git-gui/git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3  if test "z$*" = zversion \
   4  || test "z$*" = z--version; \
   5  then \
   6         echo 'git-gui version @@GITGUI_VERSION@@'; \
   7         exit; \
   8  fi; \
   9  argv0=$0; \
  10  exec wish "$argv0" -- "$@"
  11
  12 set appvers {@@GITGUI_VERSION@@}
  13 set copyright [encoding convertfrom utf-8 {
  14 Copyright © 2006, 2007 Shawn Pearce, et. al.
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License as published by
  18 the Free Software Foundation; either version 2 of the License, or
  19 (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30 ######################################################################
  31 ##
  32 ## Tcl/Tk sanity check
  33
  34 if {[catch {package require Tcl 8.4} err]
  35  || [catch {package require Tk  8.4} err]
  36 } {
  37         catch {wm withdraw .}
  38         tk_messageBox \
  39                 -icon error \
  40                 -type ok \
  41                 -title [mc "git-gui: fatal error"] \
  42                 -message $err
  43         exit 1
  44 }
  45
  46 catch {rename send {}} ; # What an evil concept...
  47
  48 ######################################################################
  49 ##
  50 ## locate our library
  51
  52 set oguilib {@@GITGUI_LIBDIR@@}
  53 set oguirel {@@GITGUI_RELATIVE@@}
  54 if {$oguirel eq {1}} {
  55         set oguilib [file dirname [file normalize $argv0]]
  56         if {[file tail $oguilib] eq {git-core}} {
  57                 set oguilib [file dirname $oguilib]
  58         }
  59         set oguilib [file dirname $oguilib]
  60         set oguilib [file join $oguilib share git-gui lib]
  61         set oguimsg [file join $oguilib msgs]
  62 } elseif {[string match @@* $oguirel]} {
  63         set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64         set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65 } else {
  66         set oguimsg [file join $oguilib msgs]
  67 }
  68 unset oguirel
  69
  70 ######################################################################
  71 ##
  72 ## enable verbose loading?
  73
  74 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75         unset _verbose
  76         rename auto_load real__auto_load
  77         proc auto_load {name args} {
  78                 puts stderr "auto_load $name"
  79                 return [uplevel 1 real__auto_load $name $args]
  80         }
  81         rename source real__source
  82         proc source {name} {
  83                 puts stderr "source    $name"
  84                 uplevel 1 real__source $name
  85         }
  86 }
  87
  88 ######################################################################
  89 ##
  90 ## Internationalization (i18n) through msgcat and gettext. See
  91 ## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  92
  93 package require msgcat
  94
  95 proc _mc_trim {fmt} {
  96         set cmk [string first @@ $fmt]
  97         if {$cmk > 0} {
  98                 return [string range $fmt 0 [expr {$cmk - 1}]]
  99         }
 100         return $fmt
 101 }
 102
 103 proc mc {en_fmt args} {
 104         set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 105         if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 106                 set msg [eval [list format [_mc_trim $en_fmt]] $args]
 107         }
 108         return $msg
 109 }
 110
 111 proc strcat {args} {
 112         return [join $args {}]
 113 }
 114
 115 ::msgcat::mcload $oguimsg
 116 unset oguimsg
 117
 118 ######################################################################
 119 ##
 120 ## read only globals
 121
 122 set _appname {Git Gui}
 123 set _gitdir {}
 124 set _gitexec {}
 125 set _githtmldir {}
 126 set _reponame {}
 127 set _iscygwin {}
 128 set _search_path {}
 129
 130 set _trace [lsearch -exact $argv --trace]
 131 if {$_trace >= 0} {
 132         set argv [lreplace $argv $_trace $_trace]
 133         set _trace 1
 134 } else {
 135         set _trace 0
 136 }
 137
 138 proc appname {} {
 139         global _appname
 140         return $_appname
 141 }
 142
 143 proc gitdir {args} {
 144         global _gitdir
 145         if {$args eq {}} {
 146                 return $_gitdir
 147         }
 148         return [eval [list file join $_gitdir] $args]
 149 }
 150
 151 proc gitexec {args} {
 152         global _gitexec
 153         if {$_gitexec eq {}} {
 154                 if {[catch {set _gitexec [git --exec-path]} err]} {
 155                         error "Git not installed?\n\n$err"
 156                 }
 157                 if {[is_Cygwin]} {
 158                         set _gitexec [exec cygpath \
 159                                 --windows \
 160                                 --absolute \
 161                                 $_gitexec]
 162                 } else {
 163                         set _gitexec [file normalize $_gitexec]
 164                 }
 165         }
 166         if {$args eq {}} {
 167                 return $_gitexec
 168         }
 169         return [eval [list file join $_gitexec] $args]
 170 }
 171
 172 proc githtmldir {args} {
 173         global _githtmldir
 174         if {$_githtmldir eq {}} {
 175                 if {[catch {set _githtmldir [git --html-path]}]} {
 176                         # Git not installed or option not yet supported
 177                         return {}
 178                 }
 179                 if {[is_Cygwin]} {
 180                         set _githtmldir [exec cygpath \
 181                                 --windows \
 182                                 --absolute \
 183                                 $_githtmldir]
 184                 } else {
 185                         set _githtmldir [file normalize $_githtmldir]
 186                 }
 187         }
 188         if {$args eq {}} {
 189                 return $_githtmldir
 190         }
 191         return [eval [list file join $_githtmldir] $args]
 192 }
 193
 194 proc reponame {} {
 195         return $::_reponame
 196 }
 197
 198 proc is_MacOSX {} {
 199         if {[tk windowingsystem] eq {aqua}} {
 200                 return 1
 201         }
 202         return 0
 203 }
 204
 205 proc is_Windows {} {
 206         if {$::tcl_platform(platform) eq {windows}} {
 207                 return 1
 208         }
 209         return 0
 210 }
 211
 212 proc is_Cygwin {} {
 213         global _iscygwin
 214         if {$_iscygwin eq {}} {
 215                 if {$::tcl_platform(platform) eq {windows}} {
 216                         if {[catch {set p [exec cygpath --windir]} err]} {
 217                                 set _iscygwin 0
 218                         } else {
 219                                 set _iscygwin 1
 220                         }
 221                 } else {
 222                         set _iscygwin 0
 223                 }
 224         }
 225         return $_iscygwin
 226 }
 227
 228 proc is_enabled {option} {
 229         global enabled_options
 230         if {[catch {set on $enabled_options($option)}]} {return 0}
 231         return $on
 232 }
 233
 234 proc enable_option {option} {
 235         global enabled_options
 236         set enabled_options($option) 1
 237 }
 238
 239 proc disable_option {option} {
 240         global enabled_options
 241         set enabled_options($option) 0
 242 }
 243
 244 ######################################################################
 245 ##
 246 ## config
 247
 248 proc is_many_config {name} {
 249         switch -glob -- $name {
 250         gui.recentrepo -
 251         remote.*.fetch -
 252         remote.*.push
 253                 {return 1}
 254         *
 255                 {return 0}
 256         }
 257 }
 258
 259 proc is_config_true {name} {
 260         global repo_config
 261         if {[catch {set v $repo_config($name)}]} {
 262                 return 0
 263         } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 264                 return 1
 265         } else {
 266                 return 0
 267         }
 268 }
 269
 270 proc get_config {name} {
 271         global repo_config
 272         if {[catch {set v $repo_config($name)}]} {
 273                 return {}
 274         } else {
 275                 return $v
 276         }
 277 }
 278
 279 ######################################################################
 280 ##
 281 ## handy utils
 282
 283 proc _trace_exec {cmd} {
 284         if {!$::_trace} return
 285         set d {}
 286         foreach v $cmd {
 287                 if {$d ne {}} {
 288                         append d { }
 289                 }
 290                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 291                         set v [sq $v]
 292                 }
 293                 append d $v
 294         }
 295         puts stderr $d
 296 }
 297
 298 proc _git_cmd {name} {
 299         global _git_cmd_path
 300
 301         if {[catch {set v $_git_cmd_path($name)}]} {
 302                 switch -- $name {
 303                   version   -
 304                 --version   -
 305                 --exec-path { return [list $::_git $name] }
 306                 }
 307
 308                 set p [gitexec git-$name$::_search_exe]
 309                 if {[file exists $p]} {
 310                         set v [list $p]
 311                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 312                         # Try to determine what sort of magic will make
 313                         # git-$name go and do its thing, because native
 314                         # Tcl on Windows doesn't know it.
 315                         #
 316                         set p [gitexec git-$name]
 317                         set f [open $p r]
 318                         set s [gets $f]
 319                         close $f
 320
 321                         switch -glob -- [lindex $s 0] {
 322                         #!*sh     { set i sh     }
 323                         #!*perl   { set i perl   }
 324                         #!*python { set i python }
 325                         default   { error "git-$name is not supported: $s" }
 326                         }
 327
 328                         upvar #0 _$i interp
 329                         if {![info exists interp]} {
 330                                 set interp [_which $i]
 331                         }
 332                         if {$interp eq {}} {
 333                                 error "git-$name requires $i (not in PATH)"
 334                         }
 335                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 336                 } else {
 337                         # Assume it is builtin to git somehow and we
 338                         # aren't actually able to see a file for it.
 339                         #
 340                         set v [list $::_git $name]
 341                 }
 342                 set _git_cmd_path($name) $v
 343         }
 344         return $v
 345 }
 346
 347 proc _which {what args} {
 348         global env _search_exe _search_path
 349
 350         if {$_search_path eq {}} {
 351                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 352                         set _search_path [split [exec cygpath \
 353                                 --windows \
 354                                 --path \
 355                                 --absolute \
 356                                 $env(PATH)] {;}]
 357                         set _search_exe .exe
 358                 } elseif {[is_Windows]} {
 359                         set gitguidir [file dirname [info script]]
 360                         regsub -all ";" $gitguidir "\\;" gitguidir
 361                         set env(PATH) "$gitguidir;$env(PATH)"
 362                         set _search_path [split $env(PATH) {;}]
 363                         set _search_exe .exe
 364                 } else {
 365                         set _search_path [split $env(PATH) :]
 366                         set _search_exe {}
 367                 }
 368         }
 369
 370         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 371                 set suffix {}
 372         } else {
 373                 set suffix $_search_exe
 374         }
 375
 376         foreach p $_search_path {
 377                 set p [file join $p $what$suffix]
 378                 if {[file exists $p]} {
 379                         return [file normalize $p]
 380                 }
 381         }
 382         return {}
 383 }
 384
 385 proc _lappend_nice {cmd_var} {
 386         global _nice
 387         upvar $cmd_var cmd
 388
 389         if {![info exists _nice]} {
 390                 set _nice [_which nice]
 391         }
 392         if {$_nice ne {}} {
 393                 lappend cmd $_nice
 394         }
 395 }
 396
 397 proc git {args} {
 398         set opt [list]
 399
 400         while {1} {
 401                 switch -- [lindex $args 0] {
 402                 --nice {
 403                         _lappend_nice opt
 404                 }
 405
 406                 default {
 407                         break
 408                 }
 409
 410                 }
 411
 412                 set args [lrange $args 1 end]
 413         }
 414
 415         set cmdp [_git_cmd [lindex $args 0]]
 416         set args [lrange $args 1 end]
 417
 418         _trace_exec [concat $opt $cmdp $args]
 419         set result [eval exec $opt $cmdp $args]
 420         if {$::_trace} {
 421                 puts stderr "< $result"
 422         }
 423         return $result
 424 }
 425
 426 proc _open_stdout_stderr {cmd} {
 427         _trace_exec $cmd
 428         if {[catch {
 429                         set fd [open [concat [list | ] $cmd] r]
 430                 } err]} {
 431                 if {   [lindex $cmd end] eq {2>@1}
 432                     && $err eq {can not find channel named "1"}
 433                         } {
 434                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 435                         # redirect operator.  Fallback to |& cat for those.
 436                         # The command was not actually started, so its safe
 437                         # to try to start it a second time.
 438                         #
 439                         set fd [open [concat \
 440                                 [list | ] \
 441                                 [lrange $cmd 0 end-1] \
 442                                 [list |& cat] \
 443                                 ] r]
 444                 } else {
 445                         error $err
 446                 }
 447         }
 448         fconfigure $fd -eofchar {}
 449         return $fd
 450 }
 451
 452 proc git_read {args} {
 453         set opt [list]
 454
 455         while {1} {
 456                 switch -- [lindex $args 0] {
 457                 --nice {
 458                         _lappend_nice opt
 459                 }
 460
 461                 --stderr {
 462                         lappend args 2>@1
 463                 }
 464
 465                 default {
 466                         break
 467                 }
 468
 469                 }
 470
 471                 set args [lrange $args 1 end]
 472         }
 473
 474         set cmdp [_git_cmd [lindex $args 0]]
 475         set args [lrange $args 1 end]
 476
 477         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 478 }
 479
 480 proc git_write {args} {
 481         set opt [list]
 482
 483         while {1} {
 484                 switch -- [lindex $args 0] {
 485                 --nice {
 486                         _lappend_nice opt
 487                 }
 488
 489                 default {
 490                         break
 491                 }
 492
 493                 }
 494
 495                 set args [lrange $args 1 end]
 496         }
 497
 498         set cmdp [_git_cmd [lindex $args 0]]
 499         set args [lrange $args 1 end]
 500
 501         _trace_exec [concat $opt $cmdp $args]
 502         return [open [concat [list | ] $opt $cmdp $args] w]
 503 }
 504
 505 proc githook_read {hook_name args} {
 506         set pchook [gitdir hooks $hook_name]
 507         lappend args 2>@1
 508
 509         # On Windows [file executable] might lie so we need to ask
 510         # the shell if the hook is executable.  Yes that's annoying.
 511         #
 512         if {[is_Windows]} {
 513                 upvar #0 _sh interp
 514                 if {![info exists interp]} {
 515                         set interp [_which sh]
 516                 }
 517                 if {$interp eq {}} {
 518                         error "hook execution requires sh (not in PATH)"
 519                 }
 520
 521                 set scr {if test -x "$1";then exec "$@";fi}
 522                 set sh_c [list $interp -c $scr $interp $pchook]
 523                 return [_open_stdout_stderr [concat $sh_c $args]]
 524         }
 525
 526         if {[file executable $pchook]} {
 527                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 528         }
 529
 530         return {}
 531 }
 532
 533 proc kill_file_process {fd} {
 534         set process [pid $fd]
 535
 536         catch {
 537                 if {[is_Windows]} {
 538                         # Use a Cygwin-specific flag to allow killing
 539                         # native Windows processes
 540                         exec kill -f $process
 541                 } else {
 542                         exec kill $process
 543                 }
 544         }
 545 }
 546
 547 proc gitattr {path attr default} {
 548         if {[catch {set r [git check-attr $attr -- $path]}]} {
 549                 set r unspecified
 550         } else {
 551                 set r [join [lrange [split $r :] 2 end] :]
 552                 regsub {^ } $r {} r
 553         }
 554         if {$r eq {unspecified}} {
 555                 return $default
 556         }
 557         return $r
 558 }
 559
 560 proc sq {value} {
 561         regsub -all ' $value "'\\''" value
 562         return "'$value'"
 563 }
 564
 565 proc load_current_branch {} {
 566         global current_branch is_detached
 567
 568         set fd [open [gitdir HEAD] r]
 569         if {[gets $fd ref] < 1} {
 570                 set ref {}
 571         }
 572         close $fd
 573
 574         set pfx {ref: refs/heads/}
 575         set len [string length $pfx]
 576         if {[string equal -length $len $pfx $ref]} {
 577                 # We're on a branch.  It might not exist.  But
 578                 # HEAD looks good enough to be a branch.
 579                 #
 580                 set current_branch [string range $ref $len end]
 581                 set is_detached 0
 582         } else {
 583                 # Assume this is a detached head.
 584                 #
 585                 set current_branch HEAD
 586                 set is_detached 1
 587         }
 588 }
 589
 590 auto_load tk_optionMenu
 591 rename tk_optionMenu real__tkOptionMenu
 592 proc tk_optionMenu {w varName args} {
 593         set m [eval real__tkOptionMenu $w $varName $args]
 594         $m configure -font font_ui
 595         $w configure -font font_ui
 596         return $m
 597 }
 598
 599 proc rmsel_tag {text} {
 600         $text tag conf sel \
 601                 -background [$text cget -background] \
 602                 -foreground [$text cget -foreground] \
 603                 -borderwidth 0
 604         $text tag conf in_sel -background lightgray
 605         bind $text <Motion> break
 606         return $text
 607 }
 608
 609 set root_exists 0
 610 bind . <Visibility> {
 611         bind . <Visibility> {}
 612         set root_exists 1
 613 }
 614
 615 if {[is_Windows]} {
 616         wm iconbitmap . -default $oguilib/git-gui.ico
 617         set ::tk::AlwaysShowSelection 1
 618
 619         # Spoof an X11 display for SSH
 620         if {![info exists env(DISPLAY)]} {
 621                 set env(DISPLAY) :9999
 622         }
 623 } else {
 624         catch {
 625                 image create photo gitlogo -width 16 -height 16
 626
 627                 gitlogo put #33CC33 -to  7  0  9  2
 628                 gitlogo put #33CC33 -to  4  2 12  4
 629                 gitlogo put #33CC33 -to  7  4  9  6
 630                 gitlogo put #CC3333 -to  4  6 12  8
 631                 gitlogo put gray26  -to  4  9  6 10
 632                 gitlogo put gray26  -to  3 10  6 12
 633                 gitlogo put gray26  -to  8  9 13 11
 634                 gitlogo put gray26  -to  8 11 10 12
 635                 gitlogo put gray26  -to 11 11 13 14
 636                 gitlogo put gray26  -to  3 12  5 14
 637                 gitlogo put gray26  -to  5 13
 638                 gitlogo put gray26  -to 10 13
 639                 gitlogo put gray26  -to  4 14 12 15
 640                 gitlogo put gray26  -to  5 15 11 16
 641                 gitlogo redither
 642
 643                 wm iconphoto . -default gitlogo
 644         }
 645 }
 646
 647 ######################################################################
 648 ##
 649 ## config defaults
 650
 651 set cursor_ptr arrow
 652 font create font_diff -family Courier -size 10
 653 font create font_ui
 654 catch {
 655         label .dummy
 656         eval font configure font_ui [font actual [.dummy cget -font]]
 657         destroy .dummy
 658 }
 659
 660 font create font_uiitalic
 661 font create font_uibold
 662 font create font_diffbold
 663 font create font_diffitalic
 664
 665 foreach class {Button Checkbutton Entry Label
 666                 Labelframe Listbox Message
 667                 Radiobutton Spinbox Text} {
 668         option add *$class.font font_ui
 669 }
 670 if {![is_MacOSX]} {
 671         option add *Menu.font font_ui
 672 }
 673 unset class
 674
 675 if {[is_Windows] || [is_MacOSX]} {
 676         option add *Menu.tearOff 0
 677 }
 678
 679 if {[is_MacOSX]} {
 680         set M1B M1
 681         set M1T Cmd
 682 } else {
 683         set M1B Control
 684         set M1T Ctrl
 685 }
 686
 687 proc bind_button3 {w cmd} {
 688         bind $w <Any-Button-3> $cmd
 689         if {[is_MacOSX]} {
 690                 # Mac OS X sends Button-2 on right click through three-button mouse,
 691                 # or through trackpad right-clicking (two-finger touch + click).
 692                 bind $w <Any-Button-2> $cmd
 693                 bind $w <Control-Button-1> $cmd
 694         }
 695 }
 696
 697 proc apply_config {} {
 698         global repo_config font_descs
 699
 700         foreach option $font_descs {
 701                 set name [lindex $option 0]
 702                 set font [lindex $option 1]
 703                 if {[catch {
 704                         set need_weight 1
 705                         foreach {cn cv} $repo_config(gui.$name) {
 706                                 if {$cn eq {-weight}} {
 707                                         set need_weight 0
 708                                 }
 709                                 font configure $font $cn $cv
 710                         }
 711                         if {$need_weight} {
 712                                 font configure $font -weight normal
 713                         }
 714                         } err]} {
 715                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 716                 }
 717                 foreach {cn cv} [font configure $font] {
 718                         font configure ${font}bold $cn $cv
 719                         font configure ${font}italic $cn $cv
 720                 }
 721                 font configure ${font}bold -weight bold
 722                 font configure ${font}italic -slant italic
 723         }
 724 }
 725
 726 set default_config(branch.autosetupmerge) true
 727 set default_config(merge.tool) {}
 728 set default_config(mergetool.keepbackup) true
 729 set default_config(merge.diffstat) true
 730 set default_config(merge.summary) false
 731 set default_config(merge.verbosity) 2
 732 set default_config(user.name) {}
 733 set default_config(user.email) {}
 734
 735 set default_config(gui.encoding) [encoding system]
 736 set default_config(gui.matchtrackingbranch) false
 737 set default_config(gui.pruneduringfetch) false
 738 set default_config(gui.trustmtime) false
 739 set default_config(gui.fastcopyblame) false
 740 set default_config(gui.copyblamethreshold) 40
 741 set default_config(gui.blamehistoryctx) 7
 742 set default_config(gui.diffcontext) 5
 743 set default_config(gui.commitmsgwidth) 75
 744 set default_config(gui.newbranchtemplate) {}
 745 set default_config(gui.spellingdictionary) {}
 746 set default_config(gui.fontui) [font configure font_ui]
 747 set default_config(gui.fontdiff) [font configure font_diff]
 748 set font_descs {
 749         {fontui   font_ui   {mc "Main Font"}}
 750         {fontdiff font_diff {mc "Diff/Console Font"}}
 751 }
 752
 753 ######################################################################
 754 ##
 755 ## find git
 756
 757 set _git  [_which git]
 758 if {$_git eq {}} {
 759         catch {wm withdraw .}
 760         tk_messageBox \
 761                 -icon error \
 762                 -type ok \
 763                 -title [mc "git-gui: fatal error"] \
 764                 -message [mc "Cannot find git in PATH."]
 765         exit 1
 766 }
 767
 768 ######################################################################
 769 ##
 770 ## version check
 771
 772 if {[catch {set _git_version [git --version]} err]} {
 773         catch {wm withdraw .}
 774         tk_messageBox \
 775                 -icon error \
 776                 -type ok \
 777                 -title [mc "git-gui: fatal error"] \
 778                 -message "Cannot determine Git version:
 779
 780 $err
 781
 782 [appname] requires Git 1.5.0 or later."
 783         exit 1
 784 }
 785 if {![regsub {^git version } $_git_version {} _git_version]} {
 786         catch {wm withdraw .}
 787         tk_messageBox \
 788                 -icon error \
 789                 -type ok \
 790                 -title [mc "git-gui: fatal error"] \
 791                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 792         exit 1
 793 }
 794
 795 set _real_git_version $_git_version
 796 regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 797 regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 798 regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 799 regsub {\.GIT$} $_git_version {} _git_version
 800 regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 801
 802 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 803         catch {wm withdraw .}
 804         if {[tk_messageBox \
 805                 -icon warning \
 806                 -type yesno \
 807                 -default no \
 808                 -title "[appname]: warning" \
 809                  -message [mc "Git version cannot be determined.
 810
 811 %s claims it is version '%s'.
 812
 813 %s requires at least Git 1.5.0 or later.
 814
 815 Assume '%s' is version 1.5.0?
 816 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 817                 set _git_version 1.5.0
 818         } else {
 819                 exit 1
 820         }
 821 }
 822 unset _real_git_version
 823
 824 proc git-version {args} {
 825         global _git_version
 826
 827         switch [llength $args] {
 828         0 {
 829                 return $_git_version
 830         }
 831
 832         2 {
 833                 set op [lindex $args 0]
 834                 set vr [lindex $args 1]
 835                 set cm [package vcompare $_git_version $vr]
 836                 return [expr $cm $op 0]
 837         }
 838
 839         4 {
 840                 set type [lindex $args 0]
 841                 set name [lindex $args 1]
 842                 set parm [lindex $args 2]
 843                 set body [lindex $args 3]
 844
 845                 if {($type ne {proc} && $type ne {method})} {
 846                         error "Invalid arguments to git-version"
 847                 }
 848                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 849                         error "Last arm of $type $name must be default"
 850                 }
 851
 852                 foreach {op vr cb} [lrange $body 0 end-2] {
 853                         if {[git-version $op $vr]} {
 854                                 return [uplevel [list $type $name $parm $cb]]
 855                         }
 856                 }
 857
 858                 return [uplevel [list $type $name $parm [lindex $body end]]]
 859         }
 860
 861         default {
 862                 error "git-version >= x"
 863         }
 864
 865         }
 866 }
 867
 868 if {[git-version < 1.5]} {
 869         catch {wm withdraw .}
 870         tk_messageBox \
 871                 -icon error \
 872                 -type ok \
 873                 -title [mc "git-gui: fatal error"] \
 874                 -message "[appname] requires Git 1.5.0 or later.
 875
 876 You are using [git-version]:
 877
 878 [git --version]"
 879         exit 1
 880 }
 881
 882 ######################################################################
 883 ##
 884 ## configure our library
 885
 886 set idx [file join $oguilib tclIndex]
 887 if {[catch {set fd [open $idx r]} err]} {
 888         catch {wm withdraw .}
 889         tk_messageBox \
 890                 -icon error \
 891                 -type ok \
 892                 -title [mc "git-gui: fatal error"] \
 893                 -message $err
 894         exit 1
 895 }
 896 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 897         set idx [list]
 898         while {[gets $fd n] >= 0} {
 899                 if {$n ne {} && ![string match #* $n]} {
 900                         lappend idx $n
 901                 }
 902         }
 903 } else {
 904         set idx {}
 905 }
 906 close $fd
 907
 908 if {$idx ne {}} {
 909         set loaded [list]
 910         foreach p $idx {
 911                 if {[lsearch -exact $loaded $p] >= 0} continue
 912                 source [file join $oguilib $p]
 913                 lappend loaded $p
 914         }
 915         unset loaded p
 916 } else {
 917         set auto_path [concat [list $oguilib] $auto_path]
 918 }
 919 unset -nocomplain idx fd
 920
 921 ######################################################################
 922 ##
 923 ## config file parsing
 924
 925 git-version proc _parse_config {arr_name args} {
 926         >= 1.5.3 {
 927                 upvar $arr_name arr
 928                 array unset arr
 929                 set buf {}
 930                 catch {
 931                         set fd_rc [eval \
 932                                 [list git_read config] \
 933                                 $args \
 934                                 [list --null --list]]
 935                         fconfigure $fd_rc -translation binary
 936                         set buf [read $fd_rc]
 937                         close $fd_rc
 938                 }
 939                 foreach line [split $buf "\0"] {
 940                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 941                                 if {[is_many_config $name]} {
 942                                         lappend arr($name) $value
 943                                 } else {
 944                                         set arr($name) $value
 945                                 }
 946                         }
 947                 }
 948         }
 949         default {
 950                 upvar $arr_name arr
 951                 array unset arr
 952                 catch {
 953                         set fd_rc [eval [list git_read config --list] $args]
 954                         while {[gets $fd_rc line] >= 0} {
 955                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 956                                         if {[is_many_config $name]} {
 957                                                 lappend arr($name) $value
 958                                         } else {
 959                                                 set arr($name) $value
 960                                         }
 961                                 }
 962                         }
 963                         close $fd_rc
 964                 }
 965         }
 966 }
 967
 968 proc load_config {include_global} {
 969         global repo_config global_config system_config default_config
 970
 971         if {$include_global} {
 972                 _parse_config system_config --system
 973                 _parse_config global_config --global
 974         }
 975         _parse_config repo_config
 976
 977         foreach name [array names default_config] {
 978                 if {[catch {set v $system_config($name)}]} {
 979                         set system_config($name) $default_config($name)
 980                 }
 981         }
 982         foreach name [array names system_config] {
 983                 if {[catch {set v $global_config($name)}]} {
 984                         set global_config($name) $system_config($name)
 985                 }
 986                 if {[catch {set v $repo_config($name)}]} {
 987                         set repo_config($name) $system_config($name)
 988                 }
 989         }
 990 }
 991
 992 ######################################################################
 993 ##
 994 ## feature option selection
 995
 996 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 997         unset _junk
 998 } else {
 999         set subcommand gui
1000 }
1001 if {$subcommand eq {gui.sh}} {
1002         set subcommand gui
1003 }
1004 if {$subcommand eq {gui} && [llength $argv] > 0} {
1005         set subcommand [lindex $argv 0]
1006         set argv [lrange $argv 1 end]
1007 }
1008
1009 enable_option multicommit
1010 enable_option branch
1011 enable_option transport
1012 disable_option bare
1013
1014 switch -- $subcommand {
1015 browser -
1016 blame {
1017         enable_option bare
1018
1019         disable_option multicommit
1020         disable_option branch
1021         disable_option transport
1022 }
1023 citool {
1024         enable_option singlecommit
1025         enable_option retcode
1026
1027         disable_option multicommit
1028         disable_option branch
1029         disable_option transport
1030
1031         while {[llength $argv] > 0} {
1032                 set a [lindex $argv 0]
1033                 switch -- $a {
1034                 --amend {
1035                         enable_option initialamend
1036                 }
1037                 --nocommit {
1038                         enable_option nocommit
1039                         enable_option nocommitmsg
1040                 }
1041                 --commitmsg {
1042                         disable_option nocommitmsg
1043                 }
1044                 default {
1045                         break
1046                 }
1047                 }
1048
1049                 set argv [lrange $argv 1 end]
1050         }
1051 }
1052 }
1053
1054 ######################################################################
1055 ##
1056 ## execution environment
1057
1058 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1059
1060 # Suggest our implementation of askpass, if none is set
1061 if {![info exists env(SSH_ASKPASS)]} {
1062         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1063 }
1064
1065 ######################################################################
1066 ##
1067 ## repository setup
1068
1069 set picked 0
1070 if {[catch {
1071                 set _gitdir $env(GIT_DIR)
1072                 set _prefix {}
1073                 }]
1074         && [catch {
1075                 set _gitdir [git rev-parse --git-dir]
1076                 set _prefix [git rev-parse --show-prefix]
1077         } err]} {
1078         load_config 1
1079         apply_config
1080         choose_repository::pick
1081         set picked 1
1082 }
1083 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1084         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1085 }
1086 if {![file isdirectory $_gitdir]} {
1087         catch {wm withdraw .}
1088         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1089         exit 1
1090 }
1091 if {$_prefix ne {}} {
1092         regsub -all {[^/]+/} $_prefix ../ cdup
1093         if {[catch {cd $cdup} err]} {
1094                 catch {wm withdraw .}
1095                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1096                 exit 1
1097         }
1098         unset cdup
1099 } elseif {![is_enabled bare]} {
1100         if {[lindex [file split $_gitdir] end] ne {.git}} {
1101                 catch {wm withdraw .}
1102                 error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1103                 exit 1
1104         }
1105         if {[catch {cd [file dirname $_gitdir]} err]} {
1106                 catch {wm withdraw .}
1107                 error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1108                 exit 1
1109         }
1110 }
1111 set _reponame [file split [file normalize $_gitdir]]
1112 if {[lindex $_reponame end] eq {.git}} {
1113         set _reponame [lindex $_reponame end-1]
1114 } else {
1115         set _reponame [lindex $_reponame end]
1116 }
1117
1118 ######################################################################
1119 ##
1120 ## global init
1121
1122 set current_diff_path {}
1123 set current_diff_side {}
1124 set diff_actions [list]
1125
1126 set HEAD {}
1127 set PARENT {}
1128 set MERGE_HEAD [list]
1129 set commit_type {}
1130 set empty_tree {}
1131 set current_branch {}
1132 set is_detached 0
1133 set current_diff_path {}
1134 set is_3way_diff 0
1135 set is_submodule_diff 0
1136 set is_conflict_diff 0
1137 set selected_commit_type new
1138 set diff_empty_count 0
1139
1140 set nullid "0000000000000000000000000000000000000000"
1141 set nullid2 "0000000000000000000000000000000000000001"
1142
1143 ######################################################################
1144 ##
1145 ## task management
1146
1147 set rescan_active 0
1148 set diff_active 0
1149 set last_clicked {}
1150
1151 set disable_on_lock [list]
1152 set index_lock_type none
1153
1154 proc lock_index {type} {
1155         global index_lock_type disable_on_lock
1156
1157         if {$index_lock_type eq {none}} {
1158                 set index_lock_type $type
1159                 foreach w $disable_on_lock {
1160                         uplevel #0 $w disabled
1161                 }
1162                 return 1
1163         } elseif {$index_lock_type eq "begin-$type"} {
1164                 set index_lock_type $type
1165                 return 1
1166         }
1167         return 0
1168 }
1169
1170 proc unlock_index {} {
1171         global index_lock_type disable_on_lock
1172
1173         set index_lock_type none
1174         foreach w $disable_on_lock {
1175                 uplevel #0 $w normal
1176         }
1177 }
1178
1179 ######################################################################
1180 ##
1181 ## status
1182
1183 proc repository_state {ctvar hdvar mhvar} {
1184         global current_branch
1185         upvar $ctvar ct $hdvar hd $mhvar mh
1186
1187         set mh [list]
1188
1189         load_current_branch
1190         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1191                 set hd {}
1192                 set ct initial
1193                 return
1194         }
1195
1196         set merge_head [gitdir MERGE_HEAD]
1197         if {[file exists $merge_head]} {
1198                 set ct merge
1199                 set fd_mh [open $merge_head r]
1200                 while {[gets $fd_mh line] >= 0} {
1201                         lappend mh $line
1202                 }
1203                 close $fd_mh
1204                 return
1205         }
1206
1207         set ct normal
1208 }
1209
1210 proc PARENT {} {
1211         global PARENT empty_tree
1212
1213         set p [lindex $PARENT 0]
1214         if {$p ne {}} {
1215                 return $p
1216         }
1217         if {$empty_tree eq {}} {
1218                 set empty_tree [git mktree << {}]
1219         }
1220         return $empty_tree
1221 }
1222
1223 proc force_amend {} {
1224         global selected_commit_type
1225         global HEAD PARENT MERGE_HEAD commit_type
1226
1227         repository_state newType newHEAD newMERGE_HEAD
1228         set HEAD $newHEAD
1229         set PARENT $newHEAD
1230         set MERGE_HEAD $newMERGE_HEAD
1231         set commit_type $newType
1232
1233         set selected_commit_type amend
1234         do_select_commit_type
1235 }
1236
1237 proc rescan {after {honor_trustmtime 1}} {
1238         global HEAD PARENT MERGE_HEAD commit_type
1239         global ui_index ui_workdir ui_comm
1240         global rescan_active file_states
1241         global repo_config
1242
1243         if {$rescan_active > 0 || ![lock_index read]} return
1244
1245         repository_state newType newHEAD newMERGE_HEAD
1246         if {[string match amend* $commit_type]
1247                 && $newType eq {normal}
1248                 && $newHEAD eq $HEAD} {
1249         } else {
1250                 set HEAD $newHEAD
1251                 set PARENT $newHEAD
1252                 set MERGE_HEAD $newMERGE_HEAD
1253                 set commit_type $newType
1254         }
1255
1256         array unset file_states
1257
1258         if {!$::GITGUI_BCK_exists &&
1259                 (![$ui_comm edit modified]
1260                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1261                 if {[string match amend* $commit_type]} {
1262                 } elseif {[load_message GITGUI_MSG]} {
1263                 } elseif {[run_prepare_commit_msg_hook]} {
1264                 } elseif {[load_message MERGE_MSG]} {
1265                 } elseif {[load_message SQUASH_MSG]} {
1266                 }
1267                 $ui_comm edit reset
1268                 $ui_comm edit modified false
1269         }
1270
1271         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1272                 rescan_stage2 {} $after
1273         } else {
1274                 set rescan_active 1
1275                 ui_status [mc "Refreshing file status..."]
1276                 set fd_rf [git_read update-index \
1277                         -q \
1278                         --unmerged \
1279                         --ignore-missing \
1280                         --refresh \
1281                         ]
1282                 fconfigure $fd_rf -blocking 0 -translation binary
1283                 fileevent $fd_rf readable \
1284                         [list rescan_stage2 $fd_rf $after]
1285         }
1286 }
1287
1288 if {[is_Cygwin]} {
1289         set is_git_info_exclude {}
1290         proc have_info_exclude {} {
1291                 global is_git_info_exclude
1292
1293                 if {$is_git_info_exclude eq {}} {
1294                         if {[catch {exec test -f [gitdir info exclude]}]} {
1295                                 set is_git_info_exclude 0
1296                         } else {
1297                                 set is_git_info_exclude 1
1298                         }
1299                 }
1300                 return $is_git_info_exclude
1301         }
1302 } else {
1303         proc have_info_exclude {} {
1304                 return [file readable [gitdir info exclude]]
1305         }
1306 }
1307
1308 proc rescan_stage2 {fd after} {
1309         global rescan_active buf_rdi buf_rdf buf_rlo
1310
1311         if {$fd ne {}} {
1312                 read $fd
1313                 if {![eof $fd]} return
1314                 close $fd
1315         }
1316
1317         set ls_others [list --exclude-per-directory=.gitignore]
1318         if {[have_info_exclude]} {
1319                 lappend ls_others "--exclude-from=[gitdir info exclude]"
1320         }
1321         set user_exclude [get_config core.excludesfile]
1322         if {$user_exclude ne {} && [file readable $user_exclude]} {
1323                 lappend ls_others "--exclude-from=$user_exclude"
1324         }
1325
1326         set buf_rdi {}
1327         set buf_rdf {}
1328         set buf_rlo {}
1329
1330         set rescan_active 3
1331         ui_status [mc "Scanning for modified files ..."]
1332         set fd_di [git_read diff-index --cached -z [PARENT]]
1333         set fd_df [git_read diff-files -z]
1334         set fd_lo [eval git_read ls-files --others -z $ls_others]
1335
1336         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1337         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1338         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1339         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1340         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1341         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1342 }
1343
1344 proc load_message {file} {
1345         global ui_comm
1346
1347         set f [gitdir $file]
1348         if {[file isfile $f]} {
1349                 if {[catch {set fd [open $f r]}]} {
1350                         return 0
1351                 }
1352                 fconfigure $fd -eofchar {}
1353                 set content [string trim [read $fd]]
1354                 close $fd
1355                 regsub -all -line {[ \r\t]+$} $content {} content
1356                 $ui_comm delete 0.0 end
1357                 $ui_comm insert end $content
1358                 return 1
1359         }
1360         return 0
1361 }
1362
1363 proc run_prepare_commit_msg_hook {} {
1364         global pch_error
1365
1366         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1367         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1368         # empty file but existant file.
1369
1370         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1371
1372         if {[file isfile [gitdir MERGE_MSG]]} {
1373                 set pcm_source "merge"
1374                 set fd_mm [open [gitdir MERGE_MSG] r]
1375                 puts -nonewline $fd_pcm [read $fd_mm]
1376                 close $fd_mm
1377         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1378                 set pcm_source "squash"
1379                 set fd_sm [open [gitdir SQUASH_MSG] r]
1380                 puts -nonewline $fd_pcm [read $fd_sm]
1381                 close $fd_sm
1382         } else {
1383                 set pcm_source ""
1384         }
1385
1386         close $fd_pcm
1387
1388         set fd_ph [githook_read prepare-commit-msg \
1389                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1390         if {$fd_ph eq {}} {
1391                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1392                 return 0;
1393         }
1394
1395         ui_status [mc "Calling prepare-commit-msg hook..."]
1396         set pch_error {}
1397
1398         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1399         fileevent $fd_ph readable \
1400                 [list prepare_commit_msg_hook_wait $fd_ph]
1401
1402         return 1;
1403 }
1404
1405 proc prepare_commit_msg_hook_wait {fd_ph} {
1406         global pch_error
1407
1408         append pch_error [read $fd_ph]
1409         fconfigure $fd_ph -blocking 1
1410         if {[eof $fd_ph]} {
1411                 if {[catch {close $fd_ph}]} {
1412                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1413                         hook_failed_popup prepare-commit-msg $pch_error
1414                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1415                         exit 1
1416                 } else {
1417                         load_message PREPARE_COMMIT_MSG
1418                 }
1419                 set pch_error {}
1420                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1421                 return
1422         }
1423         fconfigure $fd_ph -blocking 0
1424         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1425 }
1426
1427 proc read_diff_index {fd after} {
1428         global buf_rdi
1429
1430         append buf_rdi [read $fd]
1431         set c 0
1432         set n [string length $buf_rdi]
1433         while {$c < $n} {
1434                 set z1 [string first "\0" $buf_rdi $c]
1435                 if {$z1 == -1} break
1436                 incr z1
1437                 set z2 [string first "\0" $buf_rdi $z1]
1438                 if {$z2 == -1} break
1439
1440                 incr c
1441                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1442                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1443                 merge_state \
1444                         [encoding convertfrom $p] \
1445                         [lindex $i 4]? \
1446                         [list [lindex $i 0] [lindex $i 2]] \
1447                         [list]
1448                 set c $z2
1449                 incr c
1450         }
1451         if {$c < $n} {
1452                 set buf_rdi [string range $buf_rdi $c end]
1453         } else {
1454                 set buf_rdi {}
1455         }
1456
1457         rescan_done $fd buf_rdi $after
1458 }
1459
1460 proc read_diff_files {fd after} {
1461         global buf_rdf
1462
1463         append buf_rdf [read $fd]
1464         set c 0
1465         set n [string length $buf_rdf]
1466         while {$c < $n} {
1467                 set z1 [string first "\0" $buf_rdf $c]
1468                 if {$z1 == -1} break
1469                 incr z1
1470                 set z2 [string first "\0" $buf_rdf $z1]
1471                 if {$z2 == -1} break
1472
1473                 incr c
1474                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1475                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1476                 merge_state \
1477                         [encoding convertfrom $p] \
1478                         ?[lindex $i 4] \
1479                         [list] \
1480                         [list [lindex $i 0] [lindex $i 2]]
1481                 set c $z2
1482                 incr c
1483         }
1484         if {$c < $n} {
1485                 set buf_rdf [string range $buf_rdf $c end]
1486         } else {
1487                 set buf_rdf {}
1488         }
1489
1490         rescan_done $fd buf_rdf $after
1491 }
1492
1493 proc read_ls_others {fd after} {
1494         global buf_rlo
1495
1496         append buf_rlo [read $fd]
1497         set pck [split $buf_rlo "\0"]
1498         set buf_rlo [lindex $pck end]
1499         foreach p [lrange $pck 0 end-1] {
1500                 set p [encoding convertfrom $p]
1501                 if {[string index $p end] eq {/}} {
1502                         set p [string range $p 0 end-1]
1503                 }
1504                 merge_state $p ?O
1505         }
1506         rescan_done $fd buf_rlo $after
1507 }
1508
1509 proc rescan_done {fd buf after} {
1510         global rescan_active current_diff_path
1511         global file_states repo_config
1512         upvar $buf to_clear
1513
1514         if {![eof $fd]} return
1515         set to_clear {}
1516         close $fd
1517         if {[incr rescan_active -1] > 0} return
1518
1519         prune_selection
1520         unlock_index
1521         display_all_files
1522         if {$current_diff_path ne {}} { reshow_diff $after }
1523         if {$current_diff_path eq {}} { select_first_diff $after }
1524 }
1525
1526 proc prune_selection {} {
1527         global file_states selected_paths
1528
1529         foreach path [array names selected_paths] {
1530                 if {[catch {set still_here $file_states($path)}]} {
1531                         unset selected_paths($path)
1532                 }
1533         }
1534 }
1535
1536 ######################################################################
1537 ##
1538 ## ui helpers
1539
1540 proc mapicon {w state path} {
1541         global all_icons
1542
1543         if {[catch {set r $all_icons($state$w)}]} {
1544                 puts "error: no icon for $w state={$state} $path"
1545                 return file_plain
1546         }
1547         return $r
1548 }
1549
1550 proc mapdesc {state path} {
1551         global all_descs
1552
1553         if {[catch {set r $all_descs($state)}]} {
1554                 puts "error: no desc for state={$state} $path"
1555                 return $state
1556         }
1557         return $r
1558 }
1559
1560 proc ui_status {msg} {
1561         global main_status
1562         if {[info exists main_status]} {
1563                 $main_status show $msg
1564         }
1565 }
1566
1567 proc ui_ready {{test {}}} {
1568         global main_status
1569         if {[info exists main_status]} {
1570                 $main_status show [mc "Ready."] $test
1571         }
1572 }
1573
1574 proc escape_path {path} {
1575         regsub -all {\\} $path "\\\\" path
1576         regsub -all "\n" $path "\\n" path
1577         return $path
1578 }
1579
1580 proc short_path {path} {
1581         return [escape_path [lindex [file split $path] end]]
1582 }
1583
1584 set next_icon_id 0
1585 set null_sha1 [string repeat 0 40]
1586
1587 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1588         global file_states next_icon_id null_sha1
1589
1590         set s0 [string index $new_state 0]
1591         set s1 [string index $new_state 1]
1592
1593         if {[catch {set info $file_states($path)}]} {
1594                 set state __
1595                 set icon n[incr next_icon_id]
1596         } else {
1597                 set state [lindex $info 0]
1598                 set icon [lindex $info 1]
1599                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1600                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1601         }
1602
1603         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1604         elseif {$s0 eq {_}} {set s0 _}
1605
1606         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1607         elseif {$s1 eq {_}} {set s1 _}
1608
1609         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1610                 set head_info [list 0 $null_sha1]
1611         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1612                 && $head_info eq {}} {
1613                 set head_info $index_info
1614         }
1615
1616         set file_states($path) [list $s0$s1 $icon \
1617                 $head_info $index_info \
1618                 ]
1619         return $state
1620 }
1621
1622 proc display_file_helper {w path icon_name old_m new_m} {
1623         global file_lists
1624
1625         if {$new_m eq {_}} {
1626                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1627                 if {$lno >= 0} {
1628                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1629                         incr lno
1630                         $w conf -state normal
1631                         $w delete $lno.0 [expr {$lno + 1}].0
1632                         $w conf -state disabled
1633                 }
1634         } elseif {$old_m eq {_} && $new_m ne {_}} {
1635                 lappend file_lists($w) $path
1636                 set file_lists($w) [lsort -unique $file_lists($w)]
1637                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1638                 incr lno
1639                 $w conf -state normal
1640                 $w image create $lno.0 \
1641                         -align center -padx 5 -pady 1 \
1642                         -name $icon_name \
1643                         -image [mapicon $w $new_m $path]
1644                 $w insert $lno.1 "[escape_path $path]\n"
1645                 $w conf -state disabled
1646         } elseif {$old_m ne $new_m} {
1647                 $w conf -state normal
1648                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1649                 $w conf -state disabled
1650         }
1651 }
1652
1653 proc display_file {path state} {
1654         global file_states selected_paths
1655         global ui_index ui_workdir
1656
1657         set old_m [merge_state $path $state]
1658         set s $file_states($path)
1659         set new_m [lindex $s 0]
1660         set icon_name [lindex $s 1]
1661
1662         set o [string index $old_m 0]
1663         set n [string index $new_m 0]
1664         if {$o eq {U}} {
1665                 set o _
1666         }
1667         if {$n eq {U}} {
1668                 set n _
1669         }
1670         display_file_helper     $ui_index $path $icon_name $o $n
1671
1672         if {[string index $old_m 0] eq {U}} {
1673                 set o U
1674         } else {
1675                 set o [string index $old_m 1]
1676         }
1677         if {[string index $new_m 0] eq {U}} {
1678                 set n U
1679         } else {
1680                 set n [string index $new_m 1]
1681         }
1682         display_file_helper     $ui_workdir $path $icon_name $o $n
1683
1684         if {$new_m eq {__}} {
1685                 unset file_states($path)
1686                 catch {unset selected_paths($path)}
1687         }
1688 }
1689
1690 proc display_all_files_helper {w path icon_name m} {
1691         global file_lists
1692
1693         lappend file_lists($w) $path
1694         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1695         $w image create end \
1696                 -align center -padx 5 -pady 1 \
1697                 -name $icon_name \
1698                 -image [mapicon $w $m $path]
1699         $w insert end "[escape_path $path]\n"
1700 }
1701
1702 proc display_all_files {} {
1703         global ui_index ui_workdir
1704         global file_states file_lists
1705         global last_clicked
1706
1707         $ui_index conf -state normal
1708         $ui_workdir conf -state normal
1709
1710         $ui_index delete 0.0 end
1711         $ui_workdir delete 0.0 end
1712         set last_clicked {}
1713
1714         set file_lists($ui_index) [list]
1715         set file_lists($ui_workdir) [list]
1716
1717         foreach path [lsort [array names file_states]] {
1718                 set s $file_states($path)
1719                 set m [lindex $s 0]
1720                 set icon_name [lindex $s 1]
1721
1722                 set s [string index $m 0]
1723                 if {$s ne {U} && $s ne {_}} {
1724                         display_all_files_helper $ui_index $path \
1725                                 $icon_name $s
1726                 }
1727
1728                 if {[string index $m 0] eq {U}} {
1729                         set s U
1730                 } else {
1731                         set s [string index $m 1]
1732                 }
1733                 if {$s ne {_}} {
1734                         display_all_files_helper $ui_workdir $path \
1735                                 $icon_name $s
1736                 }
1737         }
1738
1739         $ui_index conf -state disabled
1740         $ui_workdir conf -state disabled
1741 }
1742
1743 ######################################################################
1744 ##
1745 ## icons
1746
1747 set filemask {
1748 #define mask_width 14
1749 #define mask_height 15
1750 static unsigned char mask_bits[] = {
1751    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1752    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1753    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1754 }
1755
1756 image create bitmap file_plain -background white -foreground black -data {
1757 #define plain_width 14
1758 #define plain_height 15
1759 static unsigned char plain_bits[] = {
1760    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1761    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1762    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1763 } -maskdata $filemask
1764
1765 image create bitmap file_mod -background white -foreground blue -data {
1766 #define mod_width 14
1767 #define mod_height 15
1768 static unsigned char mod_bits[] = {
1769    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1770    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1771    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1772 } -maskdata $filemask
1773
1774 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1775 #define file_fulltick_width 14
1776 #define file_fulltick_height 15
1777 static unsigned char file_fulltick_bits[] = {
1778    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1779    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1780    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1781 } -maskdata $filemask
1782
1783 image create bitmap file_parttick -background white -foreground "#005050" -data {
1784 #define parttick_width 14
1785 #define parttick_height 15
1786 static unsigned char parttick_bits[] = {
1787    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1788    0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1789    0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1790 } -maskdata $filemask
1791
1792 image create bitmap file_question -background white -foreground black -data {
1793 #define file_question_width 14
1794 #define file_question_height 15
1795 static unsigned char file_question_bits[] = {
1796    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1797    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1798    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1799 } -maskdata $filemask
1800
1801 image create bitmap file_removed -background white -foreground red -data {
1802 #define file_removed_width 14
1803 #define file_removed_height 15
1804 static unsigned char file_removed_bits[] = {
1805    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1806    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1807    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1808 } -maskdata $filemask
1809
1810 image create bitmap file_merge -background white -foreground blue -data {
1811 #define file_merge_width 14
1812 #define file_merge_height 15
1813 static unsigned char file_merge_bits[] = {
1814    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1815    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1816    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1817 } -maskdata $filemask
1818
1819 image create bitmap file_statechange -background white -foreground green -data {
1820 #define file_merge_width 14
1821 #define file_merge_height 15
1822 static unsigned char file_statechange_bits[] = {
1823    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1824    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1825    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1826 } -maskdata $filemask
1827
1828 set ui_index .vpane.files.index.list
1829 set ui_workdir .vpane.files.workdir.list
1830
1831 set all_icons(_$ui_index)   file_plain
1832 set all_icons(A$ui_index)   file_fulltick
1833 set all_icons(M$ui_index)   file_fulltick
1834 set all_icons(D$ui_index)   file_removed
1835 set all_icons(U$ui_index)   file_merge
1836 set all_icons(T$ui_index)   file_statechange
1837
1838 set all_icons(_$ui_workdir) file_plain
1839 set all_icons(M$ui_workdir) file_mod
1840 set all_icons(D$ui_workdir) file_question
1841 set all_icons(U$ui_workdir) file_merge
1842 set all_icons(O$ui_workdir) file_plain
1843 set all_icons(T$ui_workdir) file_statechange
1844
1845 set max_status_desc 0
1846 foreach i {
1847                 {__ {mc "Unmodified"}}
1848
1849                 {_M {mc "Modified, not staged"}}
1850                 {M_ {mc "Staged for commit"}}
1851                 {MM {mc "Portions staged for commit"}}
1852                 {MD {mc "Staged for commit, missing"}}
1853
1854                 {_T {mc "File type changed, not staged"}}
1855                 {T_ {mc "File type changed, staged"}}
1856
1857                 {_O {mc "Untracked, not staged"}}
1858                 {A_ {mc "Staged for commit"}}
1859                 {AM {mc "Portions staged for commit"}}
1860                 {AD {mc "Staged for commit, missing"}}
1861
1862                 {_D {mc "Missing"}}
1863                 {D_ {mc "Staged for removal"}}
1864                 {DO {mc "Staged for removal, still present"}}
1865
1866                 {_U {mc "Requires merge resolution"}}
1867                 {U_ {mc "Requires merge resolution"}}
1868                 {UU {mc "Requires merge resolution"}}
1869                 {UM {mc "Requires merge resolution"}}
1870                 {UD {mc "Requires merge resolution"}}
1871                 {UT {mc "Requires merge resolution"}}
1872         } {
1873         set text [eval [lindex $i 1]]
1874         if {$max_status_desc < [string length $text]} {
1875                 set max_status_desc [string length $text]
1876         }
1877         set all_descs([lindex $i 0]) $text
1878 }
1879 unset i
1880
1881 ######################################################################
1882 ##
1883 ## util
1884
1885 proc scrollbar2many {list mode args} {
1886         foreach w $list {eval $w $mode $args}
1887 }
1888
1889 proc many2scrollbar {list mode sb top bottom} {
1890         $sb set $top $bottom
1891         foreach w $list {$w $mode moveto $top}
1892 }
1893
1894 proc incr_font_size {font {amt 1}} {
1895         set sz [font configure $font -size]
1896         incr sz $amt
1897         font configure $font -size $sz
1898         font configure ${font}bold -size $sz
1899         font configure ${font}italic -size $sz
1900 }
1901
1902 ######################################################################
1903 ##
1904 ## ui commands
1905
1906 set starting_gitk_msg [mc "Starting gitk... please wait..."]
1907
1908 proc do_gitk {revs is_submodule} {
1909         global current_diff_path old_submod_sha1 new_submod_sha1
1910
1911         # -- Always start gitk through whatever we were loaded with.  This
1912         #    lets us bypass using shell process on Windows systems.
1913         #
1914         set exe [_which gitk -script]
1915         set cmd [list [info nameofexecutable] $exe]
1916         if {$exe eq {}} {
1917                 error_popup [mc "Couldn't find gitk in PATH"]
1918         } else {
1919                 global env
1920
1921                 if {[info exists env(GIT_DIR)]} {
1922                         set old_GIT_DIR $env(GIT_DIR)
1923                 } else {
1924                         set old_GIT_DIR {}
1925                 }
1926
1927                 set pwd [pwd]
1928                 if {!$is_submodule} {
1929                         cd [file dirname [gitdir]]
1930                         set env(GIT_DIR) [file tail [gitdir]]
1931                 } else {
1932                         cd $current_diff_path
1933                         if {$revs eq {}} {
1934                                 set revs $old_submod_sha1...$new_submod_sha1
1935                         } elseif {$revs eq {--}} {
1936                                 set revs $new_submod_sha1
1937                         }
1938                         if {[info exists env(GIT_DIR)]} {
1939                                 unset env(GIT_DIR)
1940                         }
1941                 }
1942
1943                 eval exec $cmd $revs &
1944
1945                 if {$old_GIT_DIR ne {}} {
1946                         set env(GIT_DIR) $old_GIT_DIR
1947                 }
1948                 cd $pwd
1949
1950                 ui_status $::starting_gitk_msg
1951                 after 10000 {
1952                         ui_ready $starting_gitk_msg
1953                 }
1954         }
1955 }
1956
1957 proc do_git_gui {} {
1958         global current_diff_path
1959
1960         # -- Always start git gui through whatever we were loaded with.  This
1961         #    lets us bypass using shell process on Windows systems.
1962         #
1963         set exe [_which git]
1964         if {$exe eq {}} {
1965                 error_popup [mc "Couldn't find git gui in PATH"]
1966         } else {
1967                 global env
1968
1969                 if {[info exists env(GIT_DIR)]} {
1970                         set old_GIT_DIR $env(GIT_DIR)
1971                         unset env(GIT_DIR)
1972                 } else {
1973                         set old_GIT_DIR {}
1974                 }
1975
1976                 set pwd [pwd]
1977                 cd $current_diff_path
1978
1979                 eval exec $exe gui &
1980
1981                 if {$old_GIT_DIR ne {}} {
1982                         set env(GIT_DIR) $old_GIT_DIR
1983                 }
1984                 cd $pwd
1985
1986                 ui_status $::starting_gitk_msg
1987                 after 10000 {
1988                         ui_ready $starting_gitk_msg
1989                 }
1990         }
1991 }
1992
1993 proc do_explore {} {
1994         set explorer {}
1995         if {[is_Cygwin] || [is_Windows]} {
1996                 set explorer "explorer.exe"
1997         } elseif {[is_MacOSX]} {
1998                 set explorer "open"
1999         } else {
2000                 # freedesktop.org-conforming system is our best shot
2001                 set explorer "xdg-open"
2002         }
2003         eval exec $explorer [list [file nativename [file dirname [gitdir]]]] &
2004 }
2005
2006 set is_quitting 0
2007 set ret_code    1
2008
2009 proc terminate_me {win} {
2010         global ret_code
2011         if {$win ne {.}} return
2012         exit $ret_code
2013 }
2014
2015 proc do_quit {{rc {1}}} {
2016         global ui_comm is_quitting repo_config commit_type
2017         global GITGUI_BCK_exists GITGUI_BCK_i
2018         global ui_comm_spell
2019         global ret_code
2020
2021         if {$is_quitting} return
2022         set is_quitting 1
2023
2024         if {[winfo exists $ui_comm]} {
2025                 # -- Stash our current commit buffer.
2026                 #
2027                 set save [gitdir GITGUI_MSG]
2028                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2029                         file rename -force [gitdir GITGUI_BCK] $save
2030                         set GITGUI_BCK_exists 0
2031                 } else {
2032                         set msg [string trim [$ui_comm get 0.0 end]]
2033                         regsub -all -line {[ \r\t]+$} $msg {} msg
2034                         if {(![string match amend* $commit_type]
2035                                 || [$ui_comm edit modified])
2036                                 && $msg ne {}} {
2037                                 catch {
2038                                         set fd [open $save w]
2039                                         puts -nonewline $fd $msg
2040                                         close $fd
2041                                 }
2042                         } else {
2043                                 catch {file delete $save}
2044                         }
2045                 }
2046
2047                 # -- Cancel our spellchecker if its running.
2048                 #
2049                 if {[info exists ui_comm_spell]} {
2050                         $ui_comm_spell stop
2051                 }
2052
2053                 # -- Remove our editor backup, its not needed.
2054                 #
2055                 after cancel $GITGUI_BCK_i
2056                 if {$GITGUI_BCK_exists} {
2057                         catch {file delete [gitdir GITGUI_BCK]}
2058                 }
2059
2060                 # -- Stash our current window geometry into this repository.
2061                 #
2062                 set cfg_geometry [list]
2063                 lappend cfg_geometry [wm geometry .]
2064                 lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2065                 lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2066                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2067                         set rc_geometry {}
2068                 }
2069                 if {$cfg_geometry ne $rc_geometry} {
2070                         catch {git config gui.geometry $cfg_geometry}
2071                 }
2072         }
2073
2074         set ret_code $rc
2075         destroy .
2076 }
2077
2078 proc do_rescan {} {
2079         rescan ui_ready
2080 }
2081
2082 proc ui_do_rescan {} {
2083         rescan {force_first_diff ui_ready}
2084 }
2085
2086 proc do_commit {} {
2087         commit_tree
2088 }
2089
2090 proc next_diff {{after {}}} {
2091         global next_diff_p next_diff_w next_diff_i
2092         show_diff $next_diff_p $next_diff_w {} {} $after
2093 }
2094
2095 proc find_anchor_pos {lst name} {
2096         set lid [lsearch -sorted -exact $lst $name]
2097
2098         if {$lid == -1} {
2099                 set lid 0
2100                 foreach lname $lst {
2101                         if {$lname >= $name} break
2102                         incr lid
2103                 }
2104         }
2105
2106         return $lid
2107 }
2108
2109 proc find_file_from {flist idx delta path mmask} {
2110         global file_states
2111
2112         set len [llength $flist]
2113         while {$idx >= 0 && $idx < $len} {
2114                 set name [lindex $flist $idx]
2115
2116                 if {$name ne $path && [info exists file_states($name)]} {
2117                         set state [lindex $file_states($name) 0]
2118
2119                         if {$mmask eq {} || [regexp $mmask $state]} {
2120                                 return $idx
2121                         }
2122                 }
2123
2124                 incr idx $delta
2125         }
2126
2127         return {}
2128 }
2129
2130 proc find_next_diff {w path {lno {}} {mmask {}}} {
2131         global next_diff_p next_diff_w next_diff_i
2132         global file_lists ui_index ui_workdir
2133
2134         set flist $file_lists($w)
2135         if {$lno eq {}} {
2136                 set lno [find_anchor_pos $flist $path]
2137         } else {
2138                 incr lno -1
2139         }
2140
2141         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2142                 if {$w eq $ui_index} {
2143                         set mmask "^$mmask"
2144                 } else {
2145                         set mmask "$mmask\$"
2146                 }
2147         }
2148
2149         set idx [find_file_from $flist $lno 1 $path $mmask]
2150         if {$idx eq {}} {
2151                 incr lno -1
2152                 set idx [find_file_from $flist $lno -1 $path $mmask]
2153         }
2154
2155         if {$idx ne {}} {
2156                 set next_diff_w $w
2157                 set next_diff_p [lindex $flist $idx]
2158                 set next_diff_i [expr {$idx+1}]
2159                 return 1
2160         } else {
2161                 return 0
2162         }
2163 }
2164
2165 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2166         global current_diff_path
2167
2168         if {$path ne $current_diff_path} {
2169                 return {}
2170         } elseif {[find_next_diff $w $path $lno $mmask]} {
2171                 return {next_diff;}
2172         } else {
2173                 return {reshow_diff;}
2174         }
2175 }
2176
2177 proc select_first_diff {after} {
2178         global ui_workdir
2179
2180         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2181             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2182                 next_diff $after
2183         } else {
2184                 uplevel #0 $after
2185         }
2186 }
2187
2188 proc force_first_diff {after} {
2189         global ui_workdir current_diff_path file_states
2190
2191         if {[info exists file_states($current_diff_path)]} {
2192                 set state [lindex $file_states($current_diff_path) 0]
2193         } else {
2194                 set state {OO}
2195         }
2196
2197         set reselect 0
2198         if {[string first {U} $state] >= 0} {
2199                 # Already a conflict, do nothing
2200         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2201                 set reselect 1
2202         } elseif {[string index $state 1] ne {O}} {
2203                 # Already a diff & no conflicts, do nothing
2204         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2205                 set reselect 1
2206         }
2207
2208         if {$reselect} {
2209                 next_diff $after
2210         } else {
2211                 uplevel #0 $after
2212         }
2213 }
2214
2215 proc toggle_or_diff {w x y} {
2216         global file_states file_lists current_diff_path ui_index ui_workdir
2217         global last_clicked selected_paths
2218
2219         set pos [split [$w index @$x,$y] .]
2220         set lno [lindex $pos 0]
2221         set col [lindex $pos 1]
2222         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2223         if {$path eq {}} {
2224                 set last_clicked {}
2225                 return
2226         }
2227
2228         set last_clicked [list $w $lno]
2229         array unset selected_paths
2230         $ui_index tag remove in_sel 0.0 end
2231         $ui_workdir tag remove in_sel 0.0 end
2232
2233         # Determine the state of the file
2234         if {[info exists file_states($path)]} {
2235                 set state [lindex $file_states($path) 0]
2236         } else {
2237                 set state {__}
2238         }
2239
2240         # Restage the file, or simply show the diff
2241         if {$col == 0 && $y > 1} {
2242                 # Conflicts need special handling
2243                 if {[string first {U} $state] >= 0} {
2244                         # $w must always be $ui_workdir, but...
2245                         if {$w ne $ui_workdir} { set lno {} }
2246                         merge_stage_workdir $path $lno
2247                         return
2248                 }
2249
2250                 if {[string index $state 1] eq {O}} {
2251                         set mmask {}
2252                 } else {
2253                         set mmask {[^O]}
2254                 }
2255
2256                 set after [next_diff_after_action $w $path $lno $mmask]
2257
2258                 if {$w eq $ui_index} {
2259                         update_indexinfo \
2260                                 "Unstaging [short_path $path] from commit" \
2261                                 [list $path] \
2262                                 [concat $after [list ui_ready]]
2263                 } elseif {$w eq $ui_workdir} {
2264                         update_index \
2265                                 "Adding [short_path $path]" \
2266                                 [list $path] \
2267                                 [concat $after [list ui_ready]]
2268                 }
2269         } else {
2270                 show_diff $path $w $lno
2271         }
2272 }
2273
2274 proc add_one_to_selection {w x y} {
2275         global file_lists last_clicked selected_paths
2276
2277         set lno [lindex [split [$w index @$x,$y] .] 0]
2278         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2279         if {$path eq {}} {
2280                 set last_clicked {}
2281                 return
2282         }
2283
2284         if {$last_clicked ne {}
2285                 && [lindex $last_clicked 0] ne $w} {
2286                 array unset selected_paths
2287                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2288         }
2289
2290         set last_clicked [list $w $lno]
2291         if {[catch {set in_sel $selected_paths($path)}]} {
2292                 set in_sel 0
2293         }
2294         if {$in_sel} {
2295                 unset selected_paths($path)
2296                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2297         } else {
2298                 set selected_paths($path) 1
2299                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2300         }
2301 }
2302
2303 proc add_range_to_selection {w x y} {
2304         global file_lists last_clicked selected_paths
2305
2306         if {[lindex $last_clicked 0] ne $w} {
2307                 toggle_or_diff $w $x $y
2308                 return
2309         }
2310
2311         set lno [lindex [split [$w index @$x,$y] .] 0]
2312         set lc [lindex $last_clicked 1]
2313         if {$lc < $lno} {
2314                 set begin $lc
2315                 set end $lno
2316         } else {
2317                 set begin $lno
2318                 set end $lc
2319         }
2320
2321         foreach path [lrange $file_lists($w) \
2322                 [expr {$begin - 1}] \
2323                 [expr {$end - 1}]] {
2324                 set selected_paths($path) 1
2325         }
2326         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2327 }
2328
2329 proc show_more_context {} {
2330         global repo_config
2331         if {$repo_config(gui.diffcontext) < 99} {
2332                 incr repo_config(gui.diffcontext)
2333                 reshow_diff
2334         }
2335 }
2336
2337 proc show_less_context {} {
2338         global repo_config
2339         if {$repo_config(gui.diffcontext) > 1} {
2340                 incr repo_config(gui.diffcontext) -1
2341                 reshow_diff
2342         }
2343 }
2344
2345 ######################################################################
2346 ##
2347 ## ui construction
2348
2349 load_config 0
2350 apply_config
2351 set ui_comm {}
2352
2353 # -- Menu Bar
2354 #
2355 menu .mbar -tearoff 0
2356 if {[is_MacOSX]} {
2357         # -- Apple Menu (Mac OS X only)
2358         #
2359         .mbar add cascade -label Apple -menu .mbar.apple
2360         menu .mbar.apple
2361 }
2362 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2363 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2364 if {[is_enabled branch]} {
2365         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2366 }
2367 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2368         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2369 }
2370 if {[is_enabled transport]} {
2371         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2372         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2373 }
2374 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2375         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2376 }
2377
2378 # -- Repository Menu
2379 #
2380 menu .mbar.repository
2381
2382 .mbar.repository add command \
2383         -label [mc "Explore Working Copy"] \
2384         -command {do_explore}
2385 .mbar.repository add separator
2386
2387 .mbar.repository add command \
2388         -label [mc "Browse Current Branch's Files"] \
2389         -command {browser::new $current_branch}
2390 set ui_browse_current [.mbar.repository index last]
2391 .mbar.repository add command \
2392         -label [mc "Browse Branch Files..."] \
2393         -command browser_open::dialog
2394 .mbar.repository add separator
2395
2396 .mbar.repository add command \
2397         -label [mc "Visualize Current Branch's History"] \
2398         -command {do_gitk $current_branch false}
2399 set ui_visualize_current [.mbar.repository index last]
2400 .mbar.repository add command \
2401         -label [mc "Visualize All Branch History"] \
2402         -command {do_gitk --all false}
2403 .mbar.repository add separator
2404
2405 proc current_branch_write {args} {
2406         global current_branch
2407         .mbar.repository entryconf $::ui_browse_current \
2408                 -label [mc "Browse %s's Files" $current_branch]
2409         .mbar.repository entryconf $::ui_visualize_current \
2410                 -label [mc "Visualize %s's History" $current_branch]
2411 }
2412 trace add variable current_branch write current_branch_write
2413
2414 if {[is_enabled multicommit]} {
2415         .mbar.repository add command -label [mc "Database Statistics"] \
2416                 -command do_stats
2417
2418         .mbar.repository add command -label [mc "Compress Database"] \
2419                 -command do_gc
2420
2421         .mbar.repository add command -label [mc "Verify Database"] \
2422                 -command do_fsck_objects
2423
2424         .mbar.repository add separator
2425
2426         if {[is_Cygwin]} {
2427                 .mbar.repository add command \
2428                         -label [mc "Create Desktop Icon"] \
2429                         -command do_cygwin_shortcut
2430         } elseif {[is_Windows]} {
2431                 .mbar.repository add command \
2432                         -label [mc "Create Desktop Icon"] \
2433                         -command do_windows_shortcut
2434         } elseif {[is_MacOSX]} {
2435                 .mbar.repository add command \
2436                         -label [mc "Create Desktop Icon"] \
2437                         -command do_macosx_app
2438         }
2439 }
2440
2441 if {[is_MacOSX]} {
2442         proc ::tk::mac::Quit {args} { do_quit }
2443 } else {
2444         .mbar.repository add command -label [mc Quit] \
2445                 -command do_quit \
2446                 -accelerator $M1T-Q
2447 }
2448
2449 # -- Edit Menu
2450 #
2451 menu .mbar.edit
2452 .mbar.edit add command -label [mc Undo] \
2453         -command {catch {[focus] edit undo}} \
2454         -accelerator $M1T-Z
2455 .mbar.edit add command -label [mc Redo] \
2456         -command {catch {[focus] edit redo}} \
2457         -accelerator $M1T-Y
2458 .mbar.edit add separator
2459 .mbar.edit add command -label [mc Cut] \
2460         -command {catch {tk_textCut [focus]}} \
2461         -accelerator $M1T-X
2462 .mbar.edit add command -label [mc Copy] \
2463         -command {catch {tk_textCopy [focus]}} \
2464         -accelerator $M1T-C
2465 .mbar.edit add command -label [mc Paste] \
2466         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2467         -accelerator $M1T-V
2468 .mbar.edit add command -label [mc Delete] \
2469         -command {catch {[focus] delete sel.first sel.last}} \
2470         -accelerator Del
2471 .mbar.edit add separator
2472 .mbar.edit add command -label [mc "Select All"] \
2473         -command {catch {[focus] tag add sel 0.0 end}} \
2474         -accelerator $M1T-A
2475
2476 # -- Branch Menu
2477 #
2478 if {[is_enabled branch]} {
2479         menu .mbar.branch
2480
2481         .mbar.branch add command -label [mc "Create..."] \
2482                 -command branch_create::dialog \
2483                 -accelerator $M1T-N
2484         lappend disable_on_lock [list .mbar.branch entryconf \
2485                 [.mbar.branch index last] -state]
2486
2487         .mbar.branch add command -label [mc "Checkout..."] \
2488                 -command branch_checkout::dialog \
2489                 -accelerator $M1T-O
2490         lappend disable_on_lock [list .mbar.branch entryconf \
2491                 [.mbar.branch index last] -state]
2492
2493         .mbar.branch add command -label [mc "Rename..."] \
2494                 -command branch_rename::dialog
2495         lappend disable_on_lock [list .mbar.branch entryconf \
2496                 [.mbar.branch index last] -state]
2497
2498         .mbar.branch add command -label [mc "Delete..."] \
2499                 -command branch_delete::dialog
2500         lappend disable_on_lock [list .mbar.branch entryconf \
2501                 [.mbar.branch index last] -state]
2502
2503         .mbar.branch add command -label [mc "Reset..."] \
2504                 -command merge::reset_hard
2505         lappend disable_on_lock [list .mbar.branch entryconf \
2506                 [.mbar.branch index last] -state]
2507 }
2508
2509 # -- Commit Menu
2510 #
2511 proc commit_btn_caption {} {
2512         if {[is_enabled nocommit]} {
2513                 return [mc "Done"]
2514         } else {
2515                 return [mc Commit@@verb]
2516         }
2517 }
2518
2519 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2520         menu .mbar.commit
2521
2522         if {![is_enabled nocommit]} {
2523                 .mbar.commit add radiobutton \
2524                         -label [mc "New Commit"] \
2525                         -command do_select_commit_type \
2526                         -variable selected_commit_type \
2527                         -value new
2528                 lappend disable_on_lock \
2529                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2530
2531                 .mbar.commit add radiobutton \
2532                         -label [mc "Amend Last Commit"] \
2533                         -command do_select_commit_type \
2534                         -variable selected_commit_type \
2535                         -value amend
2536                 lappend disable_on_lock \
2537                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2538
2539                 .mbar.commit add separator
2540         }
2541
2542         .mbar.commit add command -label [mc Rescan] \
2543                 -command ui_do_rescan \
2544                 -accelerator F5
2545         lappend disable_on_lock \
2546                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2547
2548         .mbar.commit add command -label [mc "Stage To Commit"] \
2549                 -command do_add_selection \
2550                 -accelerator $M1T-T
2551         lappend disable_on_lock \
2552                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2553
2554         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2555                 -command do_add_all \
2556                 -accelerator $M1T-I
2557         lappend disable_on_lock \
2558                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2559
2560         .mbar.commit add command -label [mc "Unstage From Commit"] \
2561                 -command do_unstage_selection
2562         lappend disable_on_lock \
2563                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2564
2565         .mbar.commit add command -label [mc "Revert Changes"] \
2566                 -command do_revert_selection
2567         lappend disable_on_lock \
2568                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2569
2570         .mbar.commit add separator
2571
2572         .mbar.commit add command -label [mc "Show Less Context"] \
2573                 -command show_less_context \
2574                 -accelerator $M1T-\-
2575
2576         .mbar.commit add command -label [mc "Show More Context"] \
2577                 -command show_more_context \
2578                 -accelerator $M1T-=
2579
2580         .mbar.commit add separator
2581
2582         if {![is_enabled nocommitmsg]} {
2583                 .mbar.commit add command -label [mc "Sign Off"] \
2584                         -command do_signoff \
2585                         -accelerator $M1T-S
2586         }
2587
2588         .mbar.commit add command -label [commit_btn_caption] \
2589                 -command do_commit \
2590                 -accelerator $M1T-Return
2591         lappend disable_on_lock \
2592                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2593 }
2594
2595 # -- Merge Menu
2596 #
2597 if {[is_enabled branch]} {
2598         menu .mbar.merge
2599         .mbar.merge add command -label [mc "Local Merge..."] \
2600                 -command merge::dialog \
2601                 -accelerator $M1T-M
2602         lappend disable_on_lock \
2603                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2604         .mbar.merge add command -label [mc "Abort Merge..."] \
2605                 -command merge::reset_hard
2606         lappend disable_on_lock \
2607                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2608 }
2609
2610 # -- Transport Menu
2611 #
2612 if {[is_enabled transport]} {
2613         menu .mbar.remote
2614
2615         .mbar.remote add command \
2616                 -label [mc "Add..."] \
2617                 -command remote_add::dialog \
2618                 -accelerator $M1T-A
2619         .mbar.remote add command \
2620                 -label [mc "Push..."] \
2621                 -command do_push_anywhere \
2622                 -accelerator $M1T-P
2623         .mbar.remote add command \
2624                 -label [mc "Delete Branch..."] \
2625                 -command remote_branch_delete::dialog
2626 }
2627
2628 if {[is_MacOSX]} {
2629         proc ::tk::mac::ShowPreferences {} {do_options}
2630 } else {
2631         # -- Edit Menu
2632         #
2633         .mbar.edit add separator
2634         .mbar.edit add command -label [mc "Options..."] \
2635                 -command do_options
2636 }
2637
2638 # -- Tools Menu
2639 #
2640 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2641         set tools_menubar .mbar.tools
2642         menu $tools_menubar
2643         $tools_menubar add separator
2644         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2645         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2646         set tools_tailcnt 3
2647         if {[array names repo_config guitool.*.cmd] ne {}} {
2648                 tools_populate_all
2649         }
2650 }
2651
2652 # -- Help Menu
2653 #
2654 .mbar add cascade -label [mc Help] -menu .mbar.help
2655 menu .mbar.help
2656
2657 if {[is_MacOSX]} {
2658         .mbar.apple add command -label [mc "About %s" [appname]] \
2659                 -command do_about
2660         .mbar.apple add separator
2661 } else {
2662         .mbar.help add command -label [mc "About %s" [appname]] \
2663                 -command do_about
2664 }
2665 . configure -menu .mbar
2666
2667 set doc_path [githtmldir]
2668 if {$doc_path ne {}} {
2669         set doc_path [file join $doc_path index.html]
2670
2671         if {[is_Cygwin]} {
2672                 set doc_path [exec cygpath --mixed $doc_path]
2673         }
2674 }
2675
2676 if {[file isfile $doc_path]} {
2677         set doc_url "file:$doc_path"
2678 } else {
2679         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2680 }
2681
2682 proc start_browser {url} {
2683         git "web--browse" $url
2684 }
2685
2686 .mbar.help add command -label [mc "Online Documentation"] \
2687         -command [list start_browser $doc_url]
2688
2689 .mbar.help add command -label [mc "Show SSH Key"] \
2690         -command do_ssh_key
2691
2692 unset doc_path doc_url
2693
2694 # -- Standard bindings
2695 #
2696 wm protocol . WM_DELETE_WINDOW do_quit
2697 bind all <$M1B-Key-q> do_quit
2698 bind all <$M1B-Key-Q> do_quit
2699 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2700 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2701
2702 set subcommand_args {}
2703 proc usage {} {
2704         puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2705         exit 1
2706 }
2707
2708 proc normalize_relpath {path} {
2709         set elements {}
2710         foreach item [file split $path] {
2711                 if {$item eq {.}} continue
2712                 if {$item eq {..} && [llength $elements] > 0
2713                     && [lindex $elements end] ne {..}} {
2714                         set elements [lrange $elements 0 end-1]
2715                         continue
2716                 }
2717                 lappend elements $item
2718         }
2719         return [eval file join $elements]
2720 }
2721
2722 # -- Not a normal commit type invocation?  Do that instead!
2723 #
2724 switch -- $subcommand {
2725 browser -
2726 blame {
2727         if {$subcommand eq "blame"} {
2728                 set subcommand_args {[--line=<num>] rev? path}
2729         } else {
2730                 set subcommand_args {rev? path}
2731         }
2732         if {$argv eq {}} usage
2733         set head {}
2734         set path {}
2735         set jump_spec {}
2736         set is_path 0
2737         foreach a $argv {
2738                 if {$is_path || [file exists $_prefix$a]} {
2739                         if {$path ne {}} usage
2740                         set path [normalize_relpath $_prefix$a]
2741                         break
2742                 } elseif {$a eq {--}} {
2743                         if {$path ne {}} {
2744                                 if {$head ne {}} usage
2745                                 set head $path
2746                                 set path {}
2747                         }
2748                         set is_path 1
2749                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2750                         if {$jump_spec ne {} || $head ne {}} usage
2751                         set jump_spec [list $lnum]
2752                 } elseif {$head eq {}} {
2753                         if {$head ne {}} usage
2754                         set head $a
2755                         set is_path 1
2756                 } else {
2757                         usage
2758                 }
2759         }
2760         unset is_path
2761
2762         if {$head ne {} && $path eq {}} {
2763                 set path [normalize_relpath $_prefix$head]
2764                 set head {}
2765         }
2766
2767         if {$head eq {}} {
2768                 load_current_branch
2769         } else {
2770                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2771                         if {[catch {
2772                                         set head [git rev-parse --verify $head]
2773                                 } err]} {
2774                                 puts stderr $err
2775                                 exit 1
2776                         }
2777                 }
2778                 set current_branch $head
2779         }
2780
2781         switch -- $subcommand {
2782         browser {
2783                 if {$jump_spec ne {}} usage
2784                 if {$head eq {}} {
2785                         if {$path ne {} && [file isdirectory $path]} {
2786                                 set head $current_branch
2787                         } else {
2788                                 set head $path
2789                                 set path {}
2790                         }
2791                 }
2792                 browser::new $head $path
2793         }
2794         blame   {
2795                 if {$head eq {} && ![file exists $path]} {
2796                         puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2797                         exit 1
2798                 }
2799                 blame::new $head $path $jump_spec
2800         }
2801         }
2802         return
2803 }
2804 citool -
2805 gui {
2806         if {[llength $argv] != 0} {
2807                 puts -nonewline stderr "usage: $argv0"
2808                 if {$subcommand ne {gui}
2809                         && [file tail $argv0] ne "git-$subcommand"} {
2810                         puts -nonewline stderr " $subcommand"
2811                 }
2812                 puts stderr {}
2813                 exit 1
2814         }
2815         # fall through to setup UI for commits
2816 }
2817 default {
2818         puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2819         exit 1
2820 }
2821 }
2822
2823 # -- Branch Control
2824 #
2825 frame .branch \
2826         -borderwidth 1 \
2827         -relief sunken
2828 label .branch.l1 \
2829         -text [mc "Current Branch:"] \
2830         -anchor w \
2831         -justify left
2832 label .branch.cb \
2833         -textvariable current_branch \
2834         -anchor w \
2835         -justify left
2836 pack .branch.l1 -side left
2837 pack .branch.cb -side left -fill x
2838 pack .branch -side top -fill x
2839
2840 # -- Main Window Layout
2841 #
2842 panedwindow .vpane -orient horizontal
2843 panedwindow .vpane.files -orient vertical
2844 .vpane add .vpane.files -sticky nsew -height 100 -width 200
2845 pack .vpane -anchor n -side top -fill both -expand 1
2846
2847 # -- Index File List
2848 #
2849 frame .vpane.files.index -height 100 -width 200
2850 label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2851         -background lightgreen -foreground black
2852 text $ui_index -background white -foreground black \
2853         -borderwidth 0 \
2854         -width 20 -height 10 \
2855         -wrap none \
2856         -cursor $cursor_ptr \
2857         -xscrollcommand {.vpane.files.index.sx set} \
2858         -yscrollcommand {.vpane.files.index.sy set} \
2859         -state disabled
2860 scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2861 scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2862 pack .vpane.files.index.title -side top -fill x
2863 pack .vpane.files.index.sx -side bottom -fill x
2864 pack .vpane.files.index.sy -side right -fill y
2865 pack $ui_index -side left -fill both -expand 1
2866
2867 # -- Working Directory File List
2868 #
2869 frame .vpane.files.workdir -height 100 -width 200
2870 label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2871         -background lightsalmon -foreground black
2872 text $ui_workdir -background white -foreground black \
2873         -borderwidth 0 \
2874         -width 20 -height 10 \
2875         -wrap none \
2876         -cursor $cursor_ptr \
2877         -xscrollcommand {.vpane.files.workdir.sx set} \
2878         -yscrollcommand {.vpane.files.workdir.sy set} \
2879         -state disabled
2880 scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2881 scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2882 pack .vpane.files.workdir.title -side top -fill x
2883 pack .vpane.files.workdir.sx -side bottom -fill x
2884 pack .vpane.files.workdir.sy -side right -fill y
2885 pack $ui_workdir -side left -fill both -expand 1
2886
2887 .vpane.files add .vpane.files.workdir -sticky nsew
2888 .vpane.files add .vpane.files.index -sticky nsew
2889
2890 foreach i [list $ui_index $ui_workdir] {
2891         rmsel_tag $i
2892         $i tag conf in_diff -background [$i tag cget in_sel -background]
2893 }
2894 unset i
2895
2896 # -- Diff and Commit Area
2897 #
2898 frame .vpane.lower -height 300 -width 400
2899 frame .vpane.lower.commarea
2900 frame .vpane.lower.diff -relief sunken -borderwidth 1
2901 pack .vpane.lower.diff -fill both -expand 1
2902 pack .vpane.lower.commarea -side bottom -fill x
2903 .vpane add .vpane.lower -sticky nsew
2904
2905 # -- Commit Area Buttons
2906 #
2907 frame .vpane.lower.commarea.buttons
2908 label .vpane.lower.commarea.buttons.l -text {} \
2909         -anchor w \
2910         -justify left
2911 pack .vpane.lower.commarea.buttons.l -side top -fill x
2912 pack .vpane.lower.commarea.buttons -side left -fill y
2913
2914 button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2915         -command ui_do_rescan
2916 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2917 lappend disable_on_lock \
2918         {.vpane.lower.commarea.buttons.rescan conf -state}
2919
2920 button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2921         -command do_add_all
2922 pack .vpane.lower.commarea.buttons.incall -side top -fill x
2923 lappend disable_on_lock \
2924         {.vpane.lower.commarea.buttons.incall conf -state}
2925
2926 if {![is_enabled nocommitmsg]} {
2927         button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2928                 -command do_signoff
2929         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2930 }
2931
2932 button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2933         -command do_commit
2934 pack .vpane.lower.commarea.buttons.commit -side top -fill x
2935 lappend disable_on_lock \
2936         {.vpane.lower.commarea.buttons.commit conf -state}
2937
2938 if {![is_enabled nocommit]} {
2939         button .vpane.lower.commarea.buttons.push -text [mc Push] \
2940                 -command do_push_anywhere
2941         pack .vpane.lower.commarea.buttons.push -side top -fill x
2942 }
2943
2944 # -- Commit Message Buffer
2945 #
2946 frame .vpane.lower.commarea.buffer
2947 frame .vpane.lower.commarea.buffer.header
2948 set ui_comm .vpane.lower.commarea.buffer.t
2949 set ui_coml .vpane.lower.commarea.buffer.header.l
2950
2951 if {![is_enabled nocommit]} {
2952         radiobutton .vpane.lower.commarea.buffer.header.new \
2953                 -text [mc "New Commit"] \
2954                 -command do_select_commit_type \
2955                 -variable selected_commit_type \
2956                 -value new
2957         lappend disable_on_lock \
2958                 [list .vpane.lower.commarea.buffer.header.new conf -state]
2959         radiobutton .vpane.lower.commarea.buffer.header.amend \
2960                 -text [mc "Amend Last Commit"] \
2961                 -command do_select_commit_type \
2962                 -variable selected_commit_type \
2963                 -value amend
2964         lappend disable_on_lock \
2965                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
2966 }
2967
2968 label $ui_coml \
2969         -anchor w \
2970         -justify left
2971 proc trace_commit_type {varname args} {
2972         global ui_coml commit_type
2973         switch -glob -- $commit_type {
2974         initial       {set txt [mc "Initial Commit Message:"]}
2975         amend         {set txt [mc "Amended Commit Message:"]}
2976         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2977         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2978         merge         {set txt [mc "Merge Commit Message:"]}
2979         *             {set txt [mc "Commit Message:"]}
2980         }
2981         $ui_coml conf -text $txt
2982 }
2983 trace add variable commit_type write trace_commit_type
2984 pack $ui_coml -side left -fill x
2985
2986 if {![is_enabled nocommit]} {
2987         pack .vpane.lower.commarea.buffer.header.amend -side right
2988         pack .vpane.lower.commarea.buffer.header.new -side right
2989 }
2990
2991 text $ui_comm -background white -foreground black \
2992         -borderwidth 1 \
2993         -undo true \
2994         -maxundo 20 \
2995         -autoseparators true \
2996         -relief sunken \
2997         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2998         -font font_diff \
2999         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3000 scrollbar .vpane.lower.commarea.buffer.sby \
3001         -command [list $ui_comm yview]
3002 pack .vpane.lower.commarea.buffer.header -side top -fill x
3003 pack .vpane.lower.commarea.buffer.sby -side right -fill y
3004 pack $ui_comm -side left -fill y
3005 pack .vpane.lower.commarea.buffer -side left -fill y
3006
3007 # -- Commit Message Buffer Context Menu
3008 #
3009 set ctxm .vpane.lower.commarea.buffer.ctxm
3010 menu $ctxm -tearoff 0
3011 $ctxm add command \
3012         -label [mc Cut] \
3013         -command {tk_textCut $ui_comm}
3014 $ctxm add command \
3015         -label [mc Copy] \
3016         -command {tk_textCopy $ui_comm}
3017 $ctxm add command \
3018         -label [mc Paste] \
3019         -command {tk_textPaste $ui_comm}
3020 $ctxm add command \
3021         -label [mc Delete] \
3022         -command {catch {$ui_comm delete sel.first sel.last}}
3023 $ctxm add separator
3024 $ctxm add command \
3025         -label [mc "Select All"] \
3026         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3027 $ctxm add command \
3028         -label [mc "Copy All"] \
3029         -command {
3030                 $ui_comm tag add sel 0.0 end
3031                 tk_textCopy $ui_comm
3032                 $ui_comm tag remove sel 0.0 end
3033         }
3034 $ctxm add separator
3035 $ctxm add command \
3036         -label [mc "Sign Off"] \
3037         -command do_signoff
3038 set ui_comm_ctxm $ctxm
3039
3040 # -- Diff Header
3041 #
3042 proc trace_current_diff_path {varname args} {
3043         global current_diff_path diff_actions file_states
3044         if {$current_diff_path eq {}} {
3045                 set s {}
3046                 set f {}
3047                 set p {}
3048                 set o disabled
3049         } else {
3050                 set p $current_diff_path
3051                 set s [mapdesc [lindex $file_states($p) 0] $p]
3052                 set f [mc "File:"]
3053                 set p [escape_path $p]
3054                 set o normal
3055         }
3056
3057         .vpane.lower.diff.header.status configure -text $s
3058         .vpane.lower.diff.header.file configure -text $f
3059         .vpane.lower.diff.header.path configure -text $p
3060         foreach w $diff_actions {
3061                 uplevel #0 $w $o
3062         }
3063 }
3064 trace add variable current_diff_path write trace_current_diff_path
3065
3066 frame .vpane.lower.diff.header -background gold
3067 label .vpane.lower.diff.header.status \
3068         -background gold \
3069         -foreground black \
3070         -width $max_status_desc \
3071         -anchor w \
3072         -justify left
3073 label .vpane.lower.diff.header.file \
3074         -background gold \
3075         -foreground black \
3076         -anchor w \
3077         -justify left
3078 label .vpane.lower.diff.header.path \
3079         -background gold \
3080         -foreground black \
3081         -anchor w \
3082         -justify left
3083 pack .vpane.lower.diff.header.status -side left
3084 pack .vpane.lower.diff.header.file -side left
3085 pack .vpane.lower.diff.header.path -fill x
3086 set ctxm .vpane.lower.diff.header.ctxm
3087 menu $ctxm -tearoff 0
3088 $ctxm add command \
3089         -label [mc Copy] \
3090         -command {
3091                 clipboard clear
3092                 clipboard append \
3093                         -format STRING \
3094                         -type STRING \
3095                         -- $current_diff_path
3096         }
3097 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3098 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3099
3100 # -- Diff Body
3101 #
3102 frame .vpane.lower.diff.body
3103 set ui_diff .vpane.lower.diff.body.t
3104 text $ui_diff -background white -foreground black \
3105         -borderwidth 0 \
3106         -width 80 -height 15 -wrap none \
3107         -font font_diff \
3108         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3109         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3110         -state disabled
3111 scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3112         -command [list $ui_diff xview]
3113 scrollbar .vpane.lower.diff.body.sby -orient vertical \
3114         -command [list $ui_diff yview]
3115 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3116 pack .vpane.lower.diff.body.sby -side right -fill y
3117 pack $ui_diff -side left -fill both -expand 1
3118 pack .vpane.lower.diff.header -side top -fill x
3119 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3120
3121 $ui_diff tag conf d_cr -elide true
3122 $ui_diff tag conf d_@ -foreground blue -font font_diffbold
3123 $ui_diff tag conf d_+ -foreground {#00a000}
3124 $ui_diff tag conf d_- -foreground red
3125
3126 $ui_diff tag conf d_++ -foreground {#00a000}
3127 $ui_diff tag conf d_-- -foreground red
3128 $ui_diff tag conf d_+s \
3129         -foreground {#00a000} \
3130         -background {#e2effa}
3131 $ui_diff tag conf d_-s \
3132         -foreground red \
3133         -background {#e2effa}
3134 $ui_diff tag conf d_s+ \
3135         -foreground {#00a000} \
3136         -background ivory1
3137 $ui_diff tag conf d_s- \
3138         -foreground red \
3139         -background ivory1
3140
3141 $ui_diff tag conf d<<<<<<< \
3142         -foreground orange \
3143         -font font_diffbold
3144 $ui_diff tag conf d======= \
3145         -foreground orange \
3146         -font font_diffbold
3147 $ui_diff tag conf d>>>>>>> \
3148         -foreground orange \
3149         -font font_diffbold
3150
3151 $ui_diff tag raise sel
3152
3153 # -- Diff Body Context Menu
3154 #
3155
3156 proc create_common_diff_popup {ctxm} {
3157         $ctxm add command \
3158                 -label [mc Refresh] \
3159                 -command reshow_diff
3160         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3161         $ctxm add command \
3162                 -label [mc Copy] \
3163                 -command {tk_textCopy $ui_diff}
3164         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3165         $ctxm add command \
3166                 -label [mc "Select All"] \
3167                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3168         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3169         $ctxm add command \
3170                 -label [mc "Copy All"] \
3171                 -command {
3172                         $ui_diff tag add sel 0.0 end
3173                         tk_textCopy $ui_diff
3174                         $ui_diff tag remove sel 0.0 end
3175                 }
3176         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3177         $ctxm add separator
3178         $ctxm add command \
3179                 -label [mc "Decrease Font Size"] \
3180                 -command {incr_font_size font_diff -1}
3181         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3182         $ctxm add command \
3183                 -label [mc "Increase Font Size"] \
3184                 -command {incr_font_size font_diff 1}
3185         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3186         $ctxm add separator
3187         set emenu $ctxm.enc
3188         menu $emenu
3189         build_encoding_menu $emenu [list force_diff_encoding]
3190         $ctxm add cascade \
3191                 -label [mc "Encoding"] \
3192                 -menu $emenu
3193         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3194         $ctxm add separator
3195         $ctxm add command -label [mc "Options..."] \
3196                 -command do_options
3197 }
3198
3199 set ctxm .vpane.lower.diff.body.ctxm
3200 menu $ctxm -tearoff 0
3201 $ctxm add command \
3202         -label [mc "Apply/Reverse Hunk"] \
3203         -command {apply_hunk $cursorX $cursorY}
3204 set ui_diff_applyhunk [$ctxm index last]
3205 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3206 $ctxm add command \
3207         -label [mc "Apply/Reverse Line"] \
3208         -command {apply_line $cursorX $cursorY; do_rescan}
3209 set ui_diff_applyline [$ctxm index last]
3210 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3211 $ctxm add separator
3212 $ctxm add command \
3213         -label [mc "Show Less Context"] \
3214         -command show_less_context
3215 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3216 $ctxm add command \
3217         -label [mc "Show More Context"] \
3218         -command show_more_context
3219 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3220 $ctxm add separator
3221 create_common_diff_popup $ctxm
3222
3223 set ctxmmg .vpane.lower.diff.body.ctxmmg
3224 menu $ctxmmg -tearoff 0
3225 $ctxmmg add command \
3226         -label [mc "Run Merge Tool"] \
3227         -command {merge_resolve_tool}
3228 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3229 $ctxmmg add separator
3230 $ctxmmg add command \
3231         -label [mc "Use Remote Version"] \
3232         -command {merge_resolve_one 3}
3233 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3234 $ctxmmg add command \
3235         -label [mc "Use Local Version"] \
3236         -command {merge_resolve_one 2}
3237 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3238 $ctxmmg add command \
3239         -label [mc "Revert To Base"] \
3240         -command {merge_resolve_one 1}
3241 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3242 $ctxmmg add separator
3243 $ctxmmg add command \
3244         -label [mc "Show Less Context"] \
3245         -command show_less_context
3246 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3247 $ctxmmg add command \
3248         -label [mc "Show More Context"] \
3249         -command show_more_context
3250 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3251 $ctxmmg add separator
3252 create_common_diff_popup $ctxmmg
3253
3254 set ctxmsm .vpane.lower.diff.body.ctxmsm
3255 menu $ctxmsm -tearoff 0
3256 $ctxmsm add command \
3257         -label [mc "Start git gui In The Submodule"] \
3258         -command {do_git_gui}
3259 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3260 $ctxmsm add command \
3261         -label [mc "Visualize These Changes In The Submodule"] \
3262         -command {do_gitk {} true}
3263 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3264 $ctxmsm add command \
3265         -label [mc "Visualize This Commits History In The Submodule"] \
3266         -command {do_gitk -- true}
3267 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3268 $ctxmsm add command \
3269         -label [mc "Visualize All Branch History In The Submodule"] \
3270         -command {do_gitk --all true}
3271 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3272 $ctxmsm add separator
3273 create_common_diff_popup $ctxmsm
3274
3275 proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3276         global current_diff_path file_states
3277         set ::cursorX $x
3278         set ::cursorY $y
3279         if {[info exists file_states($current_diff_path)]} {
3280                 set state [lindex $file_states($current_diff_path) 0]
3281         } else {
3282                 set state {__}
3283         }
3284         if {[string first {U} $state] >= 0} {
3285                 tk_popup $ctxmmg $X $Y
3286         } elseif {$::is_submodule_diff} {
3287                 tk_popup $ctxmsm $X $Y
3288         } else {
3289                 if {$::ui_index eq $::current_diff_side} {
3290                         set l [mc "Unstage Hunk From Commit"]
3291                         set t [mc "Unstage Line From Commit"]
3292                 } else {
3293                         set l [mc "Stage Hunk For Commit"]
3294                         set t [mc "Stage Line For Commit"]
3295                 }
3296                 if {$::is_3way_diff
3297                         || $current_diff_path eq {}
3298                         || {__} eq $state
3299                         || {_O} eq $state
3300                         || {_T} eq $state
3301                         || {T_} eq $state} {
3302                         set s disabled
3303                 } else {
3304                         set s normal
3305                 }
3306                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3307                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3308                 tk_popup $ctxm $X $Y
3309         }
3310 }
3311 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3312
3313 # -- Status Bar
3314 #
3315 set main_status [::status_bar::new .status]
3316 pack .status -anchor w -side bottom -fill x
3317 $main_status show [mc "Initializing..."]
3318
3319 # -- Load geometry
3320 #
3321 catch {
3322 set gm $repo_config(gui.geometry)
3323 wm geometry . [lindex $gm 0]
3324 .vpane sash place 0 \
3325         [lindex $gm 1] \
3326         [lindex [.vpane sash coord 0] 1]
3327 .vpane.files sash place 0 \
3328         [lindex [.vpane.files sash coord 0] 0] \
3329         [lindex $gm 2]
3330 unset gm
3331 }
3332
3333 # -- Key Bindings
3334 #
3335 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3336 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3337 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3338 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3339 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3340 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3341 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3342 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3343 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3344 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3345 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3346 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3347 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3348 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3349 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3350 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3351 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3352 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3353
3354 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3355 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3356 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3357 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3358 bind $ui_diff <$M1B-Key-v> {break}
3359 bind $ui_diff <$M1B-Key-V> {break}
3360 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3361 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3362 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3363 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3364 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3365 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3366 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3367 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3368 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3369 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3370 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3371 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3372 bind $ui_diff <Button-1>   {focus %W}
3373
3374 if {[is_enabled branch]} {
3375         bind . <$M1B-Key-n> branch_create::dialog
3376         bind . <$M1B-Key-N> branch_create::dialog
3377         bind . <$M1B-Key-o> branch_checkout::dialog
3378         bind . <$M1B-Key-O> branch_checkout::dialog
3379         bind . <$M1B-Key-m> merge::dialog
3380         bind . <$M1B-Key-M> merge::dialog
3381 }
3382 if {[is_enabled transport]} {
3383         bind . <$M1B-Key-p> do_push_anywhere
3384         bind . <$M1B-Key-P> do_push_anywhere
3385 }
3386
3387 bind .   <Key-F5>     ui_do_rescan
3388 bind .   <$M1B-Key-r> ui_do_rescan
3389 bind .   <$M1B-Key-R> ui_do_rescan
3390 bind .   <$M1B-Key-s> do_signoff
3391 bind .   <$M1B-Key-S> do_signoff
3392 bind .   <$M1B-Key-t> do_add_selection
3393 bind .   <$M1B-Key-T> do_add_selection
3394 bind .   <$M1B-Key-i> do_add_all
3395 bind .   <$M1B-Key-I> do_add_all
3396 bind .   <$M1B-Key-minus> {show_less_context;break}
3397 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3398 bind .   <$M1B-Key-equal> {show_more_context;break}
3399 bind .   <$M1B-Key-plus> {show_more_context;break}
3400 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3401 bind .   <$M1B-Key-Return> do_commit
3402 foreach i [list $ui_index $ui_workdir] {
3403         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3404         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3405         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3406 }
3407 unset i
3408
3409 set file_lists($ui_index) [list]
3410 set file_lists($ui_workdir) [list]
3411
3412 wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3413 focus -force $ui_comm
3414
3415 # -- Warn the user about environmental problems.  Cygwin's Tcl
3416 #    does *not* pass its env array onto any processes it spawns.
3417 #    This means that git processes get none of our environment.
3418 #
3419 if {[is_Cygwin]} {
3420         set ignored_env 0
3421         set suggest_user {}
3422         set msg [mc "Possible environment issues exist.
3423
3424 The following environment variables are probably
3425 going to be ignored by any Git subprocess run
3426 by %s:
3427
3428 " [appname]]
3429         foreach name [array names env] {
3430                 switch -regexp -- $name {
3431                 {^GIT_INDEX_FILE$} -
3432                 {^GIT_OBJECT_DIRECTORY$} -
3433                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3434                 {^GIT_DIFF_OPTS$} -
3435                 {^GIT_EXTERNAL_DIFF$} -
3436                 {^GIT_PAGER$} -
3437                 {^GIT_TRACE$} -
3438                 {^GIT_CONFIG$} -
3439                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3440                         append msg " - $name\n"
3441                         incr ignored_env
3442                 }
3443                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3444                         append msg " - $name\n"
3445                         incr ignored_env
3446                         set suggest_user $name
3447                 }
3448                 }
3449         }
3450         if {$ignored_env > 0} {
3451                 append msg [mc "
3452 This is due to a known issue with the
3453 Tcl binary distributed by Cygwin."]
3454
3455                 if {$suggest_user ne {}} {
3456                         append msg [mc "
3457
3458 A good replacement for %s
3459 is placing values for the user.name and
3460 user.email settings into your personal
3461 ~/.gitconfig file.
3462 " $suggest_user]
3463                 }
3464                 warn_popup $msg
3465         }
3466         unset ignored_env msg suggest_user name
3467 }
3468
3469 # -- Only initialize complex UI if we are going to stay running.
3470 #
3471 if {[is_enabled transport]} {
3472         load_all_remotes
3473
3474         set n [.mbar.remote index end]
3475         populate_remotes_menu
3476         set n [expr {[.mbar.remote index end] - $n}]
3477         if {$n > 0} {
3478                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3479                 .mbar.remote insert $n separator
3480         }
3481         unset n
3482 }
3483
3484 if {[winfo exists $ui_comm]} {
3485         set GITGUI_BCK_exists [load_message GITGUI_BCK]
3486
3487         # -- If both our backup and message files exist use the
3488         #    newer of the two files to initialize the buffer.
3489         #
3490         if {$GITGUI_BCK_exists} {
3491                 set m [gitdir GITGUI_MSG]
3492                 if {[file isfile $m]} {
3493                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3494                                 catch {file delete [gitdir GITGUI_MSG]}
3495                         } else {
3496                                 $ui_comm delete 0.0 end
3497                                 $ui_comm edit reset
3498                                 $ui_comm edit modified false
3499                                 catch {file delete [gitdir GITGUI_BCK]}
3500                                 set GITGUI_BCK_exists 0
3501                         }
3502                 }
3503                 unset m
3504         }
3505
3506         proc backup_commit_buffer {} {
3507                 global ui_comm GITGUI_BCK_exists
3508
3509                 set m [$ui_comm edit modified]
3510                 if {$m || $GITGUI_BCK_exists} {
3511                         set msg [string trim [$ui_comm get 0.0 end]]
3512                         regsub -all -line {[ \r\t]+$} $msg {} msg
3513
3514                         if {$msg eq {}} {
3515                                 if {$GITGUI_BCK_exists} {
3516                                         catch {file delete [gitdir GITGUI_BCK]}
3517                                         set GITGUI_BCK_exists 0
3518                                 }
3519                         } elseif {$m} {
3520                                 catch {
3521                                         set fd [open [gitdir GITGUI_BCK] w]
3522                                         puts -nonewline $fd $msg
3523                                         close $fd
3524                                         set GITGUI_BCK_exists 1
3525                                 }
3526                         }
3527
3528                         $ui_comm edit modified false
3529                 }
3530
3531                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3532         }
3533
3534         backup_commit_buffer
3535
3536         # -- If the user has aspell available we can drive it
3537         #    in pipe mode to spellcheck the commit message.
3538         #
3539         set spell_cmd [list |]
3540         set spell_dict [get_config gui.spellingdictionary]
3541         lappend spell_cmd aspell
3542         if {$spell_dict ne {}} {
3543                 lappend spell_cmd --master=$spell_dict
3544         }
3545         lappend spell_cmd --mode=none
3546         lappend spell_cmd --encoding=utf-8
3547         lappend spell_cmd pipe
3548         if {$spell_dict eq {none}
3549          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3550                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3551         } else {
3552                 set ui_comm_spell [spellcheck::init \
3553                         $spell_fd \
3554                         $ui_comm \
3555                         $ui_comm_ctxm \
3556                 ]
3557         }
3558         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3559 }
3560
3561 lock_index begin-read
3562 if {![winfo ismapped .]} {
3563         wm deiconify .
3564 }
3565 after 1 {
3566         if {[is_enabled initialamend]} {
3567                 force_amend
3568         } else {
3569                 do_rescan
3570         }
3571
3572         if {[is_enabled nocommitmsg]} {
3573                 $ui_comm configure -state disabled -background gray
3574         }
3575 }
3576 if {[is_enabled multicommit]} {
3577         after 1000 hint_gc
3578 }
3579 if {[is_enabled retcode]} {
3580         bind . <Destroy> {+terminate_me %W}
3581 }
3582 if {$picked && [is_config_true gui.autoexplore]} {
3583         do_explore
3584 }