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