git-gui/git-gui.sh

   1 #!/bin/sh
   2 # Tcl ignores the next line -*- tcl -*- \
   3  if test "z$*" = zversion \
   4  || test "z$*" = z--version; \
   5  then \
   6         echo 'git-gui version @@GITGUI_VERSION@@'; \
   7         exit; \
   8  fi; \
   9  argv0=$0; \
  10  exec wish "$argv0" -- "$@"
  11
  12 set appvers {@@GITGUI_VERSION@@}
  13 set copyright [string map [list (c) \u00a9] {
  14 Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16 This program is free software; you can redistribute it and/or modify
  17 it under the terms of the GNU General Public License as published by
  18 the Free Software Foundation; either version 2 of the License, or
  19 (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30 ######################################################################
  31 ##
  32 ## Tcl/Tk sanity check
  33
  34 if {[catch {package require Tcl 8.4} err]
  35  || [catch {package require Tk  8.4} err]
  36 } {
  37         catch {wm withdraw .}
  38         tk_messageBox \
  39                 -icon error \
  40                 -type ok \
  41                 -title "git-gui: fatal error" \
  42                 -message $err
  43         exit 1
  44 }
  45
  46 catch {rename send {}} ; # What an evil concept...
  47
  48 ######################################################################
  49 ##
  50 ## locate our library
  51
  52 if { [info exists ::env(GIT_GUI_LIB_DIR) ] } {
  53         set oguilib $::env(GIT_GUI_LIB_DIR)
  54 } else {
  55         set oguilib {@@GITGUI_LIBDIR@@}
  56 }
  57 set oguirel {@@GITGUI_RELATIVE@@}
  58 if {$oguirel eq {1}} {
  59         set oguilib [file dirname [file normalize $argv0]]
  60         if {[file tail $oguilib] eq {git-core}} {
  61                 set oguilib [file dirname $oguilib]
  62         }
  63         set oguilib [file dirname $oguilib]
  64         set oguilib [file join $oguilib share git-gui lib]
  65         set oguimsg [file join $oguilib msgs]
  66 } elseif {[string match @@* $oguirel]} {
  67         set oguilib [file join [file dirname [file normalize $argv0]] lib]
  68         set oguimsg [file join [file dirname [file normalize $argv0]] po]
  69 } else {
  70         set oguimsg [file join $oguilib msgs]
  71 }
  72 unset oguirel
  73
  74 ######################################################################
  75 ##
  76 ## enable verbose loading?
  77
  78 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  79         unset _verbose
  80         rename auto_load real__auto_load
  81         proc auto_load {name args} {
  82                 puts stderr "auto_load $name"
  83                 return [uplevel 1 real__auto_load $name $args]
  84         }
  85         rename source real__source
  86         proc source {args} {
  87                 puts stderr "source    $args"
  88                 uplevel 1 [linsert $args 0 real__source]
  89         }
  90         if {[tk windowingsystem] eq "win32"} { console show }
  91 }
  92
  93 ######################################################################
  94 ##
  95 ## Internationalization (i18n) through msgcat and gettext. See
  96 ## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  97
  98 package require msgcat
  99
 100 # Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
 101 if {[tk windowingsystem] eq "win32"
 102         && [package vcompare [package provide msgcat] 1.4.4] < 0
 103 } then {
 104         proc _mc_update_locale {} {
 105                 set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 106                 if {![catch {
 107                         package require registry
 108                         set uilocale [registry get $key "PreferredUILanguages"]
 109                         msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 110                 } uilocale]} {
 111                         if {[string length $uilocale] > 0} {
 112                                 msgcat::mclocale $uilocale
 113                         }
 114                 }
 115         }
 116         _mc_update_locale
 117 }
 118
 119 proc _mc_trim {fmt} {
 120         set cmk [string first @@ $fmt]
 121         if {$cmk > 0} {
 122                 return [string range $fmt 0 [expr {$cmk - 1}]]
 123         }
 124         return $fmt
 125 }
 126
 127 proc mc {en_fmt args} {
 128         set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 129         if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 130                 set msg [eval [list format [_mc_trim $en_fmt]] $args]
 131         }
 132         return $msg
 133 }
 134
 135 proc strcat {args} {
 136         return [join $args {}]
 137 }
 138
 139 ::msgcat::mcload $oguimsg
 140 unset oguimsg
 141
 142 ######################################################################
 143 ##
 144 ## On Mac, bring the current Wish process window to front
 145
 146 if {[tk windowingsystem] eq "aqua"} {
 147         catch {
 148                 exec osascript -e [format {
 149                         tell application "System Events"
 150                                 set frontmost of processes whose unix id is %d to true
 151                         end tell
 152                 } [pid]]
 153         }
 154 }
 155
 156 ######################################################################
 157 ##
 158 ## read only globals
 159
 160 set _appname {Git Gui}
 161 set _gitdir {}
 162 set _gitworktree {}
 163 set _isbare {}
 164 set _gitexec {}
 165 set _githtmldir {}
 166 set _reponame {}
 167 set _iscygwin {}
 168 set _search_path {}
 169 set _shellpath {@@SHELL_PATH@@}
 170
 171 set _trace [lsearch -exact $argv --trace]
 172 if {$_trace >= 0} {
 173         set argv [lreplace $argv $_trace $_trace]
 174         set _trace 1
 175         if {[tk windowingsystem] eq "win32"} { console show }
 176 } else {
 177         set _trace 0
 178 }
 179
 180 # variable for the last merged branch (useful for a default when deleting
 181 # branches).
 182 set _last_merged_branch {}
 183
 184 proc shellpath {} {
 185         global _shellpath env
 186         if {[string match @@* $_shellpath]} {
 187                 if {[info exists env(SHELL)]} {
 188                         return $env(SHELL)
 189                 } else {
 190                         return /bin/sh
 191                 }
 192         }
 193         return $_shellpath
 194 }
 195
 196 proc appname {} {
 197         global _appname
 198         return $_appname
 199 }
 200
 201 proc gitdir {args} {
 202         global _gitdir
 203         if {$args eq {}} {
 204                 return $_gitdir
 205         }
 206         return [eval [list file join $_gitdir] $args]
 207 }
 208
 209 proc gitexec {args} {
 210         global _gitexec
 211         if {$_gitexec eq {}} {
 212                 if {[catch {set _gitexec [git --exec-path]} err]} {
 213                         error "Git not installed?\n\n$err"
 214                 }
 215                 if {[is_Cygwin]} {
 216                         set _gitexec [exec cygpath \
 217                                 --windows \
 218                                 --absolute \
 219                                 $_gitexec]
 220                 } else {
 221                         set _gitexec [file normalize $_gitexec]
 222                 }
 223         }
 224         if {$args eq {}} {
 225                 return $_gitexec
 226         }
 227         return [eval [list file join $_gitexec] $args]
 228 }
 229
 230 proc githtmldir {args} {
 231         global _githtmldir
 232         if {$_githtmldir eq {}} {
 233                 if {[catch {set _githtmldir [git --html-path]}]} {
 234                         # Git not installed or option not yet supported
 235                         return {}
 236                 }
 237                 if {[is_Cygwin]} {
 238                         set _githtmldir [exec cygpath \
 239                                 --windows \
 240                                 --absolute \
 241                                 $_githtmldir]
 242                 } else {
 243                         set _githtmldir [file normalize $_githtmldir]
 244                 }
 245         }
 246         if {$args eq {}} {
 247                 return $_githtmldir
 248         }
 249         return [eval [list file join $_githtmldir] $args]
 250 }
 251
 252 proc reponame {} {
 253         return $::_reponame
 254 }
 255
 256 proc is_MacOSX {} {
 257         if {[tk windowingsystem] eq {aqua}} {
 258                 return 1
 259         }
 260         return 0
 261 }
 262
 263 proc is_Windows {} {
 264         if {$::tcl_platform(platform) eq {windows}} {
 265                 return 1
 266         }
 267         return 0
 268 }
 269
 270 proc is_Cygwin {} {
 271         global _iscygwin
 272         if {$_iscygwin eq {}} {
 273                 if {$::tcl_platform(platform) eq {windows}} {
 274                         if {[catch {set p [exec cygpath --windir]} err]} {
 275                                 set _iscygwin 0
 276                         } else {
 277                                 set _iscygwin 1
 278                                 # Handle MSys2 which is only cygwin when MSYSTEM is MSYS.
 279                                 if {[info exists ::env(MSYSTEM)] && $::env(MSYSTEM) ne "MSYS"} {
 280                                         set _iscygwin 0
 281                                 }
 282                         }
 283                 } else {
 284                         set _iscygwin 0
 285                 }
 286         }
 287         return $_iscygwin
 288 }
 289
 290 proc is_enabled {option} {
 291         global enabled_options
 292         if {[catch {set on $enabled_options($option)}]} {return 0}
 293         return $on
 294 }
 295
 296 proc enable_option {option} {
 297         global enabled_options
 298         set enabled_options($option) 1
 299 }
 300
 301 proc disable_option {option} {
 302         global enabled_options
 303         set enabled_options($option) 0
 304 }
 305
 306 ######################################################################
 307 ##
 308 ## config
 309
 310 proc is_many_config {name} {
 311         switch -glob -- $name {
 312         gui.recentrepo -
 313         remote.*.fetch -
 314         remote.*.push
 315                 {return 1}
 316         *
 317                 {return 0}
 318         }
 319 }
 320
 321 proc is_config_true {name} {
 322         global repo_config
 323         if {[catch {set v $repo_config($name)}]} {
 324                 return 0
 325         }
 326         set v [string tolower $v]
 327         if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 328                 return 1
 329         } else {
 330                 return 0
 331         }
 332 }
 333
 334 proc is_config_false {name} {
 335         global repo_config
 336         if {[catch {set v $repo_config($name)}]} {
 337                 return 0
 338         }
 339         set v [string tolower $v]
 340         if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 341                 return 1
 342         } else {
 343                 return 0
 344         }
 345 }
 346
 347 proc get_config {name} {
 348         global repo_config
 349         if {[catch {set v $repo_config($name)}]} {
 350                 return {}
 351         } else {
 352                 return $v
 353         }
 354 }
 355
 356 proc is_bare {} {
 357         global _isbare
 358         global _gitdir
 359         global _gitworktree
 360
 361         if {$_isbare eq {}} {
 362                 if {[catch {
 363                         set _bare [git rev-parse --is-bare-repository]
 364                         switch  -- $_bare {
 365                         true { set _isbare 1 }
 366                         false { set _isbare 0}
 367                         default { throw }
 368                         }
 369                 }]} {
 370                         if {[is_config_true core.bare]
 371                                 || ($_gitworktree eq {}
 372                                         && [lindex [file split $_gitdir] end] ne {.git})} {
 373                                 set _isbare 1
 374                         } else {
 375                                 set _isbare 0
 376                         }
 377                 }
 378         }
 379         return $_isbare
 380 }
 381
 382 ######################################################################
 383 ##
 384 ## handy utils
 385
 386 proc _trace_exec {cmd} {
 387         if {!$::_trace} return
 388         set d {}
 389         foreach v $cmd {
 390                 if {$d ne {}} {
 391                         append d { }
 392                 }
 393                 if {[regexp {[ \t\r\n'"$?*]} $v]} {
 394                         set v [sq $v]
 395                 }
 396                 append d $v
 397         }
 398         puts stderr $d
 399 }
 400
 401 #'"  fix poor old emacs font-lock mode
 402
 403 proc _git_cmd {name} {
 404         global _git_cmd_path
 405
 406         if {[catch {set v $_git_cmd_path($name)}]} {
 407                 switch -- $name {
 408                   version   -
 409                 --version   -
 410                 --exec-path { return [list $::_git $name] }
 411                 }
 412
 413                 set p [gitexec git-$name$::_search_exe]
 414                 if {[file exists $p]} {
 415                         set v [list $p]
 416                 } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 417                         # Try to determine what sort of magic will make
 418                         # git-$name go and do its thing, because native
 419                         # Tcl on Windows doesn't know it.
 420                         #
 421                         set p [gitexec git-$name]
 422                         set f [open $p r]
 423                         set s [gets $f]
 424                         close $f
 425
 426                         switch -glob -- [lindex $s 0] {
 427                         #!*sh     { set i sh     }
 428                         #!*perl   { set i perl   }
 429                         #!*python { set i python }
 430                         default   { error "git-$name is not supported: $s" }
 431                         }
 432
 433                         upvar #0 _$i interp
 434                         if {![info exists interp]} {
 435                                 set interp [_which $i]
 436                         }
 437                         if {$interp eq {}} {
 438                                 error "git-$name requires $i (not in PATH)"
 439                         }
 440                         set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 441                 } else {
 442                         # Assume it is builtin to git somehow and we
 443                         # aren't actually able to see a file for it.
 444                         #
 445                         set v [list $::_git $name]
 446                 }
 447                 set _git_cmd_path($name) $v
 448         }
 449         return $v
 450 }
 451
 452 proc _which {what args} {
 453         global env _search_exe _search_path
 454
 455         if {$_search_path eq {}} {
 456                 if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 457                         set _search_path [split [exec cygpath \
 458                                 --windows \
 459                                 --path \
 460                                 --absolute \
 461                                 $env(PATH)] {;}]
 462                         set _search_exe .exe
 463                 } elseif {[is_Windows]} {
 464                         set gitguidir [file dirname [info script]]
 465                         regsub -all ";" $gitguidir "\\;" gitguidir
 466                         set env(PATH) "$gitguidir;$env(PATH)"
 467                         set _search_path [split $env(PATH) {;}]
 468                         set _search_exe .exe
 469                 } else {
 470                         set _search_path [split $env(PATH) :]
 471                         set _search_exe {}
 472                 }
 473         }
 474
 475         if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 476                 set suffix {}
 477         } else {
 478                 set suffix $_search_exe
 479         }
 480
 481         foreach p $_search_path {
 482                 set p [file join $p $what$suffix]
 483                 if {[file exists $p]} {
 484                         return [file normalize $p]
 485                 }
 486         }
 487         return {}
 488 }
 489
 490 # Test a file for a hashbang to identify executable scripts on Windows.
 491 proc is_shellscript {filename} {
 492         if {![file exists $filename]} {return 0}
 493         set f [open $filename r]
 494         fconfigure $f -encoding binary
 495         set magic [read $f 2]
 496         close $f
 497         return [expr {$magic eq "#!"}]
 498 }
 499
 500 # Run a command connected via pipes on stdout.
 501 # This is for use with textconv filters and uses sh -c "..." to allow it to
 502 # contain a command with arguments. On windows we must check for shell
 503 # scripts specifically otherwise just call the filter command.
 504 proc open_cmd_pipe {cmd path} {
 505         global env
 506         if {![file executable [shellpath]]} {
 507                 set exe [auto_execok [lindex $cmd 0]]
 508                 if {[is_shellscript [lindex $exe 0]]} {
 509                         set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 510                 } else {
 511                         set run [concat $exe [lrange $cmd 1 end] $path]
 512                 }
 513         } else {
 514                 set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 515         }
 516         return [open |$run r]
 517 }
 518
 519 proc _lappend_nice {cmd_var} {
 520         global _nice
 521         upvar $cmd_var cmd
 522
 523         if {![info exists _nice]} {
 524                 set _nice [_which nice]
 525                 if {[catch {exec $_nice git version}]} {
 526                         set _nice {}
 527                 } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 528                         set _nice {}
 529                 }
 530         }
 531         if {$_nice ne {}} {
 532                 lappend cmd $_nice
 533         }
 534 }
 535
 536 proc git {args} {
 537         set fd [eval [list git_read] $args]
 538         fconfigure $fd -translation binary -encoding utf-8
 539         set result [string trimright [read $fd] "\n"]
 540         close $fd
 541         if {$::_trace} {
 542                 puts stderr "< $result"
 543         }
 544         return $result
 545 }
 546
 547 proc _open_stdout_stderr {cmd} {
 548         _trace_exec $cmd
 549         if {[catch {
 550                         set fd [open [concat [list | ] $cmd] r]
 551                 } err]} {
 552                 if {   [lindex $cmd end] eq {2>@1}
 553                     && $err eq {can not find channel named "1"}
 554                         } {
 555                         # Older versions of Tcl 8.4 don't have this 2>@1 IO
 556                         # redirect operator.  Fallback to |& cat for those.
 557                         # The command was not actually started, so its safe
 558                         # to try to start it a second time.
 559                         #
 560                         set fd [open [concat \
 561                                 [list | ] \
 562                                 [lrange $cmd 0 end-1] \
 563                                 [list |& cat] \
 564                                 ] r]
 565                 } else {
 566                         error $err
 567                 }
 568         }
 569         fconfigure $fd -eofchar {}
 570         return $fd
 571 }
 572
 573 proc git_read {args} {
 574         set opt [list]
 575
 576         while {1} {
 577                 switch -- [lindex $args 0] {
 578                 --nice {
 579                         _lappend_nice opt
 580                 }
 581
 582                 --stderr {
 583                         lappend args 2>@1
 584                 }
 585
 586                 default {
 587                         break
 588                 }
 589
 590                 }
 591
 592                 set args [lrange $args 1 end]
 593         }
 594
 595         set cmdp [_git_cmd [lindex $args 0]]
 596         set args [lrange $args 1 end]
 597
 598         return [_open_stdout_stderr [concat $opt $cmdp $args]]
 599 }
 600
 601 proc git_write {args} {
 602         set opt [list]
 603
 604         while {1} {
 605                 switch -- [lindex $args 0] {
 606                 --nice {
 607                         _lappend_nice opt
 608                 }
 609
 610                 default {
 611                         break
 612                 }
 613
 614                 }
 615
 616                 set args [lrange $args 1 end]
 617         }
 618
 619         set cmdp [_git_cmd [lindex $args 0]]
 620         set args [lrange $args 1 end]
 621
 622         _trace_exec [concat $opt $cmdp $args]
 623         return [open [concat [list | ] $opt $cmdp $args] w]
 624 }
 625
 626 proc githook_read {hook_name args} {
 627         set pchook [gitdir hooks $hook_name]
 628         lappend args 2>@1
 629
 630         # On Windows [file executable] might lie so we need to ask
 631         # the shell if the hook is executable.  Yes that's annoying.
 632         #
 633         if {[is_Windows]} {
 634                 upvar #0 _sh interp
 635                 if {![info exists interp]} {
 636                         set interp [_which sh]
 637                 }
 638                 if {$interp eq {}} {
 639                         error "hook execution requires sh (not in PATH)"
 640                 }
 641
 642                 set scr {if test -x "$1";then exec "$@";fi}
 643                 set sh_c [list $interp -c $scr $interp $pchook]
 644                 return [_open_stdout_stderr [concat $sh_c $args]]
 645         }
 646
 647         if {[file executable $pchook]} {
 648                 return [_open_stdout_stderr [concat [list $pchook] $args]]
 649         }
 650
 651         return {}
 652 }
 653
 654 proc kill_file_process {fd} {
 655         set process [pid $fd]
 656
 657         catch {
 658                 if {[is_Windows]} {
 659                         exec taskkill /pid $process
 660                 } else {
 661                         exec kill $process
 662                 }
 663         }
 664 }
 665
 666 proc gitattr {path attr default} {
 667         if {[catch {set r [git check-attr $attr -- $path]}]} {
 668                 set r unspecified
 669         } else {
 670                 set r [join [lrange [split $r :] 2 end] :]
 671                 regsub {^ } $r {} r
 672         }
 673         if {$r eq {unspecified}} {
 674                 return $default
 675         }
 676         return $r
 677 }
 678
 679 proc sq {value} {
 680         regsub -all ' $value "'\\''" value
 681         return "'$value'"
 682 }
 683
 684 proc load_current_branch {} {
 685         global current_branch is_detached
 686
 687         set fd [open [gitdir HEAD] r]
 688         if {[gets $fd ref] < 1} {
 689                 set ref {}
 690         }
 691         close $fd
 692
 693         set pfx {ref: refs/heads/}
 694         set len [string length $pfx]
 695         if {[string equal -length $len $pfx $ref]} {
 696                 # We're on a branch.  It might not exist.  But
 697                 # HEAD looks good enough to be a branch.
 698                 #
 699                 set current_branch [string range $ref $len end]
 700                 set is_detached 0
 701         } else {
 702                 # Assume this is a detached head.
 703                 #
 704                 set current_branch HEAD
 705                 set is_detached 1
 706         }
 707 }
 708
 709 auto_load tk_optionMenu
 710 rename tk_optionMenu real__tkOptionMenu
 711 proc tk_optionMenu {w varName args} {
 712         set m [eval real__tkOptionMenu $w $varName $args]
 713         $m configure -font font_ui
 714         $w configure -font font_ui
 715         return $m
 716 }
 717
 718 proc rmsel_tag {text} {
 719         $text tag conf sel \
 720                 -background [$text cget -background] \
 721                 -foreground [$text cget -foreground] \
 722                 -borderwidth 0
 723         $text tag conf in_sel -background lightgray
 724         bind $text <Motion> break
 725         return $text
 726 }
 727
 728 wm withdraw .
 729 set root_exists 0
 730 bind . <Visibility> {
 731         bind . <Visibility> {}
 732         set root_exists 1
 733 }
 734
 735 if {[is_Windows]} {
 736         wm iconbitmap . -default $oguilib/git-gui.ico
 737         set ::tk::AlwaysShowSelection 1
 738         bind . <Control-F2> {console show}
 739
 740         # Spoof an X11 display for SSH
 741         if {![info exists env(DISPLAY)]} {
 742                 set env(DISPLAY) :9999
 743         }
 744 } else {
 745         catch {
 746                 image create photo gitlogo -width 16 -height 16
 747
 748                 gitlogo put #33CC33 -to  7  0  9  2
 749                 gitlogo put #33CC33 -to  4  2 12  4
 750                 gitlogo put #33CC33 -to  7  4  9  6
 751                 gitlogo put #CC3333 -to  4  6 12  8
 752                 gitlogo put gray26  -to  4  9  6 10
 753                 gitlogo put gray26  -to  3 10  6 12
 754                 gitlogo put gray26  -to  8  9 13 11
 755                 gitlogo put gray26  -to  8 11 10 12
 756                 gitlogo put gray26  -to 11 11 13 14
 757                 gitlogo put gray26  -to  3 12  5 14
 758                 gitlogo put gray26  -to  5 13
 759                 gitlogo put gray26  -to 10 13
 760                 gitlogo put gray26  -to  4 14 12 15
 761                 gitlogo put gray26  -to  5 15 11 16
 762                 gitlogo redither
 763
 764                 image create photo gitlogo32 -width 32 -height 32
 765                 gitlogo32 copy gitlogo -zoom 2 2
 766
 767                 wm iconphoto . -default gitlogo gitlogo32
 768         }
 769 }
 770
 771 ######################################################################
 772 ##
 773 ## config defaults
 774
 775 set cursor_ptr arrow
 776 font create font_ui
 777 if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 778         eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 779         eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 780 } else {
 781         font create font_diff -family Courier -size 10
 782         catch {
 783                 label .dummy
 784                 eval font configure font_ui [font actual [.dummy cget -font]]
 785                 destroy .dummy
 786         }
 787 }
 788
 789 font create font_uiitalic
 790 font create font_uibold
 791 font create font_diffbold
 792 font create font_diffitalic
 793
 794 foreach class {Button Checkbutton Entry Label
 795                 Labelframe Listbox Message
 796                 Radiobutton Spinbox Text} {
 797         option add *$class.font font_ui
 798 }
 799 if {![is_MacOSX]} {
 800         option add *Menu.font font_ui
 801         option add *Entry.borderWidth 1 startupFile
 802         option add *Entry.relief sunken startupFile
 803         option add *RadioButton.anchor w startupFile
 804 }
 805 unset class
 806
 807 if {[is_Windows] || [is_MacOSX]} {
 808         option add *Menu.tearOff 0
 809 }
 810
 811 if {[is_MacOSX]} {
 812         set M1B M1
 813         set M1T Cmd
 814 } else {
 815         set M1B Control
 816         set M1T Ctrl
 817 }
 818
 819 proc bind_button3 {w cmd} {
 820         bind $w <Any-Button-3> $cmd
 821         if {[is_MacOSX]} {
 822                 # Mac OS X sends Button-2 on right click through three-button mouse,
 823                 # or through trackpad right-clicking (two-finger touch + click).
 824                 bind $w <Any-Button-2> $cmd
 825                 bind $w <Control-Button-1> $cmd
 826         }
 827 }
 828
 829 proc apply_config {} {
 830         global repo_config font_descs
 831
 832         foreach option $font_descs {
 833                 set name [lindex $option 0]
 834                 set font [lindex $option 1]
 835                 if {[catch {
 836                         set need_weight 1
 837                         foreach {cn cv} $repo_config(gui.$name) {
 838                                 if {$cn eq {-weight}} {
 839                                         set need_weight 0
 840                                 }
 841                                 font configure $font $cn $cv
 842                         }
 843                         if {$need_weight} {
 844                                 font configure $font -weight normal
 845                         }
 846                         } err]} {
 847                         error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 848                 }
 849                 foreach {cn cv} [font configure $font] {
 850                         font configure ${font}bold $cn $cv
 851                         font configure ${font}italic $cn $cv
 852                 }
 853                 font configure ${font}bold -weight bold
 854                 font configure ${font}italic -slant italic
 855         }
 856
 857         global use_ttk NS
 858         set use_ttk 0
 859         set NS {}
 860         if {$repo_config(gui.usettk)} {
 861                 set use_ttk [package vsatisfies [package provide Tk] 8.5]
 862                 if {$use_ttk} {
 863                         set NS ttk
 864                         bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 865                         pave_toplevel .
 866                 }
 867         }
 868 }
 869
 870 set default_config(branch.autosetupmerge) true
 871 set default_config(merge.tool) {}
 872 set default_config(mergetool.keepbackup) true
 873 set default_config(merge.diffstat) true
 874 set default_config(merge.summary) false
 875 set default_config(merge.verbosity) 2
 876 set default_config(user.name) {}
 877 set default_config(user.email) {}
 878
 879 set default_config(gui.encoding) [encoding system]
 880 set default_config(gui.matchtrackingbranch) false
 881 set default_config(gui.textconv) true
 882 set default_config(gui.pruneduringfetch) false
 883 set default_config(gui.trustmtime) false
 884 set default_config(gui.fastcopyblame) false
 885 set default_config(gui.maxrecentrepo) 10
 886 set default_config(gui.copyblamethreshold) 40
 887 set default_config(gui.blamehistoryctx) 7
 888 set default_config(gui.diffcontext) 5
 889 set default_config(gui.diffopts) {}
 890 set default_config(gui.commitmsgwidth) 75
 891 set default_config(gui.newbranchtemplate) {}
 892 set default_config(gui.spellingdictionary) {}
 893 set default_config(gui.fontui) [font configure font_ui]
 894 set default_config(gui.fontdiff) [font configure font_diff]
 895 # TODO: this option should be added to the git-config documentation
 896 set default_config(gui.maxfilesdisplayed) 5000
 897 set default_config(gui.usettk) 1
 898 set default_config(gui.warndetachedcommit) 1
 899 set default_config(gui.tabsize) 8
 900 set font_descs {
 901         {fontui   font_ui   {mc "Main Font"}}
 902         {fontdiff font_diff {mc "Diff/Console Font"}}
 903 }
 904 set default_config(gui.stageuntracked) ask
 905 set default_config(gui.displayuntracked) true
 906
 907 ######################################################################
 908 ##
 909 ## find git
 910
 911 set _git  [_which git]
 912 if {$_git eq {}} {
 913         catch {wm withdraw .}
 914         tk_messageBox \
 915                 -icon error \
 916                 -type ok \
 917                 -title [mc "git-gui: fatal error"] \
 918                 -message [mc "Cannot find git in PATH."]
 919         exit 1
 920 }
 921
 922 ######################################################################
 923 ##
 924 ## version check
 925
 926 if {[catch {set _git_version [git --version]} err]} {
 927         catch {wm withdraw .}
 928         tk_messageBox \
 929                 -icon error \
 930                 -type ok \
 931                 -title [mc "git-gui: fatal error"] \
 932                 -message "Cannot determine Git version:
 933
 934 $err
 935
 936 [appname] requires Git 1.5.0 or later."
 937         exit 1
 938 }
 939 if {![regsub {^git version } $_git_version {} _git_version]} {
 940         catch {wm withdraw .}
 941         tk_messageBox \
 942                 -icon error \
 943                 -type ok \
 944                 -title [mc "git-gui: fatal error"] \
 945                 -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 946         exit 1
 947 }
 948
 949 proc get_trimmed_version {s} {
 950     set r {}
 951     foreach x [split $s -._] {
 952         if {[string is integer -strict $x]} {
 953             lappend r $x
 954         } else {
 955             break
 956         }
 957     }
 958     return [join $r .]
 959 }
 960 set _real_git_version $_git_version
 961 set _git_version [get_trimmed_version $_git_version]
 962
 963 if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 964         catch {wm withdraw .}
 965         if {[tk_messageBox \
 966                 -icon warning \
 967                 -type yesno \
 968                 -default no \
 969                 -title "[appname]: warning" \
 970                  -message [mc "Git version cannot be determined.
 971
 972 %s claims it is version '%s'.
 973
 974 %s requires at least Git 1.5.0 or later.
 975
 976 Assume '%s' is version 1.5.0?
 977 " $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 978                 set _git_version 1.5.0
 979         } else {
 980                 exit 1
 981         }
 982 }
 983 unset _real_git_version
 984
 985 proc git-version {args} {
 986         global _git_version
 987
 988         switch [llength $args] {
 989         0 {
 990                 return $_git_version
 991         }
 992
 993         2 {
 994                 set op [lindex $args 0]
 995                 set vr [lindex $args 1]
 996                 set cm [package vcompare $_git_version $vr]
 997                 return [expr $cm $op 0]
 998         }
 999
1000         4 {
1001                 set type [lindex $args 0]
1002                 set name [lindex $args 1]
1003                 set parm [lindex $args 2]
1004                 set body [lindex $args 3]
1005
1006                 if {($type ne {proc} && $type ne {method})} {
1007                         error "Invalid arguments to git-version"
1008                 }
1009                 if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1010                         error "Last arm of $type $name must be default"
1011                 }
1012
1013                 foreach {op vr cb} [lrange $body 0 end-2] {
1014                         if {[git-version $op $vr]} {
1015                                 return [uplevel [list $type $name $parm $cb]]
1016                         }
1017                 }
1018
1019                 return [uplevel [list $type $name $parm [lindex $body end]]]
1020         }
1021
1022         default {
1023                 error "git-version >= x"
1024         }
1025
1026         }
1027 }
1028
1029 if {[git-version < 1.5]} {
1030         catch {wm withdraw .}
1031         tk_messageBox \
1032                 -icon error \
1033                 -type ok \
1034                 -title [mc "git-gui: fatal error"] \
1035                 -message "[appname] requires Git 1.5.0 or later.
1036
1037 You are using [git-version]:
1038
1039 [git --version]"
1040         exit 1
1041 }
1042
1043 ######################################################################
1044 ##
1045 ## configure our library
1046
1047 set idx [file join $oguilib tclIndex]
1048 if {[catch {set fd [open $idx r]} err]} {
1049         catch {wm withdraw .}
1050         tk_messageBox \
1051                 -icon error \
1052                 -type ok \
1053                 -title [mc "git-gui: fatal error"] \
1054                 -message $err
1055         exit 1
1056 }
1057 if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1058         set idx [list]
1059         while {[gets $fd n] >= 0} {
1060                 if {$n ne {} && ![string match #* $n]} {
1061                         lappend idx $n
1062                 }
1063         }
1064 } else {
1065         set idx {}
1066 }
1067 close $fd
1068
1069 if {$idx ne {}} {
1070         set loaded [list]
1071         foreach p $idx {
1072                 if {[lsearch -exact $loaded $p] >= 0} continue
1073                 source [file join $oguilib $p]
1074                 lappend loaded $p
1075         }
1076         unset loaded p
1077 } else {
1078         set auto_path [concat [list $oguilib] $auto_path]
1079 }
1080 unset -nocomplain idx fd
1081
1082 ######################################################################
1083 ##
1084 ## config file parsing
1085
1086 git-version proc _parse_config {arr_name args} {
1087         >= 1.5.3 {
1088                 upvar $arr_name arr
1089                 array unset arr
1090                 set buf {}
1091                 catch {
1092                         set fd_rc [eval \
1093                                 [list git_read config] \
1094                                 $args \
1095                                 [list --null --list]]
1096                         fconfigure $fd_rc -translation binary -encoding utf-8
1097                         set buf [read $fd_rc]
1098                         close $fd_rc
1099                 }
1100                 foreach line [split $buf "\0"] {
1101                         if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1102                                 if {[is_many_config $name]} {
1103                                         lappend arr($name) $value
1104                                 } else {
1105                                         set arr($name) $value
1106                                 }
1107                         } elseif {[regexp {^([^\n]+)$} $line line name]} {
1108                                 # no value given, but interpreting them as
1109                                 # boolean will be handled as true
1110                                 set arr($name) {}
1111                         }
1112                 }
1113         }
1114         default {
1115                 upvar $arr_name arr
1116                 array unset arr
1117                 catch {
1118                         set fd_rc [eval [list git_read config --list] $args]
1119                         while {[gets $fd_rc line] >= 0} {
1120                                 if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1121                                         if {[is_many_config $name]} {
1122                                                 lappend arr($name) $value
1123                                         } else {
1124                                                 set arr($name) $value
1125                                         }
1126                                 } elseif {[regexp {^([^=]+)$} $line line name]} {
1127                                         # no value given, but interpreting them as
1128                                         # boolean will be handled as true
1129                                         set arr($name) {}
1130                                 }
1131                         }
1132                         close $fd_rc
1133                 }
1134         }
1135 }
1136
1137 proc load_config {include_global} {
1138         global repo_config global_config system_config default_config
1139
1140         if {$include_global} {
1141                 _parse_config system_config --system
1142                 _parse_config global_config --global
1143         }
1144         _parse_config repo_config
1145
1146         foreach name [array names default_config] {
1147                 if {[catch {set v $system_config($name)}]} {
1148                         set system_config($name) $default_config($name)
1149                 }
1150         }
1151         foreach name [array names system_config] {
1152                 if {[catch {set v $global_config($name)}]} {
1153                         set global_config($name) $system_config($name)
1154                 }
1155                 if {[catch {set v $repo_config($name)}]} {
1156                         set repo_config($name) $system_config($name)
1157                 }
1158         }
1159 }
1160
1161 ######################################################################
1162 ##
1163 ## feature option selection
1164
1165 if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1166         unset _junk
1167 } else {
1168         set subcommand gui
1169 }
1170 if {$subcommand eq {gui.sh}} {
1171         set subcommand gui
1172 }
1173 if {$subcommand eq {gui} && [llength $argv] > 0} {
1174         set subcommand [lindex $argv 0]
1175         set argv [lrange $argv 1 end]
1176 }
1177
1178 enable_option multicommit
1179 enable_option branch
1180 enable_option transport
1181 disable_option bare
1182
1183 switch -- $subcommand {
1184 browser -
1185 blame {
1186         enable_option bare
1187
1188         disable_option multicommit
1189         disable_option branch
1190         disable_option transport
1191 }
1192 citool {
1193         enable_option singlecommit
1194         enable_option retcode
1195
1196         disable_option multicommit
1197         disable_option branch
1198         disable_option transport
1199
1200         while {[llength $argv] > 0} {
1201                 set a [lindex $argv 0]
1202                 switch -- $a {
1203                 --amend {
1204                         enable_option initialamend
1205                 }
1206                 --nocommit {
1207                         enable_option nocommit
1208                         enable_option nocommitmsg
1209                 }
1210                 --commitmsg {
1211                         disable_option nocommitmsg
1212                 }
1213                 default {
1214                         break
1215                 }
1216                 }
1217
1218                 set argv [lrange $argv 1 end]
1219         }
1220 }
1221 }
1222
1223 ######################################################################
1224 ##
1225 ## execution environment
1226
1227 set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1228
1229 # Suggest our implementation of askpass, if none is set
1230 if {![info exists env(SSH_ASKPASS)]} {
1231         set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1232 }
1233
1234 ######################################################################
1235 ##
1236 ## repository setup
1237
1238 set picked 0
1239 if {[catch {
1240                 set _gitdir $env(GIT_DIR)
1241                 set _prefix {}
1242                 }]
1243         && [catch {
1244                 # beware that from the .git dir this sets _gitdir to .
1245                 # and _prefix to the empty string
1246                 set _gitdir [git rev-parse --git-dir]
1247                 set _prefix [git rev-parse --show-prefix]
1248         } err]} {
1249         load_config 1
1250         apply_config
1251         choose_repository::pick
1252         set picked 1
1253 }
1254
1255 # we expand the _gitdir when it's just a single dot (i.e. when we're being
1256 # run from the .git dir itself) lest the routines to find the worktree
1257 # get confused
1258 if {$_gitdir eq "."} {
1259         set _gitdir [pwd]
1260 }
1261
1262 if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1263         catch {set _gitdir [exec cygpath --windows $_gitdir]}
1264 }
1265 if {![file isdirectory $_gitdir]} {
1266         catch {wm withdraw .}
1267         error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1268         exit 1
1269 }
1270 # _gitdir exists, so try loading the config
1271 load_config 0
1272 apply_config
1273
1274 # v1.7.0 introduced --show-toplevel to return the canonical work-tree
1275 if {[package vcompare $_git_version 1.7.0] >= 0} {
1276         if { [is_Cygwin] } {
1277                 catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1278         } else {
1279                 set _gitworktree [git rev-parse --show-toplevel]
1280         }
1281 } else {
1282         # try to set work tree from environment, core.worktree or use
1283         # cdup to obtain a relative path to the top of the worktree. If
1284         # run from the top, the ./ prefix ensures normalize expands pwd.
1285         if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1286                 set _gitworktree [get_config core.worktree]
1287                 if {$_gitworktree eq ""} {
1288                         set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1289                 }
1290         }
1291 }
1292
1293 if {$_prefix ne {}} {
1294         if {$_gitworktree eq {}} {
1295                 regsub -all {[^/]+/} $_prefix ../ cdup
1296         } else {
1297                 set cdup $_gitworktree
1298         }
1299         if {[catch {cd $cdup} err]} {
1300                 catch {wm withdraw .}
1301                 error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1302                 exit 1
1303         }
1304         set _gitworktree [pwd]
1305         unset cdup
1306 } elseif {![is_enabled bare]} {
1307         if {[is_bare]} {
1308                 catch {wm withdraw .}
1309                 error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1310                 exit 1
1311         }
1312         if {$_gitworktree eq {}} {
1313                 set _gitworktree [file dirname $_gitdir]
1314         }
1315         if {[catch {cd $_gitworktree} err]} {
1316                 catch {wm withdraw .}
1317                 error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1318                 exit 1
1319         }
1320         set _gitworktree [pwd]
1321 }
1322 set _reponame [file split [file normalize $_gitdir]]
1323 if {[lindex $_reponame end] eq {.git}} {
1324         set _reponame [lindex $_reponame end-1]
1325 } else {
1326         set _reponame [lindex $_reponame end]
1327 }
1328
1329 set env(GIT_DIR) $_gitdir
1330 set env(GIT_WORK_TREE) $_gitworktree
1331
1332 ######################################################################
1333 ##
1334 ## global init
1335
1336 set current_diff_path {}
1337 set current_diff_side {}
1338 set diff_actions [list]
1339
1340 set HEAD {}
1341 set PARENT {}
1342 set MERGE_HEAD [list]
1343 set commit_type {}
1344 set empty_tree {}
1345 set current_branch {}
1346 set is_detached 0
1347 set current_diff_path {}
1348 set is_3way_diff 0
1349 set is_submodule_diff 0
1350 set is_conflict_diff 0
1351 set selected_commit_type new
1352 set diff_empty_count 0
1353
1354 set nullid "0000000000000000000000000000000000000000"
1355 set nullid2 "0000000000000000000000000000000000000001"
1356
1357 ######################################################################
1358 ##
1359 ## task management
1360
1361 set rescan_active 0
1362 set diff_active 0
1363 set last_clicked {}
1364
1365 set disable_on_lock [list]
1366 set index_lock_type none
1367
1368 proc lock_index {type} {
1369         global index_lock_type disable_on_lock
1370
1371         if {$index_lock_type eq {none}} {
1372                 set index_lock_type $type
1373                 foreach w $disable_on_lock {
1374                         uplevel #0 $w disabled
1375                 }
1376                 return 1
1377         } elseif {$index_lock_type eq "begin-$type"} {
1378                 set index_lock_type $type
1379                 return 1
1380         }
1381         return 0
1382 }
1383
1384 proc unlock_index {} {
1385         global index_lock_type disable_on_lock
1386
1387         set index_lock_type none
1388         foreach w $disable_on_lock {
1389                 uplevel #0 $w normal
1390         }
1391 }
1392
1393 ######################################################################
1394 ##
1395 ## status
1396
1397 proc repository_state {ctvar hdvar mhvar} {
1398         global current_branch
1399         upvar $ctvar ct $hdvar hd $mhvar mh
1400
1401         set mh [list]
1402
1403         load_current_branch
1404         if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1405                 set hd {}
1406                 set ct initial
1407                 return
1408         }
1409
1410         set merge_head [gitdir MERGE_HEAD]
1411         if {[file exists $merge_head]} {
1412                 set ct merge
1413                 set fd_mh [open $merge_head r]
1414                 while {[gets $fd_mh line] >= 0} {
1415                         lappend mh $line
1416                 }
1417                 close $fd_mh
1418                 return
1419         }
1420
1421         set ct normal
1422 }
1423
1424 proc PARENT {} {
1425         global PARENT empty_tree
1426
1427         set p [lindex $PARENT 0]
1428         if {$p ne {}} {
1429                 return $p
1430         }
1431         if {$empty_tree eq {}} {
1432                 set empty_tree [git mktree << {}]
1433         }
1434         return $empty_tree
1435 }
1436
1437 proc force_amend {} {
1438         global selected_commit_type
1439         global HEAD PARENT MERGE_HEAD commit_type
1440
1441         repository_state newType newHEAD newMERGE_HEAD
1442         set HEAD $newHEAD
1443         set PARENT $newHEAD
1444         set MERGE_HEAD $newMERGE_HEAD
1445         set commit_type $newType
1446
1447         set selected_commit_type amend
1448         do_select_commit_type
1449 }
1450
1451 proc rescan {after {honor_trustmtime 1}} {
1452         global HEAD PARENT MERGE_HEAD commit_type
1453         global ui_index ui_workdir ui_comm
1454         global rescan_active file_states
1455         global repo_config
1456
1457         if {$rescan_active > 0 || ![lock_index read]} return
1458
1459         repository_state newType newHEAD newMERGE_HEAD
1460         if {[string match amend* $commit_type]
1461                 && $newType eq {normal}
1462                 && $newHEAD eq $HEAD} {
1463         } else {
1464                 set HEAD $newHEAD
1465                 set PARENT $newHEAD
1466                 set MERGE_HEAD $newMERGE_HEAD
1467                 set commit_type $newType
1468         }
1469
1470         array unset file_states
1471
1472         if {!$::GITGUI_BCK_exists &&
1473                 (![$ui_comm edit modified]
1474                 || [string trim [$ui_comm get 0.0 end]] eq {})} {
1475                 if {[string match amend* $commit_type]} {
1476                 } elseif {[load_message GITGUI_MSG utf-8]} {
1477                 } elseif {[run_prepare_commit_msg_hook]} {
1478                 } elseif {[load_message MERGE_MSG]} {
1479                 } elseif {[load_message SQUASH_MSG]} {
1480                 }
1481                 $ui_comm edit reset
1482                 $ui_comm edit modified false
1483         }
1484
1485         if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1486                 rescan_stage2 {} $after
1487         } else {
1488                 set rescan_active 1
1489                 ui_status [mc "Refreshing file status..."]
1490                 set fd_rf [git_read update-index \
1491                         -q \
1492                         --unmerged \
1493                         --ignore-missing \
1494                         --refresh \
1495                         ]
1496                 fconfigure $fd_rf -blocking 0 -translation binary
1497                 fileevent $fd_rf readable \
1498                         [list rescan_stage2 $fd_rf $after]
1499         }
1500 }
1501
1502 if {[is_Cygwin]} {
1503         set is_git_info_exclude {}
1504         proc have_info_exclude {} {
1505                 global is_git_info_exclude
1506
1507                 if {$is_git_info_exclude eq {}} {
1508                         if {[catch {exec test -f [gitdir info exclude]}]} {
1509                                 set is_git_info_exclude 0
1510                         } else {
1511                                 set is_git_info_exclude 1
1512                         }
1513                 }
1514                 return $is_git_info_exclude
1515         }
1516 } else {
1517         proc have_info_exclude {} {
1518                 return [file readable [gitdir info exclude]]
1519         }
1520 }
1521
1522 proc rescan_stage2 {fd after} {
1523         global rescan_active buf_rdi buf_rdf buf_rlo
1524
1525         if {$fd ne {}} {
1526                 read $fd
1527                 if {![eof $fd]} return
1528                 close $fd
1529         }
1530
1531         if {[package vcompare $::_git_version 1.6.3] >= 0} {
1532                 set ls_others [list --exclude-standard]
1533         } else {
1534                 set ls_others [list --exclude-per-directory=.gitignore]
1535                 if {[have_info_exclude]} {
1536                         lappend ls_others "--exclude-from=[gitdir info exclude]"
1537                 }
1538                 set user_exclude [get_config core.excludesfile]
1539                 if {$user_exclude ne {} && [file readable $user_exclude]} {
1540                         lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1541                 }
1542         }
1543
1544         set buf_rdi {}
1545         set buf_rdf {}
1546         set buf_rlo {}
1547
1548         set rescan_active 2
1549         ui_status [mc "Scanning for modified files ..."]
1550         if {[git-version >= "1.7.2"]} {
1551                 set fd_di [git_read diff-index --cached --ignore-submodules=dirty -z [PARENT]]
1552         } else {
1553                 set fd_di [git_read diff-index --cached -z [PARENT]]
1554         }
1555         set fd_df [git_read diff-files -z]
1556
1557         fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1558         fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1559
1560         fileevent $fd_di readable [list read_diff_index $fd_di $after]
1561         fileevent $fd_df readable [list read_diff_files $fd_df $after]
1562
1563         if {[is_config_true gui.displayuntracked]} {
1564                 set fd_lo [eval git_read ls-files --others -z $ls_others]
1565                 fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1566                 fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1567                 incr rescan_active
1568         }
1569 }
1570
1571 proc load_message {file {encoding {}}} {
1572         global ui_comm
1573
1574         set f [gitdir $file]
1575         if {[file isfile $f]} {
1576                 if {[catch {set fd [open $f r]}]} {
1577                         return 0
1578                 }
1579                 fconfigure $fd -eofchar {}
1580                 if {$encoding ne {}} {
1581                         fconfigure $fd -encoding $encoding
1582                 }
1583                 set content [string trim [read $fd]]
1584                 close $fd
1585                 regsub -all -line {[ \r\t]+$} $content {} content
1586                 $ui_comm delete 0.0 end
1587                 $ui_comm insert end $content
1588                 return 1
1589         }
1590         return 0
1591 }
1592
1593 proc run_prepare_commit_msg_hook {} {
1594         global pch_error
1595
1596         # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1597         # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1598         # empty file but existent file.
1599
1600         set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1601
1602         if {[file isfile [gitdir MERGE_MSG]]} {
1603                 set pcm_source "merge"
1604                 set fd_mm [open [gitdir MERGE_MSG] r]
1605                 fconfigure $fd_mm -encoding utf-8
1606                 puts -nonewline $fd_pcm [read $fd_mm]
1607                 close $fd_mm
1608         } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1609                 set pcm_source "squash"
1610                 set fd_sm [open [gitdir SQUASH_MSG] r]
1611                 fconfigure $fd_sm -encoding utf-8
1612                 puts -nonewline $fd_pcm [read $fd_sm]
1613                 close $fd_sm
1614         } else {
1615                 set pcm_source ""
1616         }
1617
1618         close $fd_pcm
1619
1620         set fd_ph [githook_read prepare-commit-msg \
1621                         [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1622         if {$fd_ph eq {}} {
1623                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1624                 return 0;
1625         }
1626
1627         ui_status [mc "Calling prepare-commit-msg hook..."]
1628         set pch_error {}
1629
1630         fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1631         fileevent $fd_ph readable \
1632                 [list prepare_commit_msg_hook_wait $fd_ph]
1633
1634         return 1;
1635 }
1636
1637 proc prepare_commit_msg_hook_wait {fd_ph} {
1638         global pch_error
1639
1640         append pch_error [read $fd_ph]
1641         fconfigure $fd_ph -blocking 1
1642         if {[eof $fd_ph]} {
1643                 if {[catch {close $fd_ph}]} {
1644                         ui_status [mc "Commit declined by prepare-commit-msg hook."]
1645                         hook_failed_popup prepare-commit-msg $pch_error
1646                         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1647                         exit 1
1648                 } else {
1649                         load_message PREPARE_COMMIT_MSG
1650                 }
1651                 set pch_error {}
1652                 catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1653                 return
1654         }
1655         fconfigure $fd_ph -blocking 0
1656         catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1657 }
1658
1659 proc read_diff_index {fd after} {
1660         global buf_rdi
1661
1662         append buf_rdi [read $fd]
1663         set c 0
1664         set n [string length $buf_rdi]
1665         while {$c < $n} {
1666                 set z1 [string first "\0" $buf_rdi $c]
1667                 if {$z1 == -1} break
1668                 incr z1
1669                 set z2 [string first "\0" $buf_rdi $z1]
1670                 if {$z2 == -1} break
1671
1672                 incr c
1673                 set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1674                 set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1675                 merge_state \
1676                         [encoding convertfrom utf-8 $p] \
1677                         [lindex $i 4]? \
1678                         [list [lindex $i 0] [lindex $i 2]] \
1679                         [list]
1680                 set c $z2
1681                 incr c
1682         }
1683         if {$c < $n} {
1684                 set buf_rdi [string range $buf_rdi $c end]
1685         } else {
1686                 set buf_rdi {}
1687         }
1688
1689         rescan_done $fd buf_rdi $after
1690 }
1691
1692 proc read_diff_files {fd after} {
1693         global buf_rdf
1694
1695         append buf_rdf [read $fd]
1696         set c 0
1697         set n [string length $buf_rdf]
1698         while {$c < $n} {
1699                 set z1 [string first "\0" $buf_rdf $c]
1700                 if {$z1 == -1} break
1701                 incr z1
1702                 set z2 [string first "\0" $buf_rdf $z1]
1703                 if {$z2 == -1} break
1704
1705                 incr c
1706                 set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1707                 set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1708                 merge_state \
1709                         [encoding convertfrom utf-8 $p] \
1710                         ?[lindex $i 4] \
1711                         [list] \
1712                         [list [lindex $i 0] [lindex $i 2]]
1713                 set c $z2
1714                 incr c
1715         }
1716         if {$c < $n} {
1717                 set buf_rdf [string range $buf_rdf $c end]
1718         } else {
1719                 set buf_rdf {}
1720         }
1721
1722         rescan_done $fd buf_rdf $after
1723 }
1724
1725 proc read_ls_others {fd after} {
1726         global buf_rlo
1727
1728         append buf_rlo [read $fd]
1729         set pck [split $buf_rlo "\0"]
1730         set buf_rlo [lindex $pck end]
1731         foreach p [lrange $pck 0 end-1] {
1732                 set p [encoding convertfrom utf-8 $p]
1733                 if {[string index $p end] eq {/}} {
1734                         set p [string range $p 0 end-1]
1735                 }
1736                 merge_state $p ?O
1737         }
1738         rescan_done $fd buf_rlo $after
1739 }
1740
1741 proc rescan_done {fd buf after} {
1742         global rescan_active current_diff_path
1743         global file_states repo_config
1744         upvar $buf to_clear
1745
1746         if {![eof $fd]} return
1747         set to_clear {}
1748         close $fd
1749         if {[incr rescan_active -1] > 0} return
1750
1751         prune_selection
1752         unlock_index
1753         display_all_files
1754         if {$current_diff_path ne {}} { reshow_diff $after }
1755         if {$current_diff_path eq {}} { select_first_diff $after }
1756 }
1757
1758 proc prune_selection {} {
1759         global file_states selected_paths
1760
1761         foreach path [array names selected_paths] {
1762                 if {[catch {set still_here $file_states($path)}]} {
1763                         unset selected_paths($path)
1764                 }
1765         }
1766 }
1767
1768 ######################################################################
1769 ##
1770 ## ui helpers
1771
1772 proc mapicon {w state path} {
1773         global all_icons
1774
1775         if {[catch {set r $all_icons($state$w)}]} {
1776                 puts "error: no icon for $w state={$state} $path"
1777                 return file_plain
1778         }
1779         return $r
1780 }
1781
1782 proc mapdesc {state path} {
1783         global all_descs
1784
1785         if {[catch {set r $all_descs($state)}]} {
1786                 puts "error: no desc for state={$state} $path"
1787                 return $state
1788         }
1789         return $r
1790 }
1791
1792 proc ui_status {msg} {
1793         global main_status
1794         if {[info exists main_status]} {
1795                 $main_status show $msg
1796         }
1797 }
1798
1799 proc ui_ready {{test {}}} {
1800         global main_status
1801         if {[info exists main_status]} {
1802                 $main_status show [mc "Ready."] $test
1803         }
1804 }
1805
1806 proc escape_path {path} {
1807         regsub -all {\\} $path "\\\\" path
1808         regsub -all "\n" $path "\\n" path
1809         return $path
1810 }
1811
1812 proc short_path {path} {
1813         return [escape_path [lindex [file split $path] end]]
1814 }
1815
1816 set next_icon_id 0
1817 set null_sha1 [string repeat 0 40]
1818
1819 proc merge_state {path new_state {head_info {}} {index_info {}}} {
1820         global file_states next_icon_id null_sha1
1821
1822         set s0 [string index $new_state 0]
1823         set s1 [string index $new_state 1]
1824
1825         if {[catch {set info $file_states($path)}]} {
1826                 set state __
1827                 set icon n[incr next_icon_id]
1828         } else {
1829                 set state [lindex $info 0]
1830                 set icon [lindex $info 1]
1831                 if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1832                 if {$index_info eq {}} {set index_info [lindex $info 3]}
1833         }
1834
1835         if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1836         elseif {$s0 eq {_}} {set s0 _}
1837
1838         if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1839         elseif {$s1 eq {_}} {set s1 _}
1840
1841         if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1842                 set head_info [list 0 $null_sha1]
1843         } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1844                 && $head_info eq {}} {
1845                 set head_info $index_info
1846         } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1847                 set index_info $head_info
1848                 set head_info {}
1849         }
1850
1851         set file_states($path) [list $s0$s1 $icon \
1852                 $head_info $index_info \
1853                 ]
1854         return $state
1855 }
1856
1857 proc display_file_helper {w path icon_name old_m new_m} {
1858         global file_lists
1859
1860         if {$new_m eq {_}} {
1861                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1862                 if {$lno >= 0} {
1863                         set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1864                         incr lno
1865                         $w conf -state normal
1866                         $w delete $lno.0 [expr {$lno + 1}].0
1867                         $w conf -state disabled
1868                 }
1869         } elseif {$old_m eq {_} && $new_m ne {_}} {
1870                 lappend file_lists($w) $path
1871                 set file_lists($w) [lsort -unique $file_lists($w)]
1872                 set lno [lsearch -sorted -exact $file_lists($w) $path]
1873                 incr lno
1874                 $w conf -state normal
1875                 $w image create $lno.0 \
1876                         -align center -padx 5 -pady 1 \
1877                         -name $icon_name \
1878                         -image [mapicon $w $new_m $path]
1879                 $w insert $lno.1 "[escape_path $path]\n"
1880                 $w conf -state disabled
1881         } elseif {$old_m ne $new_m} {
1882                 $w conf -state normal
1883                 $w image conf $icon_name -image [mapicon $w $new_m $path]
1884                 $w conf -state disabled
1885         }
1886 }
1887
1888 proc display_file {path state} {
1889         global file_states selected_paths
1890         global ui_index ui_workdir
1891
1892         set old_m [merge_state $path $state]
1893         set s $file_states($path)
1894         set new_m [lindex $s 0]
1895         set icon_name [lindex $s 1]
1896
1897         set o [string index $old_m 0]
1898         set n [string index $new_m 0]
1899         if {$o eq {U}} {
1900                 set o _
1901         }
1902         if {$n eq {U}} {
1903                 set n _
1904         }
1905         display_file_helper     $ui_index $path $icon_name $o $n
1906
1907         if {[string index $old_m 0] eq {U}} {
1908                 set o U
1909         } else {
1910                 set o [string index $old_m 1]
1911         }
1912         if {[string index $new_m 0] eq {U}} {
1913                 set n U
1914         } else {
1915                 set n [string index $new_m 1]
1916         }
1917         display_file_helper     $ui_workdir $path $icon_name $o $n
1918
1919         if {$new_m eq {__}} {
1920                 unset file_states($path)
1921                 catch {unset selected_paths($path)}
1922         }
1923 }
1924
1925 proc display_all_files_helper {w path icon_name m} {
1926         global file_lists
1927
1928         lappend file_lists($w) $path
1929         set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1930         $w image create end \
1931                 -align center -padx 5 -pady 1 \
1932                 -name $icon_name \
1933                 -image [mapicon $w $m $path]
1934         $w insert end "[escape_path $path]\n"
1935 }
1936
1937 set files_warning 0
1938 proc display_all_files {} {
1939         global ui_index ui_workdir
1940         global file_states file_lists
1941         global last_clicked
1942         global files_warning
1943
1944         $ui_index conf -state normal
1945         $ui_workdir conf -state normal
1946
1947         $ui_index delete 0.0 end
1948         $ui_workdir delete 0.0 end
1949         set last_clicked {}
1950
1951         set file_lists($ui_index) [list]
1952         set file_lists($ui_workdir) [list]
1953
1954         set to_display [lsort [array names file_states]]
1955         set display_limit [get_config gui.maxfilesdisplayed]
1956         set displayed 0
1957         foreach path $to_display {
1958                 set s $file_states($path)
1959                 set m [lindex $s 0]
1960                 set icon_name [lindex $s 1]
1961
1962                 if {$displayed > $display_limit && [string index $m 1] eq {O} } {
1963                         if {!$files_warning} {
1964                                 # do not repeatedly warn:
1965                                 set files_warning 1
1966                                 info_popup [mc "Display limit (gui.maxfilesdisplayed = %s) reached, not showing all %s files." \
1967                                         $display_limit [llength $to_display]]
1968                         }
1969                         continue
1970                 }
1971
1972                 set s [string index $m 0]
1973                 if {$s ne {U} && $s ne {_}} {
1974                         display_all_files_helper $ui_index $path \
1975                                 $icon_name $s
1976                 }
1977
1978                 if {[string index $m 0] eq {U}} {
1979                         set s U
1980                 } else {
1981                         set s [string index $m 1]
1982                 }
1983                 if {$s ne {_}} {
1984                         display_all_files_helper $ui_workdir $path \
1985                                 $icon_name $s
1986                         incr displayed
1987                 }
1988         }
1989
1990         $ui_index conf -state disabled
1991         $ui_workdir conf -state disabled
1992 }
1993
1994 ######################################################################
1995 ##
1996 ## icons
1997
1998 set filemask {
1999 #define mask_width 14
2000 #define mask_height 15
2001 static unsigned char mask_bits[] = {
2002    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2003    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2004    0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2005 }
2006
2007 image create bitmap file_plain -background white -foreground black -data {
2008 #define plain_width 14
2009 #define plain_height 15
2010 static unsigned char plain_bits[] = {
2011    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2012    0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2013    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2014 } -maskdata $filemask
2015
2016 image create bitmap file_mod -background white -foreground blue -data {
2017 #define mod_width 14
2018 #define mod_height 15
2019 static unsigned char mod_bits[] = {
2020    0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2021    0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2022    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2023 } -maskdata $filemask
2024
2025 image create bitmap file_fulltick -background white -foreground "#007000" -data {
2026 #define file_fulltick_width 14
2027 #define file_fulltick_height 15
2028 static unsigned char file_fulltick_bits[] = {
2029    0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2030    0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2031    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2032 } -maskdata $filemask
2033
2034 image create bitmap file_question -background white -foreground black -data {
2035 #define file_question_width 14
2036 #define file_question_height 15
2037 static unsigned char file_question_bits[] = {
2038    0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2039    0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2040    0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2041 } -maskdata $filemask
2042
2043 image create bitmap file_removed -background white -foreground red -data {
2044 #define file_removed_width 14
2045 #define file_removed_height 15
2046 static unsigned char file_removed_bits[] = {
2047    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2048    0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2049    0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2050 } -maskdata $filemask
2051
2052 image create bitmap file_merge -background white -foreground blue -data {
2053 #define file_merge_width 14
2054 #define file_merge_height 15
2055 static unsigned char file_merge_bits[] = {
2056    0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2057    0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2058    0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2059 } -maskdata $filemask
2060
2061 image create bitmap file_statechange -background white -foreground green -data {
2062 #define file_statechange_width 14
2063 #define file_statechange_height 15
2064 static unsigned char file_statechange_bits[] = {
2065    0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2066    0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2067    0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2068 } -maskdata $filemask
2069
2070 set ui_index .vpane.files.index.list
2071 set ui_workdir .vpane.files.workdir.list
2072
2073 set all_icons(_$ui_index)   file_plain
2074 set all_icons(A$ui_index)   file_plain
2075 set all_icons(M$ui_index)   file_fulltick
2076 set all_icons(D$ui_index)   file_removed
2077 set all_icons(U$ui_index)   file_merge
2078 set all_icons(T$ui_index)   file_statechange
2079
2080 set all_icons(_$ui_workdir) file_plain
2081 set all_icons(M$ui_workdir) file_mod
2082 set all_icons(D$ui_workdir) file_question
2083 set all_icons(U$ui_workdir) file_merge
2084 set all_icons(O$ui_workdir) file_plain
2085 set all_icons(T$ui_workdir) file_statechange
2086
2087 set max_status_desc 0
2088 foreach i {
2089                 {__ {mc "Unmodified"}}
2090
2091                 {_M {mc "Modified, not staged"}}
2092                 {M_ {mc "Staged for commit"}}
2093                 {MM {mc "Portions staged for commit"}}
2094                 {MD {mc "Staged for commit, missing"}}
2095
2096                 {_T {mc "File type changed, not staged"}}
2097                 {MT {mc "File type changed, old type staged for commit"}}
2098                 {AT {mc "File type changed, old type staged for commit"}}
2099                 {T_ {mc "File type changed, staged"}}
2100                 {TM {mc "File type change staged, modification not staged"}}
2101                 {TD {mc "File type change staged, file missing"}}
2102
2103                 {_O {mc "Untracked, not staged"}}
2104                 {A_ {mc "Staged for commit"}}
2105                 {AM {mc "Portions staged for commit"}}
2106                 {AD {mc "Staged for commit, missing"}}
2107
2108                 {_D {mc "Missing"}}
2109                 {D_ {mc "Staged for removal"}}
2110                 {DO {mc "Staged for removal, still present"}}
2111
2112                 {_U {mc "Requires merge resolution"}}
2113                 {U_ {mc "Requires merge resolution"}}
2114                 {UU {mc "Requires merge resolution"}}
2115                 {UM {mc "Requires merge resolution"}}
2116                 {UD {mc "Requires merge resolution"}}
2117                 {UT {mc "Requires merge resolution"}}
2118         } {
2119         set text [eval [lindex $i 1]]
2120         if {$max_status_desc < [string length $text]} {
2121                 set max_status_desc [string length $text]
2122         }
2123         set all_descs([lindex $i 0]) $text
2124 }
2125 unset i
2126
2127 ######################################################################
2128 ##
2129 ## util
2130
2131 proc scrollbar2many {list mode args} {
2132         foreach w $list {eval $w $mode $args}
2133 }
2134
2135 proc many2scrollbar {list mode sb top bottom} {
2136         $sb set $top $bottom
2137         foreach w $list {$w $mode moveto $top}
2138 }
2139
2140 proc incr_font_size {font {amt 1}} {
2141         set sz [font configure $font -size]
2142         incr sz $amt
2143         font configure $font -size $sz
2144         font configure ${font}bold -size $sz
2145         font configure ${font}italic -size $sz
2146 }
2147
2148 ######################################################################
2149 ##
2150 ## ui commands
2151
2152 set starting_gitk_msg [mc "Starting gitk... please wait..."]
2153
2154 proc do_gitk {revs {is_submodule false}} {
2155         global current_diff_path file_states current_diff_side ui_index
2156         global _gitdir _gitworktree
2157
2158         # -- Always start gitk through whatever we were loaded with.  This
2159         #    lets us bypass using shell process on Windows systems.
2160         #
2161         set exe [_which gitk -script]
2162         set cmd [list [info nameofexecutable] $exe]
2163         if {$exe eq {}} {
2164                 error_popup [mc "Couldn't find gitk in PATH"]
2165         } else {
2166                 global env
2167
2168                 set pwd [pwd]
2169
2170                 if {!$is_submodule} {
2171                         if {![is_bare]} {
2172                                 cd $_gitworktree
2173                         }
2174                 } else {
2175                         cd $current_diff_path
2176                         if {$revs eq {--}} {
2177                                 set s $file_states($current_diff_path)
2178                                 set old_sha1 {}
2179                                 set new_sha1 {}
2180                                 switch -glob -- [lindex $s 0] {
2181                                 M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2182                                 _M { set old_sha1 [lindex [lindex $s 3] 1] }
2183                                 MM {
2184                                         if {$current_diff_side eq $ui_index} {
2185                                                 set old_sha1 [lindex [lindex $s 2] 1]
2186                                                 set new_sha1 [lindex [lindex $s 3] 1]
2187                                         } else {
2188                                                 set old_sha1 [lindex [lindex $s 3] 1]
2189                                         }
2190                                 }
2191                                 }
2192                                 set revs $old_sha1...$new_sha1
2193                         }
2194                         # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2195                         # we've been using for the main repository, so unset them.
2196                         # TODO we could make life easier (start up faster?) for gitk
2197                         # by setting these to the appropriate values to allow gitk
2198                         # to skip the heuristics to find their proper value
2199                         unset env(GIT_DIR)
2200                         unset env(GIT_WORK_TREE)
2201                 }
2202                 eval exec $cmd $revs "--" "--" &
2203
2204                 set env(GIT_DIR) $_gitdir
2205                 set env(GIT_WORK_TREE) $_gitworktree
2206                 cd $pwd
2207
2208                 ui_status $::starting_gitk_msg
2209                 after 10000 {
2210                         ui_ready $starting_gitk_msg
2211                 }
2212         }
2213 }
2214
2215 proc do_git_gui {} {
2216         global current_diff_path
2217
2218         # -- Always start git gui through whatever we were loaded with.  This
2219         #    lets us bypass using shell process on Windows systems.
2220         #
2221         set exe [list [_which git]]
2222         if {$exe eq {}} {
2223                 error_popup [mc "Couldn't find git gui in PATH"]
2224         } else {
2225                 global env
2226                 global _gitdir _gitworktree
2227
2228                 # see note in do_gitk about unsetting these vars when
2229                 # running tools in a submodule
2230                 unset env(GIT_DIR)
2231                 unset env(GIT_WORK_TREE)
2232
2233                 set pwd [pwd]
2234                 cd $current_diff_path
2235
2236                 eval exec $exe gui &
2237
2238                 set env(GIT_DIR) $_gitdir
2239                 set env(GIT_WORK_TREE) $_gitworktree
2240                 cd $pwd
2241
2242                 ui_status $::starting_gitk_msg
2243                 after 10000 {
2244                         ui_ready $starting_gitk_msg
2245                 }
2246         }
2247 }
2248
2249 proc do_explore {} {
2250         global _gitworktree
2251         set explorer {}
2252         if {[is_Cygwin] || [is_Windows]} {
2253                 set explorer "explorer.exe"
2254         } elseif {[is_MacOSX]} {
2255                 set explorer "open"
2256         } else {
2257                 # freedesktop.org-conforming system is our best shot
2258                 set explorer "xdg-open"
2259         }
2260         eval exec $explorer [list [file nativename $_gitworktree]] &
2261 }
2262
2263 set is_quitting 0
2264 set ret_code    1
2265
2266 proc terminate_me {win} {
2267         global ret_code
2268         if {$win ne {.}} return
2269         exit $ret_code
2270 }
2271
2272 proc do_quit {{rc {1}}} {
2273         global ui_comm is_quitting repo_config commit_type
2274         global GITGUI_BCK_exists GITGUI_BCK_i
2275         global ui_comm_spell
2276         global ret_code use_ttk
2277
2278         if {$is_quitting} return
2279         set is_quitting 1
2280
2281         if {[winfo exists $ui_comm]} {
2282                 # -- Stash our current commit buffer.
2283                 #
2284                 set save [gitdir GITGUI_MSG]
2285                 if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2286                         file rename -force [gitdir GITGUI_BCK] $save
2287                         set GITGUI_BCK_exists 0
2288                 } else {
2289                         set msg [string trim [$ui_comm get 0.0 end]]
2290                         regsub -all -line {[ \r\t]+$} $msg {} msg
2291                         if {(![string match amend* $commit_type]
2292                                 || [$ui_comm edit modified])
2293                                 && $msg ne {}} {
2294                                 catch {
2295                                         set fd [open $save w]
2296                                         fconfigure $fd -encoding utf-8
2297                                         puts -nonewline $fd $msg
2298                                         close $fd
2299                                 }
2300                         } else {
2301                                 catch {file delete $save}
2302                         }
2303                 }
2304
2305                 # -- Cancel our spellchecker if its running.
2306                 #
2307                 if {[info exists ui_comm_spell]} {
2308                         $ui_comm_spell stop
2309                 }
2310
2311                 # -- Remove our editor backup, its not needed.
2312                 #
2313                 after cancel $GITGUI_BCK_i
2314                 if {$GITGUI_BCK_exists} {
2315                         catch {file delete [gitdir GITGUI_BCK]}
2316                 }
2317
2318                 # -- Stash our current window geometry into this repository.
2319                 #
2320                 set cfg_wmstate [wm state .]
2321                 if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2322                         set rc_wmstate {}
2323                 }
2324                 if {$cfg_wmstate ne $rc_wmstate} {
2325                         catch {git config gui.wmstate $cfg_wmstate}
2326                 }
2327                 if {$cfg_wmstate eq {zoomed}} {
2328                         # on Windows wm geometry will lie about window
2329                         # position (but not size) when window is zoomed
2330                         # restore the window before querying wm geometry
2331                         wm state . normal
2332                 }
2333                 set cfg_geometry [list]
2334                 lappend cfg_geometry [wm geometry .]
2335                 if {$use_ttk} {
2336                         lappend cfg_geometry [.vpane sashpos 0]
2337                         lappend cfg_geometry [.vpane.files sashpos 0]
2338                 } else {
2339                         lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2340                         lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2341                 }
2342                 if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2343                         set rc_geometry {}
2344                 }
2345                 if {$cfg_geometry ne $rc_geometry} {
2346                         catch {git config gui.geometry $cfg_geometry}
2347                 }
2348         }
2349
2350         set ret_code $rc
2351
2352         # Briefly enable send again, working around Tk bug
2353         # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2354         tk appname [appname]
2355
2356         destroy .
2357 }
2358
2359 proc do_rescan {} {
2360         rescan ui_ready
2361 }
2362
2363 proc ui_do_rescan {} {
2364         rescan {force_first_diff ui_ready}
2365 }
2366
2367 proc do_commit {} {
2368         commit_tree
2369 }
2370
2371 proc next_diff {{after {}}} {
2372         global next_diff_p next_diff_w next_diff_i
2373         show_diff $next_diff_p $next_diff_w {} {} $after
2374 }
2375
2376 proc find_anchor_pos {lst name} {
2377         set lid [lsearch -sorted -exact $lst $name]
2378
2379         if {$lid == -1} {
2380                 set lid 0
2381                 foreach lname $lst {
2382                         if {$lname >= $name} break
2383                         incr lid
2384                 }
2385         }
2386
2387         return $lid
2388 }
2389
2390 proc find_file_from {flist idx delta path mmask} {
2391         global file_states
2392
2393         set len [llength $flist]
2394         while {$idx >= 0 && $idx < $len} {
2395                 set name [lindex $flist $idx]
2396
2397                 if {$name ne $path && [info exists file_states($name)]} {
2398                         set state [lindex $file_states($name) 0]
2399
2400                         if {$mmask eq {} || [regexp $mmask $state]} {
2401                                 return $idx
2402                         }
2403                 }
2404
2405                 incr idx $delta
2406         }
2407
2408         return {}
2409 }
2410
2411 proc find_next_diff {w path {lno {}} {mmask {}}} {
2412         global next_diff_p next_diff_w next_diff_i
2413         global file_lists ui_index ui_workdir
2414
2415         set flist $file_lists($w)
2416         if {$lno eq {}} {
2417                 set lno [find_anchor_pos $flist $path]
2418         } else {
2419                 incr lno -1
2420         }
2421
2422         if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2423                 if {$w eq $ui_index} {
2424                         set mmask "^$mmask"
2425                 } else {
2426                         set mmask "$mmask\$"
2427                 }
2428         }
2429
2430         set idx [find_file_from $flist $lno 1 $path $mmask]
2431         if {$idx eq {}} {
2432                 incr lno -1
2433                 set idx [find_file_from $flist $lno -1 $path $mmask]
2434         }
2435
2436         if {$idx ne {}} {
2437                 set next_diff_w $w
2438                 set next_diff_p [lindex $flist $idx]
2439                 set next_diff_i [expr {$idx+1}]
2440                 return 1
2441         } else {
2442                 return 0
2443         }
2444 }
2445
2446 proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2447         global current_diff_path
2448
2449         if {$path ne $current_diff_path} {
2450                 return {}
2451         } elseif {[find_next_diff $w $path $lno $mmask]} {
2452                 return {next_diff;}
2453         } else {
2454                 return {reshow_diff;}
2455         }
2456 }
2457
2458 proc select_first_diff {after} {
2459         global ui_workdir
2460
2461         if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2462             [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2463                 next_diff $after
2464         } else {
2465                 uplevel #0 $after
2466         }
2467 }
2468
2469 proc force_first_diff {after} {
2470         global ui_workdir current_diff_path file_states
2471
2472         if {[info exists file_states($current_diff_path)]} {
2473                 set state [lindex $file_states($current_diff_path) 0]
2474         } else {
2475                 set state {OO}
2476         }
2477
2478         set reselect 0
2479         if {[string first {U} $state] >= 0} {
2480                 # Already a conflict, do nothing
2481         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2482                 set reselect 1
2483         } elseif {[string index $state 1] ne {O}} {
2484                 # Already a diff & no conflicts, do nothing
2485         } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2486                 set reselect 1
2487         }
2488
2489         if {$reselect} {
2490                 next_diff $after
2491         } else {
2492                 uplevel #0 $after
2493         }
2494 }
2495
2496 proc toggle_or_diff {mode w args} {
2497         global file_states file_lists current_diff_path ui_index ui_workdir
2498         global last_clicked selected_paths
2499
2500         if {$mode eq "click"} {
2501                 foreach {x y} $args break
2502                 set pos [split [$w index @$x,$y] .]
2503                 foreach {lno col} $pos break
2504         } else {
2505                 if {$last_clicked ne {}} {
2506                         set lno [lindex $last_clicked 1]
2507                 } else {
2508                         set lno [expr {int([lindex [$w tag ranges in_diff] 0])}]
2509                 }
2510                 if {$mode eq "toggle"} {
2511                         set col 0; set y 2
2512                 } else {
2513                         incr lno [expr {$mode eq "up" ? -1 : 1}]
2514                         set col 1
2515                 }
2516         }
2517
2518         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2519         if {$path eq {}} {
2520                 set last_clicked {}
2521                 return
2522         }
2523
2524         set last_clicked [list $w $lno]
2525         focus $w
2526         array unset selected_paths
2527         $ui_index tag remove in_sel 0.0 end
2528         $ui_workdir tag remove in_sel 0.0 end
2529
2530         # Determine the state of the file
2531         if {[info exists file_states($path)]} {
2532                 set state [lindex $file_states($path) 0]
2533         } else {
2534                 set state {__}
2535         }
2536
2537         # Restage the file, or simply show the diff
2538         if {$col == 0 && $y > 1} {
2539                 # Conflicts need special handling
2540                 if {[string first {U} $state] >= 0} {
2541                         # $w must always be $ui_workdir, but...
2542                         if {$w ne $ui_workdir} { set lno {} }
2543                         merge_stage_workdir $path $lno
2544                         return
2545                 }
2546
2547                 if {[string index $state 1] eq {O}} {
2548                         set mmask {}
2549                 } else {
2550                         set mmask {[^O]}
2551                 }
2552
2553                 set after [next_diff_after_action $w $path $lno $mmask]
2554
2555                 if {$w eq $ui_index} {
2556                         update_indexinfo \
2557                                 "Unstaging [short_path $path] from commit" \
2558                                 [list $path] \
2559                                 [concat $after [list ui_ready]]
2560                 } elseif {$w eq $ui_workdir} {
2561                         update_index \
2562                                 "Adding [short_path $path]" \
2563                                 [list $path] \
2564                                 [concat $after [list ui_ready]]
2565                 }
2566         } else {
2567                 set selected_paths($path) 1
2568                 show_diff $path $w $lno
2569         }
2570 }
2571
2572 proc add_one_to_selection {w x y} {
2573         global file_lists last_clicked selected_paths
2574
2575         set lno [lindex [split [$w index @$x,$y] .] 0]
2576         set path [lindex $file_lists($w) [expr {$lno - 1}]]
2577         if {$path eq {}} {
2578                 set last_clicked {}
2579                 return
2580         }
2581
2582         if {$last_clicked ne {}
2583                 && [lindex $last_clicked 0] ne $w} {
2584                 array unset selected_paths
2585                 [lindex $last_clicked 0] tag remove in_sel 0.0 end
2586         }
2587
2588         set last_clicked [list $w $lno]
2589         if {[catch {set in_sel $selected_paths($path)}]} {
2590                 set in_sel 0
2591         }
2592         if {$in_sel} {
2593                 unset selected_paths($path)
2594                 $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2595         } else {
2596                 set selected_paths($path) 1
2597                 $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2598         }
2599 }
2600
2601 proc add_range_to_selection {w x y} {
2602         global file_lists last_clicked selected_paths
2603
2604         if {[lindex $last_clicked 0] ne $w} {
2605                 toggle_or_diff click $w $x $y
2606                 return
2607         }
2608
2609         set lno [lindex [split [$w index @$x,$y] .] 0]
2610         set lc [lindex $last_clicked 1]
2611         if {$lc < $lno} {
2612                 set begin $lc
2613                 set end $lno
2614         } else {
2615                 set begin $lno
2616                 set end $lc
2617         }
2618
2619         foreach path [lrange $file_lists($w) \
2620                 [expr {$begin - 1}] \
2621                 [expr {$end - 1}]] {
2622                 set selected_paths($path) 1
2623         }
2624         $w tag add in_sel $begin.0 [expr {$end + 1}].0
2625 }
2626
2627 proc show_more_context {} {
2628         global repo_config
2629         if {$repo_config(gui.diffcontext) < 99} {
2630                 incr repo_config(gui.diffcontext)
2631                 reshow_diff
2632         }
2633 }
2634
2635 proc show_less_context {} {
2636         global repo_config
2637         if {$repo_config(gui.diffcontext) > 1} {
2638                 incr repo_config(gui.diffcontext) -1
2639                 reshow_diff
2640         }
2641 }
2642
2643 ######################################################################
2644 ##
2645 ## ui construction
2646
2647 set ui_comm {}
2648
2649 # -- Menu Bar
2650 #
2651 menu .mbar -tearoff 0
2652 if {[is_MacOSX]} {
2653         # -- Apple Menu (Mac OS X only)
2654         #
2655         .mbar add cascade -label Apple -menu .mbar.apple
2656         menu .mbar.apple
2657 }
2658 .mbar add cascade -label [mc Repository] -menu .mbar.repository
2659 .mbar add cascade -label [mc Edit] -menu .mbar.edit
2660 if {[is_enabled branch]} {
2661         .mbar add cascade -label [mc Branch] -menu .mbar.branch
2662 }
2663 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2664         .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2665 }
2666 if {[is_enabled transport]} {
2667         .mbar add cascade -label [mc Merge] -menu .mbar.merge
2668         .mbar add cascade -label [mc Remote] -menu .mbar.remote
2669 }
2670 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2671         .mbar add cascade -label [mc Tools] -menu .mbar.tools
2672 }
2673
2674 # -- Repository Menu
2675 #
2676 menu .mbar.repository
2677
2678 if {![is_bare]} {
2679         .mbar.repository add command \
2680                 -label [mc "Explore Working Copy"] \
2681                 -command {do_explore}
2682 }
2683
2684 if {[is_Windows]} {
2685         .mbar.repository add command \
2686                 -label [mc "Git Bash"] \
2687                 -command {eval exec [auto_execok start] \
2688                                           [list "Git Bash" bash --login -l &]}
2689 }
2690
2691 if {[is_Windows] || ![is_bare]} {
2692         .mbar.repository add separator
2693 }
2694
2695 .mbar.repository add command \
2696         -label [mc "Browse Current Branch's Files"] \
2697         -command {browser::new $current_branch}
2698 set ui_browse_current [.mbar.repository index last]
2699 .mbar.repository add command \
2700         -label [mc "Browse Branch Files..."] \
2701         -command browser_open::dialog
2702 .mbar.repository add separator
2703
2704 .mbar.repository add command \
2705         -label [mc "Visualize Current Branch's History"] \
2706         -command {do_gitk $current_branch}
2707 set ui_visualize_current [.mbar.repository index last]
2708 .mbar.repository add command \
2709         -label [mc "Visualize All Branch History"] \
2710         -command {do_gitk --all}
2711 .mbar.repository add separator
2712
2713 proc current_branch_write {args} {
2714         global current_branch
2715         .mbar.repository entryconf $::ui_browse_current \
2716                 -label [mc "Browse %s's Files" $current_branch]
2717         .mbar.repository entryconf $::ui_visualize_current \
2718                 -label [mc "Visualize %s's History" $current_branch]
2719 }
2720 trace add variable current_branch write current_branch_write
2721
2722 if {[is_enabled multicommit]} {
2723         .mbar.repository add command -label [mc "Database Statistics"] \
2724                 -command do_stats
2725
2726         .mbar.repository add command -label [mc "Compress Database"] \
2727                 -command do_gc
2728
2729         .mbar.repository add command -label [mc "Verify Database"] \
2730                 -command do_fsck_objects
2731
2732         .mbar.repository add separator
2733
2734         if {[is_Cygwin]} {
2735                 .mbar.repository add command \
2736                         -label [mc "Create Desktop Icon"] \
2737                         -command do_cygwin_shortcut
2738         } elseif {[is_Windows]} {
2739                 .mbar.repository add command \
2740                         -label [mc "Create Desktop Icon"] \
2741                         -command do_windows_shortcut
2742         } elseif {[is_MacOSX]} {
2743                 .mbar.repository add command \
2744                         -label [mc "Create Desktop Icon"] \
2745                         -command do_macosx_app
2746         }
2747 }
2748
2749 if {[is_MacOSX]} {
2750         proc ::tk::mac::Quit {args} { do_quit }
2751 } else {
2752         .mbar.repository add command -label [mc Quit] \
2753                 -command do_quit \
2754                 -accelerator $M1T-Q
2755 }
2756
2757 # -- Edit Menu
2758 #
2759 menu .mbar.edit
2760 .mbar.edit add command -label [mc Undo] \
2761         -command {catch {[focus] edit undo}} \
2762         -accelerator $M1T-Z
2763 .mbar.edit add command -label [mc Redo] \
2764         -command {catch {[focus] edit redo}} \
2765         -accelerator $M1T-Y
2766 .mbar.edit add separator
2767 .mbar.edit add command -label [mc Cut] \
2768         -command {catch {tk_textCut [focus]}} \
2769         -accelerator $M1T-X
2770 .mbar.edit add command -label [mc Copy] \
2771         -command {catch {tk_textCopy [focus]}} \
2772         -accelerator $M1T-C
2773 .mbar.edit add command -label [mc Paste] \
2774         -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2775         -accelerator $M1T-V
2776 .mbar.edit add command -label [mc Delete] \
2777         -command {catch {[focus] delete sel.first sel.last}} \
2778         -accelerator Del
2779 .mbar.edit add separator
2780 .mbar.edit add command -label [mc "Select All"] \
2781         -command {catch {[focus] tag add sel 0.0 end}} \
2782         -accelerator $M1T-A
2783
2784 # -- Branch Menu
2785 #
2786 if {[is_enabled branch]} {
2787         menu .mbar.branch
2788
2789         .mbar.branch add command -label [mc "Create..."] \
2790                 -command branch_create::dialog \
2791                 -accelerator $M1T-N
2792         lappend disable_on_lock [list .mbar.branch entryconf \
2793                 [.mbar.branch index last] -state]
2794
2795         .mbar.branch add command -label [mc "Checkout..."] \
2796                 -command branch_checkout::dialog \
2797                 -accelerator $M1T-O
2798         lappend disable_on_lock [list .mbar.branch entryconf \
2799                 [.mbar.branch index last] -state]
2800
2801         .mbar.branch add command -label [mc "Rename..."] \
2802                 -command branch_rename::dialog
2803         lappend disable_on_lock [list .mbar.branch entryconf \
2804                 [.mbar.branch index last] -state]
2805
2806         .mbar.branch add command -label [mc "Delete..."] \
2807                 -command branch_delete::dialog
2808         lappend disable_on_lock [list .mbar.branch entryconf \
2809                 [.mbar.branch index last] -state]
2810
2811         .mbar.branch add command -label [mc "Reset..."] \
2812                 -command merge::reset_hard
2813         lappend disable_on_lock [list .mbar.branch entryconf \
2814                 [.mbar.branch index last] -state]
2815 }
2816
2817 # -- Commit Menu
2818 #
2819 proc commit_btn_caption {} {
2820         if {[is_enabled nocommit]} {
2821                 return [mc "Done"]
2822         } else {
2823                 return [mc Commit@@verb]
2824         }
2825 }
2826
2827 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2828         menu .mbar.commit
2829
2830         if {![is_enabled nocommit]} {
2831                 .mbar.commit add radiobutton \
2832                         -label [mc "New Commit"] \
2833                         -command do_select_commit_type \
2834                         -variable selected_commit_type \
2835                         -value new
2836                 lappend disable_on_lock \
2837                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2838
2839                 .mbar.commit add radiobutton \
2840                         -label [mc "Amend Last Commit"] \
2841                         -command do_select_commit_type \
2842                         -variable selected_commit_type \
2843                         -value amend
2844                 lappend disable_on_lock \
2845                         [list .mbar.commit entryconf [.mbar.commit index last] -state]
2846
2847                 .mbar.commit add separator
2848         }
2849
2850         .mbar.commit add command -label [mc Rescan] \
2851                 -command ui_do_rescan \
2852                 -accelerator F5
2853         lappend disable_on_lock \
2854                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2855
2856         .mbar.commit add command -label [mc "Stage To Commit"] \
2857                 -command do_add_selection \
2858                 -accelerator $M1T-T
2859         lappend disable_on_lock \
2860                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2861
2862         .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2863                 -command do_add_all \
2864                 -accelerator $M1T-I
2865         lappend disable_on_lock \
2866                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2867
2868         .mbar.commit add command -label [mc "Unstage From Commit"] \
2869                 -command do_unstage_selection \
2870                 -accelerator $M1T-U
2871         lappend disable_on_lock \
2872                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2873
2874         .mbar.commit add command -label [mc "Revert Changes"] \
2875                 -command do_revert_selection \
2876                 -accelerator $M1T-J
2877         lappend disable_on_lock \
2878                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2879
2880         .mbar.commit add separator
2881
2882         .mbar.commit add command -label [mc "Show Less Context"] \
2883                 -command show_less_context \
2884                 -accelerator $M1T-\-
2885
2886         .mbar.commit add command -label [mc "Show More Context"] \
2887                 -command show_more_context \
2888                 -accelerator $M1T-=
2889
2890         .mbar.commit add separator
2891
2892         if {![is_enabled nocommitmsg]} {
2893                 .mbar.commit add command -label [mc "Sign Off"] \
2894                         -command do_signoff \
2895                         -accelerator $M1T-S
2896         }
2897
2898         .mbar.commit add command -label [commit_btn_caption] \
2899                 -command do_commit \
2900                 -accelerator $M1T-Return
2901         lappend disable_on_lock \
2902                 [list .mbar.commit entryconf [.mbar.commit index last] -state]
2903 }
2904
2905 # -- Merge Menu
2906 #
2907 if {[is_enabled branch]} {
2908         menu .mbar.merge
2909         .mbar.merge add command -label [mc "Local Merge..."] \
2910                 -command merge::dialog \
2911                 -accelerator $M1T-M
2912         lappend disable_on_lock \
2913                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2914         .mbar.merge add command -label [mc "Abort Merge..."] \
2915                 -command merge::reset_hard
2916         lappend disable_on_lock \
2917                 [list .mbar.merge entryconf [.mbar.merge index last] -state]
2918 }
2919
2920 # -- Transport Menu
2921 #
2922 if {[is_enabled transport]} {
2923         menu .mbar.remote
2924
2925         .mbar.remote add command \
2926                 -label [mc "Add..."] \
2927                 -command remote_add::dialog \
2928                 -accelerator $M1T-A
2929         .mbar.remote add command \
2930                 -label [mc "Push..."] \
2931                 -command do_push_anywhere \
2932                 -accelerator $M1T-P
2933         .mbar.remote add command \
2934                 -label [mc "Delete Branch..."] \
2935                 -command remote_branch_delete::dialog
2936 }
2937
2938 if {[is_MacOSX]} {
2939         proc ::tk::mac::ShowPreferences {} {do_options}
2940 } else {
2941         # -- Edit Menu
2942         #
2943         .mbar.edit add separator
2944         .mbar.edit add command -label [mc "Options..."] \
2945                 -command do_options
2946 }
2947
2948 # -- Tools Menu
2949 #
2950 if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2951         set tools_menubar .mbar.tools
2952         menu $tools_menubar
2953         $tools_menubar add separator
2954         $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2955         $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2956         set tools_tailcnt 3
2957         if {[array names repo_config guitool.*.cmd] ne {}} {
2958                 tools_populate_all
2959         }
2960 }
2961
2962 # -- Help Menu
2963 #
2964 .mbar add cascade -label [mc Help] -menu .mbar.help
2965 menu .mbar.help
2966
2967 if {[is_MacOSX]} {
2968         .mbar.apple add command -label [mc "About %s" [appname]] \
2969                 -command do_about
2970         .mbar.apple add separator
2971 } else {
2972         .mbar.help add command -label [mc "About %s" [appname]] \
2973                 -command do_about
2974 }
2975 . configure -menu .mbar
2976
2977 set doc_path [githtmldir]
2978 if {$doc_path ne {}} {
2979         set doc_path [file join $doc_path index.html]
2980
2981         if {[is_Cygwin]} {
2982                 set doc_path [exec cygpath --mixed $doc_path]
2983         }
2984 }
2985
2986 if {[file isfile $doc_path]} {
2987         set doc_url "file:$doc_path"
2988 } else {
2989         set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2990 }
2991
2992 proc start_browser {url} {
2993         git "web--browse" $url
2994 }
2995
2996 .mbar.help add command -label [mc "Online Documentation"] \
2997         -command [list start_browser $doc_url]
2998
2999 .mbar.help add command -label [mc "Show SSH Key"] \
3000         -command do_ssh_key
3001
3002 unset doc_path doc_url
3003
3004 # -- Standard bindings
3005 #
3006 wm protocol . WM_DELETE_WINDOW do_quit
3007 bind all <$M1B-Key-q> do_quit
3008 bind all <$M1B-Key-Q> do_quit
3009 bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3010 bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3011
3012 set subcommand_args {}
3013 proc usage {} {
3014         set s "[mc usage:] $::argv0 $::subcommand $::subcommand_args"
3015         if {[tk windowingsystem] eq "win32"} {
3016                 wm withdraw .
3017                 tk_messageBox -icon info -message $s \
3018                         -title [mc "Usage"]
3019         } else {
3020                 puts stderr $s
3021         }
3022         exit 1
3023 }
3024
3025 proc normalize_relpath {path} {
3026         set elements {}
3027         foreach item [file split $path] {
3028                 if {$item eq {.}} continue
3029                 if {$item eq {..} && [llength $elements] > 0
3030                     && [lindex $elements end] ne {..}} {
3031                         set elements [lrange $elements 0 end-1]
3032                         continue
3033                 }
3034                 lappend elements $item
3035         }
3036         return [eval file join $elements]
3037 }
3038
3039 # -- Not a normal commit type invocation?  Do that instead!
3040 #
3041 switch -- $subcommand {
3042 browser -
3043 blame {
3044         if {$subcommand eq "blame"} {
3045                 set subcommand_args {[--line=<num>] rev? path}
3046         } else {
3047                 set subcommand_args {rev? path}
3048         }
3049         if {$argv eq {}} usage
3050         set head {}
3051         set path {}
3052         set jump_spec {}
3053         set is_path 0
3054         foreach a $argv {
3055                 set p [file join $_prefix $a]
3056
3057                 if {$is_path || [file exists $p]} {
3058                         if {$path ne {}} usage
3059                         set path [normalize_relpath $p]
3060                         break
3061                 } elseif {$a eq {--}} {
3062                         if {$path ne {}} {
3063                                 if {$head ne {}} usage
3064                                 set head $path
3065                                 set path {}
3066                         }
3067                         set is_path 1
3068                 } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3069                         if {$jump_spec ne {} || $head ne {}} usage
3070                         set jump_spec [list $lnum]
3071                 } elseif {$head eq {}} {
3072                         if {$head ne {}} usage
3073                         set head $a
3074                         set is_path 1
3075                 } else {
3076                         usage
3077                 }
3078         }
3079         unset is_path
3080
3081         if {$head ne {} && $path eq {}} {
3082                 if {[string index $head 0] eq {/}} {
3083                         set path [normalize_relpath $head]
3084                         set head {}
3085                 } else {
3086                         set path [normalize_relpath $_prefix$head]
3087                         set head {}
3088                 }
3089         }
3090
3091         if {$head eq {}} {
3092                 load_current_branch
3093         } else {
3094                 if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3095                         if {[catch {
3096                                         set head [git rev-parse --verify $head]
3097                                 } err]} {
3098                                 if {[tk windowingsystem] eq "win32"} {
3099                                         tk_messageBox -icon error -title [mc Error] -message $err
3100                                 } else {
3101                                         puts stderr $err
3102                                 }
3103                                 exit 1
3104                         }
3105                 }
3106                 set current_branch $head
3107         }
3108
3109         wm deiconify .
3110         switch -- $subcommand {
3111         browser {
3112                 if {$jump_spec ne {}} usage
3113                 if {$head eq {}} {
3114                         if {$path ne {} && [file isdirectory $path]} {
3115                                 set head $current_branch
3116                         } else {
3117                                 set head $path
3118                                 set path {}
3119                         }
3120                 }
3121                 browser::new $head $path
3122         }
3123         blame   {
3124                 if {$head eq {} && ![file exists $path]} {
3125                         catch {wm withdraw .}
3126                         tk_messageBox \
3127                                 -icon error \
3128                                 -type ok \
3129                                 -title [mc "git-gui: fatal error"] \
3130                                 -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3131                         exit 1
3132                 }
3133                 blame::new $head $path $jump_spec
3134         }
3135         }
3136         return
3137 }
3138 citool -
3139 gui {
3140         if {[llength $argv] != 0} {
3141                 usage
3142         }
3143         # fall through to setup UI for commits
3144 }
3145 default {
3146         set err "[mc usage:] $argv0 \[{blame|browser|citool}\]"
3147         if {[tk windowingsystem] eq "win32"} {
3148                 wm withdraw .
3149                 tk_messageBox -icon error -message $err \
3150                         -title [mc "Usage"]
3151         } else {
3152                 puts stderr $err
3153         }
3154         exit 1
3155 }
3156 }
3157
3158 # -- Branch Control
3159 #
3160 ${NS}::frame .branch
3161 if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3162 ${NS}::label .branch.l1 \
3163         -text [mc "Current Branch:"] \
3164         -anchor w \
3165         -justify left
3166 ${NS}::label .branch.cb \
3167         -textvariable current_branch \
3168         -anchor w \
3169         -justify left
3170 pack .branch.l1 -side left
3171 pack .branch.cb -side left -fill x
3172 pack .branch -side top -fill x
3173
3174 # -- Main Window Layout
3175 #
3176 ${NS}::panedwindow .vpane -orient horizontal
3177 ${NS}::panedwindow .vpane.files -orient vertical
3178 if {$use_ttk} {
3179         .vpane add .vpane.files
3180 } else {
3181         .vpane add .vpane.files -sticky nsew -height 100 -width 200
3182 }
3183 pack .vpane -anchor n -side top -fill both -expand 1
3184
3185 # -- Working Directory File List
3186
3187 textframe .vpane.files.workdir -height 100 -width 200
3188 tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3189         -background lightsalmon -foreground black
3190 ttext $ui_workdir -background white -foreground black \
3191         -borderwidth 0 \
3192         -width 20 -height 10 \
3193         -wrap none \
3194         -takefocus 1 -highlightthickness 1\
3195         -cursor $cursor_ptr \
3196         -xscrollcommand {.vpane.files.workdir.sx set} \
3197         -yscrollcommand {.vpane.files.workdir.sy set} \
3198         -state disabled
3199 ${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3200 ${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3201 pack .vpane.files.workdir.title -side top -fill x
3202 pack .vpane.files.workdir.sx -side bottom -fill x
3203 pack .vpane.files.workdir.sy -side right -fill y
3204 pack $ui_workdir -side left -fill both -expand 1
3205
3206 # -- Index File List
3207 #
3208 textframe .vpane.files.index -height 100 -width 200
3209 tlabel .vpane.files.index.title \
3210         -text [mc "Staged Changes (Will Commit)"] \
3211         -background lightgreen -foreground black
3212 ttext $ui_index -background white -foreground black \
3213         -borderwidth 0 \
3214         -width 20 -height 10 \
3215         -wrap none \
3216         -takefocus 1 -highlightthickness 1\
3217         -cursor $cursor_ptr \
3218         -xscrollcommand {.vpane.files.index.sx set} \
3219         -yscrollcommand {.vpane.files.index.sy set} \
3220         -state disabled
3221 ${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3222 ${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3223 pack .vpane.files.index.title -side top -fill x
3224 pack .vpane.files.index.sx -side bottom -fill x
3225 pack .vpane.files.index.sy -side right -fill y
3226 pack $ui_index -side left -fill both -expand 1
3227
3228 # -- Insert the workdir and index into the panes
3229 #
3230 .vpane.files add .vpane.files.workdir
3231 .vpane.files add .vpane.files.index
3232 if {!$use_ttk} {
3233         .vpane.files paneconfigure .vpane.files.workdir -sticky news
3234         .vpane.files paneconfigure .vpane.files.index -sticky news
3235 }
3236
3237 foreach i [list $ui_index $ui_workdir] {
3238         rmsel_tag $i
3239         $i tag conf in_diff -background [$i tag cget in_sel -background]
3240 }
3241 unset i
3242
3243 # -- Diff and Commit Area
3244 #
3245 if {$have_tk85} {
3246         ${NS}::panedwindow .vpane.lower -orient vertical
3247         ${NS}::frame .vpane.lower.commarea
3248         ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3249         .vpane.lower add .vpane.lower.diff
3250         .vpane.lower add .vpane.lower.commarea
3251         .vpane add .vpane.lower
3252         if {$use_ttk} {
3253                 .vpane.lower pane .vpane.lower.diff -weight 1
3254                 .vpane.lower pane .vpane.lower.commarea -weight 0
3255         } else {
3256                 .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3257                 .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3258         }
3259 } else {
3260         frame .vpane.lower -height 300 -width 400
3261         frame .vpane.lower.commarea
3262         frame .vpane.lower.diff -relief sunken -borderwidth 1
3263         pack .vpane.lower.diff -fill both -expand 1
3264         pack .vpane.lower.commarea -side bottom -fill x
3265         .vpane add .vpane.lower
3266         .vpane paneconfigure .vpane.lower -sticky nsew
3267 }
3268
3269 # -- Commit Area Buttons
3270 #
3271 ${NS}::frame .vpane.lower.commarea.buttons
3272 ${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3273         -anchor w \
3274         -justify left
3275 pack .vpane.lower.commarea.buttons.l -side top -fill x
3276 pack .vpane.lower.commarea.buttons -side left -fill y
3277
3278 ${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3279         -command ui_do_rescan
3280 pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3281 lappend disable_on_lock \
3282         {.vpane.lower.commarea.buttons.rescan conf -state}
3283
3284 ${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3285         -command do_add_all
3286 pack .vpane.lower.commarea.buttons.incall -side top -fill x
3287 lappend disable_on_lock \
3288         {.vpane.lower.commarea.buttons.incall conf -state}
3289
3290 if {![is_enabled nocommitmsg]} {
3291         ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3292                 -command do_signoff
3293         pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3294 }
3295
3296 ${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3297         -command do_commit
3298 pack .vpane.lower.commarea.buttons.commit -side top -fill x
3299 lappend disable_on_lock \
3300         {.vpane.lower.commarea.buttons.commit conf -state}
3301
3302 if {![is_enabled nocommit]} {
3303         ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3304                 -command do_push_anywhere
3305         pack .vpane.lower.commarea.buttons.push -side top -fill x
3306 }
3307
3308 # -- Commit Message Buffer
3309 #
3310 ${NS}::frame .vpane.lower.commarea.buffer
3311 ${NS}::frame .vpane.lower.commarea.buffer.header
3312 set ui_comm .vpane.lower.commarea.buffer.frame.t
3313 set ui_coml .vpane.lower.commarea.buffer.header.l
3314
3315 if {![is_enabled nocommit]} {
3316         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3317                 -text [mc "New Commit"] \
3318                 -command do_select_commit_type \
3319                 -variable selected_commit_type \
3320                 -value new
3321         lappend disable_on_lock \
3322                 [list .vpane.lower.commarea.buffer.header.new conf -state]
3323         ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3324                 -text [mc "Amend Last Commit"] \
3325                 -command do_select_commit_type \
3326                 -variable selected_commit_type \
3327                 -value amend
3328         lappend disable_on_lock \
3329                 [list .vpane.lower.commarea.buffer.header.amend conf -state]
3330 }
3331
3332 ${NS}::label $ui_coml \
3333         -anchor w \
3334         -justify left
3335 proc trace_commit_type {varname args} {
3336         global ui_coml commit_type
3337         switch -glob -- $commit_type {
3338         initial       {set txt [mc "Initial Commit Message:"]}
3339         amend         {set txt [mc "Amended Commit Message:"]}
3340         amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3341         amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3342         merge         {set txt [mc "Merge Commit Message:"]}
3343         *             {set txt [mc "Commit Message:"]}
3344         }
3345         $ui_coml conf -text $txt
3346 }
3347 trace add variable commit_type write trace_commit_type
3348 pack $ui_coml -side left -fill x
3349
3350 if {![is_enabled nocommit]} {
3351         pack .vpane.lower.commarea.buffer.header.amend -side right
3352         pack .vpane.lower.commarea.buffer.header.new -side right
3353 }
3354
3355 textframe .vpane.lower.commarea.buffer.frame
3356 ttext $ui_comm -background white -foreground black \
3357         -borderwidth 1 \
3358         -undo true \
3359         -maxundo 20 \
3360         -autoseparators true \
3361         -takefocus 1 \
3362         -highlightthickness 1 \
3363         -relief sunken \
3364         -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3365         -font font_diff \
3366         -yscrollcommand {.vpane.lower.commarea.buffer.frame.sby set}
3367 ${NS}::scrollbar .vpane.lower.commarea.buffer.frame.sby \
3368         -command [list $ui_comm yview]
3369
3370 pack .vpane.lower.commarea.buffer.frame.sby -side right -fill y
3371 pack $ui_comm -side left -fill y
3372 pack .vpane.lower.commarea.buffer.header -side top -fill x
3373 pack .vpane.lower.commarea.buffer.frame -side left -fill y
3374 pack .vpane.lower.commarea.buffer -side left -fill y
3375
3376 # -- Commit Message Buffer Context Menu
3377 #
3378 set ctxm .vpane.lower.commarea.buffer.ctxm
3379 menu $ctxm -tearoff 0
3380 $ctxm add command \
3381         -label [mc Cut] \
3382         -command {tk_textCut $ui_comm}
3383 $ctxm add command \
3384         -label [mc Copy] \
3385         -command {tk_textCopy $ui_comm}
3386 $ctxm add command \
3387         -label [mc Paste] \
3388         -command {tk_textPaste $ui_comm}
3389 $ctxm add command \
3390         -label [mc Delete] \
3391         -command {catch {$ui_comm delete sel.first sel.last}}
3392 $ctxm add separator
3393 $ctxm add command \
3394         -label [mc "Select All"] \
3395         -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3396 $ctxm add command \
3397         -label [mc "Copy All"] \
3398         -command {
3399                 $ui_comm tag add sel 0.0 end
3400                 tk_textCopy $ui_comm
3401                 $ui_comm tag remove sel 0.0 end
3402         }
3403 $ctxm add separator
3404 $ctxm add command \
3405         -label [mc "Sign Off"] \
3406         -command do_signoff
3407 set ui_comm_ctxm $ctxm
3408
3409 # -- Diff Header
3410 #
3411 proc trace_current_diff_path {varname args} {
3412         global current_diff_path diff_actions file_states
3413         if {$current_diff_path eq {}} {
3414                 set s {}
3415                 set f {}
3416                 set p {}
3417                 set o disabled
3418         } else {
3419                 set p $current_diff_path
3420                 set s [mapdesc [lindex $file_states($p) 0] $p]
3421                 set f [mc "File:"]
3422                 set p [escape_path $p]
3423                 set o normal
3424         }
3425
3426         .vpane.lower.diff.header.status configure -text $s
3427         .vpane.lower.diff.header.file configure -text $f
3428         .vpane.lower.diff.header.path configure -text $p
3429         foreach w $diff_actions {
3430                 uplevel #0 $w $o
3431         }
3432 }
3433 trace add variable current_diff_path write trace_current_diff_path
3434
3435 gold_frame .vpane.lower.diff.header
3436 tlabel .vpane.lower.diff.header.status \
3437         -background gold \
3438         -foreground black \
3439         -width $max_status_desc \
3440         -anchor w \
3441         -justify left
3442 tlabel .vpane.lower.diff.header.file \
3443         -background gold \
3444         -foreground black \
3445         -anchor w \
3446         -justify left
3447 tlabel .vpane.lower.diff.header.path \
3448         -background gold \
3449         -foreground black \
3450         -anchor w \
3451         -justify left
3452 pack .vpane.lower.diff.header.status -side left
3453 pack .vpane.lower.diff.header.file -side left
3454 pack .vpane.lower.diff.header.path -fill x
3455 set ctxm .vpane.lower.diff.header.ctxm
3456 menu $ctxm -tearoff 0
3457 $ctxm add command \
3458         -label [mc Copy] \
3459         -command {
3460                 clipboard clear
3461                 clipboard append \
3462                         -format STRING \
3463                         -type STRING \
3464                         -- $current_diff_path
3465         }
3466 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3467 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3468
3469 # -- Diff Body
3470 #
3471 textframe .vpane.lower.diff.body
3472 set ui_diff .vpane.lower.diff.body.t
3473 ttext $ui_diff -background white -foreground black \
3474         -borderwidth 0 \
3475         -width 80 -height 5 -wrap none \
3476         -font font_diff \
3477         -takefocus 1 -highlightthickness 1 \
3478         -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3479         -yscrollcommand {.vpane.lower.diff.body.sby set} \
3480         -state disabled
3481 catch {$ui_diff configure -tabstyle wordprocessor}
3482 ${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3483         -command [list $ui_diff xview]
3484 ${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3485         -command [list $ui_diff yview]
3486 pack .vpane.lower.diff.body.sbx -side bottom -fill x
3487 pack .vpane.lower.diff.body.sby -side right -fill y
3488 pack $ui_diff -side left -fill both -expand 1
3489 pack .vpane.lower.diff.header -side top -fill x
3490 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3491
3492 foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3493         $ui_diff tag configure clr4$n -background $c
3494         $ui_diff tag configure clri4$n -foreground $c
3495         $ui_diff tag configure clr3$n -foreground $c
3496         $ui_diff tag configure clri3$n -background $c
3497 }
3498 $ui_diff tag configure clr1 -font font_diffbold
3499 $ui_diff tag configure clr4 -underline 1
3500
3501 $ui_diff tag conf d_info -foreground blue -font font_diffbold
3502
3503 $ui_diff tag conf d_cr -elide true
3504 $ui_diff tag conf d_@ -font font_diffbold
3505 $ui_diff tag conf d_+ -foreground {#00a000}
3506 $ui_diff tag conf d_- -foreground red
3507
3508 $ui_diff tag conf d_++ -foreground {#00a000}
3509 $ui_diff tag conf d_-- -foreground red
3510 $ui_diff tag conf d_+s \
3511         -foreground {#00a000} \
3512         -background {#e2effa}
3513 $ui_diff tag conf d_-s \
3514         -foreground red \
3515         -background {#e2effa}
3516 $ui_diff tag conf d_s+ \
3517         -foreground {#00a000} \
3518         -background ivory1
3519 $ui_diff tag conf d_s- \
3520         -foreground red \
3521         -background ivory1
3522
3523 $ui_diff tag conf d< \
3524         -foreground orange \
3525         -font font_diffbold
3526 $ui_diff tag conf d= \
3527         -foreground orange \
3528         -font font_diffbold
3529 $ui_diff tag conf d> \
3530         -foreground orange \
3531         -font font_diffbold
3532
3533 $ui_diff tag raise sel
3534
3535 # -- Diff Body Context Menu
3536 #
3537
3538 proc create_common_diff_popup {ctxm} {
3539         $ctxm add command \
3540                 -label [mc Refresh] \
3541                 -command reshow_diff
3542         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3543         $ctxm add command \
3544                 -label [mc Copy] \
3545                 -command {tk_textCopy $ui_diff}
3546         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3547         $ctxm add command \
3548                 -label [mc "Select All"] \
3549                 -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3550         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3551         $ctxm add command \
3552                 -label [mc "Copy All"] \
3553                 -command {
3554                         $ui_diff tag add sel 0.0 end
3555                         tk_textCopy $ui_diff
3556                         $ui_diff tag remove sel 0.0 end
3557                 }
3558         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3559         $ctxm add separator
3560         $ctxm add command \
3561                 -label [mc "Decrease Font Size"] \
3562                 -command {incr_font_size font_diff -1}
3563         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3564         $ctxm add command \
3565                 -label [mc "Increase Font Size"] \
3566                 -command {incr_font_size font_diff 1}
3567         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3568         $ctxm add separator
3569         set emenu $ctxm.enc
3570         menu $emenu
3571         build_encoding_menu $emenu [list force_diff_encoding]
3572         $ctxm add cascade \
3573                 -label [mc "Encoding"] \
3574                 -menu $emenu
3575         lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3576         $ctxm add separator
3577         $ctxm add command -label [mc "Options..."] \
3578                 -command do_options
3579 }
3580
3581 set ctxm .vpane.lower.diff.body.ctxm
3582 menu $ctxm -tearoff 0
3583 $ctxm add command \
3584         -label [mc "Apply/Reverse Hunk"] \
3585         -command {apply_hunk $cursorX $cursorY}
3586 set ui_diff_applyhunk [$ctxm index last]
3587 lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3588 $ctxm add command \
3589         -label [mc "Apply/Reverse Line"] \
3590         -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3591 set ui_diff_applyline [$ctxm index last]
3592 lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3593 $ctxm add separator
3594 $ctxm add command \
3595         -label [mc "Show Less Context"] \
3596         -command show_less_context
3597 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3598 $ctxm add command \
3599         -label [mc "Show More Context"] \
3600         -command show_more_context
3601 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3602 $ctxm add separator
3603 create_common_diff_popup $ctxm
3604
3605 set ctxmmg .vpane.lower.diff.body.ctxmmg
3606 menu $ctxmmg -tearoff 0
3607 $ctxmmg add command \
3608         -label [mc "Run Merge Tool"] \
3609         -command {merge_resolve_tool}
3610 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3611 $ctxmmg add separator
3612 $ctxmmg add command \
3613         -label [mc "Use Remote Version"] \
3614         -command {merge_resolve_one 3}
3615 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3616 $ctxmmg add command \
3617         -label [mc "Use Local Version"] \
3618         -command {merge_resolve_one 2}
3619 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3620 $ctxmmg add command \
3621         -label [mc "Revert To Base"] \
3622         -command {merge_resolve_one 1}
3623 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3624 $ctxmmg add separator
3625 $ctxmmg add command \
3626         -label [mc "Show Less Context"] \
3627         -command show_less_context
3628 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3629 $ctxmmg add command \
3630         -label [mc "Show More Context"] \
3631         -command show_more_context
3632 lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3633 $ctxmmg add separator
3634 create_common_diff_popup $ctxmmg
3635
3636 set ctxmsm .vpane.lower.diff.body.ctxmsm
3637 menu $ctxmsm -tearoff 0
3638 $ctxmsm add command \
3639         -label [mc "Visualize These Changes In The Submodule"] \
3640         -command {do_gitk -- true}
3641 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3642 $ctxmsm add command \
3643         -label [mc "Visualize Current Branch History In The Submodule"] \
3644         -command {do_gitk {} true}
3645 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3646 $ctxmsm add command \
3647         -label [mc "Visualize All Branch History In The Submodule"] \
3648         -command {do_gitk --all true}
3649 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3650 $ctxmsm add separator
3651 $ctxmsm add command \
3652         -label [mc "Start git gui In The Submodule"] \
3653         -command {do_git_gui}
3654 lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3655 $ctxmsm add separator
3656 create_common_diff_popup $ctxmsm
3657
3658 proc has_textconv {path} {
3659         if {[is_config_false gui.textconv]} {
3660                 return 0
3661         }
3662         set filter [gitattr $path diff set]
3663         set textconv [get_config [join [list diff $filter textconv] .]]
3664         if {$filter ne {set} && $textconv ne {}} {
3665                 return 1
3666         } else {
3667                 return 0
3668         }
3669 }
3670
3671 proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3672         global current_diff_path file_states
3673         set ::cursorX $x
3674         set ::cursorY $y
3675         if {[info exists file_states($current_diff_path)]} {
3676                 set state [lindex $file_states($current_diff_path) 0]
3677         } else {
3678                 set state {__}
3679         }
3680         if {[string first {U} $state] >= 0} {
3681                 tk_popup $ctxmmg $X $Y
3682         } elseif {$::is_submodule_diff} {
3683                 tk_popup $ctxmsm $X $Y
3684         } else {
3685                 set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3686                 if {$::ui_index eq $::current_diff_side} {
3687                         set l [mc "Unstage Hunk From Commit"]
3688                         if {$has_range} {
3689                                 set t [mc "Unstage Lines From Commit"]
3690                         } else {
3691                                 set t [mc "Unstage Line From Commit"]
3692                         }
3693                 } else {
3694                         set l [mc "Stage Hunk For Commit"]
3695                         if {$has_range} {
3696                                 set t [mc "Stage Lines For Commit"]
3697                         } else {
3698                                 set t [mc "Stage Line For Commit"]
3699                         }
3700                 }
3701                 if {$::is_3way_diff
3702                         || $current_diff_path eq {}
3703                         || {__} eq $state
3704                         || {_O} eq $state
3705                         || [string match {?T} $state]
3706                         || [string match {T?} $state]
3707                         || [has_textconv $current_diff_path]} {
3708                         set s disabled
3709                 } else {
3710                         set s normal
3711                 }
3712                 $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3713                 $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3714                 tk_popup $ctxm $X $Y
3715         }
3716 }
3717 bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3718
3719 # -- Status Bar
3720 #
3721 set main_status [::status_bar::new .status]
3722 pack .status -anchor w -side bottom -fill x
3723 $main_status show [mc "Initializing..."]
3724
3725 # -- Load geometry
3726 #
3727 proc on_ttk_pane_mapped {w pane pos} {
3728         bind $w <Map> {}
3729         after 0 [list after idle [list $w sashpos $pane $pos]]
3730 }
3731 proc on_tk_pane_mapped {w pane x y} {
3732         bind $w <Map> {}
3733         after 0 [list after idle [list $w sash place $pane $x $y]]
3734 }
3735 proc on_application_mapped {} {
3736         global repo_config use_ttk
3737         bind . <Map> {}
3738         set gm $repo_config(gui.geometry)
3739         if {$use_ttk} {
3740                 bind .vpane <Map> \
3741                     [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3742                 bind .vpane.files <Map> \
3743                     [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3744         } else {
3745                 bind .vpane <Map> \
3746                     [list on_tk_pane_mapped %W 0 \
3747                          [lindex $gm 1] \
3748                          [lindex [.vpane sash coord 0] 1]]
3749                 bind .vpane.files <Map> \
3750                     [list on_tk_pane_mapped %W 0 \
3751                          [lindex [.vpane.files sash coord 0] 0] \
3752                          [lindex $gm 2]]
3753         }
3754         wm geometry . [lindex $gm 0]
3755 }
3756 if {[info exists repo_config(gui.geometry)]} {
3757         bind . <Map> [list on_application_mapped]
3758         wm geometry . [lindex $repo_config(gui.geometry) 0]
3759 }
3760
3761 # -- Load window state
3762 #
3763 if {[info exists repo_config(gui.wmstate)]} {
3764         catch {wm state . $repo_config(gui.wmstate)}
3765 }
3766
3767 # -- Key Bindings
3768 #
3769 bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3770 bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3771 bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3772 bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3773 bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3774 bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3775 bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3776 bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3777 bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3778 bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3779 bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3780 bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3781 bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3782 bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3783 bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3784 bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3785 bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3786 bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3787 bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3788 bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3789 bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3790 bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3791
3792 bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3793 bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3794 bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3795 bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3796 bind $ui_diff <$M1B-Key-v> {break}
3797 bind $ui_diff <$M1B-Key-V> {break}
3798 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3799 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3800 bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3801 bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3802 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3803 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3804 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3805 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3806 bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3807 bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3808 bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3809 bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3810 bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3811 bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3812 bind $ui_diff <Button-1>   {focus %W}
3813
3814 if {[is_enabled branch]} {
3815         bind . <$M1B-Key-n> branch_create::dialog
3816         bind . <$M1B-Key-N> branch_create::dialog
3817         bind . <$M1B-Key-o> branch_checkout::dialog
3818         bind . <$M1B-Key-O> branch_checkout::dialog
3819         bind . <$M1B-Key-m> merge::dialog
3820         bind . <$M1B-Key-M> merge::dialog
3821 }
3822 if {[is_enabled transport]} {
3823         bind . <$M1B-Key-p> do_push_anywhere
3824         bind . <$M1B-Key-P> do_push_anywhere
3825 }
3826
3827 bind .   <Key-F5>     ui_do_rescan
3828 bind .   <$M1B-Key-r> ui_do_rescan
3829 bind .   <$M1B-Key-R> ui_do_rescan
3830 bind .   <$M1B-Key-s> do_signoff
3831 bind .   <$M1B-Key-S> do_signoff
3832 bind .   <$M1B-Key-t> { toggle_or_diff toggle %W }
3833 bind .   <$M1B-Key-T> { toggle_or_diff toggle %W }
3834 bind .   <$M1B-Key-u> { toggle_or_diff toggle %W }
3835 bind .   <$M1B-Key-U> { toggle_or_diff toggle %W }
3836 bind .   <$M1B-Key-j> do_revert_selection
3837 bind .   <$M1B-Key-J> do_revert_selection
3838 bind .   <$M1B-Key-i> do_add_all
3839 bind .   <$M1B-Key-I> do_add_all
3840 bind .   <$M1B-Key-minus> {show_less_context;break}
3841 bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3842 bind .   <$M1B-Key-equal> {show_more_context;break}
3843 bind .   <$M1B-Key-plus> {show_more_context;break}
3844 bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3845 bind .   <$M1B-Key-Return> do_commit
3846 foreach i [list $ui_index $ui_workdir] {
3847         bind $i <Button-1>       { toggle_or_diff click %W %x %y; break }
3848         bind $i <$M1B-Button-1>  { add_one_to_selection %W %x %y; break }
3849         bind $i <Shift-Button-1> { add_range_to_selection %W %x %y; break }
3850         bind $i <Key-Up>         { toggle_or_diff up %W; break }
3851         bind $i <Key-Down>       { toggle_or_diff down %W; break }
3852 }
3853 unset i
3854
3855 set file_lists($ui_index) [list]
3856 set file_lists($ui_workdir) [list]
3857
3858 wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3859 focus -force $ui_comm
3860
3861 # -- Warn the user about environmental problems.  Cygwin's Tcl
3862 #    does *not* pass its env array onto any processes it spawns.
3863 #    This means that git processes get none of our environment.
3864 #
3865 if {[is_Cygwin]} {
3866         set ignored_env 0
3867         set suggest_user {}
3868         set msg [mc "Possible environment issues exist.
3869
3870 The following environment variables are probably
3871 going to be ignored by any Git subprocess run
3872 by %s:
3873
3874 " [appname]]
3875         foreach name [array names env] {
3876                 switch -regexp -- $name {
3877                 {^GIT_INDEX_FILE$} -
3878                 {^GIT_OBJECT_DIRECTORY$} -
3879                 {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3880                 {^GIT_DIFF_OPTS$} -
3881                 {^GIT_EXTERNAL_DIFF$} -
3882                 {^GIT_PAGER$} -
3883                 {^GIT_TRACE$} -
3884                 {^GIT_CONFIG$} -
3885                 {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3886                         append msg " - $name\n"
3887                         incr ignored_env
3888                 }
3889                 {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3890                         append msg " - $name\n"
3891                         incr ignored_env
3892                         set suggest_user $name
3893                 }
3894                 }
3895         }
3896         if {$ignored_env > 0} {
3897                 append msg [mc "
3898 This is due to a known issue with the
3899 Tcl binary distributed by Cygwin."]
3900
3901                 if {$suggest_user ne {}} {
3902                         append msg [mc "
3903
3904 A good replacement for %s
3905 is placing values for the user.name and
3906 user.email settings into your personal
3907 ~/.gitconfig file.
3908 " $suggest_user]
3909                 }
3910                 warn_popup $msg
3911         }
3912         unset ignored_env msg suggest_user name
3913 }
3914
3915 # -- Only initialize complex UI if we are going to stay running.
3916 #
3917 if {[is_enabled transport]} {
3918         load_all_remotes
3919
3920         set n [.mbar.remote index end]
3921         populate_remotes_menu
3922         set n [expr {[.mbar.remote index end] - $n}]
3923         if {$n > 0} {
3924                 if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3925                 .mbar.remote insert $n separator
3926         }
3927         unset n
3928 }
3929
3930 if {[winfo exists $ui_comm]} {
3931         set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3932
3933         # -- If both our backup and message files exist use the
3934         #    newer of the two files to initialize the buffer.
3935         #
3936         if {$GITGUI_BCK_exists} {
3937                 set m [gitdir GITGUI_MSG]
3938                 if {[file isfile $m]} {
3939                         if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3940                                 catch {file delete [gitdir GITGUI_MSG]}
3941                         } else {
3942                                 $ui_comm delete 0.0 end
3943                                 $ui_comm edit reset
3944                                 $ui_comm edit modified false
3945                                 catch {file delete [gitdir GITGUI_BCK]}
3946                                 set GITGUI_BCK_exists 0
3947                         }
3948                 }
3949                 unset m
3950         }
3951
3952         proc backup_commit_buffer {} {
3953                 global ui_comm GITGUI_BCK_exists
3954
3955                 set m [$ui_comm edit modified]
3956                 if {$m || $GITGUI_BCK_exists} {
3957                         set msg [string trim [$ui_comm get 0.0 end]]
3958                         regsub -all -line {[ \r\t]+$} $msg {} msg
3959
3960                         if {$msg eq {}} {
3961                                 if {$GITGUI_BCK_exists} {
3962                                         catch {file delete [gitdir GITGUI_BCK]}
3963                                         set GITGUI_BCK_exists 0
3964                                 }
3965                         } elseif {$m} {
3966                                 catch {
3967                                         set fd [open [gitdir GITGUI_BCK] w]
3968                                         fconfigure $fd -encoding utf-8
3969                                         puts -nonewline $fd $msg
3970                                         close $fd
3971                                         set GITGUI_BCK_exists 1
3972                                 }
3973                         }
3974
3975                         $ui_comm edit modified false
3976                 }
3977
3978                 set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3979         }
3980
3981         backup_commit_buffer
3982
3983         # -- If the user has aspell available we can drive it
3984         #    in pipe mode to spellcheck the commit message.
3985         #
3986         set spell_cmd [list |]
3987         set spell_dict [get_config gui.spellingdictionary]
3988         lappend spell_cmd aspell
3989         if {$spell_dict ne {}} {
3990                 lappend spell_cmd --master=$spell_dict
3991         }
3992         lappend spell_cmd --mode=none
3993         lappend spell_cmd --encoding=utf-8
3994         lappend spell_cmd pipe
3995         if {$spell_dict eq {none}
3996          || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3997                 bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3998         } else {
3999                 set ui_comm_spell [spellcheck::init \
4000                         $spell_fd \
4001                         $ui_comm \
4002                         $ui_comm_ctxm \
4003                 ]
4004         }
4005         unset -nocomplain spell_cmd spell_fd spell_err spell_dict
4006 }
4007
4008 lock_index begin-read
4009 if {![winfo ismapped .]} {
4010         wm deiconify .
4011 }
4012 after 1 {
4013         if {[is_enabled initialamend]} {
4014                 force_amend
4015         } else {
4016                 do_rescan
4017         }
4018
4019         if {[is_enabled nocommitmsg]} {
4020                 $ui_comm configure -state disabled -background gray
4021         }
4022 }
4023 if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4024         after 1000 hint_gc
4025 }
4026 if {[is_enabled retcode]} {
4027         bind . <Destroy> {+terminate_me %W}
4028 }
4029 if {$picked && [is_config_true gui.autoexplore]} {
4030         do_explore
4031 }
4032
4033 # Local variables:
4034 # mode: tcl
4035 # indent-tabs-mode: t
4036 # tab-width: 4
4037 # End: