git-gui / git-gui.shon commit Merge branch 'mg/reset-doc' (a6fa2a8)
   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
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$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}
  68unset oguirel
  69
  70######################################################################
  71##
  72## enable verbose loading?
  73
  74if {![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
  93package require msgcat
  94
  95proc _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
 103proc 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
 111proc strcat {args} {
 112        return [join $args {}]
 113}
 114
 115::msgcat::mcload $oguimsg
 116unset oguimsg
 117
 118######################################################################
 119##
 120## read only globals
 121
 122set _appname {Git Gui}
 123set _gitdir {}
 124set _gitworktree {}
 125set _isbare {}
 126set _gitexec {}
 127set _githtmldir {}
 128set _reponame {}
 129set _iscygwin {}
 130set _search_path {}
 131set _shellpath {@@SHELL_PATH@@}
 132
 133set _trace [lsearch -exact $argv --trace]
 134if {$_trace >= 0} {
 135        set argv [lreplace $argv $_trace $_trace]
 136        set _trace 1
 137} else {
 138        set _trace 0
 139}
 140
 141proc shellpath {} {
 142        global _shellpath env
 143        if {[string match @@* $_shellpath]} {
 144                if {[info exists env(SHELL)]} {
 145                        return $env(SHELL)
 146                } else {
 147                        return /bin/sh
 148                }
 149        }
 150        return $_shellpath
 151}
 152
 153proc appname {} {
 154        global _appname
 155        return $_appname
 156}
 157
 158proc gitdir {args} {
 159        global _gitdir
 160        if {$args eq {}} {
 161                return $_gitdir
 162        }
 163        return [eval [list file join $_gitdir] $args]
 164}
 165
 166proc gitexec {args} {
 167        global _gitexec
 168        if {$_gitexec eq {}} {
 169                if {[catch {set _gitexec [git --exec-path]} err]} {
 170                        error "Git not installed?\n\n$err"
 171                }
 172                if {[is_Cygwin]} {
 173                        set _gitexec [exec cygpath \
 174                                --windows \
 175                                --absolute \
 176                                $_gitexec]
 177                } else {
 178                        set _gitexec [file normalize $_gitexec]
 179                }
 180        }
 181        if {$args eq {}} {
 182                return $_gitexec
 183        }
 184        return [eval [list file join $_gitexec] $args]
 185}
 186
 187proc githtmldir {args} {
 188        global _githtmldir
 189        if {$_githtmldir eq {}} {
 190                if {[catch {set _githtmldir [git --html-path]}]} {
 191                        # Git not installed or option not yet supported
 192                        return {}
 193                }
 194                if {[is_Cygwin]} {
 195                        set _githtmldir [exec cygpath \
 196                                --windows \
 197                                --absolute \
 198                                $_githtmldir]
 199                } else {
 200                        set _githtmldir [file normalize $_githtmldir]
 201                }
 202        }
 203        if {$args eq {}} {
 204                return $_githtmldir
 205        }
 206        return [eval [list file join $_githtmldir] $args]
 207}
 208
 209proc reponame {} {
 210        return $::_reponame
 211}
 212
 213proc is_MacOSX {} {
 214        if {[tk windowingsystem] eq {aqua}} {
 215                return 1
 216        }
 217        return 0
 218}
 219
 220proc is_Windows {} {
 221        if {$::tcl_platform(platform) eq {windows}} {
 222                return 1
 223        }
 224        return 0
 225}
 226
 227proc is_Cygwin {} {
 228        global _iscygwin
 229        if {$_iscygwin eq {}} {
 230                if {$::tcl_platform(platform) eq {windows}} {
 231                        if {[catch {set p [exec cygpath --windir]} err]} {
 232                                set _iscygwin 0
 233                        } else {
 234                                set _iscygwin 1
 235                        }
 236                } else {
 237                        set _iscygwin 0
 238                }
 239        }
 240        return $_iscygwin
 241}
 242
 243proc is_enabled {option} {
 244        global enabled_options
 245        if {[catch {set on $enabled_options($option)}]} {return 0}
 246        return $on
 247}
 248
 249proc enable_option {option} {
 250        global enabled_options
 251        set enabled_options($option) 1
 252}
 253
 254proc disable_option {option} {
 255        global enabled_options
 256        set enabled_options($option) 0
 257}
 258
 259######################################################################
 260##
 261## config
 262
 263proc is_many_config {name} {
 264        switch -glob -- $name {
 265        gui.recentrepo -
 266        remote.*.fetch -
 267        remote.*.push
 268                {return 1}
 269        *
 270                {return 0}
 271        }
 272}
 273
 274proc is_config_true {name} {
 275        global repo_config
 276        if {[catch {set v $repo_config($name)}]} {
 277                return 0
 278        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 279                return 1
 280        } else {
 281                return 0
 282        }
 283}
 284
 285proc is_config_false {name} {
 286        global repo_config
 287        if {[catch {set v $repo_config($name)}]} {
 288                return 0
 289        } elseif {$v eq {false} || $v eq {0} || $v eq {no}} {
 290                return 1
 291        } else {
 292                return 0
 293        }
 294}
 295
 296proc get_config {name} {
 297        global repo_config
 298        if {[catch {set v $repo_config($name)}]} {
 299                return {}
 300        } else {
 301                return $v
 302        }
 303}
 304
 305proc is_bare {} {
 306        global _isbare
 307        global _gitdir
 308        global _gitworktree
 309
 310        if {$_isbare eq {}} {
 311                if {[catch {
 312                        set _bare [git rev-parse --is-bare-repository]
 313                        switch  -- $_bare {
 314                        true { set _isbare 1 }
 315                        false { set _isbare 0}
 316                        default { throw }
 317                        }
 318                }]} {
 319                        if {[is_config_true core.bare]
 320                                || ($_gitworktree eq {}
 321                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 322                                set _isbare 1
 323                        } else {
 324                                set _isbare 0
 325                        }
 326                }
 327        }
 328        return $_isbare
 329}
 330
 331######################################################################
 332##
 333## handy utils
 334
 335proc _trace_exec {cmd} {
 336        if {!$::_trace} return
 337        set d {}
 338        foreach v $cmd {
 339                if {$d ne {}} {
 340                        append d { }
 341                }
 342                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 343                        set v [sq $v]
 344                }
 345                append d $v
 346        }
 347        puts stderr $d
 348}
 349
 350#'"  fix poor old emacs font-lock mode
 351
 352proc _git_cmd {name} {
 353        global _git_cmd_path
 354
 355        if {[catch {set v $_git_cmd_path($name)}]} {
 356                switch -- $name {
 357                  version   -
 358                --version   -
 359                --exec-path { return [list $::_git $name] }
 360                }
 361
 362                set p [gitexec git-$name$::_search_exe]
 363                if {[file exists $p]} {
 364                        set v [list $p]
 365                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 366                        # Try to determine what sort of magic will make
 367                        # git-$name go and do its thing, because native
 368                        # Tcl on Windows doesn't know it.
 369                        #
 370                        set p [gitexec git-$name]
 371                        set f [open $p r]
 372                        set s [gets $f]
 373                        close $f
 374
 375                        switch -glob -- [lindex $s 0] {
 376                        #!*sh     { set i sh     }
 377                        #!*perl   { set i perl   }
 378                        #!*python { set i python }
 379                        default   { error "git-$name is not supported: $s" }
 380                        }
 381
 382                        upvar #0 _$i interp
 383                        if {![info exists interp]} {
 384                                set interp [_which $i]
 385                        }
 386                        if {$interp eq {}} {
 387                                error "git-$name requires $i (not in PATH)"
 388                        }
 389                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 390                } else {
 391                        # Assume it is builtin to git somehow and we
 392                        # aren't actually able to see a file for it.
 393                        #
 394                        set v [list $::_git $name]
 395                }
 396                set _git_cmd_path($name) $v
 397        }
 398        return $v
 399}
 400
 401proc _which {what args} {
 402        global env _search_exe _search_path
 403
 404        if {$_search_path eq {}} {
 405                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 406                        set _search_path [split [exec cygpath \
 407                                --windows \
 408                                --path \
 409                                --absolute \
 410                                $env(PATH)] {;}]
 411                        set _search_exe .exe
 412                } elseif {[is_Windows]} {
 413                        set gitguidir [file dirname [info script]]
 414                        regsub -all ";" $gitguidir "\\;" gitguidir
 415                        set env(PATH) "$gitguidir;$env(PATH)"
 416                        set _search_path [split $env(PATH) {;}]
 417                        set _search_exe .exe
 418                } else {
 419                        set _search_path [split $env(PATH) :]
 420                        set _search_exe {}
 421                }
 422        }
 423
 424        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 425                set suffix {}
 426        } else {
 427                set suffix $_search_exe
 428        }
 429
 430        foreach p $_search_path {
 431                set p [file join $p $what$suffix]
 432                if {[file exists $p]} {
 433                        return [file normalize $p]
 434                }
 435        }
 436        return {}
 437}
 438
 439proc _lappend_nice {cmd_var} {
 440        global _nice
 441        upvar $cmd_var cmd
 442
 443        if {![info exists _nice]} {
 444                set _nice [_which nice]
 445                if {[catch {exec $_nice git version}]} {
 446                        set _nice {}
 447                }
 448        }
 449        if {$_nice ne {}} {
 450                lappend cmd $_nice
 451        }
 452}
 453
 454proc git {args} {
 455        set opt [list]
 456
 457        while {1} {
 458                switch -- [lindex $args 0] {
 459                --nice {
 460                        _lappend_nice opt
 461                }
 462
 463                default {
 464                        break
 465                }
 466
 467                }
 468
 469                set args [lrange $args 1 end]
 470        }
 471
 472        set cmdp [_git_cmd [lindex $args 0]]
 473        set args [lrange $args 1 end]
 474
 475        _trace_exec [concat $opt $cmdp $args]
 476        set result [eval exec $opt $cmdp $args]
 477        if {$::_trace} {
 478                puts stderr "< $result"
 479        }
 480        return $result
 481}
 482
 483proc _open_stdout_stderr {cmd} {
 484        _trace_exec $cmd
 485        if {[catch {
 486                        set fd [open [concat [list | ] $cmd] r]
 487                } err]} {
 488                if {   [lindex $cmd end] eq {2>@1}
 489                    && $err eq {can not find channel named "1"}
 490                        } {
 491                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 492                        # redirect operator.  Fallback to |& cat for those.
 493                        # The command was not actually started, so its safe
 494                        # to try to start it a second time.
 495                        #
 496                        set fd [open [concat \
 497                                [list | ] \
 498                                [lrange $cmd 0 end-1] \
 499                                [list |& cat] \
 500                                ] r]
 501                } else {
 502                        error $err
 503                }
 504        }
 505        fconfigure $fd -eofchar {}
 506        return $fd
 507}
 508
 509proc git_read {args} {
 510        set opt [list]
 511
 512        while {1} {
 513                switch -- [lindex $args 0] {
 514                --nice {
 515                        _lappend_nice opt
 516                }
 517
 518                --stderr {
 519                        lappend args 2>@1
 520                }
 521
 522                default {
 523                        break
 524                }
 525
 526                }
 527
 528                set args [lrange $args 1 end]
 529        }
 530
 531        set cmdp [_git_cmd [lindex $args 0]]
 532        set args [lrange $args 1 end]
 533
 534        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 535}
 536
 537proc git_write {args} {
 538        set opt [list]
 539
 540        while {1} {
 541                switch -- [lindex $args 0] {
 542                --nice {
 543                        _lappend_nice opt
 544                }
 545
 546                default {
 547                        break
 548                }
 549
 550                }
 551
 552                set args [lrange $args 1 end]
 553        }
 554
 555        set cmdp [_git_cmd [lindex $args 0]]
 556        set args [lrange $args 1 end]
 557
 558        _trace_exec [concat $opt $cmdp $args]
 559        return [open [concat [list | ] $opt $cmdp $args] w]
 560}
 561
 562proc githook_read {hook_name args} {
 563        set pchook [gitdir hooks $hook_name]
 564        lappend args 2>@1
 565
 566        # On Windows [file executable] might lie so we need to ask
 567        # the shell if the hook is executable.  Yes that's annoying.
 568        #
 569        if {[is_Windows]} {
 570                upvar #0 _sh interp
 571                if {![info exists interp]} {
 572                        set interp [_which sh]
 573                }
 574                if {$interp eq {}} {
 575                        error "hook execution requires sh (not in PATH)"
 576                }
 577
 578                set scr {if test -x "$1";then exec "$@";fi}
 579                set sh_c [list $interp -c $scr $interp $pchook]
 580                return [_open_stdout_stderr [concat $sh_c $args]]
 581        }
 582
 583        if {[file executable $pchook]} {
 584                return [_open_stdout_stderr [concat [list $pchook] $args]]
 585        }
 586
 587        return {}
 588}
 589
 590proc kill_file_process {fd} {
 591        set process [pid $fd]
 592
 593        catch {
 594                if {[is_Windows]} {
 595                        # Use a Cygwin-specific flag to allow killing
 596                        # native Windows processes
 597                        exec kill -f $process
 598                } else {
 599                        exec kill $process
 600                }
 601        }
 602}
 603
 604proc gitattr {path attr default} {
 605        if {[catch {set r [git check-attr $attr -- $path]}]} {
 606                set r unspecified
 607        } else {
 608                set r [join [lrange [split $r :] 2 end] :]
 609                regsub {^ } $r {} r
 610        }
 611        if {$r eq {unspecified}} {
 612                return $default
 613        }
 614        return $r
 615}
 616
 617proc sq {value} {
 618        regsub -all ' $value "'\\''" value
 619        return "'$value'"
 620}
 621
 622proc load_current_branch {} {
 623        global current_branch is_detached
 624
 625        set fd [open [gitdir HEAD] r]
 626        if {[gets $fd ref] < 1} {
 627                set ref {}
 628        }
 629        close $fd
 630
 631        set pfx {ref: refs/heads/}
 632        set len [string length $pfx]
 633        if {[string equal -length $len $pfx $ref]} {
 634                # We're on a branch.  It might not exist.  But
 635                # HEAD looks good enough to be a branch.
 636                #
 637                set current_branch [string range $ref $len end]
 638                set is_detached 0
 639        } else {
 640                # Assume this is a detached head.
 641                #
 642                set current_branch HEAD
 643                set is_detached 1
 644        }
 645}
 646
 647auto_load tk_optionMenu
 648rename tk_optionMenu real__tkOptionMenu
 649proc tk_optionMenu {w varName args} {
 650        set m [eval real__tkOptionMenu $w $varName $args]
 651        $m configure -font font_ui
 652        $w configure -font font_ui
 653        return $m
 654}
 655
 656proc rmsel_tag {text} {
 657        $text tag conf sel \
 658                -background [$text cget -background] \
 659                -foreground [$text cget -foreground] \
 660                -borderwidth 0
 661        $text tag conf in_sel -background lightgray
 662        bind $text <Motion> break
 663        return $text
 664}
 665
 666wm withdraw .
 667set root_exists 0
 668bind . <Visibility> {
 669        bind . <Visibility> {}
 670        set root_exists 1
 671}
 672
 673if {[is_Windows]} {
 674        wm iconbitmap . -default $oguilib/git-gui.ico
 675        set ::tk::AlwaysShowSelection 1
 676
 677        # Spoof an X11 display for SSH
 678        if {![info exists env(DISPLAY)]} {
 679                set env(DISPLAY) :9999
 680        }
 681} else {
 682        catch {
 683                image create photo gitlogo -width 16 -height 16
 684
 685                gitlogo put #33CC33 -to  7  0  9  2
 686                gitlogo put #33CC33 -to  4  2 12  4
 687                gitlogo put #33CC33 -to  7  4  9  6
 688                gitlogo put #CC3333 -to  4  6 12  8
 689                gitlogo put gray26  -to  4  9  6 10
 690                gitlogo put gray26  -to  3 10  6 12
 691                gitlogo put gray26  -to  8  9 13 11
 692                gitlogo put gray26  -to  8 11 10 12
 693                gitlogo put gray26  -to 11 11 13 14
 694                gitlogo put gray26  -to  3 12  5 14
 695                gitlogo put gray26  -to  5 13
 696                gitlogo put gray26  -to 10 13
 697                gitlogo put gray26  -to  4 14 12 15
 698                gitlogo put gray26  -to  5 15 11 16
 699                gitlogo redither
 700
 701                wm iconphoto . -default gitlogo
 702        }
 703}
 704
 705######################################################################
 706##
 707## config defaults
 708
 709set cursor_ptr arrow
 710font create font_ui
 711if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 712        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 713        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 714} else {
 715        font create font_diff -family Courier -size 10
 716        catch {
 717                label .dummy
 718                eval font configure font_ui [font actual [.dummy cget -font]]
 719                destroy .dummy
 720        }
 721}
 722
 723font create font_uiitalic
 724font create font_uibold
 725font create font_diffbold
 726font create font_diffitalic
 727
 728foreach class {Button Checkbutton Entry Label
 729                Labelframe Listbox Message
 730                Radiobutton Spinbox Text} {
 731        option add *$class.font font_ui
 732}
 733if {![is_MacOSX]} {
 734        option add *Menu.font font_ui
 735        option add *Entry.borderWidth 1 startupFile
 736        option add *Entry.relief sunken startupFile
 737        option add *RadioButton.anchor w startupFile
 738}
 739unset class
 740
 741if {[is_Windows] || [is_MacOSX]} {
 742        option add *Menu.tearOff 0
 743}
 744
 745if {[is_MacOSX]} {
 746        set M1B M1
 747        set M1T Cmd
 748} else {
 749        set M1B Control
 750        set M1T Ctrl
 751}
 752
 753proc bind_button3 {w cmd} {
 754        bind $w <Any-Button-3> $cmd
 755        if {[is_MacOSX]} {
 756                # Mac OS X sends Button-2 on right click through three-button mouse,
 757                # or through trackpad right-clicking (two-finger touch + click).
 758                bind $w <Any-Button-2> $cmd
 759                bind $w <Control-Button-1> $cmd
 760        }
 761}
 762
 763proc apply_config {} {
 764        global repo_config font_descs
 765
 766        foreach option $font_descs {
 767                set name [lindex $option 0]
 768                set font [lindex $option 1]
 769                if {[catch {
 770                        set need_weight 1
 771                        foreach {cn cv} $repo_config(gui.$name) {
 772                                if {$cn eq {-weight}} {
 773                                        set need_weight 0
 774                                }
 775                                font configure $font $cn $cv
 776                        }
 777                        if {$need_weight} {
 778                                font configure $font -weight normal
 779                        }
 780                        } err]} {
 781                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 782                }
 783                foreach {cn cv} [font configure $font] {
 784                        font configure ${font}bold $cn $cv
 785                        font configure ${font}italic $cn $cv
 786                }
 787                font configure ${font}bold -weight bold
 788                font configure ${font}italic -slant italic
 789        }
 790
 791        global use_ttk NS
 792        set use_ttk 0
 793        set NS {}
 794        if {$repo_config(gui.usettk)} {
 795                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 796                if {$use_ttk} {
 797                        set NS ttk
 798                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 799                        pave_toplevel .
 800                }
 801        }
 802}
 803
 804set default_config(branch.autosetupmerge) true
 805set default_config(merge.tool) {}
 806set default_config(mergetool.keepbackup) true
 807set default_config(merge.diffstat) true
 808set default_config(merge.summary) false
 809set default_config(merge.verbosity) 2
 810set default_config(user.name) {}
 811set default_config(user.email) {}
 812
 813set default_config(gui.encoding) [encoding system]
 814set default_config(gui.matchtrackingbranch) false
 815set default_config(gui.textconv) true
 816set default_config(gui.pruneduringfetch) false
 817set default_config(gui.trustmtime) false
 818set default_config(gui.fastcopyblame) false
 819set default_config(gui.copyblamethreshold) 40
 820set default_config(gui.blamehistoryctx) 7
 821set default_config(gui.diffcontext) 5
 822set default_config(gui.commitmsgwidth) 75
 823set default_config(gui.newbranchtemplate) {}
 824set default_config(gui.spellingdictionary) {}
 825set default_config(gui.fontui) [font configure font_ui]
 826set default_config(gui.fontdiff) [font configure font_diff]
 827# TODO: this option should be added to the git-config documentation
 828set default_config(gui.maxfilesdisplayed) 5000
 829set default_config(gui.usettk) 1
 830set font_descs {
 831        {fontui   font_ui   {mc "Main Font"}}
 832        {fontdiff font_diff {mc "Diff/Console Font"}}
 833}
 834
 835######################################################################
 836##
 837## find git
 838
 839set _git  [_which git]
 840if {$_git eq {}} {
 841        catch {wm withdraw .}
 842        tk_messageBox \
 843                -icon error \
 844                -type ok \
 845                -title [mc "git-gui: fatal error"] \
 846                -message [mc "Cannot find git in PATH."]
 847        exit 1
 848}
 849
 850######################################################################
 851##
 852## version check
 853
 854if {[catch {set _git_version [git --version]} err]} {
 855        catch {wm withdraw .}
 856        tk_messageBox \
 857                -icon error \
 858                -type ok \
 859                -title [mc "git-gui: fatal error"] \
 860                -message "Cannot determine Git version:
 861
 862$err
 863
 864[appname] requires Git 1.5.0 or later."
 865        exit 1
 866}
 867if {![regsub {^git version } $_git_version {} _git_version]} {
 868        catch {wm withdraw .}
 869        tk_messageBox \
 870                -icon error \
 871                -type ok \
 872                -title [mc "git-gui: fatal error"] \
 873                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 874        exit 1
 875}
 876
 877set _real_git_version $_git_version
 878regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 879regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 880regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 881regsub {\.GIT$} $_git_version {} _git_version
 882regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 883
 884if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 885        catch {wm withdraw .}
 886        if {[tk_messageBox \
 887                -icon warning \
 888                -type yesno \
 889                -default no \
 890                -title "[appname]: warning" \
 891                 -message [mc "Git version cannot be determined.
 892
 893%s claims it is version '%s'.
 894
 895%s requires at least Git 1.5.0 or later.
 896
 897Assume '%s' is version 1.5.0?
 898" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 899                set _git_version 1.5.0
 900        } else {
 901                exit 1
 902        }
 903}
 904unset _real_git_version
 905
 906proc git-version {args} {
 907        global _git_version
 908
 909        switch [llength $args] {
 910        0 {
 911                return $_git_version
 912        }
 913
 914        2 {
 915                set op [lindex $args 0]
 916                set vr [lindex $args 1]
 917                set cm [package vcompare $_git_version $vr]
 918                return [expr $cm $op 0]
 919        }
 920
 921        4 {
 922                set type [lindex $args 0]
 923                set name [lindex $args 1]
 924                set parm [lindex $args 2]
 925                set body [lindex $args 3]
 926
 927                if {($type ne {proc} && $type ne {method})} {
 928                        error "Invalid arguments to git-version"
 929                }
 930                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 931                        error "Last arm of $type $name must be default"
 932                }
 933
 934                foreach {op vr cb} [lrange $body 0 end-2] {
 935                        if {[git-version $op $vr]} {
 936                                return [uplevel [list $type $name $parm $cb]]
 937                        }
 938                }
 939
 940                return [uplevel [list $type $name $parm [lindex $body end]]]
 941        }
 942
 943        default {
 944                error "git-version >= x"
 945        }
 946
 947        }
 948}
 949
 950if {[git-version < 1.5]} {
 951        catch {wm withdraw .}
 952        tk_messageBox \
 953                -icon error \
 954                -type ok \
 955                -title [mc "git-gui: fatal error"] \
 956                -message "[appname] requires Git 1.5.0 or later.
 957
 958You are using [git-version]:
 959
 960[git --version]"
 961        exit 1
 962}
 963
 964######################################################################
 965##
 966## configure our library
 967
 968set idx [file join $oguilib tclIndex]
 969if {[catch {set fd [open $idx r]} err]} {
 970        catch {wm withdraw .}
 971        tk_messageBox \
 972                -icon error \
 973                -type ok \
 974                -title [mc "git-gui: fatal error"] \
 975                -message $err
 976        exit 1
 977}
 978if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 979        set idx [list]
 980        while {[gets $fd n] >= 0} {
 981                if {$n ne {} && ![string match #* $n]} {
 982                        lappend idx $n
 983                }
 984        }
 985} else {
 986        set idx {}
 987}
 988close $fd
 989
 990if {$idx ne {}} {
 991        set loaded [list]
 992        foreach p $idx {
 993                if {[lsearch -exact $loaded $p] >= 0} continue
 994                source [file join $oguilib $p]
 995                lappend loaded $p
 996        }
 997        unset loaded p
 998} else {
 999        set auto_path [concat [list $oguilib] $auto_path]
1000}
1001unset -nocomplain idx fd
1002
1003######################################################################
1004##
1005## config file parsing
1006
1007git-version proc _parse_config {arr_name args} {
1008        >= 1.5.3 {
1009                upvar $arr_name arr
1010                array unset arr
1011                set buf {}
1012                catch {
1013                        set fd_rc [eval \
1014                                [list git_read config] \
1015                                $args \
1016                                [list --null --list]]
1017                        fconfigure $fd_rc -translation binary
1018                        set buf [read $fd_rc]
1019                        close $fd_rc
1020                }
1021                foreach line [split $buf "\0"] {
1022                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1023                                if {[is_many_config $name]} {
1024                                        lappend arr($name) $value
1025                                } else {
1026                                        set arr($name) $value
1027                                }
1028                        }
1029                }
1030        }
1031        default {
1032                upvar $arr_name arr
1033                array unset arr
1034                catch {
1035                        set fd_rc [eval [list git_read config --list] $args]
1036                        while {[gets $fd_rc line] >= 0} {
1037                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1038                                        if {[is_many_config $name]} {
1039                                                lappend arr($name) $value
1040                                        } else {
1041                                                set arr($name) $value
1042                                        }
1043                                }
1044                        }
1045                        close $fd_rc
1046                }
1047        }
1048}
1049
1050proc load_config {include_global} {
1051        global repo_config global_config system_config default_config
1052
1053        if {$include_global} {
1054                _parse_config system_config --system
1055                _parse_config global_config --global
1056        }
1057        _parse_config repo_config
1058
1059        foreach name [array names default_config] {
1060                if {[catch {set v $system_config($name)}]} {
1061                        set system_config($name) $default_config($name)
1062                }
1063        }
1064        foreach name [array names system_config] {
1065                if {[catch {set v $global_config($name)}]} {
1066                        set global_config($name) $system_config($name)
1067                }
1068                if {[catch {set v $repo_config($name)}]} {
1069                        set repo_config($name) $system_config($name)
1070                }
1071        }
1072}
1073
1074######################################################################
1075##
1076## feature option selection
1077
1078if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1079        unset _junk
1080} else {
1081        set subcommand gui
1082}
1083if {$subcommand eq {gui.sh}} {
1084        set subcommand gui
1085}
1086if {$subcommand eq {gui} && [llength $argv] > 0} {
1087        set subcommand [lindex $argv 0]
1088        set argv [lrange $argv 1 end]
1089}
1090
1091enable_option multicommit
1092enable_option branch
1093enable_option transport
1094disable_option bare
1095
1096switch -- $subcommand {
1097browser -
1098blame {
1099        enable_option bare
1100
1101        disable_option multicommit
1102        disable_option branch
1103        disable_option transport
1104}
1105citool {
1106        enable_option singlecommit
1107        enable_option retcode
1108
1109        disable_option multicommit
1110        disable_option branch
1111        disable_option transport
1112
1113        while {[llength $argv] > 0} {
1114                set a [lindex $argv 0]
1115                switch -- $a {
1116                --amend {
1117                        enable_option initialamend
1118                }
1119                --nocommit {
1120                        enable_option nocommit
1121                        enable_option nocommitmsg
1122                }
1123                --commitmsg {
1124                        disable_option nocommitmsg
1125                }
1126                default {
1127                        break
1128                }
1129                }
1130
1131                set argv [lrange $argv 1 end]
1132        }
1133}
1134}
1135
1136######################################################################
1137##
1138## execution environment
1139
1140set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1141
1142# Suggest our implementation of askpass, if none is set
1143if {![info exists env(SSH_ASKPASS)]} {
1144        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1145}
1146
1147######################################################################
1148##
1149## repository setup
1150
1151set picked 0
1152if {[catch {
1153                set _gitdir $env(GIT_DIR)
1154                set _prefix {}
1155                }]
1156        && [catch {
1157                # beware that from the .git dir this sets _gitdir to .
1158                # and _prefix to the empty string
1159                set _gitdir [git rev-parse --git-dir]
1160                set _prefix [git rev-parse --show-prefix]
1161        } err]} {
1162        load_config 1
1163        apply_config
1164        choose_repository::pick
1165        set picked 1
1166}
1167
1168# we expand the _gitdir when it's just a single dot (i.e. when we're being
1169# run from the .git dir itself) lest the routines to find the worktree
1170# get confused
1171if {$_gitdir eq "."} {
1172        set _gitdir [pwd]
1173}
1174
1175if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1176        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1177}
1178if {![file isdirectory $_gitdir]} {
1179        catch {wm withdraw .}
1180        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1181        exit 1
1182}
1183# _gitdir exists, so try loading the config
1184load_config 0
1185apply_config
1186# try to set work tree from environment, falling back to core.worktree
1187if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1188        set _gitworktree [get_config core.worktree]
1189        if {$_gitworktree eq ""} {
1190                set _gitworktree [file dirname [file normalize $_gitdir]]
1191        }
1192}
1193if {$_prefix ne {}} {
1194        if {$_gitworktree eq {}} {
1195                regsub -all {[^/]+/} $_prefix ../ cdup
1196        } else {
1197                set cdup $_gitworktree
1198        }
1199        if {[catch {cd $cdup} err]} {
1200                catch {wm withdraw .}
1201                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1202                exit 1
1203        }
1204        set _gitworktree [pwd]
1205        unset cdup
1206} elseif {![is_enabled bare]} {
1207        if {[is_bare]} {
1208                catch {wm withdraw .}
1209                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1210                exit 1
1211        }
1212        if {$_gitworktree eq {}} {
1213                set _gitworktree [file dirname $_gitdir]
1214        }
1215        if {[catch {cd $_gitworktree} err]} {
1216                catch {wm withdraw .}
1217                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1218                exit 1
1219        }
1220        set _gitworktree [pwd]
1221}
1222set _reponame [file split [file normalize $_gitdir]]
1223if {[lindex $_reponame end] eq {.git}} {
1224        set _reponame [lindex $_reponame end-1]
1225} else {
1226        set _reponame [lindex $_reponame end]
1227}
1228
1229set env(GIT_DIR) $_gitdir
1230set env(GIT_WORK_TREE) $_gitworktree
1231
1232######################################################################
1233##
1234## global init
1235
1236set current_diff_path {}
1237set current_diff_side {}
1238set diff_actions [list]
1239
1240set HEAD {}
1241set PARENT {}
1242set MERGE_HEAD [list]
1243set commit_type {}
1244set empty_tree {}
1245set current_branch {}
1246set is_detached 0
1247set current_diff_path {}
1248set is_3way_diff 0
1249set is_submodule_diff 0
1250set is_conflict_diff 0
1251set selected_commit_type new
1252set diff_empty_count 0
1253
1254set nullid "0000000000000000000000000000000000000000"
1255set nullid2 "0000000000000000000000000000000000000001"
1256
1257######################################################################
1258##
1259## task management
1260
1261set rescan_active 0
1262set diff_active 0
1263set last_clicked {}
1264
1265set disable_on_lock [list]
1266set index_lock_type none
1267
1268proc lock_index {type} {
1269        global index_lock_type disable_on_lock
1270
1271        if {$index_lock_type eq {none}} {
1272                set index_lock_type $type
1273                foreach w $disable_on_lock {
1274                        uplevel #0 $w disabled
1275                }
1276                return 1
1277        } elseif {$index_lock_type eq "begin-$type"} {
1278                set index_lock_type $type
1279                return 1
1280        }
1281        return 0
1282}
1283
1284proc unlock_index {} {
1285        global index_lock_type disable_on_lock
1286
1287        set index_lock_type none
1288        foreach w $disable_on_lock {
1289                uplevel #0 $w normal
1290        }
1291}
1292
1293######################################################################
1294##
1295## status
1296
1297proc repository_state {ctvar hdvar mhvar} {
1298        global current_branch
1299        upvar $ctvar ct $hdvar hd $mhvar mh
1300
1301        set mh [list]
1302
1303        load_current_branch
1304        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1305                set hd {}
1306                set ct initial
1307                return
1308        }
1309
1310        set merge_head [gitdir MERGE_HEAD]
1311        if {[file exists $merge_head]} {
1312                set ct merge
1313                set fd_mh [open $merge_head r]
1314                while {[gets $fd_mh line] >= 0} {
1315                        lappend mh $line
1316                }
1317                close $fd_mh
1318                return
1319        }
1320
1321        set ct normal
1322}
1323
1324proc PARENT {} {
1325        global PARENT empty_tree
1326
1327        set p [lindex $PARENT 0]
1328        if {$p ne {}} {
1329                return $p
1330        }
1331        if {$empty_tree eq {}} {
1332                set empty_tree [git mktree << {}]
1333        }
1334        return $empty_tree
1335}
1336
1337proc force_amend {} {
1338        global selected_commit_type
1339        global HEAD PARENT MERGE_HEAD commit_type
1340
1341        repository_state newType newHEAD newMERGE_HEAD
1342        set HEAD $newHEAD
1343        set PARENT $newHEAD
1344        set MERGE_HEAD $newMERGE_HEAD
1345        set commit_type $newType
1346
1347        set selected_commit_type amend
1348        do_select_commit_type
1349}
1350
1351proc rescan {after {honor_trustmtime 1}} {
1352        global HEAD PARENT MERGE_HEAD commit_type
1353        global ui_index ui_workdir ui_comm
1354        global rescan_active file_states
1355        global repo_config
1356
1357        if {$rescan_active > 0 || ![lock_index read]} return
1358
1359        repository_state newType newHEAD newMERGE_HEAD
1360        if {[string match amend* $commit_type]
1361                && $newType eq {normal}
1362                && $newHEAD eq $HEAD} {
1363        } else {
1364                set HEAD $newHEAD
1365                set PARENT $newHEAD
1366                set MERGE_HEAD $newMERGE_HEAD
1367                set commit_type $newType
1368        }
1369
1370        array unset file_states
1371
1372        if {!$::GITGUI_BCK_exists &&
1373                (![$ui_comm edit modified]
1374                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1375                if {[string match amend* $commit_type]} {
1376                } elseif {[load_message GITGUI_MSG]} {
1377                } elseif {[run_prepare_commit_msg_hook]} {
1378                } elseif {[load_message MERGE_MSG]} {
1379                } elseif {[load_message SQUASH_MSG]} {
1380                }
1381                $ui_comm edit reset
1382                $ui_comm edit modified false
1383        }
1384
1385        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1386                rescan_stage2 {} $after
1387        } else {
1388                set rescan_active 1
1389                ui_status [mc "Refreshing file status..."]
1390                set fd_rf [git_read update-index \
1391                        -q \
1392                        --unmerged \
1393                        --ignore-missing \
1394                        --refresh \
1395                        ]
1396                fconfigure $fd_rf -blocking 0 -translation binary
1397                fileevent $fd_rf readable \
1398                        [list rescan_stage2 $fd_rf $after]
1399        }
1400}
1401
1402if {[is_Cygwin]} {
1403        set is_git_info_exclude {}
1404        proc have_info_exclude {} {
1405                global is_git_info_exclude
1406
1407                if {$is_git_info_exclude eq {}} {
1408                        if {[catch {exec test -f [gitdir info exclude]}]} {
1409                                set is_git_info_exclude 0
1410                        } else {
1411                                set is_git_info_exclude 1
1412                        }
1413                }
1414                return $is_git_info_exclude
1415        }
1416} else {
1417        proc have_info_exclude {} {
1418                return [file readable [gitdir info exclude]]
1419        }
1420}
1421
1422proc rescan_stage2 {fd after} {
1423        global rescan_active buf_rdi buf_rdf buf_rlo
1424
1425        if {$fd ne {}} {
1426                read $fd
1427                if {![eof $fd]} return
1428                close $fd
1429        }
1430
1431        set ls_others [list --exclude-per-directory=.gitignore]
1432        if {[have_info_exclude]} {
1433                lappend ls_others "--exclude-from=[gitdir info exclude]"
1434        }
1435        set user_exclude [get_config core.excludesfile]
1436        if {$user_exclude ne {} && [file readable $user_exclude]} {
1437                lappend ls_others "--exclude-from=$user_exclude"
1438        }
1439
1440        set buf_rdi {}
1441        set buf_rdf {}
1442        set buf_rlo {}
1443
1444        set rescan_active 3
1445        ui_status [mc "Scanning for modified files ..."]
1446        set fd_di [git_read diff-index --cached -z [PARENT]]
1447        set fd_df [git_read diff-files -z]
1448        set fd_lo [eval git_read ls-files --others -z $ls_others]
1449
1450        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1451        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1452        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1453        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1454        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1455        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1456}
1457
1458proc load_message {file} {
1459        global ui_comm
1460
1461        set f [gitdir $file]
1462        if {[file isfile $f]} {
1463                if {[catch {set fd [open $f r]}]} {
1464                        return 0
1465                }
1466                fconfigure $fd -eofchar {}
1467                set content [string trim [read $fd]]
1468                close $fd
1469                regsub -all -line {[ \r\t]+$} $content {} content
1470                $ui_comm delete 0.0 end
1471                $ui_comm insert end $content
1472                return 1
1473        }
1474        return 0
1475}
1476
1477proc run_prepare_commit_msg_hook {} {
1478        global pch_error
1479
1480        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1481        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1482        # empty file but existant file.
1483
1484        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1485
1486        if {[file isfile [gitdir MERGE_MSG]]} {
1487                set pcm_source "merge"
1488                set fd_mm [open [gitdir MERGE_MSG] r]
1489                puts -nonewline $fd_pcm [read $fd_mm]
1490                close $fd_mm
1491        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1492                set pcm_source "squash"
1493                set fd_sm [open [gitdir SQUASH_MSG] r]
1494                puts -nonewline $fd_pcm [read $fd_sm]
1495                close $fd_sm
1496        } else {
1497                set pcm_source ""
1498        }
1499
1500        close $fd_pcm
1501
1502        set fd_ph [githook_read prepare-commit-msg \
1503                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1504        if {$fd_ph eq {}} {
1505                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1506                return 0;
1507        }
1508
1509        ui_status [mc "Calling prepare-commit-msg hook..."]
1510        set pch_error {}
1511
1512        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1513        fileevent $fd_ph readable \
1514                [list prepare_commit_msg_hook_wait $fd_ph]
1515
1516        return 1;
1517}
1518
1519proc prepare_commit_msg_hook_wait {fd_ph} {
1520        global pch_error
1521
1522        append pch_error [read $fd_ph]
1523        fconfigure $fd_ph -blocking 1
1524        if {[eof $fd_ph]} {
1525                if {[catch {close $fd_ph}]} {
1526                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1527                        hook_failed_popup prepare-commit-msg $pch_error
1528                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1529                        exit 1
1530                } else {
1531                        load_message PREPARE_COMMIT_MSG
1532                }
1533                set pch_error {}
1534                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1535                return
1536        }
1537        fconfigure $fd_ph -blocking 0
1538        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1539}
1540
1541proc read_diff_index {fd after} {
1542        global buf_rdi
1543
1544        append buf_rdi [read $fd]
1545        set c 0
1546        set n [string length $buf_rdi]
1547        while {$c < $n} {
1548                set z1 [string first "\0" $buf_rdi $c]
1549                if {$z1 == -1} break
1550                incr z1
1551                set z2 [string first "\0" $buf_rdi $z1]
1552                if {$z2 == -1} break
1553
1554                incr c
1555                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1556                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1557                merge_state \
1558                        [encoding convertfrom $p] \
1559                        [lindex $i 4]? \
1560                        [list [lindex $i 0] [lindex $i 2]] \
1561                        [list]
1562                set c $z2
1563                incr c
1564        }
1565        if {$c < $n} {
1566                set buf_rdi [string range $buf_rdi $c end]
1567        } else {
1568                set buf_rdi {}
1569        }
1570
1571        rescan_done $fd buf_rdi $after
1572}
1573
1574proc read_diff_files {fd after} {
1575        global buf_rdf
1576
1577        append buf_rdf [read $fd]
1578        set c 0
1579        set n [string length $buf_rdf]
1580        while {$c < $n} {
1581                set z1 [string first "\0" $buf_rdf $c]
1582                if {$z1 == -1} break
1583                incr z1
1584                set z2 [string first "\0" $buf_rdf $z1]
1585                if {$z2 == -1} break
1586
1587                incr c
1588                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1589                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1590                merge_state \
1591                        [encoding convertfrom $p] \
1592                        ?[lindex $i 4] \
1593                        [list] \
1594                        [list [lindex $i 0] [lindex $i 2]]
1595                set c $z2
1596                incr c
1597        }
1598        if {$c < $n} {
1599                set buf_rdf [string range $buf_rdf $c end]
1600        } else {
1601                set buf_rdf {}
1602        }
1603
1604        rescan_done $fd buf_rdf $after
1605}
1606
1607proc read_ls_others {fd after} {
1608        global buf_rlo
1609
1610        append buf_rlo [read $fd]
1611        set pck [split $buf_rlo "\0"]
1612        set buf_rlo [lindex $pck end]
1613        foreach p [lrange $pck 0 end-1] {
1614                set p [encoding convertfrom $p]
1615                if {[string index $p end] eq {/}} {
1616                        set p [string range $p 0 end-1]
1617                }
1618                merge_state $p ?O
1619        }
1620        rescan_done $fd buf_rlo $after
1621}
1622
1623proc rescan_done {fd buf after} {
1624        global rescan_active current_diff_path
1625        global file_states repo_config
1626        upvar $buf to_clear
1627
1628        if {![eof $fd]} return
1629        set to_clear {}
1630        close $fd
1631        if {[incr rescan_active -1] > 0} return
1632
1633        prune_selection
1634        unlock_index
1635        display_all_files
1636        if {$current_diff_path ne {}} { reshow_diff $after }
1637        if {$current_diff_path eq {}} { select_first_diff $after }
1638}
1639
1640proc prune_selection {} {
1641        global file_states selected_paths
1642
1643        foreach path [array names selected_paths] {
1644                if {[catch {set still_here $file_states($path)}]} {
1645                        unset selected_paths($path)
1646                }
1647        }
1648}
1649
1650######################################################################
1651##
1652## ui helpers
1653
1654proc mapicon {w state path} {
1655        global all_icons
1656
1657        if {[catch {set r $all_icons($state$w)}]} {
1658                puts "error: no icon for $w state={$state} $path"
1659                return file_plain
1660        }
1661        return $r
1662}
1663
1664proc mapdesc {state path} {
1665        global all_descs
1666
1667        if {[catch {set r $all_descs($state)}]} {
1668                puts "error: no desc for state={$state} $path"
1669                return $state
1670        }
1671        return $r
1672}
1673
1674proc ui_status {msg} {
1675        global main_status
1676        if {[info exists main_status]} {
1677                $main_status show $msg
1678        }
1679}
1680
1681proc ui_ready {{test {}}} {
1682        global main_status
1683        if {[info exists main_status]} {
1684                $main_status show [mc "Ready."] $test
1685        }
1686}
1687
1688proc escape_path {path} {
1689        regsub -all {\\} $path "\\\\" path
1690        regsub -all "\n" $path "\\n" path
1691        return $path
1692}
1693
1694proc short_path {path} {
1695        return [escape_path [lindex [file split $path] end]]
1696}
1697
1698set next_icon_id 0
1699set null_sha1 [string repeat 0 40]
1700
1701proc merge_state {path new_state {head_info {}} {index_info {}}} {
1702        global file_states next_icon_id null_sha1
1703
1704        set s0 [string index $new_state 0]
1705        set s1 [string index $new_state 1]
1706
1707        if {[catch {set info $file_states($path)}]} {
1708                set state __
1709                set icon n[incr next_icon_id]
1710        } else {
1711                set state [lindex $info 0]
1712                set icon [lindex $info 1]
1713                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1714                if {$index_info eq {}} {set index_info [lindex $info 3]}
1715        }
1716
1717        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1718        elseif {$s0 eq {_}} {set s0 _}
1719
1720        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1721        elseif {$s1 eq {_}} {set s1 _}
1722
1723        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1724                set head_info [list 0 $null_sha1]
1725        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1726                && $head_info eq {}} {
1727                set head_info $index_info
1728        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1729                set index_info $head_info
1730                set head_info {}
1731        }
1732
1733        set file_states($path) [list $s0$s1 $icon \
1734                $head_info $index_info \
1735                ]
1736        return $state
1737}
1738
1739proc display_file_helper {w path icon_name old_m new_m} {
1740        global file_lists
1741
1742        if {$new_m eq {_}} {
1743                set lno [lsearch -sorted -exact $file_lists($w) $path]
1744                if {$lno >= 0} {
1745                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1746                        incr lno
1747                        $w conf -state normal
1748                        $w delete $lno.0 [expr {$lno + 1}].0
1749                        $w conf -state disabled
1750                }
1751        } elseif {$old_m eq {_} && $new_m ne {_}} {
1752                lappend file_lists($w) $path
1753                set file_lists($w) [lsort -unique $file_lists($w)]
1754                set lno [lsearch -sorted -exact $file_lists($w) $path]
1755                incr lno
1756                $w conf -state normal
1757                $w image create $lno.0 \
1758                        -align center -padx 5 -pady 1 \
1759                        -name $icon_name \
1760                        -image [mapicon $w $new_m $path]
1761                $w insert $lno.1 "[escape_path $path]\n"
1762                $w conf -state disabled
1763        } elseif {$old_m ne $new_m} {
1764                $w conf -state normal
1765                $w image conf $icon_name -image [mapicon $w $new_m $path]
1766                $w conf -state disabled
1767        }
1768}
1769
1770proc display_file {path state} {
1771        global file_states selected_paths
1772        global ui_index ui_workdir
1773
1774        set old_m [merge_state $path $state]
1775        set s $file_states($path)
1776        set new_m [lindex $s 0]
1777        set icon_name [lindex $s 1]
1778
1779        set o [string index $old_m 0]
1780        set n [string index $new_m 0]
1781        if {$o eq {U}} {
1782                set o _
1783        }
1784        if {$n eq {U}} {
1785                set n _
1786        }
1787        display_file_helper     $ui_index $path $icon_name $o $n
1788
1789        if {[string index $old_m 0] eq {U}} {
1790                set o U
1791        } else {
1792                set o [string index $old_m 1]
1793        }
1794        if {[string index $new_m 0] eq {U}} {
1795                set n U
1796        } else {
1797                set n [string index $new_m 1]
1798        }
1799        display_file_helper     $ui_workdir $path $icon_name $o $n
1800
1801        if {$new_m eq {__}} {
1802                unset file_states($path)
1803                catch {unset selected_paths($path)}
1804        }
1805}
1806
1807proc display_all_files_helper {w path icon_name m} {
1808        global file_lists
1809
1810        lappend file_lists($w) $path
1811        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1812        $w image create end \
1813                -align center -padx 5 -pady 1 \
1814                -name $icon_name \
1815                -image [mapicon $w $m $path]
1816        $w insert end "[escape_path $path]\n"
1817}
1818
1819set files_warning 0
1820proc display_all_files {} {
1821        global ui_index ui_workdir
1822        global file_states file_lists
1823        global last_clicked
1824        global files_warning
1825
1826        $ui_index conf -state normal
1827        $ui_workdir conf -state normal
1828
1829        $ui_index delete 0.0 end
1830        $ui_workdir delete 0.0 end
1831        set last_clicked {}
1832
1833        set file_lists($ui_index) [list]
1834        set file_lists($ui_workdir) [list]
1835
1836        set to_display [lsort [array names file_states]]
1837        set display_limit [get_config gui.maxfilesdisplayed]
1838        if {[llength $to_display] > $display_limit} {
1839                if {!$files_warning} {
1840                        # do not repeatedly warn:
1841                        set files_warning 1
1842                        info_popup [mc "Displaying only %s of %s files." \
1843                                $display_limit [llength $to_display]]
1844                }
1845                set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1846        }
1847        foreach path $to_display {
1848                set s $file_states($path)
1849                set m [lindex $s 0]
1850                set icon_name [lindex $s 1]
1851
1852                set s [string index $m 0]
1853                if {$s ne {U} && $s ne {_}} {
1854                        display_all_files_helper $ui_index $path \
1855                                $icon_name $s
1856                }
1857
1858                if {[string index $m 0] eq {U}} {
1859                        set s U
1860                } else {
1861                        set s [string index $m 1]
1862                }
1863                if {$s ne {_}} {
1864                        display_all_files_helper $ui_workdir $path \
1865                                $icon_name $s
1866                }
1867        }
1868
1869        $ui_index conf -state disabled
1870        $ui_workdir conf -state disabled
1871}
1872
1873######################################################################
1874##
1875## icons
1876
1877set filemask {
1878#define mask_width 14
1879#define mask_height 15
1880static unsigned char mask_bits[] = {
1881   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1882   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1883   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1884}
1885
1886image create bitmap file_plain -background white -foreground black -data {
1887#define plain_width 14
1888#define plain_height 15
1889static unsigned char plain_bits[] = {
1890   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1891   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1892   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1893} -maskdata $filemask
1894
1895image create bitmap file_mod -background white -foreground blue -data {
1896#define mod_width 14
1897#define mod_height 15
1898static unsigned char mod_bits[] = {
1899   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1900   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1901   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1902} -maskdata $filemask
1903
1904image create bitmap file_fulltick -background white -foreground "#007000" -data {
1905#define file_fulltick_width 14
1906#define file_fulltick_height 15
1907static unsigned char file_fulltick_bits[] = {
1908   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1909   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1910   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1911} -maskdata $filemask
1912
1913image create bitmap file_question -background white -foreground black -data {
1914#define file_question_width 14
1915#define file_question_height 15
1916static unsigned char file_question_bits[] = {
1917   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1918   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1919   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1920} -maskdata $filemask
1921
1922image create bitmap file_removed -background white -foreground red -data {
1923#define file_removed_width 14
1924#define file_removed_height 15
1925static unsigned char file_removed_bits[] = {
1926   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1927   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1928   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1929} -maskdata $filemask
1930
1931image create bitmap file_merge -background white -foreground blue -data {
1932#define file_merge_width 14
1933#define file_merge_height 15
1934static unsigned char file_merge_bits[] = {
1935   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1936   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1937   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1938} -maskdata $filemask
1939
1940image create bitmap file_statechange -background white -foreground green -data {
1941#define file_merge_width 14
1942#define file_merge_height 15
1943static unsigned char file_statechange_bits[] = {
1944   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1945   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1946   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1947} -maskdata $filemask
1948
1949set ui_index .vpane.files.index.list
1950set ui_workdir .vpane.files.workdir.list
1951
1952set all_icons(_$ui_index)   file_plain
1953set all_icons(A$ui_index)   file_plain
1954set all_icons(M$ui_index)   file_fulltick
1955set all_icons(D$ui_index)   file_removed
1956set all_icons(U$ui_index)   file_merge
1957set all_icons(T$ui_index)   file_statechange
1958
1959set all_icons(_$ui_workdir) file_plain
1960set all_icons(M$ui_workdir) file_mod
1961set all_icons(D$ui_workdir) file_question
1962set all_icons(U$ui_workdir) file_merge
1963set all_icons(O$ui_workdir) file_plain
1964set all_icons(T$ui_workdir) file_statechange
1965
1966set max_status_desc 0
1967foreach i {
1968                {__ {mc "Unmodified"}}
1969
1970                {_M {mc "Modified, not staged"}}
1971                {M_ {mc "Staged for commit"}}
1972                {MM {mc "Portions staged for commit"}}
1973                {MD {mc "Staged for commit, missing"}}
1974
1975                {_T {mc "File type changed, not staged"}}
1976                {T_ {mc "File type changed, staged"}}
1977
1978                {_O {mc "Untracked, not staged"}}
1979                {A_ {mc "Staged for commit"}}
1980                {AM {mc "Portions staged for commit"}}
1981                {AD {mc "Staged for commit, missing"}}
1982
1983                {_D {mc "Missing"}}
1984                {D_ {mc "Staged for removal"}}
1985                {DO {mc "Staged for removal, still present"}}
1986
1987                {_U {mc "Requires merge resolution"}}
1988                {U_ {mc "Requires merge resolution"}}
1989                {UU {mc "Requires merge resolution"}}
1990                {UM {mc "Requires merge resolution"}}
1991                {UD {mc "Requires merge resolution"}}
1992                {UT {mc "Requires merge resolution"}}
1993        } {
1994        set text [eval [lindex $i 1]]
1995        if {$max_status_desc < [string length $text]} {
1996                set max_status_desc [string length $text]
1997        }
1998        set all_descs([lindex $i 0]) $text
1999}
2000unset i
2001
2002######################################################################
2003##
2004## util
2005
2006proc scrollbar2many {list mode args} {
2007        foreach w $list {eval $w $mode $args}
2008}
2009
2010proc many2scrollbar {list mode sb top bottom} {
2011        $sb set $top $bottom
2012        foreach w $list {$w $mode moveto $top}
2013}
2014
2015proc incr_font_size {font {amt 1}} {
2016        set sz [font configure $font -size]
2017        incr sz $amt
2018        font configure $font -size $sz
2019        font configure ${font}bold -size $sz
2020        font configure ${font}italic -size $sz
2021}
2022
2023######################################################################
2024##
2025## ui commands
2026
2027set starting_gitk_msg [mc "Starting gitk... please wait..."]
2028
2029proc do_gitk {revs {is_submodule false}} {
2030        global current_diff_path file_states current_diff_side ui_index
2031        global _gitdir _gitworktree
2032
2033        # -- Always start gitk through whatever we were loaded with.  This
2034        #    lets us bypass using shell process on Windows systems.
2035        #
2036        set exe [_which gitk -script]
2037        set cmd [list [info nameofexecutable] $exe]
2038        if {$exe eq {}} {
2039                error_popup [mc "Couldn't find gitk in PATH"]
2040        } else {
2041                global env
2042
2043                set pwd [pwd]
2044
2045                if {!$is_submodule} {
2046                        if {![is_bare]} {
2047                                cd $_gitworktree
2048                        }
2049                } else {
2050                        cd $current_diff_path
2051                        if {$revs eq {--}} {
2052                                set s $file_states($current_diff_path)
2053                                set old_sha1 {}
2054                                set new_sha1 {}
2055                                switch -glob -- [lindex $s 0] {
2056                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2057                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2058                                MM {
2059                                        if {$current_diff_side eq $ui_index} {
2060                                                set old_sha1 [lindex [lindex $s 2] 1]
2061                                                set new_sha1 [lindex [lindex $s 3] 1]
2062                                        } else {
2063                                                set old_sha1 [lindex [lindex $s 3] 1]
2064                                        }
2065                                }
2066                                }
2067                                set revs $old_sha1...$new_sha1
2068                        }
2069                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2070                        # we've been using for the main repository, so unset them.
2071                        # TODO we could make life easier (start up faster?) for gitk
2072                        # by setting these to the appropriate values to allow gitk
2073                        # to skip the heuristics to find their proper value
2074                        unset env(GIT_DIR)
2075                        unset env(GIT_WORK_TREE)
2076                }
2077                eval exec $cmd $revs "--" "--" &
2078
2079                set env(GIT_DIR) $_gitdir
2080                set env(GIT_WORK_TREE) $_gitworktree
2081                cd $pwd
2082
2083                ui_status $::starting_gitk_msg
2084                after 10000 {
2085                        ui_ready $starting_gitk_msg
2086                }
2087        }
2088}
2089
2090proc do_git_gui {} {
2091        global current_diff_path
2092
2093        # -- Always start git gui through whatever we were loaded with.  This
2094        #    lets us bypass using shell process on Windows systems.
2095        #
2096        set exe [list [_which git]]
2097        if {$exe eq {}} {
2098                error_popup [mc "Couldn't find git gui in PATH"]
2099        } else {
2100                global env
2101                global _gitdir _gitworktree
2102
2103                # see note in do_gitk about unsetting these vars when
2104                # running tools in a submodule
2105                unset env(GIT_DIR)
2106                unset env(GIT_WORK_TREE)
2107
2108                set pwd [pwd]
2109                cd $current_diff_path
2110
2111                eval exec $exe gui &
2112
2113                set env(GIT_DIR) $_gitdir
2114                set env(GIT_WORK_TREE) $_gitworktree
2115                cd $pwd
2116
2117                ui_status $::starting_gitk_msg
2118                after 10000 {
2119                        ui_ready $starting_gitk_msg
2120                }
2121        }
2122}
2123
2124proc do_explore {} {
2125        global _gitworktree
2126        set explorer {}
2127        if {[is_Cygwin] || [is_Windows]} {
2128                set explorer "explorer.exe"
2129        } elseif {[is_MacOSX]} {
2130                set explorer "open"
2131        } else {
2132                # freedesktop.org-conforming system is our best shot
2133                set explorer "xdg-open"
2134        }
2135        eval exec $explorer [list [file nativename $_gitworktree]] &
2136}
2137
2138set is_quitting 0
2139set ret_code    1
2140
2141proc terminate_me {win} {
2142        global ret_code
2143        if {$win ne {.}} return
2144        exit $ret_code
2145}
2146
2147proc do_quit {{rc {1}}} {
2148        global ui_comm is_quitting repo_config commit_type
2149        global GITGUI_BCK_exists GITGUI_BCK_i
2150        global ui_comm_spell
2151        global ret_code use_ttk
2152
2153        if {$is_quitting} return
2154        set is_quitting 1
2155
2156        if {[winfo exists $ui_comm]} {
2157                # -- Stash our current commit buffer.
2158                #
2159                set save [gitdir GITGUI_MSG]
2160                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2161                        file rename -force [gitdir GITGUI_BCK] $save
2162                        set GITGUI_BCK_exists 0
2163                } else {
2164                        set msg [string trim [$ui_comm get 0.0 end]]
2165                        regsub -all -line {[ \r\t]+$} $msg {} msg
2166                        if {(![string match amend* $commit_type]
2167                                || [$ui_comm edit modified])
2168                                && $msg ne {}} {
2169                                catch {
2170                                        set fd [open $save w]
2171                                        puts -nonewline $fd $msg
2172                                        close $fd
2173                                }
2174                        } else {
2175                                catch {file delete $save}
2176                        }
2177                }
2178
2179                # -- Cancel our spellchecker if its running.
2180                #
2181                if {[info exists ui_comm_spell]} {
2182                        $ui_comm_spell stop
2183                }
2184
2185                # -- Remove our editor backup, its not needed.
2186                #
2187                after cancel $GITGUI_BCK_i
2188                if {$GITGUI_BCK_exists} {
2189                        catch {file delete [gitdir GITGUI_BCK]}
2190                }
2191
2192                # -- Stash our current window geometry into this repository.
2193                #
2194                set cfg_wmstate [wm state .]
2195                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2196                        set rc_wmstate {}
2197                }
2198                if {$cfg_wmstate ne $rc_wmstate} {
2199                        catch {git config gui.wmstate $cfg_wmstate}
2200                }
2201                if {$cfg_wmstate eq {zoomed}} {
2202                        # on Windows wm geometry will lie about window
2203                        # position (but not size) when window is zoomed
2204                        # restore the window before querying wm geometry
2205                        wm state . normal
2206                }
2207                set cfg_geometry [list]
2208                lappend cfg_geometry [wm geometry .]
2209                if {$use_ttk} {
2210                        lappend cfg_geometry [.vpane sashpos 0]
2211                        lappend cfg_geometry [.vpane.files sashpos 0]
2212                } else {
2213                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2214                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2215                }
2216                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2217                        set rc_geometry {}
2218                }
2219                if {$cfg_geometry ne $rc_geometry} {
2220                        catch {git config gui.geometry $cfg_geometry}
2221                }
2222        }
2223
2224        set ret_code $rc
2225
2226        # Briefly enable send again, working around Tk bug
2227        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2228        tk appname [appname]
2229
2230        destroy .
2231}
2232
2233proc do_rescan {} {
2234        rescan ui_ready
2235}
2236
2237proc ui_do_rescan {} {
2238        rescan {force_first_diff ui_ready}
2239}
2240
2241proc do_commit {} {
2242        commit_tree
2243}
2244
2245proc next_diff {{after {}}} {
2246        global next_diff_p next_diff_w next_diff_i
2247        show_diff $next_diff_p $next_diff_w {} {} $after
2248}
2249
2250proc find_anchor_pos {lst name} {
2251        set lid [lsearch -sorted -exact $lst $name]
2252
2253        if {$lid == -1} {
2254                set lid 0
2255                foreach lname $lst {
2256                        if {$lname >= $name} break
2257                        incr lid
2258                }
2259        }
2260
2261        return $lid
2262}
2263
2264proc find_file_from {flist idx delta path mmask} {
2265        global file_states
2266
2267        set len [llength $flist]
2268        while {$idx >= 0 && $idx < $len} {
2269                set name [lindex $flist $idx]
2270
2271                if {$name ne $path && [info exists file_states($name)]} {
2272                        set state [lindex $file_states($name) 0]
2273
2274                        if {$mmask eq {} || [regexp $mmask $state]} {
2275                                return $idx
2276                        }
2277                }
2278
2279                incr idx $delta
2280        }
2281
2282        return {}
2283}
2284
2285proc find_next_diff {w path {lno {}} {mmask {}}} {
2286        global next_diff_p next_diff_w next_diff_i
2287        global file_lists ui_index ui_workdir
2288
2289        set flist $file_lists($w)
2290        if {$lno eq {}} {
2291                set lno [find_anchor_pos $flist $path]
2292        } else {
2293                incr lno -1
2294        }
2295
2296        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2297                if {$w eq $ui_index} {
2298                        set mmask "^$mmask"
2299                } else {
2300                        set mmask "$mmask\$"
2301                }
2302        }
2303
2304        set idx [find_file_from $flist $lno 1 $path $mmask]
2305        if {$idx eq {}} {
2306                incr lno -1
2307                set idx [find_file_from $flist $lno -1 $path $mmask]
2308        }
2309
2310        if {$idx ne {}} {
2311                set next_diff_w $w
2312                set next_diff_p [lindex $flist $idx]
2313                set next_diff_i [expr {$idx+1}]
2314                return 1
2315        } else {
2316                return 0
2317        }
2318}
2319
2320proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2321        global current_diff_path
2322
2323        if {$path ne $current_diff_path} {
2324                return {}
2325        } elseif {[find_next_diff $w $path $lno $mmask]} {
2326                return {next_diff;}
2327        } else {
2328                return {reshow_diff;}
2329        }
2330}
2331
2332proc select_first_diff {after} {
2333        global ui_workdir
2334
2335        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2336            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2337                next_diff $after
2338        } else {
2339                uplevel #0 $after
2340        }
2341}
2342
2343proc force_first_diff {after} {
2344        global ui_workdir current_diff_path file_states
2345
2346        if {[info exists file_states($current_diff_path)]} {
2347                set state [lindex $file_states($current_diff_path) 0]
2348        } else {
2349                set state {OO}
2350        }
2351
2352        set reselect 0
2353        if {[string first {U} $state] >= 0} {
2354                # Already a conflict, do nothing
2355        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2356                set reselect 1
2357        } elseif {[string index $state 1] ne {O}} {
2358                # Already a diff & no conflicts, do nothing
2359        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2360                set reselect 1
2361        }
2362
2363        if {$reselect} {
2364                next_diff $after
2365        } else {
2366                uplevel #0 $after
2367        }
2368}
2369
2370proc toggle_or_diff {w x y} {
2371        global file_states file_lists current_diff_path ui_index ui_workdir
2372        global last_clicked selected_paths
2373
2374        set pos [split [$w index @$x,$y] .]
2375        set lno [lindex $pos 0]
2376        set col [lindex $pos 1]
2377        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2378        if {$path eq {}} {
2379                set last_clicked {}
2380                return
2381        }
2382
2383        set last_clicked [list $w $lno]
2384        array unset selected_paths
2385        $ui_index tag remove in_sel 0.0 end
2386        $ui_workdir tag remove in_sel 0.0 end
2387
2388        # Determine the state of the file
2389        if {[info exists file_states($path)]} {
2390                set state [lindex $file_states($path) 0]
2391        } else {
2392                set state {__}
2393        }
2394
2395        # Restage the file, or simply show the diff
2396        if {$col == 0 && $y > 1} {
2397                # Conflicts need special handling
2398                if {[string first {U} $state] >= 0} {
2399                        # $w must always be $ui_workdir, but...
2400                        if {$w ne $ui_workdir} { set lno {} }
2401                        merge_stage_workdir $path $lno
2402                        return
2403                }
2404
2405                if {[string index $state 1] eq {O}} {
2406                        set mmask {}
2407                } else {
2408                        set mmask {[^O]}
2409                }
2410
2411                set after [next_diff_after_action $w $path $lno $mmask]
2412
2413                if {$w eq $ui_index} {
2414                        update_indexinfo \
2415                                "Unstaging [short_path $path] from commit" \
2416                                [list $path] \
2417                                [concat $after [list ui_ready]]
2418                } elseif {$w eq $ui_workdir} {
2419                        update_index \
2420                                "Adding [short_path $path]" \
2421                                [list $path] \
2422                                [concat $after [list ui_ready]]
2423                }
2424        } else {
2425                show_diff $path $w $lno
2426        }
2427}
2428
2429proc add_one_to_selection {w x y} {
2430        global file_lists last_clicked selected_paths
2431
2432        set lno [lindex [split [$w index @$x,$y] .] 0]
2433        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2434        if {$path eq {}} {
2435                set last_clicked {}
2436                return
2437        }
2438
2439        if {$last_clicked ne {}
2440                && [lindex $last_clicked 0] ne $w} {
2441                array unset selected_paths
2442                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2443        }
2444
2445        set last_clicked [list $w $lno]
2446        if {[catch {set in_sel $selected_paths($path)}]} {
2447                set in_sel 0
2448        }
2449        if {$in_sel} {
2450                unset selected_paths($path)
2451                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2452        } else {
2453                set selected_paths($path) 1
2454                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2455        }
2456}
2457
2458proc add_range_to_selection {w x y} {
2459        global file_lists last_clicked selected_paths
2460
2461        if {[lindex $last_clicked 0] ne $w} {
2462                toggle_or_diff $w $x $y
2463                return
2464        }
2465
2466        set lno [lindex [split [$w index @$x,$y] .] 0]
2467        set lc [lindex $last_clicked 1]
2468        if {$lc < $lno} {
2469                set begin $lc
2470                set end $lno
2471        } else {
2472                set begin $lno
2473                set end $lc
2474        }
2475
2476        foreach path [lrange $file_lists($w) \
2477                [expr {$begin - 1}] \
2478                [expr {$end - 1}]] {
2479                set selected_paths($path) 1
2480        }
2481        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2482}
2483
2484proc show_more_context {} {
2485        global repo_config
2486        if {$repo_config(gui.diffcontext) < 99} {
2487                incr repo_config(gui.diffcontext)
2488                reshow_diff
2489        }
2490}
2491
2492proc show_less_context {} {
2493        global repo_config
2494        if {$repo_config(gui.diffcontext) > 1} {
2495                incr repo_config(gui.diffcontext) -1
2496                reshow_diff
2497        }
2498}
2499
2500######################################################################
2501##
2502## ui construction
2503
2504set ui_comm {}
2505
2506# -- Menu Bar
2507#
2508menu .mbar -tearoff 0
2509if {[is_MacOSX]} {
2510        # -- Apple Menu (Mac OS X only)
2511        #
2512        .mbar add cascade -label Apple -menu .mbar.apple
2513        menu .mbar.apple
2514}
2515.mbar add cascade -label [mc Repository] -menu .mbar.repository
2516.mbar add cascade -label [mc Edit] -menu .mbar.edit
2517if {[is_enabled branch]} {
2518        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2519}
2520if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2521        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2522}
2523if {[is_enabled transport]} {
2524        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2525        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2526}
2527if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2528        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2529}
2530
2531# -- Repository Menu
2532#
2533menu .mbar.repository
2534
2535if {![is_bare]} {
2536        .mbar.repository add command \
2537                -label [mc "Explore Working Copy"] \
2538                -command {do_explore}
2539        .mbar.repository add separator
2540}
2541
2542.mbar.repository add command \
2543        -label [mc "Browse Current Branch's Files"] \
2544        -command {browser::new $current_branch}
2545set ui_browse_current [.mbar.repository index last]
2546.mbar.repository add command \
2547        -label [mc "Browse Branch Files..."] \
2548        -command browser_open::dialog
2549.mbar.repository add separator
2550
2551.mbar.repository add command \
2552        -label [mc "Visualize Current Branch's History"] \
2553        -command {do_gitk $current_branch}
2554set ui_visualize_current [.mbar.repository index last]
2555.mbar.repository add command \
2556        -label [mc "Visualize All Branch History"] \
2557        -command {do_gitk --all}
2558.mbar.repository add separator
2559
2560proc current_branch_write {args} {
2561        global current_branch
2562        .mbar.repository entryconf $::ui_browse_current \
2563                -label [mc "Browse %s's Files" $current_branch]
2564        .mbar.repository entryconf $::ui_visualize_current \
2565                -label [mc "Visualize %s's History" $current_branch]
2566}
2567trace add variable current_branch write current_branch_write
2568
2569if {[is_enabled multicommit]} {
2570        .mbar.repository add command -label [mc "Database Statistics"] \
2571                -command do_stats
2572
2573        .mbar.repository add command -label [mc "Compress Database"] \
2574                -command do_gc
2575
2576        .mbar.repository add command -label [mc "Verify Database"] \
2577                -command do_fsck_objects
2578
2579        .mbar.repository add separator
2580
2581        if {[is_Cygwin]} {
2582                .mbar.repository add command \
2583                        -label [mc "Create Desktop Icon"] \
2584                        -command do_cygwin_shortcut
2585        } elseif {[is_Windows]} {
2586                .mbar.repository add command \
2587                        -label [mc "Create Desktop Icon"] \
2588                        -command do_windows_shortcut
2589        } elseif {[is_MacOSX]} {
2590                .mbar.repository add command \
2591                        -label [mc "Create Desktop Icon"] \
2592                        -command do_macosx_app
2593        }
2594}
2595
2596if {[is_MacOSX]} {
2597        proc ::tk::mac::Quit {args} { do_quit }
2598} else {
2599        .mbar.repository add command -label [mc Quit] \
2600                -command do_quit \
2601                -accelerator $M1T-Q
2602}
2603
2604# -- Edit Menu
2605#
2606menu .mbar.edit
2607.mbar.edit add command -label [mc Undo] \
2608        -command {catch {[focus] edit undo}} \
2609        -accelerator $M1T-Z
2610.mbar.edit add command -label [mc Redo] \
2611        -command {catch {[focus] edit redo}} \
2612        -accelerator $M1T-Y
2613.mbar.edit add separator
2614.mbar.edit add command -label [mc Cut] \
2615        -command {catch {tk_textCut [focus]}} \
2616        -accelerator $M1T-X
2617.mbar.edit add command -label [mc Copy] \
2618        -command {catch {tk_textCopy [focus]}} \
2619        -accelerator $M1T-C
2620.mbar.edit add command -label [mc Paste] \
2621        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2622        -accelerator $M1T-V
2623.mbar.edit add command -label [mc Delete] \
2624        -command {catch {[focus] delete sel.first sel.last}} \
2625        -accelerator Del
2626.mbar.edit add separator
2627.mbar.edit add command -label [mc "Select All"] \
2628        -command {catch {[focus] tag add sel 0.0 end}} \
2629        -accelerator $M1T-A
2630
2631# -- Branch Menu
2632#
2633if {[is_enabled branch]} {
2634        menu .mbar.branch
2635
2636        .mbar.branch add command -label [mc "Create..."] \
2637                -command branch_create::dialog \
2638                -accelerator $M1T-N
2639        lappend disable_on_lock [list .mbar.branch entryconf \
2640                [.mbar.branch index last] -state]
2641
2642        .mbar.branch add command -label [mc "Checkout..."] \
2643                -command branch_checkout::dialog \
2644                -accelerator $M1T-O
2645        lappend disable_on_lock [list .mbar.branch entryconf \
2646                [.mbar.branch index last] -state]
2647
2648        .mbar.branch add command -label [mc "Rename..."] \
2649                -command branch_rename::dialog
2650        lappend disable_on_lock [list .mbar.branch entryconf \
2651                [.mbar.branch index last] -state]
2652
2653        .mbar.branch add command -label [mc "Delete..."] \
2654                -command branch_delete::dialog
2655        lappend disable_on_lock [list .mbar.branch entryconf \
2656                [.mbar.branch index last] -state]
2657
2658        .mbar.branch add command -label [mc "Reset..."] \
2659                -command merge::reset_hard
2660        lappend disable_on_lock [list .mbar.branch entryconf \
2661                [.mbar.branch index last] -state]
2662}
2663
2664# -- Commit Menu
2665#
2666proc commit_btn_caption {} {
2667        if {[is_enabled nocommit]} {
2668                return [mc "Done"]
2669        } else {
2670                return [mc Commit@@verb]
2671        }
2672}
2673
2674if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2675        menu .mbar.commit
2676
2677        if {![is_enabled nocommit]} {
2678                .mbar.commit add radiobutton \
2679                        -label [mc "New Commit"] \
2680                        -command do_select_commit_type \
2681                        -variable selected_commit_type \
2682                        -value new
2683                lappend disable_on_lock \
2684                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2685
2686                .mbar.commit add radiobutton \
2687                        -label [mc "Amend Last Commit"] \
2688                        -command do_select_commit_type \
2689                        -variable selected_commit_type \
2690                        -value amend
2691                lappend disable_on_lock \
2692                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2693
2694                .mbar.commit add separator
2695        }
2696
2697        .mbar.commit add command -label [mc Rescan] \
2698                -command ui_do_rescan \
2699                -accelerator F5
2700        lappend disable_on_lock \
2701                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2702
2703        .mbar.commit add command -label [mc "Stage To Commit"] \
2704                -command do_add_selection \
2705                -accelerator $M1T-T
2706        lappend disable_on_lock \
2707                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2708
2709        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2710                -command do_add_all \
2711                -accelerator $M1T-I
2712        lappend disable_on_lock \
2713                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2714
2715        .mbar.commit add command -label [mc "Unstage From Commit"] \
2716                -command do_unstage_selection \
2717                -accelerator $M1T-U
2718        lappend disable_on_lock \
2719                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2720
2721        .mbar.commit add command -label [mc "Revert Changes"] \
2722                -command do_revert_selection \
2723                -accelerator $M1T-J
2724        lappend disable_on_lock \
2725                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2726
2727        .mbar.commit add separator
2728
2729        .mbar.commit add command -label [mc "Show Less Context"] \
2730                -command show_less_context \
2731                -accelerator $M1T-\-
2732
2733        .mbar.commit add command -label [mc "Show More Context"] \
2734                -command show_more_context \
2735                -accelerator $M1T-=
2736
2737        .mbar.commit add separator
2738
2739        if {![is_enabled nocommitmsg]} {
2740                .mbar.commit add command -label [mc "Sign Off"] \
2741                        -command do_signoff \
2742                        -accelerator $M1T-S
2743        }
2744
2745        .mbar.commit add command -label [commit_btn_caption] \
2746                -command do_commit \
2747                -accelerator $M1T-Return
2748        lappend disable_on_lock \
2749                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2750}
2751
2752# -- Merge Menu
2753#
2754if {[is_enabled branch]} {
2755        menu .mbar.merge
2756        .mbar.merge add command -label [mc "Local Merge..."] \
2757                -command merge::dialog \
2758                -accelerator $M1T-M
2759        lappend disable_on_lock \
2760                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2761        .mbar.merge add command -label [mc "Abort Merge..."] \
2762                -command merge::reset_hard
2763        lappend disable_on_lock \
2764                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2765}
2766
2767# -- Transport Menu
2768#
2769if {[is_enabled transport]} {
2770        menu .mbar.remote
2771
2772        .mbar.remote add command \
2773                -label [mc "Add..."] \
2774                -command remote_add::dialog \
2775                -accelerator $M1T-A
2776        .mbar.remote add command \
2777                -label [mc "Push..."] \
2778                -command do_push_anywhere \
2779                -accelerator $M1T-P
2780        .mbar.remote add command \
2781                -label [mc "Delete Branch..."] \
2782                -command remote_branch_delete::dialog
2783}
2784
2785if {[is_MacOSX]} {
2786        proc ::tk::mac::ShowPreferences {} {do_options}
2787} else {
2788        # -- Edit Menu
2789        #
2790        .mbar.edit add separator
2791        .mbar.edit add command -label [mc "Options..."] \
2792                -command do_options
2793}
2794
2795# -- Tools Menu
2796#
2797if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2798        set tools_menubar .mbar.tools
2799        menu $tools_menubar
2800        $tools_menubar add separator
2801        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2802        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2803        set tools_tailcnt 3
2804        if {[array names repo_config guitool.*.cmd] ne {}} {
2805                tools_populate_all
2806        }
2807}
2808
2809# -- Help Menu
2810#
2811.mbar add cascade -label [mc Help] -menu .mbar.help
2812menu .mbar.help
2813
2814if {[is_MacOSX]} {
2815        .mbar.apple add command -label [mc "About %s" [appname]] \
2816                -command do_about
2817        .mbar.apple add separator
2818} else {
2819        .mbar.help add command -label [mc "About %s" [appname]] \
2820                -command do_about
2821}
2822. configure -menu .mbar
2823
2824set doc_path [githtmldir]
2825if {$doc_path ne {}} {
2826        set doc_path [file join $doc_path index.html]
2827
2828        if {[is_Cygwin]} {
2829                set doc_path [exec cygpath --mixed $doc_path]
2830        }
2831}
2832
2833if {[file isfile $doc_path]} {
2834        set doc_url "file:$doc_path"
2835} else {
2836        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2837}
2838
2839proc start_browser {url} {
2840        git "web--browse" $url
2841}
2842
2843.mbar.help add command -label [mc "Online Documentation"] \
2844        -command [list start_browser $doc_url]
2845
2846.mbar.help add command -label [mc "Show SSH Key"] \
2847        -command do_ssh_key
2848
2849unset doc_path doc_url
2850
2851# -- Standard bindings
2852#
2853wm protocol . WM_DELETE_WINDOW do_quit
2854bind all <$M1B-Key-q> do_quit
2855bind all <$M1B-Key-Q> do_quit
2856bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2857bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2858
2859set subcommand_args {}
2860proc usage {} {
2861        set s "usage: $::argv0 $::subcommand $::subcommand_args"
2862        if {[tk windowingsystem] eq "win32"} {
2863                wm withdraw .
2864                tk_messageBox -icon info -title "Usage" -message $s
2865        } else {
2866                puts stderr $s
2867        }
2868        exit 1
2869}
2870
2871proc normalize_relpath {path} {
2872        set elements {}
2873        foreach item [file split $path] {
2874                if {$item eq {.}} continue
2875                if {$item eq {..} && [llength $elements] > 0
2876                    && [lindex $elements end] ne {..}} {
2877                        set elements [lrange $elements 0 end-1]
2878                        continue
2879                }
2880                lappend elements $item
2881        }
2882        return [eval file join $elements]
2883}
2884
2885# -- Not a normal commit type invocation?  Do that instead!
2886#
2887switch -- $subcommand {
2888browser -
2889blame {
2890        if {$subcommand eq "blame"} {
2891                set subcommand_args {[--line=<num>] rev? path}
2892        } else {
2893                set subcommand_args {rev? path}
2894        }
2895        if {$argv eq {}} usage
2896        set head {}
2897        set path {}
2898        set jump_spec {}
2899        set is_path 0
2900        foreach a $argv {
2901                if {$is_path || [file exists $_prefix$a]} {
2902                        if {$path ne {}} usage
2903                        set path [normalize_relpath $_prefix$a]
2904                        break
2905                } elseif {$a eq {--}} {
2906                        if {$path ne {}} {
2907                                if {$head ne {}} usage
2908                                set head $path
2909                                set path {}
2910                        }
2911                        set is_path 1
2912                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2913                        if {$jump_spec ne {} || $head ne {}} usage
2914                        set jump_spec [list $lnum]
2915                } elseif {$head eq {}} {
2916                        if {$head ne {}} usage
2917                        set head $a
2918                        set is_path 1
2919                } else {
2920                        usage
2921                }
2922        }
2923        unset is_path
2924
2925        if {$head ne {} && $path eq {}} {
2926                set path [normalize_relpath $_prefix$head]
2927                set head {}
2928        }
2929
2930        if {$head eq {}} {
2931                load_current_branch
2932        } else {
2933                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2934                        if {[catch {
2935                                        set head [git rev-parse --verify $head]
2936                                } err]} {
2937                                puts stderr $err
2938                                exit 1
2939                        }
2940                }
2941                set current_branch $head
2942        }
2943
2944        wm deiconify .
2945        switch -- $subcommand {
2946        browser {
2947                if {$jump_spec ne {}} usage
2948                if {$head eq {}} {
2949                        if {$path ne {} && [file isdirectory $path]} {
2950                                set head $current_branch
2951                        } else {
2952                                set head $path
2953                                set path {}
2954                        }
2955                }
2956                browser::new $head $path
2957        }
2958        blame   {
2959                if {$head eq {} && ![file exists $path]} {
2960                        catch {wm withdraw .}
2961                        tk_messageBox \
2962                                -icon error \
2963                                -type ok \
2964                                -title [mc "git-gui: fatal error"] \
2965                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
2966                        exit 1
2967                }
2968                blame::new $head $path $jump_spec
2969        }
2970        }
2971        return
2972}
2973citool -
2974gui {
2975        if {[llength $argv] != 0} {
2976                puts -nonewline stderr "usage: $argv0"
2977                if {$subcommand ne {gui}
2978                        && [file tail $argv0] ne "git-$subcommand"} {
2979                        puts -nonewline stderr " $subcommand"
2980                }
2981                puts stderr {}
2982                exit 1
2983        }
2984        # fall through to setup UI for commits
2985}
2986default {
2987        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2988        exit 1
2989}
2990}
2991
2992# -- Branch Control
2993#
2994${NS}::frame .branch
2995if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
2996${NS}::label .branch.l1 \
2997        -text [mc "Current Branch:"] \
2998        -anchor w \
2999        -justify left
3000${NS}::label .branch.cb \
3001        -textvariable current_branch \
3002        -anchor w \
3003        -justify left
3004pack .branch.l1 -side left
3005pack .branch.cb -side left -fill x
3006pack .branch -side top -fill x
3007
3008# -- Main Window Layout
3009#
3010${NS}::panedwindow .vpane -orient horizontal
3011${NS}::panedwindow .vpane.files -orient vertical
3012if {$use_ttk} {
3013        .vpane add .vpane.files
3014} else {
3015        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3016}
3017pack .vpane -anchor n -side top -fill both -expand 1
3018
3019# -- Index File List
3020#
3021${NS}::frame .vpane.files.index -height 100 -width 200
3022tlabel .vpane.files.index.title \
3023        -text [mc "Staged Changes (Will Commit)"] \
3024        -background lightgreen -foreground black
3025text $ui_index -background white -foreground black \
3026        -borderwidth 0 \
3027        -width 20 -height 10 \
3028        -wrap none \
3029        -cursor $cursor_ptr \
3030        -xscrollcommand {.vpane.files.index.sx set} \
3031        -yscrollcommand {.vpane.files.index.sy set} \
3032        -state disabled
3033${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3034${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3035pack .vpane.files.index.title -side top -fill x
3036pack .vpane.files.index.sx -side bottom -fill x
3037pack .vpane.files.index.sy -side right -fill y
3038pack $ui_index -side left -fill both -expand 1
3039
3040# -- Working Directory File List
3041#
3042${NS}::frame .vpane.files.workdir -height 100 -width 200
3043tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3044        -background lightsalmon -foreground black
3045text $ui_workdir -background white -foreground black \
3046        -borderwidth 0 \
3047        -width 20 -height 10 \
3048        -wrap none \
3049        -cursor $cursor_ptr \
3050        -xscrollcommand {.vpane.files.workdir.sx set} \
3051        -yscrollcommand {.vpane.files.workdir.sy set} \
3052        -state disabled
3053${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3054${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3055pack .vpane.files.workdir.title -side top -fill x
3056pack .vpane.files.workdir.sx -side bottom -fill x
3057pack .vpane.files.workdir.sy -side right -fill y
3058pack $ui_workdir -side left -fill both -expand 1
3059
3060.vpane.files add .vpane.files.workdir
3061.vpane.files add .vpane.files.index
3062if {!$use_ttk} {
3063        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3064        .vpane.files paneconfigure .vpane.files.index -sticky news
3065}
3066
3067foreach i [list $ui_index $ui_workdir] {
3068        rmsel_tag $i
3069        $i tag conf in_diff -background [$i tag cget in_sel -background]
3070}
3071unset i
3072
3073# -- Diff and Commit Area
3074#
3075${NS}::frame .vpane.lower -height 300 -width 400
3076${NS}::frame .vpane.lower.commarea
3077${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1
3078pack .vpane.lower.diff -fill both -expand 1
3079pack .vpane.lower.commarea -side bottom -fill x
3080.vpane add .vpane.lower
3081if {!$use_ttk} {.vpane paneconfigure .vpane.lower -sticky nsew}
3082
3083# -- Commit Area Buttons
3084#
3085${NS}::frame .vpane.lower.commarea.buttons
3086${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3087        -anchor w \
3088        -justify left
3089pack .vpane.lower.commarea.buttons.l -side top -fill x
3090pack .vpane.lower.commarea.buttons -side left -fill y
3091
3092${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3093        -command ui_do_rescan
3094pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3095lappend disable_on_lock \
3096        {.vpane.lower.commarea.buttons.rescan conf -state}
3097
3098${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3099        -command do_add_all
3100pack .vpane.lower.commarea.buttons.incall -side top -fill x
3101lappend disable_on_lock \
3102        {.vpane.lower.commarea.buttons.incall conf -state}
3103
3104if {![is_enabled nocommitmsg]} {
3105        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3106                -command do_signoff
3107        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3108}
3109
3110${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3111        -command do_commit
3112pack .vpane.lower.commarea.buttons.commit -side top -fill x
3113lappend disable_on_lock \
3114        {.vpane.lower.commarea.buttons.commit conf -state}
3115
3116if {![is_enabled nocommit]} {
3117        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3118                -command do_push_anywhere
3119        pack .vpane.lower.commarea.buttons.push -side top -fill x
3120}
3121
3122# -- Commit Message Buffer
3123#
3124${NS}::frame .vpane.lower.commarea.buffer
3125${NS}::frame .vpane.lower.commarea.buffer.header
3126set ui_comm .vpane.lower.commarea.buffer.t
3127set ui_coml .vpane.lower.commarea.buffer.header.l
3128
3129if {![is_enabled nocommit]} {
3130        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3131                -text [mc "New Commit"] \
3132                -command do_select_commit_type \
3133                -variable selected_commit_type \
3134                -value new
3135        lappend disable_on_lock \
3136                [list .vpane.lower.commarea.buffer.header.new conf -state]
3137        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3138                -text [mc "Amend Last Commit"] \
3139                -command do_select_commit_type \
3140                -variable selected_commit_type \
3141                -value amend
3142        lappend disable_on_lock \
3143                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3144}
3145
3146${NS}::label $ui_coml \
3147        -anchor w \
3148        -justify left
3149proc trace_commit_type {varname args} {
3150        global ui_coml commit_type
3151        switch -glob -- $commit_type {
3152        initial       {set txt [mc "Initial Commit Message:"]}
3153        amend         {set txt [mc "Amended Commit Message:"]}
3154        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3155        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3156        merge         {set txt [mc "Merge Commit Message:"]}
3157        *             {set txt [mc "Commit Message:"]}
3158        }
3159        $ui_coml conf -text $txt
3160}
3161trace add variable commit_type write trace_commit_type
3162pack $ui_coml -side left -fill x
3163
3164if {![is_enabled nocommit]} {
3165        pack .vpane.lower.commarea.buffer.header.amend -side right
3166        pack .vpane.lower.commarea.buffer.header.new -side right
3167}
3168
3169text $ui_comm -background white -foreground black \
3170        -borderwidth 1 \
3171        -undo true \
3172        -maxundo 20 \
3173        -autoseparators true \
3174        -relief sunken \
3175        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3176        -font font_diff \
3177        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3178${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3179        -command [list $ui_comm yview]
3180pack .vpane.lower.commarea.buffer.header -side top -fill x
3181pack .vpane.lower.commarea.buffer.sby -side right -fill y
3182pack $ui_comm -side left -fill y
3183pack .vpane.lower.commarea.buffer -side left -fill y
3184
3185# -- Commit Message Buffer Context Menu
3186#
3187set ctxm .vpane.lower.commarea.buffer.ctxm
3188menu $ctxm -tearoff 0
3189$ctxm add command \
3190        -label [mc Cut] \
3191        -command {tk_textCut $ui_comm}
3192$ctxm add command \
3193        -label [mc Copy] \
3194        -command {tk_textCopy $ui_comm}
3195$ctxm add command \
3196        -label [mc Paste] \
3197        -command {tk_textPaste $ui_comm}
3198$ctxm add command \
3199        -label [mc Delete] \
3200        -command {catch {$ui_comm delete sel.first sel.last}}
3201$ctxm add separator
3202$ctxm add command \
3203        -label [mc "Select All"] \
3204        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3205$ctxm add command \
3206        -label [mc "Copy All"] \
3207        -command {
3208                $ui_comm tag add sel 0.0 end
3209                tk_textCopy $ui_comm
3210                $ui_comm tag remove sel 0.0 end
3211        }
3212$ctxm add separator
3213$ctxm add command \
3214        -label [mc "Sign Off"] \
3215        -command do_signoff
3216set ui_comm_ctxm $ctxm
3217
3218# -- Diff Header
3219#
3220proc trace_current_diff_path {varname args} {
3221        global current_diff_path diff_actions file_states
3222        if {$current_diff_path eq {}} {
3223                set s {}
3224                set f {}
3225                set p {}
3226                set o disabled
3227        } else {
3228                set p $current_diff_path
3229                set s [mapdesc [lindex $file_states($p) 0] $p]
3230                set f [mc "File:"]
3231                set p [escape_path $p]
3232                set o normal
3233        }
3234
3235        .vpane.lower.diff.header.status configure -text $s
3236        .vpane.lower.diff.header.file configure -text $f
3237        .vpane.lower.diff.header.path configure -text $p
3238        foreach w $diff_actions {
3239                uplevel #0 $w $o
3240        }
3241}
3242trace add variable current_diff_path write trace_current_diff_path
3243
3244gold_frame .vpane.lower.diff.header
3245tlabel .vpane.lower.diff.header.status \
3246        -background gold \
3247        -foreground black \
3248        -width $max_status_desc \
3249        -anchor w \
3250        -justify left
3251tlabel .vpane.lower.diff.header.file \
3252        -background gold \
3253        -foreground black \
3254        -anchor w \
3255        -justify left
3256tlabel .vpane.lower.diff.header.path \
3257        -background gold \
3258        -foreground black \
3259        -anchor w \
3260        -justify left
3261pack .vpane.lower.diff.header.status -side left
3262pack .vpane.lower.diff.header.file -side left
3263pack .vpane.lower.diff.header.path -fill x
3264set ctxm .vpane.lower.diff.header.ctxm
3265menu $ctxm -tearoff 0
3266$ctxm add command \
3267        -label [mc Copy] \
3268        -command {
3269                clipboard clear
3270                clipboard append \
3271                        -format STRING \
3272                        -type STRING \
3273                        -- $current_diff_path
3274        }
3275lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3276bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3277
3278# -- Diff Body
3279#
3280${NS}::frame .vpane.lower.diff.body
3281set ui_diff .vpane.lower.diff.body.t
3282text $ui_diff -background white -foreground black \
3283        -borderwidth 0 \
3284        -width 80 -height 5 -wrap none \
3285        -font font_diff \
3286        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3287        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3288        -state disabled
3289${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3290        -command [list $ui_diff xview]
3291${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3292        -command [list $ui_diff yview]
3293pack .vpane.lower.diff.body.sbx -side bottom -fill x
3294pack .vpane.lower.diff.body.sby -side right -fill y
3295pack $ui_diff -side left -fill both -expand 1
3296pack .vpane.lower.diff.header -side top -fill x
3297pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3298
3299$ui_diff tag conf d_cr -elide true
3300$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3301$ui_diff tag conf d_+ -foreground {#00a000}
3302$ui_diff tag conf d_- -foreground red
3303
3304$ui_diff tag conf d_++ -foreground {#00a000}
3305$ui_diff tag conf d_-- -foreground red
3306$ui_diff tag conf d_+s \
3307        -foreground {#00a000} \
3308        -background {#e2effa}
3309$ui_diff tag conf d_-s \
3310        -foreground red \
3311        -background {#e2effa}
3312$ui_diff tag conf d_s+ \
3313        -foreground {#00a000} \
3314        -background ivory1
3315$ui_diff tag conf d_s- \
3316        -foreground red \
3317        -background ivory1
3318
3319$ui_diff tag conf d<<<<<<< \
3320        -foreground orange \
3321        -font font_diffbold
3322$ui_diff tag conf d======= \
3323        -foreground orange \
3324        -font font_diffbold
3325$ui_diff tag conf d>>>>>>> \
3326        -foreground orange \
3327        -font font_diffbold
3328
3329$ui_diff tag raise sel
3330
3331# -- Diff Body Context Menu
3332#
3333
3334proc create_common_diff_popup {ctxm} {
3335        $ctxm add command \
3336                -label [mc Refresh] \
3337                -command reshow_diff
3338        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3339        $ctxm add command \
3340                -label [mc Copy] \
3341                -command {tk_textCopy $ui_diff}
3342        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3343        $ctxm add command \
3344                -label [mc "Select All"] \
3345                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3346        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3347        $ctxm add command \
3348                -label [mc "Copy All"] \
3349                -command {
3350                        $ui_diff tag add sel 0.0 end
3351                        tk_textCopy $ui_diff
3352                        $ui_diff tag remove sel 0.0 end
3353                }
3354        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3355        $ctxm add separator
3356        $ctxm add command \
3357                -label [mc "Decrease Font Size"] \
3358                -command {incr_font_size font_diff -1}
3359        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3360        $ctxm add command \
3361                -label [mc "Increase Font Size"] \
3362                -command {incr_font_size font_diff 1}
3363        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3364        $ctxm add separator
3365        set emenu $ctxm.enc
3366        menu $emenu
3367        build_encoding_menu $emenu [list force_diff_encoding]
3368        $ctxm add cascade \
3369                -label [mc "Encoding"] \
3370                -menu $emenu
3371        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3372        $ctxm add separator
3373        $ctxm add command -label [mc "Options..."] \
3374                -command do_options
3375}
3376
3377set ctxm .vpane.lower.diff.body.ctxm
3378menu $ctxm -tearoff 0
3379$ctxm add command \
3380        -label [mc "Apply/Reverse Hunk"] \
3381        -command {apply_hunk $cursorX $cursorY}
3382set ui_diff_applyhunk [$ctxm index last]
3383lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3384$ctxm add command \
3385        -label [mc "Apply/Reverse Line"] \
3386        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3387set ui_diff_applyline [$ctxm index last]
3388lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3389$ctxm add separator
3390$ctxm add command \
3391        -label [mc "Show Less Context"] \
3392        -command show_less_context
3393lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3394$ctxm add command \
3395        -label [mc "Show More Context"] \
3396        -command show_more_context
3397lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3398$ctxm add separator
3399create_common_diff_popup $ctxm
3400
3401set ctxmmg .vpane.lower.diff.body.ctxmmg
3402menu $ctxmmg -tearoff 0
3403$ctxmmg add command \
3404        -label [mc "Run Merge Tool"] \
3405        -command {merge_resolve_tool}
3406lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3407$ctxmmg add separator
3408$ctxmmg add command \
3409        -label [mc "Use Remote Version"] \
3410        -command {merge_resolve_one 3}
3411lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3412$ctxmmg add command \
3413        -label [mc "Use Local Version"] \
3414        -command {merge_resolve_one 2}
3415lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3416$ctxmmg add command \
3417        -label [mc "Revert To Base"] \
3418        -command {merge_resolve_one 1}
3419lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3420$ctxmmg add separator
3421$ctxmmg add command \
3422        -label [mc "Show Less Context"] \
3423        -command show_less_context
3424lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3425$ctxmmg add command \
3426        -label [mc "Show More Context"] \
3427        -command show_more_context
3428lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3429$ctxmmg add separator
3430create_common_diff_popup $ctxmmg
3431
3432set ctxmsm .vpane.lower.diff.body.ctxmsm
3433menu $ctxmsm -tearoff 0
3434$ctxmsm add command \
3435        -label [mc "Visualize These Changes In The Submodule"] \
3436        -command {do_gitk -- true}
3437lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3438$ctxmsm add command \
3439        -label [mc "Visualize Current Branch History In The Submodule"] \
3440        -command {do_gitk {} true}
3441lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3442$ctxmsm add command \
3443        -label [mc "Visualize All Branch History In The Submodule"] \
3444        -command {do_gitk --all true}
3445lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3446$ctxmsm add separator
3447$ctxmsm add command \
3448        -label [mc "Start git gui In The Submodule"] \
3449        -command {do_git_gui}
3450lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3451$ctxmsm add separator
3452create_common_diff_popup $ctxmsm
3453
3454proc has_textconv {path} {
3455        if {[is_config_false gui.textconv]} {
3456                return 0
3457        }
3458        set filter [gitattr $path diff set]
3459        set textconv [get_config [join [list diff $filter textconv] .]]
3460        if {$filter ne {set} && $textconv ne {}} {
3461                return 1
3462        } else {
3463                return 0
3464        }
3465}
3466
3467proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3468        global current_diff_path file_states
3469        set ::cursorX $x
3470        set ::cursorY $y
3471        if {[info exists file_states($current_diff_path)]} {
3472                set state [lindex $file_states($current_diff_path) 0]
3473        } else {
3474                set state {__}
3475        }
3476        if {[string first {U} $state] >= 0} {
3477                tk_popup $ctxmmg $X $Y
3478        } elseif {$::is_submodule_diff} {
3479                tk_popup $ctxmsm $X $Y
3480        } else {
3481                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3482                if {$::ui_index eq $::current_diff_side} {
3483                        set l [mc "Unstage Hunk From Commit"]
3484                        if {$has_range} {
3485                                set t [mc "Unstage Lines From Commit"]
3486                        } else {
3487                                set t [mc "Unstage Line From Commit"]
3488                        }
3489                } else {
3490                        set l [mc "Stage Hunk For Commit"]
3491                        if {$has_range} {
3492                                set t [mc "Stage Lines For Commit"]
3493                        } else {
3494                                set t [mc "Stage Line For Commit"]
3495                        }
3496                }
3497                if {$::is_3way_diff
3498                        || $current_diff_path eq {}
3499                        || {__} eq $state
3500                        || {_O} eq $state
3501                        || {_T} eq $state
3502                        || {T_} eq $state
3503                        || [has_textconv $current_diff_path]} {
3504                        set s disabled
3505                } else {
3506                        set s normal
3507                }
3508                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3509                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3510                tk_popup $ctxm $X $Y
3511        }
3512}
3513bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3514
3515# -- Status Bar
3516#
3517set main_status [::status_bar::new .status]
3518pack .status -anchor w -side bottom -fill x
3519$main_status show [mc "Initializing..."]
3520
3521# -- Load geometry
3522#
3523proc on_ttk_pane_mapped {w pane pos} {
3524        bind $w <Map> {}
3525        after 0 [list after idle [list $w sashpos $pane $pos]]
3526}
3527proc on_tk_pane_mapped {w pane x y} {
3528        bind $w <Map> {}
3529        after 0 [list after idle [list $w sash place $pane $x $y]]
3530}
3531proc on_application_mapped {} {
3532        global repo_config use_ttk
3533        bind . <Map> {}
3534        set gm $repo_config(gui.geometry)
3535        if {$use_ttk} {
3536                bind .vpane <Map> \
3537                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3538                bind .vpane.files <Map> \
3539                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3540        } else {
3541                bind .vpane <Map> \
3542                    [list on_tk_pane_mapped %W 0 \
3543                         [lindex $gm 1] \
3544                         [lindex [.vpane sash coord 0] 1]]
3545                bind .vpane.files <Map> \
3546                    [list on_tk_pane_mapped %W 0 \
3547                         [lindex [.vpane.files sash coord 0] 0] \
3548                         [lindex $gm 2]]
3549        }
3550        wm geometry . [lindex $gm 0]
3551}
3552if {[info exists repo_config(gui.geometry)]} {
3553        bind . <Map> [list on_application_mapped]
3554        wm geometry . [lindex $repo_config(gui.geometry) 0]
3555}
3556
3557# -- Load window state
3558#
3559if {[info exists repo_config(gui.wmstate)]} {
3560        catch {wm state . $repo_config(gui.wmstate)}
3561}
3562
3563# -- Key Bindings
3564#
3565bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3566bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3567bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3568bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3569bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3570bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3571bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3572bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3573bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3574bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3575bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3576bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3577bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3578bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3579bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3580bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3581bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3582bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3583bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3584bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3585bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3586bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3587
3588bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3589bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3590bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3591bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3592bind $ui_diff <$M1B-Key-v> {break}
3593bind $ui_diff <$M1B-Key-V> {break}
3594bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3595bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3596bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3597bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3598bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3599bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3600bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3601bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3602bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3603bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3604bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3605bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3606bind $ui_diff <Button-1>   {focus %W}
3607
3608if {[is_enabled branch]} {
3609        bind . <$M1B-Key-n> branch_create::dialog
3610        bind . <$M1B-Key-N> branch_create::dialog
3611        bind . <$M1B-Key-o> branch_checkout::dialog
3612        bind . <$M1B-Key-O> branch_checkout::dialog
3613        bind . <$M1B-Key-m> merge::dialog
3614        bind . <$M1B-Key-M> merge::dialog
3615}
3616if {[is_enabled transport]} {
3617        bind . <$M1B-Key-p> do_push_anywhere
3618        bind . <$M1B-Key-P> do_push_anywhere
3619}
3620
3621bind .   <Key-F5>     ui_do_rescan
3622bind .   <$M1B-Key-r> ui_do_rescan
3623bind .   <$M1B-Key-R> ui_do_rescan
3624bind .   <$M1B-Key-s> do_signoff
3625bind .   <$M1B-Key-S> do_signoff
3626bind .   <$M1B-Key-t> do_add_selection
3627bind .   <$M1B-Key-T> do_add_selection
3628bind .   <$M1B-Key-j> do_revert_selection
3629bind .   <$M1B-Key-J> do_revert_selection
3630bind .   <$M1B-Key-i> do_add_all
3631bind .   <$M1B-Key-I> do_add_all
3632bind .   <$M1B-Key-minus> {show_less_context;break}
3633bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3634bind .   <$M1B-Key-equal> {show_more_context;break}
3635bind .   <$M1B-Key-plus> {show_more_context;break}
3636bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3637bind .   <$M1B-Key-Return> do_commit
3638foreach i [list $ui_index $ui_workdir] {
3639        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3640        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3641        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3642}
3643unset i
3644
3645set file_lists($ui_index) [list]
3646set file_lists($ui_workdir) [list]
3647
3648wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3649focus -force $ui_comm
3650
3651# -- Warn the user about environmental problems.  Cygwin's Tcl
3652#    does *not* pass its env array onto any processes it spawns.
3653#    This means that git processes get none of our environment.
3654#
3655if {[is_Cygwin]} {
3656        set ignored_env 0
3657        set suggest_user {}
3658        set msg [mc "Possible environment issues exist.
3659
3660The following environment variables are probably
3661going to be ignored by any Git subprocess run
3662by %s:
3663
3664" [appname]]
3665        foreach name [array names env] {
3666                switch -regexp -- $name {
3667                {^GIT_INDEX_FILE$} -
3668                {^GIT_OBJECT_DIRECTORY$} -
3669                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3670                {^GIT_DIFF_OPTS$} -
3671                {^GIT_EXTERNAL_DIFF$} -
3672                {^GIT_PAGER$} -
3673                {^GIT_TRACE$} -
3674                {^GIT_CONFIG$} -
3675                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3676                        append msg " - $name\n"
3677                        incr ignored_env
3678                }
3679                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3680                        append msg " - $name\n"
3681                        incr ignored_env
3682                        set suggest_user $name
3683                }
3684                }
3685        }
3686        if {$ignored_env > 0} {
3687                append msg [mc "
3688This is due to a known issue with the
3689Tcl binary distributed by Cygwin."]
3690
3691                if {$suggest_user ne {}} {
3692                        append msg [mc "
3693
3694A good replacement for %s
3695is placing values for the user.name and
3696user.email settings into your personal
3697~/.gitconfig file.
3698" $suggest_user]
3699                }
3700                warn_popup $msg
3701        }
3702        unset ignored_env msg suggest_user name
3703}
3704
3705# -- Only initialize complex UI if we are going to stay running.
3706#
3707if {[is_enabled transport]} {
3708        load_all_remotes
3709
3710        set n [.mbar.remote index end]
3711        populate_remotes_menu
3712        set n [expr {[.mbar.remote index end] - $n}]
3713        if {$n > 0} {
3714                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3715                .mbar.remote insert $n separator
3716        }
3717        unset n
3718}
3719
3720if {[winfo exists $ui_comm]} {
3721        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3722
3723        # -- If both our backup and message files exist use the
3724        #    newer of the two files to initialize the buffer.
3725        #
3726        if {$GITGUI_BCK_exists} {
3727                set m [gitdir GITGUI_MSG]
3728                if {[file isfile $m]} {
3729                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3730                                catch {file delete [gitdir GITGUI_MSG]}
3731                        } else {
3732                                $ui_comm delete 0.0 end
3733                                $ui_comm edit reset
3734                                $ui_comm edit modified false
3735                                catch {file delete [gitdir GITGUI_BCK]}
3736                                set GITGUI_BCK_exists 0
3737                        }
3738                }
3739                unset m
3740        }
3741
3742        proc backup_commit_buffer {} {
3743                global ui_comm GITGUI_BCK_exists
3744
3745                set m [$ui_comm edit modified]
3746                if {$m || $GITGUI_BCK_exists} {
3747                        set msg [string trim [$ui_comm get 0.0 end]]
3748                        regsub -all -line {[ \r\t]+$} $msg {} msg
3749
3750                        if {$msg eq {}} {
3751                                if {$GITGUI_BCK_exists} {
3752                                        catch {file delete [gitdir GITGUI_BCK]}
3753                                        set GITGUI_BCK_exists 0
3754                                }
3755                        } elseif {$m} {
3756                                catch {
3757                                        set fd [open [gitdir GITGUI_BCK] w]
3758                                        puts -nonewline $fd $msg
3759                                        close $fd
3760                                        set GITGUI_BCK_exists 1
3761                                }
3762                        }
3763
3764                        $ui_comm edit modified false
3765                }
3766
3767                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3768        }
3769
3770        backup_commit_buffer
3771
3772        # -- If the user has aspell available we can drive it
3773        #    in pipe mode to spellcheck the commit message.
3774        #
3775        set spell_cmd [list |]
3776        set spell_dict [get_config gui.spellingdictionary]
3777        lappend spell_cmd aspell
3778        if {$spell_dict ne {}} {
3779                lappend spell_cmd --master=$spell_dict
3780        }
3781        lappend spell_cmd --mode=none
3782        lappend spell_cmd --encoding=utf-8
3783        lappend spell_cmd pipe
3784        if {$spell_dict eq {none}
3785         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3786                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3787        } else {
3788                set ui_comm_spell [spellcheck::init \
3789                        $spell_fd \
3790                        $ui_comm \
3791                        $ui_comm_ctxm \
3792                ]
3793        }
3794        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3795}
3796
3797lock_index begin-read
3798if {![winfo ismapped .]} {
3799        wm deiconify .
3800}
3801after 1 {
3802        if {[is_enabled initialamend]} {
3803                force_amend
3804        } else {
3805                do_rescan
3806        }
3807
3808        if {[is_enabled nocommitmsg]} {
3809                $ui_comm configure -state disabled -background gray
3810        }
3811}
3812if {[is_enabled multicommit]} {
3813        after 1000 hint_gc
3814}
3815if {[is_enabled retcode]} {
3816        bind . <Destroy> {+terminate_me %W}
3817}
3818if {$picked && [is_config_true gui.autoexplore]} {
3819        do_explore
3820}
3821
3822# Local variables:
3823# mode: tcl
3824# indent-tabs-mode: t
3825# tab-width: 4
3826# End: