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 [string map [list (c) \u00a9] {
  14 Copyright (c) 2006-2010 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 "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         if {[tk windowingsystem] eq "win32"} { console show }
  87 }
  88
  89 ######################################################################
  90 ##
  91 ## Internationalization (i18n) through msgcat and gettext. See
  92 ## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  93
  94 package require msgcat
  95
  96 # Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
  97 if {[tk windowingsystem] eq "win32"
  98         && [package vcompare [package provide msgcat] 1.4.4] < 0
  99 } then {
 100         proc _mc_update_locale {} {
 101                 set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 102                 if {![catch {
 103                         package require registry
 104                         set uilocale [registry get $key "PreferredUILanguages"]
 105                         msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 106                 } uilocale]} {
 107                         if {[string length $uilocale] > 0} {
 108                                 msgcat::mclocale $uilocale
 109                         }
 110                 }
 111         }
 112         _mc_update_locale
 113 }
 114
 115 proc _mc_trim {fmt} {
 116         set cmk [string first @@ $fmt]
 117         if {$cmk > 0} {
 118                 return [string range $fmt 0 [expr {$cmk - 1}]]
 119         }
 120         return $fmt
 121 }
 122
 123 proc mc {en_fmt args} {
 124         set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 125         if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 126                 set msg [eval [list format [_mc_trim $en_fmt]] $args]
 127         }
 128         return $msg
 129 }
 130
 131 proc strcat {args} {
 132         return [join $args {}]
 133 }
 134
 135 ::msgcat::mcload $oguimsg
 136 unset oguimsg
 137
 138 ######################################################################
 139 ##
 140 ## read only globals
 141
 142 set _appname {Git Gui}
 143 set _gitdir {}
 144 set _gitworktree {}
 145 set _isbare {}
 146 set _gitexec {}
 147 set _githtmldir {}
 148 set _reponame {}
 149 set _iscygwin {}
 150 set _search_path {}
 151 set _shellpath {@@SHELL_PATH@@}
 152
 153 set _trace [lsearch -exact $argv --trace]
 154 if {$_trace >= 0} {
 155         set argv [lreplace $argv $_trace $_trace]
 156         set _trace 1
 157 } else {
 158         set _trace 0
 159 }
 160
 161 # variable for the last merged branch (useful for a default when deleting
 162 # branches).
 163 set _last_merged_branch {}
 164
 165 proc shellpath {} {
 166         global _shellpath env
 167         if {[string match @@* $_shellpath]} {
 168                 if {[info exists env(SHELL)]} {
 169                         return $env(SHELL)
 170                 } else {
 171                         return /bin/sh
 172                 }
 173         }
 174         return $_shellpath
 175 }
 176
 177 proc appname {} {
 178         global _appname
 179         return $_appname
 180 }
 181
 182 proc gitdir {args} {
 183         global _gitdir
 184         if {$args eq {}} {
 185                 return $_gitdir
 186         }
 187         return [eval [list file join $_gitdir] $args]
 188 }
 189
 190 proc gitexec {args} {
 191         global _gitexec
 192         if {$_gitexec eq {}} {
 193                 if {[catch {set _gitexec [git --exec-path]} err]} {
 194                         error "Git not installed?\n\n$err"
 195                 }
 196                 if {[is_Cygwin]} {
 197                         set _gitexec [exec cygpath \
 198                                 --windows \
 199                                 --absolute \
 200                                 $_gitexec]
 201                 } else {
 202                         set _gitexec [file normalize $_gitexec]
 203                 }
 204         }
 205         if {$args eq {}} {
 206                 return $_gitexec
 207         }
 208         return [eval [list file join $_gitexec] $args]
 209 }
 210
 211 proc githtmldir {args} {
 212         global _githtmldir
 213         if {$_githtmldir eq {}} {
 214                 if {[catch {set _githtmldir [git --html-path]}]} {
 215                         # Git not installed or option not yet supported
 216                         return {}
 217                 }
 218                 if {[is_Cygwin]} {
 219                         set _githtmldir [exec cygpath \
 220                                 --windows \
 221                                 --absolute \
 222                                 $_githtmldir]
 223                 } else {
 224                         set _githtmldir [file normalize $_githtmldir]
 225                 }
 226         }
 227         if {$args eq {}} {
 228                 return $_githtmldir
 229         }
 230         return [eval [list file join $_githtmldir] $args]
 231 }
 232
 233 proc reponame {} {
 234         return $::_reponame
 235 }
 236
 237 proc is_MacOSX {} {
 238         if {[tk windowingsystem] eq {aqua}} {
 239                 return 1
 240         }
 241         return 0
 242 }
 243
 244 proc is_Windows {} {
 245         if {$::tcl_platform(platform) eq {windows}} {
 246                 return 1
 247         }
 248         return 0
 249 }
 250
 251 proc is_Cygwin {} {
 252         global _iscygwin
 253         if {$_iscygwin eq {}} {
 254                 if {$::tcl_platform(platform) eq {windows}} {
 255                         if {[catch {set p [exec cygpath --windir]} err]} {
 256                                 set _iscygwin 0
 257                         } else {
 258                                 set _iscygwin 1
 259                         }
 260                 } else {
 261                         set _iscygwin 0
 262                 }
 263         }
 264         return $_iscygwin
 265 }
 266
 267 proc is_enabled {option} {
 268         global enabled_options
 269         if {[catch {set on $enabled_options($option)}]} {return 0}
 270         return $on
 271 }
 272
 273 proc enable_option {option} {
 274         global enabled_options
 275         set enabled_options($option) 1
 276 }
 277
 278 proc disable_option {option} {
 279         global enabled_options
 280         set enabled_options($option) 0
 281 }
 282
 283 ######################################################################
 284 ##
 285 ## config
 286
 287 proc is_many_config {name} {
 288         switch -glob -- $name {
 289         gui.recentrepo -
 290         remote.*.fetch -
 291         remote.*.push
 292                 {return 1}
 293         *
 294                 {return 0}
 295         }
 296 }
 297
 298 proc is_config_true {name} {
 299         global repo_config
 300         if {[catch {set v $repo_config($name)}]} {
 301                 return 0
 302         } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 303                 return 1
 304         } else {
 305                 return 0
 306         }
 307 }
 308
 309 proc is_config_false {name} {
 310         global repo_config
 311         if {[catch {set v $repo_config($name)}]} {
 312                 return 0
 313         } elseif {$v eq {false} || $v eq {0} || $v eq {no}} {
 314                 return 1
 315         } else {
 316                 return 0
 317         }
 318 }
 319
 320 proc get_config {name} {
 321         global repo_config
 322         if {[catch {set v $repo_config($name)}]} {
 323                 return {}
 324         } else {
 325                 return $v
 326         }
 327 }
 328
 329 proc is_bare {} {
 330         global _isbare
 331         global _gitdir
 332         global _gitworktree
 333
 334         if {$_isbare eq {}} {
 335                 if {[catch {
 336                         set _bare [git rev-parse --is-bare-repository]
 337                         switch  -- $_bare {
 338                         true { set _isbare 1 }
 339                         false { set _isbare 0}
 340                         default { throw }
 341                         }
 342                 }]} {
 343                         if {[is_config_true core.bare]
 344                                 || ($_gitworktree eq {}
 345                                         && [lindex [file split $_gitdir] end] ne {.git})} {
 346                                 set _isbare 1
 347                         } else {
 348                                 set _isbare 0
 349                         }
 350                 }
 351         }
 352         return $_isbare
 353 }
 354
 355 ######################################################################
 356 ##
 357 ## handy utils
 358
 359 proc _trace_exec {cmd} {
 360         if {!$::_trace} return
 361         set d {}
 362         foreach v $cmd {
 363                 if {$d ne {}} {
 364                         append d { }
 365                 }
 366                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 367                         set v [sq $v]
 368                 }
 369                 append d $v
 370         }
 371         puts stderr $d
 372 }
 373
 374 #'"  fix poor old emacs font-lock mode
 375
 376 proc _git_cmd {name} {
 377         global _git_cmd_path
 378
 379         if {[catch {set v $_git_cmd_path($name)}]} {
 380                 switch -- $name {
 381                   version   -
 382                 --version   -
 383                 --exec-path { return [list $::_git $name] }
 384                 }
 385
 386                 set p [gitexec git-$name$::_search_exe]
 387                 if {[file exists $p]} {
 388                         set v [list $p]
 389                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 390                         # Try to determine what sort of magic will make
 391                         # git-$name go and do its thing, because native
 392                         # Tcl on Windows doesn't know it.
 393                         #
 394                         set p [gitexec git-$name]
 395                         set f [open $p r]
 396                         set s [gets $f]
 397                         close $f
 398
 399                         switch -glob -- [lindex $s 0] {
 400                         #!*sh     { set i sh     }
 401                         #!*perl   { set i perl   }
 402                         #!*python { set i python }
 403                         default   { error "git-$name is not supported: $s" }
 404                         }
 405
 406                         upvar #0 _$i interp
 407                         if {![info exists interp]} {
 408                                 set interp [_which $i]
 409                         }
 410                         if {$interp eq {}} {
 411                                 error "git-$name requires $i (not in PATH)"
 412                         }
 413                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 414                 } else {
 415                         # Assume it is builtin to git somehow and we
 416                         # aren't actually able to see a file for it.
 417                         #
 418                         set v [list $::_git $name]
 419                 }
 420                 set _git_cmd_path($name) $v
 421         }
 422         return $v
 423 }
 424
 425 proc _which {what args} {
 426         global env _search_exe _search_path
 427
 428         if {$_search_path eq {}} {
 429                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 430                         set _search_path [split [exec cygpath \
 431                                 --windows \
 432                                 --path \
 433                                 --absolute \
 434                                 $env(PATH)] {;}]
 435                         set _search_exe .exe
 436                 } elseif {[is_Windows]} {
 437                         set gitguidir [file dirname [info script]]
 438                         regsub -all ";" $gitguidir "\\;" gitguidir
 439                         set env(PATH) "$gitguidir;$env(PATH)"
 440                         set _search_path [split $env(PATH) {;}]
 441                         set _search_exe .exe
 442                 } else {
 443                         set _search_path [split $env(PATH) :]
 444                         set _search_exe {}
 445                 }
 446         }
 447
 448         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 449                 set suffix {}
 450         } else {
 451                 set suffix $_search_exe
 452         }
 453
 454         foreach p $_search_path {
 455                 set p [file join $p $what$suffix]
 456                 if {[file exists $p]} {
 457                         return [file normalize $p]
 458                 }
 459         }
 460         return {}
 461 }
 462
 463 proc _lappend_nice {cmd_var} {
 464         global _nice
 465         upvar $cmd_var cmd
 466
 467         if {![info exists _nice]} {
 468                 set _nice [_which nice]
 469                 if {[catch {exec $_nice git version}]} {
 470                         set _nice {}
 471                 } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 472                         set _nice {}
 473                 }
 474         }
 475         if {$_nice ne {}} {
 476                 lappend cmd $_nice
 477         }
 478 }
 479
 480 proc git {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         set result [eval exec $opt $cmdp $args]
 503         if {$::_trace} {
 504                 puts stderr "< $result"
 505         }
 506         return $result
 507 }
 508
 509 proc _open_stdout_stderr {cmd} {
 510         _trace_exec $cmd
 511         if {[catch {
 512                         set fd [open [concat [list | ] $cmd] r]
 513                 } err]} {
 514                 if {   [lindex $cmd end] eq {2>@1}
 515                     && $err eq {can not find channel named "1"}
 516                         } {
 517                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 518                         # redirect operator.  Fallback to |& cat for those.
 519                         # The command was not actually started, so its safe
 520                         # to try to start it a second time.
 521                         #
 522                         set fd [open [concat \
 523                                 [list | ] \
 524                                 [lrange $cmd 0 end-1] \
 525                                 [list |& cat] \
 526                                 ] r]
 527                 } else {
 528                         error $err
 529                 }
 530         }
 531         fconfigure $fd -eofchar {}
 532         return $fd
 533 }
 534
 535 proc git_read {args} {
 536         set opt [list]
 537
 538         while {1} {
 539                 switch -- [lindex $args 0] {
 540                 --nice {
 541                         _lappend_nice opt
 542                 }
 543
 544                 --stderr {
 545                         lappend args 2>@1
 546                 }
 547
 548                 default {
 549                         break
 550                 }
 551
 552                 }
 553
 554                 set args [lrange $args 1 end]
 555         }
 556
 557         set cmdp [_git_cmd [lindex $args 0]]
 558         set args [lrange $args 1 end]
 559
 560         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 561 }
 562
 563 proc git_write {args} {
 564         set opt [list]
 565
 566         while {1} {
 567                 switch -- [lindex $args 0] {
 568                 --nice {
 569                         _lappend_nice opt
 570                 }
 571
 572                 default {
 573                         break
 574                 }
 575
 576                 }
 577
 578                 set args [lrange $args 1 end]
 579         }
 580
 581         set cmdp [_git_cmd [lindex $args 0]]
 582         set args [lrange $args 1 end]
 583
 584         _trace_exec [concat $opt $cmdp $args]
 585         return [open [concat [list | ] $opt $cmdp $args] w]
 586 }
 587
 588 proc githook_read {hook_name args} {
 589         set pchook [gitdir hooks $hook_name]
 590         lappend args 2>@1
 591
 592         # On Windows [file executable] might lie so we need to ask
 593         # the shell if the hook is executable.  Yes that's annoying.
 594         #
 595         if {[is_Windows]} {
 596                 upvar #0 _sh interp
 597                 if {![info exists interp]} {
 598                         set interp [_which sh]
 599                 }
 600                 if {$interp eq {}} {
 601                         error "hook execution requires sh (not in PATH)"
 602                 }
 603
 604                 set scr {if test -x "$1";then exec "$@";fi}
 605                 set sh_c [list $interp -c $scr $interp $pchook]
 606                 return [_open_stdout_stderr [concat $sh_c $args]]
 607         }
 608
 609         if {[file executable $pchook]} {
 610                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 611         }
 612
 613         return {}
 614 }
 615
 616 proc kill_file_process {fd} {
 617         set process [pid $fd]
 618
 619         catch {
 620                 if {[is_Windows]} {
 621                         # Use a Cygwin-specific flag to allow killing
 622                         # native Windows processes
 623                         exec kill -f $process
 624                 } else {
 625                         exec kill $process
 626                 }
 627         }
 628 }
 629
 630 proc gitattr {path attr default} {
 631         if {[catch {set r [git check-attr $attr -- $path]}]} {
 632                 set r unspecified
 633         } else {
 634                 set r [join [lrange [split $r :] 2 end] :]
 635                 regsub {^ } $r {} r
 636         }
 637         if {$r eq {unspecified}} {
 638                 return $default
 639         }
 640         return $r
 641 }
 642
 643 proc sq {value} {
 644         regsub -all ' $value "'\\''" value
 645         return "'$value'"
 646 }
 647
 648 proc load_current_branch {} {
 649         global current_branch is_detached
 650
 651         set fd [open [gitdir HEAD] r]
 652         if {[gets $fd ref] < 1} {
 653                 set ref {}
 654         }
 655         close $fd
 656
 657         set pfx {ref: refs/heads/}
 658         set len [string length $pfx]
 659         if {[string equal -length $len $pfx $ref]} {
 660                 # We're on a branch.  It might not exist.  But
 661                 # HEAD looks good enough to be a branch.
 662                 #
 663                 set current_branch [string range $ref $len end]
 664                 set is_detached 0
 665         } else {
 666                 # Assume this is a detached head.
 667                 #
 668                 set current_branch HEAD
 669                 set is_detached 1
 670         }
 671 }
 672
 673 auto_load tk_optionMenu
 674 rename tk_optionMenu real__tkOptionMenu
 675 proc tk_optionMenu {w varName args} {
 676         set m [eval real__tkOptionMenu $w $varName $args]
 677         $m configure -font font_ui
 678         $w configure -font font_ui
 679         return $m
 680 }
 681
 682 proc rmsel_tag {text} {
 683         $text tag conf sel \
 684                 -background [$text cget -background] \
 685                 -foreground [$text cget -foreground] \
 686                 -borderwidth 0
 687         $text tag conf in_sel -background lightgray
 688         bind $text <Motion> break
 689         return $text
 690 }
 691
 692 wm withdraw .
 693 set root_exists 0
 694 bind . <Visibility> {
 695         bind . <Visibility> {}
 696         set root_exists 1
 697 }
 698
 699 if {[is_Windows]} {
 700         wm iconbitmap . -default $oguilib/git-gui.ico
 701         set ::tk::AlwaysShowSelection 1
 702         bind . <Control-F2> {console show}
 703
 704         # Spoof an X11 display for SSH
 705         if {![info exists env(DISPLAY)]} {
 706                 set env(DISPLAY) :9999
 707         }
 708 } else {
 709         catch {
 710                 image create photo gitlogo -width 16 -height 16
 711
 712                 gitlogo put #33CC33 -to  7  0  9  2
 713                 gitlogo put #33CC33 -to  4  2 12  4
 714                 gitlogo put #33CC33 -to  7  4  9  6
 715                 gitlogo put #CC3333 -to  4  6 12  8
 716                 gitlogo put gray26  -to  4  9  6 10
 717                 gitlogo put gray26  -to  3 10  6 12
 718                 gitlogo put gray26  -to  8  9 13 11
 719                 gitlogo put gray26  -to  8 11 10 12
 720                 gitlogo put gray26  -to 11 11 13 14
 721                 gitlogo put gray26  -to  3 12  5 14
 722                 gitlogo put gray26  -to  5 13
 723                 gitlogo put gray26  -to 10 13
 724                 gitlogo put gray26  -to  4 14 12 15
 725                 gitlogo put gray26  -to  5 15 11 16
 726                 gitlogo redither
 727
 728                 wm iconphoto . -default gitlogo
 729         }
 730 }
 731
 732 ######################################################################
 733 ##
 734 ## config defaults
 735
 736 set cursor_ptr arrow
 737 font create font_ui
 738 if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 739         eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 740         eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 741 } else {
 742         font create font_diff -family Courier -size 10
 743         catch {
 744                 label .dummy
 745                 eval font configure font_ui [font actual [.dummy cget -font]]
 746                 destroy .dummy
 747         }
 748 }
 749
 750 font create font_uiitalic
 751 font create font_uibold
 752 font create font_diffbold
 753 font create font_diffitalic
 754
 755 foreach class {Button Checkbutton Entry Label
 756                 Labelframe Listbox Message
 757                 Radiobutton Spinbox Text} {
 758         option add *$class.font font_ui
 759 }
 760 if {![is_MacOSX]} {
 761         option add *Menu.font font_ui
 762         option add *Entry.borderWidth 1 startupFile
 763         option add *Entry.relief sunken startupFile
 764         option add *RadioButton.anchor w startupFile
 765 }
 766 unset class
 767
 768 if {[is_Windows] || [is_MacOSX]} {
 769         option add *Menu.tearOff 0
 770 }
 771
 772 if {[is_MacOSX]} {
 773         set M1B M1
 774         set M1T Cmd
 775 } else {
 776         set M1B Control
 777         set M1T Ctrl
 778 }
 779
 780 proc bind_button3 {w cmd} {
 781         bind $w <Any-Button-3> $cmd
 782         if {[is_MacOSX]} {
 783                 # Mac OS X sends Button-2 on right click through three-button mouse,
 784                 # or through trackpad right-clicking (two-finger touch + click).
 785                 bind $w <Any-Button-2> $cmd
 786                 bind $w <Control-Button-1> $cmd
 787         }
 788 }
 789
 790 proc apply_config {} {
 791         global repo_config font_descs
 792
 793         foreach option $font_descs {
 794                 set name [lindex $option 0]
 795                 set font [lindex $option 1]
 796                 if {[catch {
 797                         set need_weight 1
 798                         foreach {cn cv} $repo_config(gui.$name) {
 799                                 if {$cn eq {-weight}} {
 800                                         set need_weight 0
 801                                 }
 802                                 font configure $font $cn $cv
 803                         }
 804                         if {$need_weight} {
 805                                 font configure $font -weight normal
 806                         }
 807                         } err]} {
 808                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 809                 }
 810                 foreach {cn cv} [font configure $font] {
 811                         font configure ${font}bold $cn $cv
 812                         font configure ${font}italic $cn $cv
 813                 }
 814                 font configure ${font}bold -weight bold
 815                 font configure ${font}italic -slant italic
 816         }
 817
 818         global use_ttk NS
 819         set use_ttk 0
 820         set NS {}
 821         if {$repo_config(gui.usettk)} {
 822                 set use_ttk [package vsatisfies [package provide Tk] 8.5]
 823                 if {$use_ttk} {
 824                         set NS ttk
 825                         bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 826                         pave_toplevel .
 827                 }
 828         }
 829 }
 830
 831 set default_config(branch.autosetupmerge) true
 832 set default_config(merge.tool) {}
 833 set default_config(mergetool.keepbackup) true
 834 set default_config(merge.diffstat) true
 835 set default_config(merge.summary) false
 836 set default_config(merge.verbosity) 2
 837 set default_config(user.name) {}
 838 set default_config(user.email) {}
 839
 840 set default_config(gui.encoding) [encoding system]
 841 set default_config(gui.matchtrackingbranch) false
 842 set default_config(gui.textconv) true
 843 set default_config(gui.pruneduringfetch) false
 844 set default_config(gui.trustmtime) false
 845 set default_config(gui.fastcopyblame) false
 846 set default_config(gui.copyblamethreshold) 40
 847 set default_config(gui.blamehistoryctx) 7
 848 set default_config(gui.diffcontext) 5
 849 set default_config(gui.commitmsgwidth) 75
 850 set default_config(gui.newbranchtemplate) {}
 851 set default_config(gui.spellingdictionary) {}
 852 set default_config(gui.fontui) [font configure font_ui]
 853 set default_config(gui.fontdiff) [font configure font_diff]
 854 # TODO: this option should be added to the git-config documentation
 855 set default_config(gui.maxfilesdisplayed) 5000
 856 set default_config(gui.usettk) 1
 857 set default_config(gui.warndetachedcommit) 1
 858 set font_descs {
 859         {fontui   font_ui   {mc "Main Font"}}
 860         {fontdiff font_diff {mc "Diff/Console Font"}}
 861 }
 862
 863 ######################################################################
 864 ##
 865 ## find git
 866
 867 set _git  [_which git]
 868 if {$_git eq {}} {
 869         catch {wm withdraw .}
 870         tk_messageBox \
 871                 -icon error \
 872                 -type ok \
 873                 -title [mc "git-gui: fatal error"] \
 874                 -message [mc "Cannot find git in PATH."]
 875         exit 1
 876 }
 877
 878 ######################################################################
 879 ##
 880 ## version check
 881
 882 if {[catch {set _git_version [git --version]} err]} {
 883         catch {wm withdraw .}
 884         tk_messageBox \
 885                 -icon error \
 886                 -type ok \
 887                 -title [mc "git-gui: fatal error"] \
 888                 -message "Cannot determine Git version:
 889
 890 $err
 891
 892 [appname] requires Git 1.5.0 or later."
 893         exit 1
 894 }
 895 if {![regsub {^git version } $_git_version {} _git_version]} {
 896         catch {wm withdraw .}
 897         tk_messageBox \
 898                 -icon error \
 899                 -type ok \
 900                 -title [mc "git-gui: fatal error"] \
 901                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 902         exit 1
 903 }
 904
 905 proc get_trimmed_version {s} {
 906     set r {}
 907     foreach x [split $s -._] {
 908         if {[string is integer -strict $x]} {
 909             lappend r $x
 910         } else {
 911             break
 912         }
 913     }
 914     return [join $r .]
 915 }
 916 set _real_git_version $_git_version
 917 set _git_version [get_trimmed_version $_git_version]
 918
 919 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 920         catch {wm withdraw .}
 921         if {[tk_messageBox \
 922                 -icon warning \
 923                 -type yesno \
 924                 -default no \
 925                 -title "[appname]: warning" \
 926                  -message [mc "Git version cannot be determined.
 927
 928 %s claims it is version '%s'.
 929
 930 %s requires at least Git 1.5.0 or later.
 931
 932 Assume '%s' is version 1.5.0?
 933 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 934                 set _git_version 1.5.0
 935         } else {
 936                 exit 1
 937         }
 938 }
 939 unset _real_git_version
 940
 941 proc git-version {args} {
 942         global _git_version
 943
 944         switch [llength $args] {
 945         0 {
 946                 return $_git_version
 947         }
 948
 949         2 {
 950                 set op [lindex $args 0]
 951                 set vr [lindex $args 1]
 952                 set cm [package vcompare $_git_version $vr]
 953                 return [expr $cm $op 0]
 954         }
 955
 956         4 {
 957                 set type [lindex $args 0]
 958                 set name [lindex $args 1]
 959                 set parm [lindex $args 2]
 960                 set body [lindex $args 3]
 961
 962                 if {($type ne {proc} && $type ne {method})} {
 963                         error "Invalid arguments to git-version"
 964                 }
 965                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 966                         error "Last arm of $type $name must be default"
 967                 }
 968
 969                 foreach {op vr cb} [lrange $body 0 end-2] {
 970                         if {[git-version $op $vr]} {
 971                                 return [uplevel [list $type $name $parm $cb]]
 972                         }
 973                 }
 974
 975                 return [uplevel [list $type $name $parm [lindex $body end]]]
 976         }
 977
 978         default {
 979                 error "git-version >= x"
 980         }
 981
 982         }
 983 }
 984
 985 if {[git-version < 1.5]} {
 986         catch {wm withdraw .}
 987         tk_messageBox \
 988                 -icon error \
 989                 -type ok \
 990                 -title [mc "git-gui: fatal error"] \
 991                 -message "[appname] requires Git 1.5.0 or later.
 992
 993 You are using [git-version]:
 994
 995 [git --version]"
 996         exit 1
 997 }
 998
 999 ######################################################################
1000 ##
1001 ## configure our library
1002
1003 set idx [file join $oguilib tclIndex]
1004 if {[catch {set fd [open $idx r]} err]} {
1005         catch {wm withdraw .}
1006         tk_messageBox \
1007                 -icon error \
1008                 -type ok \
1009                 -title [mc "git-gui: fatal error"] \
1010                 -message $err
1011         exit 1
1012 }
1013 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1014         set idx [list]
1015         while {[gets $fd n] >= 0} {
1016                 if {$n ne {} && ![string match #* $n]} {
1017                         lappend idx $n
1018                 }
1019         }
1020 } else {
1021         set idx {}
1022 }
1023 close $fd
1024
1025 if {$idx ne {}} {
1026         set loaded [list]
1027         foreach p $idx {
1028                 if {[lsearch -exact $loaded $p] >= 0} continue
1029                 source [file join $oguilib $p]
1030                 lappend loaded $p
1031         }
1032         unset loaded p
1033 } else {
1034         set auto_path [concat [list $oguilib] $auto_path]
1035 }
1036 unset -nocomplain idx fd
1037
1038 ######################################################################
1039 ##
1040 ## config file parsing
1041
1042 git-version proc _parse_config {arr_name args} {
1043         >= 1.5.3 {
1044                 upvar $arr_name arr
1045                 array unset arr
1046                 set buf {}
1047                 catch {
1048                         set fd_rc [eval \
1049                                 [list git_read config] \
1050                                 $args \
1051                                 [list --null --list]]
1052                         fconfigure $fd_rc -translation binary
1053                         set buf [read $fd_rc]
1054                         close $fd_rc
1055                 }
1056                 foreach line [split $buf "\0"] {
1057                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1058                                 if {[is_many_config $name]} {
1059                                         lappend arr($name) $value
1060                                 } else {
1061                                         set arr($name) $value
1062                                 }
1063                         }
1064                 }
1065         }
1066         default {
1067                 upvar $arr_name arr
1068                 array unset arr
1069                 catch {
1070                         set fd_rc [eval [list git_read config --list] $args]
1071                         while {[gets $fd_rc line] >= 0} {
1072                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1073                                         if {[is_many_config $name]} {
1074                                                 lappend arr($name) $value
1075                                         } else {
1076                                                 set arr($name) $value
1077                                         }
1078                                 }
1079                         }
1080                         close $fd_rc
1081                 }
1082         }
1083 }
1084
1085 proc load_config {include_global} {
1086         global repo_config global_config system_config default_config
1087
1088         if {$include_global} {
1089                 _parse_config system_config --system
1090                 _parse_config global_config --global
1091         }
1092         _parse_config repo_config
1093
1094         foreach name [array names default_config] {
1095                 if {[catch {set v $system_config($name)}]} {
1096                         set system_config($name) $default_config($name)
1097                 }
1098         }
1099         foreach name [array names system_config] {
1100                 if {[catch {set v $global_config($name)}]} {
1101                         set global_config($name) $system_config($name)
1102                 }
1103                 if {[catch {set v $repo_config($name)}]} {
1104                         set repo_config($name) $system_config($name)
1105                 }
1106         }
1107 }
1108
1109 ######################################################################
1110 ##
1111 ## feature option selection
1112
1113 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1114         unset _junk
1115 } else {
1116         set subcommand gui
1117 }
1118 if {$subcommand eq {gui.sh}} {
1119         set subcommand gui
1120 }
1121 if {$subcommand eq {gui} && [llength $argv] > 0} {
1122         set subcommand [lindex $argv 0]
1123         set argv [lrange $argv 1 end]
1124 }
1125
1126 enable_option multicommit
1127 enable_option branch
1128 enable_option transport
1129 disable_option bare
1130
1131 switch -- $subcommand {
1132 browser -
1133 blame {
1134         enable_option bare
1135
1136         disable_option multicommit
1137         disable_option branch
1138         disable_option transport
1139 }
1140 citool {
1141         enable_option singlecommit
1142         enable_option retcode
1143
1144         disable_option multicommit
1145         disable_option branch
1146         disable_option transport
1147
1148         while {[llength $argv] > 0} {
1149                 set a [lindex $argv 0]
1150                 switch -- $a {
1151                 --amend {
1152                         enable_option initialamend
1153                 }
1154                 --nocommit {
1155                         enable_option nocommit
1156                         enable_option nocommitmsg
1157                 }
1158                 --commitmsg {
1159                         disable_option nocommitmsg
1160                 }
1161                 default {
1162                         break
1163                 }
1164                 }
1165
1166                 set argv [lrange $argv 1 end]
1167         }
1168 }
1169 }
1170
1171 ######################################################################
1172 ##
1173 ## execution environment
1174
1175 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1176
1177 # Suggest our implementation of askpass, if none is set
1178 if {![info exists env(SSH_ASKPASS)]} {
1179         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1180 }
1181 if {![info exists env(GIT_ASKPASS)]} {
1182         set env(GIT_ASKPASS) [gitexec git-gui--askpass]
1183 }
1184 if {![info exists env(GIT_ASK_YESNO)]} {
1185         set env(GIT_ASK_YESNO) [gitexec git-gui--askyesno]
1186 }
1187
1188 ######################################################################
1189 ##
1190 ## repository setup
1191
1192 set picked 0
1193 if {[catch {
1194                 set _gitdir $env(GIT_DIR)
1195                 set _prefix {}
1196                 }]
1197         && [catch {
1198                 # beware that from the .git dir this sets _gitdir to .
1199                 # and _prefix to the empty string
1200                 set _gitdir [git rev-parse --git-dir]
1201                 set _prefix [git rev-parse --show-prefix]
1202         } err]} {
1203         load_config 1
1204         apply_config
1205         choose_repository::pick
1206         set picked 1
1207 }
1208
1209 # we expand the _gitdir when it's just a single dot (i.e. when we're being
1210 # run from the .git dir itself) lest the routines to find the worktree
1211 # get confused
1212 if {$_gitdir eq "."} {
1213         set _gitdir [pwd]
1214 }
1215
1216 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1217         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1218 }
1219 if {![file isdirectory $_gitdir]} {
1220         catch {wm withdraw .}
1221         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1222         exit 1
1223 }
1224 # _gitdir exists, so try loading the config
1225 load_config 0
1226 apply_config
1227
1228 # v1.7.0 introduced --show-toplevel to return the canonical work-tree
1229 if {[package vsatisfies $_git_version 1.7.0]} {
1230         set _gitworktree [git rev-parse --show-toplevel]
1231 } else {
1232         # try to set work tree from environment, core.worktree or use
1233         # cdup to obtain a relative path to the top of the worktree. If
1234         # run from the top, the ./ prefix ensures normalize expands pwd.
1235         if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1236                 set _gitworktree [get_config core.worktree]
1237                 if {$_gitworktree eq ""} {
1238                         set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1239                 }
1240         }
1241 }
1242
1243 if {$_prefix ne {}} {
1244         if {$_gitworktree eq {}} {
1245                 regsub -all {[^/]+/} $_prefix ../ cdup
1246         } else {
1247                 set cdup $_gitworktree
1248         }
1249         if {[catch {cd $cdup} err]} {
1250                 catch {wm withdraw .}
1251                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1252                 exit 1
1253         }
1254         set _gitworktree [pwd]
1255         unset cdup
1256 } elseif {![is_enabled bare]} {
1257         if {[is_bare]} {
1258                 catch {wm withdraw .}
1259                 error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1260                 exit 1
1261         }
1262         if {$_gitworktree eq {}} {
1263                 set _gitworktree [file dirname $_gitdir]
1264         }
1265         if {[catch {cd $_gitworktree} err]} {
1266                 catch {wm withdraw .}
1267                 error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1268                 exit 1
1269         }
1270         set _gitworktree [pwd]
1271 }
1272 set _reponame [file split [file normalize $_gitdir]]
1273 if {[lindex $_reponame end] eq {.git}} {
1274         set _reponame [lindex $_reponame end-1]
1275 } else {
1276         set _reponame [lindex $_reponame end]
1277 }
1278
1279 ######################################################################
1280 ##
1281 ## global init
1282
1283 set current_diff_path {}
1284 set current_diff_side {}
1285 set diff_actions [list]
1286
1287 set HEAD {}
1288 set PARENT {}
1289 set MERGE_HEAD [list]
1290 set commit_type {}
1291 set empty_tree {}
1292 set current_branch {}
1293 set is_detached 0
1294 set current_diff_path {}
1295 set is_3way_diff 0
1296 set is_submodule_diff 0
1297 set is_conflict_diff 0
1298 set selected_commit_type new
1299 set diff_empty_count 0
1300
1301 set nullid "0000000000000000000000000000000000000000"
1302 set nullid2 "0000000000000000000000000000000000000001"
1303
1304 ######################################################################
1305 ##
1306 ## task management
1307
1308 set rescan_active 0
1309 set diff_active 0
1310 set last_clicked {}
1311
1312 set disable_on_lock [list]
1313 set index_lock_type none
1314
1315 proc lock_index {type} {
1316         global index_lock_type disable_on_lock
1317
1318         if {$index_lock_type eq {none}} {
1319                 set index_lock_type $type
1320                 foreach w $disable_on_lock {
1321                         uplevel #0 $w disabled
1322                 }
1323                 return 1
1324         } elseif {$index_lock_type eq "begin-$type"} {
1325                 set index_lock_type $type
1326                 return 1
1327         }
1328         return 0
1329 }
1330
1331 proc unlock_index {} {
1332         global index_lock_type disable_on_lock
1333
1334         set index_lock_type none
1335         foreach w $disable_on_lock {
1336                 uplevel #0 $w normal
1337         }
1338 }
1339
1340 ######################################################################
1341 ##
1342 ## status
1343
1344 proc repository_state {ctvar hdvar mhvar} {
1345         global current_branch
1346         upvar $ctvar ct $hdvar hd $mhvar mh
1347
1348         set mh [list]
1349
1350         load_current_branch
1351         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1352                 set hd {}
1353                 set ct initial
1354                 return
1355         }
1356
1357         set merge_head [gitdir MERGE_HEAD]
1358         if {[file exists $merge_head]} {
1359                 set ct merge
1360                 set fd_mh [open $merge_head r]
1361                 while {[gets $fd_mh line] >= 0} {
1362                         lappend mh $line
1363                 }
1364                 close $fd_mh
1365                 return
1366         }
1367
1368         set ct normal
1369 }
1370
1371 proc PARENT {} {
1372         global PARENT empty_tree
1373
1374         set p [lindex $PARENT 0]
1375         if {$p ne {}} {
1376                 return $p
1377         }
1378         if {$empty_tree eq {}} {
1379                 set empty_tree [git mktree << {}]
1380         }
1381         return $empty_tree
1382 }
1383
1384 proc force_amend {} {
1385         global selected_commit_type
1386         global HEAD PARENT MERGE_HEAD commit_type
1387
1388         repository_state newType newHEAD newMERGE_HEAD
1389         set HEAD $newHEAD
1390         set PARENT $newHEAD
1391         set MERGE_HEAD $newMERGE_HEAD
1392         set commit_type $newType
1393
1394         set selected_commit_type amend
1395         do_select_commit_type
1396 }
1397
1398 proc rescan {after {honor_trustmtime 1}} {
1399         global HEAD PARENT MERGE_HEAD commit_type
1400         global ui_index ui_workdir ui_comm
1401         global rescan_active file_states
1402         global repo_config
1403
1404         if {$rescan_active > 0 || ![lock_index read]} return
1405
1406         repository_state newType newHEAD newMERGE_HEAD
1407         if {[string match amend* $commit_type]
1408                 && $newType eq {normal}
1409                 && $newHEAD eq $HEAD} {
1410         } else {
1411                 set HEAD $newHEAD
1412                 set PARENT $newHEAD
1413                 set MERGE_HEAD $newMERGE_HEAD
1414                 set commit_type $newType
1415         }
1416
1417         array unset file_states
1418
1419         if {!$::GITGUI_BCK_exists &&
1420                 (![$ui_comm edit modified]
1421                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1422                 if {[string match amend* $commit_type]} {
1423                 } elseif {[load_message GITGUI_MSG]} {
1424                 } elseif {[run_prepare_commit_msg_hook]} {
1425                 } elseif {[load_message MERGE_MSG]} {
1426                 } elseif {[load_message SQUASH_MSG]} {
1427                 }
1428                 $ui_comm edit reset
1429                 $ui_comm edit modified false
1430         }
1431
1432         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1433                 rescan_stage2 {} $after
1434         } else {
1435                 set rescan_active 1
1436                 ui_status [mc "Refreshing file status..."]
1437                 set fd_rf [git_read update-index \
1438                         -q \
1439                         --unmerged \
1440                         --ignore-missing \
1441                         --refresh \
1442                         ]
1443                 fconfigure $fd_rf -blocking 0 -translation binary
1444                 fileevent $fd_rf readable \
1445                         [list rescan_stage2 $fd_rf $after]
1446         }
1447 }
1448
1449 if {[is_Cygwin]} {
1450         set is_git_info_exclude {}
1451         proc have_info_exclude {} {
1452                 global is_git_info_exclude
1453
1454                 if {$is_git_info_exclude eq {}} {
1455                         if {[catch {exec test -f [gitdir info exclude]}]} {
1456                                 set is_git_info_exclude 0
1457                         } else {
1458                                 set is_git_info_exclude 1
1459                         }
1460                 }
1461                 return $is_git_info_exclude
1462         }
1463 } else {
1464         proc have_info_exclude {} {
1465                 return [file readable [gitdir info exclude]]
1466         }
1467 }
1468
1469 proc rescan_stage2 {fd after} {
1470         global rescan_active buf_rdi buf_rdf buf_rlo
1471
1472         if {$fd ne {}} {
1473                 read $fd
1474                 if {![eof $fd]} return
1475                 close $fd
1476         }
1477
1478         if {[package vsatisfies $::_git_version 1.6.3]} {
1479                 set ls_others [list --exclude-standard]
1480         } else {
1481                 set ls_others [list --exclude-per-directory=.gitignore]
1482                 if {[have_info_exclude]} {
1483                         lappend ls_others "--exclude-from=[gitdir info exclude]"
1484                 }
1485                 set user_exclude [get_config core.excludesfile]
1486                 if {$user_exclude ne {} && [file readable $user_exclude]} {
1487                         lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1488                 }
1489         }
1490
1491         set buf_rdi {}
1492         set buf_rdf {}
1493         set buf_rlo {}
1494
1495         set rescan_active 3
1496         ui_status [mc "Scanning for modified files ..."]
1497         set fd_di [git_read diff-index --cached -z [PARENT]]
1498         set fd_df [git_read diff-files -z]
1499         set fd_lo [eval git_read ls-files --others -z $ls_others]
1500
1501         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1502         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1503         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1504         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1505         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1506         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1507 }
1508
1509 proc load_message {file} {
1510         global ui_comm
1511
1512         set f [gitdir $file]
1513         if {[file isfile $f]} {
1514                 if {[catch {set fd [open $f r]}]} {
1515                         return 0
1516                 }
1517                 fconfigure $fd -eofchar {}
1518                 set content [string trim [read $fd]]
1519                 close $fd
1520                 regsub -all -line {[ \r\t]+$} $content {} content
1521                 $ui_comm delete 0.0 end
1522                 $ui_comm insert end $content
1523                 return 1
1524         }
1525         return 0
1526 }
1527
1528 proc run_prepare_commit_msg_hook {} {
1529         global pch_error
1530
1531         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1532         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1533         # empty file but existent file.
1534
1535         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1536
1537         if {[file isfile [gitdir MERGE_MSG]]} {
1538                 set pcm_source "merge"
1539                 set fd_mm [open [gitdir MERGE_MSG] r]
1540                 puts -nonewline $fd_pcm [read $fd_mm]
1541                 close $fd_mm
1542         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1543                 set pcm_source "squash"
1544                 set fd_sm [open [gitdir SQUASH_MSG] r]
1545                 puts -nonewline $fd_pcm [read $fd_sm]
1546                 close $fd_sm
1547         } else {
1548                 set pcm_source ""
1549         }
1550
1551         close $fd_pcm
1552
1553         set fd_ph [githook_read prepare-commit-msg \
1554                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1555         if {$fd_ph eq {}} {
1556                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1557                 return 0;
1558         }
1559
1560         ui_status [mc "Calling prepare-commit-msg hook..."]
1561         set pch_error {}
1562
1563         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1564         fileevent $fd_ph readable \
1565                 [list prepare_commit_msg_hook_wait $fd_ph]
1566
1567         return 1;
1568 }
1569
1570 proc prepare_commit_msg_hook_wait {fd_ph} {
1571         global pch_error
1572
1573         append pch_error [read $fd_ph]
1574         fconfigure $fd_ph -blocking 1
1575         if {[eof $fd_ph]} {
1576                 if {[catch {close $fd_ph}]} {
1577                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1578                         hook_failed_popup prepare-commit-msg $pch_error
1579                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1580                         exit 1
1581                 } else {
1582                         load_message PREPARE_COMMIT_MSG
1583                 }
1584                 set pch_error {}
1585                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1586                 return
1587         }
1588         fconfigure $fd_ph -blocking 0
1589         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1590 }
1591
1592 proc read_diff_index {fd after} {
1593         global buf_rdi
1594
1595         append buf_rdi [read $fd]
1596         set c 0
1597         set n [string length $buf_rdi]
1598         while {$c < $n} {
1599                 set z1 [string first "\0" $buf_rdi $c]
1600                 if {$z1 == -1} break
1601                 incr z1
1602                 set z2 [string first "\0" $buf_rdi $z1]
1603                 if {$z2 == -1} break
1604
1605                 incr c
1606                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1607                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1608                 merge_state \
1609                         [encoding convertfrom $p] \
1610                         [lindex $i 4]? \
1611                         [list [lindex $i 0] [lindex $i 2]] \
1612                         [list]
1613                 set c $z2
1614                 incr c
1615         }
1616         if {$c < $n} {
1617                 set buf_rdi [string range $buf_rdi $c end]
1618         } else {
1619                 set buf_rdi {}
1620         }
1621
1622         rescan_done $fd buf_rdi $after
1623 }
1624
1625 proc read_diff_files {fd after} {
1626         global buf_rdf
1627
1628         append buf_rdf [read $fd]
1629         set c 0
1630         set n [string length $buf_rdf]
1631         while {$c < $n} {
1632                 set z1 [string first "\0" $buf_rdf $c]
1633                 if {$z1 == -1} break
1634                 incr z1
1635                 set z2 [string first "\0" $buf_rdf $z1]
1636                 if {$z2 == -1} break
1637
1638                 incr c
1639                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1640                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1641                 merge_state \
1642                         [encoding convertfrom $p] \
1643                         ?[lindex $i 4] \
1644                         [list] \
1645                         [list [lindex $i 0] [lindex $i 2]]
1646                 set c $z2
1647                 incr c
1648         }
1649         if {$c < $n} {
1650                 set buf_rdf [string range $buf_rdf $c end]
1651         } else {
1652                 set buf_rdf {}
1653         }
1654
1655         rescan_done $fd buf_rdf $after
1656 }
1657
1658 proc read_ls_others {fd after} {
1659         global buf_rlo
1660
1661         append buf_rlo [read $fd]
1662         set pck [split $buf_rlo "\0"]
1663         set buf_rlo [lindex $pck end]
1664         foreach p [lrange $pck 0 end-1] {
1665                 set p [encoding convertfrom $p]
1666                 if {[string index $p end] eq {/}} {
1667                         set p [string range $p 0 end-1]
1668                 }
1669                 merge_state $p ?O
1670         }
1671         rescan_done $fd buf_rlo $after
1672 }
1673
1674 proc rescan_done {fd buf after} {
1675         global rescan_active current_diff_path
1676         global file_states repo_config
1677         upvar $buf to_clear
1678
1679         if {![eof $fd]} return
1680         set to_clear {}
1681         close $fd
1682         if {[incr rescan_active -1] > 0} return
1683
1684         prune_selection
1685         unlock_index
1686         display_all_files
1687         if {$current_diff_path ne {}} { reshow_diff $after }
1688         if {$current_diff_path eq {}} { select_first_diff $after }
1689 }
1690
1691 proc prune_selection {} {
1692         global file_states selected_paths
1693
1694         foreach path [array names selected_paths] {
1695                 if {[catch {set still_here $file_states($path)}]} {
1696                         unset selected_paths($path)
1697                 }
1698         }
1699 }
1700
1701 ######################################################################
1702 ##
1703 ## ui helpers
1704
1705 proc mapicon {w state path} {
1706         global all_icons
1707
1708         if {[catch {set r $all_icons($state$w)}]} {
1709                 puts "error: no icon for $w state={$state} $path"
1710                 return file_plain
1711         }
1712         return $r
1713 }
1714
1715 proc mapdesc {state path} {
1716         global all_descs
1717
1718         if {[catch {set r $all_descs($state)}]} {
1719                 puts "error: no desc for state={$state} $path"
1720                 return $state
1721         }
1722         return $r
1723 }
1724
1725 proc ui_status {msg} {
1726         global main_status
1727         if {[info exists main_status]} {
1728                 $main_status show $msg
1729         }
1730 }
1731
1732 proc ui_ready {{test {}}} {
1733         global main_status
1734         if {[info exists main_status]} {
1735                 $main_status show [mc "Ready."] $test
1736         }
1737 }
1738
1739 proc escape_path {path} {
1740         regsub -all {\\} $path "\\\\" path
1741         regsub -all "\n" $path "\\n" path
1742         return $path
1743 }
1744
1745 proc short_path {path} {
1746         return [escape_path [lindex [file split $path] end]]
1747 }
1748
1749 set next_icon_id 0
1750 set null_sha1 [string repeat 0 40]
1751
1752 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1753         global file_states next_icon_id null_sha1
1754
1755         set s0 [string index $new_state 0]
1756         set s1 [string index $new_state 1]
1757
1758         if {[catch {set info $file_states($path)}]} {
1759                 set state __
1760                 set icon n[incr next_icon_id]
1761         } else {
1762                 set state [lindex $info 0]
1763                 set icon [lindex $info 1]
1764                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1765                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1766         }
1767
1768         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1769         elseif {$s0 eq {_}} {set s0 _}
1770
1771         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1772         elseif {$s1 eq {_}} {set s1 _}
1773
1774         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1775                 set head_info [list 0 $null_sha1]
1776         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1777                 && $head_info eq {}} {
1778                 set head_info $index_info
1779         } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1780                 set index_info $head_info
1781                 set head_info {}
1782         }
1783
1784         set file_states($path) [list $s0$s1 $icon \
1785                 $head_info $index_info \
1786                 ]
1787         return $state
1788 }
1789
1790 proc display_file_helper {w path icon_name old_m new_m} {
1791         global file_lists
1792
1793         if {$new_m eq {_}} {
1794                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1795                 if {$lno >= 0} {
1796                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1797                         incr lno
1798                         $w conf -state normal
1799                         $w delete $lno.0 [expr {$lno + 1}].0
1800                         $w conf -state disabled
1801                 }
1802         } elseif {$old_m eq {_} && $new_m ne {_}} {
1803                 lappend file_lists($w) $path
1804                 set file_lists($w) [lsort -unique $file_lists($w)]
1805                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1806                 incr lno
1807                 $w conf -state normal
1808                 $w image create $lno.0 \
1809                         -align center -padx 5 -pady 1 \
1810                         -name $icon_name \
1811                         -image [mapicon $w $new_m $path]
1812                 $w insert $lno.1 "[escape_path $path]\n"
1813                 $w conf -state disabled
1814         } elseif {$old_m ne $new_m} {
1815                 $w conf -state normal
1816                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1817                 $w conf -state disabled
1818         }
1819 }
1820
1821 proc display_file {path state} {
1822         global file_states selected_paths
1823         global ui_index ui_workdir
1824
1825         set old_m [merge_state $path $state]
1826         set s $file_states($path)
1827         set new_m [lindex $s 0]
1828         set icon_name [lindex $s 1]
1829
1830         set o [string index $old_m 0]
1831         set n [string index $new_m 0]
1832         if {$o eq {U}} {
1833                 set o _
1834         }
1835         if {$n eq {U}} {
1836                 set n _
1837         }
1838         display_file_helper     $ui_index $path $icon_name $o $n
1839
1840         if {[string index $old_m 0] eq {U}} {
1841                 set o U
1842         } else {
1843                 set o [string index $old_m 1]
1844         }
1845         if {[string index $new_m 0] eq {U}} {
1846                 set n U
1847         } else {
1848                 set n [string index $new_m 1]
1849         }
1850         display_file_helper     $ui_workdir $path $icon_name $o $n
1851
1852         if {$new_m eq {__}} {
1853                 unset file_states($path)
1854                 catch {unset selected_paths($path)}
1855         }
1856 }
1857
1858 proc display_all_files_helper {w path icon_name m} {
1859         global file_lists
1860
1861         lappend file_lists($w) $path
1862         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1863         $w image create end \
1864                 -align center -padx 5 -pady 1 \
1865                 -name $icon_name \
1866                 -image [mapicon $w $m $path]
1867         $w insert end "[escape_path $path]\n"
1868 }
1869
1870 set files_warning 0
1871 proc display_all_files {} {
1872         global ui_index ui_workdir
1873         global file_states file_lists
1874         global last_clicked
1875         global files_warning
1876
1877         $ui_index conf -state normal
1878         $ui_workdir conf -state normal
1879
1880         $ui_index delete 0.0 end
1881         $ui_workdir delete 0.0 end
1882         set last_clicked {}
1883
1884         set file_lists($ui_index) [list]
1885         set file_lists($ui_workdir) [list]
1886
1887         set to_display [lsort [array names file_states]]
1888         set display_limit [get_config gui.maxfilesdisplayed]
1889         if {[llength $to_display] > $display_limit} {
1890                 if {!$files_warning} {
1891                         # do not repeatedly warn:
1892                         set files_warning 1
1893                         info_popup [mc "Displaying only %s of %s files." \
1894                                 $display_limit [llength $to_display]]
1895                 }
1896                 set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1897         }
1898         foreach path $to_display {
1899                 set s $file_states($path)
1900                 set m [lindex $s 0]
1901                 set icon_name [lindex $s 1]
1902
1903                 set s [string index $m 0]
1904                 if {$s ne {U} && $s ne {_}} {
1905                         display_all_files_helper $ui_index $path \
1906                                 $icon_name $s
1907                 }
1908
1909                 if {[string index $m 0] eq {U}} {
1910                         set s U
1911                 } else {
1912                         set s [string index $m 1]
1913                 }
1914                 if {$s ne {_}} {
1915                         display_all_files_helper $ui_workdir $path \
1916                                 $icon_name $s
1917                 }
1918         }
1919
1920         $ui_index conf -state disabled
1921         $ui_workdir conf -state disabled
1922 }
1923
1924 ######################################################################
1925 ##
1926 ## icons
1927
1928 set filemask {
1929 #define mask_width 14
1930 #define mask_height 15
1931 static unsigned char mask_bits[] = {
1932    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1933    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1934    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1935 }
1936
1937 image create bitmap file_plain -background white -foreground black -data {
1938 #define plain_width 14
1939 #define plain_height 15
1940 static unsigned char plain_bits[] = {
1941    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1942    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1943    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1944 } -maskdata $filemask
1945
1946 image create bitmap file_mod -background white -foreground blue -data {
1947 #define mod_width 14
1948 #define mod_height 15
1949 static unsigned char mod_bits[] = {
1950    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1951    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1952    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1953 } -maskdata $filemask
1954
1955 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1956 #define file_fulltick_width 14
1957 #define file_fulltick_height 15
1958 static unsigned char file_fulltick_bits[] = {
1959    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1960    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1961    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1962 } -maskdata $filemask
1963
1964 image create bitmap file_question -background white -foreground black -data {
1965 #define file_question_width 14
1966 #define file_question_height 15
1967 static unsigned char file_question_bits[] = {
1968    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1969    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1970    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1971 } -maskdata $filemask
1972
1973 image create bitmap file_removed -background white -foreground red -data {
1974 #define file_removed_width 14
1975 #define file_removed_height 15
1976 static unsigned char file_removed_bits[] = {
1977    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1978    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1979    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1980 } -maskdata $filemask
1981
1982 image create bitmap file_merge -background white -foreground blue -data {
1983 #define file_merge_width 14
1984 #define file_merge_height 15
1985 static unsigned char file_merge_bits[] = {
1986    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1987    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1988    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1989 } -maskdata $filemask
1990
1991 image create bitmap file_statechange -background white -foreground green -data {
1992 #define file_statechange_width 14
1993 #define file_statechange_height 15
1994 static unsigned char file_statechange_bits[] = {
1995    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1996    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1997    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1998 } -maskdata $filemask
1999
2000 set ui_index .vpane.files.index.list
2001 set ui_workdir .vpane.files.workdir.list
2002
2003 set all_icons(_$ui_index)   file_plain
2004 set all_icons(A$ui_index)   file_plain
2005 set all_icons(M$ui_index)   file_fulltick
2006 set all_icons(D$ui_index)   file_removed
2007 set all_icons(U$ui_index)   file_merge
2008 set all_icons(T$ui_index)   file_statechange
2009
2010 set all_icons(_$ui_workdir) file_plain
2011 set all_icons(M$ui_workdir) file_mod
2012 set all_icons(D$ui_workdir) file_question
2013 set all_icons(U$ui_workdir) file_merge
2014 set all_icons(O$ui_workdir) file_plain
2015 set all_icons(T$ui_workdir) file_statechange
2016
2017 set max_status_desc 0
2018 foreach i {
2019                 {__ {mc "Unmodified"}}
2020
2021                 {_M {mc "Modified, not staged"}}
2022                 {M_ {mc "Staged for commit"}}
2023                 {MM {mc "Portions staged for commit"}}
2024                 {MD {mc "Staged for commit, missing"}}
2025
2026                 {_T {mc "File type changed, not staged"}}
2027                 {MT {mc "File type changed, old type staged for commit"}}
2028                 {AT {mc "File type changed, old type staged for commit"}}
2029                 {T_ {mc "File type changed, staged"}}
2030                 {TM {mc "File type change staged, modification not staged"}}
2031                 {TD {mc "File type change staged, file missing"}}
2032
2033                 {_O {mc "Untracked, not staged"}}
2034                 {A_ {mc "Staged for commit"}}
2035                 {AM {mc "Portions staged for commit"}}
2036                 {AD {mc "Staged for commit, missing"}}
2037
2038                 {_D {mc "Missing"}}
2039                 {D_ {mc "Staged for removal"}}
2040                 {DO {mc "Staged for removal, still present"}}
2041
2042                 {_U {mc "Requires merge resolution"}}
2043                 {U_ {mc "Requires merge resolution"}}
2044                 {UU {mc "Requires merge resolution"}}
2045                 {UM {mc "Requires merge resolution"}}
2046                 {UD {mc "Requires merge resolution"}}
2047                 {UT {mc "Requires merge resolution"}}
2048         } {
2049         set text [eval [lindex $i 1]]
2050         if {$max_status_desc < [string length $text]} {
2051                 set max_status_desc [string length $text]
2052         }
2053         set all_descs([lindex $i 0]) $text
2054 }
2055 unset i
2056
2057 ######################################################################
2058 ##
2059 ## util
2060
2061 proc scrollbar2many {list mode args} {
2062         foreach w $list {eval $w $mode $args}
2063 }
2064
2065 proc many2scrollbar {list mode sb top bottom} {
2066         $sb set $top $bottom
2067         foreach w $list {$w $mode moveto $top}
2068 }
2069
2070 proc incr_font_size {font {amt 1}} {
2071         set sz [font configure $font -size]
2072         incr sz $amt
2073         font configure $font -size $sz
2074         font configure ${font}bold -size $sz
2075         font configure ${font}italic -size $sz
2076 }
2077
2078 ######################################################################
2079 ##
2080 ## ui commands
2081
2082 set starting_gitk_msg [mc "Starting gitk... please wait..."]
2083
2084 proc do_gitk {revs {is_submodule false}} {
2085         global current_diff_path file_states current_diff_side ui_index
2086         global _gitworktree
2087
2088         # -- Always start gitk through whatever we were loaded with.  This
2089         #    lets us bypass using shell process on Windows systems.
2090         #
2091         set exe [_which gitk -script]
2092         set cmd [list [info nameofexecutable] $exe]
2093         if {$exe eq {}} {
2094                 error_popup [mc "Couldn't find gitk in PATH"]
2095         } else {
2096                 global env
2097
2098                 if {[info exists env(GIT_DIR)]} {
2099                         set old_GIT_DIR $env(GIT_DIR)
2100                 } else {
2101                         set old_GIT_DIR {}
2102                 }
2103
2104                 set pwd [pwd]
2105
2106                 if {!$is_submodule} {
2107                         if {![is_bare]} {
2108                                 cd $_gitworktree
2109                         }
2110                         set env(GIT_DIR) [file normalize [gitdir]]
2111                 } else {
2112                         cd $current_diff_path
2113                         if {$revs eq {--}} {
2114                                 set s $file_states($current_diff_path)
2115                                 set old_sha1 {}
2116                                 set new_sha1 {}
2117                                 switch -glob -- [lindex $s 0] {
2118                                 M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2119                                 _M { set old_sha1 [lindex [lindex $s 3] 1] }
2120                                 MM {
2121                                         if {$current_diff_side eq $ui_index} {
2122                                                 set old_sha1 [lindex [lindex $s 2] 1]
2123                                                 set new_sha1 [lindex [lindex $s 3] 1]
2124                                         } else {
2125                                                 set old_sha1 [lindex [lindex $s 3] 1]
2126                                         }
2127                                 }
2128                                 }
2129                                 set revs $old_sha1...$new_sha1
2130                         }
2131                         if {[info exists env(GIT_DIR)]} {
2132                                 unset env(GIT_DIR)
2133                         }
2134                 }
2135                 eval exec $cmd $revs "--" "--" &
2136
2137                 if {$old_GIT_DIR ne {}} {
2138                         set env(GIT_DIR) $old_GIT_DIR
2139                 }
2140                 cd $pwd
2141
2142                 ui_status $::starting_gitk_msg
2143                 after 10000 {
2144                         ui_ready $starting_gitk_msg
2145                 }
2146         }
2147 }
2148
2149 proc do_git_gui {} {
2150         global current_diff_path
2151
2152         # -- Always start git gui through whatever we were loaded with.  This
2153         #    lets us bypass using shell process on Windows systems.
2154         #
2155         set exe [list [_which git]]
2156         if {$exe eq {}} {
2157                 error_popup [mc "Couldn't find git gui in PATH"]
2158         } else {
2159                 global env
2160
2161                 if {[info exists env(GIT_DIR)]} {
2162                         set old_GIT_DIR $env(GIT_DIR)
2163                         unset env(GIT_DIR)
2164                 } else {
2165                         set old_GIT_DIR {}
2166                 }
2167
2168                 set pwd [pwd]
2169                 cd $current_diff_path
2170
2171                 eval exec $exe gui &
2172
2173                 if {$old_GIT_DIR ne {}} {
2174                         set env(GIT_DIR) $old_GIT_DIR
2175                 }
2176                 cd $pwd
2177
2178                 ui_status $::starting_gitk_msg
2179                 after 10000 {
2180                         ui_ready $starting_gitk_msg
2181                 }
2182         }
2183 }
2184
2185 proc do_explore {} {
2186         global _gitworktree
2187         set explorer {}
2188         if {[is_Cygwin] || [is_Windows]} {
2189                 set explorer "explorer.exe"
2190         } elseif {[is_MacOSX]} {
2191                 set explorer "open"
2192         } else {
2193                 # freedesktop.org-conforming system is our best shot
2194                 set explorer "xdg-open"
2195         }
2196         eval exec $explorer [list [file nativename $_gitworktree]] &
2197 }
2198
2199 set is_quitting 0
2200 set ret_code    1
2201
2202 proc terminate_me {win} {
2203         global ret_code
2204         if {$win ne {.}} return
2205         exit $ret_code
2206 }
2207
2208 proc do_quit {{rc {1}}} {
2209         global ui_comm is_quitting repo_config commit_type
2210         global GITGUI_BCK_exists GITGUI_BCK_i
2211         global ui_comm_spell
2212         global ret_code use_ttk
2213
2214         if {$is_quitting} return
2215         set is_quitting 1
2216
2217         if {[winfo exists $ui_comm]} {
2218                 # -- Stash our current commit buffer.
2219                 #
2220                 set save [gitdir GITGUI_MSG]
2221                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2222                         file rename -force [gitdir GITGUI_BCK] $save
2223                         set GITGUI_BCK_exists 0
2224                 } else {
2225                         set msg [string trim [$ui_comm get 0.0 end]]
2226                         regsub -all -line {[ \r\t]+$} $msg {} msg
2227                         if {(![string match amend* $commit_type]
2228                                 || [$ui_comm edit modified])
2229                                 && $msg ne {}} {
2230                                 catch {
2231                                         set fd [open $save w]
2232                                         puts -nonewline $fd $msg
2233                                         close $fd
2234                                 }
2235                         } else {
2236                                 catch {file delete $save}
2237                         }
2238                 }
2239
2240                 # -- Cancel our spellchecker if its running.
2241                 #
2242                 if {[info exists ui_comm_spell]} {
2243                         $ui_comm_spell stop
2244                 }
2245
2246                 # -- Remove our editor backup, its not needed.
2247                 #
2248                 after cancel $GITGUI_BCK_i
2249                 if {$GITGUI_BCK_exists} {
2250                         catch {file delete [gitdir GITGUI_BCK]}
2251                 }
2252
2253                 # -- Stash our current window geometry into this repository.
2254                 #
2255                 set cfg_wmstate [wm state .]
2256                 if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2257                         set rc_wmstate {}
2258                 }
2259                 if {$cfg_wmstate ne $rc_wmstate} {
2260                         catch {git config gui.wmstate $cfg_wmstate}
2261                 }
2262                 if {$cfg_wmstate eq {zoomed}} {
2263                         # on Windows wm geometry will lie about window
2264                         # position (but not size) when window is zoomed
2265                         # restore the window before querying wm geometry
2266                         wm state . normal
2267                 }
2268                 set cfg_geometry [list]
2269                 lappend cfg_geometry [wm geometry .]
2270                 if {$use_ttk} {
2271                         lappend cfg_geometry [.vpane sashpos 0]
2272                         lappend cfg_geometry [.vpane.files sashpos 0]
2273                 } else {
2274                         lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2275                         lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2276                 }
2277                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2278                         set rc_geometry {}
2279                 }
2280                 if {$cfg_geometry ne $rc_geometry} {
2281                         catch {git config gui.geometry $cfg_geometry}
2282                 }
2283         }
2284
2285         set ret_code $rc
2286
2287         # Briefly enable send again, working around Tk bug
2288         # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2289         tk appname [appname]
2290
2291         destroy .
2292 }
2293
2294 proc do_rescan {} {
2295         rescan ui_ready
2296 }
2297
2298 proc ui_do_rescan {} {
2299         rescan {force_first_diff ui_ready}
2300 }
2301
2302 proc do_commit {} {
2303         commit_tree
2304 }
2305
2306 proc next_diff {{after {}}} {
2307         global next_diff_p next_diff_w next_diff_i
2308         show_diff $next_diff_p $next_diff_w {} {} $after
2309 }
2310
2311 proc find_anchor_pos {lst name} {
2312         set lid [lsearch -sorted -exact $lst $name]
2313
2314         if {$lid == -1} {
2315                 set lid 0
2316                 foreach lname $lst {
2317                         if {$lname >= $name} break
2318                         incr lid
2319                 }
2320         }
2321
2322         return $lid
2323 }
2324
2325 proc find_file_from {flist idx delta path mmask} {
2326         global file_states
2327
2328         set len [llength $flist]
2329         while {$idx >= 0 && $idx < $len} {
2330                 set name [lindex $flist $idx]
2331
2332                 if {$name ne $path && [info exists file_states($name)]} {
2333                         set state [lindex $file_states($name) 0]
2334
2335                         if {$mmask eq {} || [regexp $mmask $state]} {
2336                                 return $idx
2337                         }
2338                 }
2339
2340                 incr idx $delta
2341         }
2342
2343         return {}
2344 }
2345
2346 proc find_next_diff {w path {lno {}} {mmask {}}} {
2347         global next_diff_p next_diff_w next_diff_i
2348         global file_lists ui_index ui_workdir
2349
2350         set flist $file_lists($w)
2351         if {$lno eq {}} {
2352                 set lno [find_anchor_pos $flist $path]
2353         } else {
2354                 incr lno -1
2355         }
2356
2357         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2358                 if {$w eq $ui_index} {
2359                         set mmask "^$mmask"
2360                 } else {
2361                         set mmask "$mmask\$"
2362                 }
2363         }
2364
2365         set idx [find_file_from $flist $lno 1 $path $mmask]
2366         if {$idx eq {}} {
2367                 incr lno -1
2368                 set idx [find_file_from $flist $lno -1 $path $mmask]
2369         }
2370
2371         if {$idx ne {}} {
2372                 set next_diff_w $w
2373                 set next_diff_p [lindex $flist $idx]
2374                 set next_diff_i [expr {$idx+1}]
2375                 return 1
2376         } else {
2377                 return 0
2378         }
2379 }
2380
2381 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2382         global current_diff_path
2383
2384         if {$path ne $current_diff_path} {
2385                 return {}
2386         } elseif {[find_next_diff $w $path $lno $mmask]} {
2387                 return {next_diff;}
2388         } else {
2389                 return {reshow_diff;}
2390         }
2391 }
2392
2393 proc select_first_diff {after} {
2394         global ui_workdir
2395
2396         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2397             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2398                 next_diff $after
2399         } else {
2400                 uplevel #0 $after
2401         }
2402 }
2403
2404 proc force_first_diff {after} {
2405         global ui_workdir current_diff_path file_states
2406
2407         if {[info exists file_states($current_diff_path)]} {
2408                 set state [lindex $file_states($current_diff_path) 0]
2409         } else {
2410                 set state {OO}
2411         }
2412
2413         set reselect 0
2414         if {[string first {U} $state] >= 0} {
2415                 # Already a conflict, do nothing
2416         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2417                 set reselect 1
2418         } elseif {[string index $state 1] ne {O}} {
2419                 # Already a diff & no conflicts, do nothing
2420         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2421                 set reselect 1
2422         }
2423
2424         if {$reselect} {
2425                 next_diff $after
2426         } else {
2427                 uplevel #0 $after
2428         }
2429 }
2430
2431 proc toggle_or_diff {w x y} {
2432         global file_states file_lists current_diff_path ui_index ui_workdir
2433         global last_clicked selected_paths
2434
2435         set pos [split [$w index @$x,$y] .]
2436         set lno [lindex $pos 0]
2437         set col [lindex $pos 1]
2438         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2439         if {$path eq {}} {
2440                 set last_clicked {}
2441                 return
2442         }
2443
2444         set last_clicked [list $w $lno]
2445         array unset selected_paths
2446         $ui_index tag remove in_sel 0.0 end
2447         $ui_workdir tag remove in_sel 0.0 end
2448
2449         # Determine the state of the file
2450         if {[info exists file_states($path)]} {
2451                 set state [lindex $file_states($path) 0]
2452         } else {
2453                 set state {__}
2454         }
2455
2456         # Restage the file, or simply show the diff
2457         if {$col == 0 && $y > 1} {
2458                 # Conflicts need special handling
2459                 if {[string first {U} $state] >= 0} {
2460                         # $w must always be $ui_workdir, but...
2461                         if {$w ne $ui_workdir} { set lno {} }
2462                         merge_stage_workdir $path $lno
2463                         return
2464                 }
2465
2466                 if {[string index $state 1] eq {O}} {
2467                         set mmask {}
2468                 } else {
2469                         set mmask {[^O]}
2470                 }
2471
2472                 set after [next_diff_after_action $w $path $lno $mmask]
2473
2474                 if {$w eq $ui_index} {
2475                         update_indexinfo \
2476                                 "Unstaging [short_path $path] from commit" \
2477                                 [list $path] \
2478                                 [concat $after [list ui_ready]]
2479                 } elseif {$w eq $ui_workdir} {
2480                         update_index \
2481                                 "Adding [short_path $path]" \
2482                                 [list $path] \
2483                                 [concat $after [list ui_ready]]
2484                 }
2485         } else {
2486                 show_diff $path $w $lno
2487         }
2488 }
2489
2490 proc add_one_to_selection {w x y} {
2491         global file_lists last_clicked selected_paths
2492
2493         set lno [lindex [split [$w index @$x,$y] .] 0]
2494         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2495         if {$path eq {}} {
2496                 set last_clicked {}
2497                 return
2498         }
2499
2500         if {$last_clicked ne {}
2501                 && [lindex $last_clicked 0] ne $w} {
2502                 array unset selected_paths
2503                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2504         }
2505
2506         set last_clicked [list $w $lno]
2507         if {[catch {set in_sel $selected_paths($path)}]} {
2508                 set in_sel 0
2509         }
2510         if {$in_sel} {
2511                 unset selected_paths($path)
2512                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2513         } else {
2514                 set selected_paths($path) 1
2515                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2516         }
2517 }
2518
2519 proc add_range_to_selection {w x y} {
2520         global file_lists last_clicked selected_paths
2521
2522         if {[lindex $last_clicked 0] ne $w} {
2523                 toggle_or_diff $w $x $y
2524                 return
2525         }
2526
2527         set lno [lindex [split [$w index @$x,$y] .] 0]
2528         set lc [lindex $last_clicked 1]
2529         if {$lc < $lno} {
2530                 set begin $lc
2531                 set end $lno
2532         } else {
2533                 set begin $lno
2534                 set end $lc
2535         }
2536
2537         foreach path [lrange $file_lists($w) \
2538                 [expr {$begin - 1}] \
2539                 [expr {$end - 1}]] {
2540                 set selected_paths($path) 1
2541         }
2542         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2543 }
2544
2545 proc show_more_context {} {
2546         global repo_config
2547         if {$repo_config(gui.diffcontext) < 99} {
2548                 incr repo_config(gui.diffcontext)
2549                 reshow_diff
2550         }
2551 }
2552
2553 proc show_less_context {} {
2554         global repo_config
2555         if {$repo_config(gui.diffcontext) > 1} {
2556                 incr repo_config(gui.diffcontext) -1
2557                 reshow_diff
2558         }
2559 }
2560
2561 ######################################################################
2562 ##
2563 ## ui construction
2564
2565 set ui_comm {}
2566
2567 # -- Menu Bar
2568 #
2569 menu .mbar -tearoff 0
2570 if {[is_MacOSX]} {
2571         # -- Apple Menu (Mac OS X only)
2572         #
2573         .mbar add cascade -label Apple -menu .mbar.apple
2574         menu .mbar.apple
2575 }
2576 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2577 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2578 if {[is_enabled branch]} {
2579         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2580 }
2581 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2582         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2583 }
2584 if {[is_enabled transport]} {
2585         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2586         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2587 }
2588 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2589         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2590 }
2591
2592 # -- Repository Menu
2593 #
2594 menu .mbar.repository
2595
2596 if {![is_bare]} {
2597         .mbar.repository add command \
2598                 -label [mc "Explore Working Copy"] \
2599                 -command {do_explore}
2600         .mbar.repository add separator
2601 }
2602
2603 .mbar.repository add command \
2604         -label [mc "Browse Current Branch's Files"] \
2605         -command {browser::new $current_branch}
2606 set ui_browse_current [.mbar.repository index last]
2607 .mbar.repository add command \
2608         -label [mc "Browse Branch Files..."] \
2609         -command browser_open::dialog
2610 .mbar.repository add separator
2611
2612 .mbar.repository add command \
2613         -label [mc "Visualize Current Branch's History"] \
2614         -command {do_gitk $current_branch}
2615 set ui_visualize_current [.mbar.repository index last]
2616 .mbar.repository add command \
2617         -label [mc "Visualize All Branch History"] \
2618         -command {do_gitk --all}
2619 .mbar.repository add separator
2620
2621 proc current_branch_write {args} {
2622         global current_branch
2623         .mbar.repository entryconf $::ui_browse_current \
2624                 -label [mc "Browse %s's Files" $current_branch]
2625         .mbar.repository entryconf $::ui_visualize_current \
2626                 -label [mc "Visualize %s's History" $current_branch]
2627 }
2628 trace add variable current_branch write current_branch_write
2629
2630 if {[is_enabled multicommit]} {
2631         .mbar.repository add command -label [mc "Database Statistics"] \
2632                 -command do_stats
2633
2634         .mbar.repository add command -label [mc "Compress Database"] \
2635                 -command do_gc
2636
2637         .mbar.repository add command -label [mc "Verify Database"] \
2638                 -command do_fsck_objects
2639
2640         .mbar.repository add separator
2641
2642         if {[is_Cygwin]} {
2643                 .mbar.repository add command \
2644                         -label [mc "Create Desktop Icon"] \
2645                         -command do_cygwin_shortcut
2646         } elseif {[is_Windows]} {
2647                 .mbar.repository add command \
2648                         -label [mc "Create Desktop Icon"] \
2649                         -command do_windows_shortcut
2650         } elseif {[is_MacOSX]} {
2651                 .mbar.repository add command \
2652                         -label [mc "Create Desktop Icon"] \
2653                         -command do_macosx_app
2654         }
2655 }
2656
2657 if {[is_MacOSX]} {
2658         proc ::tk::mac::Quit {args} { do_quit }
2659 } else {
2660         .mbar.repository add command -label [mc Quit] \
2661                 -command do_quit \
2662                 -accelerator $M1T-Q
2663 }
2664
2665 # -- Edit Menu
2666 #
2667 menu .mbar.edit
2668 .mbar.edit add command -label [mc Undo] \
2669         -command {catch {[focus] edit undo}} \
2670         -accelerator $M1T-Z
2671 .mbar.edit add command -label [mc Redo] \
2672         -command {catch {[focus] edit redo}} \
2673         -accelerator $M1T-Y
2674 .mbar.edit add separator
2675 .mbar.edit add command -label [mc Cut] \
2676         -command {catch {tk_textCut [focus]}} \
2677         -accelerator $M1T-X
2678 .mbar.edit add command -label [mc Copy] \
2679         -command {catch {tk_textCopy [focus]}} \
2680         -accelerator $M1T-C
2681 .mbar.edit add command -label [mc Paste] \
2682         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2683         -accelerator $M1T-V
2684 .mbar.edit add command -label [mc Delete] \
2685         -command {catch {[focus] delete sel.first sel.last}} \
2686         -accelerator Del
2687 .mbar.edit add separator
2688 .mbar.edit add command -label [mc "Select All"] \
2689         -command {catch {[focus] tag add sel 0.0 end}} \
2690         -accelerator $M1T-A
2691
2692 # -- Branch Menu
2693 #
2694 if {[is_enabled branch]} {
2695         menu .mbar.branch
2696
2697         .mbar.branch add command -label [mc "Create..."] \
2698                 -command branch_create::dialog \
2699                 -accelerator $M1T-N
2700         lappend disable_on_lock [list .mbar.branch entryconf \
2701                 [.mbar.branch index last] -state]
2702
2703         .mbar.branch add command -label [mc "Checkout..."] \
2704                 -command branch_checkout::dialog \
2705                 -accelerator $M1T-O
2706         lappend disable_on_lock [list .mbar.branch entryconf \
2707                 [.mbar.branch index last] -state]
2708
2709         .mbar.branch add command -label [mc "Rename..."] \
2710                 -command branch_rename::dialog
2711         lappend disable_on_lock [list .mbar.branch entryconf \
2712                 [.mbar.branch index last] -state]
2713
2714         .mbar.branch add command -label [mc "Delete..."] \
2715                 -command branch_delete::dialog
2716         lappend disable_on_lock [list .mbar.branch entryconf \
2717                 [.mbar.branch index last] -state]
2718
2719         .mbar.branch add command -label [mc "Reset..."] \
2720                 -command merge::reset_hard
2721         lappend disable_on_lock [list .mbar.branch entryconf \
2722                 [.mbar.branch index last] -state]
2723 }
2724
2725 # -- Commit Menu
2726 #
2727 proc commit_btn_caption {} {
2728         if {[is_enabled nocommit]} {
2729                 return [mc "Done"]
2730         } else {
2731                 return [mc Commit@@verb]
2732         }
2733 }
2734
2735 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2736         menu .mbar.commit
2737
2738         if {![is_enabled nocommit]} {
2739                 .mbar.commit add radiobutton \
2740                         -label [mc "New Commit"] \
2741                         -command do_select_commit_type \
2742                         -variable selected_commit_type \
2743                         -value new
2744                 lappend disable_on_lock \
2745                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2746
2747                 .mbar.commit add radiobutton \
2748                         -label [mc "Amend Last Commit"] \
2749                         -command do_select_commit_type \
2750                         -variable selected_commit_type \
2751                         -value amend
2752                 lappend disable_on_lock \
2753                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2754
2755                 .mbar.commit add separator
2756         }
2757
2758         .mbar.commit add command -label [mc Rescan] \
2759                 -command ui_do_rescan \
2760                 -accelerator F5
2761         lappend disable_on_lock \
2762                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2763
2764         .mbar.commit add command -label [mc "Stage To Commit"] \
2765                 -command do_add_selection \
2766                 -accelerator $M1T-T
2767         lappend disable_on_lock \
2768                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2769
2770         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2771                 -command do_add_all \
2772                 -accelerator $M1T-I
2773         lappend disable_on_lock \
2774                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2775
2776         .mbar.commit add command -label [mc "Unstage From Commit"] \
2777                 -command do_unstage_selection \
2778                 -accelerator $M1T-U
2779         lappend disable_on_lock \
2780                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2781
2782         .mbar.commit add command -label [mc "Revert Changes"] \
2783                 -command do_revert_selection \
2784                 -accelerator $M1T-J
2785         lappend disable_on_lock \
2786                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2787
2788         .mbar.commit add separator
2789
2790         .mbar.commit add command -label [mc "Show Less Context"] \
2791                 -command show_less_context \
2792                 -accelerator $M1T-\-
2793
2794         .mbar.commit add command -label [mc "Show More Context"] \
2795                 -command show_more_context \
2796                 -accelerator $M1T-=
2797
2798         .mbar.commit add separator
2799
2800         if {![is_enabled nocommitmsg]} {
2801                 .mbar.commit add command -label [mc "Sign Off"] \
2802                         -command do_signoff \
2803                         -accelerator $M1T-S
2804         }
2805
2806         .mbar.commit add command -label [commit_btn_caption] \
2807                 -command do_commit \
2808                 -accelerator $M1T-Return
2809         lappend disable_on_lock \
2810                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2811 }
2812
2813 # -- Merge Menu
2814 #
2815 if {[is_enabled branch]} {
2816         menu .mbar.merge
2817         .mbar.merge add command -label [mc "Local Merge..."] \
2818                 -command merge::dialog \
2819                 -accelerator $M1T-M
2820         lappend disable_on_lock \
2821                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2822         .mbar.merge add command -label [mc "Abort Merge..."] \
2823                 -command merge::reset_hard
2824         lappend disable_on_lock \
2825                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2826 }
2827
2828 # -- Transport Menu
2829 #
2830 if {[is_enabled transport]} {
2831         menu .mbar.remote
2832
2833         .mbar.remote add command \
2834                 -label [mc "Add..."] \
2835                 -command remote_add::dialog \
2836                 -accelerator $M1T-A
2837         .mbar.remote add command \
2838                 -label [mc "Push..."] \
2839                 -command do_push_anywhere \
2840                 -accelerator $M1T-P
2841         .mbar.remote add command \
2842                 -label [mc "Delete Branch..."] \
2843                 -command remote_branch_delete::dialog
2844 }
2845
2846 if {[is_MacOSX]} {
2847         proc ::tk::mac::ShowPreferences {} {do_options}
2848 } else {
2849         # -- Edit Menu
2850         #
2851         .mbar.edit add separator
2852         .mbar.edit add command -label [mc "Options..."] \
2853                 -command do_options
2854 }
2855
2856 # -- Tools Menu
2857 #
2858 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2859         set tools_menubar .mbar.tools
2860         menu $tools_menubar
2861         $tools_menubar add separator
2862         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2863         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2864         set tools_tailcnt 3
2865         if {[array names repo_config guitool.*.cmd] ne {}} {
2866                 tools_populate_all
2867         }
2868 }
2869
2870 # -- Help Menu
2871 #
2872 .mbar add cascade -label [mc Help] -menu .mbar.help
2873 menu .mbar.help
2874
2875 if {[is_MacOSX]} {
2876         .mbar.apple add command -label [mc "About %s" [appname]] \
2877                 -command do_about
2878         .mbar.apple add separator
2879 } else {
2880         .mbar.help add command -label [mc "About %s" [appname]] \
2881                 -command do_about
2882 }
2883 . configure -menu .mbar
2884
2885 set doc_path [githtmldir]
2886 if {$doc_path ne {}} {
2887         set doc_path [file join $doc_path index.html]
2888
2889         if {[is_Cygwin]} {
2890                 set doc_path [exec cygpath --mixed $doc_path]
2891         }
2892 }
2893
2894 if {[file isfile $doc_path]} {
2895         set doc_url "file:$doc_path"
2896 } else {
2897         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2898 }
2899
2900 proc start_browser {url} {
2901         git "web--browse" $url
2902 }
2903
2904 .mbar.help add command -label [mc "Online Documentation"] \
2905         -command [list start_browser $doc_url]
2906
2907 .mbar.help add command -label [mc "Show SSH Key"] \
2908         -command do_ssh_key
2909
2910 unset doc_path doc_url
2911
2912 # -- Standard bindings
2913 #
2914 wm protocol . WM_DELETE_WINDOW do_quit
2915 bind all <$M1B-Key-q> do_quit
2916 bind all <$M1B-Key-Q> do_quit
2917 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2918 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2919
2920 set subcommand_args {}
2921 proc usage {} {
2922         set s "usage: $::argv0 $::subcommand $::subcommand_args"
2923         if {[tk windowingsystem] eq "win32"} {
2924                 wm withdraw .
2925                 tk_messageBox -icon info -message $s \
2926                         -title [mc "Usage"]
2927         } else {
2928                 puts stderr $s
2929         }
2930         exit 1
2931 }
2932
2933 proc normalize_relpath {path} {
2934         set elements {}
2935         foreach item [file split $path] {
2936                 if {$item eq {.}} continue
2937                 if {$item eq {..} && [llength $elements] > 0
2938                     && [lindex $elements end] ne {..}} {
2939                         set elements [lrange $elements 0 end-1]
2940                         continue
2941                 }
2942                 lappend elements $item
2943         }
2944         return [eval file join $elements]
2945 }
2946
2947 # -- Not a normal commit type invocation?  Do that instead!
2948 #
2949 switch -- $subcommand {
2950 browser -
2951 blame {
2952         if {$subcommand eq "blame"} {
2953                 set subcommand_args {[--line=<num>] rev? path}
2954         } else {
2955                 set subcommand_args {rev? path}
2956         }
2957         if {$argv eq {}} usage
2958         set head {}
2959         set path {}
2960         set jump_spec {}
2961         set is_path 0
2962         foreach a $argv {
2963                 if {$is_path || [file exists $_prefix$a]} {
2964                         if {$path ne {}} usage
2965                         set path [normalize_relpath $_prefix$a]
2966                         break
2967                 } elseif {$a eq {--}} {
2968                         if {$path ne {}} {
2969                                 if {$head ne {}} usage
2970                                 set head $path
2971                                 set path {}
2972                         }
2973                         set is_path 1
2974                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2975                         if {$jump_spec ne {} || $head ne {}} usage
2976                         set jump_spec [list $lnum]
2977                 } elseif {$head eq {}} {
2978                         if {$head ne {}} usage
2979                         set head $a
2980                         set is_path 1
2981                 } else {
2982                         usage
2983                 }
2984         }
2985         unset is_path
2986
2987         if {$head ne {} && $path eq {}} {
2988                 set path [normalize_relpath $_prefix$head]
2989                 set head {}
2990         }
2991
2992         if {$head eq {}} {
2993                 load_current_branch
2994         } else {
2995                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2996                         if {[catch {
2997                                         set head [git rev-parse --verify $head]
2998                                 } err]} {
2999                                 if {[tk windowingsystem] eq "win32"} {
3000                                         tk_messageBox -icon error -title [mc Error] -message $err
3001                                 } else {
3002                                         puts stderr $err
3003                                 }
3004                                 exit 1
3005                         }
3006                 }
3007                 set current_branch $head
3008         }
3009
3010         wm deiconify .
3011         switch -- $subcommand {
3012         browser {
3013                 if {$jump_spec ne {}} usage
3014                 if {$head eq {}} {
3015                         if {$path ne {} && [file isdirectory $path]} {
3016                                 set head $current_branch
3017                         } else {
3018                                 set head $path
3019                                 set path {}
3020                         }
3021                 }
3022                 browser::new $head $path
3023         }
3024         blame   {
3025                 if {$head eq {} && ![file exists $path]} {
3026                         catch {wm withdraw .}
3027                         tk_messageBox \
3028                                 -icon error \
3029                                 -type ok \
3030                                 -title [mc "git-gui: fatal error"] \
3031                                 -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3032                         exit 1
3033                 }
3034                 blame::new $head $path $jump_spec
3035         }
3036         }
3037         return
3038 }
3039 citool -
3040 gui {
3041         if {[llength $argv] != 0} {
3042                 usage
3043         }
3044         # fall through to setup UI for commits
3045 }
3046 default {
3047         set err "usage: $argv0 \[{blame|browser|citool}\]"
3048         if {[tk windowingsystem] eq "win32"} {
3049                 wm withdraw .
3050                 tk_messageBox -icon error -message $err \
3051                         -title [mc "Usage"]
3052         } else {
3053                 puts stderr $err
3054         }
3055         exit 1
3056 }
3057 }
3058
3059 # -- Branch Control
3060 #
3061 ${NS}::frame .branch
3062 if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3063 ${NS}::label .branch.l1 \
3064         -text [mc "Current Branch:"] \
3065         -anchor w \
3066         -justify left
3067 ${NS}::label .branch.cb \
3068         -textvariable current_branch \
3069         -anchor w \
3070         -justify left
3071 pack .branch.l1 -side left
3072 pack .branch.cb -side left -fill x
3073 pack .branch -side top -fill x
3074
3075 # -- Main Window Layout
3076 #
3077 ${NS}::panedwindow .vpane -orient horizontal
3078 ${NS}::panedwindow .vpane.files -orient vertical
3079 if {$use_ttk} {
3080         .vpane add .vpane.files
3081 } else {
3082         .vpane add .vpane.files -sticky nsew -height 100 -width 200
3083 }
3084 pack .vpane -anchor n -side top -fill both -expand 1
3085
3086 # -- Index File List
3087 #
3088 ${NS}::frame .vpane.files.index -height 100 -width 200
3089 tlabel .vpane.files.index.title \
3090         -text [mc "Staged Changes (Will Commit)"] \
3091         -background lightgreen -foreground black
3092 text $ui_index -background white -foreground black \
3093         -borderwidth 0 \
3094         -width 20 -height 10 \
3095         -wrap none \
3096         -cursor $cursor_ptr \
3097         -xscrollcommand {.vpane.files.index.sx set} \
3098         -yscrollcommand {.vpane.files.index.sy set} \
3099         -state disabled
3100 ${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3101 ${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3102 pack .vpane.files.index.title -side top -fill x
3103 pack .vpane.files.index.sx -side bottom -fill x
3104 pack .vpane.files.index.sy -side right -fill y
3105 pack $ui_index -side left -fill both -expand 1
3106
3107 # -- Working Directory File List
3108 #
3109 ${NS}::frame .vpane.files.workdir -height 100 -width 200
3110 tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3111         -background lightsalmon -foreground black
3112 text $ui_workdir -background white -foreground black \
3113         -borderwidth 0 \
3114         -width 20 -height 10 \
3115         -wrap none \
3116         -cursor $cursor_ptr \
3117         -xscrollcommand {.vpane.files.workdir.sx set} \
3118         -yscrollcommand {.vpane.files.workdir.sy set} \
3119         -state disabled
3120 ${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3121 ${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3122 pack .vpane.files.workdir.title -side top -fill x
3123 pack .vpane.files.workdir.sx -side bottom -fill x
3124 pack .vpane.files.workdir.sy -side right -fill y
3125 pack $ui_workdir -side left -fill both -expand 1
3126
3127 .vpane.files add .vpane.files.workdir
3128 .vpane.files add .vpane.files.index
3129 if {!$use_ttk} {
3130         .vpane.files paneconfigure .vpane.files.workdir -sticky news
3131         .vpane.files paneconfigure .vpane.files.index -sticky news
3132 }
3133
3134 foreach i [list $ui_index $ui_workdir] {
3135         rmsel_tag $i
3136         $i tag conf in_diff -background [$i tag cget in_sel -background]
3137 }
3138 unset i
3139
3140 # -- Diff and Commit Area
3141 #
3142 ${NS}::frame .vpane.lower -height 300 -width 400
3143 ${NS}::frame .vpane.lower.commarea
3144 ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1
3145 pack .vpane.lower.diff -fill both -expand 1
3146 pack .vpane.lower.commarea -side bottom -fill x
3147 .vpane add .vpane.lower
3148 if {!$use_ttk} {.vpane paneconfigure .vpane.lower -sticky nsew}
3149
3150 # -- Commit Area Buttons
3151 #
3152 ${NS}::frame .vpane.lower.commarea.buttons
3153 ${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3154         -anchor w \
3155         -justify left
3156 pack .vpane.lower.commarea.buttons.l -side top -fill x
3157 pack .vpane.lower.commarea.buttons -side left -fill y
3158
3159 ${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3160         -command ui_do_rescan
3161 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3162 lappend disable_on_lock \
3163         {.vpane.lower.commarea.buttons.rescan conf -state}
3164
3165 ${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3166         -command do_add_all
3167 pack .vpane.lower.commarea.buttons.incall -side top -fill x
3168 lappend disable_on_lock \
3169         {.vpane.lower.commarea.buttons.incall conf -state}
3170
3171 if {![is_enabled nocommitmsg]} {
3172         ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3173                 -command do_signoff
3174         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3175 }
3176
3177 ${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3178         -command do_commit
3179 pack .vpane.lower.commarea.buttons.commit -side top -fill x
3180 lappend disable_on_lock \
3181         {.vpane.lower.commarea.buttons.commit conf -state}
3182
3183 if {![is_enabled nocommit]} {
3184         ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3185                 -command do_push_anywhere
3186         pack .vpane.lower.commarea.buttons.push -side top -fill x
3187 }
3188
3189 # -- Commit Message Buffer
3190 #
3191 ${NS}::frame .vpane.lower.commarea.buffer
3192 ${NS}::frame .vpane.lower.commarea.buffer.header
3193 set ui_comm .vpane.lower.commarea.buffer.t
3194 set ui_coml .vpane.lower.commarea.buffer.header.l
3195
3196 if {![is_enabled nocommit]} {
3197         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3198                 -text [mc "New Commit"] \
3199                 -command do_select_commit_type \
3200                 -variable selected_commit_type \
3201                 -value new
3202         lappend disable_on_lock \
3203                 [list .vpane.lower.commarea.buffer.header.new conf -state]
3204         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3205                 -text [mc "Amend Last Commit"] \
3206                 -command do_select_commit_type \
3207                 -variable selected_commit_type \
3208                 -value amend
3209         lappend disable_on_lock \
3210                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
3211 }
3212
3213 ${NS}::label $ui_coml \
3214         -anchor w \
3215         -justify left
3216 proc trace_commit_type {varname args} {
3217         global ui_coml commit_type
3218         switch -glob -- $commit_type {
3219         initial       {set txt [mc "Initial Commit Message:"]}
3220         amend         {set txt [mc "Amended Commit Message:"]}
3221         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3222         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3223         merge         {set txt [mc "Merge Commit Message:"]}
3224         *             {set txt [mc "Commit Message:"]}
3225         }
3226         $ui_coml conf -text $txt
3227 }
3228 trace add variable commit_type write trace_commit_type
3229 pack $ui_coml -side left -fill x
3230
3231 if {![is_enabled nocommit]} {
3232         pack .vpane.lower.commarea.buffer.header.amend -side right
3233         pack .vpane.lower.commarea.buffer.header.new -side right
3234 }
3235
3236 text $ui_comm -background white -foreground black \
3237         -borderwidth 1 \
3238         -undo true \
3239         -maxundo 20 \
3240         -autoseparators true \
3241         -relief sunken \
3242         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3243         -font font_diff \
3244         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3245 ${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3246         -command [list $ui_comm yview]
3247 pack .vpane.lower.commarea.buffer.header -side top -fill x
3248 pack .vpane.lower.commarea.buffer.sby -side right -fill y
3249 pack $ui_comm -side left -fill y
3250 pack .vpane.lower.commarea.buffer -side left -fill y
3251
3252 # -- Commit Message Buffer Context Menu
3253 #
3254 set ctxm .vpane.lower.commarea.buffer.ctxm
3255 menu $ctxm -tearoff 0
3256 $ctxm add command \
3257         -label [mc Cut] \
3258         -command {tk_textCut $ui_comm}
3259 $ctxm add command \
3260         -label [mc Copy] \
3261         -command {tk_textCopy $ui_comm}
3262 $ctxm add command \
3263         -label [mc Paste] \
3264         -command {tk_textPaste $ui_comm}
3265 $ctxm add command \
3266         -label [mc Delete] \
3267         -command {catch {$ui_comm delete sel.first sel.last}}
3268 $ctxm add separator
3269 $ctxm add command \
3270         -label [mc "Select All"] \
3271         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3272 $ctxm add command \
3273         -label [mc "Copy All"] \
3274         -command {
3275                 $ui_comm tag add sel 0.0 end
3276                 tk_textCopy $ui_comm
3277                 $ui_comm tag remove sel 0.0 end
3278         }
3279 $ctxm add separator
3280 $ctxm add command \
3281         -label [mc "Sign Off"] \
3282         -command do_signoff
3283 set ui_comm_ctxm $ctxm
3284
3285 # -- Diff Header
3286 #
3287 proc trace_current_diff_path {varname args} {
3288         global current_diff_path diff_actions file_states
3289         if {$current_diff_path eq {}} {
3290                 set s {}
3291                 set f {}
3292                 set p {}
3293                 set o disabled
3294         } else {
3295                 set p $current_diff_path
3296                 set s [mapdesc [lindex $file_states($p) 0] $p]
3297                 set f [mc "File:"]
3298                 set p [escape_path $p]
3299                 set o normal
3300         }
3301
3302         .vpane.lower.diff.header.status configure -text $s
3303         .vpane.lower.diff.header.file configure -text $f
3304         .vpane.lower.diff.header.path configure -text $p
3305         foreach w $diff_actions {
3306                 uplevel #0 $w $o
3307         }
3308 }
3309 trace add variable current_diff_path write trace_current_diff_path
3310
3311 gold_frame .vpane.lower.diff.header
3312 tlabel .vpane.lower.diff.header.status \
3313         -background gold \
3314         -foreground black \
3315         -width $max_status_desc \
3316         -anchor w \
3317         -justify left
3318 tlabel .vpane.lower.diff.header.file \
3319         -background gold \
3320         -foreground black \
3321         -anchor w \
3322         -justify left
3323 tlabel .vpane.lower.diff.header.path \
3324         -background gold \
3325         -foreground black \
3326         -anchor w \
3327         -justify left
3328 pack .vpane.lower.diff.header.status -side left
3329 pack .vpane.lower.diff.header.file -side left
3330 pack .vpane.lower.diff.header.path -fill x
3331 set ctxm .vpane.lower.diff.header.ctxm
3332 menu $ctxm -tearoff 0
3333 $ctxm add command \
3334         -label [mc Copy] \
3335         -command {
3336                 clipboard clear
3337                 clipboard append \
3338                         -format STRING \
3339                         -type STRING \
3340                         -- $current_diff_path
3341         }
3342 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3343 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3344
3345 # -- Diff Body
3346 #
3347 ${NS}::frame .vpane.lower.diff.body
3348 set ui_diff .vpane.lower.diff.body.t
3349 text $ui_diff -background white -foreground black \
3350         -borderwidth 0 \
3351         -width 80 -height 5 -wrap none \
3352         -font font_diff \
3353         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3354         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3355         -state disabled
3356 catch {$ui_diff configure -tabstyle wordprocessor}
3357 ${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3358         -command [list $ui_diff xview]
3359 ${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3360         -command [list $ui_diff yview]
3361 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3362 pack .vpane.lower.diff.body.sby -side right -fill y
3363 pack $ui_diff -side left -fill both -expand 1
3364 pack .vpane.lower.diff.header -side top -fill x
3365 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3366
3367 foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3368         $ui_diff tag configure clr4$n -background $c
3369         $ui_diff tag configure clri4$n -foreground $c
3370         $ui_diff tag configure clr3$n -foreground $c
3371         $ui_diff tag configure clri3$n -background $c
3372 }
3373 $ui_diff tag configure clr1 -font font_diffbold
3374
3375 $ui_diff tag conf d_info -foreground blue -font font_diffbold
3376
3377 $ui_diff tag conf d_cr -elide true
3378 $ui_diff tag conf d_@ -font font_diffbold
3379 $ui_diff tag conf d_+ -foreground {#00a000}
3380 $ui_diff tag conf d_- -foreground red
3381
3382 $ui_diff tag conf d_++ -foreground {#00a000}
3383 $ui_diff tag conf d_-- -foreground red
3384 $ui_diff tag conf d_+s \
3385         -foreground {#00a000} \
3386         -background {#e2effa}
3387 $ui_diff tag conf d_-s \
3388         -foreground red \
3389         -background {#e2effa}
3390 $ui_diff tag conf d_s+ \
3391         -foreground {#00a000} \
3392         -background ivory1
3393 $ui_diff tag conf d_s- \
3394         -foreground red \
3395         -background ivory1
3396
3397 $ui_diff tag conf d< \
3398         -foreground orange \
3399         -font font_diffbold
3400 $ui_diff tag conf d= \
3401         -foreground orange \
3402         -font font_diffbold
3403 $ui_diff tag conf d> \
3404         -foreground orange \
3405         -font font_diffbold
3406
3407 $ui_diff tag raise sel
3408
3409 # -- Diff Body Context Menu
3410 #
3411
3412 proc create_common_diff_popup {ctxm} {
3413         $ctxm add command \
3414                 -label [mc Refresh] \
3415                 -command reshow_diff
3416         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3417         $ctxm add command \
3418                 -label [mc Copy] \
3419                 -command {tk_textCopy $ui_diff}
3420         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3421         $ctxm add command \
3422                 -label [mc "Select All"] \
3423                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3424         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3425         $ctxm add command \
3426                 -label [mc "Copy All"] \
3427                 -command {
3428                         $ui_diff tag add sel 0.0 end
3429                         tk_textCopy $ui_diff
3430                         $ui_diff tag remove sel 0.0 end
3431                 }
3432         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3433         $ctxm add separator
3434         $ctxm add command \
3435                 -label [mc "Decrease Font Size"] \
3436                 -command {incr_font_size font_diff -1}
3437         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3438         $ctxm add command \
3439                 -label [mc "Increase Font Size"] \
3440                 -command {incr_font_size font_diff 1}
3441         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3442         $ctxm add separator
3443         set emenu $ctxm.enc
3444         menu $emenu
3445         build_encoding_menu $emenu [list force_diff_encoding]
3446         $ctxm add cascade \
3447                 -label [mc "Encoding"] \
3448                 -menu $emenu
3449         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3450         $ctxm add separator
3451         $ctxm add command -label [mc "Options..."] \
3452                 -command do_options
3453 }
3454
3455 set ctxm .vpane.lower.diff.body.ctxm
3456 menu $ctxm -tearoff 0
3457 $ctxm add command \
3458         -label [mc "Apply/Reverse Hunk"] \
3459         -command {apply_hunk $cursorX $cursorY}
3460 set ui_diff_applyhunk [$ctxm index last]
3461 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3462 $ctxm add command \
3463         -label [mc "Apply/Reverse Line"] \
3464         -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3465 set ui_diff_applyline [$ctxm index last]
3466 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3467 $ctxm add separator
3468 $ctxm add command \
3469         -label [mc "Show Less Context"] \
3470         -command show_less_context
3471 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3472 $ctxm add command \
3473         -label [mc "Show More Context"] \
3474         -command show_more_context
3475 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3476 $ctxm add separator
3477 create_common_diff_popup $ctxm
3478
3479 set ctxmmg .vpane.lower.diff.body.ctxmmg
3480 menu $ctxmmg -tearoff 0
3481 $ctxmmg add command \
3482         -label [mc "Run Merge Tool"] \
3483         -command {merge_resolve_tool}
3484 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3485 $ctxmmg add separator
3486 $ctxmmg add command \
3487         -label [mc "Use Remote Version"] \
3488         -command {merge_resolve_one 3}
3489 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3490 $ctxmmg add command \
3491         -label [mc "Use Local Version"] \
3492         -command {merge_resolve_one 2}
3493 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3494 $ctxmmg add command \
3495         -label [mc "Revert To Base"] \
3496         -command {merge_resolve_one 1}
3497 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3498 $ctxmmg add separator
3499 $ctxmmg add command \
3500         -label [mc "Show Less Context"] \
3501         -command show_less_context
3502 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3503 $ctxmmg add command \
3504         -label [mc "Show More Context"] \
3505         -command show_more_context
3506 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3507 $ctxmmg add separator
3508 create_common_diff_popup $ctxmmg
3509
3510 set ctxmsm .vpane.lower.diff.body.ctxmsm
3511 menu $ctxmsm -tearoff 0
3512 $ctxmsm add command \
3513         -label [mc "Visualize These Changes In The Submodule"] \
3514         -command {do_gitk -- true}
3515 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3516 $ctxmsm add command \
3517         -label [mc "Visualize Current Branch History In The Submodule"] \
3518         -command {do_gitk {} true}
3519 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3520 $ctxmsm add command \
3521         -label [mc "Visualize All Branch History In The Submodule"] \
3522         -command {do_gitk --all true}
3523 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3524 $ctxmsm add separator
3525 $ctxmsm add command \
3526         -label [mc "Start git gui In The Submodule"] \
3527         -command {do_git_gui}
3528 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3529 $ctxmsm add separator
3530 create_common_diff_popup $ctxmsm
3531
3532 proc has_textconv {path} {
3533         if {[is_config_false gui.textconv]} {
3534                 return 0
3535         }
3536         set filter [gitattr $path diff set]
3537         set textconv [get_config [join [list diff $filter textconv] .]]
3538         if {$filter ne {set} && $textconv ne {}} {
3539                 return 1
3540         } else {
3541                 return 0
3542         }
3543 }
3544
3545 proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3546         global current_diff_path file_states
3547         set ::cursorX $x
3548         set ::cursorY $y
3549         if {[info exists file_states($current_diff_path)]} {
3550                 set state [lindex $file_states($current_diff_path) 0]
3551         } else {
3552                 set state {__}
3553         }
3554         if {[string first {U} $state] >= 0} {
3555                 tk_popup $ctxmmg $X $Y
3556         } elseif {$::is_submodule_diff} {
3557                 tk_popup $ctxmsm $X $Y
3558         } else {
3559                 set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3560                 if {$::ui_index eq $::current_diff_side} {
3561                         set l [mc "Unstage Hunk From Commit"]
3562                         if {$has_range} {
3563                                 set t [mc "Unstage Lines From Commit"]
3564                         } else {
3565                                 set t [mc "Unstage Line From Commit"]
3566                         }
3567                 } else {
3568                         set l [mc "Stage Hunk For Commit"]
3569                         if {$has_range} {
3570                                 set t [mc "Stage Lines For Commit"]
3571                         } else {
3572                                 set t [mc "Stage Line For Commit"]
3573                         }
3574                 }
3575                 if {$::is_3way_diff
3576                         || $current_diff_path eq {}
3577                         || {__} eq $state
3578                         || {_O} eq $state
3579                         || [string match {?T} $state]
3580                         || [string match {T?} $state]
3581                         || [has_textconv $current_diff_path]} {
3582                         set s disabled
3583                 } else {
3584                         set s normal
3585                 }
3586                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3587                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3588                 tk_popup $ctxm $X $Y
3589         }
3590 }
3591 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3592
3593 # -- Status Bar
3594 #
3595 set main_status [::status_bar::new .status]
3596 pack .status -anchor w -side bottom -fill x
3597 $main_status show [mc "Initializing..."]
3598
3599 # -- Load geometry
3600 #
3601 proc on_ttk_pane_mapped {w pane pos} {
3602         bind $w <Map> {}
3603         after 0 [list after idle [list $w sashpos $pane $pos]]
3604 }
3605 proc on_tk_pane_mapped {w pane x y} {
3606         bind $w <Map> {}
3607         after 0 [list after idle [list $w sash place $pane $x $y]]
3608 }
3609 proc on_application_mapped {} {
3610         global repo_config use_ttk
3611         bind . <Map> {}
3612         set gm $repo_config(gui.geometry)
3613         if {$use_ttk} {
3614                 bind .vpane <Map> \
3615                     [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3616                 bind .vpane.files <Map> \
3617                     [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3618         } else {
3619                 bind .vpane <Map> \
3620                     [list on_tk_pane_mapped %W 0 \
3621                          [lindex $gm 1] \
3622                          [lindex [.vpane sash coord 0] 1]]
3623                 bind .vpane.files <Map> \
3624                     [list on_tk_pane_mapped %W 0 \
3625                          [lindex [.vpane.files sash coord 0] 0] \
3626                          [lindex $gm 2]]
3627         }
3628         wm geometry . [lindex $gm 0]
3629 }
3630 if {[info exists repo_config(gui.geometry)]} {
3631         bind . <Map> [list on_application_mapped]
3632         wm geometry . [lindex $repo_config(gui.geometry) 0]
3633 }
3634
3635 # -- Load window state
3636 #
3637 if {[info exists repo_config(gui.wmstate)]} {
3638         catch {wm state . $repo_config(gui.wmstate)}
3639 }
3640
3641 # -- Key Bindings
3642 #
3643 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3644 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3645 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3646 bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3647 bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3648 bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3649 bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3650 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3651 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3652 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3653 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3654 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3655 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3656 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3657 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3658 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3659 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3660 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3661 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3662 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3663 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3664 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3665
3666 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3667 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3668 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3669 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3670 bind $ui_diff <$M1B-Key-v> {break}
3671 bind $ui_diff <$M1B-Key-V> {break}
3672 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3673 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3674 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3675 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3676 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3677 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3678 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3679 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3680 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3681 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3682 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3683 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3684 bind $ui_diff <Button-1>   {focus %W}
3685
3686 if {[is_enabled branch]} {
3687         bind . <$M1B-Key-n> branch_create::dialog
3688         bind . <$M1B-Key-N> branch_create::dialog
3689         bind . <$M1B-Key-o> branch_checkout::dialog
3690         bind . <$M1B-Key-O> branch_checkout::dialog
3691         bind . <$M1B-Key-m> merge::dialog
3692         bind . <$M1B-Key-M> merge::dialog
3693 }
3694 if {[is_enabled transport]} {
3695         bind . <$M1B-Key-p> do_push_anywhere
3696         bind . <$M1B-Key-P> do_push_anywhere
3697 }
3698
3699 bind .   <Key-F5>     ui_do_rescan
3700 bind .   <$M1B-Key-r> ui_do_rescan
3701 bind .   <$M1B-Key-R> ui_do_rescan
3702 bind .   <$M1B-Key-s> do_signoff
3703 bind .   <$M1B-Key-S> do_signoff
3704 bind .   <$M1B-Key-t> do_add_selection
3705 bind .   <$M1B-Key-T> do_add_selection
3706 bind .   <$M1B-Key-j> do_revert_selection
3707 bind .   <$M1B-Key-J> do_revert_selection
3708 bind .   <$M1B-Key-i> do_add_all
3709 bind .   <$M1B-Key-I> do_add_all
3710 bind .   <$M1B-Key-minus> {show_less_context;break}
3711 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3712 bind .   <$M1B-Key-equal> {show_more_context;break}
3713 bind .   <$M1B-Key-plus> {show_more_context;break}
3714 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3715 bind .   <$M1B-Key-Return> do_commit
3716 foreach i [list $ui_index $ui_workdir] {
3717         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3718         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3719         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3720 }
3721 unset i
3722
3723 set file_lists($ui_index) [list]
3724 set file_lists($ui_workdir) [list]
3725
3726 wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3727 focus -force $ui_comm
3728
3729 # -- Warn the user about environmental problems.  Cygwin's Tcl
3730 #    does *not* pass its env array onto any processes it spawns.
3731 #    This means that git processes get none of our environment.
3732 #
3733 if {[is_Cygwin]} {
3734         set ignored_env 0
3735         set suggest_user {}
3736         set msg [mc "Possible environment issues exist.
3737
3738 The following environment variables are probably
3739 going to be ignored by any Git subprocess run
3740 by %s:
3741
3742 " [appname]]
3743         foreach name [array names env] {
3744                 switch -regexp -- $name {
3745                 {^GIT_INDEX_FILE$} -
3746                 {^GIT_OBJECT_DIRECTORY$} -
3747                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3748                 {^GIT_DIFF_OPTS$} -
3749                 {^GIT_EXTERNAL_DIFF$} -
3750                 {^GIT_PAGER$} -
3751                 {^GIT_TRACE$} -
3752                 {^GIT_CONFIG$} -
3753                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3754                         append msg " - $name\n"
3755                         incr ignored_env
3756                 }
3757                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3758                         append msg " - $name\n"
3759                         incr ignored_env
3760                         set suggest_user $name
3761                 }
3762                 }
3763         }
3764         if {$ignored_env > 0} {
3765                 append msg [mc "
3766 This is due to a known issue with the
3767 Tcl binary distributed by Cygwin."]
3768
3769                 if {$suggest_user ne {}} {
3770                         append msg [mc "
3771
3772 A good replacement for %s
3773 is placing values for the user.name and
3774 user.email settings into your personal
3775 ~/.gitconfig file.
3776 " $suggest_user]
3777                 }
3778                 warn_popup $msg
3779         }
3780         unset ignored_env msg suggest_user name
3781 }
3782
3783 # -- Only initialize complex UI if we are going to stay running.
3784 #
3785 if {[is_enabled transport]} {
3786         load_all_remotes
3787
3788         set n [.mbar.remote index end]
3789         populate_remotes_menu
3790         set n [expr {[.mbar.remote index end] - $n}]
3791         if {$n > 0} {
3792                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3793                 .mbar.remote insert $n separator
3794         }
3795         unset n
3796 }
3797
3798 if {[winfo exists $ui_comm]} {
3799         set GITGUI_BCK_exists [load_message GITGUI_BCK]
3800
3801         # -- If both our backup and message files exist use the
3802         #    newer of the two files to initialize the buffer.
3803         #
3804         if {$GITGUI_BCK_exists} {
3805                 set m [gitdir GITGUI_MSG]
3806                 if {[file isfile $m]} {
3807                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3808                                 catch {file delete [gitdir GITGUI_MSG]}
3809                         } else {
3810                                 $ui_comm delete 0.0 end
3811                                 $ui_comm edit reset
3812                                 $ui_comm edit modified false
3813                                 catch {file delete [gitdir GITGUI_BCK]}
3814                                 set GITGUI_BCK_exists 0
3815                         }
3816                 }
3817                 unset m
3818         }
3819
3820         proc backup_commit_buffer {} {
3821                 global ui_comm GITGUI_BCK_exists
3822
3823                 set m [$ui_comm edit modified]
3824                 if {$m || $GITGUI_BCK_exists} {
3825                         set msg [string trim [$ui_comm get 0.0 end]]
3826                         regsub -all -line {[ \r\t]+$} $msg {} msg
3827
3828                         if {$msg eq {}} {
3829                                 if {$GITGUI_BCK_exists} {
3830                                         catch {file delete [gitdir GITGUI_BCK]}
3831                                         set GITGUI_BCK_exists 0
3832                                 }
3833                         } elseif {$m} {
3834                                 catch {
3835                                         set fd [open [gitdir GITGUI_BCK] w]
3836                                         puts -nonewline $fd $msg
3837                                         close $fd
3838                                         set GITGUI_BCK_exists 1
3839                                 }
3840                         }
3841
3842                         $ui_comm edit modified false
3843                 }
3844
3845                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3846         }
3847
3848         backup_commit_buffer
3849
3850         # -- If the user has aspell available we can drive it
3851         #    in pipe mode to spellcheck the commit message.
3852         #
3853         set spell_cmd [list |]
3854         set spell_dict [get_config gui.spellingdictionary]
3855         lappend spell_cmd aspell
3856         if {$spell_dict ne {}} {
3857                 lappend spell_cmd --master=$spell_dict
3858         }
3859         lappend spell_cmd --mode=none
3860         lappend spell_cmd --encoding=utf-8
3861         lappend spell_cmd pipe
3862         if {$spell_dict eq {none}
3863          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3864                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3865         } else {
3866                 set ui_comm_spell [spellcheck::init \
3867                         $spell_fd \
3868                         $ui_comm \
3869                         $ui_comm_ctxm \
3870                 ]
3871         }
3872         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3873 }
3874
3875 lock_index begin-read
3876 if {![winfo ismapped .]} {
3877         wm deiconify .
3878 }
3879 after 1 {
3880         if {[is_enabled initialamend]} {
3881                 force_amend
3882         } else {
3883                 do_rescan
3884         }
3885
3886         if {[is_enabled nocommitmsg]} {
3887                 $ui_comm configure -state disabled -background gray
3888         }
3889 }
3890 if {[is_enabled multicommit]} {
3891         after 1000 hint_gc
3892 }
3893 if {[is_enabled retcode]} {
3894         bind . <Destroy> {+terminate_me %W}
3895 }
3896 if {$picked && [is_config_true gui.autoexplore]} {
3897         do_explore
3898 }
3899
3900 # Local variables:
3901 # mode: tcl
3902 # indent-tabs-mode: t
3903 # tab-width: 4
3904 # End: