $fd_rf readable \
1283                         [list rescan_stage2 $fd_rf $after]
1284         }
1285 }
1286
1287 if {[is_Cygwin]} {
1288         set is_git_info_exclude {}
1289         proc have_info_exclude {} {
1290                 global is_git_info_exclude
1291
1292                 if {$is_git_info_exclude eq {}} {
1293                         if {[catch {exec test -f [gitdir info exclude]}]} {
1294                                 set is_git_info_exclude 0
1295                         } else {
1296                                 set is_git_info_exclude 1
1297                         }
1298                 }
1299                 return $is_git_info_exclude
1300         }
1301 } else {
1302         proc have_info_exclude {} {
1303                 return [file readable [gitdir info exclude]]
1304         }
1305 }
1306
1307 proc rescan_stage2 {fd after} {
1308         global rescan_active buf_rdi buf_rdf buf_rlo
1309
1310         if {$fd ne {}} {
1311                 read $fd
1312                 if {![eof $fd]} return
1313                 close $fd
1314         }
1315
1316         set ls_others [list --exclude-per-directory=.gitignore]
1317         if {[have_info_exclude]} {
1318                 lappend ls_others "--exclude-from=[gitdir info exclude]"
1319         }
1320         set user_exclude [get_config core.excludesfile]
1321         if {$user_exclude ne {} && [file readable $user_exclude]} {
1322                 lappend ls_others "--exclude-from=$user_exclude"
1323         }
1324
1325         set buf_rdi {}
1326         set buf_rdf {}
1327         set buf_rlo {}
1328
1329         set rescan_active 3
1330         ui_status [mc "Scanning for modified files ..."]
1331         set fd_di [git_read diff-index --cached -z [PARENT]]
1332         set fd_df [git_read diff-files -z]
1333         set fd_lo [eval git_read ls-files --others -z $ls_others]
1334
1335         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1336         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1337         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1338         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1339         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1340         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1341 }
1342
1343 proc load_message {file} {
1344         global ui_comm
1345
1346         set f [gitdir $file]
1347         if {[file isfile $f]} {
1348                 if {[catch {set fd [open $f r]}]} {
1349                         return 0
1350                 }
1351                 fconfigure $fd -eofchar {}
1352                 set content [string trim [read $fd]]
1353                 close $fd
1354                 regsub -all -line {[ \r\t]+$} $content {} content
1355                 $ui_comm delete 0.0 end
1356                 $ui_comm insert end $content
1357                 return 1
1358         }
1359         return 0
1360 }
1361
1362 proc run_prepare_commit_msg_hook {} {
1363         global pch_error
1364
1365         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1366         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1367         # empty file but existant file.
1368
1369         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1370
1371         if {[file isfile [gitdir MERGE_MSG]]} {
1372                 set pcm_source "merge"
1373                 set fd_mm [open [gitdir MERGE_MSG] r]
1374                 puts -nonewline $fd_pcm [read $fd_mm]
1375                 close $fd_mm
1376         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1377                 set pcm_source "squash"
1378                 set fd_sm [open [gitdir SQUASH_MSG] r]
1379                 puts -nonewline $fd_pcm [read $fd_sm]
1380                 close $fd_sm
1381         } else {
1382                 set pcm_source ""
1383         }
1384
1385         close $fd_pcm
1386
1387         set fd_ph [githook_read prepare-commit-msg \
1388                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1389         if {$fd_ph eq {}} {
1390                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1391                 return 0;
1392         }
1393
1394         ui_status [mc "Calling prepare-commit-msg hook..."]
1395         set pch_error {}
1396
1397         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1398         fileevent $fd_ph readable \
1399                 [list prepare_commit_msg_hook_wait $fd_ph]
1400
1401         return 1;
1402 }
1403
1404 proc prepare_commit_msg_hook_wait {fd_ph} {
1405         global pch_error
1406
1407         append pch_error [read $fd_ph]
1408         fconfigure $fd_ph -blocking 1
1409         if {[eof $fd_ph]} {
1410                 if {[catch {close $fd_ph}]} {
1411                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1412                         hook_failed_popup prepare-commit-msg $pch_error
1413                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1414                         exit 1
1415                 } else {
1416                         load_message PREPARE_COMMIT_MSG
1417                 }
1418                 set pch_error {}
1419                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1420                 return
1421         }
1422         fconfigure $fd_ph -blocking 0
1423         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1424 }
1425
1426 proc read_diff_index {fd after} {
1427         global buf_rdi
1428
1429         append buf_rdi [read $fd]
1430         set c 0
1431         set n [string length $buf_rdi]
1432         while {$c < $n} {
1433                 set z1 [string first "\0" $buf_rdi $c]
1434                 if {$z1 == -1} break
1435                 incr z1
1436                 set z2 [string first "\0" $buf_rdi $z1]
1437                 if {$z2 == -1} break
1438
1439                 incr c
1440                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1441                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1442                 merge_state \
1443                         [encoding convertfrom $p] \
1444                         [lindex $i 4]? \
1445                         [list [lindex $i 0] [lindex $i 2]] \
1446                         [list]
1447                 set c $z2
1448                 incr c
1449         }
1450         if {$c < $n} {
1451                 set buf_rdi [string range $buf_rdi $c end]
1452         } else {
1453                 set buf_rdi {}
1454         }
1455
1456         rescan_done $fd buf_rdi $after
1457 }
1458
1459 proc read_diff_files {fd after} {
1460         global buf_rdf
1461
1462         append buf_rdf [read $fd]
1463         set c 0
1464         set n [string length $buf_rdf]
1465         while {$c < $n} {
1466                 set z1 [string first "\0" $buf_rdf $c]
1467                 if {$z1 == -1} break
1468                 incr z1
1469                 set z2 [string first "\0" $buf_rdf $z1]
1470                 if {$z2 == -1} break
1471
1472                 incr c
1473                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1474                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1475                 merge_state \
1476                         [encoding convertfrom $p] \
1477                         ?[lindex $i 4] \
1478                         [list] \
1479                         [list [lindex $i 0] [lindex $i 2]]
1480                 set c $z2
1481                 incr c
1482         }
1483         if {$c < $n} {
1484                 set buf_rdf [string range $buf_rdf $c end]
1485         } else {
1486                 set buf_rdf {}
1487         }
1488
1489         rescan_done $fd buf_rdf $after
1490 }
1491
1492 proc read_ls_others {fd after} {
1493         global buf_rlo
1494
1495         append buf_rlo [read $fd]
1496         set pck [split $buf_rlo "\0"]
1497         set buf_rlo [lindex $pck end]
1498         foreach p [lrange $pck 0 end-1] {
1499                 set p [encoding convertfrom $p]
1500                 if {[string index $p end] eq {/}} {
1501                         set p [string range $p 0 end-1]
1502                 }
1503                 merge_state $p ?O
1504         }
1505         rescan_done $fd buf_rlo $after
1506 }
1507
1508 proc rescan_done {fd buf after} {
1509         global rescan_active current_diff_path
1510         global file_states repo_config
1511         upvar $buf to_clear
1512
1513         if {![eof $fd]} return
1514         set to_clear {}
1515         close $fd
1516         if {[incr rescan_active -1] > 0} return
1517
1518         prune_selection
1519         unlock_index
1520         display_all_files
1521         if {$current_diff_path ne {}} { reshow_diff $after }
1522         if {$current_diff_path eq {}} { select_first_diff $after }
1523 }
1524
1525 proc prune_selection {} {
1526         global file_states selected_paths
1527
1528         foreach path [array names selected_paths] {
1529                 if {[catch {set still_here $file_states($path)}]} {
1530                         unset selected_paths($path)
1531                 }
1532         }
1533 }
1534
1535 ######################################################################
1536 ##
1537 ## ui helpers
1538
1539 proc mapicon {w state path} {
1540         global all_icons
1541
1542         if {[catch {set r $all_icons($state$w)}]} {
1543                 puts "error: no icon for $w state={$state} $path"
1544                 return file_plain
1545         }
1546         return $r
1547 }
1548
1549 proc mapdesc {state path} {
1550         global all_descs
1551
1552         if {[catch {set r $all_descs($state)}]} {
1553                 puts "error: no desc for state={$state} $path"
1554                 return $state
1555         }
1556         return $r
1557 }
1558
1559 proc ui_status {msg} {
1560         global main_status
1561         if {[info exists main_status]} {
1562                 $main_status show $msg
1563         }
1564 }
1565
1566 proc ui_ready {{test {}}} {
1567         global main_status
1568         if {[info exists main_status]} {
1569                 $main_status show [mc "Ready."] $test
1570         }
1571 }
1572
1573 proc escape_path {path} {
1574         regsub -all {\\} $path "\\\\" path
1575         regsub -all "\n" $path "\\n" path
1576         return $path
1577 }
1578
1579 proc short_path {path} {
1580         return [escape_path [lindex [file split $path] end]]
1581 }
1582
1583 set next_icon_id 0
1584 set null_sha1 [string repeat 0 40]
1585
1586 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1587         global file_states next_icon_id null_sha1
1588
1589         set s0 [string index $new_state 0]
1590         set s1 [string index $new_state 1]
1591
1592         if {[catch {set info $file_states($path)}]} {
1593                 set state __
1594                 set icon n[incr next_icon_id]
1595         } else {
1596                 set state [lindex $info 0]
1597                 set icon [lindex $info 1]
1598                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1599                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1600         }
1601
1602         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1603         elseif {$s0 eq {_}} {set s0 _}
1604
1605         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1606         elseif {$s1 eq {_}} {set s1 _}
1607
1608         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1609                 set head_info [list 0 $null_sha1]
1610         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1611                 && $head_info eq {}} {
1612                 set head_info $index_info
1613         }
1614
1615         set file_states($path) [list $s0$s1 $icon \
1616                 $head_info $index_info \
1617                 ]
1618         return $state
1619 }
1620
1621 proc display_file_helper {w path icon_name old_m new_m} {
1622         global file_lists
1623
1624         if {$new_m eq {_}} {
1625                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1626                 if {$lno >= 0} {
1627                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1628                         incr lno
1629                         $w conf -state normal
1630                         $w delete $lno.0 [expr {$lno + 1}].0
1631                         $w conf -state disabled
1632                 }
1633         } elseif {$old_m eq {_} && $new_m ne {_}} {
1634                 lappend file_lists($w) $path
1635                 set file_lists($w) [lsort -unique $file_lists($w)]
1636                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1637                 incr lno
1638                 $w conf -state normal
1639                 $w image create $lno.0 \
1640                         -align center -padx 5 -pady 1 \
1641                         -name $icon_name \
1642                         -image [mapicon $w $new_m $path]
1643                 $w insert $lno.1 "[escape_path $path]\n"
1644                 $w conf -state disabled
1645         } elseif {$old_m ne $new_m} {
1646                 $w conf -state normal
1647                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1648                 $w conf -state disabled
1649         }
1650 }
1651
1652 proc display_file {path state} {
1653         global file_states selected_paths
1654         global ui_index ui_workdir
1655
1656         set old_m [merge_state $path $state]
1657         set s $file_states($path)
1658         set new_m [lindex $s 0]
1659         set icon_name [lindex $s 1]
1660
1661         set o [string index $old_m 0]
1662         set n [string index $new_m 0]
1663         if {$o eq {U}} {
1664                 set o _
1665         }
1666         if {$n eq {U}} {
1667                 set n _
1668         }
1669         display_file_helper     $ui_index $path $icon_name $o $n
1670
1671         if {[string index $old_m 0] eq {U}} {
1672                 set o U
1673         } else {
1674                 set o [string index $old_m 1]
1675         }
1676         if {[string index $new_m 0] eq {U}} {
1677                 set n U
1678         } else {
1679                 set n [string index $new_m 1]
1680         }
1681         display_file_helper     $ui_workdir $path $icon_name $o $n
1682
1683         if {$new_m eq {__}} {
1684                 unset file_states($path)
1685                 catch {unset selected_paths($path)}
1686         }
1687 }
1688
1689 proc display_all_files_helper {w path icon_name m} {
1690         global file_lists
1691
1692         lappend file_lists($w) $path
1693         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1694         $w image create end \
1695                 -align center -padx 5 -pady 1 \
1696                 -name $icon_name \
1697                 -image [mapicon $w $m $path]
1698         $w insert end "[escape_path $path]\n"
1699 }
1700
1701 proc display_all_files {} {
1702         global ui_index ui_workdir
1703         global file_states file_lists
1704         global last_clicked
1705
1706         $ui_index conf -state normal
1707         $ui_workdir conf -state normal
1708
1709         $ui_index delete 0.0 end
1710         $ui_workdir delete 0.0 end
1711         set last_clicked {}
1712
1713         set file_lists($ui_index) [list]
1714         set file_lists($ui_workdir) [list]
1715
1716         foreach path [lsort [array names file_states]] {
1717                 set s $file_states($path)
1718                 set m [lindex $s 0]
1719                 set icon_name [lindex $s 1]
1720
1721                 set s [string index $m 0]
1722                 if {$s ne {U} && $s ne {_}} {
1723                         display_all_files_helper $ui_index $path \
1724                                 $icon_name $s
1725                 }
1726
1727                 if {[string index $m 0] eq {U}} {
1728                         set s U
1729                 } else {
1730                         set s [string index $m 1]
1731                 }
1732                 if {$s ne {_}} {
1733                         display_all_files_helper $ui_workdir $path \
1734                                 $icon_name $s
1735                 }
1736         }
1737
1738         $ui_index conf -state disabled
1739         $ui_workdir conf -state disabled
1740 }
1741
1742 ######################################################################
1743 ##
1744 ## icons
1745
1746 set filemask {
1747 #define mask_width 14
1748 #define mask_height 15
1749 static unsigned char mask_bits[] = {
1750    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1751    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1752    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1753 }
1754
1755 image create bitmap file_plain -background white -foreground black -data {
1756 #define plain_width 14
1757 #define plain_height 15
1758 static unsigned char plain_bits[] = {
1759    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1760    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1761    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1762 } -maskdata $filemask
1763
1764 image create bitmap file_mod -background white -foreground blue -data {
1765 #define mod_width 14
1766 #define mod_height 15
1767 static unsigned char mod_bits[] = {
1768    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1769    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1770    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1771 } -maskdata $filemask
1772
1773 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1774 #define file_fulltick_width 14
1775 #define file_fulltick_height 15
1776 static unsigned char file_fulltick_bits[] = {
1777    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1778    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1779    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1780 } -maskdata $filemask
1781
1782 image create bitmap file_parttick -background white -foreground "#005050" -data {
1783 #define parttick_width 14
1784 #define parttick_height 15
1785 static unsigned char parttick_bits[] = {
1786    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1787    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1788    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1789 } -maskdata $filemask
1790
1791 image create bitmap file_question -background white -foreground black -data {
1792 #define file_question_width 14
1793 #define file_question_height 15
1794 static unsigned char file_question_bits[] = {
1795    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1796    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1797    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1798 } -maskdata $filemask
1799
1800 image create bitmap file_removed -background white -foreground red -data {
1801 #define file_removed_width 14
1802 #define file_removed_height 15
1803 static unsigned char file_removed_bits[] = {
1804    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1805    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1806    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1807 } -maskdata $filemask
1808
1809 image create bitmap file_merge -background white -foreground blue -data {
1810 #define file_merge_width 14
1811 #define file_merge_height 15
1812 static unsigned char file_merge_bits[] = {
1813    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1814    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1815    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1816 } -maskdata $filemask
1817
1818 image create bitmap file_statechange -background white -foreground green -data {
1819 #define file_merge_width 14
1820 #define file_merge_height 15
1821 static unsigned char file_statechange_bits[] = {
1822    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1823    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1824    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1825 } -maskdata $filemask
1826
1827 set ui_index .vpane.files.index.list
1828 set ui_workdir .vpane.files.workdir.list
1829
1830 set all_icons(_$ui_index)   file_plain
1831 set all_icons(A$ui_index)   file_fulltick
1832 set all_icons(M$ui_index)   file_fulltick
1833 set all_icons(D$ui_index)   file_removed
1834 set all_icons(U$ui_index)   file_merge
1835 set all_icons(T$ui_index)   file_statechange
1836
1837 set all_icons(_$ui_workdir) file_plain
1838 set all_icons(M$ui_workdir) file_mod
1839 set all_icons(D$ui_workdir) file_question
1840 set all_icons(U$ui_workdir) file_merge
1841 set all_icons(O$ui_workdir) file_plain
1842 set all_icons(T$ui_workdir) file_statechange
1843
1844 set max_status_desc 0
1845 foreach i {
1846                 {__ {mc "Unmodified"}}
1847
1848                 {_M {mc "Modified, not staged"}}
1849                 {M_ {mc "Staged for commit"}}
1850                 {MM {mc "Portions staged for commit"}}
1851                 {MD {mc "Staged for commit, missing"}}
1852
1853                 {_T {mc "File type changed, not staged"}}
1854                 {T_ {mc "File type changed, staged"}}
1855
1856                 {_O {mc "Untracked, not staged"}}
1857                 {A_ {mc "Staged for commit"}}
1858                 {AM {mc "Portions staged for commit"}}
1859                 {AD {mc "Staged for commit, missing"}}
1860
1861                 {_D {mc "Missing"}}
1862                 {D_ {mc "Staged for removal"}}
1863                 {DO {mc "Staged for removal, still present"}}
1864
1865                 {_U {mc "Requires merge resolution"}}
1866                 {U_ {mc "Requires merge resolution"}}
1867                 {UU {mc "Requires merge resolution"}}
1868                 {UM {mc "Requires merge resolution"}}
1869                 {UD {mc "Requires merge resolution"}}
1870                 {UT {mc "Requires merge resolution"}}
1871         } {
1872         set text [eval [lindex $i 1]]
1873         if {$max_status_desc < [string length $text]} {
1874                 set max_status_desc [string length $text]
1875         }
1876         set all_descs([lindex $i 0]) $text
1877 }
1878 unset i
1879
1880 ######################################################################
1881 ##
1882 ## util
1883
1884 proc scrollbar2many {list mode args} {
1885         foreach w $list {eval $w $mode $args}
1886 }
1887
1888 proc many2scrollbar {list mode sb top bottom} {
1889         $sb set $top $bottom
1890         foreach w $list {$w $mode moveto $top}
1891 }
1892
1893 proc incr_font_size {font {amt 1}} {
1894         set sz [font configure $font -size]
1895         incr sz $amt
1896         font configure $font -size $sz
1897         font configure ${font}bold -size $sz
1898         font configure ${font}italic -size $sz
1899 }
1900
1901 ######################################################################
1902 ##
1903 ## ui commands
1904
1905 set starting_gitk_msg [mc "Starting gitk... please wait..."]
1906
1907 proc do_gitk {revs} {
1908         # -- Always start gitk through whatever we were loaded with.  This
1909         #    lets us bypass using shell process on Windows systems.
1910         #
1911         set exe [_which gitk -script]
1912         set cmd [list [info nameofexecutable] $exe]
1913         if {$exe eq {}} {
1914                 error_popup [mc "Couldn't find gitk in PATH"]
1915         } else {
1916                 global env
1917
1918                 if {[info exists env(GIT_DIR)]} {
1919                         set old_GIT_DIR $env(GIT_DIR)
1920                 } else {
1921                         set old_GIT_DIR {}
1922                 }
1923
1924                 set pwd [pwd]
1925                 cd [file dirname [gitdir]]
1926                 set env(GIT_DIR) [file tail [gitdir]]
1927
1928                 eval exec $cmd $revs &
1929
1930                 if {$old_GIT_DIR eq {}} {
1931                         unset env(GIT_DIR)
1932                 } else {
1933                         set env(GIT_DIR) $old_GIT_DIR
1934                 }
1935                 cd $pwd
1936
1937                 ui_status $::starting_gitk_msg
1938                 after 10000 {
1939                         ui_ready $starting_gitk_msg
1940                 }
1941         }
1942 }
1943
1944 proc do_explore {} {
1945         set explorer {}
1946         if {[is_Cygwin] || [is_Windows]} {
1947                 set explorer "explorer.exe"
1948         } elseif {[is_MacOSX]} {
1949                 set explorer "open"
1950         } else {
1951                 # freedesktop.org-conforming system is our best shot
1952                 set explorer "xdg-open"
1953         }
1954         eval exec $explorer [list [file nativename [file dirname [gitdir]]]] &
1955 }
1956
1957 set is_quitting 0
1958 set ret_code    1
1959
1960 proc terminate_me {win} {
1961         global ret_code
1962         if {$win ne {.}} return
1963         exit $ret_code
1964 }
1965
1966 proc do_quit {{rc {1}}} {
1967         global ui_comm is_quitting repo_config commit_type
1968         global GITGUI_BCK_exists GITGUI_BCK_i
1969         global ui_comm_spell
1970         global ret_code
1971
1972         if {$is_quitting} return
1973         set is_quitting 1
1974
1975         if {[winfo exists $ui_comm]} {
1976                 # -- Stash our current commit buffer.
1977                 #
1978                 set save [gitdir GITGUI_MSG]
1979                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1980                         file rename -force [gitdir GITGUI_BCK] $save
1981                         set GITGUI_BCK_exists 0
1982                 } else {
1983                         set msg [string trim [$ui_comm get 0.0 end]]
1984                         regsub -all -line {[ \r\t]+$} $msg {} msg
1985                         if {(![string match amend* $commit_type]
1986                                 || [$ui_comm edit modified])
1987                                 && $msg ne {}} {
1988                                 catch {
1989                                         set fd [open $save w]
1990                                         puts -nonewline $fd $msg
1991                                         close $fd
1992                                 }
1993                         } else {
1994                                 catch {file delete $save}
1995                         }
1996                 }
1997
1998                 # -- Cancel our spellchecker if its running.
1999                 #
2000                 if {[info exists ui_comm_spell]} {
2001                         $ui_comm_spell stop
2002                 }
2003
2004                 # -- Remove our editor backup, its not needed.
2005                 #
2006                 after cancel $GITGUI_BCK_i
2007                 if {$GITGUI_BCK_exists} {
2008                         catch {file delete [gitdir GITGUI_BCK]}
2009                 }
2010
2011                 # -- Stash our current window geometry into this repository.
2012                 #
2013                 set cfg_geometry [list]
2014                 lappend cfg_geometry [wm geometry .]
2015                 lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2016                 lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2017                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2018                         set rc_geometry {}
2019                 }
2020                 if {$cfg_geometry ne $rc_geometry} {
2021                         catch {git config gui.geometry $cfg_geometry}
2022                 }
2023         }
2024
2025         set ret_code $rc
2026         destroy .
2027 }
2028
2029 proc do_rescan {} {
2030         rescan ui_ready
2031 }
2032
2033 proc ui_do_rescan {} {
2034         rescan {force_first_diff ui_ready}
2035 }
2036
2037 proc do_commit {} {
2038         commit_tree
2039 }
2040
2041 proc next_diff {{after {}}} {
2042         global next_diff_p next_diff_w next_diff_i
2043         show_diff $next_diff_p $next_diff_w {} {} $after
2044 }
2045
2046 proc find_anchor_pos {lst name} {
2047         set lid [lsearch -sorted -exact $lst $name]
2048
2049         if {$lid == -1} {
2050                 set lid 0
2051                 foreach lname $lst {
2052                         if {$lname >= $name} break
2053                         incr lid
2054                 }
2055         }
2056
2057         return $lid
2058 }
2059
2060 proc find_file_from {flist idx delta path mmask} {
2061         global file_states
2062
2063         set len [llength $flist]
2064         while {$idx >= 0 && $idx < $len} {
2065                 set name [lindex $flist $idx]
2066
2067                 if {$name ne $path && [info exists file_states($name)]} {
2068                         set state [lindex $file_states($name) 0]
2069
2070                         if {$mmask eq {} || [regexp $mmask $state]} {
2071                                 return $idx
2072                         }
2073                 }
2074
2075                 incr idx $delta
2076         }
2077
2078         return {}
2079 }
2080
2081 proc find_next_diff {w path {lno {}} {mmask {}}} {
2082         global next_diff_p next_diff_w next_diff_i
2083         global file_lists ui_index ui_workdir
2084
2085         set flist $file_lists($w)
2086         if {$lno eq {}} {
2087                 set lno [find_anchor_pos $flist $path]
2088         } else {
2089                 incr lno -1
2090         }
2091
2092         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2093                 if {$w eq $ui_index} {
2094                         set mmask "^$mmask"
2095                 } else {
2096                         set mmask "$mmask\$"
2097                 }
2098         }
2099
2100         set idx [find_file_from $flist $lno 1 $path $mmask]
2101         if {$idx eq {}} {
2102                 incr lno -1
2103                 set idx [find_file_from $flist $lno -1 $path $mmask]
2104         }
2105
2106         if {$idx ne {}} {
2107                 set next_diff_w $w
2108                 set next_diff_p [lindex $flist $idx]
2109                 set next_diff_i [expr {$idx+1}]
2110                 return 1
2111         } else {
2112                 return 0
2113         }
2114 }
2115
2116 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2117         global current_diff_path
2118
2119         if {$path ne $current_diff_path} {
2120                 return {}
2121         } elseif {[find_next_diff $w $path $lno $mmask]} {
2122                 return {next_diff;}
2123         } else {
2124                 return {reshow_diff;}
2125         }
2126 }
2127
2128 proc select_first_diff {after} {
2129         global ui_workdir
2130
2131         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2132             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2133                 next_diff $after
2134         } else {
2135                 uplevel #0 $after
2136         }
2137 }
2138
2139 proc force_first_diff {after} {
2140         global ui_workdir current_diff_path file_states
2141
2142         if {[info exists file_states($current_diff_path)]} {
2143                 set state [lindex $file_states($current_diff_path) 0]
2144         } else {
2145                 set state {OO}
2146         }
2147
2148         set reselect 0
2149         if {[string first {U} $state] >= 0} {
2150                 # Already a conflict, do nothing
2151         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2152                 set reselect 1
2153         } elseif {[string index $state 1] ne {O}} {
2154                 # Already a diff & no conflicts, do nothing
2155         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2156                 set reselect 1
2157         }
2158
2159         if {$reselect} {
2160                 next_diff $after
2161         } else {
2162                 uplevel #0 $after
2163         }
2164 }
2165
2166 proc toggle_or_diff {w x y} {
2167         global file_states file_lists current_diff_path ui_index ui_workdir
2168         global last_clicked selected_paths
2169
2170         set pos [split [$w index @$x,$y] .]
2171         set lno [lindex $pos 0]
2172         set col [lindex $pos 1]
2173         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2174         if {$path eq {}} {
2175                 set last_clicked {}
2176                 return
2177         }
2178
2179         set last_clicked [list $w $lno]
2180         array unset selected_paths
2181         $ui_index tag remove in_sel 0.0 end
2182         $ui_workdir tag remove in_sel 0.0 end
2183
2184         # Determine the state of the file
2185         if {[info exists file_states($path)]} {
2186                 set state [lindex $file_states($path) 0]
2187         } else {
2188                 set state {__}
2189         }
2190
2191         # Restage the file, or simply show the diff
2192         if {$col == 0 && $y > 1} {
2193                 # Conflicts need special handling
2194                 if {[string first {U} $state] >= 0} {
2195                         # $w must always be $ui_workdir, but...
2196                         if {$w ne $ui_workdir} { set lno {} }
2197                         merge_stage_workdir $path $lno
2198                         return
2199                 }
2200
2201                 if {[string index $state 1] eq {O}} {
2202                         set mmask {}
2203                 } else {
2204                         set mmask {[^O]}
2205                 }
2206
2207                 set after [next_diff_after_action $w $path $lno $mmask]
2208
2209                 if {$w eq $ui_index} {
2210                         update_indexinfo \
2211                                 "Unstaging [short_path $path] from commit" \
2212                                 [list $path] \
2213                                 [concat $after [list ui_ready]]
2214                 } elseif {$w eq $ui_workdir} {
2215                         update_index \
2216                                 "Adding [short_path $path]" \
2217                                 [list $path] \
2218                                 [concat $after [list ui_ready]]
2219                 }
2220         } else {
2221                 show_diff $path $w $lno
2222         }
2223 }
2224
2225 proc add_one_to_selection {w x y} {
2226         global file_lists last_clicked selected_paths
2227
2228         set lno [lindex [split [$w index @$x,$y] .] 0]
2229         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2230         if {$path eq {}} {
2231                 set last_clicked {}
2232                 return
2233         }
2234
2235         if {$last_clicked ne {}
2236                 && [lindex $last_clicked 0] ne $w} {
2237                 array unset selected_paths
2238                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2239         }
2240
2241         set last_clicked [list $w $lno]
2242         if {[catch {set in_sel $selected_paths($path)}]} {
2243                 set in_sel 0
2244         }
2245         if {$in_sel} {
2246                 unset selected_paths($path)
2247                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2248         } else {
2249                 set selected_paths($path) 1
2250                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2251         }
2252 }
2253
2254 proc add_range_to_selection {w x y} {
2255         global file_lists last_clicked selected_paths
2256
2257         if {[lindex $last_clicked 0] ne $w} {
2258                 toggle_or_diff $w $x $y
2259                 return
2260         }
2261
2262         set lno [lindex [split [$w index @$x,$y] .] 0]
2263         set lc [lindex $last_clicked 1]
2264         if {$lc < $lno} {
2265                 set begin $lc
2266                 set end $lno
2267         } else {
2268                 set begin $lno
2269                 set end $lc
2270         }
2271
2272         foreach path [lrange $file_lists($w) \
2273                 [expr {$begin - 1}] \
2274                 [expr {$end - 1}]] {
2275                 set selected_paths($path) 1
2276         }
2277         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2278 }
2279
2280 proc show_more_context {} {
2281         global repo_config
2282         if {$repo_config(gui.diffcontext) < 99} {
2283                 incr repo_config(gui.diffcontext)
2284                 reshow_diff
2285         }
2286 }
2287
2288 proc show_less_context {} {
2289         global repo_config
2290         if {$repo_config(gui.diffcontext) > 1} {
2291                 incr repo_config(gui.diffcontext) -1
2292                 reshow_diff
2293         }
2294 }
2295
2296 ######################################################################
2297 ##
2298 ## ui construction
2299
2300 load_config 0
2301 apply_config
2302 set ui_comm {}
2303
2304 # -- Menu Bar
2305 #
2306 menu .mbar -tearoff 0
2307 if {[is_MacOSX]} {
2308         # -- Apple Menu (Mac OS X only)
2309         #
2310         .mbar add cascade -label Apple -menu .mbar.apple
2311         menu .mbar.apple
2312 }
2313 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2314 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2315 if {[is_enabled branch]} {
2316         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2317 }
2318 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2319         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2320 }
2321 if {[is_enabled transport]} {
2322         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2323         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2324 }
2325 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2326         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2327 }
2328
2329 # -- Repository Menu
2330 #
2331 menu .mbar.repository
2332
2333 .mbar.repository add command \
2334         -label [mc "Explore Working Copy"] \
2335         -command {do_explore}
2336 .mbar.repository add separator
2337
2338 .mbar.repository add command \
2339         -label [mc "Browse Current Branch's Files"] \
2340         -command {browser::new $current_branch}
2341 set ui_browse_current [.mbar.repository index last]
2342 .mbar.repository add command \
2343         -label [mc "Browse Branch Files..."] \
2344         -command browser_open::dialog
2345 .mbar.repository add separator
2346
2347 .mbar.repository add command \
2348         -label [mc "Visualize Current Branch's History"] \
2349         -command {do_gitk $current_branch}
2350 set ui_visualize_current [.mbar.repository index last]
2351 .mbar.repository add command \
2352         -label [mc "Visualize All Branch History"] \
2353         -command {do_gitk --all}
2354 .mbar.repository add separator
2355
2356 proc current_branch_write {args} {
2357         global current_branch
2358         .mbar.repository entryconf $::ui_browse_current \
2359                 -label [mc "Browse %s's Files" $current_branch]
2360         .mbar.repository entryconf $::ui_visualize_current \
2361                 -label [mc "Visualize %s's History" $current_branch]
2362 }
2363 trace add variable current_branch write current_branch_write
2364
2365 if {[is_enabled multicommit]} {
2366         .mbar.repository add command -label [mc "Database Statistics"] \
2367                 -command do_stats
2368
2369         .mbar.repository add command -label [mc "Compress Database"] \
2370                 -command do_gc
2371
2372         .mbar.repository add command -label [mc "Verify Database"] \
2373                 -command do_fsck_objects
2374
2375         .mbar.repository add separator
2376
2377         if {[is_Cygwin]} {
2378                 .mbar.repository add command \
2379                         -label [mc "Create Desktop Icon"] \
2380                         -command do_cygwin_shortcut
2381         } elseif {[is_Windows]} {
2382                 .mbar.repository add command \
2383                         -label [mc "Create Desktop Icon"] \
2384                         -command do_windows_shortcut
2385         } elseif {[is_MacOSX]} {
2386                 .mbar.repository add command \
2387                         -label [mc "Create Desktop Icon"] \
2388                         -command do_macosx_app
2389         }
2390 }
2391
2392 if {[is_MacOSX]} {
2393         proc ::tk::mac::Quit {args} { do_quit }
2394 } else {
2395         .mbar.repository add command -label [mc Quit] \
2396                 -command do_quit \
2397                 -accelerator $M1T-Q
2398 }
2399
2400 # -- Edit Menu
2401 #
2402 menu .mbar.edit
2403 .mbar.edit add command -label [mc Undo] \
2404         -command {catch {[focus] edit undo}} \
2405         -accelerator $M1T-Z
2406 .mbar.edit add command -label [mc Redo] \
2407         -command {catch {[focus] edit redo}} \
2408         -accelerator $M1T-Y
2409 .mbar.edit add separator
2410 .mbar.edit add command -label [mc Cut] \
2411         -command {catch {tk_textCut [focus]}} \
2412         -accelerator $M1T-X
2413 .mbar.edit add command -label [mc Copy] \
2414         -command {catch {tk_textCopy [focus]}} \
2415         -accelerator $M1T-C
2416 .mbar.edit add command -label [mc Paste] \
2417         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2418         -accelerator $M1T-V
2419 .mbar.edit add command -label [mc Delete] \
2420         -command {catch {[focus] delete sel.first sel.last}} \
2421         -accelerator Del
2422 .mbar.edit add separator
2423 .mbar.edit add command -label [mc "Select All"] \
2424         -command {catch {[focus] tag add sel 0.0 end}} \
2425         -accelerator $M1T-A
2426
2427 # -- Branch Menu
2428 #
2429 if {[is_enabled branch]} {
2430         menu .mbar.branch
2431
2432         .mbar.branch add command -label [mc "Create..."] \
2433                 -command branch_create::dialog \
2434                 -accelerator $M1T-N
2435         lappend disable_on_lock [list .mbar.branch entryconf \
2436                 [.mbar.branch index last] -state]
2437
2438         .mbar.branch add command -label [mc "Checkout..."] \
2439                 -command branch_checkout::dialog \
2440                 -accelerator $M1T-O
2441         lappend disable_on_lock [list .mbar.branch entryconf \
2442                 [.mbar.branch index last] -state]
2443
2444         .mbar.branch add command -label [mc "Rename..."] \
2445                 -command branch_rename::dialog
2446         lappend disable_on_lock [list .mbar.branch entryconf \
2447                 [.mbar.branch index last] -state]
2448
2449         .mbar.branch add command -label [mc "Delete..."] \
2450                 -command branch_delete::dialog
2451         lappend disable_on_lock [list .mbar.branch entryconf \
2452                 [.mbar.branch index last] -state]
2453
2454         .mbar.branch add command -label [mc "Reset..."] \
2455                 -command merge::reset_hard
2456         lappend disable_on_lock [list .mbar.branch entryconf \
2457                 [.mbar.branch index last] -state]
2458 }
2459
2460 # -- Commit Menu
2461 #
2462 proc commit_btn_caption {} {
2463         if {[is_enabled nocommit]} {
2464                 return [mc "Done"]
2465         } else {
2466                 return [mc Commit@@verb]
2467         }
2468 }
2469
2470 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2471         menu .mbar.commit
2472
2473         if {![is_enabled nocommit]} {
2474                 .mbar.commit add radiobutton \
2475                         -label [mc "New Commit"] \
2476                         -command do_select_commit_type \
2477                         -variable selected_commit_type \
2478                         -value new
2479                 lappend disable_on_lock \
2480                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2481
2482                 .mbar.commit add radiobutton \
2483                         -label [mc "Amend Last Commit"] \
2484                         -command do_select_commit_type \
2485                         -variable selected_commit_type \
2486                         -value amend
2487                 lappend disable_on_lock \
2488                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2489
2490                 .mbar.commit add separator
2491         }
2492
2493         .mbar.commit add command -label [mc Rescan] \
2494                 -command ui_do_rescan \
2495                 -accelerator F5
2496         lappend disable_on_lock \
2497                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2498
2499         .mbar.commit add command -label [mc "Stage To Commit"] \
2500                 -command do_add_selection \
2501                 -accelerator $M1T-T
2502         lappend disable_on_lock \
2503                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2504
2505         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2506                 -command do_add_all \
2507                 -accelerator $M1T-I
2508         lappend disable_on_lock \
2509                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2510
2511         .mbar.commit add command -label [mc "Unstage From Commit"] \
2512                 -command do_unstage_selection
2513         lappend disable_on_lock \
2514                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2515
2516         .mbar.commit add command -label [mc "Revert Changes"] \
2517                 -command do_revert_selection
2518         lappend disable_on_lock \
2519                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2520
2521         .mbar.commit add separator
2522
2523         .mbar.commit add command -label [mc "Show Less Context"] \
2524                 -command show_less_context \
2525                 -accelerator $M1T-\-
2526
2527         .mbar.commit add command -label [mc "Show More Context"] \
2528                 -command show_more_context \
2529                 -accelerator $M1T-=
2530
2531         .mbar.commit add separator
2532
2533         if {![is_enabled nocommitmsg]} {
2534                 .mbar.commit add command -label [mc "Sign Off"] \
2535                         -command do_signoff \
2536                         -accelerator $M1T-S
2537         }
2538
2539         .mbar.commit add command -label [commit_btn_caption] \
2540                 -command do_commit \
2541                 -accelerator $M1T-Return
2542         lappend disable_on_lock \
2543                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2544 }
2545
2546 # -- Merge Menu
2547 #
2548 if {[is_enabled branch]} {
2549         menu .mbar.merge
2550         .mbar.merge add command -label [mc "Local Merge..."] \
2551                 -command merge::dialog \
2552                 -accelerator $M1T-M
2553         lappend disable_on_lock \
2554                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2555         .mbar.merge add command -label [mc "Abort Merge..."] \
2556                 -command merge::reset_hard
2557         lappend disable_on_lock \
2558                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2559 }
2560
2561 # -- Transport Menu
2562 #
2563 if {[is_enabled transport]} {
2564         menu .mbar.remote
2565
2566         .mbar.remote add command \
2567                 -label [mc "Add..."] \
2568                 -command remote_add::dialog \
2569                 -accelerator $M1T-A
2570         .mbar.remote add command \
2571                 -label [mc "Push..."] \
2572                 -command do_push_anywhere \
2573                 -accelerator $M1T-P
2574         .mbar.remote add command \
2575                 -label [mc "Delete Branch..."] \
2576                 -command remote_branch_delete::dialog
2577 }
2578
2579 if {[is_MacOSX]} {
2580         proc ::tk::mac::ShowPreferences {} {do_options}
2581 } else {
2582         # -- Edit Menu
2583         #
2584         .mbar.edit add separator
2585         .mbar.edit add command -label [mc "Options..."] \
2586                 -command do_options
2587 }
2588
2589 # -- Tools Menu
2590 #
2591 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2592         set tools_menubar .mbar.tools
2593         menu $tools_menubar
2594         $tools_menubar add separator
2595         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2596         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2597         set tools_tailcnt 3
2598         if {[array names repo_config guitool.*.cmd] ne {}} {
2599                 tools_populate_all
2600         }
2601 }
2602
2603 # -- Help Menu
2604 #
2605 .mbar add cascade -label [mc Help] -menu .mbar.help
2606 menu .mbar.help
2607
2608 if {[is_MacOSX]} {
2609         .mbar.apple add command -label [mc "About %s" [appname]] \
2610                 -command do_about
2611         .mbar.apple add separator
2612 } else {
2613         .mbar.help add command -label [mc "About %s" [appname]] \
2614                 -command do_about
2615 }
2616 . configure -menu .mbar
2617
2618 set doc_path [githtmldir]
2619 if {$doc_path ne {}} {
2620         set doc_path [file join $doc_path index.html]
2621
2622         if {[is_Cygwin]} {
2623                 set doc_path [exec cygpath --mixed $doc_path]
2624         }
2625 }
2626
2627 if {[file isfile $doc_path]} {
2628         set doc_url "file:$doc_path"
2629 } else {
2630         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2631 }
2632
2633 proc start_browser {url} {
2634         git "web--browse" $url
2635 }
2636
2637 .mbar.help add command -label [mc "Online Documentation"] \
2638         -command [list start_browser $doc_url]
2639
2640 .mbar.help add command -label [mc "Show SSH Key"] \
2641         -command do_ssh_key
2642
2643 unset doc_path doc_url
2644
2645 # -- Standard bindings
2646 #
2647 wm protocol . WM_DELETE_WINDOW do_quit
2648 bind all <$M1B-Key-q> do_quit
2649 bind all <$M1B-Key-Q> do_quit
2650 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2651 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2652
2653 set subcommand_args {}
2654 proc usage {} {
2655         puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2656         exit 1
2657 }
2658
2659 proc normalize_relpath {path} {
2660         set elements {}
2661         foreach item [file split $path] {
2662                 if {$item eq {.}} continue
2663                 if {$item eq {..} && [llength $elements] > 0
2664                     && [lindex $elements end] ne {..}} {
2665                         set elements [lrange $elements 0 end-1]
2666                         continue
2667                 }
2668                 lappend elements $item
2669         }
2670         return [eval file join $elements]
2671 }
2672
2673 # -- Not a normal commit type invocation?  Do that instead!
2674 #
2675 switch -- $subcommand {
2676 browser -
2677 blame {
2678         if {$subcommand eq "blame"} {
2679                 set subcommand_args {[--line=<num>] rev? path}
2680         } else {
2681                 set subcommand_args {rev? path}
2682         }
2683         if {$argv eq {}} usage
2684         set head {}
2685         set path {}
2686         set jump_spec {}
2687         set is_path 0
2688         foreach a $argv {
2689                 if {$is_path || [file exists $_prefix$a]} {
2690                         if {$path ne {}} usage
2691                         set path [normalize_relpath $_prefix$a]
2692                         break
2693                 } elseif {$a eq {--}} {
2694                         if {$path ne {}} {
2695                                 if {$head ne {}} usage
2696                                 set head $path
2697                                 set path {}
2698                         }
2699                         set is_path 1
2700                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2701                         if {$jump_spec ne {} || $head ne {}} usage
2702                         set jump_spec [list $lnum]
2703                 } elseif {$head eq {}} {
2704                         if {$head ne {}} usage
2705                         set head $a
2706                         set is_path 1
2707                 } else {
2708                         usage
2709                 }
2710         }
2711         unset is_path
2712
2713         if {$head ne {} && $path eq {}} {
2714                 set path [normalize_relpath $_prefix$head]
2715                 set head {}
2716         }
2717
2718         if {$head eq {}} {
2719                 load_current_branch
2720         } else {
2721                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2722                         if {[catch {
2723                                         set head [git rev-parse --verify $head]
2724                                 } err]} {
2725                                 puts stderr $err
2726                                 exit 1
2727                         }
2728                 }
2729                 set current_branch $head
2730         }
2731
2732         switch -- $subcommand {
2733         browser {
2734                 if {$jump_spec ne {}} usage
2735                 if {$head eq {}} {
2736                         if {$path ne {} && [file isdirectory $path]} {
2737                                 set head $current_branch
2738                         } else {
2739                                 set head $path
2740                                 set path {}
2741                         }
2742                 }
2743                 browser::new $head $path
2744         }
2745         blame   {
2746                 if {$head eq {} && ![file exists $path]} {
2747                         puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2748                         exit 1
2749                 }
2750                 blame::new $head $path $jump_spec
2751         }
2752         }
2753         return
2754 }
2755 citool -
2756 gui {
2757         if {[llength $argv] != 0} {
2758                 puts -nonewline stderr "usage: $argv0"
2759                 if {$subcommand ne {gui}
2760                         && [file tail $argv0] ne "git-$subcommand"} {
2761                         puts -nonewline stderr " $subcommand"
2762                 }
2763                 puts stderr {}
2764                 exit 1
2765         }
2766         # fall through to setup UI for commits
2767 }
2768 default {
2769         puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2770         exit 1
2771 }
2772 }
2773
2774 # -- Branch Control
2775 #
2776 frame .branch \
2777         -borderwidth 1 \
2778         -relief sunken
2779 label .branch.l1 \
2780         -text [mc "Current Branch:"] \
2781         -anchor w \
2782         -justify left
2783 label .branch.cb \
2784         -textvariable current_branch \
2785         -anchor w \
2786         -justify left
2787 pack .branch.l1 -side left
2788 pack .branch.cb -side left -fill x
2789 pack .branch -side top -fill x
2790
2791 # -- Main Window Layout
2792 #
2793 panedwindow .vpane -orient horizontal
2794 panedwindow .vpane.files -orient vertical
2795 .vpane add .vpane.files -sticky nsew -height 100 -width 200
2796 pack .vpane -anchor n -side top -fill both -expand 1
2797
2798 # -- Index File List
2799 #
2800 frame .vpane.files.index -height 100 -width 200
2801 label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2802         -background lightgreen -foreground black
2803 text $ui_index -background white -foreground black \
2804         -borderwidth 0 \
2805         -width 20 -height 10 \
2806         -wrap none \
2807         -cursor $cursor_ptr \
2808         -xscrollcommand {.vpane.files.index.sx set} \
2809         -yscrollcommand {.vpane.files.index.sy set} \
2810         -state disabled
2811 scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2812 scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2813 pack .vpane.files.index.title -side top -fill x
2814 pack .vpane.files.index.sx -side bottom -fill x
2815 pack .vpane.files.index.sy -side right -fill y
2816 pack $ui_index -side left -fill both -expand 1
2817
2818 # -- Working Directory File List
2819 #
2820 frame .vpane.files.workdir -height 100 -width 200
2821 label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2822         -background lightsalmon -foreground black
2823 text $ui_workdir -background white -foreground black \
2824         -borderwidth 0 \
2825         -width 20 -height 10 \
2826         -wrap none \
2827         -cursor $cursor_ptr \
2828         -xscrollcommand {.vpane.files.workdir.sx set} \
2829         -yscrollcommand {.vpane.files.workdir.sy set} \
2830         -state disabled
2831 scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2832 scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2833 pack .vpane.files.workdir.title -side top -fill x
2834 pack .vpane.files.workdir.sx -side bottom -fill x
2835 pack .vpane.files.workdir.sy -side right -fill y
2836 pack $ui_workdir -side left -fill both -expand 1
2837
2838 .vpane.files add .vpane.files.workdir -sticky nsew
2839 .vpane.files add .vpane.files.index -sticky nsew
2840
2841 foreach i [list $ui_index $ui_workdir] {
2842         rmsel_tag $i
2843         $i tag conf in_diff -background [$i tag cget in_sel -background]
2844 }
2845 unset i
2846
2847 # -- Diff and Commit Area
2848 #
2849 frame .vpane.lower -height 300 -width 400
2850 frame .vpane.lower.commarea
2851 frame .vpane.lower.diff -relief sunken -borderwidth 1
2852 pack .vpane.lower.diff -fill both -expand 1
2853 pack .vpane.lower.commarea -side bottom -fill x
2854 .vpane add .vpane.lower -sticky nsew
2855
2856 # -- Commit Area Buttons
2857 #
2858 frame .vpane.lower.commarea.buttons
2859 label .vpane.lower.commarea.buttons.l -text {} \
2860         -anchor w \
2861         -justify left
2862 pack .vpane.lower.commarea.buttons.l -side top -fill x
2863 pack .vpane.lower.commarea.buttons -side left -fill y
2864
2865 button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2866         -command ui_do_rescan
2867 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2868 lappend disable_on_lock \
2869         {.vpane.lower.commarea.buttons.rescan conf -state}
2870
2871 button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2872         -command do_add_all
2873 pack .vpane.lower.commarea.buttons.incall -side top -fill x
2874 lappend disable_on_lock \
2875         {.vpane.lower.commarea.buttons.incall conf -state}
2876
2877 if {![is_enabled nocommitmsg]} {
2878         button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2879                 -command do_signoff
2880         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2881 }
2882
2883 button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2884         -command do_commit
2885 pack .vpane.lower.commarea.buttons.commit -side top -fill x
2886 lappend disable_on_lock \
2887         {.vpane.lower.commarea.buttons.commit conf -state}
2888
2889 if {![is_enabled nocommit]} {
2890         button .vpane.lower.commarea.buttons.push -text [mc Push] \
2891                 -command do_push_anywhere
2892         pack .vpane.lower.commarea.buttons.push -side top -fill x
2893 }
2894
2895 # -- Commit Message Buffer
2896 #
2897 frame .vpane.lower.commarea.buffer
2898 frame .vpane.lower.commarea.buffer.header
2899 set ui_comm .vpane.lower.commarea.buffer.t
2900 set ui_coml .vpane.lower.commarea.buffer.header.l
2901
2902 if {![is_enabled nocommit]} {
2903         radiobutton .vpane.lower.commarea.buffer.header.new \
2904                 -text [mc "New Commit"] \
2905                 -command do_select_commit_type \
2906                 -variable selected_commit_type \
2907                 -value new
2908         lappend disable_on_lock \
2909                 [list .vpane.lower.commarea.buffer.header.new conf -state]
2910         radiobutton .vpane.lower.commarea.buffer.header.amend \
2911                 -text [mc "Amend Last Commit"] \
2912                 -command do_select_commit_type \
2913                 -variable selected_commit_type \
2914                 -value amend
2915         lappend disable_on_lock \
2916                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
2917 }
2918
2919 label $ui_coml \
2920         -anchor w \
2921         -justify left
2922 proc trace_commit_type {varname args} {
2923         global ui_coml commit_type
2924         switch -glob -- $commit_type {
2925         initial       {set txt [mc "Initial Commit Message:"]}
2926         amend         {set txt [mc "Amended Commit Message:"]}
2927         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2928         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2929         merge         {set txt [mc "Merge Commit Message:"]}
2930         *             {set txt [mc "Commit Message:"]}
2931         }
2932         $ui_coml conf -text $txt
2933 }
2934 trace add variable commit_type write trace_commit_type
2935 pack $ui_coml -side left -fill x
2936
2937 if {![is_enabled nocommit]} {
2938         pack .vpane.lower.commarea.buffer.header.amend -side right
2939         pack .vpane.lower.commarea.buffer.header.new -side right
2940 }
2941
2942 text $ui_comm -background white -foreground black \
2943         -borderwidth 1 \
2944         -undo true \
2945         -maxundo 20 \
2946         -autoseparators true \
2947         -relief sunken \
2948         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2949         -font font_diff \
2950         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2951 scrollbar .vpane.lower.commarea.buffer.sby \
2952         -command [list $ui_comm yview]
2953 pack .vpane.lower.commarea.buffer.header -side top -fill x
2954 pack .vpane.lower.commarea.buffer.sby -side right -fill y
2955 pack $ui_comm -side left -fill y
2956 pack .vpane.lower.commarea.buffer -side left -fill y
2957
2958 # -- Commit Message Buffer Context Menu
2959 #
2960 set ctxm .vpane.lower.commarea.buffer.ctxm
2961 menu $ctxm -tearoff 0
2962 $ctxm add command \
2963         -label [mc Cut] \
2964         -command {tk_textCut $ui_comm}
2965 $ctxm add command \
2966         -label [mc Copy] \
2967         -command {tk_textCopy $ui_comm}
2968 $ctxm add command \
2969         -label [mc Paste] \
2970         -command {tk_textPaste $ui_comm}
2971 $ctxm add command \
2972         -label [mc Delete] \
2973         -command {catch {$ui_comm delete sel.first sel.last}}
2974 $ctxm add separator
2975 $ctxm add command \
2976         -label [mc "Select All"] \
2977         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2978 $ctxm add command \
2979         -label [mc "Copy All"] \
2980         -command {
2981                 $ui_comm tag add sel 0.0 end
2982                 tk_textCopy $ui_comm
2983                 $ui_comm tag remove sel 0.0 end
2984         }
2985 $ctxm add separator
2986 $ctxm add command \
2987         -label [mc "Sign Off"] \
2988         -command do_signoff
2989 set ui_comm_ctxm $ctxm
2990
2991 # -- Diff Header
2992 #
2993 proc trace_current_diff_path {varname args} {
2994         global current_diff_path diff_actions file_states
2995         if {$current_diff_path eq {}} {
2996                 set s {}
2997                 set f {}
2998                 set p {}
2999                 set o disabled
3000         } else {
3001                 set p $current_diff_path
3002                 set s [mapdesc [lindex $file_states($p) 0] $p]
3003                 set f [mc "File:"]
3004                 set p [escape_path $p]
3005                 set o normal
3006         }
3007
3008         .vpane.lower.diff.header.status configure -text $s
3009         .vpane.lower.diff.header.file configure -text $f
3010         .vpane.lower.diff.header.path configure -text $p
3011         foreach w $diff_actions {
3012                 uplevel #0 $w $o
3013         }
3014 }
3015 trace add variable current_diff_path write trace_current_diff_path
3016
3017 frame .vpane.lower.diff.header -background gold
3018 label .vpane.lower.diff.header.status \
3019         -background gold \
3020         -foreground black \
3021         -width $max_status_desc \
3022         -anchor w \
3023         -justify left
3024 label .vpane.lower.diff.header.file \
3025         -background gold \
3026         -foreground black \
3027         -anchor w \
3028         -justify left
3029 label .vpane.lower.diff.header.path \
3030         -background gold \
3031         -foreground black \
3032         -anchor w \
3033         -justify left
3034 pack .vpane.lower.diff.header.status -side left
3035 pack .vpane.lower.diff.header.file -side left
3036 pack .vpane.lower.diff.header.path -fill x
3037 set ctxm .vpane.lower.diff.header.ctxm
3038 menu $ctxm -tearoff 0
3039 $ctxm add command \
3040         -label [mc Copy] \
3041         -command {
3042                 clipboard clear
3043                 clipboard append \
3044                         -format STRING \
3045                         -type STRING \
3046                         -- $current_diff_path
3047         }
3048 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3049 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3050
3051 # -- Diff Body
3052 #
3053 frame .vpane.lower.diff.body
3054 set ui_diff .vpane.lower.diff.body.t
3055 text $ui_diff -background white -foreground black \
3056         -borderwidth 0 \
3057         -width 80 -height 15 -wrap none \
3058         -font font_diff \
3059         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3060         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3061         -state disabled
3062 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3063         -command [list $ui_diff xview]
3064 scrollbar .vpane.lower.diff.body.sby -orient vertical \
3065         -command [list $ui_diff yview]
3066 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3067 pack .vpane.lower.diff.body.sby -side right -fill y
3068 pack $ui_diff -side left -fill both -expand 1
3069 pack .vpane.lower.diff.header -side top -fill x
3070 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3071
3072 $ui_diff tag conf d_cr -elide true
3073 $ui_diff tag conf d_@ -foreground blue -font font_diffbold
3074 $ui_diff tag conf d_+ -foreground {#00a000}
3075 $ui_diff tag conf d_- -foreground red
3076
3077 $ui_diff tag conf d_++ -foreground {#00a000}
3078 $ui_diff tag conf d_-- -foreground red
3079 $ui_diff tag conf d_+s \
3080         -foreground {#00a000} \
3081         -background {#e2effa}
3082 $ui_diff tag conf d_-s \
3083         -foreground red \
3084         -background {#e2effa}
3085 $ui_diff tag conf d_s+ \
3086         -foreground {#00a000} \
3087         -background ivory1
3088 $ui_diff tag conf d_s- \
3089         -foreground red \
3090         -background ivory1
3091
3092 $ui_diff tag conf d<<<<<<< \
3093         -foreground orange \
3094         -font font_diffbold
3095 $ui_diff tag conf d======= \
3096         -foreground orange \
3097         -font font_diffbold
3098 $ui_diff tag conf d>>>>>>> \
3099         -foreground orange \
3100         -font font_diffbold
3101
3102 $ui_diff tag raise sel
3103
3104 # -- Diff Body Context Menu
3105 #
3106
3107 proc create_common_diff_popup {ctxm} {
3108         $ctxm add command \
3109                 -label [mc "Show Less Context"] \
3110                 -command show_less_context
3111         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3112         $ctxm add command \
3113                 -label [mc "Show More Context"] \
3114                 -command show_more_context
3115         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3116         $ctxm add separator
3117         $ctxm add command \
3118                 -label [mc Refresh] \
3119                 -command reshow_diff
3120         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3121         $ctxm add command \
3122                 -label [mc Copy] \
3123                 -command {tk_textCopy $ui_diff}
3124         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3125         $ctxm add command \
3126                 -label [mc "Select All"] \
3127                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3128         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3129         $ctxm add command \
3130                 -label [mc "Copy All"] \
3131                 -command {
3132                         $ui_diff tag add sel 0.0 end
3133                         tk_textCopy $ui_diff
3134                         $ui_diff tag remove sel 0.0 end
3135                 }
3136         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3137         $ctxm add separator
3138         $ctxm add command \
3139                 -label [mc "Decrease Font Size"] \
3140                 -command {incr_font_size font_diff -1}
3141         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3142         $ctxm add command \
3143                 -label [mc "Increase Font Size"] \
3144                 -command {incr_font_size font_diff 1}
3145         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3146         $ctxm add separator
3147         set emenu $ctxm.enc
3148         menu $emenu
3149         build_encoding_menu $emenu [list force_diff_encoding]
3150         $ctxm add cascade \
3151                 -label [mc "Encoding"] \
3152                 -menu $emenu
3153         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3154         $ctxm add separator
3155         $ctxm add command -label [mc "Options..."] \
3156                 -command do_options
3157 }
3158
3159 set ctxm .vpane.lower.diff.body.ctxm
3160 menu $ctxm -tearoff 0
3161 $ctxm add command \
3162         -label [mc "Apply/Reverse Hunk"] \
3163         -command {apply_hunk $cursorX $cursorY}
3164 set ui_diff_applyhunk [$ctxm index last]
3165 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3166 $ctxm add command \
3167         -label [mc "Apply/Reverse Line"] \
3168         -command {apply_line $cursorX $cursorY; do_rescan}
3169 set ui_diff_applyline [$ctxm index last]
3170 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3171 $ctxm add separator
3172 create_common_diff_popup $ctxm
3173
3174 set ctxmmg .vpane.lower.diff.body.ctxmmg
3175 menu $ctxmmg -tearoff 0
3176 $ctxmmg add command \
3177         -label [mc "Run Merge Tool"] \
3178         -command {merge_resolve_tool}
3179 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3180 $ctxmmg add separator
3181 $ctxmmg add command \
3182         -label [mc "Use Remote Version"] \
3183         -command {merge_resolve_one 3}
3184 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3185 $ctxmmg add command \
3186         -label [mc "Use Local Version"] \
3187         -command {merge_resolve_one 2}
3188 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3189 $ctxmmg add command \
3190         -label [mc "Revert To Base"] \
3191         -command {merge_resolve_one 1}
3192 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3193 $ctxmmg add separator
3194 create_common_diff_popup $ctxmmg
3195
3196 proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3197         global current_diff_path file_states
3198         set ::cursorX $x
3199         set ::cursorY $y
3200         if {[info exists file_states($current_diff_path)]} {
3201                 set state [lindex $file_states($current_diff_path) 0]
3202         } else {
3203                 set state {__}
3204         }
3205         if {[string first {U} $state] >= 0} {
3206                 tk_popup $ctxmmg $X $Y
3207         } else {
3208                 if {$::ui_index eq $::current_diff_side} {
3209                         set l [mc "Unstage Hunk From Commit"]
3210                         set t [mc "Unstage Line From Commit"]
3211                 } else {
3212                         set l [mc "Stage Hunk For Commit"]
3213                         set t [mc "Stage Line For Commit"]
3214                 }
3215                 if {$::is_3way_diff
3216                         || $current_diff_path eq {}
3217                         || {__} eq $state
3218                         || {_O} eq $state
3219                         || {_T} eq $state
3220                         || {T_} eq $state} {
3221                         set s disabled
3222                 } else {
3223                         set s normal
3224                 }
3225                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3226                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3227                 tk_popup $ctxm $X $Y
3228         }
3229 }
3230 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3231
3232 # -- Status Bar
3233 #
3234 set main_status [::status_bar::new .status]
3235 pack .status -anchor w -side bottom -fill x
3236 $main_status show [mc "Initializing..."]
3237
3238 # -- Load geometry
3239 #
3240 catch {
3241 set gm $repo_config(gui.geometry)
3242 wm geometry . [lindex $gm 0]
3243 .vpane sash place 0 \
3244         [lindex $gm 1] \
3245         [lindex [.vpane sash coord 0] 1]
3246 .vpane.files sash place 0 \
3247         [lindex [.vpane.files sash coord 0] 0] \
3248         [lindex $gm 2]
3249 unset gm
3250 }
3251
3252 # -- Key Bindings
3253 #
3254 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3255 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3256 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3257 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3258 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3259 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3260 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3261 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3262 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3263 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3264 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3265 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3266 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3267 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3268 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3269 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3270 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3271 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3272
3273 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3274 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3275 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3276 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3277 bind $ui_diff <$M1B-Key-v> {break}
3278 bind $ui_diff <$M1B-Key-V> {break}
3279 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3280 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3281 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3282 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3283 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3284 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3285 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3286 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3287 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3288 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3289 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3290 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3291 bind $ui_diff <Button-1>   {focus %W}
3292
3293 if {[is_enabled branch]} {
3294         bind . <$M1B-Key-n> branch_create::dialog
3295         bind . <$M1B-Key-N> branch_create::dialog
3296         bind . <$M1B-Key-o> branch_checkout::dialog
3297         bind . <$M1B-Key-O> branch_checkout::dialog
3298         bind . <$M1B-Key-m> merge::dialog
3299         bind . <$M1B-Key-M> merge::dialog
3300 }
3301 if {[is_enabled transport]} {
3302         bind . <$M1B-Key-p> do_push_anywhere
3303         bind . <$M1B-Key-P> do_push_anywhere
3304 }
3305
3306 bind .   <Key-F5>     ui_do_rescan
3307 bind .   <$M1B-Key-r> ui_do_rescan
3308 bind .   <$M1B-Key-R> ui_do_rescan
3309 bind .   <$M1B-Key-s> do_signoff
3310 bind .   <$M1B-Key-S> do_signoff
3311 bind .   <$M1B-Key-t> do_add_selection
3312 bind .   <$M1B-Key-T> do_add_selection
3313 bind .   <$M1B-Key-i> do_add_all
3314 bind .   <$M1B-Key-I> do_add_all
3315 bind .   <$M1B-Key-minus> {show_less_context;break}
3316 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3317 bind .   <$M1B-Key-equal> {show_more_context;break}
3318 bind .   <$M1B-Key-plus> {show_more_context;break}
3319 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3320 bind .   <$M1B-Key-Return> do_commit
3321 foreach i [list $ui_index $ui_workdir] {
3322         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3323         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3324         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3325 }
3326 unset i
3327
3328 set file_lists($ui_index) [list]
3329 set file_lists($ui_workdir) [list]
3330
3331 wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3332 focus -force $ui_comm
3333
3334 # -- Warn the user about environmental problems.  Cygwin's Tcl
3335 #    does *not* pass its env array onto any processes it spawns.
3336 #    This means that git processes get none of our environment.
3337 #
3338 if {[is_Cygwin]} {
3339         set ignored_env 0
3340         set suggest_user {}
3341         set msg [mc "Possible environment issues exist.
3342
3343 The following environment variables are probably
3344 going to be ignored by any Git subprocess run
3345 by %s:
3346
3347 " [appname]]
3348         foreach name [array names env] {
3349                 switch -regexp -- $name {
3350                 {^GIT_INDEX_FILE$} -
3351                 {^GIT_OBJECT_DIRECTORY$} -
3352                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3353                 {^GIT_DIFF_OPTS$} -
3354                 {^GIT_EXTERNAL_DIFF$} -
3355                 {^GIT_PAGER$} -
3356                 {^GIT_TRACE$} -
3357                 {^GIT_CONFIG$} -
3358                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3359                         append msg " - $name\n"
3360                         incr ignored_env
3361                 }
3362                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3363                         append msg " - $name\n"
3364                         incr ignored_env
3365                         set suggest_user $name
3366                 }
3367                 }
3368         }
3369         if {$ignored_env > 0} {
3370                 append msg [mc "
3371 This is due to a known issue with the
3372 Tcl binary distributed by Cygwin."]
3373
3374                 if {$suggest_user ne {}} {
3375                         append msg [mc "
3376
3377 A good replacement for %s
3378 is placing values for the user.name and
3379 user.email settings into your personal
3380 ~/.gitconfig file.
3381 " $suggest_user]
3382                 }
3383                 warn_popup $msg
3384         }
3385         unset ignored_env msg suggest_user name
3386 }
3387
3388 # -- Only initialize complex UI if we are going to stay running.
3389 #
3390 if {[is_enabled transport]} {
3391         load_all_remotes
3392
3393         set n [.mbar.remote index end]
3394         populate_remotes_menu
3395         set n [expr {[.mbar.remote index end] - $n}]
3396         if {$n > 0} {
3397                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3398                 .mbar.remote insert $n separator
3399         }
3400         unset n
3401 }
3402
3403 if {[winfo exists $ui_comm]} {
3404         set GITGUI_BCK_exists [load_message GITGUI_BCK]
3405
3406         # -- If both our backup and message files exist use the
3407         #    newer of the two files to initialize the buffer.
3408         #
3409         if {$GITGUI_BCK_exists} {
3410                 set m [gitdir GITGUI_MSG]
3411                 if {[file isfile $m]} {
3412                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3413                                 catch {file delete [gitdir GITGUI_MSG]}
3414                         } else {
3415                                 $ui_comm delete 0.0 end
3416                                 $ui_comm edit reset
3417                                 $ui_comm edit modified false
3418                                 catch {file delete [gitdir GITGUI_BCK]}
3419                                 set GITGUI_BCK_exists 0
3420                         }
3421                 }
3422                 unset m
3423         }
3424
3425         proc backup_commit_buffer {} {
3426                 global ui_comm GITGUI_BCK_exists
3427
3428                 set m [$ui_comm edit modified]
3429                 if {$m || $GITGUI_BCK_exists} {
3430                         set msg [string trim [$ui_comm get 0.0 end]]
3431                         regsub -all -line {[ \r\t]+$} $msg {} msg
3432
3433                         if {$msg eq {}} {
3434                                 if {$GITGUI_BCK_exists} {
3435                                         catch {file delete [gitdir GITGUI_BCK]}
3436                                         set GITGUI_BCK_exists 0
3437                                 }
3438                         } elseif {$m} {
3439                                 catch {
3440                                         set fd [open [gitdir GITGUI_BCK] w]
3441                                         puts -nonewline $fd $msg
3442                                         close $fd
3443                                         set GITGUI_BCK_exists 1
3444                                 }
3445                         }
3446
3447                         $ui_comm edit modified false
3448                 }
3449
3450                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3451         }
3452
3453         backup_commit_buffer
3454
3455         # -- If the user has aspell available we can drive it
3456         #    in pipe mode to spellcheck the commit message.
3457         #
3458         set spell_cmd [list |]
3459         set spell_dict [get_config gui.spellingdictionary]
3460         lappend spell_cmd aspell
3461         if {$spell_dict ne {}} {
3462                 lappend spell_cmd --master=$spell_dict
3463         }
3464         lappend spell_cmd --mode=none
3465         lappend spell_cmd --encoding=utf-8
3466         lappend spell_cmd pipe
3467         if {$spell_dict eq {none}
3468          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3469                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3470         } else {
3471                 set ui_comm_spell [spellcheck::init \
3472                         $spell_fd \
3473                         $ui_comm \
3474                         $ui_comm_ctxm \
3475                 ]
3476         }
3477         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3478 }
3479
3480 lock_index begin-read
3481 if {![winfo ismapped .]} {
3482         wm deiconify .
3483 }
3484 after 1 {
3485         if {[is_enabled initialamend]} {
3486                 force_amend
3487         } else {
3488                 do_rescan
3489         }
3490
3491         if {[is_enabled nocommitmsg]} {
3492                 $ui_comm configure -state disabled -background gray
3493         }
3494 }
3495 if {[is_enabled multicommit]} {
3496         after 1000 hint_gc
3497 }
3498 if {[is_enabled retcode]} {
3499         bind . <Destroy> {+terminate_me %W}
3500 }
3501 if {$picked && [is_config_true gui.autoexplore]} {
3502         do_explore
3503 }