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 sq {value} {
 525         regsub -all ' $value "'\\''" value
 526         return "'$value'"
 527 }
 528
 529 proc load_current_branch {} {
 530         global current_branch is_detached
 531
 532         set fd [open [gitdir HEAD] r]
 533         if {[gets $fd ref] < 1} {
 534                 set ref {}
 535         }
 536         close $fd
 537
 538         set pfx {ref: refs/heads/}
 539         set len [string length $pfx]
 540         if {[string equal -length $len $pfx $ref]} {
 541                 # We're on a branch.  It might not exist.  But
 542                 # HEAD looks good enough to be a branch.
 543                 #
 544                 set current_branch [string range $ref $len end]
 545                 set is_detached 0
 546         } else {
 547                 # Assume this is a detached head.
 548                 #
 549                 set current_branch HEAD
 550                 set is_detached 1
 551         }
 552 }
 553
 554 auto_load tk_optionMenu
 555 rename tk_optionMenu real__tkOptionMenu
 556 proc tk_optionMenu {w varName args} {
 557         set m [eval real__tkOptionMenu $w $varName $args]
 558         $m configure -font font_ui
 559         $w configure -font font_ui
 560         return $m
 561 }
 562
 563 proc rmsel_tag {text} {
 564         $text tag conf sel \
 565                 -background [$text cget -background] \
 566                 -foreground [$text cget -foreground] \
 567                 -borderwidth 0
 568         $text tag conf in_sel -background lightgray
 569         bind $text <Motion> break
 570         return $text
 571 }
 572
 573 set root_exists 0
 574 bind . <Visibility> {
 575         bind . <Visibility> {}
 576         set root_exists 1
 577 }
 578
 579 if {[is_Windows]} {
 580         wm iconbitmap . -default $oguilib/git-gui.ico
 581 }
 582
 583 ######################################################################
 584 ##
 585 ## config defaults
 586
 587 set cursor_ptr arrow
 588 font create font_diff -family Courier -size 10
 589 font create font_ui
 590 catch {
 591         label .dummy
 592         eval font configure font_ui [font actual [.dummy cget -font]]
 593         destroy .dummy
 594 }
 595
 596 font create font_uiitalic
 597 font create font_uibold
 598 font create font_diffbold
 599 font create font_diffitalic
 600
 601 foreach class {Button Checkbutton Entry Label
 602                 Labelframe Listbox Menu Message
 603                 Radiobutton Spinbox Text} {
 604         option add *$class.font font_ui
 605 }
 606 unset class
 607
 608 if {[is_Windows] || [is_MacOSX]} {
 609         option add *Menu.tearOff 0
 610 }
 611
 612 if {[is_MacOSX]} {
 613         set M1B M1
 614         set M1T Cmd
 615 } else {
 616         set M1B Control
 617         set M1T Ctrl
 618 }
 619
 620 proc bind_button3 {w cmd} {
 621         bind $w <Any-Button-3> $cmd
 622         if {[is_MacOSX]} {
 623                 # Mac OS X sends Button-2 on right click through three-button mouse,
 624                 # or through trackpad right-clicking (two-finger touch + click).
 625                 bind $w <Any-Button-2> $cmd
 626                 bind $w <Control-Button-1> $cmd
 627         }
 628 }
 629
 630 proc apply_config {} {
 631         global repo_config font_descs
 632
 633         foreach option $font_descs {
 634                 set name [lindex $option 0]
 635                 set font [lindex $option 1]
 636                 if {[catch {
 637                         set need_weight 1
 638                         foreach {cn cv} $repo_config(gui.$name) {
 639                                 if {$cn eq {-weight}} {
 640                                         set need_weight 0
 641                                 }
 642                                 font configure $font $cn $cv
 643                         }
 644                         if {$need_weight} {
 645                                 font configure $font -weight normal
 646                         }
 647                         } err]} {
 648                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 649                 }
 650                 foreach {cn cv} [font configure $font] {
 651                         font configure ${font}bold $cn $cv
 652                         font configure ${font}italic $cn $cv
 653                 }
 654                 font configure ${font}bold -weight bold
 655                 font configure ${font}italic -slant italic
 656         }
 657 }
 658
 659 set default_config(branch.autosetupmerge) true
 660 set default_config(merge.diffstat) true
 661 set default_config(merge.summary) false
 662 set default_config(merge.verbosity) 2
 663 set default_config(user.name) {}
 664 set default_config(user.email) {}
 665
 666 set default_config(gui.matchtrackingbranch) false
 667 set default_config(gui.pruneduringfetch) false
 668 set default_config(gui.trustmtime) false
 669 set default_config(gui.fastcopyblame) false
 670 set default_config(gui.copyblamethreshold) 40
 671 set default_config(gui.blamehistoryctx) 7
 672 set default_config(gui.diffcontext) 5
 673 set default_config(gui.commitmsgwidth) 75
 674 set default_config(gui.newbranchtemplate) {}
 675 set default_config(gui.spellingdictionary) {}
 676 set default_config(gui.fontui) [font configure font_ui]
 677 set default_config(gui.fontdiff) [font configure font_diff]
 678 set font_descs {
 679         {fontui   font_ui   {mc "Main Font"}}
 680         {fontdiff font_diff {mc "Diff/Console Font"}}
 681 }
 682
 683 ######################################################################
 684 ##
 685 ## find git
 686
 687 set _git  [_which git]
 688 if {$_git eq {}} {
 689         catch {wm withdraw .}
 690         tk_messageBox \
 691                 -icon error \
 692                 -type ok \
 693                 -title [mc "git-gui: fatal error"] \
 694                 -message [mc "Cannot find git in PATH."]
 695         exit 1
 696 }
 697
 698 ######################################################################
 699 ##
 700 ## version check
 701
 702 if {[catch {set _git_version [git --version]} err]} {
 703         catch {wm withdraw .}
 704         tk_messageBox \
 705                 -icon error \
 706                 -type ok \
 707                 -title [mc "git-gui: fatal error"] \
 708                 -message "Cannot determine Git version:
 709
 710 $err
 711
 712 [appname] requires Git 1.5.0 or later."
 713         exit 1
 714 }
 715 if {![regsub {^git version } $_git_version {} _git_version]} {
 716         catch {wm withdraw .}
 717         tk_messageBox \
 718                 -icon error \
 719                 -type ok \
 720                 -title [mc "git-gui: fatal error"] \
 721                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 722         exit 1
 723 }
 724
 725 set _real_git_version $_git_version
 726 regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 727 regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 728 regsub {\.rc[0-9]+$} $_git_version {} _git_version
 729 regsub {\.GIT$} $_git_version {} _git_version
 730 regsub {\.[a-zA-Z]+\.[0-9]+$} $_git_version {} _git_version
 731
 732 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 733         catch {wm withdraw .}
 734         if {[tk_messageBox \
 735                 -icon warning \
 736                 -type yesno \
 737                 -default no \
 738                 -title "[appname]: warning" \
 739                  -message [mc "Git version cannot be determined.
 740
 741 %s claims it is version '%s'.
 742
 743 %s requires at least Git 1.5.0 or later.
 744
 745 Assume '%s' is version 1.5.0?
 746 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 747                 set _git_version 1.5.0
 748         } else {
 749                 exit 1
 750         }
 751 }
 752 unset _real_git_version
 753
 754 proc git-version {args} {
 755         global _git_version
 756
 757         switch [llength $args] {
 758         0 {
 759                 return $_git_version
 760         }
 761
 762         2 {
 763                 set op [lindex $args 0]
 764                 set vr [lindex $args 1]
 765                 set cm [package vcompare $_git_version $vr]
 766                 return [expr $cm $op 0]
 767         }
 768
 769         4 {
 770                 set type [lindex $args 0]
 771                 set name [lindex $args 1]
 772                 set parm [lindex $args 2]
 773                 set body [lindex $args 3]
 774
 775                 if {($type ne {proc} && $type ne {method})} {
 776                         error "Invalid arguments to git-version"
 777                 }
 778                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 779                         error "Last arm of $type $name must be default"
 780                 }
 781
 782                 foreach {op vr cb} [lrange $body 0 end-2] {
 783                         if {[git-version $op $vr]} {
 784                                 return [uplevel [list $type $name $parm $cb]]
 785                         }
 786                 }
 787
 788                 return [uplevel [list $type $name $parm [lindex $body end]]]
 789         }
 790
 791         default {
 792                 error "git-version >= x"
 793         }
 794
 795         }
 796 }
 797
 798 if {[git-version < 1.5]} {
 799         catch {wm withdraw .}
 800         tk_messageBox \
 801                 -icon error \
 802                 -type ok \
 803                 -title [mc "git-gui: fatal error"] \
 804                 -message "[appname] requires Git 1.5.0 or later.
 805
 806 You are using [git-version]:
 807
 808 [git --version]"
 809         exit 1
 810 }
 811
 812 ######################################################################
 813 ##
 814 ## configure our library
 815
 816 set idx [file join $oguilib tclIndex]
 817 if {[catch {set fd [open $idx r]} err]} {
 818         catch {wm withdraw .}
 819         tk_messageBox \
 820                 -icon error \
 821                 -type ok \
 822                 -title [mc "git-gui: fatal error"] \
 823                 -message $err
 824         exit 1
 825 }
 826 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 827         set idx [list]
 828         while {[gets $fd n] >= 0} {
 829                 if {$n ne {} && ![string match #* $n]} {
 830                         lappend idx $n
 831                 }
 832         }
 833 } else {
 834         set idx {}
 835 }
 836 close $fd
 837
 838 if {$idx ne {}} {
 839         set loaded [list]
 840         foreach p $idx {
 841                 if {[lsearch -exact $loaded $p] >= 0} continue
 842                 source [file join $oguilib $p]
 843                 lappend loaded $p
 844         }
 845         unset loaded p
 846 } else {
 847         set auto_path [concat [list $oguilib] $auto_path]
 848 }
 849 unset -nocomplain idx fd
 850
 851 ######################################################################
 852 ##
 853 ## config file parsing
 854
 855 git-version proc _parse_config {arr_name args} {
 856         >= 1.5.3 {
 857                 upvar $arr_name arr
 858                 array unset arr
 859                 set buf {}
 860                 catch {
 861                         set fd_rc [eval \
 862                                 [list git_read config] \
 863                                 $args \
 864                                 [list --null --list]]
 865                         fconfigure $fd_rc -translation binary
 866                         set buf [read $fd_rc]
 867                         close $fd_rc
 868                 }
 869                 foreach line [split $buf "\0"] {
 870                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 871                                 if {[is_many_config $name]} {
 872                                         lappend arr($name) $value
 873                                 } else {
 874                                         set arr($name) $value
 875                                 }
 876                         }
 877                 }
 878         }
 879         default {
 880                 upvar $arr_name arr
 881                 array unset arr
 882                 catch {
 883                         set fd_rc [eval [list git_read config --list] $args]
 884                         while {[gets $fd_rc line] >= 0} {
 885                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 886                                         if {[is_many_config $name]} {
 887                                                 lappend arr($name) $value
 888                                         } else {
 889                                                 set arr($name) $value
 890                                         }
 891                                 }
 892                         }
 893                         close $fd_rc
 894                 }
 895         }
 896 }
 897
 898 proc load_config {include_global} {
 899         global repo_config global_config default_config
 900
 901         if {$include_global} {
 902                 _parse_config global_config --global
 903         }
 904         _parse_config repo_config
 905
 906         foreach name [array names default_config] {
 907                 if {[catch {set v $global_config($name)}]} {
 908                         set global_config($name) $default_config($name)
 909                 }
 910                 if {[catch {set v $repo_config($name)}]} {
 911                         set repo_config($name) $default_config($name)
 912                 }
 913         }
 914 }
 915
 916 ######################################################################
 917 ##
 918 ## feature option selection
 919
 920 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 921         unset _junk
 922 } else {
 923         set subcommand gui
 924 }
 925 if {$subcommand eq {gui.sh}} {
 926         set subcommand gui
 927 }
 928 if {$subcommand eq {gui} && [llength $argv] > 0} {
 929         set subcommand [lindex $argv 0]
 930         set argv [lrange $argv 1 end]
 931 }
 932
 933 enable_option multicommit
 934 enable_option branch
 935 enable_option transport
 936 disable_option bare
 937
 938 switch -- $subcommand {
 939 browser -
 940 blame {
 941         enable_option bare
 942
 943         disable_option multicommit
 944         disable_option branch
 945         disable_option transport
 946 }
 947 citool {
 948         enable_option singlecommit
 949
 950         disable_option multicommit
 951         disable_option branch
 952         disable_option transport
 953 }
 954 }
 955
 956 ######################################################################
 957 ##
 958 ## repository setup
 959
 960 if {[catch {
 961                 set _gitdir $env(GIT_DIR)
 962                 set _prefix {}
 963                 }]
 964         && [catch {
 965                 set _gitdir [git rev-parse --git-dir]
 966                 set _prefix [git rev-parse --show-prefix]
 967         } err]} {
 968         load_config 1
 969         apply_config
 970         choose_repository::pick
 971 }
 972 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 973         catch {set _gitdir [exec cygpath --windows $_gitdir]}
 974 }
 975 if {![file isdirectory $_gitdir]} {
 976         catch {wm withdraw .}
 977         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
 978         exit 1
 979 }
 980 if {$_prefix ne {}} {
 981         regsub -all {[^/]+/} $_prefix ../ cdup
 982         if {[catch {cd $cdup} err]} {
 983                 catch {wm withdraw .}
 984                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
 985                 exit 1
 986         }
 987         unset cdup
 988 } elseif {![is_enabled bare]} {
 989         if {[lindex [file split $_gitdir] end] ne {.git}} {
 990                 catch {wm withdraw .}
 991                 error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
 992                 exit 1
 993         }
 994         if {[catch {cd [file dirname $_gitdir]} err]} {
 995                 catch {wm withdraw .}
 996                 error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
 997                 exit 1
 998         }
 999 }
1000 set _reponame [file split [file normalize $_gitdir]]
1001 if {[lindex $_reponame end] eq {.git}} {
1002         set _reponame [lindex $_reponame end-1]
1003 } else {
1004         set _reponame [lindex $_reponame end]
1005 }
1006
1007 ######################################################################
1008 ##
1009 ## global init
1010
1011 set current_diff_path {}
1012 set current_diff_side {}
1013 set diff_actions [list]
1014
1015 set HEAD {}
1016 set PARENT {}
1017 set MERGE_HEAD [list]
1018 set commit_type {}
1019 set empty_tree {}
1020 set current_branch {}
1021 set is_detached 0
1022 set current_diff_path {}
1023 set is_3way_diff 0
1024 set selected_commit_type new
1025
1026 ######################################################################
1027 ##
1028 ## task management
1029
1030 set rescan_active 0
1031 set diff_active 0
1032 set last_clicked {}
1033
1034 set disable_on_lock [list]
1035 set index_lock_type none
1036
1037 proc lock_index {type} {
1038         global index_lock_type disable_on_lock
1039
1040         if {$index_lock_type eq {none}} {
1041                 set index_lock_type $type
1042                 foreach w $disable_on_lock {
1043                         uplevel #0 $w disabled
1044                 }
1045                 return 1
1046         } elseif {$index_lock_type eq "begin-$type"} {
1047                 set index_lock_type $type
1048                 return 1
1049         }
1050         return 0
1051 }
1052
1053 proc unlock_index {} {
1054         global index_lock_type disable_on_lock
1055
1056         set index_lock_type none
1057         foreach w $disable_on_lock {
1058                 uplevel #0 $w normal
1059         }
1060 }
1061
1062 ######################################################################
1063 ##
1064 ## status
1065
1066 proc repository_state {ctvar hdvar mhvar} {
1067         global current_branch
1068         upvar $ctvar ct $hdvar hd $mhvar mh
1069
1070         set mh [list]
1071
1072         load_current_branch
1073         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1074                 set hd {}
1075                 set ct initial
1076                 return
1077         }
1078
1079         set merge_head [gitdir MERGE_HEAD]
1080         if {[file exists $merge_head]} {
1081                 set ct merge
1082                 set fd_mh [open $merge_head r]
1083                 while {[gets $fd_mh line] >= 0} {
1084                         lappend mh $line
1085                 }
1086                 close $fd_mh
1087                 return
1088         }
1089
1090         set ct normal
1091 }
1092
1093 proc PARENT {} {
1094         global PARENT empty_tree
1095
1096         set p [lindex $PARENT 0]
1097         if {$p ne {}} {
1098                 return $p
1099         }
1100         if {$empty_tree eq {}} {
1101                 set empty_tree [git mktree << {}]
1102         }
1103         return $empty_tree
1104 }
1105
1106 proc rescan {after {honor_trustmtime 1}} {
1107         global HEAD PARENT MERGE_HEAD commit_type
1108         global ui_index ui_workdir ui_comm
1109         global rescan_active file_states
1110         global repo_config
1111
1112         if {$rescan_active > 0 || ![lock_index read]} return
1113
1114         repository_state newType newHEAD newMERGE_HEAD
1115         if {[string match amend* $commit_type]
1116                 && $newType eq {normal}
1117                 && $newHEAD eq $HEAD} {
1118         } else {
1119                 set HEAD $newHEAD
1120                 set PARENT $newHEAD
1121                 set MERGE_HEAD $newMERGE_HEAD
1122                 set commit_type $newType
1123         }
1124
1125         array unset file_states
1126
1127         if {!$::GITGUI_BCK_exists &&
1128                 (![$ui_comm edit modified]
1129                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1130                 if {[string match amend* $commit_type]} {
1131                 } elseif {[load_message GITGUI_MSG]} {
1132                 } elseif {[load_message MERGE_MSG]} {
1133                 } elseif {[load_message SQUASH_MSG]} {
1134                 }
1135                 $ui_comm edit reset
1136                 $ui_comm edit modified false
1137         }
1138
1139         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1140                 rescan_stage2 {} $after
1141         } else {
1142                 set rescan_active 1
1143                 ui_status [mc "Refreshing file status..."]
1144                 set fd_rf [git_read update-index \
1145                         -q \
1146                         --unmerged \
1147                         --ignore-missing \
1148                         --refresh \
1149                         ]
1150                 fconfigure $fd_rf -blocking 0 -translation binary
1151                 fileevent $fd_rf readable \
1152                         [list rescan_stage2 $fd_rf $after]
1153         }
1154 }
1155
1156 if {[is_Cygwin]} {
1157         set is_git_info_exclude {}
1158         proc have_info_exclude {} {
1159                 global is_git_info_exclude
1160
1161                 if {$is_git_info_exclude eq {}} {
1162                         if {[catch {exec test -f [gitdir info exclude]}]} {
1163                                 set is_git_info_exclude 0
1164                         } else {
1165                                 set is_git_info_exclude 1
1166                         }
1167                 }
1168                 return $is_git_info_exclude
1169         }
1170 } else {
1171         proc have_info_exclude {} {
1172                 return [file readable [gitdir info exclude]]
1173         }
1174 }
1175
1176 proc rescan_stage2 {fd after} {
1177         global rescan_active buf_rdi buf_rdf buf_rlo
1178
1179         if {$fd ne {}} {
1180                 read $fd
1181                 if {![eof $fd]} return
1182                 close $fd
1183         }
1184
1185         set ls_others [list --exclude-per-directory=.gitignore]
1186         if {[have_info_exclude]} {
1187                 lappend ls_others "--exclude-from=[gitdir info exclude]"
1188         }
1189         set user_exclude [get_config core.excludesfile]
1190         if {$user_exclude ne {} && [file readable $user_exclude]} {
1191                 lappend ls_others "--exclude-from=$user_exclude"
1192         }
1193
1194         set buf_rdi {}
1195         set buf_rdf {}
1196         set buf_rlo {}
1197
1198         set rescan_active 3
1199         ui_status [mc "Scanning for modified files ..."]
1200         set fd_di [git_read diff-index --cached -z [PARENT]]
1201         set fd_df [git_read diff-files -z]
1202         set fd_lo [eval git_read ls-files --others -z $ls_others]
1203
1204         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1205         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1206         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1207         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1208         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1209         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1210 }
1211
1212 proc load_message {file} {
1213         global ui_comm
1214
1215         set f [gitdir $file]
1216         if {[file isfile $f]} {
1217                 if {[catch {set fd [open $f r]}]} {
1218                         return 0
1219                 }
1220                 fconfigure $fd -eofchar {}
1221                 set content [string trim [read $fd]]
1222                 close $fd
1223                 regsub -all -line {[ \r\t]+$} $content {} content
1224                 $ui_comm delete 0.0 end
1225                 $ui_comm insert end $content
1226                 return 1
1227         }
1228         return 0
1229 }
1230
1231 proc read_diff_index {fd after} {
1232         global buf_rdi
1233
1234         append buf_rdi [read $fd]
1235         set c 0
1236         set n [string length $buf_rdi]
1237         while {$c < $n} {
1238                 set z1 [string first "\0" $buf_rdi $c]
1239                 if {$z1 == -1} break
1240                 incr z1
1241                 set z2 [string first "\0" $buf_rdi $z1]
1242                 if {$z2 == -1} break
1243
1244                 incr c
1245                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1246                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1247                 merge_state \
1248                         [encoding convertfrom $p] \
1249                         [lindex $i 4]? \
1250                         [list [lindex $i 0] [lindex $i 2]] \
1251                         [list]
1252                 set c $z2
1253                 incr c
1254         }
1255         if {$c < $n} {
1256                 set buf_rdi [string range $buf_rdi $c end]
1257         } else {
1258                 set buf_rdi {}
1259         }
1260
1261         rescan_done $fd buf_rdi $after
1262 }
1263
1264 proc read_diff_files {fd after} {
1265         global buf_rdf
1266
1267         append buf_rdf [read $fd]
1268         set c 0
1269         set n [string length $buf_rdf]
1270         while {$c < $n} {
1271                 set z1 [string first "\0" $buf_rdf $c]
1272                 if {$z1 == -1} break
1273                 incr z1
1274                 set z2 [string first "\0" $buf_rdf $z1]
1275                 if {$z2 == -1} break
1276
1277                 incr c
1278                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1279                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1280                 merge_state \
1281                         [encoding convertfrom $p] \
1282                         ?[lindex $i 4] \
1283                         [list] \
1284                         [list [lindex $i 0] [lindex $i 2]]
1285                 set c $z2
1286                 incr c
1287         }
1288         if {$c < $n} {
1289                 set buf_rdf [string range $buf_rdf $c end]
1290         } else {
1291                 set buf_rdf {}
1292         }
1293
1294         rescan_done $fd buf_rdf $after
1295 }
1296
1297 proc read_ls_others {fd after} {
1298         global buf_rlo
1299
1300         append buf_rlo [read $fd]
1301         set pck [split $buf_rlo "\0"]
1302         set buf_rlo [lindex $pck end]
1303         foreach p [lrange $pck 0 end-1] {
1304                 set p [encoding convertfrom $p]
1305                 if {[string index $p end] eq {/}} {
1306                         set p [string range $p 0 end-1]
1307                 }
1308                 merge_state $p ?O
1309         }
1310         rescan_done $fd buf_rlo $after
1311 }
1312
1313 proc rescan_done {fd buf after} {
1314         global rescan_active current_diff_path
1315         global file_states repo_config
1316         upvar $buf to_clear
1317
1318         if {![eof $fd]} return
1319         set to_clear {}
1320         close $fd
1321         if {[incr rescan_active -1] > 0} return
1322
1323         prune_selection
1324         unlock_index
1325         display_all_files
1326         if {$current_diff_path ne {}} reshow_diff
1327         uplevel #0 $after
1328 }
1329
1330 proc prune_selection {} {
1331         global file_states selected_paths
1332
1333         foreach path [array names selected_paths] {
1334                 if {[catch {set still_here $file_states($path)}]} {
1335                         unset selected_paths($path)
1336                 }
1337         }
1338 }
1339
1340 ######################################################################
1341 ##
1342 ## ui helpers
1343
1344 proc mapicon {w state path} {
1345         global all_icons
1346
1347         if {[catch {set r $all_icons($state$w)}]} {
1348                 puts "error: no icon for $w state={$state} $path"
1349                 return file_plain
1350         }
1351         return $r
1352 }
1353
1354 proc mapdesc {state path} {
1355         global all_descs
1356
1357         if {[catch {set r $all_descs($state)}]} {
1358                 puts "error: no desc for state={$state} $path"
1359                 return $state
1360         }
1361         return $r
1362 }
1363
1364 proc ui_status {msg} {
1365         global main_status
1366         if {[info exists main_status]} {
1367                 $main_status show $msg
1368         }
1369 }
1370
1371 proc ui_ready {{test {}}} {
1372         global main_status
1373         if {[info exists main_status]} {
1374                 $main_status show [mc "Ready."] $test
1375         }
1376 }
1377
1378 proc escape_path {path} {
1379         regsub -all {\\} $path "\\\\" path
1380         regsub -all "\n" $path "\\n" path
1381         return $path
1382 }
1383
1384 proc short_path {path} {
1385         return [escape_path [lindex [file split $path] end]]
1386 }
1387
1388 set next_icon_id 0
1389 set null_sha1 [string repeat 0 40]
1390
1391 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1392         global file_states next_icon_id null_sha1
1393
1394         set s0 [string index $new_state 0]
1395         set s1 [string index $new_state 1]
1396
1397         if {[catch {set info $file_states($path)}]} {
1398                 set state __
1399                 set icon n[incr next_icon_id]
1400         } else {
1401                 set state [lindex $info 0]
1402                 set icon [lindex $info 1]
1403                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1404                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1405         }
1406
1407         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1408         elseif {$s0 eq {_}} {set s0 _}
1409
1410         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1411         elseif {$s1 eq {_}} {set s1 _}
1412
1413         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1414                 set head_info [list 0 $null_sha1]
1415         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1416                 && $head_info eq {}} {
1417                 set head_info $index_info
1418         }
1419
1420         set file_states($path) [list $s0$s1 $icon \
1421                 $head_info $index_info \
1422                 ]
1423         return $state
1424 }
1425
1426 proc display_file_helper {w path icon_name old_m new_m} {
1427         global file_lists
1428
1429         if {$new_m eq {_}} {
1430                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1431                 if {$lno >= 0} {
1432                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1433                         incr lno
1434                         $w conf -state normal
1435                         $w delete $lno.0 [expr {$lno + 1}].0
1436                         $w conf -state disabled
1437                 }
1438         } elseif {$old_m eq {_} && $new_m ne {_}} {
1439                 lappend file_lists($w) $path
1440                 set file_lists($w) [lsort -unique $file_lists($w)]
1441                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1442                 incr lno
1443                 $w conf -state normal
1444                 $w image create $lno.0 \
1445                         -align center -padx 5 -pady 1 \
1446                         -name $icon_name \
1447                         -image [mapicon $w $new_m $path]
1448                 $w insert $lno.1 "[escape_path $path]\n"
1449                 $w conf -state disabled
1450         } elseif {$old_m ne $new_m} {
1451                 $w conf -state normal
1452                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1453                 $w conf -state disabled
1454         }
1455 }
1456
1457 proc display_file {path state} {
1458         global file_states selected_paths
1459         global ui_index ui_workdir
1460
1461         set old_m [merge_state $path $state]
1462         set s $file_states($path)
1463         set new_m [lindex $s 0]
1464         set icon_name [lindex $s 1]
1465
1466         set o [string index $old_m 0]
1467         set n [string index $new_m 0]
1468         if {$o eq {U}} {
1469                 set o _
1470         }
1471         if {$n eq {U}} {
1472                 set n _
1473         }
1474         display_file_helper     $ui_index $path $icon_name $o $n
1475
1476         if {[string index $old_m 0] eq {U}} {
1477                 set o U
1478         } else {
1479                 set o [string index $old_m 1]
1480         }
1481         if {[string index $new_m 0] eq {U}} {
1482                 set n U
1483         } else {
1484                 set n [string index $new_m 1]
1485         }
1486         display_file_helper     $ui_workdir $path $icon_name $o $n
1487
1488         if {$new_m eq {__}} {
1489                 unset file_states($path)
1490                 catch {unset selected_paths($path)}
1491         }
1492 }
1493
1494 proc display_all_files_helper {w path icon_name m} {
1495         global file_lists
1496
1497         lappend file_lists($w) $path
1498         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1499         $w image create end \
1500                 -align center -padx 5 -pady 1 \
1501                 -name $icon_name \
1502                 -image [mapicon $w $m $path]
1503         $w insert end "[escape_path $path]\n"
1504 }
1505
1506 proc display_all_files {} {
1507         global ui_index ui_workdir
1508         global file_states file_lists
1509         global last_clicked
1510
1511         $ui_index conf -state normal
1512         $ui_workdir conf -state normal
1513
1514         $ui_index delete 0.0 end
1515         $ui_workdir delete 0.0 end
1516         set last_clicked {}
1517
1518         set file_lists($ui_index) [list]
1519         set file_lists($ui_workdir) [list]
1520
1521         foreach path [lsort [array names file_states]] {
1522                 set s $file_states($path)
1523                 set m [lindex $s 0]
1524                 set icon_name [lindex $s 1]
1525
1526                 set s [string index $m 0]
1527                 if {$s ne {U} && $s ne {_}} {
1528                         display_all_files_helper $ui_index $path \
1529                                 $icon_name $s
1530                 }
1531
1532                 if {[string index $m 0] eq {U}} {
1533                         set s U
1534                 } else {
1535                         set s [string index $m 1]
1536                 }
1537                 if {$s ne {_}} {
1538                         display_all_files_helper $ui_workdir $path \
1539                                 $icon_name $s
1540                 }
1541         }
1542
1543         $ui_index conf -state disabled
1544         $ui_workdir conf -state disabled
1545 }
1546
1547 ######################################################################
1548 ##
1549 ## icons
1550
1551 set filemask {
1552 #define mask_width 14
1553 #define mask_height 15
1554 static unsigned char mask_bits[] = {
1555    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1556    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1557    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1558 }
1559
1560 image create bitmap file_plain -background white -foreground black -data {
1561 #define plain_width 14
1562 #define plain_height 15
1563 static unsigned char plain_bits[] = {
1564    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1565    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1566    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1567 } -maskdata $filemask
1568
1569 image create bitmap file_mod -background white -foreground blue -data {
1570 #define mod_width 14
1571 #define mod_height 15
1572 static unsigned char mod_bits[] = {
1573    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1574    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1575    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1576 } -maskdata $filemask
1577
1578 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1579 #define file_fulltick_width 14
1580 #define file_fulltick_height 15
1581 static unsigned char file_fulltick_bits[] = {
1582    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1583    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1584    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1585 } -maskdata $filemask
1586
1587 image create bitmap file_parttick -background white -foreground "#005050" -data {
1588 #define parttick_width 14
1589 #define parttick_height 15
1590 static unsigned char parttick_bits[] = {
1591    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1592    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1593    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1594 } -maskdata $filemask
1595
1596 image create bitmap file_question -background white -foreground black -data {
1597 #define file_question_width 14
1598 #define file_question_height 15
1599 static unsigned char file_question_bits[] = {
1600    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1601    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1602    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1603 } -maskdata $filemask
1604
1605 image create bitmap file_removed -background white -foreground red -data {
1606 #define file_removed_width 14
1607 #define file_removed_height 15
1608 static unsigned char file_removed_bits[] = {
1609    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1610    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1611    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1612 } -maskdata $filemask
1613
1614 image create bitmap file_merge -background white -foreground blue -data {
1615 #define file_merge_width 14
1616 #define file_merge_height 15
1617 static unsigned char file_merge_bits[] = {
1618    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1619    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1620    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1621 } -maskdata $filemask
1622
1623 image create bitmap file_statechange -background white -foreground green -data {
1624 #define file_merge_width 14
1625 #define file_merge_height 15
1626 static unsigned char file_statechange_bits[] = {
1627    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1628    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1629    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1630 } -maskdata $filemask
1631
1632 set ui_index .vpane.files.index.list
1633 set ui_workdir .vpane.files.workdir.list
1634
1635 set all_icons(_$ui_index)   file_plain
1636 set all_icons(A$ui_index)   file_fulltick
1637 set all_icons(M$ui_index)   file_fulltick
1638 set all_icons(D$ui_index)   file_removed
1639 set all_icons(U$ui_index)   file_merge
1640 set all_icons(T$ui_index)   file_statechange
1641
1642 set all_icons(_$ui_workdir) file_plain
1643 set all_icons(M$ui_workdir) file_mod
1644 set all_icons(D$ui_workdir) file_question
1645 set all_icons(U$ui_workdir) file_merge
1646 set all_icons(O$ui_workdir) file_plain
1647 set all_icons(T$ui_workdir) file_statechange
1648
1649 set max_status_desc 0
1650 foreach i {
1651                 {__ {mc "Unmodified"}}
1652
1653                 {_M {mc "Modified, not staged"}}
1654                 {M_ {mc "Staged for commit"}}
1655                 {MM {mc "Portions staged for commit"}}
1656                 {MD {mc "Staged for commit, missing"}}
1657
1658                 {_T {mc "File type changed, not staged"}}
1659                 {T_ {mc "File type changed, staged"}}
1660
1661                 {_O {mc "Untracked, not staged"}}
1662                 {A_ {mc "Staged for commit"}}
1663                 {AM {mc "Portions staged for commit"}}
1664                 {AD {mc "Staged for commit, missing"}}
1665
1666                 {_D {mc "Missing"}}
1667                 {D_ {mc "Staged for removal"}}
1668                 {DO {mc "Staged for removal, still present"}}
1669
1670                 {U_ {mc "Requires merge resolution"}}
1671                 {UU {mc "Requires merge resolution"}}
1672                 {UM {mc "Requires merge resolution"}}
1673                 {UD {mc "Requires merge resolution"}}
1674         } {
1675         set text [eval [lindex $i 1]]
1676         if {$max_status_desc < [string length $text]} {
1677                 set max_status_desc [string length $text]
1678         }
1679         set all_descs([lindex $i 0]) $text
1680 }
1681 unset i
1682
1683 ######################################################################
1684 ##
1685 ## util
1686
1687 proc scrollbar2many {list mode args} {
1688         foreach w $list {eval $w $mode $args}
1689 }
1690
1691 proc many2scrollbar {list mode sb top bottom} {
1692         $sb set $top $bottom
1693         foreach w $list {$w $mode moveto $top}
1694 }
1695
1696 proc incr_font_size {font {amt 1}} {
1697         set sz [font configure $font -size]
1698         incr sz $amt
1699         font configure $font -size $sz
1700         font configure ${font}bold -size $sz
1701         font configure ${font}italic -size $sz
1702 }
1703
1704 ######################################################################
1705 ##
1706 ## ui commands
1707
1708 set starting_gitk_msg [mc "Starting gitk... please wait..."]
1709
1710 proc do_gitk {revs} {
1711         # -- Always start gitk through whatever we were loaded with.  This
1712         #    lets us bypass using shell process on Windows systems.
1713         #
1714         set exe [_which gitk -script]
1715         set cmd [list [info nameofexecutable] $exe]
1716         if {$exe eq {}} {
1717                 error_popup [mc "Couldn't find gitk in PATH"]
1718         } else {
1719                 global env
1720
1721                 if {[info exists env(GIT_DIR)]} {
1722                         set old_GIT_DIR $env(GIT_DIR)
1723                 } else {
1724                         set old_GIT_DIR {}
1725                 }
1726
1727                 set pwd [pwd]
1728                 cd [file dirname [gitdir]]
1729                 set env(GIT_DIR) [file tail [gitdir]]
1730
1731                 eval exec $cmd $revs &
1732
1733                 if {$old_GIT_DIR eq {}} {
1734                         unset env(GIT_DIR)
1735                 } else {
1736                         set env(GIT_DIR) $old_GIT_DIR
1737                 }
1738                 cd $pwd
1739
1740                 ui_status $::starting_gitk_msg
1741                 after 10000 {
1742                         ui_ready $starting_gitk_msg
1743                 }
1744         }
1745 }
1746
1747 set is_quitting 0
1748
1749 proc do_quit {} {
1750         global ui_comm is_quitting repo_config commit_type
1751         global GITGUI_BCK_exists GITGUI_BCK_i
1752         global ui_comm_spell
1753
1754         if {$is_quitting} return
1755         set is_quitting 1
1756
1757         if {[winfo exists $ui_comm]} {
1758                 # -- Stash our current commit buffer.
1759                 #
1760                 set save [gitdir GITGUI_MSG]
1761                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1762                         file rename -force [gitdir GITGUI_BCK] $save
1763                         set GITGUI_BCK_exists 0
1764                 } else {
1765                         set msg [string trim [$ui_comm get 0.0 end]]
1766                         regsub -all -line {[ \r\t]+$} $msg {} msg
1767                         if {(![string match amend* $commit_type]
1768                                 || [$ui_comm edit modified])
1769                                 && $msg ne {}} {
1770                                 catch {
1771                                         set fd [open $save w]
1772                                         puts -nonewline $fd $msg
1773                                         close $fd
1774                                 }
1775                         } else {
1776                                 catch {file delete $save}
1777                         }
1778                 }
1779
1780                 # -- Cancel our spellchecker if its running.
1781                 #
1782                 if {[info exists ui_comm_spell]} {
1783                         $ui_comm_spell stop
1784                 }
1785
1786                 # -- Remove our editor backup, its not needed.
1787                 #
1788                 after cancel $GITGUI_BCK_i
1789                 if {$GITGUI_BCK_exists} {
1790                         catch {file delete [gitdir GITGUI_BCK]}
1791                 }
1792
1793                 # -- Stash our current window geometry into this repository.
1794                 #
1795                 set cfg_geometry [list]
1796                 lappend cfg_geometry [wm geometry .]
1797                 lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
1798                 lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
1799                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1800                         set rc_geometry {}
1801                 }
1802                 if {$cfg_geometry ne $rc_geometry} {
1803                         catch {git config gui.geometry $cfg_geometry}
1804                 }
1805         }
1806
1807         destroy .
1808 }
1809
1810 proc do_rescan {} {
1811         rescan ui_ready
1812 }
1813
1814 proc do_commit {} {
1815         commit_tree
1816 }
1817
1818 proc next_diff {} {
1819         global next_diff_p next_diff_w next_diff_i
1820         show_diff $next_diff_p $next_diff_w $next_diff_i
1821 }
1822
1823 proc toggle_or_diff {w x y} {
1824         global file_states file_lists current_diff_path ui_index ui_workdir
1825         global last_clicked selected_paths
1826
1827         set pos [split [$w index @$x,$y] .]
1828         set lno [lindex $pos 0]
1829         set col [lindex $pos 1]
1830         set path [lindex $file_lists($w) [expr {$lno - 1}]]
1831         if {$path eq {}} {
1832                 set last_clicked {}
1833                 return
1834         }
1835
1836         set last_clicked [list $w $lno]
1837         array unset selected_paths
1838         $ui_index tag remove in_sel 0.0 end
1839         $ui_workdir tag remove in_sel 0.0 end
1840
1841         if {$col == 0 && $y > 1} {
1842                 set i [expr {$lno-1}]
1843                 set ll [expr {[llength $file_lists($w)]-1}]
1844
1845                 if {$i == $ll && $i == 0} {
1846                         set after {reshow_diff;}
1847                 } else {
1848                         global next_diff_p next_diff_w next_diff_i
1849
1850                         set next_diff_w $w
1851
1852                         if {$i < $ll} {
1853                                 set i [expr {$i + 1}]
1854                                 set next_diff_i $i
1855                         } else {
1856                                 set next_diff_i $i
1857                                 set i [expr {$i - 1}]
1858                         }
1859
1860                         set next_diff_p [lindex $file_lists($w) $i]
1861
1862                         if {$next_diff_p ne {} && $current_diff_path ne {}} {
1863                                 set after {next_diff;}
1864                         } else {
1865                                 set after {}
1866                         }
1867                 }
1868
1869                 if {$w eq $ui_index} {
1870                         update_indexinfo \
1871                                 "Unstaging [short_path $path] from commit" \
1872                                 [list $path] \
1873                                 [concat $after [list ui_ready]]
1874                 } elseif {$w eq $ui_workdir} {
1875                         update_index \
1876                                 "Adding [short_path $path]" \
1877                                 [list $path] \
1878                                 [concat $after [list ui_ready]]
1879                 }
1880         } else {
1881                 show_diff $path $w $lno
1882         }
1883 }
1884
1885 proc add_one_to_selection {w x y} {
1886         global file_lists last_clicked selected_paths
1887
1888         set lno [lindex [split [$w index @$x,$y] .] 0]
1889         set path [lindex $file_lists($w) [expr {$lno - 1}]]
1890         if {$path eq {}} {
1891                 set last_clicked {}
1892                 return
1893         }
1894
1895         if {$last_clicked ne {}
1896                 && [lindex $last_clicked 0] ne $w} {
1897                 array unset selected_paths
1898                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
1899         }
1900
1901         set last_clicked [list $w $lno]
1902         if {[catch {set in_sel $selected_paths($path)}]} {
1903                 set in_sel 0
1904         }
1905         if {$in_sel} {
1906                 unset selected_paths($path)
1907                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
1908         } else {
1909                 set selected_paths($path) 1
1910                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
1911         }
1912 }
1913
1914 proc add_range_to_selection {w x y} {
1915         global file_lists last_clicked selected_paths
1916
1917         if {[lindex $last_clicked 0] ne $w} {
1918                 toggle_or_diff $w $x $y
1919                 return
1920         }
1921
1922         set lno [lindex [split [$w index @$x,$y] .] 0]
1923         set lc [lindex $last_clicked 1]
1924         if {$lc < $lno} {
1925                 set begin $lc
1926                 set end $lno
1927         } else {
1928                 set begin $lno
1929                 set end $lc
1930         }
1931
1932         foreach path [lrange $file_lists($w) \
1933                 [expr {$begin - 1}] \
1934                 [expr {$end - 1}]] {
1935                 set selected_paths($path) 1
1936         }
1937         $w tag add in_sel $begin.0 [expr {$end + 1}].0
1938 }
1939
1940 proc show_more_context {} {
1941         global repo_config
1942         if {$repo_config(gui.diffcontext) < 99} {
1943                 incr repo_config(gui.diffcontext)
1944                 reshow_diff
1945         }
1946 }
1947
1948 proc show_less_context {} {
1949         global repo_config
1950         if {$repo_config(gui.diffcontext) > 1} {
1951                 incr repo_config(gui.diffcontext) -1
1952                 reshow_diff
1953         }
1954 }
1955
1956 ######################################################################
1957 ##
1958 ## ui construction
1959
1960 load_config 0
1961 apply_config
1962 set ui_comm {}
1963
1964 # -- Menu Bar
1965 #
1966 menu .mbar -tearoff 0
1967 .mbar add cascade -label [mc Repository] -menu .mbar.repository
1968 .mbar add cascade -label [mc Edit] -menu .mbar.edit
1969 if {[is_enabled branch]} {
1970         .mbar add cascade -label [mc Branch] -menu .mbar.branch
1971 }
1972 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1973         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
1974 }
1975 if {[is_enabled transport]} {
1976         .mbar add cascade -label [mc Merge] -menu .mbar.merge
1977         .mbar add cascade -label [mc Remote] -menu .mbar.remote
1978 }
1979 . configure -menu .mbar
1980
1981 # -- Repository Menu
1982 #
1983 menu .mbar.repository
1984
1985 .mbar.repository add command \
1986         -label [mc "Browse Current Branch's Files"] \
1987         -command {browser::new $current_branch}
1988 set ui_browse_current [.mbar.repository index last]
1989 .mbar.repository add command \
1990         -label [mc "Browse Branch Files..."] \
1991         -command browser_open::dialog
1992 .mbar.repository add separator
1993
1994 .mbar.repository add command \
1995         -label [mc "Visualize Current Branch's History"] \
1996         -command {do_gitk $current_branch}
1997 set ui_visualize_current [.mbar.repository index last]
1998 .mbar.repository add command \
1999         -label [mc "Visualize All Branch History"] \
2000         -command {do_gitk --all}
2001 .mbar.repository add separator
2002
2003 proc current_branch_write {args} {
2004         global current_branch
2005         .mbar.repository entryconf $::ui_browse_current \
2006                 -label [mc "Browse %s's Files" $current_branch]
2007         .mbar.repository entryconf $::ui_visualize_current \
2008                 -label [mc "Visualize %s's History" $current_branch]
2009 }
2010 trace add variable current_branch write current_branch_write
2011
2012 if {[is_enabled multicommit]} {
2013         .mbar.repository add command -label [mc "Database Statistics"] \
2014                 -command do_stats
2015
2016         .mbar.repository add command -label [mc "Compress Database"] \
2017                 -command do_gc
2018
2019         .mbar.repository add command -label [mc "Verify Database"] \
2020                 -command do_fsck_objects
2021
2022         .mbar.repository add separator
2023
2024         if {[is_Cygwin]} {
2025                 .mbar.repository add command \
2026                         -label [mc "Create Desktop Icon"] \
2027                         -command do_cygwin_shortcut
2028         } elseif {[is_Windows]} {
2029                 .mbar.repository add command \
2030                         -label [mc "Create Desktop Icon"] \
2031                         -command do_windows_shortcut
2032         } elseif {[is_MacOSX]} {
2033                 .mbar.repository add command \
2034                         -label [mc "Create Desktop Icon"] \
2035                         -command do_macosx_app
2036         }
2037 }
2038
2039 if {[is_MacOSX]} {
2040         proc ::tk::mac::Quit {args} { do_quit }
2041 } else {
2042         .mbar.repository add command -label [mc Quit] \
2043                 -command do_quit \
2044                 -accelerator $M1T-Q
2045 }
2046
2047 # -- Edit Menu
2048 #
2049 menu .mbar.edit
2050 .mbar.edit add command -label [mc Undo] \
2051         -command {catch {[focus] edit undo}} \
2052         -accelerator $M1T-Z
2053 .mbar.edit add command -label [mc Redo] \
2054         -command {catch {[focus] edit redo}} \
2055         -accelerator $M1T-Y
2056 .mbar.edit add separator
2057 .mbar.edit add command -label [mc Cut] \
2058         -command {catch {tk_textCut [focus]}} \
2059         -accelerator $M1T-X
2060 .mbar.edit add command -label [mc Copy] \
2061         -command {catch {tk_textCopy [focus]}} \
2062         -accelerator $M1T-C
2063 .mbar.edit add command -label [mc Paste] \
2064         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2065         -accelerator $M1T-V
2066 .mbar.edit add command -label [mc Delete] \
2067         -command {catch {[focus] delete sel.first sel.last}} \
2068         -accelerator Del
2069 .mbar.edit add separator
2070 .mbar.edit add command -label [mc "Select All"] \
2071         -command {catch {[focus] tag add sel 0.0 end}} \
2072         -accelerator $M1T-A
2073
2074 # -- Branch Menu
2075 #
2076 if {[is_enabled branch]} {
2077         menu .mbar.branch
2078
2079         .mbar.branch add command -label [mc "Create..."] \
2080                 -command branch_create::dialog \
2081                 -accelerator $M1T-N
2082         lappend disable_on_lock [list .mbar.branch entryconf \
2083                 [.mbar.branch index last] -state]
2084
2085         .mbar.branch add command -label [mc "Checkout..."] \
2086                 -command branch_checkout::dialog \
2087                 -accelerator $M1T-O
2088         lappend disable_on_lock [list .mbar.branch entryconf \
2089                 [.mbar.branch index last] -state]
2090
2091         .mbar.branch add command -label [mc "Rename..."] \
2092                 -command branch_rename::dialog
2093         lappend disable_on_lock [list .mbar.branch entryconf \
2094                 [.mbar.branch index last] -state]
2095
2096         .mbar.branch add command -label [mc "Delete..."] \
2097                 -command branch_delete::dialog
2098         lappend disable_on_lock [list .mbar.branch entryconf \
2099                 [.mbar.branch index last] -state]
2100
2101         .mbar.branch add command -label [mc "Reset..."] \
2102                 -command merge::reset_hard
2103         lappend disable_on_lock [list .mbar.branch entryconf \
2104                 [.mbar.branch index last] -state]
2105 }
2106
2107 # -- Commit Menu
2108 #
2109 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2110         menu .mbar.commit
2111
2112         .mbar.commit add radiobutton \
2113                 -label [mc "New Commit"] \
2114                 -command do_select_commit_type \
2115                 -variable selected_commit_type \
2116                 -value new
2117         lappend disable_on_lock \
2118                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2119
2120         .mbar.commit add radiobutton \
2121                 -label [mc "Amend Last Commit"] \
2122                 -command do_select_commit_type \
2123                 -variable selected_commit_type \
2124                 -value amend
2125         lappend disable_on_lock \
2126                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2127
2128         .mbar.commit add separator
2129
2130         .mbar.commit add command -label [mc Rescan] \
2131                 -command do_rescan \
2132                 -accelerator F5
2133         lappend disable_on_lock \
2134                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2135
2136         .mbar.commit add command -label [mc "Stage To Commit"] \
2137                 -command do_add_selection \
2138                 -accelerator $M1T-T
2139         lappend disable_on_lock \
2140                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2141
2142         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2143                 -command do_add_all \
2144                 -accelerator $M1T-I
2145         lappend disable_on_lock \
2146                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2147
2148         .mbar.commit add command -label [mc "Unstage From Commit"] \
2149                 -command do_unstage_selection
2150         lappend disable_on_lock \
2151                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2152
2153         .mbar.commit add command -label [mc "Revert Changes"] \
2154                 -command do_revert_selection
2155         lappend disable_on_lock \
2156                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2157
2158         .mbar.commit add separator
2159
2160         .mbar.commit add command -label [mc "Show Less Context"] \
2161                 -command show_less_context \
2162                 -accelerator $M1T-\-
2163
2164         .mbar.commit add command -label [mc "Show More Context"] \
2165                 -command show_more_context \
2166                 -accelerator $M1T-=
2167
2168         .mbar.commit add separator
2169
2170         .mbar.commit add command -label [mc "Sign Off"] \
2171                 -command do_signoff \
2172                 -accelerator $M1T-S
2173
2174         .mbar.commit add command -label [mc Commit@@verb] \
2175                 -command do_commit \
2176                 -accelerator $M1T-Return
2177         lappend disable_on_lock \
2178                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2179 }
2180
2181 # -- Merge Menu
2182 #
2183 if {[is_enabled branch]} {
2184         menu .mbar.merge
2185         .mbar.merge add command -label [mc "Local Merge..."] \
2186                 -command merge::dialog \
2187                 -accelerator $M1T-M
2188         lappend disable_on_lock \
2189                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2190         .mbar.merge add command -label [mc "Abort Merge..."] \
2191                 -command merge::reset_hard
2192         lappend disable_on_lock \
2193                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2194 }
2195
2196 # -- Transport Menu
2197 #
2198 if {[is_enabled transport]} {
2199         menu .mbar.remote
2200
2201         .mbar.remote add command \
2202                 -label [mc "Push..."] \
2203                 -command do_push_anywhere \
2204                 -accelerator $M1T-P
2205         .mbar.remote add command \
2206                 -label [mc "Delete..."] \
2207                 -command remote_branch_delete::dialog
2208 }
2209
2210 if {[is_MacOSX]} {
2211         # -- Apple Menu (Mac OS X only)
2212         #
2213         .mbar add cascade -label Apple -menu .mbar.apple
2214         menu .mbar.apple
2215
2216         .mbar.apple add command -label [mc "About %s" [appname]] \
2217                 -command do_about
2218         .mbar.apple add separator
2219         .mbar.apple add command \
2220                 -label [mc "Preferences..."] \
2221                 -command do_options \
2222                 -accelerator $M1T-,
2223         bind . <$M1B-,> do_options
2224 } else {
2225         # -- Edit Menu
2226         #
2227         .mbar.edit add separator
2228         .mbar.edit add command -label [mc "Options..."] \
2229                 -command do_options
2230 }
2231
2232 # -- Help Menu
2233 #
2234 .mbar add cascade -label [mc Help] -menu .mbar.help
2235 menu .mbar.help
2236
2237 if {![is_MacOSX]} {
2238         .mbar.help add command -label [mc "About %s" [appname]] \
2239                 -command do_about
2240 }
2241
2242 set browser {}
2243 catch {set browser $repo_config(instaweb.browser)}
2244 set doc_path [file dirname [gitexec]]
2245 set doc_path [file join $doc_path Documentation index.html]
2246
2247 if {[is_Cygwin]} {
2248         set doc_path [exec cygpath --mixed $doc_path]
2249 }
2250
2251 if {$browser eq {}} {
2252         if {[is_MacOSX]} {
2253                 set browser open
2254         } elseif {[is_Cygwin]} {
2255                 set program_files [file dirname [exec cygpath --windir]]
2256                 set program_files [file join $program_files {Program Files}]
2257                 set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
2258                 set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
2259                 if {[file exists $firefox]} {
2260                         set browser $firefox
2261                 } elseif {[file exists $ie]} {
2262                         set browser $ie
2263                 }
2264                 unset program_files firefox ie
2265         }
2266 }
2267
2268 if {[file isfile $doc_path]} {
2269         set doc_url "file:$doc_path"
2270 } else {
2271         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2272 }
2273
2274 if {$browser ne {}} {
2275         .mbar.help add command -label [mc "Online Documentation"] \
2276                 -command [list exec $browser $doc_url &]
2277 }
2278 unset browser doc_path doc_url
2279
2280 # -- Standard bindings
2281 #
2282 wm protocol . WM_DELETE_WINDOW do_quit
2283 bind all <$M1B-Key-q> do_quit
2284 bind all <$M1B-Key-Q> do_quit
2285 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2286 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2287
2288 set subcommand_args {}
2289 proc usage {} {
2290         puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2291         exit 1
2292 }
2293
2294 # -- Not a normal commit type invocation?  Do that instead!
2295 #
2296 switch -- $subcommand {
2297 browser -
2298 blame {
2299         if {$subcommand eq "blame"} {
2300                 set subcommand_args {[--line=<num>] rev? path}
2301         } else {
2302                 set subcommand_args {rev? path}
2303         }
2304         if {$argv eq {}} usage
2305         set head {}
2306         set path {}
2307         set jump_spec {}
2308         set is_path 0
2309         foreach a $argv {
2310                 if {$is_path || [file exists $_prefix$a]} {
2311                         if {$path ne {}} usage
2312                         set path $_prefix$a
2313                         break
2314                 } elseif {$a eq {--}} {
2315                         if {$path ne {}} {
2316                                 if {$head ne {}} usage
2317                                 set head $path
2318                                 set path {}
2319                         }
2320                         set is_path 1
2321                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2322                         if {$jump_spec ne {} || $head ne {}} usage
2323                         set jump_spec [list $lnum]
2324                 } elseif {$head eq {}} {
2325                         if {$head ne {}} usage
2326                         set head $a
2327                         set is_path 1
2328                 } else {
2329                         usage
2330                 }
2331         }
2332         unset is_path
2333
2334         if {$head ne {} && $path eq {}} {
2335                 set path $_prefix$head
2336                 set head {}
2337         }
2338
2339         if {$head eq {}} {
2340                 load_current_branch
2341         } else {
2342                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2343                         if {[catch {
2344                                         set head [git rev-parse --verify $head]
2345                                 } err]} {
2346                                 puts stderr $err
2347                                 exit 1
2348                         }
2349                 }
2350                 set current_branch $head
2351         }
2352
2353         switch -- $subcommand {
2354         browser {
2355                 if {$jump_spec ne {}} usage
2356                 if {$head eq {}} {
2357                         if {$path ne {} && [file isdirectory $path]} {
2358                                 set head $current_branch
2359                         } else {
2360                                 set head $path
2361                                 set path {}
2362                         }
2363                 }
2364                 browser::new $head $path
2365         }
2366         blame   {
2367                 if {$head eq {} && ![file exists $path]} {
2368                         puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2369                         exit 1
2370                 }
2371                 blame::new $head $path $jump_spec
2372         }
2373         }
2374         return
2375 }
2376 citool -
2377 gui {
2378         if {[llength $argv] != 0} {
2379                 puts -nonewline stderr "usage: $argv0"
2380                 if {$subcommand ne {gui}
2381                         && [file tail $argv0] ne "git-$subcommand"} {
2382                         puts -nonewline stderr " $subcommand"
2383                 }
2384                 puts stderr {}
2385                 exit 1
2386         }
2387         # fall through to setup UI for commits
2388 }
2389 default {
2390         puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2391         exit 1
2392 }
2393 }
2394
2395 # -- Branch Control
2396 #
2397 frame .branch \
2398         -borderwidth 1 \
2399         -relief sunken
2400 label .branch.l1 \
2401         -text [mc "Current Branch:"] \
2402         -anchor w \
2403         -justify left
2404 label .branch.cb \
2405         -textvariable current_branch \
2406         -anchor w \
2407         -justify left
2408 pack .branch.l1 -side left
2409 pack .branch.cb -side left -fill x
2410 pack .branch -side top -fill x
2411
2412 # -- Main Window Layout
2413 #
2414 panedwindow .vpane -orient horizontal
2415 panedwindow .vpane.files -orient vertical
2416 .vpane add .vpane.files -sticky nsew -height 100 -width 200
2417 pack .vpane -anchor n -side top -fill both -expand 1
2418
2419 # -- Index File List
2420 #
2421 frame .vpane.files.index -height 100 -width 200
2422 label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2423         -background lightgreen -foreground black
2424 text $ui_index -background white -foreground black \
2425         -borderwidth 0 \
2426         -width 20 -height 10 \
2427         -wrap none \
2428         -cursor $cursor_ptr \
2429         -xscrollcommand {.vpane.files.index.sx set} \
2430         -yscrollcommand {.vpane.files.index.sy set} \
2431         -state disabled
2432 scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2433 scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2434 pack .vpane.files.index.title -side top -fill x
2435 pack .vpane.files.index.sx -side bottom -fill x
2436 pack .vpane.files.index.sy -side right -fill y
2437 pack $ui_index -side left -fill both -expand 1
2438
2439 # -- Working Directory File List
2440 #
2441 frame .vpane.files.workdir -height 100 -width 200
2442 label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2443         -background lightsalmon -foreground black
2444 text $ui_workdir -background white -foreground black \
2445         -borderwidth 0 \
2446         -width 20 -height 10 \
2447         -wrap none \
2448         -cursor $cursor_ptr \
2449         -xscrollcommand {.vpane.files.workdir.sx set} \
2450         -yscrollcommand {.vpane.files.workdir.sy set} \
2451         -state disabled
2452 scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2453 scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2454 pack .vpane.files.workdir.title -side top -fill x
2455 pack .vpane.files.workdir.sx -side bottom -fill x
2456 pack .vpane.files.workdir.sy -side right -fill y
2457 pack $ui_workdir -side left -fill both -expand 1
2458
2459 .vpane.files add .vpane.files.workdir -sticky nsew
2460 .vpane.files add .vpane.files.index -sticky nsew
2461
2462 foreach i [list $ui_index $ui_workdir] {
2463         rmsel_tag $i
2464         $i tag conf in_diff -background [$i tag cget in_sel -background]
2465 }
2466 unset i
2467
2468 # -- Diff and Commit Area
2469 #
2470 frame .vpane.lower -height 300 -width 400
2471 frame .vpane.lower.commarea
2472 frame .vpane.lower.diff -relief sunken -borderwidth 1
2473 pack .vpane.lower.diff -fill both -expand 1
2474 pack .vpane.lower.commarea -side bottom -fill x
2475 .vpane add .vpane.lower -sticky nsew
2476
2477 # -- Commit Area Buttons
2478 #
2479 frame .vpane.lower.commarea.buttons
2480 label .vpane.lower.commarea.buttons.l -text {} \
2481         -anchor w \
2482         -justify left
2483 pack .vpane.lower.commarea.buttons.l -side top -fill x
2484 pack .vpane.lower.commarea.buttons -side left -fill y
2485
2486 button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2487         -command do_rescan
2488 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2489 lappend disable_on_lock \
2490         {.vpane.lower.commarea.buttons.rescan conf -state}
2491
2492 button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2493         -command do_add_all
2494 pack .vpane.lower.commarea.buttons.incall -side top -fill x
2495 lappend disable_on_lock \
2496         {.vpane.lower.commarea.buttons.incall conf -state}
2497
2498 button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2499         -command do_signoff
2500 pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2501
2502 button .vpane.lower.commarea.buttons.commit -text [mc Commit@@verb] \
2503         -command do_commit
2504 pack .vpane.lower.commarea.buttons.commit -side top -fill x
2505 lappend disable_on_lock \
2506         {.vpane.lower.commarea.buttons.commit conf -state}
2507
2508 button .vpane.lower.commarea.buttons.push -text [mc Push] \
2509         -command do_push_anywhere
2510 pack .vpane.lower.commarea.buttons.push -side top -fill x
2511
2512 # -- Commit Message Buffer
2513 #
2514 frame .vpane.lower.commarea.buffer
2515 frame .vpane.lower.commarea.buffer.header
2516 set ui_comm .vpane.lower.commarea.buffer.t
2517 set ui_coml .vpane.lower.commarea.buffer.header.l
2518 radiobutton .vpane.lower.commarea.buffer.header.new \
2519         -text [mc "New Commit"] \
2520         -command do_select_commit_type \
2521         -variable selected_commit_type \
2522         -value new
2523 lappend disable_on_lock \
2524         [list .vpane.lower.commarea.buffer.header.new conf -state]
2525 radiobutton .vpane.lower.commarea.buffer.header.amend \
2526         -text [mc "Amend Last Commit"] \
2527         -command do_select_commit_type \
2528         -variable selected_commit_type \
2529         -value amend
2530 lappend disable_on_lock \
2531         [list .vpane.lower.commarea.buffer.header.amend conf -state]
2532 label $ui_coml \
2533         -anchor w \
2534         -justify left
2535 proc trace_commit_type {varname args} {
2536         global ui_coml commit_type
2537         switch -glob -- $commit_type {
2538         initial       {set txt [mc "Initial Commit Message:"]}
2539         amend         {set txt [mc "Amended Commit Message:"]}
2540         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2541         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2542         merge         {set txt [mc "Merge Commit Message:"]}
2543         *             {set txt [mc "Commit Message:"]}
2544         }
2545         $ui_coml conf -text $txt
2546 }
2547 trace add variable commit_type write trace_commit_type
2548 pack $ui_coml -side left -fill x
2549 pack .vpane.lower.commarea.buffer.header.amend -side right
2550 pack .vpane.lower.commarea.buffer.header.new -side right
2551
2552 text $ui_comm -background white -foreground black \
2553         -borderwidth 1 \
2554         -undo true \
2555         -maxundo 20 \
2556         -autoseparators true \
2557         -relief sunken \
2558         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2559         -font font_diff \
2560         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2561 scrollbar .vpane.lower.commarea.buffer.sby \
2562         -command [list $ui_comm yview]
2563 pack .vpane.lower.commarea.buffer.header -side top -fill x
2564 pack .vpane.lower.commarea.buffer.sby -side right -fill y
2565 pack $ui_comm -side left -fill y
2566 pack .vpane.lower.commarea.buffer -side left -fill y
2567
2568 # -- Commit Message Buffer Context Menu
2569 #
2570 set ctxm .vpane.lower.commarea.buffer.ctxm
2571 menu $ctxm -tearoff 0
2572 $ctxm add command \
2573         -label [mc Cut] \
2574         -command {tk_textCut $ui_comm}
2575 $ctxm add command \
2576         -label [mc Copy] \
2577         -command {tk_textCopy $ui_comm}
2578 $ctxm add command \
2579         -label [mc Paste] \
2580         -command {tk_textPaste $ui_comm}
2581 $ctxm add command \
2582         -label [mc Delete] \
2583         -command {$ui_comm delete sel.first sel.last}
2584 $ctxm add separator
2585 $ctxm add command \
2586         -label [mc "Select All"] \
2587         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2588 $ctxm add command \
2589         -label [mc "Copy All"] \
2590         -command {
2591                 $ui_comm tag add sel 0.0 end
2592                 tk_textCopy $ui_comm
2593                 $ui_comm tag remove sel 0.0 end
2594         }
2595 $ctxm add separator
2596 $ctxm add command \
2597         -label [mc "Sign Off"] \
2598         -command do_signoff
2599 set ui_comm_ctxm $ctxm
2600
2601 # -- Diff Header
2602 #
2603 proc trace_current_diff_path {varname args} {
2604         global current_diff_path diff_actions file_states
2605         if {$current_diff_path eq {}} {
2606                 set s {}
2607                 set f {}
2608                 set p {}
2609                 set o disabled
2610         } else {
2611                 set p $current_diff_path
2612                 set s [mapdesc [lindex $file_states($p) 0] $p]
2613                 set f [mc "File:"]
2614                 set p [escape_path $p]
2615                 set o normal
2616         }
2617
2618         .vpane.lower.diff.header.status configure -text $s
2619         .vpane.lower.diff.header.file configure -text $f
2620         .vpane.lower.diff.header.path configure -text $p
2621         foreach w $diff_actions {
2622                 uplevel #0 $w $o
2623         }
2624 }
2625 trace add variable current_diff_path write trace_current_diff_path
2626
2627 frame .vpane.lower.diff.header -background gold
2628 label .vpane.lower.diff.header.status \
2629         -background gold \
2630         -foreground black \
2631         -width $max_status_desc \
2632         -anchor w \
2633         -justify left
2634 label .vpane.lower.diff.header.file \
2635         -background gold \
2636         -foreground black \
2637         -anchor w \
2638         -justify left
2639 label .vpane.lower.diff.header.path \
2640         -background gold \
2641         -foreground black \
2642         -anchor w \
2643         -justify left
2644 pack .vpane.lower.diff.header.status -side left
2645 pack .vpane.lower.diff.header.file -side left
2646 pack .vpane.lower.diff.header.path -fill x
2647 set ctxm .vpane.lower.diff.header.ctxm
2648 menu $ctxm -tearoff 0
2649 $ctxm add command \
2650         -label [mc Copy] \
2651         -command {
2652                 clipboard clear
2653                 clipboard append \
2654                         -format STRING \
2655                         -type STRING \
2656                         -- $current_diff_path
2657         }
2658 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2659 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
2660
2661 # -- Diff Body
2662 #
2663 frame .vpane.lower.diff.body
2664 set ui_diff .vpane.lower.diff.body.t
2665 text $ui_diff -background white -foreground black \
2666         -borderwidth 0 \
2667         -width 80 -height 15 -wrap none \
2668         -font font_diff \
2669         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2670         -yscrollcommand {.vpane.lower.diff.body.sby set} \
2671         -state disabled
2672 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2673         -command [list $ui_diff xview]
2674 scrollbar .vpane.lower.diff.body.sby -orient vertical \
2675         -command [list $ui_diff yview]
2676 pack .vpane.lower.diff.body.sbx -side bottom -fill x
2677 pack .vpane.lower.diff.body.sby -side right -fill y
2678 pack $ui_diff -side left -fill both -expand 1
2679 pack .vpane.lower.diff.header -side top -fill x
2680 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2681
2682 $ui_diff tag conf d_cr -elide true
2683 $ui_diff tag conf d_@ -foreground blue -font font_diffbold
2684 $ui_diff tag conf d_+ -foreground {#00a000}
2685 $ui_diff tag conf d_- -foreground red
2686
2687 $ui_diff tag conf d_++ -foreground {#00a000}
2688 $ui_diff tag conf d_-- -foreground red
2689 $ui_diff tag conf d_+s \
2690         -foreground {#00a000} \
2691         -background {#e2effa}
2692 $ui_diff tag conf d_-s \
2693         -foreground red \
2694         -background {#e2effa}
2695 $ui_diff tag conf d_s+ \
2696         -foreground {#00a000} \
2697         -background ivory1
2698 $ui_diff tag conf d_s- \
2699         -foreground red \
2700         -background ivory1
2701
2702 $ui_diff tag conf d<<<<<<< \
2703         -foreground orange \
2704         -font font_diffbold
2705 $ui_diff tag conf d======= \
2706         -foreground orange \
2707         -font font_diffbold
2708 $ui_diff tag conf d>>>>>>> \
2709         -foreground orange \
2710         -font font_diffbold
2711
2712 $ui_diff tag raise sel
2713
2714 # -- Diff Body Context Menu
2715 #
2716 set ctxm .vpane.lower.diff.body.ctxm
2717 menu $ctxm -tearoff 0
2718 $ctxm add command \
2719         -label [mc "Apply/Reverse Hunk"] \
2720         -command {apply_hunk $cursorX $cursorY}
2721 set ui_diff_applyhunk [$ctxm index last]
2722 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
2723 $ctxm add command \
2724         -label [mc "Apply/Reverse Line"] \
2725         -command {apply_line $cursorX $cursorY; do_rescan}
2726 set ui_diff_applyline [$ctxm index last]
2727 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
2728 $ctxm add separator
2729 $ctxm add command \
2730         -label [mc "Show Less Context"] \
2731         -command show_less_context
2732 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2733 $ctxm add command \
2734         -label [mc "Show More Context"] \
2735         -command show_more_context
2736 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2737 $ctxm add separator
2738 $ctxm add command \
2739         -label [mc Refresh] \
2740         -command reshow_diff
2741 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2742 $ctxm add command \
2743         -label [mc Copy] \
2744         -command {tk_textCopy $ui_diff}
2745 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2746 $ctxm add command \
2747         -label [mc "Select All"] \
2748         -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
2749 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2750 $ctxm add command \
2751         -label [mc "Copy All"] \
2752         -command {
2753                 $ui_diff tag add sel 0.0 end
2754                 tk_textCopy $ui_diff
2755                 $ui_diff tag remove sel 0.0 end
2756         }
2757 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2758 $ctxm add separator
2759 $ctxm add command \
2760         -label [mc "Decrease Font Size"] \
2761         -command {incr_font_size font_diff -1}
2762 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2763 $ctxm add command \
2764         -label [mc "Increase Font Size"] \
2765         -command {incr_font_size font_diff 1}
2766 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2767 $ctxm add separator
2768 $ctxm add command -label [mc "Options..."] \
2769         -command do_options
2770 proc popup_diff_menu {ctxm x y X Y} {
2771         global current_diff_path file_states
2772         set ::cursorX $x
2773         set ::cursorY $y
2774         if {$::ui_index eq $::current_diff_side} {
2775                 set l [mc "Unstage Hunk From Commit"]
2776                 set t [mc "Unstage Line From Commit"]
2777         } else {
2778                 set l [mc "Stage Hunk For Commit"]
2779                 set t [mc "Stage Line For Commit"]
2780         }
2781         if {$::is_3way_diff
2782                 || $current_diff_path eq {}
2783                 || ![info exists file_states($current_diff_path)]
2784                 || {_O} eq [lindex $file_states($current_diff_path) 0]
2785                 || {_T} eq [lindex $file_states($current_diff_path) 0]
2786                 || {T_} eq [lindex $file_states($current_diff_path) 0]} {
2787                 set s disabled
2788         } else {
2789                 set s normal
2790         }
2791         $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
2792         $ctxm entryconf $::ui_diff_applyline -state $s -label $t
2793         tk_popup $ctxm $X $Y
2794 }
2795 bind_button3 $ui_diff [list popup_diff_menu $ctxm %x %y %X %Y]
2796
2797 # -- Status Bar
2798 #
2799 set main_status [::status_bar::new .status]
2800 pack .status -anchor w -side bottom -fill x
2801 $main_status show [mc "Initializing..."]
2802
2803 # -- Load geometry
2804 #
2805 catch {
2806 set gm $repo_config(gui.geometry)
2807 wm geometry . [lindex $gm 0]
2808 .vpane sash place 0 \
2809         [lindex $gm 1] \
2810         [lindex [.vpane sash coord 0] 1]
2811 .vpane.files sash place 0 \
2812         [lindex [.vpane.files sash coord 0] 0] \
2813         [lindex $gm 2]
2814 unset gm
2815 }
2816
2817 # -- Key Bindings
2818 #
2819 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
2820 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
2821 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
2822 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
2823 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
2824 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
2825 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
2826 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
2827 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
2828 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
2829 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
2830 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2831 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2832 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
2833 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
2834 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
2835 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
2836 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
2837
2838 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
2839 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
2840 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
2841 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
2842 bind $ui_diff <$M1B-Key-v> {break}
2843 bind $ui_diff <$M1B-Key-V> {break}
2844 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2845 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2846 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
2847 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
2848 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
2849 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
2850 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
2851 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
2852 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
2853 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
2854 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
2855 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
2856 bind $ui_diff <Button-1>   {focus %W}
2857
2858 if {[is_enabled branch]} {
2859         bind . <$M1B-Key-n> branch_create::dialog
2860         bind . <$M1B-Key-N> branch_create::dialog
2861         bind . <$M1B-Key-o> branch_checkout::dialog
2862         bind . <$M1B-Key-O> branch_checkout::dialog
2863         bind . <$M1B-Key-m> merge::dialog
2864         bind . <$M1B-Key-M> merge::dialog
2865 }
2866 if {[is_enabled transport]} {
2867         bind . <$M1B-Key-p> do_push_anywhere
2868         bind . <$M1B-Key-P> do_push_anywhere
2869 }
2870
2871 bind .   <Key-F5>     do_rescan
2872 bind .   <$M1B-Key-r> do_rescan
2873 bind .   <$M1B-Key-R> do_rescan
2874 bind .   <$M1B-Key-s> do_signoff
2875 bind .   <$M1B-Key-S> do_signoff
2876 bind .   <$M1B-Key-t> do_add_selection
2877 bind .   <$M1B-Key-T> do_add_selection
2878 bind .   <$M1B-Key-i> do_add_all
2879 bind .   <$M1B-Key-I> do_add_all
2880 bind .   <$M1B-Key-minus> {show_less_context;break}
2881 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
2882 bind .   <$M1B-Key-equal> {show_more_context;break}
2883 bind .   <$M1B-Key-plus> {show_more_context;break}
2884 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
2885 bind .   <$M1B-Key-Return> do_commit
2886 foreach i [list $ui_index $ui_workdir] {
2887         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
2888         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
2889         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
2890 }
2891 unset i
2892
2893 set file_lists($ui_index) [list]
2894 set file_lists($ui_workdir) [list]
2895
2896 wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
2897 focus -force $ui_comm
2898
2899 # -- Warn the user about environmental problems.  Cygwin's Tcl
2900 #    does *not* pass its env array onto any processes it spawns.
2901 #    This means that git processes get none of our environment.
2902 #
2903 if {[is_Cygwin]} {
2904         set ignored_env 0
2905         set suggest_user {}
2906         set msg [mc "Possible environment issues exist.
2907
2908 The following environment variables are probably
2909 going to be ignored by any Git subprocess run
2910 by %s:
2911
2912 " [appname]]
2913         foreach name [array names env] {
2914                 switch -regexp -- $name {
2915                 {^GIT_INDEX_FILE$} -
2916                 {^GIT_OBJECT_DIRECTORY$} -
2917                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
2918                 {^GIT_DIFF_OPTS$} -
2919                 {^GIT_EXTERNAL_DIFF$} -
2920                 {^GIT_PAGER$} -
2921                 {^GIT_TRACE$} -
2922                 {^GIT_CONFIG$} -
2923                 {^GIT_CONFIG_LOCAL$} -
2924                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
2925                         append msg " - $name\n"
2926                         incr ignored_env
2927                 }
2928                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
2929                         append msg " - $name\n"
2930                         incr ignored_env
2931                         set suggest_user $name
2932                 }
2933                 }
2934         }
2935         if {$ignored_env > 0} {
2936                 append msg [mc "
2937 This is due to a known issue with the
2938 Tcl binary distributed by Cygwin."]
2939
2940                 if {$suggest_user ne {}} {
2941                         append msg [mc "
2942
2943 A good replacement for %s
2944 is placing values for the user.name and
2945 user.email settings into your personal
2946 ~/.gitconfig file.
2947 " $suggest_user]
2948                 }
2949                 warn_popup $msg
2950         }
2951         unset ignored_env msg suggest_user name
2952 }
2953
2954 # -- Only initialize complex UI if we are going to stay running.
2955 #
2956 if {[is_enabled transport]} {
2957         load_all_remotes
2958
2959         set n [.mbar.remote index end]
2960         populate_push_menu
2961         populate_fetch_menu
2962         set n [expr {[.mbar.remote index end] - $n}]
2963         if {$n > 0} {
2964                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
2965                 .mbar.remote insert $n separator
2966         }
2967         unset n
2968 }
2969
2970 if {[winfo exists $ui_comm]} {
2971         set GITGUI_BCK_exists [load_message GITGUI_BCK]
2972
2973         # -- If both our backup and message files exist use the
2974         #    newer of the two files to initialize the buffer.
2975         #
2976         if {$GITGUI_BCK_exists} {
2977                 set m [gitdir GITGUI_MSG]
2978                 if {[file isfile $m]} {
2979                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
2980                                 catch {file delete [gitdir GITGUI_MSG]}
2981                         } else {
2982                                 $ui_comm delete 0.0 end
2983                                 $ui_comm edit reset
2984                                 $ui_comm edit modified false
2985                                 catch {file delete [gitdir GITGUI_BCK]}
2986                                 set GITGUI_BCK_exists 0
2987                         }
2988                 }
2989                 unset m
2990         }
2991
2992         proc backup_commit_buffer {} {
2993                 global ui_comm GITGUI_BCK_exists
2994
2995                 set m [$ui_comm edit modified]
2996                 if {$m || $GITGUI_BCK_exists} {
2997                         set msg [string trim [$ui_comm get 0.0 end]]
2998                         regsub -all -line {[ \r\t]+$} $msg {} msg
2999
3000                         if {$msg eq {}} {
3001                                 if {$GITGUI_BCK_exists} {
3002                                         catch {file delete [gitdir GITGUI_BCK]}
3003                                         set GITGUI_BCK_exists 0
3004                                 }
3005                         } elseif {$m} {
3006                                 catch {
3007                                         set fd [open [gitdir GITGUI_BCK] w]
3008                                         puts -nonewline $fd $msg
3009                                         close $fd
3010                                         set GITGUI_BCK_exists 1
3011                                 }
3012                         }
3013
3014                         $ui_comm edit modified false
3015                 }
3016
3017                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3018         }
3019
3020         backup_commit_buffer
3021
3022         # -- If the user has aspell available we can drive it
3023         #    in pipe mode to spellcheck the commit message.
3024         #
3025         set spell_cmd [list |]
3026         set spell_dict [get_config gui.spellingdictionary]
3027         lappend spell_cmd aspell
3028         if {$spell_dict ne {}} {
3029                 lappend spell_cmd --master=$spell_dict
3030         }
3031         lappend spell_cmd --mode=none
3032         lappend spell_cmd --encoding=utf-8
3033         lappend spell_cmd pipe
3034         if {$spell_dict eq {none}
3035          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3036                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3037         } else {
3038                 set ui_comm_spell [spellcheck::init \
3039                         $spell_fd \
3040                         $ui_comm \
3041                         $ui_comm_ctxm \
3042                 ]
3043         }
3044         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3045 }
3046
3047 lock_index begin-read
3048 if {![winfo ismapped .]} {
3049         wm deiconify .
3050 }
3051 after 1 do_rescan
3052 if {[is_enabled multicommit]} {
3053         after 1000 hint_gc
3054 }