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