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