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         }
 303         set v [string tolower $v]
 304         if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 305                 return 1
 306         } else {
 307                 return 0
 308         }
 309 }
 310
 311 proc is_config_false {name} {
 312         global repo_config
 313         if {[catch {set v $repo_config($name)}]} {
 314                 return 0
 315         }
 316         set v [string tolower $v]
 317         if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 318                 return 1
 319         } else {
 320                 return 0
 321         }
 322 }
 323
 324 proc get_config {name} {
 325         global repo_config
 326         if {[catch {set v $repo_config($name)}]} {
 327                 return {}
 328         } else {
 329                 return $v
 330         }
 331 }
 332
 333 proc is_bare {} {
 334         global _isbare
 335         global _gitdir
 336         global _gitworktree
 337
 338         if {$_isbare eq {}} {
 339                 if {[catch {
 340                         set _bare [git rev-parse --is-bare-repository]
 341                         switch  -- $_bare {
 342                         true { set _isbare 1 }
 343                         false { set _isbare 0}
 344                         default { throw }
 345                         }
 346                 }]} {
 347                         if {[is_config_true core.bare]
 348                                 || ($_gitworktree eq {}
 349                                         && [lindex [file split $_gitdir] end] ne {.git})} {
 350                                 set _isbare 1
 351                         } else {
 352                                 set _isbare 0
 353                         }
 354                 }
 355         }
 356         return $_isbare
 357 }
 358
 359 ######################################################################
 360 ##
 361 ## handy utils
 362
 363 proc _trace_exec {cmd} {
 364         if {!$::_trace} return
 365         set d {}
 366         foreach v $cmd {
 367                 if {$d ne {}} {
 368                         append d { }
 369                 }
 370                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 371                         set v [sq $v]
 372                 }
 373                 append d $v
 374         }
 375         puts stderr $d
 376 }
 377
 378 #'"  fix poor old emacs font-lock mode
 379
 380 proc _git_cmd {name} {
 381         global _git_cmd_path
 382
 383         if {[catch {set v $_git_cmd_path($name)}]} {
 384                 switch -- $name {
 385                   version   -
 386                 --version   -
 387                 --exec-path { return [list $::_git $name] }
 388                 }
 389
 390                 set p [gitexec git-$name$::_search_exe]
 391                 if {[file exists $p]} {
 392                         set v [list $p]
 393                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 394                         # Try to determine what sort of magic will make
 395                         # git-$name go and do its thing, because native
 396                         # Tcl on Windows doesn't know it.
 397                         #
 398                         set p [gitexec git-$name]
 399                         set f [open $p r]
 400                         set s [gets $f]
 401                         close $f
 402
 403                         switch -glob -- [lindex $s 0] {
 404                         #!*sh     { set i sh     }
 405                         #!*perl   { set i perl   }
 406                         #!*python { set i python }
 407                         default   { error "git-$name is not supported: $s" }
 408                         }
 409
 410                         upvar #0 _$i interp
 411                         if {![info exists interp]} {
 412                                 set interp [_which $i]
 413                         }
 414                         if {$interp eq {}} {
 415                                 error "git-$name requires $i (not in PATH)"
 416                         }
 417                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 418                 } else {
 419                         # Assume it is builtin to git somehow and we
 420                         # aren't actually able to see a file for it.
 421                         #
 422                         set v [list $::_git $name]
 423                 }
 424                 set _git_cmd_path($name) $v
 425         }
 426         return $v
 427 }
 428
 429 proc _which {what args} {
 430         global env _search_exe _search_path
 431
 432         if {$_search_path eq {}} {
 433                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 434                         set _search_path [split [exec cygpath \
 435                                 --windows \
 436                                 --path \
 437                                 --absolute \
 438                                 $env(PATH)] {;}]
 439                         set _search_exe .exe
 440                 } elseif {[is_Windows]} {
 441                         set gitguidir [file dirname [info script]]
 442                         regsub -all ";" $gitguidir "\\;" gitguidir
 443                         set env(PATH) "$gitguidir;$env(PATH)"
 444                         set _search_path [split $env(PATH) {;}]
 445                         set _search_exe .exe
 446                 } else {
 447                         set _search_path [split $env(PATH) :]
 448                         set _search_exe {}
 449                 }
 450         }
 451
 452         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 453                 set suffix {}
 454         } else {
 455                 set suffix $_search_exe
 456         }
 457
 458         foreach p $_search_path {
 459                 set p [file join $p $what$suffix]
 460                 if {[file exists $p]} {
 461                         return [file normalize $p]
 462                 }
 463         }
 464         return {}
 465 }
 466
 467 # Test a file for a hashbang to identify executable scripts on Windows.
 468 proc is_shellscript {filename} {
 469         if {![file exists $filename]} {return 0}
 470         set f [open $filename r]
 471         fconfigure $f -encoding binary
 472         set magic [read $f 2]
 473         close $f
 474         return [expr {$magic eq "#!"}]
 475 }
 476
 477 # Run a command connected via pipes on stdout.
 478 # This is for use with textconv filters and uses sh -c "..." to allow it to
 479 # contain a command with arguments. On windows we must check for shell
 480 # scripts specifically otherwise just call the filter command.
 481 proc open_cmd_pipe {cmd path} {
 482         global env
 483         if {![file executable [shellpath]]} {
 484                 set exe [auto_execok [lindex $cmd 0]]
 485                 if {[is_shellscript [lindex $exe 0]]} {
 486                         set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 487                 } else {
 488                         set run [concat $exe [lrange $cmd 1 end] $path]
 489                 }
 490         } else {
 491                 set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 492         }
 493         return [open |$run r]
 494 }
 495
 496 proc _lappend_nice {cmd_var} {
 497         global _nice
 498         upvar $cmd_var cmd
 499
 500         if {![info exists _nice]} {
 501                 set _nice [_which nice]
 502                 if {[catch {exec $_nice git version}]} {
 503                         set _nice {}
 504                 } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 505                         set _nice {}
 506                 }
 507         }
 508         if {$_nice ne {}} {
 509                 lappend cmd $_nice
 510         }
 511 }
 512
 513 proc git {args} {
 514         set opt [list]
 515
 516         while {1} {
 517                 switch -- [lindex $args 0] {
 518                 --nice {
 519                         _lappend_nice opt
 520                 }
 521
 522                 default {
 523                         break
 524                 }
 525
 526                 }
 527
 528                 set args [lrange $args 1 end]
 529         }
 530
 531         set cmdp [_git_cmd [lindex $args 0]]
 532         set args [lrange $args 1 end]
 533
 534         _trace_exec [concat $opt $cmdp $args]
 535         set result [eval exec $opt $cmdp $args]
 536         if {$::_trace} {
 537                 puts stderr "< $result"
 538         }
 539         return $result
 540 }
 541
 542 proc _open_stdout_stderr {cmd} {
 543         _trace_exec $cmd
 544         if {[catch {
 545                         set fd [open [concat [list | ] $cmd] r]
 546                 } err]} {
 547                 if {   [lindex $cmd end] eq {2>@1}
 548                     && $err eq {can not find channel named "1"}
 549                         } {
 550                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 551                         # redirect operator.  Fallback to |& cat for those.
 552                         # The command was not actually started, so its safe
 553                         # to try to start it a second time.
 554                         #
 555                         set fd [open [concat \
 556                                 [list | ] \
 557                                 [lrange $cmd 0 end-1] \
 558                                 [list |& cat] \
 559                                 ] r]
 560                 } else {
 561                         error $err
 562                 }
 563         }
 564         fconfigure $fd -eofchar {}
 565         return $fd
 566 }
 567
 568 proc git_read {args} {
 569         set opt [list]
 570
 571         while {1} {
 572                 switch -- [lindex $args 0] {
 573                 --nice {
 574                         _lappend_nice opt
 575                 }
 576
 577                 --stderr {
 578                         lappend args 2>@1
 579                 }
 580
 581                 default {
 582                         break
 583                 }
 584
 585                 }
 586
 587                 set args [lrange $args 1 end]
 588         }
 589
 590         set cmdp [_git_cmd [lindex $args 0]]
 591         set args [lrange $args 1 end]
 592
 593         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 594 }
 595
 596 proc git_write {args} {
 597         set opt [list]
 598
 599         while {1} {
 600                 switch -- [lindex $args 0] {
 601                 --nice {
 602                         _lappend_nice opt
 603                 }
 604
 605                 default {
 606                         break
 607                 }
 608
 609                 }
 610
 611                 set args [lrange $args 1 end]
 612         }
 613
 614         set cmdp [_git_cmd [lindex $args 0]]
 615         set args [lrange $args 1 end]
 616
 617         _trace_exec [concat $opt $cmdp $args]
 618         return [open [concat [list | ] $opt $cmdp $args] w]
 619 }
 620
 621 proc githook_read {hook_name args} {
 622         set pchook [gitdir hooks $hook_name]
 623         lappend args 2>@1
 624
 625         # On Windows [file executable] might lie so we need to ask
 626         # the shell if the hook is executable.  Yes that's annoying.
 627         #
 628         if {[is_Windows]} {
 629                 upvar #0 _sh interp
 630                 if {![info exists interp]} {
 631                         set interp [_which sh]
 632                 }
 633                 if {$interp eq {}} {
 634                         error "hook execution requires sh (not in PATH)"
 635                 }
 636
 637                 set scr {if test -x "$1";then exec "$@";fi}
 638                 set sh_c [list $interp -c $scr $interp $pchook]
 639                 return [_open_stdout_stderr [concat $sh_c $args]]
 640         }
 641
 642         if {[file executable $pchook]} {
 643                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 644         }
 645
 646         return {}
 647 }
 648
 649 proc kill_file_process {fd} {
 650         set process [pid $fd]
 651
 652         catch {
 653                 if {[is_Windows]} {
 654                         # Use a Cygwin-specific flag to allow killing
 655                         # native Windows processes
 656                         exec kill -f $process
 657                 } else {
 658                         exec kill $process
 659                 }
 660         }
 661 }
 662
 663 proc gitattr {path attr default} {
 664         if {[catch {set r [git check-attr $attr -- $path]}]} {
 665                 set r unspecified
 666         } else {
 667                 set r [join [lrange [split $r :] 2 end] :]
 668                 regsub {^ } $r {} r
 669         }
 670         if {$r eq {unspecified}} {
 671                 return $default
 672         }
 673         return $r
 674 }
 675
 676 proc sq {value} {
 677         regsub -all ' $value "'\\''" value
 678         return "'$value'"
 679 }
 680
 681 proc load_current_branch {} {
 682         global current_branch is_detached
 683
 684         set fd [open [gitdir HEAD] r]
 685         if {[gets $fd ref] < 1} {
 686                 set ref {}
 687         }
 688         close $fd
 689
 690         set pfx {ref: refs/heads/}
 691         set len [string length $pfx]
 692         if {[string equal -length $len $pfx $ref]} {
 693                 # We're on a branch.  It might not exist.  But
 694                 # HEAD looks good enough to be a branch.
 695                 #
 696                 set current_branch [string range $ref $len end]
 697                 set is_detached 0
 698         } else {
 699                 # Assume this is a detached head.
 700                 #
 701                 set current_branch HEAD
 702                 set is_detached 1
 703         }
 704 }
 705
 706 auto_load tk_optionMenu
 707 rename tk_optionMenu real__tkOptionMenu
 708 proc tk_optionMenu {w varName args} {
 709         set m [eval real__tkOptionMenu $w $varName $args]
 710         $m configure -font font_ui
 711         $w configure -font font_ui
 712         return $m
 713 }
 714
 715 proc rmsel_tag {text} {
 716         $text tag conf sel \
 717                 -background [$text cget -background] \
 718                 -foreground [$text cget -foreground] \
 719                 -borderwidth 0
 720         $text tag conf in_sel -background lightgray
 721         bind $text <Motion> break
 722         return $text
 723 }
 724
 725 wm withdraw .
 726 set root_exists 0
 727 bind . <Visibility> {
 728         bind . <Visibility> {}
 729         set root_exists 1
 730 }
 731
 732 if {[is_Windows]} {
 733         wm iconbitmap . -default $oguilib/git-gui.ico
 734         set ::tk::AlwaysShowSelection 1
 735         bind . <Control-F2> {console show}
 736
 737         # Spoof an X11 display for SSH
 738         if {![info exists env(DISPLAY)]} {
 739                 set env(DISPLAY) :9999
 740         }
 741 } else {
 742         catch {
 743                 image create photo gitlogo -width 16 -height 16
 744
 745                 gitlogo put #33CC33 -to  7  0  9  2
 746                 gitlogo put #33CC33 -to  4  2 12  4
 747                 gitlogo put #33CC33 -to  7  4  9  6
 748                 gitlogo put #CC3333 -to  4  6 12  8
 749                 gitlogo put gray26  -to  4  9  6 10
 750                 gitlogo put gray26  -to  3 10  6 12
 751                 gitlogo put gray26  -to  8  9 13 11
 752                 gitlogo put gray26  -to  8 11 10 12
 753                 gitlogo put gray26  -to 11 11 13 14
 754                 gitlogo put gray26  -to  3 12  5 14
 755                 gitlogo put gray26  -to  5 13
 756                 gitlogo put gray26  -to 10 13
 757                 gitlogo put gray26  -to  4 14 12 15
 758                 gitlogo put gray26  -to  5 15 11 16
 759                 gitlogo redither
 760
 761                 image create photo gitlogo32 -width 32 -height 32
 762                 gitlogo32 copy gitlogo -zoom 2 2
 763
 764                 wm iconphoto . -default gitlogo gitlogo32
 765         }
 766 }
 767
 768 ######################################################################
 769 ##
 770 ## config defaults
 771
 772 set cursor_ptr arrow
 773 font create font_ui
 774 if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 775         eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 776         eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 777 } else {
 778         font create font_diff -family Courier -size 10
 779         catch {
 780                 label .dummy
 781                 eval font configure font_ui [font actual [.dummy cget -font]]
 782                 destroy .dummy
 783         }
 784 }
 785
 786 font create font_uiitalic
 787 font create font_uibold
 788 font create font_diffbold
 789 font create font_diffitalic
 790
 791 foreach class {Button Checkbutton Entry Label
 792                 Labelframe Listbox Message
 793                 Radiobutton Spinbox Text} {
 794         option add *$class.font font_ui
 795 }
 796 if {![is_MacOSX]} {
 797         option add *Menu.font font_ui
 798         option add *Entry.borderWidth 1 startupFile
 799         option add *Entry.relief sunken startupFile
 800         option add *RadioButton.anchor w startupFile
 801 }
 802 unset class
 803
 804 if {[is_Windows] || [is_MacOSX]} {
 805         option add *Menu.tearOff 0
 806 }
 807
 808 if {[is_MacOSX]} {
 809         set M1B M1
 810         set M1T Cmd
 811 } else {
 812         set M1B Control
 813         set M1T Ctrl
 814 }
 815
 816 proc bind_button3 {w cmd} {
 817         bind $w <Any-Button-3> $cmd
 818         if {[is_MacOSX]} {
 819                 # Mac OS X sends Button-2 on right click through three-button mouse,
 820                 # or through trackpad right-clicking (two-finger touch + click).
 821                 bind $w <Any-Button-2> $cmd
 822                 bind $w <Control-Button-1> $cmd
 823         }
 824 }
 825
 826 proc apply_config {} {
 827         global repo_config font_descs
 828
 829         foreach option $font_descs {
 830                 set name [lindex $option 0]
 831                 set font [lindex $option 1]
 832                 if {[catch {
 833                         set need_weight 1
 834                         foreach {cn cv} $repo_config(gui.$name) {
 835                                 if {$cn eq {-weight}} {
 836                                         set need_weight 0
 837                                 }
 838                                 font configure $font $cn $cv
 839                         }
 840                         if {$need_weight} {
 841                                 font configure $font -weight normal
 842                         }
 843                         } err]} {
 844                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 845                 }
 846                 foreach {cn cv} [font configure $font] {
 847                         font configure ${font}bold $cn $cv
 848                         font configure ${font}italic $cn $cv
 849                 }
 850                 font configure ${font}bold -weight bold
 851                 font configure ${font}italic -slant italic
 852         }
 853
 854         global use_ttk NS
 855         set use_ttk 0
 856         set NS {}
 857         if {$repo_config(gui.usettk)} {
 858                 set use_ttk [package vsatisfies [package provide Tk] 8.5]
 859                 if {$use_ttk} {
 860                         set NS ttk
 861                         bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 862                         pave_toplevel .
 863                 }
 864         }
 865 }
 866
 867 set default_config(branch.autosetupmerge) true
 868 set default_config(merge.tool) {}
 869 set default_config(mergetool.keepbackup) true
 870 set default_config(merge.diffstat) true
 871 set default_config(merge.summary) false
 872 set default_config(merge.verbosity) 2
 873 set default_config(user.name) {}
 874 set default_config(user.email) {}
 875
 876 set default_config(gui.encoding) [encoding system]
 877 set default_config(gui.matchtrackingbranch) false
 878 set default_config(gui.textconv) true
 879 set default_config(gui.pruneduringfetch) false
 880 set default_config(gui.trustmtime) false
 881 set default_config(gui.fastcopyblame) false
 882 set default_config(gui.copyblamethreshold) 40
 883 set default_config(gui.blamehistoryctx) 7
 884 set default_config(gui.diffcontext) 5
 885 set default_config(gui.diffopts) {}
 886 set default_config(gui.commitmsgwidth) 75
 887 set default_config(gui.newbranchtemplate) {}
 888 set default_config(gui.spellingdictionary) {}
 889 set default_config(gui.fontui) [font configure font_ui]
 890 set default_config(gui.fontdiff) [font configure font_diff]
 891 # TODO: this option should be added to the git-config documentation
 892 set default_config(gui.maxfilesdisplayed) 5000
 893 set default_config(gui.usettk) 1
 894 set default_config(gui.warndetachedcommit) 1
 895 set font_descs {
 896         {fontui   font_ui   {mc "Main Font"}}
 897         {fontdiff font_diff {mc "Diff/Console Font"}}
 898 }
 899 set default_config(gui.stageuntracked) ask
 900
 901 ######################################################################
 902 ##
 903 ## find git
 904
 905 set _git  [_which git]
 906 if {$_git eq {}} {
 907         catch {wm withdraw .}
 908         tk_messageBox \
 909                 -icon error \
 910                 -type ok \
 911                 -title [mc "git-gui: fatal error"] \
 912                 -message [mc "Cannot find git in PATH."]
 913         exit 1
 914 }
 915
 916 ######################################################################
 917 ##
 918 ## version check
 919
 920 if {[catch {set _git_version [git --version]} err]} {
 921         catch {wm withdraw .}
 922         tk_messageBox \
 923                 -icon error \
 924                 -type ok \
 925                 -title [mc "git-gui: fatal error"] \
 926                 -message "Cannot determine Git version:
 927
 928 $err
 929
 930 [appname] requires Git 1.5.0 or later."
 931         exit 1
 932 }
 933 if {![regsub {^git version } $_git_version {} _git_version]} {
 934         catch {wm withdraw .}
 935         tk_messageBox \
 936                 -icon error \
 937                 -type ok \
 938                 -title [mc "git-gui: fatal error"] \
 939                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 940         exit 1
 941 }
 942
 943 proc get_trimmed_version {s} {
 944     set r {}
 945     foreach x [split $s -._] {
 946         if {[string is integer -strict $x]} {
 947             lappend r $x
 948         } else {
 949             break
 950         }
 951     }
 952     return [join $r .]
 953 }
 954 set _real_git_version $_git_version
 955 set _git_version [get_trimmed_version $_git_version]
 956
 957 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 958         catch {wm withdraw .}
 959         if {[tk_messageBox \
 960                 -icon warning \
 961                 -type yesno \
 962                 -default no \
 963                 -title "[appname]: warning" \
 964                  -message [mc "Git version cannot be determined.
 965
 966 %s claims it is version '%s'.
 967
 968 %s requires at least Git 1.5.0 or later.
 969
 970 Assume '%s' is version 1.5.0?
 971 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 972                 set _git_version 1.5.0
 973         } else {
 974                 exit 1
 975         }
 976 }
 977 unset _real_git_version
 978
 979 proc git-version {args} {
 980         global _git_version
 981
 982         switch [llength $args] {
 983         0 {
 984                 return $_git_version
 985         }
 986
 987         2 {
 988                 set op [lindex $args 0]
 989                 set vr [lindex $args 1]
 990                 set cm [package vcompare $_git_version $vr]
 991                 return [expr $cm $op 0]
 992         }
 993
 994         4 {
 995                 set type [lindex $args 0]
 996                 set name [lindex $args 1]
 997                 set parm [lindex $args 2]
 998                 set body [lindex $args 3]
 999
1000                 if {($type ne {proc} && $type ne {method})} {
1001                         error "Invalid arguments to git-version"
1002                 }
1003                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1004                         error "Last arm of $type $name must be default"
1005                 }
1006
1007                 foreach {op vr cb} [lrange $body 0 end-2] {
1008                         if {[git-version $op $vr]} {
1009                                 return [uplevel [list $type $name $parm $cb]]
1010                         }
1011                 }
1012
1013                 return [uplevel [list $type $name $parm [lindex $body end]]]
1014         }
1015
1016         default {
1017                 error "git-version >= x"
1018         }
1019
1020         }
1021 }
1022
1023 if {[git-version < 1.5]} {
1024         catch {wm withdraw .}
1025         tk_messageBox \
1026                 -icon error \
1027                 -type ok \
1028                 -title [mc "git-gui: fatal error"] \
1029                 -message "[appname] requires Git 1.5.0 or later.
1030
1031 You are using [git-version]:
1032
1033 [git --version]"
1034         exit 1
1035 }
1036
1037 ######################################################################
1038 ##
1039 ## configure our library
1040
1041 set idx [file join $oguilib tclIndex]
1042 if {[catch {set fd [open $idx r]} err]} {
1043         catch {wm withdraw .}
1044         tk_messageBox \
1045                 -icon error \
1046                 -type ok \
1047                 -title [mc "git-gui: fatal error"] \
1048                 -message $err
1049         exit 1
1050 }
1051 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1052         set idx [list]
1053         while {[gets $fd n] >= 0} {
1054                 if {$n ne {} && ![string match #* $n]} {
1055                         lappend idx $n
1056                 }
1057         }
1058 } else {
1059         set idx {}
1060 }
1061 close $fd
1062
1063 if {$idx ne {}} {
1064         set loaded [list]
1065         foreach p $idx {
1066                 if {[lsearch -exact $loaded $p] >= 0} continue
1067                 source [file join $oguilib $p]
1068                 lappend loaded $p
1069         }
1070         unset loaded p
1071 } else {
1072         set auto_path [concat [list $oguilib] $auto_path]
1073 }
1074 unset -nocomplain idx fd
1075
1076 ######################################################################
1077 ##
1078 ## config file parsing
1079
1080 git-version proc _parse_config {arr_name args} {
1081         >= 1.5.3 {
1082                 upvar $arr_name arr
1083                 array unset arr
1084                 set buf {}
1085                 catch {
1086                         set fd_rc [eval \
1087                                 [list git_read config] \
1088                                 $args \
1089                                 [list --null --list]]
1090                         fconfigure $fd_rc -translation binary
1091                         set buf [read $fd_rc]
1092                         close $fd_rc
1093                 }
1094                 foreach line [split $buf "\0"] {
1095                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1096                                 if {[is_many_config $name]} {
1097                                         lappend arr($name) $value
1098                                 } else {
1099                                         set arr($name) $value
1100                                 }
1101                         } elseif {[regexp {^([^\n]+)$} $line line name]} {
1102                                 # no value given, but interpreting them as
1103                                 # boolean will be handled as true
1104                                 set arr($name) {}
1105                         }
1106                 }
1107         }
1108         default {
1109                 upvar $arr_name arr
1110                 array unset arr
1111                 catch {
1112                         set fd_rc [eval [list git_read config --list] $args]
1113                         while {[gets $fd_rc line] >= 0} {
1114                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1115                                         if {[is_many_config $name]} {
1116                                                 lappend arr($name) $value
1117                                         } else {
1118                                                 set arr($name) $value
1119                                         }
1120                                 } elseif {[regexp {^([^=]+)$} $line line name]} {
1121                                         # no value given, but interpreting them as
1122                                         # boolean will be handled as true
1123                                         set arr($name) {}
1124                                 }
1125                         }
1126                         close $fd_rc
1127                 }
1128         }
1129 }
1130
1131 proc load_config {include_global} {
1132         global repo_config global_config system_config default_config
1133
1134         if {$include_global} {
1135                 _parse_config system_config --system
1136                 _parse_config global_config --global
1137         }
1138         _parse_config repo_config
1139
1140         foreach name [array names default_config] {
1141                 if {[catch {set v $system_config($name)}]} {
1142                         set system_config($name) $default_config($name)
1143                 }
1144         }
1145         foreach name [array names system_config] {
1146                 if {[catch {set v $global_config($name)}]} {
1147                         set global_config($name) $system_config($name)
1148                 }
1149                 if {[catch {set v $repo_config($name)}]} {
1150                         set repo_config($name) $system_config($name)
1151                 }
1152         }
1153 }
1154
1155 ######################################################################
1156 ##
1157 ## feature option selection
1158
1159 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1160         unset _junk
1161 } else {
1162         set subcommand gui
1163 }
1164 if {$subcommand eq {gui.sh}} {
1165         set subcommand gui
1166 }
1167 if {$subcommand eq {gui} && [llength $argv] > 0} {
1168         set subcommand [lindex $argv 0]
1169         set argv [lrange $argv 1 end]
1170 }
1171
1172 enable_option multicommit
1173 enable_option branch
1174 enable_option transport
1175 disable_option bare
1176
1177 switch -- $subcommand {
1178 browser -
1179 blame {
1180         enable_option bare
1181
1182         disable_option multicommit
1183         disable_option branch
1184         disable_option transport
1185 }
1186 citool {
1187         enable_option singlecommit
1188         enable_option retcode
1189
1190         disable_option multicommit
1191         disable_option branch
1192         disable_option transport
1193
1194         while {[llength $argv] > 0} {
1195                 set a [lindex $argv 0]
1196                 switch -- $a {
1197                 --amend {
1198                         enable_option initialamend
1199                 }
1200                 --nocommit {
1201                         enable_option nocommit
1202                         enable_option nocommitmsg
1203                 }
1204                 --commitmsg {
1205                         disable_option nocommitmsg
1206                 }
1207                 default {
1208                         break
1209                 }
1210                 }
1211
1212                 set argv [lrange $argv 1 end]
1213         }
1214 }
1215 }
1216
1217 ######################################################################
1218 ##
1219 ## execution environment
1220
1221 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1222
1223 # Suggest our implementation of askpass, if none is set
1224 if {![info exists env(SSH_ASKPASS)]} {
1225         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1226 }
1227
1228 ######################################################################
1229 ##
1230 ## repository setup
1231
1232 set picked 0
1233 if {[catch {
1234                 set _gitdir $env(GIT_DIR)
1235                 set _prefix {}
1236                 }]
1237         && [catch {
1238                 # beware that from the .git dir this sets _gitdir to .
1239                 # and _prefix to the empty string
1240                 set _gitdir [git rev-parse --git-dir]
1241                 set _prefix [git rev-parse --show-prefix]
1242         } err]} {
1243         load_config 1
1244         apply_config
1245         choose_repository::pick
1246         set picked 1
1247 }
1248
1249 # we expand the _gitdir when it's just a single dot (i.e. when we're being
1250 # run from the .git dir itself) lest the routines to find the worktree
1251 # get confused
1252 if {$_gitdir eq "."} {
1253         set _gitdir [pwd]
1254 }
1255
1256 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1257         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1258 }
1259 if {![file isdirectory $_gitdir]} {
1260         catch {wm withdraw .}
1261         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1262         exit 1
1263 }
1264 # _gitdir exists, so try loading the config
1265 load_config 0
1266 apply_config
1267
1268 # v1.7.0 introduced --show-toplevel to return the canonical work-tree
1269 if {[package vsatisfies $_git_version 1.7.0]} {
1270         set _gitworktree [git rev-parse --show-toplevel]
1271 } else {
1272         # try to set work tree from environment, core.worktree or use
1273         # cdup to obtain a relative path to the top of the worktree. If
1274         # run from the top, the ./ prefix ensures normalize expands pwd.
1275         if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1276                 set _gitworktree [get_config core.worktree]
1277                 if {$_gitworktree eq ""} {
1278                         set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1279                 }
1280         }
1281 }
1282
1283 if {$_prefix ne {}} {
1284         if {$_gitworktree eq {}} {
1285                 regsub -all {[^/]+/} $_prefix ../ cdup
1286         } else {
1287                 set cdup $_gitworktree
1288         }
1289         if {[catch {cd $cdup} err]} {
1290                 catch {wm withdraw .}
1291                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1292                 exit 1
1293         }
1294         set _gitworktree [pwd]
1295         unset cdup
1296 } elseif {![is_enabled bare]} {
1297         if {[is_bare]} {
1298                 catch {wm withdraw .}
1299                 error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1300                 exit 1
1301         }
1302         if {$_gitworktree eq {}} {
1303                 set _gitworktree [file dirname $_gitdir]
1304         }
1305         if {[catch {cd $_gitworktree} err]} {
1306                 catch {wm withdraw .}
1307                 error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1308                 exit 1
1309         }
1310         set _gitworktree [pwd]
1311 }
1312 set _reponame [file split [file normalize $_gitdir]]
1313 if {[lindex $_reponame end] eq {.git}} {
1314         set _reponame [lindex $_reponame end-1]
1315 } else {
1316         set _reponame [lindex $_reponame end]
1317 }
1318
1319 set env(GIT_DIR) $_gitdir
1320 set env(GIT_WORK_TREE) $_gitworktree
1321
1322 ######################################################################
1323 ##
1324 ## global init
1325
1326 set current_diff_path {}
1327 set current_diff_side {}
1328 set diff_actions [list]
1329
1330 set HEAD {}
1331 set PARENT {}
1332 set MERGE_HEAD [list]
1333 set commit_type {}
1334 set empty_tree {}
1335 set current_branch {}
1336 set is_detached 0
1337 set current_diff_path {}
1338 set is_3way_diff 0
1339 set is_submodule_diff 0
1340 set is_conflict_diff 0
1341 set selected_commit_type new
1342 set diff_empty_count 0
1343
1344 set nullid "0000000000000000000000000000000000000000"
1345 set nullid2 "0000000000000000000000000000000000000001"
1346
1347 ######################################################################
1348 ##
1349 ## task management
1350
1351 set rescan_active 0
1352 set diff_active 0
1353 set last_clicked {}
1354
1355 set disable_on_lock [list]
1356 set index_lock_type none
1357
1358 proc lock_index {type} {
1359         global index_lock_type disable_on_lock
1360
1361         if {$index_lock_type eq {none}} {
1362                 set index_lock_type $type
1363                 foreach w $disable_on_lock {
1364                         uplevel #0 $w disabled
1365                 }
1366                 return 1
1367         } elseif {$index_lock_type eq "begin-$type"} {
1368                 set index_lock_type $type
1369                 return 1
1370         }
1371         return 0
1372 }
1373
1374 proc unlock_index {} {
1375         global index_lock_type disable_on_lock
1376
1377         set index_lock_type none
1378         foreach w $disable_on_lock {
1379                 uplevel #0 $w normal
1380         }
1381 }
1382
1383 ######################################################################
1384 ##
1385 ## status
1386
1387 proc repository_state {ctvar hdvar mhvar} {
1388         global current_branch
1389         upvar $ctvar ct $hdvar hd $mhvar mh
1390
1391         set mh [list]
1392
1393         load_current_branch
1394         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1395                 set hd {}
1396                 set ct initial
1397                 return
1398         }
1399
1400         set merge_head [gitdir MERGE_HEAD]
1401         if {[file exists $merge_head]} {
1402                 set ct merge
1403                 set fd_mh [open $merge_head r]
1404                 while {[gets $fd_mh line] >= 0} {
1405                         lappend mh $line
1406                 }
1407                 close $fd_mh
1408                 return
1409         }
1410
1411         set ct normal
1412 }
1413
1414 proc PARENT {} {
1415         global PARENT empty_tree
1416
1417         set p [lindex $PARENT 0]
1418         if {$p ne {}} {
1419                 return $p
1420         }
1421         if {$empty_tree eq {}} {
1422                 set empty_tree [git mktree << {}]
1423         }
1424         return $empty_tree
1425 }
1426
1427 proc force_amend {} {
1428         global selected_commit_type
1429         global HEAD PARENT MERGE_HEAD commit_type
1430
1431         repository_state newType newHEAD newMERGE_HEAD
1432         set HEAD $newHEAD
1433         set PARENT $newHEAD
1434         set MERGE_HEAD $newMERGE_HEAD
1435         set commit_type $newType
1436
1437         set selected_commit_type amend
1438         do_select_commit_type
1439 }
1440
1441 proc rescan {after {honor_trustmtime 1}} {
1442         global HEAD PARENT MERGE_HEAD commit_type
1443         global ui_index ui_workdir ui_comm
1444         global rescan_active file_states
1445         global repo_config
1446
1447         if {$rescan_active > 0 || ![lock_index read]} return
1448
1449         repository_state newType newHEAD newMERGE_HEAD
1450         if {[string match amend* $commit_type]
1451                 && $newType eq {normal}
1452                 && $newHEAD eq $HEAD} {
1453         } else {
1454                 set HEAD $newHEAD
1455                 set PARENT $newHEAD
1456                 set MERGE_HEAD $newMERGE_HEAD
1457                 set commit_type $newType
1458         }
1459
1460         array unset file_states
1461
1462         if {!$::GITGUI_BCK_exists &&
1463                 (![$ui_comm edit modified]
1464                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1465                 if {[string match amend* $commit_type]} {
1466                 } elseif {[load_message GITGUI_MSG]} {
1467                 } elseif {[run_prepare_commit_msg_hook]} {
1468                 } elseif {[load_message MERGE_MSG]} {
1469                 } elseif {[load_message SQUASH_MSG]} {
1470                 }
1471                 $ui_comm edit reset
1472                 $ui_comm edit modified false
1473         }
1474
1475         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1476                 rescan_stage2 {} $after
1477         } else {
1478                 set rescan_active 1
1479                 ui_status [mc "Refreshing file status..."]
1480                 set fd_rf [git_read update-index \
1481                         -q \
1482                         --unmerged \
1483                         --ignore-missing \
1484                         --refresh \
1485                         ]
1486                 fconfigure $fd_rf -blocking 0 -translation binary
1487                 fileevent $fd_rf readable \
1488                         [list rescan_stage2 $fd_rf $after]
1489         }
1490 }
1491
1492 if {[is_Cygwin]} {
1493         set is_git_info_exclude {}
1494         proc have_info_exclude {} {
1495                 global is_git_info_exclude
1496
1497                 if {$is_git_info_exclude eq {}} {
1498                         if {[catch {exec test -f [gitdir info exclude]}]} {
1499                                 set is_git_info_exclude 0
1500                         } else {
1501                                 set is_git_info_exclude 1
1502                         }
1503                 }
1504                 return $is_git_info_exclude
1505         }
1506 } else {
1507         proc have_info_exclude {} {
1508                 return [file readable [gitdir info exclude]]
1509         }
1510 }
1511
1512 proc rescan_stage2 {fd after} {
1513         global rescan_active buf_rdi buf_rdf buf_rlo
1514
1515         if {$fd ne {}} {
1516                 read $fd
1517                 if {![eof $fd]} return
1518                 close $fd
1519         }
1520
1521         if {[package vsatisfies $::_git_version 1.6.3]} {
1522                 set ls_others [list --exclude-standard]
1523         } else {
1524                 set ls_others [list --exclude-per-directory=.gitignore]
1525                 if {[have_info_exclude]} {
1526                         lappend ls_others "--exclude-from=[gitdir info exclude]"
1527                 }
1528                 set user_exclude [get_config core.excludesfile]
1529                 if {$user_exclude ne {} && [file readable $user_exclude]} {
1530                         lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1531                 }
1532         }
1533
1534         set buf_rdi {}
1535         set buf_rdf {}
1536         set buf_rlo {}
1537
1538         set rescan_active 3
1539         ui_status [mc "Scanning for modified files ..."]
1540         set fd_di [git_read diff-index --cached -z [PARENT]]
1541         set fd_df [git_read diff-files -z]
1542         set fd_lo [eval git_read ls-files --others -z $ls_others]
1543
1544         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1545         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1546         fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1547         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1548         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1549         fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1550 }
1551
1552 proc load_message {file} {
1553         global ui_comm
1554
1555         set f [gitdir $file]
1556         if {[file isfile $f]} {
1557                 if {[catch {set fd [open $f r]}]} {
1558                         return 0
1559                 }
1560                 fconfigure $fd -eofchar {}
1561                 set content [string trim [read $fd]]
1562                 close $fd
1563                 regsub -all -line {[ \r\t]+$} $content {} content
1564                 $ui_comm delete 0.0 end
1565                 $ui_comm insert end $content
1566                 return 1
1567         }
1568         return 0
1569 }
1570
1571 proc run_prepare_commit_msg_hook {} {
1572         global pch_error
1573
1574         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1575         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1576         # empty file but existent file.
1577
1578         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1579
1580         if {[file isfile [gitdir MERGE_MSG]]} {
1581                 set pcm_source "merge"
1582                 set fd_mm [open [gitdir MERGE_MSG] r]
1583                 puts -nonewline $fd_pcm [read $fd_mm]
1584                 close $fd_mm
1585         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1586                 set pcm_source "squash"
1587                 set fd_sm [open [gitdir SQUASH_MSG] r]
1588                 puts -nonewline $fd_pcm [read $fd_sm]
1589                 close $fd_sm
1590         } else {
1591                 set pcm_source ""
1592         }
1593
1594         close $fd_pcm
1595
1596         set fd_ph [githook_read prepare-commit-msg \
1597                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1598         if {$fd_ph eq {}} {
1599                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1600                 return 0;
1601         }
1602
1603         ui_status [mc "Calling prepare-commit-msg hook..."]
1604         set pch_error {}
1605
1606         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1607         fileevent $fd_ph readable \
1608                 [list prepare_commit_msg_hook_wait $fd_ph]
1609
1610         return 1;
1611 }
1612
1613 proc prepare_commit_msg_hook_wait {fd_ph} {
1614         global pch_error
1615
1616         append pch_error [read $fd_ph]
1617         fconfigure $fd_ph -blocking 1
1618         if {[eof $fd_ph]} {
1619                 if {[catch {close $fd_ph}]} {
1620                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1621                         hook_failed_popup prepare-commit-msg $pch_error
1622                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1623                         exit 1
1624                 } else {
1625                         load_message PREPARE_COMMIT_MSG
1626                 }
1627                 set pch_error {}
1628                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1629                 return
1630         }
1631         fconfigure $fd_ph -blocking 0
1632         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1633 }
1634
1635 proc read_diff_index {fd after} {
1636         global buf_rdi
1637
1638         append buf_rdi [read $fd]
1639         set c 0
1640         set n [string length $buf_rdi]
1641         while {$c < $n} {
1642                 set z1 [string first "\0" $buf_rdi $c]
1643                 if {$z1 == -1} break
1644                 incr z1
1645                 set z2 [string first "\0" $buf_rdi $z1]
1646                 if {$z2 == -1} break
1647
1648                 incr c
1649                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1650                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1651                 merge_state \
1652                         [encoding convertfrom $p] \
1653                         [lindex $i 4]? \
1654                         [list [lindex $i 0] [lindex $i 2]] \
1655                         [list]
1656                 set c $z2
1657                 incr c
1658         }
1659         if {$c < $n} {
1660                 set buf_rdi [string range $buf_rdi $c end]
1661         } else {
1662                 set buf_rdi {}
1663         }
1664
1665         rescan_done $fd buf_rdi $after
1666 }
1667
1668 proc read_diff_files {fd after} {
1669         global buf_rdf
1670
1671         append buf_rdf [read $fd]
1672         set c 0
1673         set n [string length $buf_rdf]
1674         while {$c < $n} {
1675                 set z1 [string first "\0" $buf_rdf $c]
1676                 if {$z1 == -1} break
1677                 incr z1
1678                 set z2 [string first "\0" $buf_rdf $z1]
1679                 if {$z2 == -1} break
1680
1681                 incr c
1682                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1683                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1684                 merge_state \
1685                         [encoding convertfrom $p] \
1686                         ?[lindex $i 4] \
1687                         [list] \
1688                         [list [lindex $i 0] [lindex $i 2]]
1689                 set c $z2
1690                 incr c
1691         }
1692         if {$c < $n} {
1693                 set buf_rdf [string range $buf_rdf $c end]
1694         } else {
1695                 set buf_rdf {}
1696         }
1697
1698         rescan_done $fd buf_rdf $after
1699 }
1700
1701 proc read_ls_others {fd after} {
1702         global buf_rlo
1703
1704         append buf_rlo [read $fd]
1705         set pck [split $buf_rlo "\0"]
1706         set buf_rlo [lindex $pck end]
1707         foreach p [lrange $pck 0 end-1] {
1708                 set p [encoding convertfrom $p]
1709                 if {[string index $p end] eq {/}} {
1710                         set p [string range $p 0 end-1]
1711                 }
1712                 merge_state $p ?O
1713         }
1714         rescan_done $fd buf_rlo $after
1715 }
1716
1717 proc rescan_done {fd buf after} {
1718         global rescan_active current_diff_path
1719         global file_states repo_config
1720         upvar $buf to_clear
1721
1722         if {![eof $fd]} return
1723         set to_clear {}
1724         close $fd
1725         if {[incr rescan_active -1] > 0} return
1726
1727         prune_selection
1728         unlock_index
1729         display_all_files
1730         if {$current_diff_path ne {}} { reshow_diff $after }
1731         if {$current_diff_path eq {}} { select_first_diff $after }
1732 }
1733
1734 proc prune_selection {} {
1735         global file_states selected_paths
1736
1737         foreach path [array names selected_paths] {
1738                 if {[catch {set still_here $file_states($path)}]} {
1739                         unset selected_paths($path)
1740                 }
1741         }
1742 }
1743
1744 ######################################################################
1745 ##
1746 ## ui helpers
1747
1748 proc mapicon {w state path} {
1749         global all_icons
1750
1751         if {[catch {set r $all_icons($state$w)}]} {
1752                 puts "error: no icon for $w state={$state} $path"
1753                 return file_plain
1754         }
1755         return $r
1756 }
1757
1758 proc mapdesc {state path} {
1759         global all_descs
1760
1761         if {[catch {set r $all_descs($state)}]} {
1762                 puts "error: no desc for state={$state} $path"
1763                 return $state
1764         }
1765         return $r
1766 }
1767
1768 proc ui_status {msg} {
1769         global main_status
1770         if {[info exists main_status]} {
1771                 $main_status show $msg
1772         }
1773 }
1774
1775 proc ui_ready {{test {}}} {
1776         global main_status
1777         if {[info exists main_status]} {
1778                 $main_status show [mc "Ready."] $test
1779         }
1780 }
1781
1782 proc escape_path {path} {
1783         regsub -all {\\} $path "\\\\" path
1784         regsub -all "\n" $path "\\n" path
1785         return $path
1786 }
1787
1788 proc short_path {path} {
1789         return [escape_path [lindex [file split $path] end]]
1790 }
1791
1792 set next_icon_id 0
1793 set null_sha1 [string repeat 0 40]
1794
1795 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1796         global file_states next_icon_id null_sha1
1797
1798         set s0 [string index $new_state 0]
1799         set s1 [string index $new_state 1]
1800
1801         if {[catch {set info $file_states($path)}]} {
1802                 set state __
1803                 set icon n[incr next_icon_id]
1804         } else {
1805                 set state [lindex $info 0]
1806                 set icon [lindex $info 1]
1807                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1808                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1809         }
1810
1811         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1812         elseif {$s0 eq {_}} {set s0 _}
1813
1814         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1815         elseif {$s1 eq {_}} {set s1 _}
1816
1817         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1818                 set head_info [list 0 $null_sha1]
1819         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1820                 && $head_info eq {}} {
1821                 set head_info $index_info
1822         } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1823                 set index_info $head_info
1824                 set head_info {}
1825         }
1826
1827         set file_states($path) [list $s0$s1 $icon \
1828                 $head_info $index_info \
1829                 ]
1830         return $state
1831 }
1832
1833 proc display_file_helper {w path icon_name old_m new_m} {
1834         global file_lists
1835
1836         if {$new_m eq {_}} {
1837                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1838                 if {$lno >= 0} {
1839                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1840                         incr lno
1841                         $w conf -state normal
1842                         $w delete $lno.0 [expr {$lno + 1}].0
1843                         $w conf -state disabled
1844                 }
1845         } elseif {$old_m eq {_} && $new_m ne {_}} {
1846                 lappend file_lists($w) $path
1847                 set file_lists($w) [lsort -unique $file_lists($w)]
1848                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1849                 incr lno
1850                 $w conf -state normal
1851                 $w image create $lno.0 \
1852                         -align center -padx 5 -pady 1 \
1853                         -name $icon_name \
1854                         -image [mapicon $w $new_m $path]
1855                 $w insert $lno.1 "[escape_path $path]\n"
1856                 $w conf -state disabled
1857         } elseif {$old_m ne $new_m} {
1858                 $w conf -state normal
1859                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1860                 $w conf -state disabled
1861         }
1862 }
1863
1864 proc display_file {path state} {
1865         global file_states selected_paths
1866         global ui_index ui_workdir
1867
1868         set old_m [merge_state $path $state]
1869         set s $file_states($path)
1870         set new_m [lindex $s 0]
1871         set icon_name [lindex $s 1]
1872
1873         set o [string index $old_m 0]
1874         set n [string index $new_m 0]
1875         if {$o eq {U}} {
1876                 set o _
1877         }
1878         if {$n eq {U}} {
1879                 set n _
1880         }
1881         display_file_helper     $ui_index $path $icon_name $o $n
1882
1883         if {[string index $old_m 0] eq {U}} {
1884                 set o U
1885         } else {
1886                 set o [string index $old_m 1]
1887         }
1888         if {[string index $new_m 0] eq {U}} {
1889                 set n U
1890         } else {
1891                 set n [string index $new_m 1]
1892         }
1893         display_file_helper     $ui_workdir $path $icon_name $o $n
1894
1895         if {$new_m eq {__}} {
1896                 unset file_states($path)
1897                 catch {unset selected_paths($path)}
1898         }
1899 }
1900
1901 proc display_all_files_helper {w path icon_name m} {
1902         global file_lists
1903
1904         lappend file_lists($w) $path
1905         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1906         $w image create end \
1907                 -align center -padx 5 -pady 1 \
1908                 -name $icon_name \
1909                 -image [mapicon $w $m $path]
1910         $w insert end "[escape_path $path]\n"
1911 }
1912
1913 set files_warning 0
1914 proc display_all_files {} {
1915         global ui_index ui_workdir
1916         global file_states file_lists
1917         global last_clicked
1918         global files_warning
1919
1920         $ui_index conf -state normal
1921         $ui_workdir conf -state normal
1922
1923         $ui_index delete 0.0 end
1924         $ui_workdir delete 0.0 end
1925         set last_clicked {}
1926
1927         set file_lists($ui_index) [list]
1928         set file_lists($ui_workdir) [list]
1929
1930         set to_display [lsort [array names file_states]]
1931         set display_limit [get_config gui.maxfilesdisplayed]
1932         if {[llength $to_display] > $display_limit} {
1933                 if {!$files_warning} {
1934                         # do not repeatedly warn:
1935                         set files_warning 1
1936                         info_popup [mc "Displaying only %s of %s files." \
1937                                 $display_limit [llength $to_display]]
1938                 }
1939                 set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1940         }
1941         foreach path $to_display {
1942                 set s $file_states($path)
1943                 set m [lindex $s 0]
1944                 set icon_name [lindex $s 1]
1945
1946                 set s [string index $m 0]
1947                 if {$s ne {U} && $s ne {_}} {
1948                         display_all_files_helper $ui_index $path \
1949                                 $icon_name $s
1950                 }
1951
1952                 if {[string index $m 0] eq {U}} {
1953                         set s U
1954                 } else {
1955                         set s [string index $m 1]
1956                 }
1957                 if {$s ne {_}} {
1958                         display_all_files_helper $ui_workdir $path \
1959                                 $icon_name $s
1960                 }
1961         }
1962
1963         $ui_index conf -state disabled
1964         $ui_workdir conf -state disabled
1965 }
1966
1967 ######################################################################
1968 ##
1969 ## icons
1970
1971 set filemask {
1972 #define mask_width 14
1973 #define mask_height 15
1974 static unsigned char mask_bits[] = {
1975    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1976    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1977    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1978 }
1979
1980 image create bitmap file_plain -background white -foreground black -data {
1981 #define plain_width 14
1982 #define plain_height 15
1983 static unsigned char plain_bits[] = {
1984    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1985    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1986    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1987 } -maskdata $filemask
1988
1989 image create bitmap file_mod -background white -foreground blue -data {
1990 #define mod_width 14
1991 #define mod_height 15
1992 static unsigned char mod_bits[] = {
1993    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1994    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1995    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1996 } -maskdata $filemask
1997
1998 image create bitmap file_fulltick -background white -foreground "#007000" -data {
1999 #define file_fulltick_width 14
2000 #define file_fulltick_height 15
2001 static unsigned char file_fulltick_bits[] = {
2002    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2003    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2004    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2005 } -maskdata $filemask
2006
2007 image create bitmap file_question -background white -foreground black -data {
2008 #define file_question_width 14
2009 #define file_question_height 15
2010 static unsigned char file_question_bits[] = {
2011    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2012    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2013    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2014 } -maskdata $filemask
2015
2016 image create bitmap file_removed -background white -foreground red -data {
2017 #define file_removed_width 14
2018 #define file_removed_height 15
2019 static unsigned char file_removed_bits[] = {
2020    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2021    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2022    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2023 } -maskdata $filemask
2024
2025 image create bitmap file_merge -background white -foreground blue -data {
2026 #define file_merge_width 14
2027 #define file_merge_height 15
2028 static unsigned char file_merge_bits[] = {
2029    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2030    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2031    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2032 } -maskdata $filemask
2033
2034 image create bitmap file_statechange -background white -foreground green -data {
2035 #define file_statechange_width 14
2036 #define file_statechange_height 15
2037 static unsigned char file_statechange_bits[] = {
2038    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2039    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2040    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2041 } -maskdata $filemask
2042
2043 set ui_index .vpane.files.index.list
2044 set ui_workdir .vpane.files.workdir.list
2045
2046 set all_icons(_$ui_index)   file_plain
2047 set all_icons(A$ui_index)   file_plain
2048 set all_icons(M$ui_index)   file_fulltick
2049 set all_icons(D$ui_index)   file_removed
2050 set all_icons(U$ui_index)   file_merge
2051 set all_icons(T$ui_index)   file_statechange
2052
2053 set all_icons(_$ui_workdir) file_plain
2054 set all_icons(M$ui_workdir) file_mod
2055 set all_icons(D$ui_workdir) file_question
2056 set all_icons(U$ui_workdir) file_merge
2057 set all_icons(O$ui_workdir) file_plain
2058 set all_icons(T$ui_workdir) file_statechange
2059
2060 set max_status_desc 0
2061 foreach i {
2062                 {__ {mc "Unmodified"}}
2063
2064                 {_M {mc "Modified, not staged"}}
2065                 {M_ {mc "Staged for commit"}}
2066                 {MM {mc "Portions staged for commit"}}
2067                 {MD {mc "Staged for commit, missing"}}
2068
2069                 {_T {mc "File type changed, not staged"}}
2070                 {MT {mc "File type changed, old type staged for commit"}}
2071                 {AT {mc "File type changed, old type staged for commit"}}
2072                 {T_ {mc "File type changed, staged"}}
2073                 {TM {mc "File type change staged, modification not staged"}}
2074                 {TD {mc "File type change staged, file missing"}}
2075
2076                 {_O {mc "Untracked, not staged"}}
2077                 {A_ {mc "Staged for commit"}}
2078                 {AM {mc "Portions staged for commit"}}
2079                 {AD {mc "Staged for commit, missing"}}
2080
2081                 {_D {mc "Missing"}}
2082                 {D_ {mc "Staged for removal"}}
2083                 {DO {mc "Staged for removal, still present"}}
2084
2085                 {_U {mc "Requires merge resolution"}}
2086                 {U_ {mc "Requires merge resolution"}}
2087                 {UU {mc "Requires merge resolution"}}
2088                 {UM {mc "Requires merge resolution"}}
2089                 {UD {mc "Requires merge resolution"}}
2090                 {UT {mc "Requires merge resolution"}}
2091         } {
2092         set text [eval [lindex $i 1]]
2093         if {$max_status_desc < [string length $text]} {
2094                 set max_status_desc [string length $text]
2095         }
2096         set all_descs([lindex $i 0]) $text
2097 }
2098 unset i
2099
2100 ######################################################################
2101 ##
2102 ## util
2103
2104 proc scrollbar2many {list mode args} {
2105         foreach w $list {eval $w $mode $args}
2106 }
2107
2108 proc many2scrollbar {list mode sb top bottom} {
2109         $sb set $top $bottom
2110         foreach w $list {$w $mode moveto $top}
2111 }
2112
2113 proc incr_font_size {font {amt 1}} {
2114         set sz [font configure $font -size]
2115         incr sz $amt
2116         font configure $font -size $sz
2117         font configure ${font}bold -size $sz
2118         font configure ${font}italic -size $sz
2119 }
2120
2121 ######################################################################
2122 ##
2123 ## ui commands
2124
2125 set starting_gitk_msg [mc "Starting gitk... please wait..."]
2126
2127 proc do_gitk {revs {is_submodule false}} {
2128         global current_diff_path file_states current_diff_side ui_index
2129         global _gitdir _gitworktree
2130
2131         # -- Always start gitk through whatever we were loaded with.  This
2132         #    lets us bypass using shell process on Windows systems.
2133         #
2134         set exe [_which gitk -script]
2135         set cmd [list [info nameofexecutable] $exe]
2136         if {$exe eq {}} {
2137                 error_popup [mc "Couldn't find gitk in PATH"]
2138         } else {
2139                 global env
2140
2141                 set pwd [pwd]
2142
2143                 if {!$is_submodule} {
2144                         if {![is_bare]} {
2145                                 cd $_gitworktree
2146                         }
2147                 } else {
2148                         cd $current_diff_path
2149                         if {$revs eq {--}} {
2150                                 set s $file_states($current_diff_path)
2151                                 set old_sha1 {}
2152                                 set new_sha1 {}
2153                                 switch -glob -- [lindex $s 0] {
2154                                 M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2155                                 _M { set old_sha1 [lindex [lindex $s 3] 1] }
2156                                 MM {
2157                                         if {$current_diff_side eq $ui_index} {
2158                                                 set old_sha1 [lindex [lindex $s 2] 1]
2159                                                 set new_sha1 [lindex [lindex $s 3] 1]
2160                                         } else {
2161                                                 set old_sha1 [lindex [lindex $s 3] 1]
2162                                         }
2163                                 }
2164                                 }
2165                                 set revs $old_sha1...$new_sha1
2166                         }
2167                         # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2168                         # we've been using for the main repository, so unset them.
2169                         # TODO we could make life easier (start up faster?) for gitk
2170                         # by setting these to the appropriate values to allow gitk
2171                         # to skip the heuristics to find their proper value
2172                         unset env(GIT_DIR)
2173                         unset env(GIT_WORK_TREE)
2174                 }
2175                 eval exec $cmd $revs "--" "--" &
2176
2177                 set env(GIT_DIR) $_gitdir
2178                 set env(GIT_WORK_TREE) $_gitworktree
2179                 cd $pwd
2180
2181                 ui_status $::starting_gitk_msg
2182                 after 10000 {
2183                         ui_ready $starting_gitk_msg
2184                 }
2185         }
2186 }
2187
2188 proc do_git_gui {} {
2189         global current_diff_path
2190
2191         # -- Always start git gui through whatever we were loaded with.  This
2192         #    lets us bypass using shell process on Windows systems.
2193         #
2194         set exe [list [_which git]]
2195         if {$exe eq {}} {
2196                 error_popup [mc "Couldn't find git gui in PATH"]
2197         } else {
2198                 global env
2199                 global _gitdir _gitworktree
2200
2201                 # see note in do_gitk about unsetting these vars when
2202                 # running tools in a submodule
2203                 unset env(GIT_DIR)
2204                 unset env(GIT_WORK_TREE)
2205
2206                 set pwd [pwd]
2207                 cd $current_diff_path
2208
2209                 eval exec $exe gui &
2210
2211                 set env(GIT_DIR) $_gitdir
2212                 set env(GIT_WORK_TREE) $_gitworktree
2213                 cd $pwd
2214
2215                 ui_status $::starting_gitk_msg
2216                 after 10000 {
2217                         ui_ready $starting_gitk_msg
2218                 }
2219         }
2220 }
2221
2222 proc do_explore {} {
2223         global _gitworktree
2224         set explorer {}
2225         if {[is_Cygwin] || [is_Windows]} {
2226                 set explorer "explorer.exe"
2227         } elseif {[is_MacOSX]} {
2228                 set explorer "open"
2229         } else {
2230                 # freedesktop.org-conforming system is our best shot
2231                 set explorer "xdg-open"
2232         }
2233         eval exec $explorer [list [file nativename $_gitworktree]] &
2234 }
2235
2236 set is_quitting 0
2237 set ret_code    1
2238
2239 proc terminate_me {win} {
2240         global ret_code
2241         if {$win ne {.}} return
2242         exit $ret_code
2243 }
2244
2245 proc do_quit {{rc {1}}} {
2246         global ui_comm is_quitting repo_config commit_type
2247         global GITGUI_BCK_exists GITGUI_BCK_i
2248         global ui_comm_spell
2249         global ret_code use_ttk
2250
2251         if {$is_quitting} return
2252         set is_quitting 1
2253
2254         if {[winfo exists $ui_comm]} {
2255                 # -- Stash our current commit buffer.
2256                 #
2257                 set save [gitdir GITGUI_MSG]
2258                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2259                         file rename -force [gitdir GITGUI_BCK] $save
2260                         set GITGUI_BCK_exists 0
2261                 } else {
2262                         set msg [string trim [$ui_comm get 0.0 end]]
2263                         regsub -all -line {[ \r\t]+$} $msg {} msg
2264                         if {(![string match amend* $commit_type]
2265                                 || [$ui_comm edit modified])
2266                                 && $msg ne {}} {
2267                                 catch {
2268                                         set fd [open $save w]
2269                                         puts -nonewline $fd $msg
2270                                         close $fd
2271                                 }
2272                         } else {
2273                                 catch {file delete $save}
2274                         }
2275                 }
2276
2277                 # -- Cancel our spellchecker if its running.
2278                 #
2279                 if {[info exists ui_comm_spell]} {
2280                         $ui_comm_spell stop
2281                 }
2282
2283                 # -- Remove our editor backup, its not needed.
2284                 #
2285                 after cancel $GITGUI_BCK_i
2286                 if {$GITGUI_BCK_exists} {
2287                         catch {file delete [gitdir GITGUI_BCK]}
2288                 }
2289
2290                 # -- Stash our current window geometry into this repository.
2291                 #
2292                 set cfg_wmstate [wm state .]
2293                 if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2294                         set rc_wmstate {}
2295                 }
2296                 if {$cfg_wmstate ne $rc_wmstate} {
2297                         catch {git config gui.wmstate $cfg_wmstate}
2298                 }
2299                 if {$cfg_wmstate eq {zoomed}} {
2300                         # on Windows wm geometry will lie about window
2301                         # position (but not size) when window is zoomed
2302                         # restore the window before querying wm geometry
2303                         wm state . normal
2304                 }
2305                 set cfg_geometry [list]
2306                 lappend cfg_geometry [wm geometry .]
2307                 if {$use_ttk} {
2308                         lappend cfg_geometry [.vpane sashpos 0]
2309                         lappend cfg_geometry [.vpane.files sashpos 0]
2310                 } else {
2311                         lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2312                         lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2313                 }
2314                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2315                         set rc_geometry {}
2316                 }
2317                 if {$cfg_geometry ne $rc_geometry} {
2318                         catch {git config gui.geometry $cfg_geometry}
2319                 }
2320         }
2321
2322         set ret_code $rc
2323
2324         # Briefly enable send again, working around Tk bug
2325         # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2326         tk appname [appname]
2327
2328         destroy .
2329 }
2330
2331 proc do_rescan {} {
2332         rescan ui_ready
2333 }
2334
2335 proc ui_do_rescan {} {
2336         rescan {force_first_diff ui_ready}
2337 }
2338
2339 proc do_commit {} {
2340         commit_tree
2341 }
2342
2343 proc next_diff {{after {}}} {
2344         global next_diff_p next_diff_w next_diff_i
2345         show_diff $next_diff_p $next_diff_w {} {} $after
2346 }
2347
2348 proc find_anchor_pos {lst name} {
2349         set lid [lsearch -sorted -exact $lst $name]
2350
2351         if {$lid == -1} {
2352                 set lid 0
2353                 foreach lname $lst {
2354                         if {$lname >= $name} break
2355                         incr lid
2356                 }
2357         }
2358
2359         return $lid
2360 }
2361
2362 proc find_file_from {flist idx delta path mmask} {
2363         global file_states
2364
2365         set len [llength $flist]
2366         while {$idx >= 0 && $idx < $len} {
2367                 set name [lindex $flist $idx]
2368
2369                 if {$name ne $path && [info exists file_states($name)]} {
2370                         set state [lindex $file_states($name) 0]
2371
2372                         if {$mmask eq {} || [regexp $mmask $state]} {
2373                                 return $idx
2374                         }
2375                 }
2376
2377                 incr idx $delta
2378         }
2379
2380         return {}
2381 }
2382
2383 proc find_next_diff {w path {lno {}} {mmask {}}} {
2384         global next_diff_p next_diff_w next_diff_i
2385         global file_lists ui_index ui_workdir
2386
2387         set flist $file_lists($w)
2388         if {$lno eq {}} {
2389                 set lno [find_anchor_pos $flist $path]
2390         } else {
2391                 incr lno -1
2392         }
2393
2394         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2395                 if {$w eq $ui_index} {
2396                         set mmask "^$mmask"
2397                 } else {
2398                         set mmask "$mmask\$"
2399                 }
2400         }
2401
2402         set idx [find_file_from $flist $lno 1 $path $mmask]
2403         if {$idx eq {}} {
2404                 incr lno -1
2405                 set idx [find_file_from $flist $lno -1 $path $mmask]
2406         }
2407
2408         if {$idx ne {}} {
2409                 set next_diff_w $w
2410                 set next_diff_p [lindex $flist $idx]
2411                 set next_diff_i [expr {$idx+1}]
2412                 return 1
2413         } else {
2414                 return 0
2415         }
2416 }
2417
2418 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2419         global current_diff_path
2420
2421         if {$path ne $current_diff_path} {
2422                 return {}
2423         } elseif {[find_next_diff $w $path $lno $mmask]} {
2424                 return {next_diff;}
2425         } else {
2426                 return {reshow_diff;}
2427         }
2428 }
2429
2430 proc select_first_diff {after} {
2431         global ui_workdir
2432
2433         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2434             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2435                 next_diff $after
2436         } else {
2437                 uplevel #0 $after
2438         }
2439 }
2440
2441 proc force_first_diff {after} {
2442         global ui_workdir current_diff_path file_states
2443
2444         if {[info exists file_states($current_diff_path)]} {
2445                 set state [lindex $file_states($current_diff_path) 0]
2446         } else {
2447                 set state {OO}
2448         }
2449
2450         set reselect 0
2451         if {[string first {U} $state] >= 0} {
2452                 # Already a conflict, do nothing
2453         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2454                 set reselect 1
2455         } elseif {[string index $state 1] ne {O}} {
2456                 # Already a diff & no conflicts, do nothing
2457         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2458                 set reselect 1
2459         }
2460
2461         if {$reselect} {
2462                 next_diff $after
2463         } else {
2464                 uplevel #0 $after
2465         }
2466 }
2467
2468 proc toggle_or_diff {w x y} {
2469         global file_states file_lists current_diff_path ui_index ui_workdir
2470         global last_clicked selected_paths
2471
2472         set pos [split [$w index @$x,$y] .]
2473         set lno [lindex $pos 0]
2474         set col [lindex $pos 1]
2475         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2476         if {$path eq {}} {
2477                 set last_clicked {}
2478                 return
2479         }
2480
2481         set last_clicked [list $w $lno]
2482         array unset selected_paths
2483         $ui_index tag remove in_sel 0.0 end
2484         $ui_workdir tag remove in_sel 0.0 end
2485
2486         # Determine the state of the file
2487         if {[info exists file_states($path)]} {
2488                 set state [lindex $file_states($path) 0]
2489         } else {
2490                 set state {__}
2491         }
2492
2493         # Restage the file, or simply show the diff
2494         if {$col == 0 && $y > 1} {
2495                 # Conflicts need special handling
2496                 if {[string first {U} $state] >= 0} {
2497                         # $w must always be $ui_workdir, but...
2498                         if {$w ne $ui_workdir} { set lno {} }
2499                         merge_stage_workdir $path $lno
2500                         return
2501                 }
2502
2503                 if {[string index $state 1] eq {O}} {
2504                         set mmask {}
2505                 } else {
2506                         set mmask {[^O]}
2507                 }
2508
2509                 set after [next_diff_after_action $w $path $lno $mmask]
2510
2511                 if {$w eq $ui_index} {
2512                         update_indexinfo \
2513                                 "Unstaging [short_path $path] from commit" \
2514                                 [list $path] \
2515                                 [concat $after [list ui_ready]]
2516                 } elseif {$w eq $ui_workdir} {
2517                         update_index \
2518                                 "Adding [short_path $path]" \
2519                                 [list $path] \
2520                                 [concat $after [list ui_ready]]
2521                 }
2522         } else {
2523                 set selected_paths($path) 1
2524                 show_diff $path $w $lno
2525         }
2526 }
2527
2528 proc add_one_to_selection {w x y} {
2529         global file_lists last_clicked selected_paths
2530
2531         set lno [lindex [split [$w index @$x,$y] .] 0]
2532         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2533         if {$path eq {}} {
2534                 set last_clicked {}
2535                 return
2536         }
2537
2538         if {$last_clicked ne {}
2539                 && [lindex $last_clicked 0] ne $w} {
2540                 array unset selected_paths
2541                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2542         }
2543
2544         set last_clicked [list $w $lno]
2545         if {[catch {set in_sel $selected_paths($path)}]} {
2546                 set in_sel 0
2547         }
2548         if {$in_sel} {
2549                 unset selected_paths($path)
2550                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2551         } else {
2552                 set selected_paths($path) 1
2553                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2554         }
2555 }
2556
2557 proc add_range_to_selection {w x y} {
2558         global file_lists last_clicked selected_paths
2559
2560         if {[lindex $last_clicked 0] ne $w} {
2561                 toggle_or_diff $w $x $y
2562                 return
2563         }
2564
2565         set lno [lindex [split [$w index @$x,$y] .] 0]
2566         set lc [lindex $last_clicked 1]
2567         if {$lc < $lno} {
2568                 set begin $lc
2569                 set end $lno
2570         } else {
2571                 set begin $lno
2572                 set end $lc
2573         }
2574
2575         foreach path [lrange $file_lists($w) \
2576                 [expr {$begin - 1}] \
2577                 [expr {$end - 1}]] {
2578                 set selected_paths($path) 1
2579         }
2580         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2581 }
2582
2583 proc show_more_context {} {
2584         global repo_config
2585         if {$repo_config(gui.diffcontext) < 99} {
2586                 incr repo_config(gui.diffcontext)
2587                 reshow_diff
2588         }
2589 }
2590
2591 proc show_less_context {} {
2592         global repo_config
2593         if {$repo_config(gui.diffcontext) > 1} {
2594                 incr repo_config(gui.diffcontext) -1
2595                 reshow_diff
2596         }
2597 }
2598
2599 ######################################################################
2600 ##
2601 ## ui construction
2602
2603 set ui_comm {}
2604
2605 # -- Menu Bar
2606 #
2607 menu .mbar -tearoff 0
2608 if {[is_MacOSX]} {
2609         # -- Apple Menu (Mac OS X only)
2610         #
2611         .mbar add cascade -label Apple -menu .mbar.apple
2612         menu .mbar.apple
2613 }
2614 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2615 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2616 if {[is_enabled branch]} {
2617         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2618 }
2619 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2620         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2621 }
2622 if {[is_enabled transport]} {
2623         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2624         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2625 }
2626 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2627         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2628 }
2629
2630 # -- Repository Menu
2631 #
2632 menu .mbar.repository
2633
2634 if {![is_bare]} {
2635         .mbar.repository add command \
2636                 -label [mc "Explore Working Copy"] \
2637                 -command {do_explore}
2638         .mbar.repository add separator
2639 }
2640
2641 .mbar.repository add command \
2642         -label [mc "Browse Current Branch's Files"] \
2643         -command {browser::new $current_branch}
2644 set ui_browse_current [.mbar.repository index last]
2645 .mbar.repository add command \
2646         -label [mc "Browse Branch Files..."] \
2647         -command browser_open::dialog
2648 .mbar.repository add separator
2649
2650 .mbar.repository add command \
2651         -label [mc "Visualize Current Branch's History"] \
2652         -command {do_gitk $current_branch}
2653 set ui_visualize_current [.mbar.repository index last]
2654 .mbar.repository add command \
2655         -label [mc "Visualize All Branch History"] \
2656         -command {do_gitk --all}
2657 .mbar.repository add separator
2658
2659 proc current_branch_write {args} {
2660         global current_branch
2661         .mbar.repository entryconf $::ui_browse_current \
2662                 -label [mc "Browse %s's Files" $current_branch]
2663         .mbar.repository entryconf $::ui_visualize_current \
2664                 -label [mc "Visualize %s's History" $current_branch]
2665 }
2666 trace add variable current_branch write current_branch_write
2667
2668 if {[is_enabled multicommit]} {
2669         .mbar.repository add command -label [mc "Database Statistics"] \
2670                 -command do_stats
2671
2672         .mbar.repository add command -label [mc "Compress Database"] \
2673                 -command do_gc
2674
2675         .mbar.repository add command -label [mc "Verify Database"] \
2676                 -command do_fsck_objects
2677
2678         .mbar.repository add separator
2679
2680         if {[is_Cygwin]} {
2681                 .mbar.repository add command \
2682                         -label [mc "Create Desktop Icon"] \
2683                         -command do_cygwin_shortcut
2684         } elseif {[is_Windows]} {
2685                 .mbar.repository add command \
2686                         -label [mc "Create Desktop Icon"] \
2687                         -command do_windows_shortcut
2688         } elseif {[is_MacOSX]} {
2689                 .mbar.repository add command \
2690                         -label [mc "Create Desktop Icon"] \
2691                         -command do_macosx_app
2692         }
2693 }
2694
2695 if {[is_MacOSX]} {
2696         proc ::tk::mac::Quit {args} { do_quit }
2697 } else {
2698         .mbar.repository add command -label [mc Quit] \
2699                 -command do_quit \
2700                 -accelerator $M1T-Q
2701 }
2702
2703 # -- Edit Menu
2704 #
2705 menu .mbar.edit
2706 .mbar.edit add command -label [mc Undo] \
2707         -command {catch {[focus] edit undo}} \
2708         -accelerator $M1T-Z
2709 .mbar.edit add command -label [mc Redo] \
2710         -command {catch {[focus] edit redo}} \
2711         -accelerator $M1T-Y
2712 .mbar.edit add separator
2713 .mbar.edit add command -label [mc Cut] \
2714         -command {catch {tk_textCut [focus]}} \
2715         -accelerator $M1T-X
2716 .mbar.edit add command -label [mc Copy] \
2717         -command {catch {tk_textCopy [focus]}} \
2718         -accelerator $M1T-C
2719 .mbar.edit add command -label [mc Paste] \
2720         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2721         -accelerator $M1T-V
2722 .mbar.edit add command -label [mc Delete] \
2723         -command {catch {[focus] delete sel.first sel.last}} \
2724         -accelerator Del
2725 .mbar.edit add separator
2726 .mbar.edit add command -label [mc "Select All"] \
2727         -command {catch {[focus] tag add sel 0.0 end}} \
2728         -accelerator $M1T-A
2729
2730 # -- Branch Menu
2731 #
2732 if {[is_enabled branch]} {
2733         menu .mbar.branch
2734
2735         .mbar.branch add command -label [mc "Create..."] \
2736                 -command branch_create::dialog \
2737                 -accelerator $M1T-N
2738         lappend disable_on_lock [list .mbar.branch entryconf \
2739                 [.mbar.branch index last] -state]
2740
2741         .mbar.branch add command -label [mc "Checkout..."] \
2742                 -command branch_checkout::dialog \
2743                 -accelerator $M1T-O
2744         lappend disable_on_lock [list .mbar.branch entryconf \
2745                 [.mbar.branch index last] -state]
2746
2747         .mbar.branch add command -label [mc "Rename..."] \
2748                 -command branch_rename::dialog
2749         lappend disable_on_lock [list .mbar.branch entryconf \
2750                 [.mbar.branch index last] -state]
2751
2752         .mbar.branch add command -label [mc "Delete..."] \
2753                 -command branch_delete::dialog
2754         lappend disable_on_lock [list .mbar.branch entryconf \
2755                 [.mbar.branch index last] -state]
2756
2757         .mbar.branch add command -label [mc "Reset..."] \
2758                 -command merge::reset_hard
2759         lappend disable_on_lock [list .mbar.branch entryconf \
2760                 [.mbar.branch index last] -state]
2761 }
2762
2763 # -- Commit Menu
2764 #
2765 proc commit_btn_caption {} {
2766         if {[is_enabled nocommit]} {
2767                 return [mc "Done"]
2768         } else {
2769                 return [mc Commit@@verb]
2770         }
2771 }
2772
2773 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2774         menu .mbar.commit
2775
2776         if {![is_enabled nocommit]} {
2777                 .mbar.commit add radiobutton \
2778                         -label [mc "New Commit"] \
2779                         -command do_select_commit_type \
2780                         -variable selected_commit_type \
2781                         -value new
2782                 lappend disable_on_lock \
2783                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2784
2785                 .mbar.commit add radiobutton \
2786                         -label [mc "Amend Last Commit"] \
2787                         -command do_select_commit_type \
2788                         -variable selected_commit_type \
2789                         -value amend
2790                 lappend disable_on_lock \
2791                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2792
2793                 .mbar.commit add separator
2794         }
2795
2796         .mbar.commit add command -label [mc Rescan] \
2797                 -command ui_do_rescan \
2798                 -accelerator F5
2799         lappend disable_on_lock \
2800                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2801
2802         .mbar.commit add command -label [mc "Stage To Commit"] \
2803                 -command do_add_selection \
2804                 -accelerator $M1T-T
2805         lappend disable_on_lock \
2806                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2807
2808         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2809                 -command do_add_all \
2810                 -accelerator $M1T-I
2811         lappend disable_on_lock \
2812                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2813
2814         .mbar.commit add command -label [mc "Unstage From Commit"] \
2815                 -command do_unstage_selection \
2816                 -accelerator $M1T-U
2817         lappend disable_on_lock \
2818                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2819
2820         .mbar.commit add command -label [mc "Revert Changes"] \
2821                 -command do_revert_selection \
2822                 -accelerator $M1T-J
2823         lappend disable_on_lock \
2824                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2825
2826         .mbar.commit add separator
2827
2828         .mbar.commit add command -label [mc "Show Less Context"] \
2829                 -command show_less_context \
2830                 -accelerator $M1T-\-
2831
2832         .mbar.commit add command -label [mc "Show More Context"] \
2833                 -command show_more_context \
2834                 -accelerator $M1T-=
2835
2836         .mbar.commit add separator
2837
2838         if {![is_enabled nocommitmsg]} {
2839                 .mbar.commit add command -label [mc "Sign Off"] \
2840                         -command do_signoff \
2841                         -accelerator $M1T-S
2842         }
2843
2844         .mbar.commit add command -label [commit_btn_caption] \
2845                 -command do_commit \
2846                 -accelerator $M1T-Return
2847         lappend disable_on_lock \
2848                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2849 }
2850
2851 # -- Merge Menu
2852 #
2853 if {[is_enabled branch]} {
2854         menu .mbar.merge
2855         .mbar.merge add command -label [mc "Local Merge..."] \
2856                 -command merge::dialog \
2857                 -accelerator $M1T-M
2858         lappend disable_on_lock \
2859                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2860         .mbar.merge add command -label [mc "Abort Merge..."] \
2861                 -command merge::reset_hard
2862         lappend disable_on_lock \
2863                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2864 }
2865
2866 # -- Transport Menu
2867 #
2868 if {[is_enabled transport]} {
2869         menu .mbar.remote
2870
2871         .mbar.remote add command \
2872                 -label [mc "Add..."] \
2873                 -command remote_add::dialog \
2874                 -accelerator $M1T-A
2875         .mbar.remote add command \
2876                 -label [mc "Push..."] \
2877                 -command do_push_anywhere \
2878                 -accelerator $M1T-P
2879         .mbar.remote add command \
2880                 -label [mc "Delete Branch..."] \
2881                 -command remote_branch_delete::dialog
2882 }
2883
2884 if {[is_MacOSX]} {
2885         proc ::tk::mac::ShowPreferences {} {do_options}
2886 } else {
2887         # -- Edit Menu
2888         #
2889         .mbar.edit add separator
2890         .mbar.edit add command -label [mc "Options..."] \
2891                 -command do_options
2892 }
2893
2894 # -- Tools Menu
2895 #
2896 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2897         set tools_menubar .mbar.tools
2898         menu $tools_menubar
2899         $tools_menubar add separator
2900         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2901         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2902         set tools_tailcnt 3
2903         if {[array names repo_config guitool.*.cmd] ne {}} {
2904                 tools_populate_all
2905         }
2906 }
2907
2908 # -- Help Menu
2909 #
2910 .mbar add cascade -label [mc Help] -menu .mbar.help
2911 menu .mbar.help
2912
2913 if {[is_MacOSX]} {
2914         .mbar.apple add command -label [mc "About %s" [appname]] \
2915                 -command do_about
2916         .mbar.apple add separator
2917 } else {
2918         .mbar.help add command -label [mc "About %s" [appname]] \
2919                 -command do_about
2920 }
2921 . configure -menu .mbar
2922
2923 set doc_path [githtmldir]
2924 if {$doc_path ne {}} {
2925         set doc_path [file join $doc_path index.html]
2926
2927         if {[is_Cygwin]} {
2928                 set doc_path [exec cygpath --mixed $doc_path]
2929         }
2930 }
2931
2932 if {[file isfile $doc_path]} {
2933         set doc_url "file:$doc_path"
2934 } else {
2935         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2936 }
2937
2938 proc start_browser {url} {
2939         git "web--browse" $url
2940 }
2941
2942 .mbar.help add command -label [mc "Online Documentation"] \
2943         -command [list start_browser $doc_url]
2944
2945 .mbar.help add command -label [mc "Show SSH Key"] \
2946         -command do_ssh_key
2947
2948 unset doc_path doc_url
2949
2950 # -- Standard bindings
2951 #
2952 wm protocol . WM_DELETE_WINDOW do_quit
2953 bind all <$M1B-Key-q> do_quit
2954 bind all <$M1B-Key-Q> do_quit
2955 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2956 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2957
2958 set subcommand_args {}
2959 proc usage {} {
2960         set s "usage: $::argv0 $::subcommand $::subcommand_args"
2961         if {[tk windowingsystem] eq "win32"} {
2962                 wm withdraw .
2963                 tk_messageBox -icon info -message $s \
2964                         -title [mc "Usage"]
2965         } else {
2966                 puts stderr $s
2967         }
2968         exit 1
2969 }
2970
2971 proc normalize_relpath {path} {
2972         set elements {}
2973         foreach item [file split $path] {
2974                 if {$item eq {.}} continue
2975                 if {$item eq {..} && [llength $elements] > 0
2976                     && [lindex $elements end] ne {..}} {
2977                         set elements [lrange $elements 0 end-1]
2978                         continue
2979                 }
2980                 lappend elements $item
2981         }
2982         return [eval file join $elements]
2983 }
2984
2985 # -- Not a normal commit type invocation?  Do that instead!
2986 #
2987 switch -- $subcommand {
2988 browser -
2989 blame {
2990         if {$subcommand eq "blame"} {
2991                 set subcommand_args {[--line=<num>] rev? path}
2992         } else {
2993                 set subcommand_args {rev? path}
2994         }
2995         if {$argv eq {}} usage
2996         set head {}
2997         set path {}
2998         set jump_spec {}
2999         set is_path 0
3000         foreach a $argv {
3001                 if {$is_path || [file exists $_prefix$a]} {
3002                         if {$path ne {}} usage
3003                         set path [normalize_relpath $_prefix$a]
3004                         break
3005                 } elseif {$a eq {--}} {
3006                         if {$path ne {}} {
3007                                 if {$head ne {}} usage
3008                                 set head $path
3009                                 set path {}
3010                         }
3011                         set is_path 1
3012                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3013                         if {$jump_spec ne {} || $head ne {}} usage
3014                         set jump_spec [list $lnum]
3015                 } elseif {$head eq {}} {
3016                         if {$head ne {}} usage
3017                         set head $a
3018                         set is_path 1
3019                 } else {
3020                         usage
3021                 }
3022         }
3023         unset is_path
3024
3025         if {$head ne {} && $path eq {}} {
3026                 set path [normalize_relpath $_prefix$head]
3027                 set head {}
3028         }
3029
3030         if {$head eq {}} {
3031                 load_current_branch
3032         } else {
3033                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3034                         if {[catch {
3035                                         set head [git rev-parse --verify $head]
3036                                 } err]} {
3037                                 if {[tk windowingsystem] eq "win32"} {
3038                                         tk_messageBox -icon error -title [mc Error] -message $err
3039                                 } else {
3040                                         puts stderr $err
3041                                 }
3042                                 exit 1
3043                         }
3044                 }
3045                 set current_branch $head
3046         }
3047
3048         wm deiconify .
3049         switch -- $subcommand {
3050         browser {
3051                 if {$jump_spec ne {}} usage
3052                 if {$head eq {}} {
3053                         if {$path ne {} && [file isdirectory $path]} {
3054                                 set head $current_branch
3055                         } else {
3056                                 set head $path
3057                                 set path {}
3058                         }
3059                 }
3060                 browser::new $head $path
3061         }
3062         blame   {
3063                 if {$head eq {} && ![file exists $path]} {
3064                         catch {wm withdraw .}
3065                         tk_messageBox \
3066                                 -icon error \
3067                                 -type ok \
3068                                 -title [mc "git-gui: fatal error"] \
3069                                 -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3070                         exit 1
3071                 }
3072                 blame::new $head $path $jump_spec
3073         }
3074         }
3075         return
3076 }
3077 citool -
3078 gui {
3079         if {[llength $argv] != 0} {
3080                 usage
3081         }
3082         # fall through to setup UI for commits
3083 }
3084 default {
3085         set err "usage: $argv0 \[{blame|browser|citool}\]"
3086         if {[tk windowingsystem] eq "win32"} {
3087                 wm withdraw .
3088                 tk_messageBox -icon error -message $err \
3089                         -title [mc "Usage"]
3090         } else {
3091                 puts stderr $err
3092         }
3093         exit 1
3094 }
3095 }
3096
3097 # -- Branch Control
3098 #
3099 ${NS}::frame .branch
3100 if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3101 ${NS}::label .branch.l1 \
3102         -text [mc "Current Branch:"] \
3103         -anchor w \
3104         -justify left
3105 ${NS}::label .branch.cb \
3106         -textvariable current_branch \
3107         -anchor w \
3108         -justify left
3109 pack .branch.l1 -side left
3110 pack .branch.cb -side left -fill x
3111 pack .branch -side top -fill x
3112
3113 # -- Main Window Layout
3114 #
3115 ${NS}::panedwindow .vpane -orient horizontal
3116 ${NS}::panedwindow .vpane.files -orient vertical
3117 if {$use_ttk} {
3118         .vpane add .vpane.files
3119 } else {
3120         .vpane add .vpane.files -sticky nsew -height 100 -width 200
3121 }
3122 pack .vpane -anchor n -side top -fill both -expand 1
3123
3124 # -- Index File List
3125 #
3126 ${NS}::frame .vpane.files.index -height 100 -width 200
3127 tlabel .vpane.files.index.title \
3128         -text [mc "Staged Changes (Will Commit)"] \
3129         -background lightgreen -foreground black
3130 text $ui_index -background white -foreground black \
3131         -borderwidth 0 \
3132         -width 20 -height 10 \
3133         -wrap none \
3134         -cursor $cursor_ptr \
3135         -xscrollcommand {.vpane.files.index.sx set} \
3136         -yscrollcommand {.vpane.files.index.sy set} \
3137         -state disabled
3138 ${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3139 ${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3140 pack .vpane.files.index.title -side top -fill x
3141 pack .vpane.files.index.sx -side bottom -fill x
3142 pack .vpane.files.index.sy -side right -fill y
3143 pack $ui_index -side left -fill both -expand 1
3144
3145 # -- Working Directory File List
3146 #
3147 ${NS}::frame .vpane.files.workdir -height 100 -width 200
3148 tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3149         -background lightsalmon -foreground black
3150 text $ui_workdir -background white -foreground black \
3151         -borderwidth 0 \
3152         -width 20 -height 10 \
3153         -wrap none \
3154         -cursor $cursor_ptr \
3155         -xscrollcommand {.vpane.files.workdir.sx set} \
3156         -yscrollcommand {.vpane.files.workdir.sy set} \
3157         -state disabled
3158 ${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3159 ${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3160 pack .vpane.files.workdir.title -side top -fill x
3161 pack .vpane.files.workdir.sx -side bottom -fill x
3162 pack .vpane.files.workdir.sy -side right -fill y
3163 pack $ui_workdir -side left -fill both -expand 1
3164
3165 .vpane.files add .vpane.files.workdir
3166 .vpane.files add .vpane.files.index
3167 if {!$use_ttk} {
3168         .vpane.files paneconfigure .vpane.files.workdir -sticky news
3169         .vpane.files paneconfigure .vpane.files.index -sticky news
3170 }
3171
3172 foreach i [list $ui_index $ui_workdir] {
3173         rmsel_tag $i
3174         $i tag conf in_diff -background [$i tag cget in_sel -background]
3175 }
3176 unset i
3177
3178 # -- Diff and Commit Area
3179 #
3180 ${NS}::frame .vpane.lower -height 300 -width 400
3181 ${NS}::frame .vpane.lower.commarea
3182 ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1
3183 pack .vpane.lower.diff -fill both -expand 1
3184 pack .vpane.lower.commarea -side bottom -fill x
3185 .vpane add .vpane.lower
3186 if {!$use_ttk} {.vpane paneconfigure .vpane.lower -sticky nsew}
3187
3188 # -- Commit Area Buttons
3189 #
3190 ${NS}::frame .vpane.lower.commarea.buttons
3191 ${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3192         -anchor w \
3193         -justify left
3194 pack .vpane.lower.commarea.buttons.l -side top -fill x
3195 pack .vpane.lower.commarea.buttons -side left -fill y
3196
3197 ${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3198         -command ui_do_rescan
3199 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3200 lappend disable_on_lock \
3201         {.vpane.lower.commarea.buttons.rescan conf -state}
3202
3203 ${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3204         -command do_add_all
3205 pack .vpane.lower.commarea.buttons.incall -side top -fill x
3206 lappend disable_on_lock \
3207         {.vpane.lower.commarea.buttons.incall conf -state}
3208
3209 if {![is_enabled nocommitmsg]} {
3210         ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3211                 -command do_signoff
3212         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3213 }
3214
3215 ${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3216         -command do_commit
3217 pack .vpane.lower.commarea.buttons.commit -side top -fill x
3218 lappend disable_on_lock \
3219         {.vpane.lower.commarea.buttons.commit conf -state}
3220
3221 if {![is_enabled nocommit]} {
3222         ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3223                 -command do_push_anywhere
3224         pack .vpane.lower.commarea.buttons.push -side top -fill x
3225 }
3226
3227 # -- Commit Message Buffer
3228 #
3229 ${NS}::frame .vpane.lower.commarea.buffer
3230 ${NS}::frame .vpane.lower.commarea.buffer.header
3231 set ui_comm .vpane.lower.commarea.buffer.t
3232 set ui_coml .vpane.lower.commarea.buffer.header.l
3233
3234 if {![is_enabled nocommit]} {
3235         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3236                 -text [mc "New Commit"] \
3237                 -command do_select_commit_type \
3238                 -variable selected_commit_type \
3239                 -value new
3240         lappend disable_on_lock \
3241                 [list .vpane.lower.commarea.buffer.header.new conf -state]
3242         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3243                 -text [mc "Amend Last Commit"] \
3244                 -command do_select_commit_type \
3245                 -variable selected_commit_type \
3246                 -value amend
3247         lappend disable_on_lock \
3248                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
3249 }
3250
3251 ${NS}::label $ui_coml \
3252         -anchor w \
3253         -justify left
3254 proc trace_commit_type {varname args} {
3255         global ui_coml commit_type
3256         switch -glob -- $commit_type {
3257         initial       {set txt [mc "Initial Commit Message:"]}
3258         amend         {set txt [mc "Amended Commit Message:"]}
3259         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3260         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3261         merge         {set txt [mc "Merge Commit Message:"]}
3262         *             {set txt [mc "Commit Message:"]}
3263         }
3264         $ui_coml conf -text $txt
3265 }
3266 trace add variable commit_type write trace_commit_type
3267 pack $ui_coml -side left -fill x
3268
3269 if {![is_enabled nocommit]} {
3270         pack .vpane.lower.commarea.buffer.header.amend -side right
3271         pack .vpane.lower.commarea.buffer.header.new -side right
3272 }
3273
3274 text $ui_comm -background white -foreground black \
3275         -borderwidth 1 \
3276         -undo true \
3277         -maxundo 20 \
3278         -autoseparators true \
3279         -relief sunken \
3280         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3281         -font font_diff \
3282         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3283 ${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3284         -command [list $ui_comm yview]
3285 pack .vpane.lower.commarea.buffer.header -side top -fill x
3286 pack .vpane.lower.commarea.buffer.sby -side right -fill y
3287 pack $ui_comm -side left -fill y
3288 pack .vpane.lower.commarea.buffer -side left -fill y
3289
3290 # -- Commit Message Buffer Context Menu
3291 #
3292 set ctxm .vpane.lower.commarea.buffer.ctxm
3293 menu $ctxm -tearoff 0
3294 $ctxm add command \
3295         -label [mc Cut] \
3296         -command {tk_textCut $ui_comm}
3297 $ctxm add command \
3298         -label [mc Copy] \
3299         -command {tk_textCopy $ui_comm}
3300 $ctxm add command \
3301         -label [mc Paste] \
3302         -command {tk_textPaste $ui_comm}
3303 $ctxm add command \
3304         -label [mc Delete] \
3305         -command {catch {$ui_comm delete sel.first sel.last}}
3306 $ctxm add separator
3307 $ctxm add command \
3308         -label [mc "Select All"] \
3309         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3310 $ctxm add command \
3311         -label [mc "Copy All"] \
3312         -command {
3313                 $ui_comm tag add sel 0.0 end
3314                 tk_textCopy $ui_comm
3315                 $ui_comm tag remove sel 0.0 end
3316         }
3317 $ctxm add separator
3318 $ctxm add command \
3319         -label [mc "Sign Off"] \
3320         -command do_signoff
3321 set ui_comm_ctxm $ctxm
3322
3323 # -- Diff Header
3324 #
3325 proc trace_current_diff_path {varname args} {
3326         global current_diff_path diff_actions file_states
3327         if {$current_diff_path eq {}} {
3328                 set s {}
3329                 set f {}
3330                 set p {}
3331                 set o disabled
3332         } else {
3333                 set p $current_diff_path
3334                 set s [mapdesc [lindex $file_states($p) 0] $p]
3335                 set f [mc "File:"]
3336                 set p [escape_path $p]
3337                 set o normal
3338         }
3339
3340         .vpane.lower.diff.header.status configure -text $s
3341         .vpane.lower.diff.header.file configure -text $f
3342         .vpane.lower.diff.header.path configure -text $p
3343         foreach w $diff_actions {
3344                 uplevel #0 $w $o
3345         }
3346 }
3347 trace add variable current_diff_path write trace_current_diff_path
3348
3349 gold_frame .vpane.lower.diff.header
3350 tlabel .vpane.lower.diff.header.status \
3351         -background gold \
3352         -foreground black \
3353         -width $max_status_desc \
3354         -anchor w \
3355         -justify left
3356 tlabel .vpane.lower.diff.header.file \
3357         -background gold \
3358         -foreground black \
3359         -anchor w \
3360         -justify left
3361 tlabel .vpane.lower.diff.header.path \
3362         -background gold \
3363         -foreground black \
3364         -anchor w \
3365         -justify left
3366 pack .vpane.lower.diff.header.status -side left
3367 pack .vpane.lower.diff.header.file -side left
3368 pack .vpane.lower.diff.header.path -fill x
3369 set ctxm .vpane.lower.diff.header.ctxm
3370 menu $ctxm -tearoff 0
3371 $ctxm add command \
3372         -label [mc Copy] \
3373         -command {
3374                 clipboard clear
3375                 clipboard append \
3376                         -format STRING \
3377                         -type STRING \
3378                         -- $current_diff_path
3379         }
3380 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3381 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3382
3383 # -- Diff Body
3384 #
3385 ${NS}::frame .vpane.lower.diff.body
3386 set ui_diff .vpane.lower.diff.body.t
3387 text $ui_diff -background white -foreground black \
3388         -borderwidth 0 \
3389         -width 80 -height 5 -wrap none \
3390         -font font_diff \
3391         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3392         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3393         -state disabled
3394 catch {$ui_diff configure -tabstyle wordprocessor}
3395 ${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3396         -command [list $ui_diff xview]
3397 ${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3398         -command [list $ui_diff yview]
3399 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3400 pack .vpane.lower.diff.body.sby -side right -fill y
3401 pack $ui_diff -side left -fill both -expand 1
3402 pack .vpane.lower.diff.header -side top -fill x
3403 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3404
3405 foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3406         $ui_diff tag configure clr4$n -background $c
3407         $ui_diff tag configure clri4$n -foreground $c
3408         $ui_diff tag configure clr3$n -foreground $c
3409         $ui_diff tag configure clri3$n -background $c
3410 }
3411 $ui_diff tag configure clr1 -font font_diffbold
3412 $ui_diff tag configure clr4 -underline 1
3413
3414 $ui_diff tag conf d_info -foreground blue -font font_diffbold
3415
3416 $ui_diff tag conf d_cr -elide true
3417 $ui_diff tag conf d_@ -font font_diffbold
3418 $ui_diff tag conf d_+ -foreground {#00a000}
3419 $ui_diff tag conf d_- -foreground red
3420
3421 $ui_diff tag conf d_++ -foreground {#00a000}
3422 $ui_diff tag conf d_-- -foreground red
3423 $ui_diff tag conf d_+s \
3424         -foreground {#00a000} \
3425         -background {#e2effa}
3426 $ui_diff tag conf d_-s \
3427         -foreground red \
3428         -background {#e2effa}
3429 $ui_diff tag conf d_s+ \
3430         -foreground {#00a000} \
3431         -background ivory1
3432 $ui_diff tag conf d_s- \
3433         -foreground red \
3434         -background ivory1
3435
3436 $ui_diff tag conf d< \
3437         -foreground orange \
3438         -font font_diffbold
3439 $ui_diff tag conf d= \
3440         -foreground orange \
3441         -font font_diffbold
3442 $ui_diff tag conf d> \
3443         -foreground orange \
3444         -font font_diffbold
3445
3446 $ui_diff tag raise sel
3447
3448 # -- Diff Body Context Menu
3449 #
3450
3451 proc create_common_diff_popup {ctxm} {
3452         $ctxm add command \
3453                 -label [mc Refresh] \
3454                 -command reshow_diff
3455         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3456         $ctxm add command \
3457                 -label [mc Copy] \
3458                 -command {tk_textCopy $ui_diff}
3459         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3460         $ctxm add command \
3461                 -label [mc "Select All"] \
3462                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3463         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3464         $ctxm add command \
3465                 -label [mc "Copy All"] \
3466                 -command {
3467                         $ui_diff tag add sel 0.0 end
3468                         tk_textCopy $ui_diff
3469                         $ui_diff tag remove sel 0.0 end
3470                 }
3471         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3472         $ctxm add separator
3473         $ctxm add command \
3474                 -label [mc "Decrease Font Size"] \
3475                 -command {incr_font_size font_diff -1}
3476         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3477         $ctxm add command \
3478                 -label [mc "Increase Font Size"] \
3479                 -command {incr_font_size font_diff 1}
3480         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3481         $ctxm add separator
3482         set emenu $ctxm.enc
3483         menu $emenu
3484         build_encoding_menu $emenu [list force_diff_encoding]
3485         $ctxm add cascade \
3486                 -label [mc "Encoding"] \
3487                 -menu $emenu
3488         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3489         $ctxm add separator
3490         $ctxm add command -label [mc "Options..."] \
3491                 -command do_options
3492 }
3493
3494 set ctxm .vpane.lower.diff.body.ctxm
3495 menu $ctxm -tearoff 0
3496 $ctxm add command \
3497         -label [mc "Apply/Reverse Hunk"] \
3498         -command {apply_hunk $cursorX $cursorY}
3499 set ui_diff_applyhunk [$ctxm index last]
3500 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3501 $ctxm add command \
3502         -label [mc "Apply/Reverse Line"] \
3503         -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3504 set ui_diff_applyline [$ctxm index last]
3505 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3506 $ctxm add separator
3507 $ctxm add command \
3508         -label [mc "Show Less Context"] \
3509         -command show_less_context
3510 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3511 $ctxm add command \
3512         -label [mc "Show More Context"] \
3513         -command show_more_context
3514 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3515 $ctxm add separator
3516 create_common_diff_popup $ctxm
3517
3518 set ctxmmg .vpane.lower.diff.body.ctxmmg
3519 menu $ctxmmg -tearoff 0
3520 $ctxmmg add command \
3521         -label [mc "Run Merge Tool"] \
3522         -command {merge_resolve_tool}
3523 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3524 $ctxmmg add separator
3525 $ctxmmg add command \
3526         -label [mc "Use Remote Version"] \
3527         -command {merge_resolve_one 3}
3528 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3529 $ctxmmg add command \
3530         -label [mc "Use Local Version"] \
3531         -command {merge_resolve_one 2}
3532 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3533 $ctxmmg add command \
3534         -label [mc "Revert To Base"] \
3535         -command {merge_resolve_one 1}
3536 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3537 $ctxmmg add separator
3538 $ctxmmg add command \
3539         -label [mc "Show Less Context"] \
3540         -command show_less_context
3541 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3542 $ctxmmg add command \
3543         -label [mc "Show More Context"] \
3544         -command show_more_context
3545 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3546 $ctxmmg add separator
3547 create_common_diff_popup $ctxmmg
3548
3549 set ctxmsm .vpane.lower.diff.body.ctxmsm
3550 menu $ctxmsm -tearoff 0
3551 $ctxmsm add command \
3552         -label [mc "Visualize These Changes In The Submodule"] \
3553         -command {do_gitk -- true}
3554 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3555 $ctxmsm add command \
3556         -label [mc "Visualize Current Branch History In The Submodule"] \
3557         -command {do_gitk {} true}
3558 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3559 $ctxmsm add command \
3560         -label [mc "Visualize All Branch History In The Submodule"] \
3561         -command {do_gitk --all true}
3562 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3563 $ctxmsm add separator
3564 $ctxmsm add command \
3565         -label [mc "Start git gui In The Submodule"] \
3566         -command {do_git_gui}
3567 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3568 $ctxmsm add separator
3569 create_common_diff_popup $ctxmsm
3570
3571 proc has_textconv {path} {
3572         if {[is_config_false gui.textconv]} {
3573                 return 0
3574         }
3575         set filter [gitattr $path diff set]
3576         set textconv [get_config [join [list diff $filter textconv] .]]
3577         if {$filter ne {set} && $textconv ne {}} {
3578                 return 1
3579         } else {
3580                 return 0
3581         }
3582 }
3583
3584 proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3585         global current_diff_path file_states
3586         set ::cursorX $x
3587         set ::cursorY $y
3588         if {[info exists file_states($current_diff_path)]} {
3589                 set state [lindex $file_states($current_diff_path) 0]
3590         } else {
3591                 set state {__}
3592         }
3593         if {[string first {U} $state] >= 0} {
3594                 tk_popup $ctxmmg $X $Y
3595         } elseif {$::is_submodule_diff} {
3596                 tk_popup $ctxmsm $X $Y
3597         } else {
3598                 set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3599                 if {$::ui_index eq $::current_diff_side} {
3600                         set l [mc "Unstage Hunk From Commit"]
3601                         if {$has_range} {
3602                                 set t [mc "Unstage Lines From Commit"]
3603                         } else {
3604                                 set t [mc "Unstage Line From Commit"]
3605                         }
3606                 } else {
3607                         set l [mc "Stage Hunk For Commit"]
3608                         if {$has_range} {
3609                                 set t [mc "Stage Lines For Commit"]
3610                         } else {
3611                                 set t [mc "Stage Line For Commit"]
3612                         }
3613                 }
3614                 if {$::is_3way_diff
3615                         || $current_diff_path eq {}
3616                         || {__} eq $state
3617                         || {_O} eq $state
3618                         || [string match {?T} $state]
3619                         || [string match {T?} $state]
3620                         || [has_textconv $current_diff_path]} {
3621                         set s disabled
3622                 } else {
3623                         set s normal
3624                 }
3625                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3626                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3627                 tk_popup $ctxm $X $Y
3628         }
3629 }
3630 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3631
3632 # -- Status Bar
3633 #
3634 set main_status [::status_bar::new .status]
3635 pack .status -anchor w -side bottom -fill x
3636 $main_status show [mc "Initializing..."]
3637
3638 # -- Load geometry
3639 #
3640 proc on_ttk_pane_mapped {w pane pos} {
3641         bind $w <Map> {}
3642         after 0 [list after idle [list $w sashpos $pane $pos]]
3643 }
3644 proc on_tk_pane_mapped {w pane x y} {
3645         bind $w <Map> {}
3646         after 0 [list after idle [list $w sash place $pane $x $y]]
3647 }
3648 proc on_application_mapped {} {
3649         global repo_config use_ttk
3650         bind . <Map> {}
3651         set gm $repo_config(gui.geometry)
3652         if {$use_ttk} {
3653                 bind .vpane <Map> \
3654                     [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3655                 bind .vpane.files <Map> \
3656                     [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3657         } else {
3658                 bind .vpane <Map> \
3659                     [list on_tk_pane_mapped %W 0 \
3660                          [lindex $gm 1] \
3661                          [lindex [.vpane sash coord 0] 1]]
3662                 bind .vpane.files <Map> \
3663                     [list on_tk_pane_mapped %W 0 \
3664                          [lindex [.vpane.files sash coord 0] 0] \
3665                          [lindex $gm 2]]
3666         }
3667         wm geometry . [lindex $gm 0]
3668 }
3669 if {[info exists repo_config(gui.geometry)]} {
3670         bind . <Map> [list on_application_mapped]
3671         wm geometry . [lindex $repo_config(gui.geometry) 0]
3672 }
3673
3674 # -- Load window state
3675 #
3676 if {[info exists repo_config(gui.wmstate)]} {
3677         catch {wm state . $repo_config(gui.wmstate)}
3678 }
3679
3680 # -- Key Bindings
3681 #
3682 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3683 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3684 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3685 bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3686 bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3687 bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3688 bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3689 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3690 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3691 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3692 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3693 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3694 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3695 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3696 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3697 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3698 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3699 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3700 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3701 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3702 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3703 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3704
3705 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3706 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3707 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3708 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3709 bind $ui_diff <$M1B-Key-v> {break}
3710 bind $ui_diff <$M1B-Key-V> {break}
3711 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3712 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3713 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3714 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3715 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3716 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3717 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3718 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3719 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3720 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3721 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3722 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3723 bind $ui_diff <Button-1>   {focus %W}
3724
3725 if {[is_enabled branch]} {
3726         bind . <$M1B-Key-n> branch_create::dialog
3727         bind . <$M1B-Key-N> branch_create::dialog
3728         bind . <$M1B-Key-o> branch_checkout::dialog
3729         bind . <$M1B-Key-O> branch_checkout::dialog
3730         bind . <$M1B-Key-m> merge::dialog
3731         bind . <$M1B-Key-M> merge::dialog
3732 }
3733 if {[is_enabled transport]} {
3734         bind . <$M1B-Key-p> do_push_anywhere
3735         bind . <$M1B-Key-P> do_push_anywhere
3736 }
3737
3738 bind .   <Key-F5>     ui_do_rescan
3739 bind .   <$M1B-Key-r> ui_do_rescan
3740 bind .   <$M1B-Key-R> ui_do_rescan
3741 bind .   <$M1B-Key-s> do_signoff
3742 bind .   <$M1B-Key-S> do_signoff
3743 bind .   <$M1B-Key-t> do_add_selection
3744 bind .   <$M1B-Key-T> do_add_selection
3745 bind .   <$M1B-Key-j> do_revert_selection
3746 bind .   <$M1B-Key-J> do_revert_selection
3747 bind .   <$M1B-Key-i> do_add_all
3748 bind .   <$M1B-Key-I> do_add_all
3749 bind .   <$M1B-Key-minus> {show_less_context;break}
3750 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3751 bind .   <$M1B-Key-equal> {show_more_context;break}
3752 bind .   <$M1B-Key-plus> {show_more_context;break}
3753 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3754 bind .   <$M1B-Key-Return> do_commit
3755 foreach i [list $ui_index $ui_workdir] {
3756         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3757         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3758         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3759 }
3760 unset i
3761
3762 set file_lists($ui_index) [list]
3763 set file_lists($ui_workdir) [list]
3764
3765 wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3766 focus -force $ui_comm
3767
3768 # -- Warn the user about environmental problems.  Cygwin's Tcl
3769 #    does *not* pass its env array onto any processes it spawns.
3770 #    This means that git processes get none of our environment.
3771 #
3772 if {[is_Cygwin]} {
3773         set ignored_env 0
3774         set suggest_user {}
3775         set msg [mc "Possible environment issues exist.
3776
3777 The following environment variables are probably
3778 going to be ignored by any Git subprocess run
3779 by %s:
3780
3781 " [appname]]
3782         foreach name [array names env] {
3783                 switch -regexp -- $name {
3784                 {^GIT_INDEX_FILE$} -
3785                 {^GIT_OBJECT_DIRECTORY$} -
3786                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3787                 {^GIT_DIFF_OPTS$} -
3788                 {^GIT_EXTERNAL_DIFF$} -
3789                 {^GIT_PAGER$} -
3790                 {^GIT_TRACE$} -
3791                 {^GIT_CONFIG$} -
3792                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3793                         append msg " - $name\n"
3794                         incr ignored_env
3795                 }
3796                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3797                         append msg " - $name\n"
3798                         incr ignored_env
3799                         set suggest_user $name
3800                 }
3801                 }
3802         }
3803         if {$ignored_env > 0} {
3804                 append msg [mc "
3805 This is due to a known issue with the
3806 Tcl binary distributed by Cygwin."]
3807
3808                 if {$suggest_user ne {}} {
3809                         append msg [mc "
3810
3811 A good replacement for %s
3812 is placing values for the user.name and
3813 user.email settings into your personal
3814 ~/.gitconfig file.
3815 " $suggest_user]
3816                 }
3817                 warn_popup $msg
3818         }
3819         unset ignored_env msg suggest_user name
3820 }
3821
3822 # -- Only initialize complex UI if we are going to stay running.
3823 #
3824 if {[is_enabled transport]} {
3825         load_all_remotes
3826
3827         set n [.mbar.remote index end]
3828         populate_remotes_menu
3829         set n [expr {[.mbar.remote index end] - $n}]
3830         if {$n > 0} {
3831                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3832                 .mbar.remote insert $n separator
3833         }
3834         unset n
3835 }
3836
3837 if {[winfo exists $ui_comm]} {
3838         set GITGUI_BCK_exists [load_message GITGUI_BCK]
3839
3840         # -- If both our backup and message files exist use the
3841         #    newer of the two files to initialize the buffer.
3842         #
3843         if {$GITGUI_BCK_exists} {
3844                 set m [gitdir GITGUI_MSG]
3845                 if {[file isfile $m]} {
3846                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3847                                 catch {file delete [gitdir GITGUI_MSG]}
3848                         } else {
3849                                 $ui_comm delete 0.0 end
3850                                 $ui_comm edit reset
3851                                 $ui_comm edit modified false
3852                                 catch {file delete [gitdir GITGUI_BCK]}
3853                                 set GITGUI_BCK_exists 0
3854                         }
3855                 }
3856                 unset m
3857         }
3858
3859         proc backup_commit_buffer {} {
3860                 global ui_comm GITGUI_BCK_exists
3861
3862                 set m [$ui_comm edit modified]
3863                 if {$m || $GITGUI_BCK_exists} {
3864                         set msg [string trim [$ui_comm get 0.0 end]]
3865                         regsub -all -line {[ \r\t]+$} $msg {} msg
3866
3867                         if {$msg eq {}} {
3868                                 if {$GITGUI_BCK_exists} {
3869                                         catch {file delete [gitdir GITGUI_BCK]}
3870                                         set GITGUI_BCK_exists 0
3871                                 }
3872                         } elseif {$m} {
3873                                 catch {
3874                                         set fd [open [gitdir GITGUI_BCK] w]
3875                                         puts -nonewline $fd $msg
3876                                         close $fd
3877                                         set GITGUI_BCK_exists 1
3878                                 }
3879                         }
3880
3881                         $ui_comm edit modified false
3882                 }
3883
3884                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3885         }
3886
3887         backup_commit_buffer
3888
3889         # -- If the user has aspell available we can drive it
3890         #    in pipe mode to spellcheck the commit message.
3891         #
3892         set spell_cmd [list |]
3893         set spell_dict [get_config gui.spellingdictionary]
3894         lappend spell_cmd aspell
3895         if {$spell_dict ne {}} {
3896                 lappend spell_cmd --master=$spell_dict
3897         }
3898         lappend spell_cmd --mode=none
3899         lappend spell_cmd --encoding=utf-8
3900         lappend spell_cmd pipe
3901         if {$spell_dict eq {none}
3902          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3903                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3904         } else {
3905                 set ui_comm_spell [spellcheck::init \
3906                         $spell_fd \
3907                         $ui_comm \
3908                         $ui_comm_ctxm \
3909                 ]
3910         }
3911         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3912 }
3913
3914 lock_index begin-read
3915 if {![winfo ismapped .]} {
3916         wm deiconify .
3917 }
3918 after 1 {
3919         if {[is_enabled initialamend]} {
3920                 force_amend
3921         } else {
3922                 do_rescan
3923         }
3924
3925         if {[is_enabled nocommitmsg]} {
3926                 $ui_comm configure -state disabled -background gray
3927         }
3928 }
3929 if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
3930         after 1000 hint_gc
3931 }
3932 if {[is_enabled retcode]} {
3933         bind . <Destroy> {+terminate_me %W}
3934 }
3935 if {$picked && [is_config_true gui.autoexplore]} {
3936         do_explore
3937 }
3938
3939 # Local variables:
3940 # mode: tcl
3941 # indent-tabs-mode: t
3942 # tab-width: 4
3943 # End: