git-gui/git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3  if test "z$*" = zversion \
   4  || test "z$*" = z--version; \
   5  then \
   6         echo 'git-gui version @@GITGUI_VERSION@@'; \
   7         exit; \
   8  fi; \
   9  argv0=$0; \
  10  exec wish "$argv0" -- "$@"
  11
  12 set appvers {@@GITGUI_VERSION@@}
  13 set copyright [string map [list (c) \u00a9] {
  14 Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License as published by
  18 the Free Software Foundation; either version 2 of the License, or
  19 (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30 ######################################################################
  31 ##
  32 ## Tcl/Tk sanity check
  33
  34 if {[catch {package require Tcl 8.4} err]
  35  || [catch {package require Tk  8.4} err]
  36 } {
  37         catch {wm withdraw .}
  38         tk_messageBox \
  39                 -icon error \
  40                 -type ok \
  41                 -title "git-gui: fatal error" \
  42                 -message $err
  43         exit 1
  44 }
  45
  46 catch {rename send {}} ; # What an evil concept...
  47
  48 ######################################################################
  49 ##
  50 ## locate our library
  51
  52 set oguilib {@@GITGUI_LIBDIR@@}
  53 set oguirel {@@GITGUI_RELATIVE@@}
  54 if {$oguirel eq {1}} {
  55         set oguilib [file dirname [file normalize $argv0]]
  56         if {[file tail $oguilib] eq {git-core}} {
  57                 set oguilib [file dirname $oguilib]
  58         }
  59         set oguilib [file dirname $oguilib]
  60         set oguilib [file join $oguilib share git-gui lib]
  61         set oguimsg [file join $oguilib msgs]
  62 } elseif {[string match @@* $oguirel]} {
  63         set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64         set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65 } else {
  66         set oguimsg [file join $oguilib msgs]
  67 }
  68 unset oguirel
  69
  70 ######################################################################
  71 ##
  72 ## enable verbose loading?
  73
  74 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75         unset _verbose
  76         rename auto_load real__auto_load
  77         proc auto_load {name args} {
  78                 puts stderr "auto_load $name"
  79                 return [uplevel 1 real__auto_load $name $args]
  80         }
  81         rename source real__source
  82         proc source {name} {
  83                 puts stderr "source    $name"
  84                 uplevel 1 real__source $name
  85         }
  86         if {[tk windowingsystem] eq "win32"} { console show }
  87 }
  88
  89 ######################################################################
  90 ##
  91 ## Internationalization (i18n) through msgcat and gettext. See
  92 ## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  93
  94 package require msgcat
  95
  96 # Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
  97 if {[tk windowingsystem] eq "win32"
  98         && [package vcompare [package provide msgcat] 1.4.4] < 0
  99 } then {
 100         proc _mc_update_locale {} {
 101                 set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 102                 if {![catch {
 103                         package require registry
 104                         set uilocale [registry get $key "PreferredUILanguages"]
 105                         msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 106                 } uilocale]} {
 107                         if {[string length $uilocale] > 0} {
 108                                 msgcat::mclocale $uilocale
 109                         }
 110                 }
 111         }
 112         _mc_update_locale
 113 }
 114
 115 proc _mc_trim {fmt} {
 116         set cmk [string first @@ $fmt]
 117         if {$cmk > 0} {
 118                 return [string range $fmt 0 [expr {$cmk - 1}]]
 119         }
 120         return $fmt
 121 }
 122
 123 proc mc {en_fmt args} {
 124         set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 125         if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 126                 set msg [eval [list format [_mc_trim $en_fmt]] $args]
 127         }
 128         return $msg
 129 }
 130
 131 proc strcat {args} {
 132         return [join $args {}]
 133 }
 134
 135 ::msgcat::mcload $oguimsg
 136 unset oguimsg
 137
 138 ######################################################################
 139 ##
 140 ## On Mac, bring the current Wish process window to front
 141
 142 if {[tk windowingsystem] eq "aqua"} {
 143         catch {
 144                 exec osascript -e [format {
 145                         tell application "System Events"
 146                                 set frontmost of processes whose unix id is %d to true
 147                         end tell
 148                 } [pid]]
 149         }
 150 }
 151
 152 ######################################################################
 153 ##
 154 ## read only globals
 155
 156 set _appname {Git Gui}
 157 set _gitdir {}
 158 set _gitworktree {}
 159 set _isbare {}
 160 set _gitexec {}
 161 set _githtmldir {}
 162 set _reponame {}
 163 set _iscygwin {}
 164 set _search_path {}
 165 set _shellpath {@@SHELL_PATH@@}
 166
 167 set _trace [lsearch -exact $argv --trace]
 168 if {$_trace >= 0} {
 169         set argv [lreplace $argv $_trace $_trace]
 170         set _trace 1
 171         if {[tk windowingsystem] eq "win32"} { console show }
 172 } else {
 173         set _trace 0
 174 }
 175
 176 # variable for the last merged branch (useful for a default when deleting
 177 # branches).
 178 set _last_merged_branch {}
 179
 180 proc shellpath {} {
 181         global _shellpath env
 182         if {[string match @@* $_shellpath]} {
 183                 if {[info exists env(SHELL)]} {
 184                         return $env(SHELL)
 185                 } else {
 186                         return /bin/sh
 187                 }
 188         }
 189         return $_shellpath
 190 }
 191
 192 proc appname {} {
 193         global _appname
 194         return $_appname
 195 }
 196
 197 proc gitdir {args} {
 198         global _gitdir
 199         if {$args eq {}} {
 200                 return $_gitdir
 201         }
 202         return [eval [list file join $_gitdir] $args]
 203 }
 204
 205 proc gitexec {args} {
 206         global _gitexec
 207         if {$_gitexec eq {}} {
 208                 if {[catch {set _gitexec [git --exec-path]} err]} {
 209                         error "Git not installed?\n\n$err"
 210                 }
 211                 if {[is_Cygwin]} {
 212                         set _gitexec [exec cygpath \
 213                                 --windows \
 214                                 --absolute \
 215                                 $_gitexec]
 216                 } else {
 217                         set _gitexec [file normalize $_gitexec]
 218                 }
 219         }
 220         if {$args eq {}} {
 221                 return $_gitexec
 222         }
 223         return [eval [list file join $_gitexec] $args]
 224 }
 225
 226 proc githtmldir {args} {
 227         global _githtmldir
 228         if {$_githtmldir eq {}} {
 229                 if {[catch {set _githtmldir [git --html-path]}]} {
 230                         # Git not installed or option not yet supported
 231                         return {}
 232                 }
 233                 if {[is_Cygwin]} {
 234                         set _githtmldir [exec cygpath \
 235                                 --windows \
 236                                 --absolute \
 237                                 $_githtmldir]
 238                 } else {
 239                         set _githtmldir [file normalize $_githtmldir]
 240                 }
 241         }
 242         if {$args eq {}} {
 243                 return $_githtmldir
 244         }
 245         return [eval [list file join $_githtmldir] $args]
 246 }
 247
 248 proc reponame {} {
 249         return $::_reponame
 250 }
 251
 252 proc is_MacOSX {} {
 253         if {[tk windowingsystem] eq {aqua}} {
 254                 return 1
 255         }
 256         return 0
 257 }
 258
 259 proc is_Windows {} {
 260         if {$::tcl_platform(platform) eq {windows}} {
 261                 return 1
 262         }
 263         return 0
 264 }
 265
 266 proc is_Cygwin {} {
 267         global _iscygwin
 268         if {$_iscygwin eq {}} {
 269                 if {$::tcl_platform(platform) eq {windows}} {
 270                         if {[catch {set p [exec cygpath --windir]} err]} {
 271                                 set _iscygwin 0
 272                         } else {
 273                                 set _iscygwin 1
 274                         }
 275                 } else {
 276                         set _iscygwin 0
 277                 }
 278         }
 279         return $_iscygwin
 280 }
 281
 282 proc is_enabled {option} {
 283         global enabled_options
 284         if {[catch {set on $enabled_options($option)}]} {return 0}
 285         return $on
 286 }
 287
 288 proc enable_option {option} {
 289         global enabled_options
 290         set enabled_options($option) 1
 291 }
 292
 293 proc disable_option {option} {
 294         global enabled_options
 295         set enabled_options($option) 0
 296 }
 297
 298 ######################################################################
 299 ##
 300 ## config
 301
 302 proc is_many_config {name} {
 303         switch -glob -- $name {
 304         gui.recentrepo -
 305         remote.*.fetch -
 306         remote.*.push
 307                 {return 1}
 308         *
 309                 {return 0}
 310         }
 311 }
 312
 313 proc is_config_true {name} {
 314         global repo_config
 315         if {[catch {set v $repo_config($name)}]} {
 316                 return 0
 317         }
 318         set v [string tolower $v]
 319         if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 320                 return 1
 321         } else {
 322                 return 0
 323         }
 324 }
 325
 326 proc is_config_false {name} {
 327         global repo_config
 328         if {[catch {set v $repo_config($name)}]} {
 329                 return 0
 330         }
 331         set v [string tolower $v]
 332         if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 333                 return 1
 334         } else {
 335                 return 0
 336         }
 337 }
 338
 339 proc get_config {name} {
 340         global repo_config
 341         if {[catch {set v $repo_config($name)}]} {
 342                 return {}
 343         } else {
 344                 return $v
 345         }
 346 }
 347
 348 proc is_bare {} {
 349         global _isbare
 350         global _gitdir
 351         global _gitworktree
 352
 353         if {$_isbare eq {}} {
 354                 if {[catch {
 355                         set _bare [git rev-parse --is-bare-repository]
 356                         switch  -- $_bare {
 357                         true { set _isbare 1 }
 358                         false { set _isbare 0}
 359                         default { throw }
 360                         }
 361                 }]} {
 362                         if {[is_config_true core.bare]
 363                                 || ($_gitworktree eq {}
 364                                         && [lindex [file split $_gitdir] end] ne {.git})} {
 365                                 set _isbare 1
 366                         } else {
 367                                 set _isbare 0
 368                         }
 369                 }
 370         }
 371         return $_isbare
 372 }
 373
 374 ######################################################################
 375 ##
 376 ## handy utils
 377
 378 proc _trace_exec {cmd} {
 379         if {!$::_trace} return
 380         set d {}
 381         foreach v $cmd {
 382                 if {$d ne {}} {
 383                         append d { }
 384                 }
 385                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 386                         set v [sq $v]
 387                 }
 388                 append d $v
 389         }
 390         puts stderr $d
 391 }
 392
 393 #'"  fix poor old emacs font-lock mode
 394
 395 proc _git_cmd {name} {
 396         global _git_cmd_path
 397
 398         if {[catch {set v $_git_cmd_path($name)}]} {
 399                 switch -- $name {
 400                   version   -
 401                 --version   -
 402                 --exec-path { return [list $::_git $name] }
 403                 }
 404
 405                 set p [gitexec git-$name$::_search_exe]
 406                 if {[file exists $p]} {
 407                         set v [list $p]
 408                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 409                         # Try to determine what sort of magic will make
 410                         # git-$name go and do its thing, because native
 411                         # Tcl on Windows doesn't know it.
 412                         #
 413                         set p [gitexec git-$name]
 414                         set f [open $p r]
 415                         set s [gets $f]
 416                         close $f
 417
 418                         switch -glob -- [lindex $s 0] {
 419                         #!*sh     { set i sh     }
 420                         #!*perl   { set i perl   }
 421                         #!*python { set i python }
 422                         default   { error "git-$name is not supported: $s" }
 423                         }
 424
 425                         upvar #0 _$i interp
 426                         if {![info exists interp]} {
 427                                 set interp [_which $i]
 428                         }
 429                         if {$interp eq {}} {
 430                                 error "git-$name requires $i (not in PATH)"
 431                         }
 432                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 433                 } else {
 434                         # Assume it is builtin to git somehow and we
 435                         # aren't actually able to see a file for it.
 436                         #
 437                         set v [list $::_git $name]
 438                 }
 439                 set _git_cmd_path($name) $v
 440         }
 441         return $v
 442 }
 443
 444 proc _which {what args} {
 445         global env _search_exe _search_path
 446
 447         if {$_search_path eq {}} {
 448                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 449                         set _search_path [split [exec cygpath \
 450                                 --windows \
 451                                 --path \
 452                                 --absolute \
 453                                 $env(PATH)] {;}]
 454                         set _search_exe .exe
 455                 } elseif {[is_Windows]} {
 456                         set gitguidir [file dirname [info script]]
 457                         regsub -all ";" $gitguidir "\\;" gitguidir
 458                         set env(PATH) "$gitguidir;$env(PATH)"
 459                         set _search_path [split $env(PATH) {;}]
 460                         set _search_exe .exe
 461                 } else {
 462                         set _search_path [split $env(PATH) :]
 463                         set _search_exe {}
 464                 }
 465         }
 466
 467         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 468                 set suffix {}
 469         } else {
 470                 set suffix $_search_exe
 471         }
 472
 473         foreach p $_search_path {
 474                 set p [file join $p $what$suffix]
 475                 if {[file exists $p]} {
 476                         return [file normalize $p]
 477                 }
 478         }
 479         return {}
 480 }
 481
 482 # Test a file for a hashbang to identify executable scripts on Windows.
 483 proc is_shellscript {filename} {
 484         if {![file exists $filename]} {return 0}
 485         set f [open $filename r]
 486         fconfigure $f -encoding binary
 487         set magic [read $f 2]
 488         close $f
 489         return [expr {$magic eq "#!"}]
 490 }
 491
 492 # Run a command connected via pipes on stdout.
 493 # This is for use with textconv filters and uses sh -c "..." to allow it to
 494 # contain a command with arguments. On windows we must check for shell
 495 # scripts specifically otherwise just call the filter command.
 496 proc open_cmd_pipe {cmd path} {
 497         global env
 498         if {![file executable [shellpath]]} {
 499                 set exe [auto_execok [lindex $cmd 0]]
 500                 if {[is_shellscript [lindex $exe 0]]} {
 501                         set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 502                 } else {
 503                         set run [concat $exe [lrange $cmd 1 end] $path]
 504                 }
 505         } else {
 506                 set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 507         }
 508         return [open |$run r]
 509 }
 510
 511 proc _lappend_nice {cmd_var} {
 512         global _nice
 513         upvar $cmd_var cmd
 514
 515         if {![info exists _nice]} {
 516                 set _nice [_which nice]
 517                 if {[catch {exec $_nice git version}]} {
 518                         set _nice {}
 519                 } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 520                         set _nice {}
 521                 }
 522         }
 523         if {$_nice ne {}} {
 524                 lappend cmd $_nice
 525         }
 526 }
 527
 528 proc git {args} {
 529         set opt [list]
 530
 531         while {1} {
 532                 switch -- [lindex $args 0] {
 533                 --nice {
 534                         _lappend_nice opt
 535                 }
 536
 537                 default {
 538                         break
 539                 }
 540
 541                 }
 542
 543                 set args [lrange $args 1 end]
 544         }
 545
 546         set cmdp [_git_cmd [lindex $args 0]]
 547         set args [lrange $args 1 end]
 548
 549         _trace_exec [concat $opt $cmdp $args]
 550         set result [eval exec $opt $cmdp $args]
 551         if {[encoding system] != "utf-8"} {
 552                 set result [encoding convertfrom utf-8 [encoding convertto $result]]
 553         }
 554         if {$::_trace} {
 555                 puts stderr "< $result"
 556         }
 557         return $result
 558 }
 559
 560 proc _open_stdout_stderr {cmd} {
 561         _trace_exec $cmd
 562         if {[catch {
 563                         set fd [open [concat [list | ] $cmd] r]
 564                 } err]} {
 565                 if {   [lindex $cmd end] eq {2>@1}
 566                     && $err eq {can not find channel named "1"}
 567                         } {
 568                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 569                         # redirect operator.  Fallback to |& cat for those.
 570                         # The command was not actually started, so its safe
 571                         # to try to start it a second time.
 572                         #
 573                         set fd [open [concat \
 574                                 [list | ] \
 575                                 [lrange $cmd 0 end-1] \
 576                                 [list |& cat] \
 577                                 ] r]
 578                 } else {
 579                         error $err
 580                 }
 581         }
 582         fconfigure $fd -eofchar {}
 583         return $fd
 584 }
 585
 586 proc git_read {args} {
 587         set opt [list]
 588
 589         while {1} {
 590                 switch -- [lindex $args 0] {
 591                 --nice {
 592                         _lappend_nice opt
 593                 }
 594
 595                 --stderr {
 596                         lappend args 2>@1
 597                 }
 598
 599                 default {
 600                         break
 601                 }
 602
 603                 }
 604
 605                 set args [lrange $args 1 end]
 606         }
 607
 608         set cmdp [_git_cmd [lindex $args 0]]
 609         set args [lrange $args 1 end]
 610
 611         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 612 }
 613
 614 proc git_write {args} {
 615         set opt [list]
 616
 617         while {1} {
 618                 switch -- [lindex $args 0] {
 619                 --nice {
 620                         _lappend_nice opt
 621                 }
 622
 623                 default {
 624                         break
 625                 }
 626
 627                 }
 628
 629                 set args [lrange $args 1 end]
 630         }
 631
 632         set cmdp [_git_cmd [lindex $args 0]]
 633         set args [lrange $args 1 end]
 634
 635         _trace_exec [concat $opt $cmdp $args]
 636         return [open [concat [list | ] $opt $cmdp $args] w]
 637 }
 638
 639 proc githook_read {hook_name args} {
 640         set pchook [gitdir hooks $hook_name]
 641         lappend args 2>@1
 642
 643         # On Windows [file executable] might lie so we need to ask
 644         # the shell if the hook is executable.  Yes that's annoying.
 645         #
 646         if {[is_Windows]} {
 647                 upvar #0 _sh interp
 648                 if {![info exists interp]} {
 649                         set interp [_which sh]
 650                 }
 651                 if {$interp eq {}} {
 652                         error "hook execution requires sh (not in PATH)"
 653                 }
 654
 655                 set scr {if test -x "$1";then exec "$@";fi}
 656                 set sh_c [list $interp -c $scr $interp $pchook]
 657                 return [_open_stdout_stderr [concat $sh_c $args]]
 658         }
 659
 660         if {[file executable $pchook]} {
 661                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 662         }
 663
 664         return {}
 665 }
 666
 667 proc kill_file_process {fd} {
 668         set process [pid $fd]
 669
 670         catch {
 671                 if {[is_Windows]} {
 672                         # Use a Cygwin-specific flag to allow killing
 673                         # native Windows processes
 674                         exec kill -f $process
 675                 } else {
 676                         exec kill $process
 677                 }
 678         }
 679 }
 680
 681 proc gitattr {path attr default} {
 682         if {[catch {set r [git check-attr $attr -- $path]}]} {
 683                 set r unspecified
 684         } else {
 685                 set r [join [lrange [split $r :] 2 end] :]
 686                 regsub {^ } $r {} r
 687         }
 688         if {$r eq {unspecified}} {
 689                 return $default
 690         }
 691         return $r
 692 }
 693
 694 proc sq {value} {
 695         regsub -all ' $value "'\\''" value
 696         return "'$value'"
 697 }
 698
 699 proc load_current_branch {} {
 700         global current_branch is_detached
 701
 702         set fd [open [gitdir HEAD] r]
 703         if {[gets $fd ref] < 1} {
 704                 set ref {}
 705         }
 706         close $fd
 707
 708         set pfx {ref: refs/heads/}
 709         set len [string length $pfx]
 710         if {[string equal -length $len $pfx $ref]} {
 711                 # We're on a branch.  It might not exist.  But
 712                 # HEAD looks good enough to be a branch.
 713                 #
 714                 set current_branch [string range $ref $len end]
 715                 set is_detached 0
 716         } else {
 717                 # Assume this is a detached head.
 718                 #
 719                 set current_branch HEAD
 720                 set is_detached 1
 721         }
 722 }
 723
 724 auto_load tk_optionMenu
 725 rename tk_optionMenu real__tkOptionMenu
 726 proc tk_optionMenu {w varName args} {
 727         set m [eval real__tkOptionMenu $w $varName $args]
 728         $m configure -font font_ui
 729         $w configure -font font_ui
 730         return $m
 731 }
 732
 733 proc rmsel_tag {text} {
 734         $text tag conf sel \
 735                 -background [$text cget -background] \
 736                 -foreground [$text cget -foreground] \
 737                 -borderwidth 0
 738         $text tag conf in_sel -background lightgray
 739         bind $text <Motion> break
 740         return $text
 741 }
 742
 743 wm withdraw .
 744 set root_exists 0
 745 bind . <Visibility> {
 746         bind . <Visibility> {}
 747         set root_exists 1
 748 }
 749
 750 if {[is_Windows]} {
 751         wm iconbitmap . -default $oguilib/git-gui.ico
 752         set ::tk::AlwaysShowSelection 1
 753         bind . <Control-F2> {console show}
 754
 755         # Spoof an X11 display for SSH
 756         if {![info exists env(DISPLAY)]} {
 757                 set env(DISPLAY) :9999
 758         }
 759 } else {
 760         catch {
 761                 image create photo gitlogo -width 16 -height 16
 762
 763                 gitlogo put #33CC33 -to  7  0  9  2
 764                 gitlogo put #33CC33 -to  4  2 12  4
 765                 gitlogo put #33CC33 -to  7  4  9  6
 766                 gitlogo put #CC3333 -to  4  6 12  8
 767                 gitlogo put gray26  -to  4  9  6 10
 768                 gitlogo put gray26  -to  3 10  6 12
 769                 gitlogo put gray26  -to  8  9 13 11
 770                 gitlogo put gray26  -to  8 11 10 12
 771                 gitlogo put gray26  -to 11 11 13 14
 772                 gitlogo put gray26  -to  3 12  5 14
 773                 gitlogo put gray26  -to  5 13
 774                 gitlogo put gray26  -to 10 13
 775                 gitlogo put gray26  -to  4 14 12 15
 776                 gitlogo put gray26  -to  5 15 11 16
 777                 gitlogo redither
 778
 779                 image create photo gitlogo32 -width 32 -height 32
 780                 gitlogo32 copy gitlogo -zoom 2 2
 781
 782                 wm iconphoto . -default gitlogo gitlogo32
 783         }
 784 }
 785
 786 ######################################################################
 787 ##
 788 ## config defaults
 789
 790 set cursor_ptr arrow
 791 font create font_ui
 792 if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 793         eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 794         eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 795 } else {
 796         font create font_diff -family Courier -size 10
 797         catch {
 798                 label .dummy
 799                 eval font configure font_ui [font actual [.dummy cget -font]]
 800                 destroy .dummy
 801         }
 802 }
 803
 804 font create font_uiitalic
 805 font create font_uibold
 806 font create font_diffbold
 807 font create font_diffitalic
 808
 809 foreach class {Button Checkbutton Entry Label
 810                 Labelframe Listbox Message
 811                 Radiobutton Spinbox Text} {
 812         option add *$class.font font_ui
 813 }
 814 if {![is_MacOSX]} {
 815         option add *Menu.font font_ui
 816         option add *Entry.borderWidth 1 startupFile
 817         option add *Entry.relief sunken startupFile
 818         option add *RadioButton.anchor w startupFile
 819 }
 820 unset class
 821
 822 if {[is_Windows] || [is_MacOSX]} {
 823         option add *Menu.tearOff 0
 824 }
 825
 826 if {[is_MacOSX]} {
 827         set M1B M1
 828         set M1T Cmd
 829 } else {
 830         set M1B Control
 831         set M1T Ctrl
 832 }
 833
 834 proc bind_button3 {w cmd} {
 835         bind $w <Any-Button-3> $cmd
 836         if {[is_MacOSX]} {
 837                 # Mac OS X sends Button-2 on right click through three-button mouse,
 838                 # or through trackpad right-clicking (two-finger touch + click).
 839                 bind $w <Any-Button-2> $cmd
 840                 bind $w <Control-Button-1> $cmd
 841         }
 842 }
 843
 844 proc apply_config {} {
 845         global repo_config font_descs
 846
 847         foreach option $font_descs {
 848                 set name [lindex $option 0]
 849                 set font [lindex $option 1]
 850                 if {[catch {
 851                         set need_weight 1
 852                         foreach {cn cv} $repo_config(gui.$name) {
 853                                 if {$cn eq {-weight}} {
 854                                         set need_weight 0
 855                                 }
 856                                 font configure $font $cn $cv
 857                         }
 858                         if {$need_weight} {
 859                                 font configure $font -weight normal
 860                         }
 861                         } err]} {
 862                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 863                 }
 864                 foreach {cn cv} [font configure $font] {
 865                         font configure ${font}bold $cn $cv
 866                         font configure ${font}italic $cn $cv
 867                 }
 868                 font configure ${font}bold -weight bold
 869                 font configure ${font}italic -slant italic
 870         }
 871
 872         global use_ttk NS
 873         set use_ttk 0
 874         set NS {}
 875         if {$repo_config(gui.usettk)} {
 876                 set use_ttk [package vsatisfies [package provide Tk] 8.5]
 877                 if {$use_ttk} {
 878                         set NS ttk
 879                         bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 880                         pave_toplevel .
 881                 }
 882         }
 883 }
 884
 885 set default_config(branch.autosetupmerge) true
 886 set default_config(merge.tool) {}
 887 set default_config(mergetool.keepbackup) true
 888 set default_config(merge.diffstat) true
 889 set default_config(merge.summary) false
 890 set default_config(merge.verbosity) 2
 891 set default_config(user.name) {}
 892 set default_config(user.email) {}
 893
 894 set default_config(gui.encoding) [encoding system]
 895 set default_config(gui.matchtrackingbranch) false
 896 set default_config(gui.textconv) true
 897 set default_config(gui.pruneduringfetch) false
 898 set default_config(gui.trustmtime) false
 899 set default_config(gui.fastcopyblame) false
 900 set default_config(gui.maxrecentrepo) 10
 901 set default_config(gui.copyblamethreshold) 40
 902 set default_config(gui.blamehistoryctx) 7
 903 set default_config(gui.diffcontext) 5
 904 set default_config(gui.diffopts) {}
 905 set default_config(gui.commitmsgwidth) 75
 906 set default_config(gui.newbranchtemplate) {}
 907 set default_config(gui.spellingdictionary) {}
 908 set default_config(gui.fontui) [font configure font_ui]
 909 set default_config(gui.fontdiff) [font configure font_diff]
 910 # TODO: this option should be added to the git-config documentation
 911 set default_config(gui.maxfilesdisplayed) 5000
 912 set default_config(gui.usettk) 1
 913 set default_config(gui.warndetachedcommit) 1
 914 set font_descs {
 915         {fontui   font_ui   {mc "Main Font"}}
 916         {fontdiff font_diff {mc "Diff/Console Font"}}
 917 }
 918 set default_config(gui.stageuntracked) ask
 919 set default_config(gui.displayuntracked) true
 920
 921 ######################################################################
 922 ##
 923 ## find git
 924
 925 set _git  [_which git]
 926 if {$_git eq {}} {
 927         catch {wm withdraw .}
 928         tk_messageBox \
 929                 -icon error \
 930                 -type ok \
 931                 -title [mc "git-gui: fatal error"] \
 932                 -message [mc "Cannot find git in PATH."]
 933         exit 1
 934 }
 935
 936 ######################################################################
 937 ##
 938 ## version check
 939
 940 if {[catch {set _git_version [git --version]} err]} {
 941         catch {wm withdraw .}
 942         tk_messageBox \
 943                 -icon error \
 944                 -type ok \
 945                 -title [mc "git-gui: fatal error"] \
 946                 -message "Cannot determine Git version:
 947
 948 $err
 949
 950 [appname] requires Git 1.5.0 or later."
 951         exit 1
 952 }
 953 if {![regsub {^git version } $_git_version {} _git_version]} {
 954         catch {wm withdraw .}
 955         tk_messageBox \
 956                 -icon error \
 957                 -type ok \
 958                 -title [mc "git-gui: fatal error"] \
 959                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 960         exit 1
 961 }
 962
 963 proc get_trimmed_version {s} {
 964     set r {}
 965     foreach x [split $s -._] {
 966         if {[string is integer -strict $x]} {
 967             lappend r $x
 968         } else {
 969             break
 970         }
 971     }
 972     return [join $r .]
 973 }
 974 set _real_git_version $_git_version
 975 set _git_version [get_trimmed_version $_git_version]
 976
 977 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 978         catch {wm withdraw .}
 979         if {[tk_messageBox \
 980                 -icon warning \
 981                 -type yesno \
 982                 -default no \
 983                 -title "[appname]: warning" \
 984                  -message [mc "Git version cannot be determined.
 985
 986 %s claims it is version '%s'.
 987
 988 %s requires at least Git 1.5.0 or later.
 989
 990 Assume '%s' is version 1.5.0?
 991 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 992                 set _git_version 1.5.0
 993         } else {
 994                 exit 1
 995         }
 996 }
 997 unset _real_git_version
 998
 999 proc git-version {args} {
1000         global _git_version
1001
1002         switch [llength $args] {
1003         0 {
1004                 return $_git_version
1005         }
1006
1007         2 {
1008                 set op [lindex $args 0]
1009                 set vr [lindex $args 1]
1010                 set cm [package vcompare $_git_version $vr]
1011                 return [expr $cm $op 0]
1012         }
1013
1014         4 {
1015                 set type [lindex $args 0]
1016                 set name [lindex $args 1]
1017                 set parm [lindex $args 2]
1018                 set body [lindex $args 3]
1019
1020                 if {($type ne {proc} && $type ne {method})} {
1021                         error "Invalid arguments to git-version"
1022                 }
1023                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1024                         error "Last arm of $type $name must be default"
1025                 }
1026
1027                 foreach {op vr cb} [lrange $body 0 end-2] {
1028                         if {[git-version $op $vr]} {
1029                                 return [uplevel [list $type $name $parm $cb]]
1030                         }
1031                 }
1032
1033                 return [uplevel [list $type $name $parm [lindex $body end]]]
1034         }
1035
1036         default {
1037                 error "git-version >= x"
1038         }
1039
1040         }
1041 }
1042
1043 if {[git-version < 1.5]} {
1044         catch {wm withdraw .}
1045         tk_messageBox \
1046                 -icon error \
1047                 -type ok \
1048                 -title [mc "git-gui: fatal error"] \
1049                 -message "[appname] requires Git 1.5.0 or later.
1050
1051 You are using [git-version]:
1052
1053 [git --version]"
1054         exit 1
1055 }
1056
1057 ######################################################################
1058 ##
1059 ## configure our library
1060
1061 set idx [file join $oguilib tclIndex]
1062 if {[catch {set fd [open $idx r]} err]} {
1063         catch {wm withdraw .}
1064         tk_messageBox \
1065                 -icon error \
1066                 -type ok \
1067                 -title [mc "git-gui: fatal error"] \
1068                 -message $err
1069         exit 1
1070 }
1071 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1072         set idx [list]
1073         while {[gets $fd n] >= 0} {
1074                 if {$n ne {} && ![string match #* $n]} {
1075                         lappend idx $n
1076                 }
1077         }
1078 } else {
1079         set idx {}
1080 }
1081 close $fd
1082
1083 if {$idx ne {}} {
1084         set loaded [list]
1085         foreach p $idx {
1086                 if {[lsearch -exact $loaded $p] >= 0} continue
1087                 source [file join $oguilib $p]
1088                 lappend loaded $p
1089         }
1090         unset loaded p
1091 } else {
1092         set auto_path [concat [list $oguilib] $auto_path]
1093 }
1094 unset -nocomplain idx fd
1095
1096 ######################################################################
1097 ##
1098 ## config file parsing
1099
1100 git-version proc _parse_config {arr_name args} {
1101         >= 1.5.3 {
1102                 upvar $arr_name arr
1103                 array unset arr
1104                 set buf {}
1105                 catch {
1106                         set fd_rc [eval \
1107                                 [list git_read config] \
1108                                 $args \
1109                                 [list --null --list]]
1110                         fconfigure $fd_rc -translation binary -encoding utf-8
1111                         set buf [read $fd_rc]
1112                         close $fd_rc
1113                 }
1114                 foreach line [split $buf "\0"] {
1115                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1116                                 if {[is_many_config $name]} {
1117                                         lappend arr($name) $value
1118                                 } else {
1119                                         set arr($name) $value
1120                                 }
1121                         } elseif {[regexp {^([^\n]+)$} $line line name]} {
1122                                 # no value given, but interpreting them as
1123                                 # boolean will be handled as true
1124                                 set arr($name) {}
1125                         }
1126                 }
1127         }
1128         default {
1129                 upvar $arr_name arr
1130                 array unset arr
1131                 catch {
1132                         set fd_rc [eval [list git_read config --list] $args]
1133                         while {[gets $fd_rc line] >= 0} {
1134                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1135                                         if {[is_many_config $name]} {
1136                                                 lappend arr($name) $value
1137                                         } else {
1138                                                 set arr($name) $value
1139                                         }
1140                                 } elseif {[regexp {^([^=]+)$} $line line name]} {
1141                                         # no value given, but interpreting them as
1142                                         # boolean will be handled as true
1143                                         set arr($name) {}
1144                                 }
1145                         }
1146                         close $fd_rc
1147                 }
1148         }
1149 }
1150
1151 proc load_config {include_global} {
1152         global repo_config global_config system_config default_config
1153
1154         if {$include_global} {
1155                 _parse_config system_config --system
1156                 _parse_config global_config --global
1157         }
1158         _parse_config repo_config
1159
1160         foreach name [array names default_config] {
1161                 if {[catch {set v $system_config($name)}]} {
1162                         set system_config($name) $default_config($name)
1163                 }
1164         }
1165         foreach name [array names system_config] {
1166                 if {[catch {set v $global_config($name)}]} {
1167                         set global_config($name) $system_config($name)
1168                 }
1169                 if {[catch {set v $repo_config($name)}]} {
1170                         set repo_config($name) $system_config($name)
1171                 }
1172         }
1173 }
1174
1175 ######################################################################
1176 ##
1177 ## feature option selection
1178
1179 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1180         unset _junk
1181 } else {
1182         set subcommand gui
1183 }
1184 if {$subcommand eq {gui.sh}} {
1185         set subcommand gui
1186 }
1187 if {$subcommand eq {gui} && [llength $argv] > 0} {
1188         set subcommand [lindex $argv 0]
1189         set argv [lrange $argv 1 end]
1190 }
1191
1192 enable_option multicommit
1193 enable_option branch
1194 enable_option transport
1195 disable_option bare
1196
1197 switch -- $subcommand {
1198 browser -
1199 blame {
1200         enable_option bare
1201
1202         disable_option multicommit
1203         disable_option branch
1204         disable_option transport
1205 }
1206 citool {
1207         enable_option singlecommit
1208         enable_option retcode
1209
1210         disable_option multicommit
1211         disable_option branch
1212         disable_option transport
1213
1214         while {[llength $argv] > 0} {
1215                 set a [lindex $argv 0]
1216                 switch -- $a {
1217                 --amend {
1218                         enable_option initialamend
1219                 }
1220                 --nocommit {
1221                         enable_option nocommit
1222                         enable_option nocommitmsg
1223                 }
1224                 --commitmsg {
1225                         disable_option nocommitmsg
1226                 }
1227                 default {
1228                         break
1229                 }
1230                 }
1231
1232                 set argv [lrange $argv 1 end]
1233         }
1234 }
1235 }
1236
1237 ######################################################################
1238 ##
1239 ## execution environment
1240
1241 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1242
1243 # Suggest our implementation of askpass, if none is set
1244 if {![info exists env(SSH_ASKPASS)]} {
1245         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1246 }
1247 if {![info exists env(GIT_ASKPASS)]} {
1248         set env(GIT_ASKPASS) [gitexec git-gui--askpass]
1249 }
1250 if {![info exists env(GIT_ASK_YESNO)]} {
1251         set env(GIT_ASK_YESNO) [gitexec git-gui--askyesno]
1252 }
1253
1254 ######################################################################
1255 ##
1256 ## repository setup
1257
1258 set picked 0
1259 if {[catch {
1260                 set _gitdir $env(GIT_DIR)
1261                 set _prefix {}
1262                 }]
1263         && [catch {
1264                 # beware that from the .git dir this sets _gitdir to .
1265                 # and _prefix to the empty string
1266                 set _gitdir [git rev-parse --git-dir]
1267                 set _prefix [git rev-parse --show-prefix]
1268         } err]} {
1269         load_config 1
1270         apply_config
1271         choose_repository::pick
1272         set picked 1
1273 }
1274
1275 # we expand the _gitdir when it's just a single dot (i.e. when we're being
1276 # run from the .git dir itself) lest the routines to find the worktree
1277 # get confused
1278 if {$_gitdir eq "."} {
1279         set _gitdir [pwd]
1280 }
1281
1282 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1283         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1284 }
1285 if {![file isdirectory $_gitdir]} {
1286         catch {wm withdraw .}
1287         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1288         exit 1
1289 }
1290 # _gitdir exists, so try loading the config
1291 load_config 0
1292 apply_config
1293
1294 # v1.7.0 introduced --show-toplevel to return the canonical work-tree
1295 if {[package vsatisfies $_git_version 1.7.0-]} {
1296         if { [is_Cygwin] } {
1297                 catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1298         } else {
1299                 set _gitworktree [git rev-parse --show-toplevel]
1300         }
1301 } else {
1302         # try to set work tree from environment, core.worktree or use
1303         # cdup to obtain a relative path to the top of the worktree. If
1304         # run from the top, the ./ prefix ensures normalize expands pwd.
1305         if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1306                 set _gitworktree [get_config core.worktree]
1307                 if {$_gitworktree eq ""} {
1308                         set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1309                 }
1310         }
1311 }
1312
1313 if {$_prefix ne {}} {
1314         if {$_gitworktree eq {}} {
1315                 regsub -all {[^/]+/} $_prefix ../ cdup
1316         } else {
1317                 set cdup $_gitworktree
1318         }
1319         if {[catch {cd $cdup} err]} {
1320                 catch {wm withdraw .}
1321                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1322                 exit 1
1323         }
1324         set _gitworktree [pwd]
1325         unset cdup
1326 } elseif {![is_enabled bare]} {
1327         if {[is_bare]} {
1328                 catch {wm withdraw .}
1329                 error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1330                 exit 1
1331         }
1332         if {$_gitworktree eq {}} {
1333                 set _gitworktree [file dirname $_gitdir]
1334         }
1335         if {[catch {cd $_gitworktree} err]} {
1336                 catch {wm withdraw .}
1337                 error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1338                 exit 1
1339         }
1340         set _gitworktree [pwd]
1341 }
1342 set _reponame [file split [file normalize $_gitdir]]
1343 if {[lindex $_reponame end] eq {.git}} {
1344         set _reponame [lindex $_reponame end-1]
1345 } else {
1346         set _reponame [lindex $_reponame end]
1347 }
1348
1349 ######################################################################
1350 ##
1351 ## global init
1352
1353 set current_diff_path {}
1354 set current_diff_side {}
1355 set diff_actions [list]
1356
1357 set HEAD {}
1358 set PARENT {}
1359 set MERGE_HEAD [list]
1360 set commit_type {}
1361 set empty_tree {}
1362 set current_branch {}
1363 set is_detached 0
1364 set current_diff_path {}
1365 set is_3way_diff 0
1366 set is_submodule_diff 0
1367 set is_conflict_diff 0
1368 set selected_commit_type new
1369 set diff_empty_count 0
1370
1371 set nullid "0000000000000000000000000000000000000000"
1372 set nullid2 "0000000000000000000000000000000000000001"
1373
1374 ######################################################################
1375 ##
1376 ## task management
1377
1378 set rescan_active 0
1379 set diff_active 0
1380 set last_clicked {}
1381
1382 set disable_on_lock [list]
1383 set index_lock_type none
1384
1385 proc lock_index {type} {
1386         global index_lock_type disable_on_lock
1387
1388         if {$index_lock_type eq {none}} {
1389                 set index_lock_type $type
1390                 foreach w $disable_on_lock {
1391                         uplevel #0 $w disabled
1392                 }
1393                 return 1
1394         } elseif {$index_lock_type eq "begin-$type"} {
1395                 set index_lock_type $type
1396                 return 1
1397         }
1398         return 0
1399 }
1400
1401 proc unlock_index {} {
1402         global index_lock_type disable_on_lock
1403
1404         set index_lock_type none
1405         foreach w $disable_on_lock {
1406                 uplevel #0 $w normal
1407         }
1408 }
1409
1410 ######################################################################
1411 ##
1412 ## status
1413
1414 proc repository_state {ctvar hdvar mhvar} {
1415         global current_branch
1416         upvar $ctvar ct $hdvar hd $mhvar mh
1417
1418         set mh [list]
1419
1420         load_current_branch
1421         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1422                 set hd {}
1423                 set ct initial
1424                 return
1425         }
1426
1427         set merge_head [gitdir MERGE_HEAD]
1428         if {[file exists $merge_head]} {
1429                 set ct merge
1430                 set fd_mh [open $merge_head r]
1431                 while {[gets $fd_mh line] >= 0} {
1432                         lappend mh $line
1433                 }
1434                 close $fd_mh
1435                 return
1436         }
1437
1438         set ct normal
1439 }
1440
1441 proc PARENT {} {
1442         global PARENT empty_tree
1443
1444         set p [lindex $PARENT 0]
1445         if {$p ne {}} {
1446                 return $p
1447         }
1448         if {$empty_tree eq {}} {
1449                 set empty_tree [git mktree << {}]
1450         }
1451         return $empty_tree
1452 }
1453
1454 proc force_amend {} {
1455         global selected_commit_type
1456         global HEAD PARENT MERGE_HEAD commit_type
1457
1458         repository_state newType newHEAD newMERGE_HEAD
1459         set HEAD $newHEAD
1460         set PARENT $newHEAD
1461         set MERGE_HEAD $newMERGE_HEAD
1462         set commit_type $newType
1463
1464         set selected_commit_type amend
1465         do_select_commit_type
1466 }
1467
1468 proc rescan {after {honor_trustmtime 1}} {
1469         global HEAD PARENT MERGE_HEAD commit_type
1470         global ui_index ui_workdir ui_comm
1471         global rescan_active file_states
1472         global repo_config
1473
1474         if {$rescan_active > 0 || ![lock_index read]} return
1475
1476         repository_state newType newHEAD newMERGE_HEAD
1477         if {[string match amend* $commit_type]
1478                 && $newType eq {normal}
1479                 && $newHEAD eq $HEAD} {
1480         } else {
1481                 set HEAD $newHEAD
1482                 set PARENT $newHEAD
1483                 set MERGE_HEAD $newMERGE_HEAD
1484                 set commit_type $newType
1485         }
1486
1487         array unset file_states
1488
1489         if {!$::GITGUI_BCK_exists &&
1490                 (![$ui_comm edit modified]
1491                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1492                 if {[string match amend* $commit_type]} {
1493                 } elseif {[load_message GITGUI_MSG utf-8]} {
1494                 } elseif {[run_prepare_commit_msg_hook]} {
1495                 } elseif {[load_message MERGE_MSG]} {
1496                 } elseif {[load_message SQUASH_MSG]} {
1497                 }
1498                 $ui_comm edit reset
1499                 $ui_comm edit modified false
1500         }
1501
1502         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1503                 rescan_stage2 {} $after
1504         } else {
1505                 set rescan_active 1
1506                 ui_status [mc "Refreshing file status..."]
1507                 set fd_rf [git_read update-index \
1508                         -q \
1509                         --unmerged \
1510                         --ignore-missing \
1511                         --refresh \
1512                         ]
1513                 fconfigure $fd_rf -blocking 0 -translation binary
1514                 fileevent $fd_rf readable \
1515                         [list rescan_stage2 $fd_rf $after]
1516         }
1517 }
1518
1519 if {[is_Cygwin]} {
1520         set is_git_info_exclude {}
1521         proc have_info_exclude {} {
1522                 global is_git_info_exclude
1523
1524                 if {$is_git_info_exclude eq {}} {
1525                         if {[catch {exec test -f [gitdir info exclude]}]} {
1526                                 set is_git_info_exclude 0
1527                         } else {
1528                                 set is_git_info_exclude 1
1529                         }
1530                 }
1531                 return $is_git_info_exclude
1532         }
1533 } else {
1534         proc have_info_exclude {} {
1535                 return [file readable [gitdir info exclude]]
1536         }
1537 }
1538
1539 proc rescan_stage2 {fd after} {
1540         global rescan_active buf_rdi buf_rdf buf_rlo
1541
1542         if {$fd ne {}} {
1543                 read $fd
1544                 if {![eof $fd]} return
1545                 close $fd
1546         }
1547
1548         if {[package vsatisfies $::_git_version 1.6.3-]} {
1549                 set ls_others [list --exclude-standard]
1550         } else {
1551                 set ls_others [list --exclude-per-directory=.gitignore]
1552                 if {[have_info_exclude]} {
1553                         lappend ls_others "--exclude-from=[gitdir info exclude]"
1554                 }
1555                 set user_exclude [get_config core.excludesfile]
1556                 if {$user_exclude ne {} && [file readable $user_exclude]} {
1557                         lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1558                 }
1559         }
1560
1561         set buf_rdi {}
1562         set buf_rdf {}
1563         set buf_rlo {}
1564
1565         set rescan_active 2
1566         ui_status [mc "Scanning for modified files ..."]
1567         set fd_di [git_read diff-index --cached -z [PARENT]]
1568         set fd_df [git_read diff-files -z]
1569
1570         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1571         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1572
1573         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1574         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1575
1576         if {[is_config_true gui.displayuntracked]} {
1577                 set fd_lo [eval git_read ls-files --others -z $ls_others]
1578                 fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1579                 fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1580                 incr rescan_active
1581         }
1582 }
1583
1584 proc load_message {file {encoding {}}} {
1585         global ui_comm
1586
1587         set f [gitdir $file]
1588         if {[file isfile $f]} {
1589                 if {[catch {set fd [open $f r]}]} {
1590                         return 0
1591                 }
1592                 fconfigure $fd -eofchar {}
1593                 if {$encoding ne {}} {
1594                         fconfigure $fd -encoding $encoding
1595                 }
1596                 set content [string trim [read $fd]]
1597                 close $fd
1598                 regsub -all -line {[ \r\t]+$} $content {} content
1599                 $ui_comm delete 0.0 end
1600                 $ui_comm insert end $content
1601                 return 1
1602         }
1603         return 0
1604 }
1605
1606 proc run_prepare_commit_msg_hook {} {
1607         global pch_error
1608
1609         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1610         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1611         # empty file but existent file.
1612
1613         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1614
1615         if {[file isfile [gitdir MERGE_MSG]]} {
1616                 set pcm_source "merge"
1617                 set fd_mm [open [gitdir MERGE_MSG] r]
1618                 puts -nonewline $fd_pcm [read $fd_mm]
1619                 close $fd_mm
1620         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1621                 set pcm_source "squash"
1622                 set fd_sm [open [gitdir SQUASH_MSG] r]
1623                 puts -nonewline $fd_pcm [read $fd_sm]
1624                 close $fd_sm
1625         } else {
1626                 set pcm_source ""
1627         }
1628
1629         close $fd_pcm
1630
1631         set fd_ph [githook_read prepare-commit-msg \
1632                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1633         if {$fd_ph eq {}} {
1634                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1635                 return 0;
1636         }
1637
1638         ui_status [mc "Calling prepare-commit-msg hook..."]
1639         set pch_error {}
1640
1641         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1642         fileevent $fd_ph readable \
1643                 [list prepare_commit_msg_hook_wait $fd_ph]
1644
1645         return 1;
1646 }
1647
1648 proc prepare_commit_msg_hook_wait {fd_ph} {
1649         global pch_error
1650
1651         append pch_error [read $fd_ph]
1652         fconfigure $fd_ph -blocking 1
1653         if {[eof $fd_ph]} {
1654                 if {[catch {close $fd_ph}]} {
1655                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1656                         hook_failed_popup prepare-commit-msg $pch_error
1657                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1658                         exit 1
1659                 } else {
1660                         load_message PREPARE_COMMIT_MSG
1661                 }
1662                 set pch_error {}
1663                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1664                 return
1665         }
1666         fconfigure $fd_ph -blocking 0
1667         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1668 }
1669
1670 proc read_diff_index {fd after} {
1671         global buf_rdi
1672
1673         append buf_rdi [read $fd]
1674         set c 0
1675         set n [string length $buf_rdi]
1676         while {$c < $n} {
1677                 set z1 [string first "\0" $buf_rdi $c]
1678                 if {$z1 == -1} break
1679                 incr z1
1680                 set z2 [string first "\0" $buf_rdi $z1]
1681                 if {$z2 == -1} break
1682
1683                 incr c
1684                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1685                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1686                 merge_state \
1687                         [encoding convertfrom utf-8 $p] \
1688                         [lindex $i 4]? \
1689                         [list [lindex $i 0] [lindex $i 2]] \
1690                         [list]
1691                 set c $z2
1692                 incr c
1693         }
1694         if {$c < $n} {
1695                 set buf_rdi [string range $buf_rdi $c end]
1696         } else {
1697                 set buf_rdi {}
1698         }
1699
1700         rescan_done $fd buf_rdi $after
1701 }
1702
1703 proc read_diff_files {fd after} {
1704         global buf_rdf
1705
1706         append buf_rdf [read $fd]
1707         set c 0
1708         set n [string length $buf_rdf]
1709         while {$c < $n} {
1710                 set z1 [string first "\0" $buf_rdf $c]
1711                 if {$z1 == -1} break
1712                 incr z1
1713                 set z2 [string first "\0" $buf_rdf $z1]
1714                 if {$z2 == -1} break
1715
1716                 incr c
1717                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1718                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1719                 merge_state \
1720                         [encoding convertfrom utf-8 $p] \
1721                         ?[lindex $i 4] \
1722                         [list] \
1723                         [list [lindex $i 0] [lindex $i 2]]
1724                 set c $z2
1725                 incr c
1726         }
1727         if {$c < $n} {
1728                 set buf_rdf [string range $buf_rdf $c end]
1729         } else {
1730                 set buf_rdf {}
1731         }
1732
1733         rescan_done $fd buf_rdf $after
1734 }
1735
1736 proc read_ls_others {fd after} {
1737         global buf_rlo
1738
1739         append buf_rlo [read $fd]
1740         set pck [split $buf_rlo "\0"]
1741         set buf_rlo [lindex $pck end]
1742         foreach p [lrange $pck 0 end-1] {
1743                 set p [encoding convertfrom utf-8 $p]
1744                 if {[string index $p end] eq {/}} {
1745                         set p [string range $p 0 end-1]
1746                 }
1747                 merge_state $p ?O
1748         }
1749         rescan_done $fd buf_rlo $after
1750 }
1751
1752 proc rescan_done {fd buf after} {
1753         global rescan_active current_diff_path
1754         global file_states repo_config
1755         upvar $buf to_clear
1756
1757         if {![eof $fd]} return
1758         set to_clear {}
1759         close $fd
1760         if {[incr rescan_active -1] > 0} return
1761
1762         prune_selection
1763         unlock_index
1764         display_all_files
1765         if {$current_diff_path ne {}} { reshow_diff $after }
1766         if {$current_diff_path eq {}} { select_first_diff $after }
1767 }
1768
1769 proc prune_selection {} {
1770         global file_states selected_paths
1771
1772         foreach path [array names selected_paths] {
1773                 if {[catch {set still_here $file_states($path)}]} {
1774                         unset selected_paths($path)
1775                 }
1776         }
1777 }
1778
1779 ######################################################################
1780 ##
1781 ## ui helpers
1782
1783 proc mapicon {w state path} {
1784         global all_icons
1785
1786         if {[catch {set r $all_icons($state$w)}]} {
1787                 puts "error: no icon for $w state={$state} $path"
1788                 return file_plain
1789         }
1790         return $r
1791 }
1792
1793 proc mapdesc {state path} {
1794         global all_descs
1795
1796         if {[catch {set r $all_descs($state)}]} {
1797                 puts "error: no desc for state={$state} $path"
1798                 return $state
1799         }
1800         return $r
1801 }
1802
1803 proc ui_status {msg} {
1804         global main_status
1805         if {[info exists main_status]} {
1806                 $main_status show $msg
1807         }
1808 }
1809
1810 proc ui_ready {{test {}}} {
1811         global main_status
1812         if {[info exists main_status]} {
1813                 $main_status show [mc "Ready."] $test
1814         }
1815 }
1816
1817 proc escape_path {path} {
1818         regsub -all {\\} $path "\\\\" path
1819         regsub -all "\n" $path "\\n" path
1820         return $path
1821 }
1822
1823 proc short_path {path} {
1824         return [escape_path [lindex [file split $path] end]]
1825 }
1826
1827 set next_icon_id 0
1828 set null_sha1 [string repeat 0 40]
1829
1830 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1831         global file_states next_icon_id null_sha1
1832
1833         set s0 [string index $new_state 0]
1834         set s1 [string index $new_state 1]
1835
1836         if {[catch {set info $file_states($path)}]} {
1837                 set state __
1838                 set icon n[incr next_icon_id]
1839         } else {
1840                 set state [lindex $info 0]
1841                 set icon [lindex $info 1]
1842                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1843                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1844         }
1845
1846         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1847         elseif {$s0 eq {_}} {set s0 _}
1848
1849         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1850         elseif {$s1 eq {_}} {set s1 _}
1851
1852         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1853                 set head_info [list 0 $null_sha1]
1854         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1855                 && $head_info eq {}} {
1856                 set head_info $index_info
1857         } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1858                 set index_info $head_info
1859                 set head_info {}
1860         }
1861
1862         set file_states($path) [list $s0$s1 $icon \
1863                 $head_info $index_info \
1864                 ]
1865         return $state
1866 }
1867
1868 proc display_file_helper {w path icon_name old_m new_m} {
1869         global file_lists
1870
1871         if {$new_m eq {_}} {
1872                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1873                 if {$lno >= 0} {
1874                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1875                         incr lno
1876                         $w conf -state normal
1877                         $w delete $lno.0 [expr {$lno + 1}].0
1878                         $w conf -state disabled
1879                 }
1880         } elseif {$old_m eq {_} && $new_m ne {_}} {
1881                 lappend file_lists($w) $path
1882                 set file_lists($w) [lsort -unique $file_lists($w)]
1883                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1884                 incr lno
1885                 $w conf -state normal
1886                 $w image create $lno.0 \
1887                         -align center -padx 5 -pady 1 \
1888                         -name $icon_name \
1889                         -image [mapicon $w $new_m $path]
1890                 $w insert $lno.1 "[escape_path $path]\n"
1891                 $w conf -state disabled
1892         } elseif {$old_m ne $new_m} {
1893                 $w conf -state normal
1894                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1895                 $w conf -state disabled
1896         }
1897 }
1898
1899 proc display_file {path state} {
1900         global file_states selected_paths
1901         global ui_index ui_workdir
1902
1903         set old_m [merge_state $path $state]
1904         set s $file_states($path)
1905         set new_m [lindex $s 0]
1906         set icon_name [lindex $s 1]
1907
1908         set o [string index $old_m 0]
1909         set n [string index $new_m 0]
1910         if {$o eq {U}} {
1911                 set o _
1912         }
1913         if {$n eq {U}} {
1914                 set n _
1915         }
1916         display_file_helper     $ui_index $path $icon_name $o $n
1917
1918         if {[string index $old_m 0] eq {U}} {
1919                 set o U
1920         } else {
1921                 set o [string index $old_m 1]
1922         }
1923         if {[string index $new_m 0] eq {U}} {
1924                 set n U
1925         } else {
1926                 set n [string index $new_m 1]
1927         }
1928         display_file_helper     $ui_workdir $path $icon_name $o $n
1929
1930         if {$new_m eq {__}} {
1931                 unset file_states($path)
1932                 catch {unset selected_paths($path)}
1933         }
1934 }
1935
1936 proc display_all_files_helper {w path icon_name m} {
1937         global file_lists
1938
1939         lappend file_lists($w) $path
1940         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1941         $w image create end \
1942                 -align center -padx 5 -pady 1 \
1943                 -name $icon_name \
1944                 -image [mapicon $w $m $path]
1945         $w insert end "[escape_path $path]\n"
1946 }
1947
1948 set files_warning 0
1949 proc display_all_files {} {
1950         global ui_index ui_workdir
1951         global file_states file_lists
1952         global last_clicked
1953         global files_warning
1954
1955         $ui_index conf -state normal
1956         $ui_workdir conf -state normal
1957
1958         $ui_index delete 0.0 end
1959         $ui_workdir delete 0.0 end
1960         set last_clicked {}
1961
1962         set file_lists($ui_index) [list]
1963         set file_lists($ui_workdir) [list]
1964
1965         set to_display [lsort [array names file_states]]
1966         set display_limit [get_config gui.maxfilesdisplayed]
1967         if {[llength $to_display] > $display_limit} {
1968                 if {!$files_warning} {
1969                         # do not repeatedly warn:
1970                         set files_warning 1
1971                         info_popup [mc "Displaying only %s of %s files." \
1972                                 $display_limit [llength $to_display]]
1973                 }
1974                 set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1975         }
1976         foreach path $to_display {
1977                 set s $file_states($path)
1978                 set m [lindex $s 0]
1979                 set icon_name [lindex $s 1]
1980
1981                 set s [string index $m 0]
1982                 if {$s ne {U} && $s ne {_}} {
1983                         display_all_files_helper $ui_index $path \
1984                                 $icon_name $s
1985                 }
1986
1987                 if {[string index $m 0] eq {U}} {
1988                         set s U
1989                 } else {
1990                         set s [string index $m 1]
1991                 }
1992                 if {$s ne {_}} {
1993                         display_all_files_helper $ui_workdir $path \
1994                                 $icon_name $s
1995                 }
1996         }
1997
1998         $ui_index conf -state disabled
1999         $ui_workdir conf -state disabled
2000 }
2001
2002 ######################################################################
2003 ##
2004 ## icons
2005
2006 set filemask {
2007 #define mask_width 14
2008 #define mask_height 15
2009 static unsigned char mask_bits[] = {
2010    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2011    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2012    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2013 }
2014
2015 image create bitmap file_plain -background white -foreground black -data {
2016 #define plain_width 14
2017 #define plain_height 15
2018 static unsigned char plain_bits[] = {
2019    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2020    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2021    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2022 } -maskdata $filemask
2023
2024 image create bitmap file_mod -background white -foreground blue -data {
2025 #define mod_width 14
2026 #define mod_height 15
2027 static unsigned char mod_bits[] = {
2028    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2029    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2030    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2031 } -maskdata $filemask
2032
2033 image create bitmap file_fulltick -background white -foreground "#007000" -data {
2034 #define file_fulltick_width 14
2035 #define file_fulltick_height 15
2036 static unsigned char file_fulltick_bits[] = {
2037    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2038    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2039    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2040 } -maskdata $filemask
2041
2042 image create bitmap file_question -background white -foreground black -data {
2043 #define file_question_width 14
2044 #define file_question_height 15
2045 static unsigned char file_question_bits[] = {
2046    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2047    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2048    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2049 } -maskdata $filemask
2050
2051 image create bitmap file_removed -background white -foreground red -data {
2052 #define file_removed_width 14
2053 #define file_removed_height 15
2054 static unsigned char file_removed_bits[] = {
2055    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2056    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2057    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2058 } -maskdata $filemask
2059
2060 image create bitmap file_merge -background white -foreground blue -data {
2061 #define file_merge_width 14
2062 #define file_merge_height 15
2063 static unsigned char file_merge_bits[] = {
2064    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2065    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2066    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2067 } -maskdata $filemask
2068
2069 image create bitmap file_statechange -background white -foreground green -data {
2070 #define file_statechange_width 14
2071 #define file_statechange_height 15
2072 static unsigned char file_statechange_bits[] = {
2073    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2074    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2075    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2076 } -maskdata $filemask
2077
2078 set ui_index .vpane.files.index.list
2079 set ui_workdir .vpane.files.workdir.list
2080
2081 set all_icons(_$ui_index)   file_plain
2082 set all_icons(A$ui_index)   file_plain
2083 set all_icons(M$ui_index)   file_fulltick
2084 set all_icons(D$ui_index)   file_removed
2085 set all_icons(U$ui_index)   file_merge
2086 set all_icons(T$ui_index)   file_statechange
2087
2088 set all_icons(_$ui_workdir) file_plain
2089 set all_icons(M$ui_workdir) file_mod
2090 set all_icons(D$ui_workdir) file_question
2091 set all_icons(U$ui_workdir) file_merge
2092 set all_icons(O$ui_workdir) file_plain
2093 set all_icons(T$ui_workdir) file_statechange
2094
2095 set max_status_desc 0
2096 foreach i {
2097                 {__ {mc "Unmodified"}}
2098
2099                 {_M {mc "Modified, not staged"}}
2100                 {M_ {mc "Staged for commit"}}
2101                 {MM {mc "Portions staged for commit"}}
2102                 {MD {mc "Staged for commit, missing"}}
2103
2104                 {_T {mc "File type changed, not staged"}}
2105                 {MT {mc "File type changed, old type staged for commit"}}
2106                 {AT {mc "File type changed, old type staged for commit"}}
2107                 {T_ {mc "File type changed, staged"}}
2108                 {TM {mc "File type change staged, modification not staged"}}
2109                 {TD {mc "File type change staged, file missing"}}
2110
2111                 {_O {mc "Untracked, not staged"}}
2112                 {A_ {mc "Staged for commit"}}
2113                 {AM {mc "Portions staged for commit"}}
2114                 {AD {mc "Staged for commit, missing"}}
2115
2116                 {_D {mc "Missing"}}
2117                 {D_ {mc "Staged for removal"}}
2118                 {DO {mc "Staged for removal, still present"}}
2119
2120                 {_U {mc "Requires merge resolution"}}
2121                 {U_ {mc "Requires merge resolution"}}
2122                 {UU {mc "Requires merge resolution"}}
2123                 {UM {mc "Requires merge resolution"}}
2124                 {UD {mc "Requires merge resolution"}}
2125                 {UT {mc "Requires merge resolution"}}
2126         } {
2127         set text [eval [lindex $i 1]]
2128         if {$max_status_desc < [string length $text]} {
2129                 set max_status_desc [string length $text]
2130         }
2131         set all_descs([lindex $i 0]) $text
2132 }
2133 unset i
2134
2135 ######################################################################
2136 ##
2137 ## util
2138
2139 proc scrollbar2many {list mode args} {
2140         foreach w $list {eval $w $mode $args}
2141 }
2142
2143 proc many2scrollbar {list mode sb top bottom} {
2144         $sb set $top $bottom
2145         foreach w $list {$w $mode moveto $top}
2146 }
2147
2148 proc incr_font_size {font {amt 1}} {
2149         set sz [font configure $font -size]
2150         incr sz $amt
2151         font configure $font -size $sz
2152         font configure ${font}bold -size $sz
2153         font configure ${font}italic -size $sz
2154 }
2155
2156 ######################################################################
2157 ##
2158 ## ui commands
2159
2160 set starting_gitk_msg [mc "Starting gitk... please wait..."]
2161
2162 proc do_gitk {revs {is_submodule false}} {
2163         global current_diff_path file_states current_diff_side ui_index
2164         global _gitworktree
2165
2166         # -- Always start gitk through whatever we were loaded with.  This
2167         #    lets us bypass using shell process on Windows systems.
2168         #
2169         set exe [_which gitk -script]
2170         set cmd [list [info nameofexecutable] $exe]
2171         if {$exe eq {}} {
2172                 error_popup [mc "Couldn't find gitk in PATH"]
2173         } else {
2174                 global env
2175
2176                 if {[info exists env(GIT_DIR)]} {
2177                         set old_GIT_DIR $env(GIT_DIR)
2178                 } else {
2179                         set old_GIT_DIR {}
2180                 }
2181
2182                 set pwd [pwd]
2183
2184                 if {!$is_submodule} {
2185                         if {![is_bare]} {
2186                                 cd $_gitworktree
2187                         }
2188                         set env(GIT_DIR) [file normalize [gitdir]]
2189                 } else {
2190                         cd $current_diff_path
2191                         if {$revs eq {--}} {
2192                                 set s $file_states($current_diff_path)
2193                                 set old_sha1 {}
2194                                 set new_sha1 {}
2195                                 switch -glob -- [lindex $s 0] {
2196                                 M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2197                                 _M { set old_sha1 [lindex [lindex $s 3] 1] }
2198                                 MM {
2199                                         if {$current_diff_side eq $ui_index} {
2200                                                 set old_sha1 [lindex [lindex $s 2] 1]
2201                                                 set new_sha1 [lindex [lindex $s 3] 1]
2202                                         } else {
2203                                                 set old_sha1 [lindex [lindex $s 3] 1]
2204                                         }
2205                                 }
2206                                 }
2207                                 set revs $old_sha1...$new_sha1
2208                         }
2209                         if {[info exists env(GIT_DIR)]} {
2210                                 unset env(GIT_DIR)
2211                         }
2212                 }
2213                 eval exec $cmd $revs "--" "--" &
2214
2215                 if {$old_GIT_DIR ne {}} {
2216                         set env(GIT_DIR) $old_GIT_DIR
2217                 }
2218                 cd $pwd
2219
2220                 ui_status $::starting_gitk_msg
2221                 after 10000 {
2222                         ui_ready $starting_gitk_msg
2223                 }
2224         }
2225 }
2226
2227 proc do_git_gui {} {
2228         global current_diff_path
2229
2230         # -- Always start git gui through whatever we were loaded with.  This
2231         #    lets us bypass using shell process on Windows systems.
2232         #
2233         set exe [list [_which git]]
2234         if {$exe eq {}} {
2235                 error_popup [mc "Couldn't find git gui in PATH"]
2236         } else {
2237                 global env
2238
2239                 if {[info exists env(GIT_DIR)]} {
2240                         set old_GIT_DIR $env(GIT_DIR)
2241                         unset env(GIT_DIR)
2242                 } else {
2243                         set old_GIT_DIR {}
2244                 }
2245
2246                 set pwd [pwd]
2247                 cd $current_diff_path
2248
2249                 eval exec $exe gui &
2250
2251                 if {$old_GIT_DIR ne {}} {
2252                         set env(GIT_DIR) $old_GIT_DIR
2253                 }
2254                 cd $pwd
2255
2256                 ui_status $::starting_gitk_msg
2257                 after 10000 {
2258                         ui_ready $starting_gitk_msg
2259                 }
2260         }
2261 }
2262
2263 proc do_explore {} {
2264         global _gitworktree
2265         set explorer {}
2266         if {[is_Cygwin] || [is_Windows]} {
2267                 set explorer "explorer.exe"
2268         } elseif {[is_MacOSX]} {
2269                 set explorer "open"
2270         } else {
2271                 # freedesktop.org-conforming system is our best shot
2272                 set explorer "xdg-open"
2273         }
2274         eval exec $explorer [list [file nativename $_gitworktree]] &
2275 }
2276
2277 set is_quitting 0
2278 set ret_code    1
2279
2280 proc terminate_me {win} {
2281         global ret_code
2282         if {$win ne {.}} return
2283         exit $ret_code
2284 }
2285
2286 proc do_quit {{rc {1}}} {
2287         global ui_comm is_quitting repo_config commit_type
2288         global GITGUI_BCK_exists GITGUI_BCK_i
2289         global ui_comm_spell
2290         global ret_code use_ttk
2291
2292         if {$is_quitting} return
2293         set is_quitting 1
2294
2295         if {[winfo exists $ui_comm]} {
2296                 # -- Stash our current commit buffer.
2297                 #
2298                 set save [gitdir GITGUI_MSG]
2299                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2300                         file rename -force [gitdir GITGUI_BCK] $save
2301                         set GITGUI_BCK_exists 0
2302                 } else {
2303                         set msg [string trim [$ui_comm get 0.0 end]]
2304                         regsub -all -line {[ \r\t]+$} $msg {} msg
2305                         if {(![string match amend* $commit_type]
2306                                 || [$ui_comm edit modified])
2307                                 && $msg ne {}} {
2308                                 catch {
2309                                         set fd [open $save w]
2310                                         fconfigure $fd -encoding utf-8
2311                                         puts -nonewline $fd $msg
2312                                         close $fd
2313                                 }
2314                         } else {
2315                                 catch {file delete $save}
2316                         }
2317                 }
2318
2319                 # -- Cancel our spellchecker if its running.
2320                 #
2321                 if {[info exists ui_comm_spell]} {
2322                         $ui_comm_spell stop
2323                 }
2324
2325                 # -- Remove our editor backup, its not needed.
2326                 #
2327                 after cancel $GITGUI_BCK_i
2328                 if {$GITGUI_BCK_exists} {
2329                         catch {file delete [gitdir GITGUI_BCK]}
2330                 }
2331
2332                 # -- Stash our current window geometry into this repository.
2333                 #
2334                 set cfg_wmstate [wm state .]
2335                 if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2336                         set rc_wmstate {}
2337                 }
2338                 if {$cfg_wmstate ne $rc_wmstate} {
2339                         catch {git config gui.wmstate $cfg_wmstate}
2340                 }
2341                 if {$cfg_wmstate eq {zoomed}} {
2342                         # on Windows wm geometry will lie about window
2343                         # position (but not size) when window is zoomed
2344                         # restore the window before querying wm geometry
2345                         wm state . normal
2346                 }
2347                 set cfg_geometry [list]
2348                 lappend cfg_geometry [wm geometry .]
2349                 if {$use_ttk} {
2350                         lappend cfg_geometry [.vpane sashpos 0]
2351                         lappend cfg_geometry [.vpane.files sashpos 0]
2352                 } else {
2353                         lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2354                         lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2355                 }
2356                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2357                         set rc_geometry {}
2358                 }
2359                 if {$cfg_geometry ne $rc_geometry} {
2360                         catch {git config gui.geometry $cfg_geometry}
2361                 }
2362         }
2363
2364         set ret_code $rc
2365
2366         # Briefly enable send again, working around Tk bug
2367         # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2368         tk appname [appname]
2369
2370         destroy .
2371 }
2372
2373 proc do_rescan {} {
2374         rescan ui_ready
2375 }
2376
2377 proc ui_do_rescan {} {
2378         rescan {force_first_diff ui_ready}
2379 }
2380
2381 proc do_commit {} {
2382         commit_tree
2383 }
2384
2385 proc next_diff {{after {}}} {
2386         global next_diff_p next_diff_w next_diff_i
2387         show_diff $next_diff_p $next_diff_w {} {} $after
2388 }
2389
2390 proc find_anchor_pos {lst name} {
2391         set lid [lsearch -sorted -exact $lst $name]
2392
2393         if {$lid == -1} {
2394                 set lid 0
2395                 foreach lname $lst {
2396                         if {$lname >= $name} break
2397                         incr lid
2398                 }
2399         }
2400
2401         return $lid
2402 }
2403
2404 proc find_file_from {flist idx delta path mmask} {
2405         global file_states
2406
2407         set len [llength $flist]
2408         while {$idx >= 0 && $idx < $len} {
2409                 set name [lindex $flist $idx]
2410
2411                 if {$name ne $path && [info exists file_states($name)]} {
2412                         set state [lindex $file_states($name) 0]
2413
2414                         if {$mmask eq {} || [regexp $mmask $state]} {
2415                                 return $idx
2416                         }
2417                 }
2418
2419                 incr idx $delta
2420         }
2421
2422         return {}
2423 }
2424
2425 proc find_next_diff {w path {lno {}} {mmask {}}} {
2426         global next_diff_p next_diff_w next_diff_i
2427         global file_lists ui_index ui_workdir
2428
2429         set flist $file_lists($w)
2430         if {$lno eq {}} {
2431                 set lno [find_anchor_pos $flist $path]
2432         } else {
2433                 incr lno -1
2434         }
2435
2436         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2437                 if {$w eq $ui_index} {
2438                         set mmask "^$mmask"
2439                 } else {
2440                         set mmask "$mmask\$"
2441                 }
2442         }
2443
2444         set idx [find_file_from $flist $lno 1 $path $mmask]
2445         if {$idx eq {}} {
2446                 incr lno -1
2447                 set idx [find_file_from $flist $lno -1 $path $mmask]
2448         }
2449
2450         if {$idx ne {}} {
2451                 set next_diff_w $w
2452                 set next_diff_p [lindex $flist $idx]
2453                 set next_diff_i [expr {$idx+1}]
2454                 return 1
2455         } else {
2456                 return 0
2457         }
2458 }
2459
2460 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2461         global current_diff_path
2462
2463         if {$path ne $current_diff_path} {
2464                 return {}
2465         } elseif {[find_next_diff $w $path $lno $mmask]} {
2466                 return {next_diff;}
2467         } else {
2468                 return {reshow_diff;}
2469         }
2470 }
2471
2472 proc select_first_diff {after} {
2473         global ui_workdir
2474
2475         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2476             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2477                 next_diff $after
2478         } else {
2479                 uplevel #0 $after
2480         }
2481 }
2482
2483 proc force_first_diff {after} {
2484         global ui_workdir current_diff_path file_states
2485
2486         if {[info exists file_states($current_diff_path)]} {
2487                 set state [lindex $file_states($current_diff_path) 0]
2488         } else {
2489                 set state {OO}
2490         }
2491
2492         set reselect 0
2493         if {[string first {U} $state] >= 0} {
2494                 # Already a conflict, do nothing
2495         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2496                 set reselect 1
2497         } elseif {[string index $state 1] ne {O}} {
2498                 # Already a diff & no conflicts, do nothing
2499         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2500                 set reselect 1
2501         }
2502
2503         if {$reselect} {
2504                 next_diff $after
2505         } else {
2506                 uplevel #0 $after
2507         }
2508 }
2509
2510 proc toggle_or_diff {w x y} {
2511         global file_states file_lists current_diff_path ui_index ui_workdir
2512         global last_clicked selected_paths
2513
2514         set pos [split [$w index @$x,$y] .]
2515         set lno [lindex $pos 0]
2516         set col [lindex $pos 1]
2517         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2518         if {$path eq {}} {
2519                 set last_clicked {}
2520                 return
2521         }
2522
2523         set last_clicked [list $w $lno]
2524         array unset selected_paths
2525         $ui_index tag remove in_sel 0.0 end
2526         $ui_workdir tag remove in_sel 0.0 end
2527
2528         # Determine the state of the file
2529         if {[info exists file_states($path)]} {
2530                 set state [lindex $file_states($path) 0]
2531         } else {
2532                 set state {__}
2533         }
2534
2535         # Restage the file, or simply show the diff
2536         if {$col == 0 && $y > 1} {
2537                 # Conflicts need special handling
2538                 if {[string first {U} $state] >= 0} {
2539                         # $w must always be $ui_workdir, but...
2540                         if {$w ne $ui_workdir} { set lno {} }
2541                         merge_stage_workdir $path $lno
2542                         return
2543                 }
2544
2545                 if {[string index $state 1] eq {O}} {
2546                         set mmask {}
2547                 } else {
2548                         set mmask {[^O]}
2549                 }
2550
2551                 set after [next_diff_after_action $w $path $lno $mmask]
2552
2553                 if {$w eq $ui_index} {
2554                         update_indexinfo \
2555                                 "Unstaging [short_path $path] from commit" \
2556                                 [list $path] \
2557                                 [concat $after [list ui_ready]]
2558                 } elseif {$w eq $ui_workdir} {
2559                         update_index \
2560                                 "Adding [short_path $path]" \
2561                                 [list $path] \
2562                                 [concat $after [list ui_ready]]
2563                 }
2564         } else {
2565                 set selected_paths($path) 1
2566                 show_diff $path $w $lno
2567         }
2568 }
2569
2570 proc add_one_to_selection {w x y} {
2571         global file_lists last_clicked selected_paths
2572
2573         set lno [lindex [split [$w index @$x,$y] .] 0]
2574         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2575         if {$path eq {}} {
2576                 set last_clicked {}
2577                 return
2578         }
2579
2580         if {$last_clicked ne {}
2581                 && [lindex $last_clicked 0] ne $w} {
2582                 array unset selected_paths
2583                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2584         }
2585
2586         set last_clicked [list $w $lno]
2587         if {[catch {set in_sel $selected_paths($path)}]} {
2588                 set in_sel 0
2589         }
2590         if {$in_sel} {
2591                 unset selected_paths($path)
2592                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2593         } else {
2594                 set selected_paths($path) 1
2595                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2596         }
2597 }
2598
2599 proc add_range_to_selection {w x y} {
2600         global file_lists last_clicked selected_paths
2601
2602         if {[lindex $last_clicked 0] ne $w} {
2603                 toggle_or_diff $w $x $y
2604                 return
2605         }
2606
2607         set lno [lindex [split [$w index @$x,$y] .] 0]
2608         set lc [lindex $last_clicked 1]
2609         if {$lc < $lno} {
2610                 set begin $lc
2611                 set end $lno
2612         } else {
2613                 set begin $lno
2614                 set end $lc
2615         }
2616
2617         foreach path [lrange $file_lists($w) \
2618                 [expr {$begin - 1}] \
2619                 [expr {$end - 1}]] {
2620                 set selected_paths($path) 1
2621         }
2622         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2623 }
2624
2625 proc show_more_context {} {
2626         global repo_config
2627         if {$repo_config(gui.diffcontext) < 99} {
2628                 incr repo_config(gui.diffcontext)
2629                 reshow_diff
2630         }
2631 }
2632
2633 proc show_less_context {} {
2634         global repo_config
2635         if {$repo_config(gui.diffcontext) > 1} {
2636                 incr repo_config(gui.diffcontext) -1
2637                 reshow_diff
2638         }
2639 }
2640
2641 ######################################################################
2642 ##
2643 ## ui construction
2644
2645 set ui_comm {}
2646
2647 # -- Menu Bar
2648 #
2649 menu .mbar -tearoff 0
2650 if {[is_MacOSX]} {
2651         # -- Apple Menu (Mac OS X only)
2652         #
2653         .mbar add cascade -label Apple -menu .mbar.apple
2654         menu .mbar.apple
2655 }
2656 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2657 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2658 if {[is_enabled branch]} {
2659         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2660 }
2661 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2662         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2663 }
2664 if {[is_enabled transport]} {
2665         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2666         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2667 }
2668 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2669         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2670 }
2671
2672 # -- Repository Menu
2673 #
2674 menu .mbar.repository
2675
2676 if {![is_bare]} {
2677         .mbar.repository add command \
2678                 -label [mc "Explore Working Copy"] \
2679                 -command {do_explore}
2680 }
2681
2682 if {[is_Windows]} {
2683         .mbar.repository add command \
2684                 -label [mc "Git Bash"] \
2685                 -command {eval exec [auto_execok start] \
2686                                           [list "Git Bash" bash --login -l &]}
2687 }
2688
2689 if {[is_Windows] || ![is_bare]} {
2690         .mbar.repository add separator
2691 }
2692
2693 .mbar.repository add command \
2694         -label [mc "Browse Current Branch's Files"] \
2695         -command {browser::new $current_branch}
2696 set ui_browse_current [.mbar.repository index last]
2697 .mbar.repository add command \
2698         -label [mc "Browse Branch Files..."] \
2699         -command browser_open::dialog
2700 .mbar.repository add separator
2701
2702 .mbar.repository add command \
2703         -label [mc "Visualize Current Branch's History"] \
2704         -command {do_gitk $current_branch}
2705 set ui_visualize_current [.mbar.repository index last]
2706 .mbar.repository add command \
2707         -label [mc "Visualize All Branch History"] \
2708         -command {do_gitk --all}
2709 .mbar.repository add separator
2710
2711 proc current_branch_write {args} {
2712         global current_branch
2713         .mbar.repository entryconf $::ui_browse_current \
2714                 -label [mc "Browse %s's Files" $current_branch]
2715         .mbar.repository entryconf $::ui_visualize_current \
2716                 -label [mc "Visualize %s's History" $current_branch]
2717 }
2718 trace add variable current_branch write current_branch_write
2719
2720 if {[is_enabled multicommit]} {
2721         .mbar.repository add command -label [mc "Database Statistics"] \
2722                 -command do_stats
2723
2724         .mbar.repository add command -label [mc "Compress Database"] \
2725                 -command do_gc
2726
2727         .mbar.repository add command -label [mc "Verify Database"] \
2728                 -command do_fsck_objects
2729
2730         .mbar.repository add separator
2731
2732         if {[is_Cygwin]} {
2733                 .mbar.repository add command \
2734                         -label [mc "Create Desktop Icon"] \
2735                         -command do_cygwin_shortcut
2736         } elseif {[is_Windows]} {
2737                 .mbar.repository add command \
2738                         -label [mc "Create Desktop Icon"] \
2739                         -command do_windows_shortcut
2740         } elseif {[is_MacOSX]} {
2741                 .mbar.repository add command \
2742                         -label [mc "Create Desktop Icon"] \
2743                         -command do_macosx_app
2744         }
2745 }
2746
2747 if {[is_MacOSX]} {
2748         proc ::tk::mac::Quit {args} { do_quit }
2749 } else {
2750         .mbar.repository add command -label [mc Quit] \
2751                 -command do_quit \
2752                 -accelerator $M1T-Q
2753 }
2754
2755 # -- Edit Menu
2756 #
2757 menu .mbar.edit
2758 .mbar.edit add command -label [mc Undo] \
2759         -command {catch {[focus] edit undo}} \
2760         -accelerator $M1T-Z
2761 .mbar.edit add command -label [mc Redo] \
2762         -command {catch {[focus] edit redo}} \
2763         -accelerator $M1T-Y
2764 .mbar.edit add separator
2765 .mbar.edit add command -label [mc Cut] \
2766         -command {catch {tk_textCut [focus]}} \
2767         -accelerator $M1T-X
2768 .mbar.edit add command -label [mc Copy] \
2769         -command {catch {tk_textCopy [focus]}} \
2770         -accelerator $M1T-C
2771 .mbar.edit add command -label [mc Paste] \
2772         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2773         -accelerator $M1T-V
2774 .mbar.edit add command -label [mc Delete] \
2775         -command {catch {[focus] delete sel.first sel.last}} \
2776         -accelerator Del
2777 .mbar.edit add separator
2778 .mbar.edit add command -label [mc "Select All"] \
2779         -command {catch {[focus] tag add sel 0.0 end}} \
2780         -accelerator $M1T-A
2781
2782 # -- Branch Menu
2783 #
2784 if {[is_enabled branch]} {
2785         menu .mbar.branch
2786
2787         .mbar.branch add command -label [mc "Create..."] \
2788                 -command branch_create::dialog \
2789                 -accelerator $M1T-N
2790         lappend disable_on_lock [list .mbar.branch entryconf \
2791                 [.mbar.branch index last] -state]
2792
2793         .mbar.branch add command -label [mc "Checkout..."] \
2794                 -command branch_checkout::dialog \
2795                 -accelerator $M1T-O
2796         lappend disable_on_lock [list .mbar.branch entryconf \
2797                 [.mbar.branch index last] -state]
2798
2799         .mbar.branch add command -label [mc "Rename..."] \
2800                 -command branch_rename::dialog
2801         lappend disable_on_lock [list .mbar.branch entryconf \
2802                 [.mbar.branch index last] -state]
2803
2804         .mbar.branch add command -label [mc "Delete..."] \
2805                 -command branch_delete::dialog
2806         lappend disable_on_lock [list .mbar.branch entryconf \
2807                 [.mbar.branch index last] -state]
2808
2809         .mbar.branch add command -label [mc "Reset..."] \
2810                 -command merge::reset_hard
2811         lappend disable_on_lock [list .mbar.branch entryconf \
2812                 [.mbar.branch index last] -state]
2813 }
2814
2815 # -- Commit Menu
2816 #
2817 proc commit_btn_caption {} {
2818         if {[is_enabled nocommit]} {
2819                 return [mc "Done"]
2820         } else {
2821                 return [mc Commit@@verb]
2822         }
2823 }
2824
2825 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2826         menu .mbar.commit
2827
2828         if {![is_enabled nocommit]} {
2829                 .mbar.commit add radiobutton \
2830                         -label [mc "New Commit"] \
2831                         -command do_select_commit_type \
2832                         -variable selected_commit_type \
2833                         -value new
2834                 lappend disable_on_lock \
2835                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2836
2837                 .mbar.commit add radiobutton \
2838                         -label [mc "Amend Last Commit"] \
2839                         -command do_select_commit_type \
2840                         -variable selected_commit_type \
2841                         -value amend
2842                 lappend disable_on_lock \
2843                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2844
2845                 .mbar.commit add separator
2846         }
2847
2848         .mbar.commit add command -label [mc Rescan] \
2849                 -command ui_do_rescan \
2850                 -accelerator F5
2851         lappend disable_on_lock \
2852                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2853
2854         .mbar.commit add command -label [mc "Stage To Commit"] \
2855                 -command do_add_selection \
2856                 -accelerator $M1T-T
2857         lappend disable_on_lock \
2858                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2859
2860         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2861                 -command do_add_all \
2862                 -accelerator $M1T-I
2863         lappend disable_on_lock \
2864                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2865
2866         .mbar.commit add command -label [mc "Unstage From Commit"] \
2867                 -command do_unstage_selection \
2868                 -accelerator $M1T-U
2869         lappend disable_on_lock \
2870                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2871
2872         .mbar.commit add command -label [mc "Revert Changes"] \
2873                 -command do_revert_selection \
2874                 -accelerator $M1T-J
2875         lappend disable_on_lock \
2876                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2877
2878         .mbar.commit add separator
2879
2880         .mbar.commit add command -label [mc "Show Less Context"] \
2881                 -command show_less_context \
2882                 -accelerator $M1T-\-
2883
2884         .mbar.commit add command -label [mc "Show More Context"] \
2885                 -command show_more_context \
2886                 -accelerator $M1T-=
2887
2888         .mbar.commit add separator
2889
2890         if {![is_enabled nocommitmsg]} {
2891                 .mbar.commit add command -label [mc "Sign Off"] \
2892                         -command do_signoff \
2893                         -accelerator $M1T-S
2894         }
2895
2896         .mbar.commit add command -label [commit_btn_caption] \
2897                 -command do_commit \
2898                 -accelerator $M1T-Return
2899         lappend disable_on_lock \
2900                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2901 }
2902
2903 # -- Merge Menu
2904 #
2905 if {[is_enabled branch]} {
2906         menu .mbar.merge
2907         .mbar.merge add command -label [mc "Local Merge..."] \
2908                 -command merge::dialog \
2909                 -accelerator $M1T-M
2910         lappend disable_on_lock \
2911                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2912         .mbar.merge add command -label [mc "Abort Merge..."] \
2913                 -command merge::reset_hard
2914         lappend disable_on_lock \
2915                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2916 }
2917
2918 # -- Transport Menu
2919 #
2920 if {[is_enabled transport]} {
2921         menu .mbar.remote
2922
2923         .mbar.remote add command \
2924                 -label [mc "Add..."] \
2925                 -command remote_add::dialog \
2926                 -accelerator $M1T-A
2927         .mbar.remote add command \
2928                 -label [mc "Push..."] \
2929                 -command do_push_anywhere \
2930                 -accelerator $M1T-P
2931         .mbar.remote add command \
2932                 -label [mc "Delete Branch..."] \
2933                 -command remote_branch_delete::dialog
2934 }
2935
2936 if {[is_MacOSX]} {
2937         proc ::tk::mac::ShowPreferences {} {do_options}
2938 } else {
2939         # -- Edit Menu
2940         #
2941         .mbar.edit add separator
2942         .mbar.edit add command -label [mc "Options..."] \
2943                 -command do_options
2944 }
2945
2946 # -- Tools Menu
2947 #
2948 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2949         set tools_menubar .mbar.tools
2950         menu $tools_menubar
2951         $tools_menubar add separator
2952         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2953         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2954         set tools_tailcnt 3
2955         if {[array names repo_config guitool.*.cmd] ne {}} {
2956                 tools_populate_all
2957         }
2958 }
2959
2960 # -- Help Menu
2961 #
2962 .mbar add cascade -label [mc Help] -menu .mbar.help
2963 menu .mbar.help
2964
2965 if {[is_MacOSX]} {
2966         .mbar.apple add command -label [mc "About %s" [appname]] \
2967                 -command do_about
2968         .mbar.apple add separator
2969 } else {
2970         .mbar.help add command -label [mc "About %s" [appname]] \
2971                 -command do_about
2972 }
2973 . configure -menu .mbar
2974
2975 set doc_path [githtmldir]
2976 if {$doc_path ne {}} {
2977         set doc_path [file join $doc_path index.html]
2978
2979         if {[is_Cygwin]} {
2980                 set doc_path [exec cygpath --mixed $doc_path]
2981         }
2982 }
2983
2984 if {[file isfile $doc_path]} {
2985         set doc_url "file:$doc_path"
2986 } else {
2987         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2988 }
2989
2990 proc start_browser {url} {
2991         git "web--browse" $url
2992 }
2993
2994 .mbar.help add command -label [mc "Online Documentation"] \
2995         -command [list start_browser $doc_url]
2996
2997 .mbar.help add command -label [mc "Show SSH Key"] \
2998         -command do_ssh_key
2999
3000 unset doc_path doc_url
3001
3002 # -- Standard bindings
3003 #
3004 wm protocol . WM_DELETE_WINDOW do_quit
3005 bind all <$M1B-Key-q> do_quit
3006 bind all <$M1B-Key-Q> do_quit
3007 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3008 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3009
3010 set subcommand_args {}
3011 proc usage {} {
3012         set s "usage: $::argv0 $::subcommand $::subcommand_args"
3013         if {[tk windowingsystem] eq "win32"} {
3014                 wm withdraw .
3015                 tk_messageBox -icon info -message $s \
3016                         -title [mc "Usage"]
3017         } else {
3018                 puts stderr $s
3019         }
3020         exit 1
3021 }
3022
3023 proc normalize_relpath {path} {
3024         set elements {}
3025         foreach item [file split $path] {
3026                 if {$item eq {.}} continue
3027                 if {$item eq {..} && [llength $elements] > 0
3028                     && [lindex $elements end] ne {..}} {
3029                         set elements [lrange $elements 0 end-1]
3030                         continue
3031                 }
3032                 lappend elements $item
3033         }
3034         return [eval file join $elements]
3035 }
3036
3037 # -- Not a normal commit type invocation?  Do that instead!
3038 #
3039 switch -- $subcommand {
3040 browser -
3041 blame {
3042         if {$subcommand eq "blame"} {
3043                 set subcommand_args {[--line=<num>] rev? path}
3044         } else {
3045                 set subcommand_args {rev? path}
3046         }
3047         if {$argv eq {}} usage
3048         set head {}
3049         set path {}
3050         set jump_spec {}
3051         set is_path 0
3052         foreach a $argv {
3053                 set p [file join $_prefix $a]
3054
3055                 if {$is_path || [file exists $p]} {
3056                         if {$path ne {}} usage
3057                         set path [normalize_relpath $p]
3058                         break
3059                 } elseif {$a eq {--}} {
3060                         if {$path ne {}} {
3061                                 if {$head ne {}} usage
3062                                 set head $path
3063                                 set path {}
3064                         }
3065                         set is_path 1
3066                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3067                         if {$jump_spec ne {} || $head ne {}} usage
3068                         set jump_spec [list $lnum]
3069                 } elseif {$head eq {}} {
3070                         if {$head ne {}} usage
3071                         set head $a
3072                         set is_path 1
3073                 } else {
3074                         usage
3075                 }
3076         }
3077         unset is_path
3078
3079         if {$head ne {} && $path eq {}} {
3080                 if {[string index $head 0] eq {/}} {
3081                         set path [normalize_relpath $head]
3082                         set head {}
3083                 } else {
3084                         set path [normalize_relpath $_prefix$head]
3085                         set head {}
3086                 }
3087         }
3088
3089         if {$head eq {}} {
3090                 load_current_branch
3091         } else {
3092                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3093                         if {[catch {
3094                                         set head [git rev-parse --verify $head]
3095                                 } err]} {
3096                                 if {[tk windowingsystem] eq "win32"} {
3097                                         tk_messageBox -icon error -title [mc Error] -message $err
3098                                 } else {
3099                                         puts stderr $err
3100                                 }
3101                                 exit 1
3102                         }
3103                 }
3104                 set current_branch $head
3105         }
3106
3107         wm deiconify .
3108         switch -- $subcommand {
3109         browser {
3110                 if {$jump_spec ne {}} usage
3111                 if {$head eq {}} {
3112                         if {$path ne {} && [file isdirectory $path]} {
3113                                 set head $current_branch
3114                         } else {
3115                                 set head $path
3116                                 set path {}
3117                         }
3118                 }
3119                 browser::new $head $path
3120         }
3121         blame   {
3122                 if {$head eq {} && ![file exists $path]} {
3123                         catch {wm withdraw .}
3124                         tk_messageBox \
3125                                 -icon error \
3126                                 -type ok \
3127                                 -title [mc "git-gui: fatal error"] \
3128                                 -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3129                         exit 1
3130                 }
3131                 blame::new $head $path $jump_spec
3132         }
3133         }
3134         return
3135 }
3136 citool -
3137 gui {
3138         if {[llength $argv] != 0} {
3139                 usage
3140         }
3141         # fall through to setup UI for commits
3142 }
3143 default {
3144         set err "usage: $argv0 \[{blame|browser|citool}\]"
3145         if {[tk windowingsystem] eq "win32"} {
3146                 wm withdraw .
3147                 tk_messageBox -icon error -message $err \
3148                         -title [mc "Usage"]
3149         } else {
3150                 puts stderr $err
3151         }
3152         exit 1
3153 }
3154 }
3155
3156 # -- Branch Control
3157 #
3158 ${NS}::frame .branch
3159 if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3160 ${NS}::label .branch.l1 \
3161         -text [mc "Current Branch:"] \
3162         -anchor w \
3163         -justify left
3164 ${NS}::label .branch.cb \
3165         -textvariable current_branch \
3166         -anchor w \
3167         -justify left
3168 pack .branch.l1 -side left
3169 pack .branch.cb -side left -fill x
3170 pack .branch -side top -fill x
3171
3172 # -- Main Window Layout
3173 #
3174 ${NS}::panedwindow .vpane -orient horizontal
3175 ${NS}::panedwindow .vpane.files -orient vertical
3176 if {$use_ttk} {
3177         .vpane add .vpane.files
3178 } else {
3179         .vpane add .vpane.files -sticky nsew -height 100 -width 200
3180 }
3181 pack .vpane -anchor n -side top -fill both -expand 1
3182
3183 # -- Index File List
3184 #
3185 ${NS}::frame .vpane.files.index -height 100 -width 200
3186 tlabel .vpane.files.index.title \
3187         -text [mc "Staged Changes (Will Commit)"] \
3188         -background lightgreen -foreground black
3189 text $ui_index -background white -foreground black \
3190         -borderwidth 0 \
3191         -width 20 -height 10 \
3192         -wrap none \
3193         -cursor $cursor_ptr \
3194         -xscrollcommand {.vpane.files.index.sx set} \
3195         -yscrollcommand {.vpane.files.index.sy set} \
3196         -state disabled
3197 ${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3198 ${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3199 pack .vpane.files.index.title -side top -fill x
3200 pack .vpane.files.index.sx -side bottom -fill x
3201 pack .vpane.files.index.sy -side right -fill y
3202 pack $ui_index -side left -fill both -expand 1
3203
3204 # -- Working Directory File List
3205 #
3206 ${NS}::frame .vpane.files.workdir -height 100 -width 200
3207 tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3208         -background lightsalmon -foreground black
3209 text $ui_workdir -background white -foreground black \
3210         -borderwidth 0 \
3211         -width 20 -height 10 \
3212         -wrap none \
3213         -cursor $cursor_ptr \
3214         -xscrollcommand {.vpane.files.workdir.sx set} \
3215         -yscrollcommand {.vpane.files.workdir.sy set} \
3216         -state disabled
3217 ${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3218 ${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3219 pack .vpane.files.workdir.title -side top -fill x
3220 pack .vpane.files.workdir.sx -side bottom -fill x
3221 pack .vpane.files.workdir.sy -side right -fill y
3222 pack $ui_workdir -side left -fill both -expand 1
3223
3224 .vpane.files add .vpane.files.workdir
3225 .vpane.files add .vpane.files.index
3226 if {!$use_ttk} {
3227         .vpane.files paneconfigure .vpane.files.workdir -sticky news
3228         .vpane.files paneconfigure .vpane.files.index -sticky news
3229 }
3230
3231 foreach i [list $ui_index $ui_workdir] {
3232         rmsel_tag $i
3233         $i tag conf in_diff -background [$i tag cget in_sel -background]
3234 }
3235 unset i
3236
3237 # -- Diff and Commit Area
3238 #
3239 if {$have_tk85} {
3240         ${NS}::panedwindow .vpane.lower -orient vertical
3241         ${NS}::frame .vpane.lower.commarea
3242         ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3243         .vpane.lower add .vpane.lower.diff
3244         .vpane.lower add .vpane.lower.commarea
3245         .vpane add .vpane.lower
3246         if {$use_ttk} {
3247                 .vpane.lower pane .vpane.lower.diff -weight 1
3248                 .vpane.lower pane .vpane.lower.commarea -weight 0
3249         } else {
3250                 .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3251                 .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3252         }
3253 } else {
3254         frame .vpane.lower -height 300 -width 400
3255         frame .vpane.lower.commarea
3256         frame .vpane.lower.diff -relief sunken -borderwidth 1
3257         pack .vpane.lower.diff -fill both -expand 1
3258         pack .vpane.lower.commarea -side bottom -fill x
3259         .vpane add .vpane.lower
3260         .vpane paneconfigure .vpane.lower -sticky nsew
3261 }
3262
3263 # -- Commit Area Buttons
3264 #
3265 ${NS}::frame .vpane.lower.commarea.buttons
3266 ${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3267         -anchor w \
3268         -justify left
3269 pack .vpane.lower.commarea.buttons.l -side top -fill x
3270 pack .vpane.lower.commarea.buttons -side left -fill y
3271
3272 ${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3273         -command ui_do_rescan
3274 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3275 lappend disable_on_lock \
3276         {.vpane.lower.commarea.buttons.rescan conf -state}
3277
3278 ${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3279         -command do_add_all
3280 pack .vpane.lower.commarea.buttons.incall -side top -fill x
3281 lappend disable_on_lock \
3282         {.vpane.lower.commarea.buttons.incall conf -state}
3283
3284 if {![is_enabled nocommitmsg]} {
3285         ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3286                 -command do_signoff
3287         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3288 }
3289
3290 ${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3291         -command do_commit
3292 pack .vpane.lower.commarea.buttons.commit -side top -fill x
3293 lappend disable_on_lock \
3294         {.vpane.lower.commarea.buttons.commit conf -state}
3295
3296 if {![is_enabled nocommit]} {
3297         ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3298                 -command do_push_anywhere
3299         pack .vpane.lower.commarea.buttons.push -side top -fill x
3300 }
3301
3302 # -- Commit Message Buffer
3303 #
3304 ${NS}::frame .vpane.lower.commarea.buffer
3305 ${NS}::frame .vpane.lower.commarea.buffer.header
3306 set ui_comm .vpane.lower.commarea.buffer.t
3307 set ui_coml .vpane.lower.commarea.buffer.header.l
3308
3309 if {![is_enabled nocommit]} {
3310         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3311                 -text [mc "New Commit"] \
3312                 -command do_select_commit_type \
3313                 -variable selected_commit_type \
3314                 -value new
3315         lappend disable_on_lock \
3316                 [list .vpane.lower.commarea.buffer.header.new conf -state]
3317         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3318                 -text [mc "Amend Last Commit"] \
3319                 -command do_select_commit_type \
3320                 -variable selected_commit_type \
3321                 -value amend
3322         lappend disable_on_lock \
3323                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
3324 }
3325
3326 ${NS}::label $ui_coml \
3327         -anchor w \
3328         -justify left
3329 proc trace_commit_type {varname args} {
3330         global ui_coml commit_type
3331         switch -glob -- $commit_type {
3332         initial       {set txt [mc "Initial Commit Message:"]}
3333         amend         {set txt [mc "Amended Commit Message:"]}
3334         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3335         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3336         merge         {set txt [mc "Merge Commit Message:"]}
3337         *             {set txt [mc "Commit Message:"]}
3338         }
3339         $ui_coml conf -text $txt
3340 }
3341 trace add variable commit_type write trace_commit_type
3342 pack $ui_coml -side left -fill x
3343
3344 if {![is_enabled nocommit]} {
3345         pack .vpane.lower.commarea.buffer.header.amend -side right
3346         pack .vpane.lower.commarea.buffer.header.new -side right
3347 }
3348
3349 text $ui_comm -background white -foreground black \
3350         -borderwidth 1 \
3351         -undo true \
3352         -maxundo 20 \
3353         -autoseparators true \
3354         -relief sunken \
3355         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3356         -font font_diff \
3357         -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3358 ${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3359         -command [list $ui_comm yview]
3360 pack .vpane.lower.commarea.buffer.header -side top -fill x
3361 pack .vpane.lower.commarea.buffer.sby -side right -fill y
3362 pack $ui_comm -side left -fill y
3363 pack .vpane.lower.commarea.buffer -side left -fill y
3364
3365 # -- Commit Message Buffer Context Menu
3366 #
3367 set ctxm .vpane.lower.commarea.buffer.ctxm
3368 menu $ctxm -tearoff 0
3369 $ctxm add command \
3370         -label [mc Cut] \
3371         -command {tk_textCut $ui_comm}
3372 $ctxm add command \
3373         -label [mc Copy] \
3374         -command {tk_textCopy $ui_comm}
3375 $ctxm add command \
3376         -label [mc Paste] \
3377         -command {tk_textPaste $ui_comm}
3378 $ctxm add command \
3379         -label [mc Delete] \
3380         -command {catch {$ui_comm delete sel.first sel.last}}
3381 $ctxm add separator
3382 $ctxm add command \
3383         -label [mc "Select All"] \
3384         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3385 $ctxm add command \
3386         -label [mc "Copy All"] \
3387         -command {
3388                 $ui_comm tag add sel 0.0 end
3389                 tk_textCopy $ui_comm
3390                 $ui_comm tag remove sel 0.0 end
3391         }
3392 $ctxm add separator
3393 $ctxm add command \
3394         -label [mc "Sign Off"] \
3395         -command do_signoff
3396 set ui_comm_ctxm $ctxm
3397
3398 # -- Diff Header
3399 #
3400 proc trace_current_diff_path {varname args} {
3401         global current_diff_path diff_actions file_states
3402         if {$current_diff_path eq {}} {
3403                 set s {}
3404                 set f {}
3405                 set p {}
3406                 set o disabled
3407         } else {
3408                 set p $current_diff_path
3409                 set s [mapdesc [lindex $file_states($p) 0] $p]
3410                 set f [mc "File:"]
3411                 set p [escape_path $p]
3412                 set o normal
3413         }
3414
3415         .vpane.lower.diff.header.status configure -text $s
3416         .vpane.lower.diff.header.file configure -text $f
3417         .vpane.lower.diff.header.path configure -text $p
3418         foreach w $diff_actions {
3419                 uplevel #0 $w $o
3420         }
3421 }
3422 trace add variable current_diff_path write trace_current_diff_path
3423
3424 gold_frame .vpane.lower.diff.header
3425 tlabel .vpane.lower.diff.header.status \
3426         -background gold \
3427         -foreground black \
3428         -width $max_status_desc \
3429         -anchor w \
3430         -justify left
3431 tlabel .vpane.lower.diff.header.file \
3432         -background gold \
3433         -foreground black \
3434         -anchor w \
3435         -justify left
3436 tlabel .vpane.lower.diff.header.path \
3437         -background gold \
3438         -foreground black \
3439         -anchor w \
3440         -justify left
3441 pack .vpane.lower.diff.header.status -side left
3442 pack .vpane.lower.diff.header.file -side left
3443 pack .vpane.lower.diff.header.path -fill x
3444 set ctxm .vpane.lower.diff.header.ctxm
3445 menu $ctxm -tearoff 0
3446 $ctxm add command \
3447         -label [mc Copy] \
3448         -command {
3449                 clipboard clear
3450                 clipboard append \
3451                         -format STRING \
3452                         -type STRING \
3453                         -- $current_diff_path
3454         }
3455 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3456 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3457
3458 # -- Diff Body
3459 #
3460 ${NS}::frame .vpane.lower.diff.body
3461 set ui_diff .vpane.lower.diff.body.t
3462 text $ui_diff -background white -foreground black \
3463         -borderwidth 0 \
3464         -width 80 -height 5 -wrap none \
3465         -font font_diff \
3466         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3467         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3468         -state disabled
3469 catch {$ui_diff configure -tabstyle wordprocessor}
3470 ${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3471         -command [list $ui_diff xview]
3472 ${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3473         -command [list $ui_diff yview]
3474 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3475 pack .vpane.lower.diff.body.sby -side right -fill y
3476 pack $ui_diff -side left -fill both -expand 1
3477 pack .vpane.lower.diff.header -side top -fill x
3478 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3479
3480 foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3481         $ui_diff tag configure clr4$n -background $c
3482         $ui_diff tag configure clri4$n -foreground $c
3483         $ui_diff tag configure clr3$n -foreground $c
3484         $ui_diff tag configure clri3$n -background $c
3485 }
3486 $ui_diff tag configure clr1 -font font_diffbold
3487 $ui_diff tag configure clr4 -underline 1
3488
3489 $ui_diff tag conf d_info -foreground blue -font font_diffbold
3490
3491 $ui_diff tag conf d_cr -elide true
3492 $ui_diff tag conf d_@ -font font_diffbold
3493 $ui_diff tag conf d_+ -foreground {#00a000}
3494 $ui_diff tag conf d_- -foreground red
3495
3496 $ui_diff tag conf d_++ -foreground {#00a000}
3497 $ui_diff tag conf d_-- -foreground red
3498 $ui_diff tag conf d_+s \
3499         -foreground {#00a000} \
3500         -background {#e2effa}
3501 $ui_diff tag conf d_-s \
3502         -foreground red \
3503         -background {#e2effa}
3504 $ui_diff tag conf d_s+ \
3505         -foreground {#00a000} \
3506         -background ivory1
3507 $ui_diff tag conf d_s- \
3508         -foreground red \
3509         -background ivory1
3510
3511 $ui_diff tag conf d< \
3512         -foreground orange \
3513         -font font_diffbold
3514 $ui_diff tag conf d= \
3515         -foreground orange \
3516         -font font_diffbold
3517 $ui_diff tag conf d> \
3518         -foreground orange \
3519         -font font_diffbold
3520
3521 $ui_diff tag raise sel
3522
3523 # -- Diff Body Context Menu
3524 #
3525
3526 proc create_common_diff_popup {ctxm} {
3527         $ctxm add command \
3528                 -label [mc Refresh] \
3529                 -command reshow_diff
3530         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3531         $ctxm add command \
3532                 -label [mc Copy] \
3533                 -command {tk_textCopy $ui_diff}
3534         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3535         $ctxm add command \
3536                 -label [mc "Select All"] \
3537                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3538         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3539         $ctxm add command \
3540                 -label [mc "Copy All"] \
3541                 -command {
3542                         $ui_diff tag add sel 0.0 end
3543                         tk_textCopy $ui_diff
3544                         $ui_diff tag remove sel 0.0 end
3545                 }
3546         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3547         $ctxm add separator
3548         $ctxm add command \
3549                 -label [mc "Decrease Font Size"] \
3550                 -command {incr_font_size font_diff -1}
3551         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3552         $ctxm add command \
3553                 -label [mc "Increase Font Size"] \
3554                 -command {incr_font_size font_diff 1}
3555         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3556         $ctxm add separator
3557         set emenu $ctxm.enc
3558         menu $emenu
3559         build_encoding_menu $emenu [list force_diff_encoding]
3560         $ctxm add cascade \
3561                 -label [mc "Encoding"] \
3562                 -menu $emenu
3563         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3564         $ctxm add separator
3565         $ctxm add command -label [mc "Options..."] \
3566                 -command do_options
3567 }
3568
3569 set ctxm .vpane.lower.diff.body.ctxm
3570 menu $ctxm -tearoff 0
3571 $ctxm add command \
3572         -label [mc "Apply/Reverse Hunk"] \
3573         -command {apply_hunk $cursorX $cursorY}
3574 set ui_diff_applyhunk [$ctxm index last]
3575 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3576 $ctxm add command \
3577         -label [mc "Apply/Reverse Line"] \
3578         -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3579 set ui_diff_applyline [$ctxm index last]
3580 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3581 $ctxm add separator
3582 $ctxm add command \
3583         -label [mc "Show Less Context"] \
3584         -command show_less_context
3585 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3586 $ctxm add command \
3587         -label [mc "Show More Context"] \
3588         -command show_more_context
3589 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3590 $ctxm add separator
3591 create_common_diff_popup $ctxm
3592
3593 set ctxmmg .vpane.lower.diff.body.ctxmmg
3594 menu $ctxmmg -tearoff 0
3595 $ctxmmg add command \
3596         -label [mc "Run Merge Tool"] \
3597         -command {merge_resolve_tool}
3598 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3599 $ctxmmg add separator
3600 $ctxmmg add command \
3601         -label [mc "Use Remote Version"] \
3602         -command {merge_resolve_one 3}
3603 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3604 $ctxmmg add command \
3605         -label [mc "Use Local Version"] \
3606         -command {merge_resolve_one 2}
3607 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3608 $ctxmmg add command \
3609         -label [mc "Revert To Base"] \
3610         -command {merge_resolve_one 1}
3611 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3612 $ctxmmg add separator
3613 $ctxmmg add command \
3614         -label [mc "Show Less Context"] \
3615         -command show_less_context
3616 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3617 $ctxmmg add command \
3618         -label [mc "Show More Context"] \
3619         -command show_more_context
3620 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3621 $ctxmmg add separator
3622 create_common_diff_popup $ctxmmg
3623
3624 set ctxmsm .vpane.lower.diff.body.ctxmsm
3625 menu $ctxmsm -tearoff 0
3626 $ctxmsm add command \
3627         -label [mc "Visualize These Changes In The Submodule"] \
3628         -command {do_gitk -- true}
3629 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3630 $ctxmsm add command \
3631         -label [mc "Visualize Current Branch History In The Submodule"] \
3632         -command {do_gitk {} true}
3633 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3634 $ctxmsm add command \
3635         -label [mc "Visualize All Branch History In The Submodule"] \
3636         -command {do_gitk --all true}
3637 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3638 $ctxmsm add separator
3639 $ctxmsm add command \
3640         -label [mc "Start git gui In The Submodule"] \
3641         -command {do_git_gui}
3642 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3643 $ctxmsm add separator
3644 create_common_diff_popup $ctxmsm
3645
3646 proc has_textconv {path} {
3647         if {[is_config_false gui.textconv]} {
3648                 return 0
3649         }
3650         set filter [gitattr $path diff set]
3651         set textconv [get_config [join [list diff $filter textconv] .]]
3652         if {$filter ne {set} && $textconv ne {}} {
3653                 return 1
3654         } else {
3655                 return 0
3656         }
3657 }
3658
3659 proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3660         global current_diff_path file_states
3661         set ::cursorX $x
3662         set ::cursorY $y
3663         if {[info exists file_states($current_diff_path)]} {
3664                 set state [lindex $file_states($current_diff_path) 0]
3665         } else {
3666                 set state {__}
3667         }
3668         if {[string first {U} $state] >= 0} {
3669                 tk_popup $ctxmmg $X $Y
3670         } elseif {$::is_submodule_diff} {
3671                 tk_popup $ctxmsm $X $Y
3672         } else {
3673                 set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3674                 if {$::ui_index eq $::current_diff_side} {
3675                         set l [mc "Unstage Hunk From Commit"]
3676                         if {$has_range} {
3677                                 set t [mc "Unstage Lines From Commit"]
3678                         } else {
3679                                 set t [mc "Unstage Line From Commit"]
3680                         }
3681                 } else {
3682                         set l [mc "Stage Hunk For Commit"]
3683                         if {$has_range} {
3684                                 set t [mc "Stage Lines For Commit"]
3685                         } else {
3686                                 set t [mc "Stage Line For Commit"]
3687                         }
3688                 }
3689                 if {$::is_3way_diff
3690                         || $current_diff_path eq {}
3691                         || {__} eq $state
3692                         || {_O} eq $state
3693                         || [string match {?T} $state]
3694                         || [string match {T?} $state]
3695                         || [has_textconv $current_diff_path]} {
3696                         set s disabled
3697                 } else {
3698                         set s normal
3699                 }
3700                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3701                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3702                 tk_popup $ctxm $X $Y
3703         }
3704 }
3705 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3706
3707 # -- Status Bar
3708 #
3709 set main_status [::status_bar::new .status]
3710 pack .status -anchor w -side bottom -fill x
3711 $main_status show [mc "Initializing..."]
3712
3713 # -- Load geometry
3714 #
3715 proc on_ttk_pane_mapped {w pane pos} {
3716         bind $w <Map> {}
3717         after 0 [list after idle [list $w sashpos $pane $pos]]
3718 }
3719 proc on_tk_pane_mapped {w pane x y} {
3720         bind $w <Map> {}
3721         after 0 [list after idle [list $w sash place $pane $x $y]]
3722 }
3723 proc on_application_mapped {} {
3724         global repo_config use_ttk
3725         bind . <Map> {}
3726         set gm $repo_config(gui.geometry)
3727         if {$use_ttk} {
3728                 bind .vpane <Map> \
3729                     [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3730                 bind .vpane.files <Map> \
3731                     [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3732         } else {
3733                 bind .vpane <Map> \
3734                     [list on_tk_pane_mapped %W 0 \
3735                          [lindex $gm 1] \
3736                          [lindex [.vpane sash coord 0] 1]]
3737                 bind .vpane.files <Map> \
3738                     [list on_tk_pane_mapped %W 0 \
3739                          [lindex [.vpane.files sash coord 0] 0] \
3740                          [lindex $gm 2]]
3741         }
3742         wm geometry . [lindex $gm 0]
3743 }
3744 if {[info exists repo_config(gui.geometry)]} {
3745         bind . <Map> [list on_application_mapped]
3746         wm geometry . [lindex $repo_config(gui.geometry) 0]
3747 }
3748
3749 # -- Load window state
3750 #
3751 if {[info exists repo_config(gui.wmstate)]} {
3752         catch {wm state . $repo_config(gui.wmstate)}
3753 }
3754
3755 # -- Key Bindings
3756 #
3757 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3758 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3759 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3760 bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3761 bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3762 bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3763 bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3764 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3765 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3766 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3767 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3768 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3769 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3770 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3771 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3772 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3773 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3774 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3775 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3776 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3777 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3778 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3779
3780 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3781 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3782 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3783 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3784 bind $ui_diff <$M1B-Key-v> {break}
3785 bind $ui_diff <$M1B-Key-V> {break}
3786 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3787 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3788 bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3789 bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3790 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3791 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3792 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3793 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3794 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3795 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3796 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3797 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3798 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3799 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3800 bind $ui_diff <Button-1>   {focus %W}
3801
3802 if {[is_enabled branch]} {
3803         bind . <$M1B-Key-n> branch_create::dialog
3804         bind . <$M1B-Key-N> branch_create::dialog
3805         bind . <$M1B-Key-o> branch_checkout::dialog
3806         bind . <$M1B-Key-O> branch_checkout::dialog
3807         bind . <$M1B-Key-m> merge::dialog
3808         bind . <$M1B-Key-M> merge::dialog
3809 }
3810 if {[is_enabled transport]} {
3811         bind . <$M1B-Key-p> do_push_anywhere
3812         bind . <$M1B-Key-P> do_push_anywhere
3813 }
3814
3815 bind .   <Key-F5>     ui_do_rescan
3816 bind .   <$M1B-Key-r> ui_do_rescan
3817 bind .   <$M1B-Key-R> ui_do_rescan
3818 bind .   <$M1B-Key-s> do_signoff
3819 bind .   <$M1B-Key-S> do_signoff
3820 bind .   <$M1B-Key-t> do_add_selection
3821 bind .   <$M1B-Key-T> do_add_selection
3822 bind .   <$M1B-Key-u> do_unstage_selection
3823 bind .   <$M1B-Key-U> do_unstage_selection
3824 bind .   <$M1B-Key-j> do_revert_selection
3825 bind .   <$M1B-Key-J> do_revert_selection
3826 bind .   <$M1B-Key-i> do_add_all
3827 bind .   <$M1B-Key-I> do_add_all
3828 bind .   <$M1B-Key-minus> {show_less_context;break}
3829 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3830 bind .   <$M1B-Key-equal> {show_more_context;break}
3831 bind .   <$M1B-Key-plus> {show_more_context;break}
3832 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3833 bind .   <$M1B-Key-Return> do_commit
3834 foreach i [list $ui_index $ui_workdir] {
3835         bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3836         bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3837         bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3838 }
3839 unset i
3840
3841 set file_lists($ui_index) [list]
3842 set file_lists($ui_workdir) [list]
3843
3844 wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3845 focus -force $ui_comm
3846
3847 # -- Warn the user about environmental problems.  Cygwin's Tcl
3848 #    does *not* pass its env array onto any processes it spawns.
3849 #    This means that git processes get none of our environment.
3850 #
3851 if {[is_Cygwin]} {
3852         set ignored_env 0
3853         set suggest_user {}
3854         set msg [mc "Possible environment issues exist.
3855
3856 The following environment variables are probably
3857 going to be ignored by any Git subprocess run
3858 by %s:
3859
3860 " [appname]]
3861         foreach name [array names env] {
3862                 switch -regexp -- $name {
3863                 {^GIT_INDEX_FILE$} -
3864                 {^GIT_OBJECT_DIRECTORY$} -
3865                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3866                 {^GIT_DIFF_OPTS$} -
3867                 {^GIT_EXTERNAL_DIFF$} -
3868                 {^GIT_PAGER$} -
3869                 {^GIT_TRACE$} -
3870                 {^GIT_CONFIG$} -
3871                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3872                         append msg " - $name\n"
3873                         incr ignored_env
3874                 }
3875                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3876                         append msg " - $name\n"
3877                         incr ignored_env
3878                         set suggest_user $name
3879                 }
3880                 }
3881         }
3882         if {$ignored_env > 0} {
3883                 append msg [mc "
3884 This is due to a known issue with the
3885 Tcl binary distributed by Cygwin."]
3886
3887                 if {$suggest_user ne {}} {
3888                         append msg [mc "
3889
3890 A good replacement for %s
3891 is placing values for the user.name and
3892 user.email settings into your personal
3893 ~/.gitconfig file.
3894 " $suggest_user]
3895                 }
3896                 warn_popup $msg
3897         }
3898         unset ignored_env msg suggest_user name
3899 }
3900
3901 # -- Only initialize complex UI if we are going to stay running.
3902 #
3903 if {[is_enabled transport]} {
3904         load_all_remotes
3905
3906         set n [.mbar.remote index end]
3907         populate_remotes_menu
3908         set n [expr {[.mbar.remote index end] - $n}]
3909         if {$n > 0} {
3910                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3911                 .mbar.remote insert $n separator
3912         }
3913         unset n
3914 }
3915
3916 if {[winfo exists $ui_comm]} {
3917         set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3918
3919         # -- If both our backup and message files exist use the
3920         #    newer of the two files to initialize the buffer.
3921         #
3922         if {$GITGUI_BCK_exists} {
3923                 set m [gitdir GITGUI_MSG]
3924                 if {[file isfile $m]} {
3925                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3926                                 catch {file delete [gitdir GITGUI_MSG]}
3927                         } else {
3928                                 $ui_comm delete 0.0 end
3929                                 $ui_comm edit reset
3930                                 $ui_comm edit modified false
3931                                 catch {file delete [gitdir GITGUI_BCK]}
3932                                 set GITGUI_BCK_exists 0
3933                         }
3934                 }
3935                 unset m
3936         }
3937
3938         proc backup_commit_buffer {} {
3939                 global ui_comm GITGUI_BCK_exists
3940
3941                 set m [$ui_comm edit modified]
3942                 if {$m || $GITGUI_BCK_exists} {
3943                         set msg [string trim [$ui_comm get 0.0 end]]
3944                         regsub -all -line {[ \r\t]+$} $msg {} msg
3945
3946                         if {$msg eq {}} {
3947                                 if {$GITGUI_BCK_exists} {
3948                                         catch {file delete [gitdir GITGUI_BCK]}
3949                                         set GITGUI_BCK_exists 0
3950                                 }
3951                         } elseif {$m} {
3952                                 catch {
3953                                         set fd [open [gitdir GITGUI_BCK] w]
3954                                         fconfigure $fd -encoding utf-8
3955                                         puts -nonewline $fd $msg
3956                                         close $fd
3957                                         set GITGUI_BCK_exists 1
3958                                 }
3959                         }
3960
3961                         $ui_comm edit modified false
3962                 }
3963
3964                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3965         }
3966
3967         backup_commit_buffer
3968
3969         # -- If the user has aspell available we can drive it
3970         #    in pipe mode to spellcheck the commit message.
3971         #
3972         set spell_cmd [list |]
3973         set spell_dict [get_config gui.spellingdictionary]
3974         lappend spell_cmd aspell
3975         if {$spell_dict ne {}} {
3976                 lappend spell_cmd --master=$spell_dict
3977         }
3978         lappend spell_cmd --mode=none
3979         lappend spell_cmd --encoding=utf-8
3980         lappend spell_cmd pipe
3981         if {$spell_dict eq {none}
3982          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3983                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3984         } else {
3985                 set ui_comm_spell [spellcheck::init \
3986                         $spell_fd \
3987                         $ui_comm \
3988                         $ui_comm_ctxm \
3989                 ]
3990         }
3991         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3992 }
3993
3994 lock_index begin-read
3995 if {![winfo ismapped .]} {
3996         wm deiconify .
3997 }
3998 after 1 {
3999         if {[is_enabled initialamend]} {
4000                 force_amend
4001         } else {
4002                 do_rescan
4003         }
4004
4005         if {[is_enabled nocommitmsg]} {
4006                 $ui_comm configure -state disabled -background gray
4007         }
4008 }
4009 if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4010         after 1000 hint_gc
4011 }
4012 if {[is_enabled retcode]} {
4013         bind . <Destroy> {+terminate_me %W}
4014 }
4015 if {$picked && [is_config_true gui.autoexplore]} {
4016         do_explore
4017 }
4018
4019 # Local variables:
4020 # mode: tcl
4021 # indent-tabs-mode: t
4022 # tab-width: 4
4023 # End: