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