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