git-gui / git-gui.shon commit Merge branch 'gb/1.7.0-diff-whitespace-only-output' (648f407)
   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 [encoding convertfrom utf-8 {
  14Copyright © 2006, 2007 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 [mc "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 _gitexec {}
 125set _githtmldir {}
 126set _reponame {}
 127set _iscygwin {}
 128set _search_path {}
 129
 130set _trace [lsearch -exact $argv --trace]
 131if {$_trace >= 0} {
 132        set argv [lreplace $argv $_trace $_trace]
 133        set _trace 1
 134} else {
 135        set _trace 0
 136}
 137
 138proc appname {} {
 139        global _appname
 140        return $_appname
 141}
 142
 143proc gitdir {args} {
 144        global _gitdir
 145        if {$args eq {}} {
 146                return $_gitdir
 147        }
 148        return [eval [list file join $_gitdir] $args]
 149}
 150
 151proc gitexec {args} {
 152        global _gitexec
 153        if {$_gitexec eq {}} {
 154                if {[catch {set _gitexec [git --exec-path]} err]} {
 155                        error "Git not installed?\n\n$err"
 156                }
 157                if {[is_Cygwin]} {
 158                        set _gitexec [exec cygpath \
 159                                --windows \
 160                                --absolute \
 161                                $_gitexec]
 162                } else {
 163                        set _gitexec [file normalize $_gitexec]
 164                }
 165        }
 166        if {$args eq {}} {
 167                return $_gitexec
 168        }
 169        return [eval [list file join $_gitexec] $args]
 170}
 171
 172proc githtmldir {args} {
 173        global _githtmldir
 174        if {$_githtmldir eq {}} {
 175                if {[catch {set _githtmldir [git --html-path]}]} {
 176                        # Git not installed or option not yet supported
 177                        return {}
 178                }
 179                if {[is_Cygwin]} {
 180                        set _githtmldir [exec cygpath \
 181                                --windows \
 182                                --absolute \
 183                                $_githtmldir]
 184                } else {
 185                        set _githtmldir [file normalize $_githtmldir]
 186                }
 187        }
 188        if {$args eq {}} {
 189                return $_githtmldir
 190        }
 191        return [eval [list file join $_githtmldir] $args]
 192}
 193
 194proc reponame {} {
 195        return $::_reponame
 196}
 197
 198proc is_MacOSX {} {
 199        if {[tk windowingsystem] eq {aqua}} {
 200                return 1
 201        }
 202        return 0
 203}
 204
 205proc is_Windows {} {
 206        if {$::tcl_platform(platform) eq {windows}} {
 207                return 1
 208        }
 209        return 0
 210}
 211
 212proc is_Cygwin {} {
 213        global _iscygwin
 214        if {$_iscygwin eq {}} {
 215                if {$::tcl_platform(platform) eq {windows}} {
 216                        if {[catch {set p [exec cygpath --windir]} err]} {
 217                                set _iscygwin 0
 218                        } else {
 219                                set _iscygwin 1
 220                        }
 221                } else {
 222                        set _iscygwin 0
 223                }
 224        }
 225        return $_iscygwin
 226}
 227
 228proc is_enabled {option} {
 229        global enabled_options
 230        if {[catch {set on $enabled_options($option)}]} {return 0}
 231        return $on
 232}
 233
 234proc enable_option {option} {
 235        global enabled_options
 236        set enabled_options($option) 1
 237}
 238
 239proc disable_option {option} {
 240        global enabled_options
 241        set enabled_options($option) 0
 242}
 243
 244######################################################################
 245##
 246## config
 247
 248proc is_many_config {name} {
 249        switch -glob -- $name {
 250        gui.recentrepo -
 251        remote.*.fetch -
 252        remote.*.push
 253                {return 1}
 254        *
 255                {return 0}
 256        }
 257}
 258
 259proc is_config_true {name} {
 260        global repo_config
 261        if {[catch {set v $repo_config($name)}]} {
 262                return 0
 263        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 264                return 1
 265        } else {
 266                return 0
 267        }
 268}
 269
 270proc get_config {name} {
 271        global repo_config
 272        if {[catch {set v $repo_config($name)}]} {
 273                return {}
 274        } else {
 275                return $v
 276        }
 277}
 278
 279######################################################################
 280##
 281## handy utils
 282
 283proc _trace_exec {cmd} {
 284        if {!$::_trace} return
 285        set d {}
 286        foreach v $cmd {
 287                if {$d ne {}} {
 288                        append d { }
 289                }
 290                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 291                        set v [sq $v]
 292                }
 293                append d $v
 294        }
 295        puts stderr $d
 296}
 297
 298proc _git_cmd {name} {
 299        global _git_cmd_path
 300
 301        if {[catch {set v $_git_cmd_path($name)}]} {
 302                switch -- $name {
 303                  version   -
 304                --version   -
 305                --exec-path { return [list $::_git $name] }
 306                }
 307
 308                set p [gitexec git-$name$::_search_exe]
 309                if {[file exists $p]} {
 310                        set v [list $p]
 311                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 312                        # Try to determine what sort of magic will make
 313                        # git-$name go and do its thing, because native
 314                        # Tcl on Windows doesn't know it.
 315                        #
 316                        set p [gitexec git-$name]
 317                        set f [open $p r]
 318                        set s [gets $f]
 319                        close $f
 320
 321                        switch -glob -- [lindex $s 0] {
 322                        #!*sh     { set i sh     }
 323                        #!*perl   { set i perl   }
 324                        #!*python { set i python }
 325                        default   { error "git-$name is not supported: $s" }
 326                        }
 327
 328                        upvar #0 _$i interp
 329                        if {![info exists interp]} {
 330                                set interp [_which $i]
 331                        }
 332                        if {$interp eq {}} {
 333                                error "git-$name requires $i (not in PATH)"
 334                        }
 335                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 336                } else {
 337                        # Assume it is builtin to git somehow and we
 338                        # aren't actually able to see a file for it.
 339                        #
 340                        set v [list $::_git $name]
 341                }
 342                set _git_cmd_path($name) $v
 343        }
 344        return $v
 345}
 346
 347proc _which {what args} {
 348        global env _search_exe _search_path
 349
 350        if {$_search_path eq {}} {
 351                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 352                        set _search_path [split [exec cygpath \
 353                                --windows \
 354                                --path \
 355                                --absolute \
 356                                $env(PATH)] {;}]
 357                        set _search_exe .exe
 358                } elseif {[is_Windows]} {
 359                        set gitguidir [file dirname [info script]]
 360                        regsub -all ";" $gitguidir "\\;" gitguidir
 361                        set env(PATH) "$gitguidir;$env(PATH)"
 362                        set _search_path [split $env(PATH) {;}]
 363                        set _search_exe .exe
 364                } else {
 365                        set _search_path [split $env(PATH) :]
 366                        set _search_exe {}
 367                }
 368        }
 369
 370        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 371                set suffix {}
 372        } else {
 373                set suffix $_search_exe
 374        }
 375
 376        foreach p $_search_path {
 377                set p [file join $p $what$suffix]
 378                if {[file exists $p]} {
 379                        return [file normalize $p]
 380                }
 381        }
 382        return {}
 383}
 384
 385proc _lappend_nice {cmd_var} {
 386        global _nice
 387        upvar $cmd_var cmd
 388
 389        if {![info exists _nice]} {
 390                set _nice [_which nice]
 391        }
 392        if {$_nice ne {}} {
 393                lappend cmd $_nice
 394        }
 395}
 396
 397proc git {args} {
 398        set opt [list]
 399
 400        while {1} {
 401                switch -- [lindex $args 0] {
 402                --nice {
 403                        _lappend_nice opt
 404                }
 405
 406                default {
 407                        break
 408                }
 409
 410                }
 411
 412                set args [lrange $args 1 end]
 413        }
 414
 415        set cmdp [_git_cmd [lindex $args 0]]
 416        set args [lrange $args 1 end]
 417
 418        _trace_exec [concat $opt $cmdp $args]
 419        set result [eval exec $opt $cmdp $args]
 420        if {$::_trace} {
 421                puts stderr "< $result"
 422        }
 423        return $result
 424}
 425
 426proc _open_stdout_stderr {cmd} {
 427        _trace_exec $cmd
 428        if {[catch {
 429                        set fd [open [concat [list | ] $cmd] r]
 430                } err]} {
 431                if {   [lindex $cmd end] eq {2>@1}
 432                    && $err eq {can not find channel named "1"}
 433                        } {
 434                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 435                        # redirect operator.  Fallback to |& cat for those.
 436                        # The command was not actually started, so its safe
 437                        # to try to start it a second time.
 438                        #
 439                        set fd [open [concat \
 440                                [list | ] \
 441                                [lrange $cmd 0 end-1] \
 442                                [list |& cat] \
 443                                ] r]
 444                } else {
 445                        error $err
 446                }
 447        }
 448        fconfigure $fd -eofchar {}
 449        return $fd
 450}
 451
 452proc git_read {args} {
 453        set opt [list]
 454
 455        while {1} {
 456                switch -- [lindex $args 0] {
 457                --nice {
 458                        _lappend_nice opt
 459                }
 460
 461                --stderr {
 462                        lappend args 2>@1
 463                }
 464
 465                default {
 466                        break
 467                }
 468
 469                }
 470
 471                set args [lrange $args 1 end]
 472        }
 473
 474        set cmdp [_git_cmd [lindex $args 0]]
 475        set args [lrange $args 1 end]
 476
 477        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 478}
 479
 480proc git_write {args} {
 481        set opt [list]
 482
 483        while {1} {
 484                switch -- [lindex $args 0] {
 485                --nice {
 486                        _lappend_nice opt
 487                }
 488
 489                default {
 490                        break
 491                }
 492
 493                }
 494
 495                set args [lrange $args 1 end]
 496        }
 497
 498        set cmdp [_git_cmd [lindex $args 0]]
 499        set args [lrange $args 1 end]
 500
 501        _trace_exec [concat $opt $cmdp $args]
 502        return [open [concat [list | ] $opt $cmdp $args] w]
 503}
 504
 505proc githook_read {hook_name args} {
 506        set pchook [gitdir hooks $hook_name]
 507        lappend args 2>@1
 508
 509        # On Windows [file executable] might lie so we need to ask
 510        # the shell if the hook is executable.  Yes that's annoying.
 511        #
 512        if {[is_Windows]} {
 513                upvar #0 _sh interp
 514                if {![info exists interp]} {
 515                        set interp [_which sh]
 516                }
 517                if {$interp eq {}} {
 518                        error "hook execution requires sh (not in PATH)"
 519                }
 520
 521                set scr {if test -x "$1";then exec "$@";fi}
 522                set sh_c [list $interp -c $scr $interp $pchook]
 523                return [_open_stdout_stderr [concat $sh_c $args]]
 524        }
 525
 526        if {[file executable $pchook]} {
 527                return [_open_stdout_stderr [concat [list $pchook] $args]]
 528        }
 529
 530        return {}
 531}
 532
 533proc kill_file_process {fd} {
 534        set process [pid $fd]
 535
 536        catch {
 537                if {[is_Windows]} {
 538                        # Use a Cygwin-specific flag to allow killing
 539                        # native Windows processes
 540                        exec kill -f $process
 541                } else {
 542                        exec kill $process
 543                }
 544        }
 545}
 546
 547proc gitattr {path attr default} {
 548        if {[catch {set r [git check-attr $attr -- $path]}]} {
 549                set r unspecified
 550        } else {
 551                set r [join [lrange [split $r :] 2 end] :]
 552                regsub {^ } $r {} r
 553        }
 554        if {$r eq {unspecified}} {
 555                return $default
 556        }
 557        return $r
 558}
 559
 560proc sq {value} {
 561        regsub -all ' $value "'\\''" value
 562        return "'$value'"
 563}
 564
 565proc load_current_branch {} {
 566        global current_branch is_detached
 567
 568        set fd [open [gitdir HEAD] r]
 569        if {[gets $fd ref] < 1} {
 570                set ref {}
 571        }
 572        close $fd
 573
 574        set pfx {ref: refs/heads/}
 575        set len [string length $pfx]
 576        if {[string equal -length $len $pfx $ref]} {
 577                # We're on a branch.  It might not exist.  But
 578                # HEAD looks good enough to be a branch.
 579                #
 580                set current_branch [string range $ref $len end]
 581                set is_detached 0
 582        } else {
 583                # Assume this is a detached head.
 584                #
 585                set current_branch HEAD
 586                set is_detached 1
 587        }
 588}
 589
 590auto_load tk_optionMenu
 591rename tk_optionMenu real__tkOptionMenu
 592proc tk_optionMenu {w varName args} {
 593        set m [eval real__tkOptionMenu $w $varName $args]
 594        $m configure -font font_ui
 595        $w configure -font font_ui
 596        return $m
 597}
 598
 599proc rmsel_tag {text} {
 600        $text tag conf sel \
 601                -background [$text cget -background] \
 602                -foreground [$text cget -foreground] \
 603                -borderwidth 0
 604        $text tag conf in_sel -background lightgray
 605        bind $text <Motion> break
 606        return $text
 607}
 608
 609set root_exists 0
 610bind . <Visibility> {
 611        bind . <Visibility> {}
 612        set root_exists 1
 613}
 614
 615if {[is_Windows]} {
 616        wm iconbitmap . -default $oguilib/git-gui.ico
 617        set ::tk::AlwaysShowSelection 1
 618
 619        # Spoof an X11 display for SSH
 620        if {![info exists env(DISPLAY)]} {
 621                set env(DISPLAY) :9999
 622        }
 623} else {
 624        catch {
 625                image create photo gitlogo -width 16 -height 16
 626
 627                gitlogo put #33CC33 -to  7  0  9  2
 628                gitlogo put #33CC33 -to  4  2 12  4
 629                gitlogo put #33CC33 -to  7  4  9  6
 630                gitlogo put #CC3333 -to  4  6 12  8
 631                gitlogo put gray26  -to  4  9  6 10
 632                gitlogo put gray26  -to  3 10  6 12
 633                gitlogo put gray26  -to  8  9 13 11
 634                gitlogo put gray26  -to  8 11 10 12
 635                gitlogo put gray26  -to 11 11 13 14
 636                gitlogo put gray26  -to  3 12  5 14
 637                gitlogo put gray26  -to  5 13
 638                gitlogo put gray26  -to 10 13
 639                gitlogo put gray26  -to  4 14 12 15
 640                gitlogo put gray26  -to  5 15 11 16
 641                gitlogo redither
 642
 643                wm iconphoto . -default gitlogo
 644        }
 645}
 646
 647######################################################################
 648##
 649## config defaults
 650
 651set cursor_ptr arrow
 652font create font_diff -family Courier -size 10
 653font create font_ui
 654catch {
 655        label .dummy
 656        eval font configure font_ui [font actual [.dummy cget -font]]
 657        destroy .dummy
 658}
 659
 660font create font_uiitalic
 661font create font_uibold
 662font create font_diffbold
 663font create font_diffitalic
 664
 665foreach class {Button Checkbutton Entry Label
 666                Labelframe Listbox Message
 667                Radiobutton Spinbox Text} {
 668        option add *$class.font font_ui
 669}
 670if {![is_MacOSX]} {
 671        option add *Menu.font font_ui
 672}
 673unset class
 674
 675if {[is_Windows] || [is_MacOSX]} {
 676        option add *Menu.tearOff 0
 677}
 678
 679if {[is_MacOSX]} {
 680        set M1B M1
 681        set M1T Cmd
 682} else {
 683        set M1B Control
 684        set M1T Ctrl
 685}
 686
 687proc bind_button3 {w cmd} {
 688        bind $w <Any-Button-3> $cmd
 689        if {[is_MacOSX]} {
 690                # Mac OS X sends Button-2 on right click through three-button mouse,
 691                # or through trackpad right-clicking (two-finger touch + click).
 692                bind $w <Any-Button-2> $cmd
 693                bind $w <Control-Button-1> $cmd
 694        }
 695}
 696
 697proc apply_config {} {
 698        global repo_config font_descs
 699
 700        foreach option $font_descs {
 701                set name [lindex $option 0]
 702                set font [lindex $option 1]
 703                if {[catch {
 704                        set need_weight 1
 705                        foreach {cn cv} $repo_config(gui.$name) {
 706                                if {$cn eq {-weight}} {
 707                                        set need_weight 0
 708                                }
 709                                font configure $font $cn $cv
 710                        }
 711                        if {$need_weight} {
 712                                font configure $font -weight normal
 713                        }
 714                        } err]} {
 715                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 716                }
 717                foreach {cn cv} [font configure $font] {
 718                        font configure ${font}bold $cn $cv
 719                        font configure ${font}italic $cn $cv
 720                }
 721                font configure ${font}bold -weight bold
 722                font configure ${font}italic -slant italic
 723        }
 724}
 725
 726set default_config(branch.autosetupmerge) true
 727set default_config(merge.tool) {}
 728set default_config(mergetool.keepbackup) true
 729set default_config(merge.diffstat) true
 730set default_config(merge.summary) false
 731set default_config(merge.verbosity) 2
 732set default_config(user.name) {}
 733set default_config(user.email) {}
 734
 735set default_config(gui.encoding) [encoding system]
 736set default_config(gui.matchtrackingbranch) false
 737set default_config(gui.pruneduringfetch) false
 738set default_config(gui.trustmtime) false
 739set default_config(gui.fastcopyblame) false
 740set default_config(gui.copyblamethreshold) 40
 741set default_config(gui.blamehistoryctx) 7
 742set default_config(gui.diffcontext) 5
 743set default_config(gui.commitmsgwidth) 75
 744set default_config(gui.newbranchtemplate) {}
 745set default_config(gui.spellingdictionary) {}
 746set default_config(gui.fontui) [font configure font_ui]
 747set default_config(gui.fontdiff) [font configure font_diff]
 748# TODO: this option should be added to the git-config documentation
 749set default_config(gui.maxfilesdisplayed) 5000
 750set font_descs {
 751        {fontui   font_ui   {mc "Main Font"}}
 752        {fontdiff font_diff {mc "Diff/Console Font"}}
 753}
 754
 755######################################################################
 756##
 757## find git
 758
 759set _git  [_which git]
 760if {$_git eq {}} {
 761        catch {wm withdraw .}
 762        tk_messageBox \
 763                -icon error \
 764                -type ok \
 765                -title [mc "git-gui: fatal error"] \
 766                -message [mc "Cannot find git in PATH."]
 767        exit 1
 768}
 769
 770######################################################################
 771##
 772## version check
 773
 774if {[catch {set _git_version [git --version]} err]} {
 775        catch {wm withdraw .}
 776        tk_messageBox \
 777                -icon error \
 778                -type ok \
 779                -title [mc "git-gui: fatal error"] \
 780                -message "Cannot determine Git version:
 781
 782$err
 783
 784[appname] requires Git 1.5.0 or later."
 785        exit 1
 786}
 787if {![regsub {^git version } $_git_version {} _git_version]} {
 788        catch {wm withdraw .}
 789        tk_messageBox \
 790                -icon error \
 791                -type ok \
 792                -title [mc "git-gui: fatal error"] \
 793                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 794        exit 1
 795}
 796
 797set _real_git_version $_git_version
 798regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 799regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 800regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 801regsub {\.GIT$} $_git_version {} _git_version
 802regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 803
 804if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 805        catch {wm withdraw .}
 806        if {[tk_messageBox \
 807                -icon warning \
 808                -type yesno \
 809                -default no \
 810                -title "[appname]: warning" \
 811                 -message [mc "Git version cannot be determined.
 812
 813%s claims it is version '%s'.
 814
 815%s requires at least Git 1.5.0 or later.
 816
 817Assume '%s' is version 1.5.0?
 818" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 819                set _git_version 1.5.0
 820        } else {
 821                exit 1
 822        }
 823}
 824unset _real_git_version
 825
 826proc git-version {args} {
 827        global _git_version
 828
 829        switch [llength $args] {
 830        0 {
 831                return $_git_version
 832        }
 833
 834        2 {
 835                set op [lindex $args 0]
 836                set vr [lindex $args 1]
 837                set cm [package vcompare $_git_version $vr]
 838                return [expr $cm $op 0]
 839        }
 840
 841        4 {
 842                set type [lindex $args 0]
 843                set name [lindex $args 1]
 844                set parm [lindex $args 2]
 845                set body [lindex $args 3]
 846
 847                if {($type ne {proc} && $type ne {method})} {
 848                        error "Invalid arguments to git-version"
 849                }
 850                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 851                        error "Last arm of $type $name must be default"
 852                }
 853
 854                foreach {op vr cb} [lrange $body 0 end-2] {
 855                        if {[git-version $op $vr]} {
 856                                return [uplevel [list $type $name $parm $cb]]
 857                        }
 858                }
 859
 860                return [uplevel [list $type $name $parm [lindex $body end]]]
 861        }
 862
 863        default {
 864                error "git-version >= x"
 865        }
 866
 867        }
 868}
 869
 870if {[git-version < 1.5]} {
 871        catch {wm withdraw .}
 872        tk_messageBox \
 873                -icon error \
 874                -type ok \
 875                -title [mc "git-gui: fatal error"] \
 876                -message "[appname] requires Git 1.5.0 or later.
 877
 878You are using [git-version]:
 879
 880[git --version]"
 881        exit 1
 882}
 883
 884######################################################################
 885##
 886## configure our library
 887
 888set idx [file join $oguilib tclIndex]
 889if {[catch {set fd [open $idx r]} err]} {
 890        catch {wm withdraw .}
 891        tk_messageBox \
 892                -icon error \
 893                -type ok \
 894                -title [mc "git-gui: fatal error"] \
 895                -message $err
 896        exit 1
 897}
 898if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 899        set idx [list]
 900        while {[gets $fd n] >= 0} {
 901                if {$n ne {} && ![string match #* $n]} {
 902                        lappend idx $n
 903                }
 904        }
 905} else {
 906        set idx {}
 907}
 908close $fd
 909
 910if {$idx ne {}} {
 911        set loaded [list]
 912        foreach p $idx {
 913                if {[lsearch -exact $loaded $p] >= 0} continue
 914                source [file join $oguilib $p]
 915                lappend loaded $p
 916        }
 917        unset loaded p
 918} else {
 919        set auto_path [concat [list $oguilib] $auto_path]
 920}
 921unset -nocomplain idx fd
 922
 923######################################################################
 924##
 925## config file parsing
 926
 927git-version proc _parse_config {arr_name args} {
 928        >= 1.5.3 {
 929                upvar $arr_name arr
 930                array unset arr
 931                set buf {}
 932                catch {
 933                        set fd_rc [eval \
 934                                [list git_read config] \
 935                                $args \
 936                                [list --null --list]]
 937                        fconfigure $fd_rc -translation binary
 938                        set buf [read $fd_rc]
 939                        close $fd_rc
 940                }
 941                foreach line [split $buf "\0"] {
 942                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 943                                if {[is_many_config $name]} {
 944                                        lappend arr($name) $value
 945                                } else {
 946                                        set arr($name) $value
 947                                }
 948                        }
 949                }
 950        }
 951        default {
 952                upvar $arr_name arr
 953                array unset arr
 954                catch {
 955                        set fd_rc [eval [list git_read config --list] $args]
 956                        while {[gets $fd_rc line] >= 0} {
 957                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 958                                        if {[is_many_config $name]} {
 959                                                lappend arr($name) $value
 960                                        } else {
 961                                                set arr($name) $value
 962                                        }
 963                                }
 964                        }
 965                        close $fd_rc
 966                }
 967        }
 968}
 969
 970proc load_config {include_global} {
 971        global repo_config global_config system_config default_config
 972
 973        if {$include_global} {
 974                _parse_config system_config --system
 975                _parse_config global_config --global
 976        }
 977        _parse_config repo_config
 978
 979        foreach name [array names default_config] {
 980                if {[catch {set v $system_config($name)}]} {
 981                        set system_config($name) $default_config($name)
 982                }
 983        }
 984        foreach name [array names system_config] {
 985                if {[catch {set v $global_config($name)}]} {
 986                        set global_config($name) $system_config($name)
 987                }
 988                if {[catch {set v $repo_config($name)}]} {
 989                        set repo_config($name) $system_config($name)
 990                }
 991        }
 992}
 993
 994######################################################################
 995##
 996## feature option selection
 997
 998if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 999        unset _junk
1000} else {
1001        set subcommand gui
1002}
1003if {$subcommand eq {gui.sh}} {
1004        set subcommand gui
1005}
1006if {$subcommand eq {gui} && [llength $argv] > 0} {
1007        set subcommand [lindex $argv 0]
1008        set argv [lrange $argv 1 end]
1009}
1010
1011enable_option multicommit
1012enable_option branch
1013enable_option transport
1014disable_option bare
1015
1016switch -- $subcommand {
1017browser -
1018blame {
1019        enable_option bare
1020
1021        disable_option multicommit
1022        disable_option branch
1023        disable_option transport
1024}
1025citool {
1026        enable_option singlecommit
1027        enable_option retcode
1028
1029        disable_option multicommit
1030        disable_option branch
1031        disable_option transport
1032
1033        while {[llength $argv] > 0} {
1034                set a [lindex $argv 0]
1035                switch -- $a {
1036                --amend {
1037                        enable_option initialamend
1038                }
1039                --nocommit {
1040                        enable_option nocommit
1041                        enable_option nocommitmsg
1042                }
1043                --commitmsg {
1044                        disable_option nocommitmsg
1045                }
1046                default {
1047                        break
1048                }
1049                }
1050
1051                set argv [lrange $argv 1 end]
1052        }
1053}
1054}
1055
1056######################################################################
1057##
1058## execution environment
1059
1060set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1061
1062# Suggest our implementation of askpass, if none is set
1063if {![info exists env(SSH_ASKPASS)]} {
1064        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1065}
1066
1067######################################################################
1068##
1069## repository setup
1070
1071set picked 0
1072if {[catch {
1073                set _gitdir $env(GIT_DIR)
1074                set _prefix {}
1075                }]
1076        && [catch {
1077                set _gitdir [git rev-parse --git-dir]
1078                set _prefix [git rev-parse --show-prefix]
1079        } err]} {
1080        load_config 1
1081        apply_config
1082        choose_repository::pick
1083        set picked 1
1084}
1085if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1086        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1087}
1088if {![file isdirectory $_gitdir]} {
1089        catch {wm withdraw .}
1090        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1091        exit 1
1092}
1093if {$_prefix ne {}} {
1094        regsub -all {[^/]+/} $_prefix ../ cdup
1095        if {[catch {cd $cdup} err]} {
1096                catch {wm withdraw .}
1097                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1098                exit 1
1099        }
1100        unset cdup
1101} elseif {![is_enabled bare]} {
1102        if {[lindex [file split $_gitdir] end] ne {.git}} {
1103                catch {wm withdraw .}
1104                error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1105                exit 1
1106        }
1107        if {[catch {cd [file dirname $_gitdir]} err]} {
1108                catch {wm withdraw .}
1109                error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1110                exit 1
1111        }
1112}
1113set _reponame [file split [file normalize $_gitdir]]
1114if {[lindex $_reponame end] eq {.git}} {
1115        set _reponame [lindex $_reponame end-1]
1116} else {
1117        set _reponame [lindex $_reponame end]
1118}
1119
1120######################################################################
1121##
1122## global init
1123
1124set current_diff_path {}
1125set current_diff_side {}
1126set diff_actions [list]
1127
1128set HEAD {}
1129set PARENT {}
1130set MERGE_HEAD [list]
1131set commit_type {}
1132set empty_tree {}
1133set current_branch {}
1134set is_detached 0
1135set current_diff_path {}
1136set is_3way_diff 0
1137set is_submodule_diff 0
1138set is_conflict_diff 0
1139set selected_commit_type new
1140set diff_empty_count 0
1141
1142set nullid "0000000000000000000000000000000000000000"
1143set nullid2 "0000000000000000000000000000000000000001"
1144
1145######################################################################
1146##
1147## task management
1148
1149set rescan_active 0
1150set diff_active 0
1151set last_clicked {}
1152
1153set disable_on_lock [list]
1154set index_lock_type none
1155
1156proc lock_index {type} {
1157        global index_lock_type disable_on_lock
1158
1159        if {$index_lock_type eq {none}} {
1160                set index_lock_type $type
1161                foreach w $disable_on_lock {
1162                        uplevel #0 $w disabled
1163                }
1164                return 1
1165        } elseif {$index_lock_type eq "begin-$type"} {
1166                set index_lock_type $type
1167                return 1
1168        }
1169        return 0
1170}
1171
1172proc unlock_index {} {
1173        global index_lock_type disable_on_lock
1174
1175        set index_lock_type none
1176        foreach w $disable_on_lock {
1177                uplevel #0 $w normal
1178        }
1179}
1180
1181######################################################################
1182##
1183## status
1184
1185proc repository_state {ctvar hdvar mhvar} {
1186        global current_branch
1187        upvar $ctvar ct $hdvar hd $mhvar mh
1188
1189        set mh [list]
1190
1191        load_current_branch
1192        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1193                set hd {}
1194                set ct initial
1195                return
1196        }
1197
1198        set merge_head [gitdir MERGE_HEAD]
1199        if {[file exists $merge_head]} {
1200                set ct merge
1201                set fd_mh [open $merge_head r]
1202                while {[gets $fd_mh line] >= 0} {
1203                        lappend mh $line
1204                }
1205                close $fd_mh
1206                return
1207        }
1208
1209        set ct normal
1210}
1211
1212proc PARENT {} {
1213        global PARENT empty_tree
1214
1215        set p [lindex $PARENT 0]
1216        if {$p ne {}} {
1217                return $p
1218        }
1219        if {$empty_tree eq {}} {
1220                set empty_tree [git mktree << {}]
1221        }
1222        return $empty_tree
1223}
1224
1225proc force_amend {} {
1226        global selected_commit_type
1227        global HEAD PARENT MERGE_HEAD commit_type
1228
1229        repository_state newType newHEAD newMERGE_HEAD
1230        set HEAD $newHEAD
1231        set PARENT $newHEAD
1232        set MERGE_HEAD $newMERGE_HEAD
1233        set commit_type $newType
1234
1235        set selected_commit_type amend
1236        do_select_commit_type
1237}
1238
1239proc rescan {after {honor_trustmtime 1}} {
1240        global HEAD PARENT MERGE_HEAD commit_type
1241        global ui_index ui_workdir ui_comm
1242        global rescan_active file_states
1243        global repo_config
1244
1245        if {$rescan_active > 0 || ![lock_index read]} return
1246
1247        repository_state newType newHEAD newMERGE_HEAD
1248        if {[string match amend* $commit_type]
1249                && $newType eq {normal}
1250                && $newHEAD eq $HEAD} {
1251        } else {
1252                set HEAD $newHEAD
1253                set PARENT $newHEAD
1254                set MERGE_HEAD $newMERGE_HEAD
1255                set commit_type $newType
1256        }
1257
1258        array unset file_states
1259
1260        if {!$::GITGUI_BCK_exists &&
1261                (![$ui_comm edit modified]
1262                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1263                if {[string match amend* $commit_type]} {
1264                } elseif {[load_message GITGUI_MSG]} {
1265                } elseif {[run_prepare_commit_msg_hook]} {
1266                } elseif {[load_message MERGE_MSG]} {
1267                } elseif {[load_message SQUASH_MSG]} {
1268                }
1269                $ui_comm edit reset
1270                $ui_comm edit modified false
1271        }
1272
1273        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1274                rescan_stage2 {} $after
1275        } else {
1276                set rescan_active 1
1277                ui_status [mc "Refreshing file status..."]
1278                set fd_rf [git_read update-index \
1279                        -q \
1280                        --unmerged \
1281                        --ignore-missing \
1282                        --refresh \
1283                        ]
1284                fconfigure $fd_rf -blocking 0 -translation binary
1285                fileevent $fd_rf readable \
1286                        [list rescan_stage2 $fd_rf $after]
1287        }
1288}
1289
1290if {[is_Cygwin]} {
1291        set is_git_info_exclude {}
1292        proc have_info_exclude {} {
1293                global is_git_info_exclude
1294
1295                if {$is_git_info_exclude eq {}} {
1296                        if {[catch {exec test -f [gitdir info exclude]}]} {
1297                                set is_git_info_exclude 0
1298                        } else {
1299                                set is_git_info_exclude 1
1300                        }
1301                }
1302                return $is_git_info_exclude
1303        }
1304} else {
1305        proc have_info_exclude {} {
1306                return [file readable [gitdir info exclude]]
1307        }
1308}
1309
1310proc rescan_stage2 {fd after} {
1311        global rescan_active buf_rdi buf_rdf buf_rlo
1312
1313        if {$fd ne {}} {
1314                read $fd
1315                if {![eof $fd]} return
1316                close $fd
1317        }
1318
1319        set ls_others [list --exclude-per-directory=.gitignore]
1320        if {[have_info_exclude]} {
1321                lappend ls_others "--exclude-from=[gitdir info exclude]"
1322        }
1323        set user_exclude [get_config core.excludesfile]
1324        if {$user_exclude ne {} && [file readable $user_exclude]} {
1325                lappend ls_others "--exclude-from=$user_exclude"
1326        }
1327
1328        set buf_rdi {}
1329        set buf_rdf {}
1330        set buf_rlo {}
1331
1332        set rescan_active 3
1333        ui_status [mc "Scanning for modified files ..."]
1334        set fd_di [git_read diff-index --cached -z [PARENT]]
1335        set fd_df [git_read diff-files -z]
1336        set fd_lo [eval git_read ls-files --others -z $ls_others]
1337
1338        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1339        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1340        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1341        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1342        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1343        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1344}
1345
1346proc load_message {file} {
1347        global ui_comm
1348
1349        set f [gitdir $file]
1350        if {[file isfile $f]} {
1351                if {[catch {set fd [open $f r]}]} {
1352                        return 0
1353                }
1354                fconfigure $fd -eofchar {}
1355                set content [string trim [read $fd]]
1356                close $fd
1357                regsub -all -line {[ \r\t]+$} $content {} content
1358                $ui_comm delete 0.0 end
1359                $ui_comm insert end $content
1360                return 1
1361        }
1362        return 0
1363}
1364
1365proc run_prepare_commit_msg_hook {} {
1366        global pch_error
1367
1368        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1369        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1370        # empty file but existant file.
1371
1372        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1373
1374        if {[file isfile [gitdir MERGE_MSG]]} {
1375                set pcm_source "merge"
1376                set fd_mm [open [gitdir MERGE_MSG] r]
1377                puts -nonewline $fd_pcm [read $fd_mm]
1378                close $fd_mm
1379        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1380                set pcm_source "squash"
1381                set fd_sm [open [gitdir SQUASH_MSG] r]
1382                puts -nonewline $fd_pcm [read $fd_sm]
1383                close $fd_sm
1384        } else {
1385                set pcm_source ""
1386        }
1387
1388        close $fd_pcm
1389
1390        set fd_ph [githook_read prepare-commit-msg \
1391                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1392        if {$fd_ph eq {}} {
1393                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1394                return 0;
1395        }
1396
1397        ui_status [mc "Calling prepare-commit-msg hook..."]
1398        set pch_error {}
1399
1400        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1401        fileevent $fd_ph readable \
1402                [list prepare_commit_msg_hook_wait $fd_ph]
1403
1404        return 1;
1405}
1406
1407proc prepare_commit_msg_hook_wait {fd_ph} {
1408        global pch_error
1409
1410        append pch_error [read $fd_ph]
1411        fconfigure $fd_ph -blocking 1
1412        if {[eof $fd_ph]} {
1413                if {[catch {close $fd_ph}]} {
1414                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1415                        hook_failed_popup prepare-commit-msg $pch_error
1416                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1417                        exit 1
1418                } else {
1419                        load_message PREPARE_COMMIT_MSG
1420                }
1421                set pch_error {}
1422                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1423                return
1424        }
1425        fconfigure $fd_ph -blocking 0
1426        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1427}
1428
1429proc read_diff_index {fd after} {
1430        global buf_rdi
1431
1432        append buf_rdi [read $fd]
1433        set c 0
1434        set n [string length $buf_rdi]
1435        while {$c < $n} {
1436                set z1 [string first "\0" $buf_rdi $c]
1437                if {$z1 == -1} break
1438                incr z1
1439                set z2 [string first "\0" $buf_rdi $z1]
1440                if {$z2 == -1} break
1441
1442                incr c
1443                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1444                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1445                merge_state \
1446                        [encoding convertfrom $p] \
1447                        [lindex $i 4]? \
1448                        [list [lindex $i 0] [lindex $i 2]] \
1449                        [list]
1450                set c $z2
1451                incr c
1452        }
1453        if {$c < $n} {
1454                set buf_rdi [string range $buf_rdi $c end]
1455        } else {
1456                set buf_rdi {}
1457        }
1458
1459        rescan_done $fd buf_rdi $after
1460}
1461
1462proc read_diff_files {fd after} {
1463        global buf_rdf
1464
1465        append buf_rdf [read $fd]
1466        set c 0
1467        set n [string length $buf_rdf]
1468        while {$c < $n} {
1469                set z1 [string first "\0" $buf_rdf $c]
1470                if {$z1 == -1} break
1471                incr z1
1472                set z2 [string first "\0" $buf_rdf $z1]
1473                if {$z2 == -1} break
1474
1475                incr c
1476                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1477                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1478                merge_state \
1479                        [encoding convertfrom $p] \
1480                        ?[lindex $i 4] \
1481                        [list] \
1482                        [list [lindex $i 0] [lindex $i 2]]
1483                set c $z2
1484                incr c
1485        }
1486        if {$c < $n} {
1487                set buf_rdf [string range $buf_rdf $c end]
1488        } else {
1489                set buf_rdf {}
1490        }
1491
1492        rescan_done $fd buf_rdf $after
1493}
1494
1495proc read_ls_others {fd after} {
1496        global buf_rlo
1497
1498        append buf_rlo [read $fd]
1499        set pck [split $buf_rlo "\0"]
1500        set buf_rlo [lindex $pck end]
1501        foreach p [lrange $pck 0 end-1] {
1502                set p [encoding convertfrom $p]
1503                if {[string index $p end] eq {/}} {
1504                        set p [string range $p 0 end-1]
1505                }
1506                merge_state $p ?O
1507        }
1508        rescan_done $fd buf_rlo $after
1509}
1510
1511proc rescan_done {fd buf after} {
1512        global rescan_active current_diff_path
1513        global file_states repo_config
1514        upvar $buf to_clear
1515
1516        if {![eof $fd]} return
1517        set to_clear {}
1518        close $fd
1519        if {[incr rescan_active -1] > 0} return
1520
1521        prune_selection
1522        unlock_index
1523        display_all_files
1524        if {$current_diff_path ne {}} { reshow_diff $after }
1525        if {$current_diff_path eq {}} { select_first_diff $after }
1526}
1527
1528proc prune_selection {} {
1529        global file_states selected_paths
1530
1531        foreach path [array names selected_paths] {
1532                if {[catch {set still_here $file_states($path)}]} {
1533                        unset selected_paths($path)
1534                }
1535        }
1536}
1537
1538######################################################################
1539##
1540## ui helpers
1541
1542proc mapicon {w state path} {
1543        global all_icons
1544
1545        if {[catch {set r $all_icons($state$w)}]} {
1546                puts "error: no icon for $w state={$state} $path"
1547                return file_plain
1548        }
1549        return $r
1550}
1551
1552proc mapdesc {state path} {
1553        global all_descs
1554
1555        if {[catch {set r $all_descs($state)}]} {
1556                puts "error: no desc for state={$state} $path"
1557                return $state
1558        }
1559        return $r
1560}
1561
1562proc ui_status {msg} {
1563        global main_status
1564        if {[info exists main_status]} {
1565                $main_status show $msg
1566        }
1567}
1568
1569proc ui_ready {{test {}}} {
1570        global main_status
1571        if {[info exists main_status]} {
1572                $main_status show [mc "Ready."] $test
1573        }
1574}
1575
1576proc escape_path {path} {
1577        regsub -all {\\} $path "\\\\" path
1578        regsub -all "\n" $path "\\n" path
1579        return $path
1580}
1581
1582proc short_path {path} {
1583        return [escape_path [lindex [file split $path] end]]
1584}
1585
1586set next_icon_id 0
1587set null_sha1 [string repeat 0 40]
1588
1589proc merge_state {path new_state {head_info {}} {index_info {}}} {
1590        global file_states next_icon_id null_sha1
1591
1592        set s0 [string index $new_state 0]
1593        set s1 [string index $new_state 1]
1594
1595        if {[catch {set info $file_states($path)}]} {
1596                set state __
1597                set icon n[incr next_icon_id]
1598        } else {
1599                set state [lindex $info 0]
1600                set icon [lindex $info 1]
1601                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1602                if {$index_info eq {}} {set index_info [lindex $info 3]}
1603        }
1604
1605        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1606        elseif {$s0 eq {_}} {set s0 _}
1607
1608        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1609        elseif {$s1 eq {_}} {set s1 _}
1610
1611        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1612                set head_info [list 0 $null_sha1]
1613        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1614                && $head_info eq {}} {
1615                set head_info $index_info
1616        }
1617
1618        set file_states($path) [list $s0$s1 $icon \
1619                $head_info $index_info \
1620                ]
1621        return $state
1622}
1623
1624proc display_file_helper {w path icon_name old_m new_m} {
1625        global file_lists
1626
1627        if {$new_m eq {_}} {
1628                set lno [lsearch -sorted -exact $file_lists($w) $path]
1629                if {$lno >= 0} {
1630                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1631                        incr lno
1632                        $w conf -state normal
1633                        $w delete $lno.0 [expr {$lno + 1}].0
1634                        $w conf -state disabled
1635                }
1636        } elseif {$old_m eq {_} && $new_m ne {_}} {
1637                lappend file_lists($w) $path
1638                set file_lists($w) [lsort -unique $file_lists($w)]
1639                set lno [lsearch -sorted -exact $file_lists($w) $path]
1640                incr lno
1641                $w conf -state normal
1642                $w image create $lno.0 \
1643                        -align center -padx 5 -pady 1 \
1644                        -name $icon_name \
1645                        -image [mapicon $w $new_m $path]
1646                $w insert $lno.1 "[escape_path $path]\n"
1647                $w conf -state disabled
1648        } elseif {$old_m ne $new_m} {
1649                $w conf -state normal
1650                $w image conf $icon_name -image [mapicon $w $new_m $path]
1651                $w conf -state disabled
1652        }
1653}
1654
1655proc display_file {path state} {
1656        global file_states selected_paths
1657        global ui_index ui_workdir
1658
1659        set old_m [merge_state $path $state]
1660        set s $file_states($path)
1661        set new_m [lindex $s 0]
1662        set icon_name [lindex $s 1]
1663
1664        set o [string index $old_m 0]
1665        set n [string index $new_m 0]
1666        if {$o eq {U}} {
1667                set o _
1668        }
1669        if {$n eq {U}} {
1670                set n _
1671        }
1672        display_file_helper     $ui_index $path $icon_name $o $n
1673
1674        if {[string index $old_m 0] eq {U}} {
1675                set o U
1676        } else {
1677                set o [string index $old_m 1]
1678        }
1679        if {[string index $new_m 0] eq {U}} {
1680                set n U
1681        } else {
1682                set n [string index $new_m 1]
1683        }
1684        display_file_helper     $ui_workdir $path $icon_name $o $n
1685
1686        if {$new_m eq {__}} {
1687                unset file_states($path)
1688                catch {unset selected_paths($path)}
1689        }
1690}
1691
1692proc display_all_files_helper {w path icon_name m} {
1693        global file_lists
1694
1695        lappend file_lists($w) $path
1696        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1697        $w image create end \
1698                -align center -padx 5 -pady 1 \
1699                -name $icon_name \
1700                -image [mapicon $w $m $path]
1701        $w insert end "[escape_path $path]\n"
1702}
1703
1704set files_warning 0
1705proc display_all_files {} {
1706        global ui_index ui_workdir
1707        global file_states file_lists
1708        global last_clicked
1709        global files_warning
1710
1711        $ui_index conf -state normal
1712        $ui_workdir conf -state normal
1713
1714        $ui_index delete 0.0 end
1715        $ui_workdir delete 0.0 end
1716        set last_clicked {}
1717
1718        set file_lists($ui_index) [list]
1719        set file_lists($ui_workdir) [list]
1720
1721        set to_display [lsort [array names file_states]]
1722        set display_limit [get_config gui.maxfilesdisplayed]
1723        if {[llength $to_display] > $display_limit} {
1724                if {!$files_warning} {
1725                        # do not repeatedly warn:
1726                        set files_warning 1
1727                        info_popup [mc "Displaying only %s of %s files." \
1728                                $display_limit [llength $to_display]]
1729                }
1730                set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1731        }
1732        foreach path $to_display {
1733                set s $file_states($path)
1734                set m [lindex $s 0]
1735                set icon_name [lindex $s 1]
1736
1737                set s [string index $m 0]
1738                if {$s ne {U} && $s ne {_}} {
1739                        display_all_files_helper $ui_index $path \
1740                                $icon_name $s
1741                }
1742
1743                if {[string index $m 0] eq {U}} {
1744                        set s U
1745                } else {
1746                        set s [string index $m 1]
1747                }
1748                if {$s ne {_}} {
1749                        display_all_files_helper $ui_workdir $path \
1750                                $icon_name $s
1751                }
1752        }
1753
1754        $ui_index conf -state disabled
1755        $ui_workdir conf -state disabled
1756}
1757
1758######################################################################
1759##
1760## icons
1761
1762set filemask {
1763#define mask_width 14
1764#define mask_height 15
1765static unsigned char mask_bits[] = {
1766   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1767   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1768   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1769}
1770
1771image create bitmap file_plain -background white -foreground black -data {
1772#define plain_width 14
1773#define plain_height 15
1774static unsigned char plain_bits[] = {
1775   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1776   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1777   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1778} -maskdata $filemask
1779
1780image create bitmap file_mod -background white -foreground blue -data {
1781#define mod_width 14
1782#define mod_height 15
1783static unsigned char mod_bits[] = {
1784   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1785   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1786   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1787} -maskdata $filemask
1788
1789image create bitmap file_fulltick -background white -foreground "#007000" -data {
1790#define file_fulltick_width 14
1791#define file_fulltick_height 15
1792static unsigned char file_fulltick_bits[] = {
1793   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1794   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1795   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1796} -maskdata $filemask
1797
1798image create bitmap file_parttick -background white -foreground "#005050" -data {
1799#define parttick_width 14
1800#define parttick_height 15
1801static unsigned char parttick_bits[] = {
1802   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1803   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1804   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1805} -maskdata $filemask
1806
1807image create bitmap file_question -background white -foreground black -data {
1808#define file_question_width 14
1809#define file_question_height 15
1810static unsigned char file_question_bits[] = {
1811   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1812   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1813   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1814} -maskdata $filemask
1815
1816image create bitmap file_removed -background white -foreground red -data {
1817#define file_removed_width 14
1818#define file_removed_height 15
1819static unsigned char file_removed_bits[] = {
1820   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1821   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1822   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1823} -maskdata $filemask
1824
1825image create bitmap file_merge -background white -foreground blue -data {
1826#define file_merge_width 14
1827#define file_merge_height 15
1828static unsigned char file_merge_bits[] = {
1829   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1830   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1831   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1832} -maskdata $filemask
1833
1834image create bitmap file_statechange -background white -foreground green -data {
1835#define file_merge_width 14
1836#define file_merge_height 15
1837static unsigned char file_statechange_bits[] = {
1838   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1839   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1840   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1841} -maskdata $filemask
1842
1843set ui_index .vpane.files.index.list
1844set ui_workdir .vpane.files.workdir.list
1845
1846set all_icons(_$ui_index)   file_plain
1847set all_icons(A$ui_index)   file_fulltick
1848set all_icons(M$ui_index)   file_fulltick
1849set all_icons(D$ui_index)   file_removed
1850set all_icons(U$ui_index)   file_merge
1851set all_icons(T$ui_index)   file_statechange
1852
1853set all_icons(_$ui_workdir) file_plain
1854set all_icons(M$ui_workdir) file_mod
1855set all_icons(D$ui_workdir) file_question
1856set all_icons(U$ui_workdir) file_merge
1857set all_icons(O$ui_workdir) file_plain
1858set all_icons(T$ui_workdir) file_statechange
1859
1860set max_status_desc 0
1861foreach i {
1862                {__ {mc "Unmodified"}}
1863
1864                {_M {mc "Modified, not staged"}}
1865                {M_ {mc "Staged for commit"}}
1866                {MM {mc "Portions staged for commit"}}
1867                {MD {mc "Staged for commit, missing"}}
1868
1869                {_T {mc "File type changed, not staged"}}
1870                {T_ {mc "File type changed, staged"}}
1871
1872                {_O {mc "Untracked, not staged"}}
1873                {A_ {mc "Staged for commit"}}
1874                {AM {mc "Portions staged for commit"}}
1875                {AD {mc "Staged for commit, missing"}}
1876
1877                {_D {mc "Missing"}}
1878                {D_ {mc "Staged for removal"}}
1879                {DO {mc "Staged for removal, still present"}}
1880
1881                {_U {mc "Requires merge resolution"}}
1882                {U_ {mc "Requires merge resolution"}}
1883                {UU {mc "Requires merge resolution"}}
1884                {UM {mc "Requires merge resolution"}}
1885                {UD {mc "Requires merge resolution"}}
1886                {UT {mc "Requires merge resolution"}}
1887        } {
1888        set text [eval [lindex $i 1]]
1889        if {$max_status_desc < [string length $text]} {
1890                set max_status_desc [string length $text]
1891        }
1892        set all_descs([lindex $i 0]) $text
1893}
1894unset i
1895
1896######################################################################
1897##
1898## util
1899
1900proc scrollbar2many {list mode args} {
1901        foreach w $list {eval $w $mode $args}
1902}
1903
1904proc many2scrollbar {list mode sb top bottom} {
1905        $sb set $top $bottom
1906        foreach w $list {$w $mode moveto $top}
1907}
1908
1909proc incr_font_size {font {amt 1}} {
1910        set sz [font configure $font -size]
1911        incr sz $amt
1912        font configure $font -size $sz
1913        font configure ${font}bold -size $sz
1914        font configure ${font}italic -size $sz
1915}
1916
1917######################################################################
1918##
1919## ui commands
1920
1921set starting_gitk_msg [mc "Starting gitk... please wait..."]
1922
1923proc do_gitk {revs} {
1924        # -- Always start gitk through whatever we were loaded with.  This
1925        #    lets us bypass using shell process on Windows systems.
1926        #
1927        set exe [_which gitk -script]
1928        set cmd [list [info nameofexecutable] $exe]
1929        if {$exe eq {}} {
1930                error_popup [mc "Couldn't find gitk in PATH"]
1931        } else {
1932                global env
1933
1934                if {[info exists env(GIT_DIR)]} {
1935                        set old_GIT_DIR $env(GIT_DIR)
1936                } else {
1937                        set old_GIT_DIR {}
1938                }
1939
1940                set pwd [pwd]
1941                cd [file dirname [gitdir]]
1942                set env(GIT_DIR) [file tail [gitdir]]
1943
1944                eval exec $cmd $revs &
1945
1946                if {$old_GIT_DIR eq {}} {
1947                        unset env(GIT_DIR)
1948                } else {
1949                        set env(GIT_DIR) $old_GIT_DIR
1950                }
1951                cd $pwd
1952
1953                ui_status $::starting_gitk_msg
1954                after 10000 {
1955                        ui_ready $starting_gitk_msg
1956                }
1957        }
1958}
1959
1960proc do_explore {} {
1961        set explorer {}
1962        if {[is_Cygwin] || [is_Windows]} {
1963                set explorer "explorer.exe"
1964        } elseif {[is_MacOSX]} {
1965                set explorer "open"
1966        } else {
1967                # freedesktop.org-conforming system is our best shot
1968                set explorer "xdg-open"
1969        }
1970        eval exec $explorer [list [file nativename [file dirname [gitdir]]]] &
1971}
1972
1973set is_quitting 0
1974set ret_code    1
1975
1976proc terminate_me {win} {
1977        global ret_code
1978        if {$win ne {.}} return
1979        exit $ret_code
1980}
1981
1982proc do_quit {{rc {1}}} {
1983        global ui_comm is_quitting repo_config commit_type
1984        global GITGUI_BCK_exists GITGUI_BCK_i
1985        global ui_comm_spell
1986        global ret_code
1987
1988        if {$is_quitting} return
1989        set is_quitting 1
1990
1991        if {[winfo exists $ui_comm]} {
1992                # -- Stash our current commit buffer.
1993                #
1994                set save [gitdir GITGUI_MSG]
1995                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1996                        file rename -force [gitdir GITGUI_BCK] $save
1997                        set GITGUI_BCK_exists 0
1998                } else {
1999                        set msg [string trim [$ui_comm get 0.0 end]]
2000                        regsub -all -line {[ \r\t]+$} $msg {} msg
2001                        if {(![string match amend* $commit_type]
2002                                || [$ui_comm edit modified])
2003                                && $msg ne {}} {
2004                                catch {
2005                                        set fd [open $save w]
2006                                        puts -nonewline $fd $msg
2007                                        close $fd
2008                                }
2009                        } else {
2010                                catch {file delete $save}
2011                        }
2012                }
2013
2014                # -- Cancel our spellchecker if its running.
2015                #
2016                if {[info exists ui_comm_spell]} {
2017                        $ui_comm_spell stop
2018                }
2019
2020                # -- Remove our editor backup, its not needed.
2021                #
2022                after cancel $GITGUI_BCK_i
2023                if {$GITGUI_BCK_exists} {
2024                        catch {file delete [gitdir GITGUI_BCK]}
2025                }
2026
2027                # -- Stash our current window geometry into this repository.
2028                #
2029                set cfg_wmstate [wm state .]
2030                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2031                        set rc_wmstate {}
2032                }
2033                if {$cfg_wmstate ne $rc_wmstate} {
2034                        catch {git config gui.wmstate $cfg_wmstate}
2035                }
2036                if {$cfg_wmstate eq {zoomed}} {
2037                        # on Windows wm geometry will lie about window
2038                        # position (but not size) when window is zoomed
2039                        # restore the window before querying wm geometry
2040                        wm state . normal
2041                }
2042                set cfg_geometry [list]
2043                lappend cfg_geometry [wm geometry .]
2044                lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2045                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2046                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2047                        set rc_geometry {}
2048                }
2049                if {$cfg_geometry ne $rc_geometry} {
2050                        catch {git config gui.geometry $cfg_geometry}
2051                }
2052        }
2053
2054        set ret_code $rc
2055
2056        # Briefly enable send again, working around Tk bug
2057        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2058        tk appname [appname]
2059
2060        destroy .
2061}
2062
2063proc do_rescan {} {
2064        rescan ui_ready
2065}
2066
2067proc ui_do_rescan {} {
2068        rescan {force_first_diff ui_ready}
2069}
2070
2071proc do_commit {} {
2072        commit_tree
2073}
2074
2075proc next_diff {{after {}}} {
2076        global next_diff_p next_diff_w next_diff_i
2077        show_diff $next_diff_p $next_diff_w {} {} $after
2078}
2079
2080proc find_anchor_pos {lst name} {
2081        set lid [lsearch -sorted -exact $lst $name]
2082
2083        if {$lid == -1} {
2084                set lid 0
2085                foreach lname $lst {
2086                        if {$lname >= $name} break
2087                        incr lid
2088                }
2089        }
2090
2091        return $lid
2092}
2093
2094proc find_file_from {flist idx delta path mmask} {
2095        global file_states
2096
2097        set len [llength $flist]
2098        while {$idx >= 0 && $idx < $len} {
2099                set name [lindex $flist $idx]
2100
2101                if {$name ne $path && [info exists file_states($name)]} {
2102                        set state [lindex $file_states($name) 0]
2103
2104                        if {$mmask eq {} || [regexp $mmask $state]} {
2105                                return $idx
2106                        }
2107                }
2108
2109                incr idx $delta
2110        }
2111
2112        return {}
2113}
2114
2115proc find_next_diff {w path {lno {}} {mmask {}}} {
2116        global next_diff_p next_diff_w next_diff_i
2117        global file_lists ui_index ui_workdir
2118
2119        set flist $file_lists($w)
2120        if {$lno eq {}} {
2121                set lno [find_anchor_pos $flist $path]
2122        } else {
2123                incr lno -1
2124        }
2125
2126        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2127                if {$w eq $ui_index} {
2128                        set mmask "^$mmask"
2129                } else {
2130                        set mmask "$mmask\$"
2131                }
2132        }
2133
2134        set idx [find_file_from $flist $lno 1 $path $mmask]
2135        if {$idx eq {}} {
2136                incr lno -1
2137                set idx [find_file_from $flist $lno -1 $path $mmask]
2138        }
2139
2140        if {$idx ne {}} {
2141                set next_diff_w $w
2142                set next_diff_p [lindex $flist $idx]
2143                set next_diff_i [expr {$idx+1}]
2144                return 1
2145        } else {
2146                return 0
2147        }
2148}
2149
2150proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2151        global current_diff_path
2152
2153        if {$path ne $current_diff_path} {
2154                return {}
2155        } elseif {[find_next_diff $w $path $lno $mmask]} {
2156                return {next_diff;}
2157        } else {
2158                return {reshow_diff;}
2159        }
2160}
2161
2162proc select_first_diff {after} {
2163        global ui_workdir
2164
2165        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2166            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2167                next_diff $after
2168        } else {
2169                uplevel #0 $after
2170        }
2171}
2172
2173proc force_first_diff {after} {
2174        global ui_workdir current_diff_path file_states
2175
2176        if {[info exists file_states($current_diff_path)]} {
2177                set state [lindex $file_states($current_diff_path) 0]
2178        } else {
2179                set state {OO}
2180        }
2181
2182        set reselect 0
2183        if {[string first {U} $state] >= 0} {
2184                # Already a conflict, do nothing
2185        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2186                set reselect 1
2187        } elseif {[string index $state 1] ne {O}} {
2188                # Already a diff & no conflicts, do nothing
2189        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2190                set reselect 1
2191        }
2192
2193        if {$reselect} {
2194                next_diff $after
2195        } else {
2196                uplevel #0 $after
2197        }
2198}
2199
2200proc toggle_or_diff {w x y} {
2201        global file_states file_lists current_diff_path ui_index ui_workdir
2202        global last_clicked selected_paths
2203
2204        set pos [split [$w index @$x,$y] .]
2205        set lno [lindex $pos 0]
2206        set col [lindex $pos 1]
2207        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2208        if {$path eq {}} {
2209                set last_clicked {}
2210                return
2211        }
2212
2213        set last_clicked [list $w $lno]
2214        array unset selected_paths
2215        $ui_index tag remove in_sel 0.0 end
2216        $ui_workdir tag remove in_sel 0.0 end
2217
2218        # Determine the state of the file
2219        if {[info exists file_states($path)]} {
2220                set state [lindex $file_states($path) 0]
2221        } else {
2222                set state {__}
2223        }
2224
2225        # Restage the file, or simply show the diff
2226        if {$col == 0 && $y > 1} {
2227                # Conflicts need special handling
2228                if {[string first {U} $state] >= 0} {
2229                        # $w must always be $ui_workdir, but...
2230                        if {$w ne $ui_workdir} { set lno {} }
2231                        merge_stage_workdir $path $lno
2232                        return
2233                }
2234
2235                if {[string index $state 1] eq {O}} {
2236                        set mmask {}
2237                } else {
2238                        set mmask {[^O]}
2239                }
2240
2241                set after [next_diff_after_action $w $path $lno $mmask]
2242
2243                if {$w eq $ui_index} {
2244                        update_indexinfo \
2245                                "Unstaging [short_path $path] from commit" \
2246                                [list $path] \
2247                                [concat $after [list ui_ready]]
2248                } elseif {$w eq $ui_workdir} {
2249                        update_index \
2250                                "Adding [short_path $path]" \
2251                                [list $path] \
2252                                [concat $after [list ui_ready]]
2253                }
2254        } else {
2255                show_diff $path $w $lno
2256        }
2257}
2258
2259proc add_one_to_selection {w x y} {
2260        global file_lists last_clicked selected_paths
2261
2262        set lno [lindex [split [$w index @$x,$y] .] 0]
2263        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2264        if {$path eq {}} {
2265                set last_clicked {}
2266                return
2267        }
2268
2269        if {$last_clicked ne {}
2270                && [lindex $last_clicked 0] ne $w} {
2271                array unset selected_paths
2272                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2273        }
2274
2275        set last_clicked [list $w $lno]
2276        if {[catch {set in_sel $selected_paths($path)}]} {
2277                set in_sel 0
2278        }
2279        if {$in_sel} {
2280                unset selected_paths($path)
2281                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2282        } else {
2283                set selected_paths($path) 1
2284                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2285        }
2286}
2287
2288proc add_range_to_selection {w x y} {
2289        global file_lists last_clicked selected_paths
2290
2291        if {[lindex $last_clicked 0] ne $w} {
2292                toggle_or_diff $w $x $y
2293                return
2294        }
2295
2296        set lno [lindex [split [$w index @$x,$y] .] 0]
2297        set lc [lindex $last_clicked 1]
2298        if {$lc < $lno} {
2299                set begin $lc
2300                set end $lno
2301        } else {
2302                set begin $lno
2303                set end $lc
2304        }
2305
2306        foreach path [lrange $file_lists($w) \
2307                [expr {$begin - 1}] \
2308                [expr {$end - 1}]] {
2309                set selected_paths($path) 1
2310        }
2311        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2312}
2313
2314proc show_more_context {} {
2315        global repo_config
2316        if {$repo_config(gui.diffcontext) < 99} {
2317                incr repo_config(gui.diffcontext)
2318                reshow_diff
2319        }
2320}
2321
2322proc show_less_context {} {
2323        global repo_config
2324        if {$repo_config(gui.diffcontext) > 1} {
2325                incr repo_config(gui.diffcontext) -1
2326                reshow_diff
2327        }
2328}
2329
2330######################################################################
2331##
2332## ui construction
2333
2334load_config 0
2335apply_config
2336set ui_comm {}
2337
2338# -- Menu Bar
2339#
2340menu .mbar -tearoff 0
2341if {[is_MacOSX]} {
2342        # -- Apple Menu (Mac OS X only)
2343        #
2344        .mbar add cascade -label Apple -menu .mbar.apple
2345        menu .mbar.apple
2346}
2347.mbar add cascade -label [mc Repository] -menu .mbar.repository
2348.mbar add cascade -label [mc Edit] -menu .mbar.edit
2349if {[is_enabled branch]} {
2350        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2351}
2352if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2353        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2354}
2355if {[is_enabled transport]} {
2356        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2357        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2358}
2359if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2360        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2361}
2362
2363# -- Repository Menu
2364#
2365menu .mbar.repository
2366
2367.mbar.repository add command \
2368        -label [mc "Explore Working Copy"] \
2369        -command {do_explore}
2370.mbar.repository add separator
2371
2372.mbar.repository add command \
2373        -label [mc "Browse Current Branch's Files"] \
2374        -command {browser::new $current_branch}
2375set ui_browse_current [.mbar.repository index last]
2376.mbar.repository add command \
2377        -label [mc "Browse Branch Files..."] \
2378        -command browser_open::dialog
2379.mbar.repository add separator
2380
2381.mbar.repository add command \
2382        -label [mc "Visualize Current Branch's History"] \
2383        -command {do_gitk $current_branch}
2384set ui_visualize_current [.mbar.repository index last]
2385.mbar.repository add command \
2386        -label [mc "Visualize All Branch History"] \
2387        -command {do_gitk --all}
2388.mbar.repository add separator
2389
2390proc current_branch_write {args} {
2391        global current_branch
2392        .mbar.repository entryconf $::ui_browse_current \
2393                -label [mc "Browse %s's Files" $current_branch]
2394        .mbar.repository entryconf $::ui_visualize_current \
2395                -label [mc "Visualize %s's History" $current_branch]
2396}
2397trace add variable current_branch write current_branch_write
2398
2399if {[is_enabled multicommit]} {
2400        .mbar.repository add command -label [mc "Database Statistics"] \
2401                -command do_stats
2402
2403        .mbar.repository add command -label [mc "Compress Database"] \
2404                -command do_gc
2405
2406        .mbar.repository add command -label [mc "Verify Database"] \
2407                -command do_fsck_objects
2408
2409        .mbar.repository add separator
2410
2411        if {[is_Cygwin]} {
2412                .mbar.repository add command \
2413                        -label [mc "Create Desktop Icon"] \
2414                        -command do_cygwin_shortcut
2415        } elseif {[is_Windows]} {
2416                .mbar.repository add command \
2417                        -label [mc "Create Desktop Icon"] \
2418                        -command do_windows_shortcut
2419        } elseif {[is_MacOSX]} {
2420                .mbar.repository add command \
2421                        -label [mc "Create Desktop Icon"] \
2422                        -command do_macosx_app
2423        }
2424}
2425
2426if {[is_MacOSX]} {
2427        proc ::tk::mac::Quit {args} { do_quit }
2428} else {
2429        .mbar.repository add command -label [mc Quit] \
2430                -command do_quit \
2431                -accelerator $M1T-Q
2432}
2433
2434# -- Edit Menu
2435#
2436menu .mbar.edit
2437.mbar.edit add command -label [mc Undo] \
2438        -command {catch {[focus] edit undo}} \
2439        -accelerator $M1T-Z
2440.mbar.edit add command -label [mc Redo] \
2441        -command {catch {[focus] edit redo}} \
2442        -accelerator $M1T-Y
2443.mbar.edit add separator
2444.mbar.edit add command -label [mc Cut] \
2445        -command {catch {tk_textCut [focus]}} \
2446        -accelerator $M1T-X
2447.mbar.edit add command -label [mc Copy] \
2448        -command {catch {tk_textCopy [focus]}} \
2449        -accelerator $M1T-C
2450.mbar.edit add command -label [mc Paste] \
2451        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2452        -accelerator $M1T-V
2453.mbar.edit add command -label [mc Delete] \
2454        -command {catch {[focus] delete sel.first sel.last}} \
2455        -accelerator Del
2456.mbar.edit add separator
2457.mbar.edit add command -label [mc "Select All"] \
2458        -command {catch {[focus] tag add sel 0.0 end}} \
2459        -accelerator $M1T-A
2460
2461# -- Branch Menu
2462#
2463if {[is_enabled branch]} {
2464        menu .mbar.branch
2465
2466        .mbar.branch add command -label [mc "Create..."] \
2467                -command branch_create::dialog \
2468                -accelerator $M1T-N
2469        lappend disable_on_lock [list .mbar.branch entryconf \
2470                [.mbar.branch index last] -state]
2471
2472        .mbar.branch add command -label [mc "Checkout..."] \
2473                -command branch_checkout::dialog \
2474                -accelerator $M1T-O
2475        lappend disable_on_lock [list .mbar.branch entryconf \
2476                [.mbar.branch index last] -state]
2477
2478        .mbar.branch add command -label [mc "Rename..."] \
2479                -command branch_rename::dialog
2480        lappend disable_on_lock [list .mbar.branch entryconf \
2481                [.mbar.branch index last] -state]
2482
2483        .mbar.branch add command -label [mc "Delete..."] \
2484                -command branch_delete::dialog
2485        lappend disable_on_lock [list .mbar.branch entryconf \
2486                [.mbar.branch index last] -state]
2487
2488        .mbar.branch add command -label [mc "Reset..."] \
2489                -command merge::reset_hard
2490        lappend disable_on_lock [list .mbar.branch entryconf \
2491                [.mbar.branch index last] -state]
2492}
2493
2494# -- Commit Menu
2495#
2496proc commit_btn_caption {} {
2497        if {[is_enabled nocommit]} {
2498                return [mc "Done"]
2499        } else {
2500                return [mc Commit@@verb]
2501        }
2502}
2503
2504if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2505        menu .mbar.commit
2506
2507        if {![is_enabled nocommit]} {
2508                .mbar.commit add radiobutton \
2509                        -label [mc "New Commit"] \
2510                        -command do_select_commit_type \
2511                        -variable selected_commit_type \
2512                        -value new
2513                lappend disable_on_lock \
2514                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2515
2516                .mbar.commit add radiobutton \
2517                        -label [mc "Amend Last Commit"] \
2518                        -command do_select_commit_type \
2519                        -variable selected_commit_type \
2520                        -value amend
2521                lappend disable_on_lock \
2522                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2523
2524                .mbar.commit add separator
2525        }
2526
2527        .mbar.commit add command -label [mc Rescan] \
2528                -command ui_do_rescan \
2529                -accelerator F5
2530        lappend disable_on_lock \
2531                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2532
2533        .mbar.commit add command -label [mc "Stage To Commit"] \
2534                -command do_add_selection \
2535                -accelerator $M1T-T
2536        lappend disable_on_lock \
2537                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2538
2539        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2540                -command do_add_all \
2541                -accelerator $M1T-I
2542        lappend disable_on_lock \
2543                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2544
2545        .mbar.commit add command -label [mc "Unstage From Commit"] \
2546                -command do_unstage_selection
2547        lappend disable_on_lock \
2548                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2549
2550        .mbar.commit add command -label [mc "Revert Changes"] \
2551                -command do_revert_selection
2552        lappend disable_on_lock \
2553                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2554
2555        .mbar.commit add separator
2556
2557        .mbar.commit add command -label [mc "Show Less Context"] \
2558                -command show_less_context \
2559                -accelerator $M1T-\-
2560
2561        .mbar.commit add command -label [mc "Show More Context"] \
2562                -command show_more_context \
2563                -accelerator $M1T-=
2564
2565        .mbar.commit add separator
2566
2567        if {![is_enabled nocommitmsg]} {
2568                .mbar.commit add command -label [mc "Sign Off"] \
2569                        -command do_signoff \
2570                        -accelerator $M1T-S
2571        }
2572
2573        .mbar.commit add command -label [commit_btn_caption] \
2574                -command do_commit \
2575                -accelerator $M1T-Return
2576        lappend disable_on_lock \
2577                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2578}
2579
2580# -- Merge Menu
2581#
2582if {[is_enabled branch]} {
2583        menu .mbar.merge
2584        .mbar.merge add command -label [mc "Local Merge..."] \
2585                -command merge::dialog \
2586                -accelerator $M1T-M
2587        lappend disable_on_lock \
2588                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2589        .mbar.merge add command -label [mc "Abort Merge..."] \
2590                -command merge::reset_hard
2591        lappend disable_on_lock \
2592                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2593}
2594
2595# -- Transport Menu
2596#
2597if {[is_enabled transport]} {
2598        menu .mbar.remote
2599
2600        .mbar.remote add command \
2601                -label [mc "Add..."] \
2602                -command remote_add::dialog \
2603                -accelerator $M1T-A
2604        .mbar.remote add command \
2605                -label [mc "Push..."] \
2606                -command do_push_anywhere \
2607                -accelerator $M1T-P
2608        .mbar.remote add command \
2609                -label [mc "Delete Branch..."] \
2610                -command remote_branch_delete::dialog
2611}
2612
2613if {[is_MacOSX]} {
2614        proc ::tk::mac::ShowPreferences {} {do_options}
2615} else {
2616        # -- Edit Menu
2617        #
2618        .mbar.edit add separator
2619        .mbar.edit add command -label [mc "Options..."] \
2620                -command do_options
2621}
2622
2623# -- Tools Menu
2624#
2625if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2626        set tools_menubar .mbar.tools
2627        menu $tools_menubar
2628        $tools_menubar add separator
2629        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2630        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2631        set tools_tailcnt 3
2632        if {[array names repo_config guitool.*.cmd] ne {}} {
2633                tools_populate_all
2634        }
2635}
2636
2637# -- Help Menu
2638#
2639.mbar add cascade -label [mc Help] -menu .mbar.help
2640menu .mbar.help
2641
2642if {[is_MacOSX]} {
2643        .mbar.apple add command -label [mc "About %s" [appname]] \
2644                -command do_about
2645        .mbar.apple add separator
2646} else {
2647        .mbar.help add command -label [mc "About %s" [appname]] \
2648                -command do_about
2649}
2650. configure -menu .mbar
2651
2652set doc_path [githtmldir]
2653if {$doc_path ne {}} {
2654        set doc_path [file join $doc_path index.html]
2655
2656        if {[is_Cygwin]} {
2657                set doc_path [exec cygpath --mixed $doc_path]
2658        }
2659}
2660
2661if {[file isfile $doc_path]} {
2662        set doc_url "file:$doc_path"
2663} else {
2664        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2665}
2666
2667proc start_browser {url} {
2668        git "web--browse" $url
2669}
2670
2671.mbar.help add command -label [mc "Online Documentation"] \
2672        -command [list start_browser $doc_url]
2673
2674.mbar.help add command -label [mc "Show SSH Key"] \
2675        -command do_ssh_key
2676
2677unset doc_path doc_url
2678
2679# -- Standard bindings
2680#
2681wm protocol . WM_DELETE_WINDOW do_quit
2682bind all <$M1B-Key-q> do_quit
2683bind all <$M1B-Key-Q> do_quit
2684bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2685bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2686
2687set subcommand_args {}
2688proc usage {} {
2689        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2690        exit 1
2691}
2692
2693proc normalize_relpath {path} {
2694        set elements {}
2695        foreach item [file split $path] {
2696                if {$item eq {.}} continue
2697                if {$item eq {..} && [llength $elements] > 0
2698                    && [lindex $elements end] ne {..}} {
2699                        set elements [lrange $elements 0 end-1]
2700                        continue
2701                }
2702                lappend elements $item
2703        }
2704        return [eval file join $elements]
2705}
2706
2707# -- Not a normal commit type invocation?  Do that instead!
2708#
2709switch -- $subcommand {
2710browser -
2711blame {
2712        if {$subcommand eq "blame"} {
2713                set subcommand_args {[--line=<num>] rev? path}
2714        } else {
2715                set subcommand_args {rev? path}
2716        }
2717        if {$argv eq {}} usage
2718        set head {}
2719        set path {}
2720        set jump_spec {}
2721        set is_path 0
2722        foreach a $argv {
2723                if {$is_path || [file exists $_prefix$a]} {
2724                        if {$path ne {}} usage
2725                        set path [normalize_relpath $_prefix$a]
2726                        break
2727                } elseif {$a eq {--}} {
2728                        if {$path ne {}} {
2729                                if {$head ne {}} usage
2730                                set head $path
2731                                set path {}
2732                        }
2733                        set is_path 1
2734                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2735                        if {$jump_spec ne {} || $head ne {}} usage
2736                        set jump_spec [list $lnum]
2737                } elseif {$head eq {}} {
2738                        if {$head ne {}} usage
2739                        set head $a
2740                        set is_path 1
2741                } else {
2742                        usage
2743                }
2744        }
2745        unset is_path
2746
2747        if {$head ne {} && $path eq {}} {
2748                set path [normalize_relpath $_prefix$head]
2749                set head {}
2750        }
2751
2752        if {$head eq {}} {
2753                load_current_branch
2754        } else {
2755                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2756                        if {[catch {
2757                                        set head [git rev-parse --verify $head]
2758                                } err]} {
2759                                puts stderr $err
2760                                exit 1
2761                        }
2762                }
2763                set current_branch $head
2764        }
2765
2766        switch -- $subcommand {
2767        browser {
2768                if {$jump_spec ne {}} usage
2769                if {$head eq {}} {
2770                        if {$path ne {} && [file isdirectory $path]} {
2771                                set head $current_branch
2772                        } else {
2773                                set head $path
2774                                set path {}
2775                        }
2776                }
2777                browser::new $head $path
2778        }
2779        blame   {
2780                if {$head eq {} && ![file exists $path]} {
2781                        puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2782                        exit 1
2783                }
2784                blame::new $head $path $jump_spec
2785        }
2786        }
2787        return
2788}
2789citool -
2790gui {
2791        if {[llength $argv] != 0} {
2792                puts -nonewline stderr "usage: $argv0"
2793                if {$subcommand ne {gui}
2794                        && [file tail $argv0] ne "git-$subcommand"} {
2795                        puts -nonewline stderr " $subcommand"
2796                }
2797                puts stderr {}
2798                exit 1
2799        }
2800        # fall through to setup UI for commits
2801}
2802default {
2803        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2804        exit 1
2805}
2806}
2807
2808# -- Branch Control
2809#
2810frame .branch \
2811        -borderwidth 1 \
2812        -relief sunken
2813label .branch.l1 \
2814        -text [mc "Current Branch:"] \
2815        -anchor w \
2816        -justify left
2817label .branch.cb \
2818        -textvariable current_branch \
2819        -anchor w \
2820        -justify left
2821pack .branch.l1 -side left
2822pack .branch.cb -side left -fill x
2823pack .branch -side top -fill x
2824
2825# -- Main Window Layout
2826#
2827panedwindow .vpane -orient horizontal
2828panedwindow .vpane.files -orient vertical
2829.vpane add .vpane.files -sticky nsew -height 100 -width 200
2830pack .vpane -anchor n -side top -fill both -expand 1
2831
2832# -- Index File List
2833#
2834frame .vpane.files.index -height 100 -width 200
2835label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2836        -background lightgreen -foreground black
2837text $ui_index -background white -foreground black \
2838        -borderwidth 0 \
2839        -width 20 -height 10 \
2840        -wrap none \
2841        -cursor $cursor_ptr \
2842        -xscrollcommand {.vpane.files.index.sx set} \
2843        -yscrollcommand {.vpane.files.index.sy set} \
2844        -state disabled
2845scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2846scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2847pack .vpane.files.index.title -side top -fill x
2848pack .vpane.files.index.sx -side bottom -fill x
2849pack .vpane.files.index.sy -side right -fill y
2850pack $ui_index -side left -fill both -expand 1
2851
2852# -- Working Directory File List
2853#
2854frame .vpane.files.workdir -height 100 -width 200
2855label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2856        -background lightsalmon -foreground black
2857text $ui_workdir -background white -foreground black \
2858        -borderwidth 0 \
2859        -width 20 -height 10 \
2860        -wrap none \
2861        -cursor $cursor_ptr \
2862        -xscrollcommand {.vpane.files.workdir.sx set} \
2863        -yscrollcommand {.vpane.files.workdir.sy set} \
2864        -state disabled
2865scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2866scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2867pack .vpane.files.workdir.title -side top -fill x
2868pack .vpane.files.workdir.sx -side bottom -fill x
2869pack .vpane.files.workdir.sy -side right -fill y
2870pack $ui_workdir -side left -fill both -expand 1
2871
2872.vpane.files add .vpane.files.workdir -sticky nsew
2873.vpane.files add .vpane.files.index -sticky nsew
2874
2875foreach i [list $ui_index $ui_workdir] {
2876        rmsel_tag $i
2877        $i tag conf in_diff -background [$i tag cget in_sel -background]
2878}
2879unset i
2880
2881# -- Diff and Commit Area
2882#
2883frame .vpane.lower -height 300 -width 400
2884frame .vpane.lower.commarea
2885frame .vpane.lower.diff -relief sunken -borderwidth 1
2886pack .vpane.lower.diff -fill both -expand 1
2887pack .vpane.lower.commarea -side bottom -fill x
2888.vpane add .vpane.lower -sticky nsew
2889
2890# -- Commit Area Buttons
2891#
2892frame .vpane.lower.commarea.buttons
2893label .vpane.lower.commarea.buttons.l -text {} \
2894        -anchor w \
2895        -justify left
2896pack .vpane.lower.commarea.buttons.l -side top -fill x
2897pack .vpane.lower.commarea.buttons -side left -fill y
2898
2899button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2900        -command ui_do_rescan
2901pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2902lappend disable_on_lock \
2903        {.vpane.lower.commarea.buttons.rescan conf -state}
2904
2905button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2906        -command do_add_all
2907pack .vpane.lower.commarea.buttons.incall -side top -fill x
2908lappend disable_on_lock \
2909        {.vpane.lower.commarea.buttons.incall conf -state}
2910
2911if {![is_enabled nocommitmsg]} {
2912        button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2913                -command do_signoff
2914        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2915}
2916
2917button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2918        -command do_commit
2919pack .vpane.lower.commarea.buttons.commit -side top -fill x
2920lappend disable_on_lock \
2921        {.vpane.lower.commarea.buttons.commit conf -state}
2922
2923if {![is_enabled nocommit]} {
2924        button .vpane.lower.commarea.buttons.push -text [mc Push] \
2925                -command do_push_anywhere
2926        pack .vpane.lower.commarea.buttons.push -side top -fill x
2927}
2928
2929# -- Commit Message Buffer
2930#
2931frame .vpane.lower.commarea.buffer
2932frame .vpane.lower.commarea.buffer.header
2933set ui_comm .vpane.lower.commarea.buffer.t
2934set ui_coml .vpane.lower.commarea.buffer.header.l
2935
2936if {![is_enabled nocommit]} {
2937        radiobutton .vpane.lower.commarea.buffer.header.new \
2938                -text [mc "New Commit"] \
2939                -command do_select_commit_type \
2940                -variable selected_commit_type \
2941                -value new
2942        lappend disable_on_lock \
2943                [list .vpane.lower.commarea.buffer.header.new conf -state]
2944        radiobutton .vpane.lower.commarea.buffer.header.amend \
2945                -text [mc "Amend Last Commit"] \
2946                -command do_select_commit_type \
2947                -variable selected_commit_type \
2948                -value amend
2949        lappend disable_on_lock \
2950                [list .vpane.lower.commarea.buffer.header.amend conf -state]
2951}
2952
2953label $ui_coml \
2954        -anchor w \
2955        -justify left
2956proc trace_commit_type {varname args} {
2957        global ui_coml commit_type
2958        switch -glob -- $commit_type {
2959        initial       {set txt [mc "Initial Commit Message:"]}
2960        amend         {set txt [mc "Amended Commit Message:"]}
2961        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2962        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2963        merge         {set txt [mc "Merge Commit Message:"]}
2964        *             {set txt [mc "Commit Message:"]}
2965        }
2966        $ui_coml conf -text $txt
2967}
2968trace add variable commit_type write trace_commit_type
2969pack $ui_coml -side left -fill x
2970
2971if {![is_enabled nocommit]} {
2972        pack .vpane.lower.commarea.buffer.header.amend -side right
2973        pack .vpane.lower.commarea.buffer.header.new -side right
2974}
2975
2976text $ui_comm -background white -foreground black \
2977        -borderwidth 1 \
2978        -undo true \
2979        -maxundo 20 \
2980        -autoseparators true \
2981        -relief sunken \
2982        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2983        -font font_diff \
2984        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2985scrollbar .vpane.lower.commarea.buffer.sby \
2986        -command [list $ui_comm yview]
2987pack .vpane.lower.commarea.buffer.header -side top -fill x
2988pack .vpane.lower.commarea.buffer.sby -side right -fill y
2989pack $ui_comm -side left -fill y
2990pack .vpane.lower.commarea.buffer -side left -fill y
2991
2992# -- Commit Message Buffer Context Menu
2993#
2994set ctxm .vpane.lower.commarea.buffer.ctxm
2995menu $ctxm -tearoff 0
2996$ctxm add command \
2997        -label [mc Cut] \
2998        -command {tk_textCut $ui_comm}
2999$ctxm add command \
3000        -label [mc Copy] \
3001        -command {tk_textCopy $ui_comm}
3002$ctxm add command \
3003        -label [mc Paste] \
3004        -command {tk_textPaste $ui_comm}
3005$ctxm add command \
3006        -label [mc Delete] \
3007        -command {catch {$ui_comm delete sel.first sel.last}}
3008$ctxm add separator
3009$ctxm add command \
3010        -label [mc "Select All"] \
3011        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3012$ctxm add command \
3013        -label [mc "Copy All"] \
3014        -command {
3015                $ui_comm tag add sel 0.0 end
3016                tk_textCopy $ui_comm
3017                $ui_comm tag remove sel 0.0 end
3018        }
3019$ctxm add separator
3020$ctxm add command \
3021        -label [mc "Sign Off"] \
3022        -command do_signoff
3023set ui_comm_ctxm $ctxm
3024
3025# -- Diff Header
3026#
3027proc trace_current_diff_path {varname args} {
3028        global current_diff_path diff_actions file_states
3029        if {$current_diff_path eq {}} {
3030                set s {}
3031                set f {}
3032                set p {}
3033                set o disabled
3034        } else {
3035                set p $current_diff_path
3036                set s [mapdesc [lindex $file_states($p) 0] $p]
3037                set f [mc "File:"]
3038                set p [escape_path $p]
3039                set o normal
3040        }
3041
3042        .vpane.lower.diff.header.status configure -text $s
3043        .vpane.lower.diff.header.file configure -text $f
3044        .vpane.lower.diff.header.path configure -text $p
3045        foreach w $diff_actions {
3046                uplevel #0 $w $o
3047        }
3048}
3049trace add variable current_diff_path write trace_current_diff_path
3050
3051frame .vpane.lower.diff.header -background gold
3052label .vpane.lower.diff.header.status \
3053        -background gold \
3054        -foreground black \
3055        -width $max_status_desc \
3056        -anchor w \
3057        -justify left
3058label .vpane.lower.diff.header.file \
3059        -background gold \
3060        -foreground black \
3061        -anchor w \
3062        -justify left
3063label .vpane.lower.diff.header.path \
3064        -background gold \
3065        -foreground black \
3066        -anchor w \
3067        -justify left
3068pack .vpane.lower.diff.header.status -side left
3069pack .vpane.lower.diff.header.file -side left
3070pack .vpane.lower.diff.header.path -fill x
3071set ctxm .vpane.lower.diff.header.ctxm
3072menu $ctxm -tearoff 0
3073$ctxm add command \
3074        -label [mc Copy] \
3075        -command {
3076                clipboard clear
3077                clipboard append \
3078                        -format STRING \
3079                        -type STRING \
3080                        -- $current_diff_path
3081        }
3082lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3083bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3084
3085# -- Diff Body
3086#
3087frame .vpane.lower.diff.body
3088set ui_diff .vpane.lower.diff.body.t
3089text $ui_diff -background white -foreground black \
3090        -borderwidth 0 \
3091        -width 80 -height 5 -wrap none \
3092        -font font_diff \
3093        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3094        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3095        -state disabled
3096scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3097        -command [list $ui_diff xview]
3098scrollbar .vpane.lower.diff.body.sby -orient vertical \
3099        -command [list $ui_diff yview]
3100pack .vpane.lower.diff.body.sbx -side bottom -fill x
3101pack .vpane.lower.diff.body.sby -side right -fill y
3102pack $ui_diff -side left -fill both -expand 1
3103pack .vpane.lower.diff.header -side top -fill x
3104pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3105
3106$ui_diff tag conf d_cr -elide true
3107$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3108$ui_diff tag conf d_+ -foreground {#00a000}
3109$ui_diff tag conf d_- -foreground red
3110
3111$ui_diff tag conf d_++ -foreground {#00a000}
3112$ui_diff tag conf d_-- -foreground red
3113$ui_diff tag conf d_+s \
3114        -foreground {#00a000} \
3115        -background {#e2effa}
3116$ui_diff tag conf d_-s \
3117        -foreground red \
3118        -background {#e2effa}
3119$ui_diff tag conf d_s+ \
3120        -foreground {#00a000} \
3121        -background ivory1
3122$ui_diff tag conf d_s- \
3123        -foreground red \
3124        -background ivory1
3125
3126$ui_diff tag conf d<<<<<<< \
3127        -foreground orange \
3128        -font font_diffbold
3129$ui_diff tag conf d======= \
3130        -foreground orange \
3131        -font font_diffbold
3132$ui_diff tag conf d>>>>>>> \
3133        -foreground orange \
3134        -font font_diffbold
3135
3136$ui_diff tag raise sel
3137
3138# -- Diff Body Context Menu
3139#
3140
3141proc create_common_diff_popup {ctxm} {
3142        $ctxm add command \
3143                -label [mc "Show Less Context"] \
3144                -command show_less_context
3145        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3146        $ctxm add command \
3147                -label [mc "Show More Context"] \
3148                -command show_more_context
3149        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3150        $ctxm add separator
3151        $ctxm add command \
3152                -label [mc Refresh] \
3153                -command reshow_diff
3154        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3155        $ctxm add command \
3156                -label [mc Copy] \
3157                -command {tk_textCopy $ui_diff}
3158        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3159        $ctxm add command \
3160                -label [mc "Select All"] \
3161                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3162        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3163        $ctxm add command \
3164                -label [mc "Copy All"] \
3165                -command {
3166                        $ui_diff tag add sel 0.0 end
3167                        tk_textCopy $ui_diff
3168                        $ui_diff tag remove sel 0.0 end
3169                }
3170        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3171        $ctxm add separator
3172        $ctxm add command \
3173                -label [mc "Decrease Font Size"] \
3174                -command {incr_font_size font_diff -1}
3175        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3176        $ctxm add command \
3177                -label [mc "Increase Font Size"] \
3178                -command {incr_font_size font_diff 1}
3179        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3180        $ctxm add separator
3181        set emenu $ctxm.enc
3182        menu $emenu
3183        build_encoding_menu $emenu [list force_diff_encoding]
3184        $ctxm add cascade \
3185                -label [mc "Encoding"] \
3186                -menu $emenu
3187        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3188        $ctxm add separator
3189        $ctxm add command -label [mc "Options..."] \
3190                -command do_options
3191}
3192
3193set ctxm .vpane.lower.diff.body.ctxm
3194menu $ctxm -tearoff 0
3195$ctxm add command \
3196        -label [mc "Apply/Reverse Hunk"] \
3197        -command {apply_hunk $cursorX $cursorY}
3198set ui_diff_applyhunk [$ctxm index last]
3199lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3200$ctxm add command \
3201        -label [mc "Apply/Reverse Line"] \
3202        -command {apply_line $cursorX $cursorY; do_rescan}
3203set ui_diff_applyline [$ctxm index last]
3204lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3205$ctxm add separator
3206create_common_diff_popup $ctxm
3207
3208set ctxmmg .vpane.lower.diff.body.ctxmmg
3209menu $ctxmmg -tearoff 0
3210$ctxmmg add command \
3211        -label [mc "Run Merge Tool"] \
3212        -command {merge_resolve_tool}
3213lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3214$ctxmmg add separator
3215$ctxmmg add command \
3216        -label [mc "Use Remote Version"] \
3217        -command {merge_resolve_one 3}
3218lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3219$ctxmmg add command \
3220        -label [mc "Use Local Version"] \
3221        -command {merge_resolve_one 2}
3222lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3223$ctxmmg add command \
3224        -label [mc "Revert To Base"] \
3225        -command {merge_resolve_one 1}
3226lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3227$ctxmmg add separator
3228create_common_diff_popup $ctxmmg
3229
3230proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3231        global current_diff_path file_states
3232        set ::cursorX $x
3233        set ::cursorY $y
3234        if {[info exists file_states($current_diff_path)]} {
3235                set state [lindex $file_states($current_diff_path) 0]
3236        } else {
3237                set state {__}
3238        }
3239        if {[string first {U} $state] >= 0} {
3240                tk_popup $ctxmmg $X $Y
3241        } else {
3242                if {$::ui_index eq $::current_diff_side} {
3243                        set l [mc "Unstage Hunk From Commit"]
3244                        set t [mc "Unstage Line From Commit"]
3245                } else {
3246                        set l [mc "Stage Hunk For Commit"]
3247                        set t [mc "Stage Line For Commit"]
3248                }
3249                if {$::is_3way_diff || $::is_submodule_diff
3250                        || $current_diff_path eq {}
3251                        || {__} eq $state
3252                        || {_O} eq $state
3253                        || {_T} eq $state
3254                        || {T_} eq $state} {
3255                        set s disabled
3256                } else {
3257                        set s normal
3258                }
3259                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3260                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3261                tk_popup $ctxm $X $Y
3262        }
3263}
3264bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3265
3266# -- Status Bar
3267#
3268set main_status [::status_bar::new .status]
3269pack .status -anchor w -side bottom -fill x
3270$main_status show [mc "Initializing..."]
3271
3272# -- Load geometry
3273#
3274catch {
3275set gm $repo_config(gui.geometry)
3276wm geometry . [lindex $gm 0]
3277.vpane sash place 0 \
3278        [lindex $gm 1] \
3279        [lindex [.vpane sash coord 0] 1]
3280.vpane.files sash place 0 \
3281        [lindex [.vpane.files sash coord 0] 0] \
3282        [lindex $gm 2]
3283unset gm
3284}
3285
3286# -- Load window state
3287#
3288catch {
3289set gws $repo_config(gui.wmstate)
3290wm state . $gws
3291unset gws
3292}
3293
3294# -- Key Bindings
3295#
3296bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3297bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3298bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3299bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3300bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3301bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3302bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3303bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3304bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3305bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3306bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3307bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3308bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3309bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3310bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3311bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3312bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3313bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3314
3315bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3316bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3317bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3318bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3319bind $ui_diff <$M1B-Key-v> {break}
3320bind $ui_diff <$M1B-Key-V> {break}
3321bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3322bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3323bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3324bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3325bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3326bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3327bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3328bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3329bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3330bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3331bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3332bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3333bind $ui_diff <Button-1>   {focus %W}
3334
3335if {[is_enabled branch]} {
3336        bind . <$M1B-Key-n> branch_create::dialog
3337        bind . <$M1B-Key-N> branch_create::dialog
3338        bind . <$M1B-Key-o> branch_checkout::dialog
3339        bind . <$M1B-Key-O> branch_checkout::dialog
3340        bind . <$M1B-Key-m> merge::dialog
3341        bind . <$M1B-Key-M> merge::dialog
3342}
3343if {[is_enabled transport]} {
3344        bind . <$M1B-Key-p> do_push_anywhere
3345        bind . <$M1B-Key-P> do_push_anywhere
3346}
3347
3348bind .   <Key-F5>     ui_do_rescan
3349bind .   <$M1B-Key-r> ui_do_rescan
3350bind .   <$M1B-Key-R> ui_do_rescan
3351bind .   <$M1B-Key-s> do_signoff
3352bind .   <$M1B-Key-S> do_signoff
3353bind .   <$M1B-Key-t> do_add_selection
3354bind .   <$M1B-Key-T> do_add_selection
3355bind .   <$M1B-Key-i> do_add_all
3356bind .   <$M1B-Key-I> do_add_all
3357bind .   <$M1B-Key-minus> {show_less_context;break}
3358bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3359bind .   <$M1B-Key-equal> {show_more_context;break}
3360bind .   <$M1B-Key-plus> {show_more_context;break}
3361bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3362bind .   <$M1B-Key-Return> do_commit
3363foreach i [list $ui_index $ui_workdir] {
3364        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3365        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3366        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3367}
3368unset i
3369
3370set file_lists($ui_index) [list]
3371set file_lists($ui_workdir) [list]
3372
3373wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3374focus -force $ui_comm
3375
3376# -- Warn the user about environmental problems.  Cygwin's Tcl
3377#    does *not* pass its env array onto any processes it spawns.
3378#    This means that git processes get none of our environment.
3379#
3380if {[is_Cygwin]} {
3381        set ignored_env 0
3382        set suggest_user {}
3383        set msg [mc "Possible environment issues exist.
3384
3385The following environment variables are probably
3386going to be ignored by any Git subprocess run
3387by %s:
3388
3389" [appname]]
3390        foreach name [array names env] {
3391                switch -regexp -- $name {
3392                {^GIT_INDEX_FILE$} -
3393                {^GIT_OBJECT_DIRECTORY$} -
3394                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3395                {^GIT_DIFF_OPTS$} -
3396                {^GIT_EXTERNAL_DIFF$} -
3397                {^GIT_PAGER$} -
3398                {^GIT_TRACE$} -
3399                {^GIT_CONFIG$} -
3400                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3401                        append msg " - $name\n"
3402                        incr ignored_env
3403                }
3404                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3405                        append msg " - $name\n"
3406                        incr ignored_env
3407                        set suggest_user $name
3408                }
3409                }
3410        }
3411        if {$ignored_env > 0} {
3412                append msg [mc "
3413This is due to a known issue with the
3414Tcl binary distributed by Cygwin."]
3415
3416                if {$suggest_user ne {}} {
3417                        append msg [mc "
3418
3419A good replacement for %s
3420is placing values for the user.name and
3421user.email settings into your personal
3422~/.gitconfig file.
3423" $suggest_user]
3424                }
3425                warn_popup $msg
3426        }
3427        unset ignored_env msg suggest_user name
3428}
3429
3430# -- Only initialize complex UI if we are going to stay running.
3431#
3432if {[is_enabled transport]} {
3433        load_all_remotes
3434
3435        set n [.mbar.remote index end]
3436        populate_remotes_menu
3437        set n [expr {[.mbar.remote index end] - $n}]
3438        if {$n > 0} {
3439                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3440                .mbar.remote insert $n separator
3441        }
3442        unset n
3443}
3444
3445if {[winfo exists $ui_comm]} {
3446        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3447
3448        # -- If both our backup and message files exist use the
3449        #    newer of the two files to initialize the buffer.
3450        #
3451        if {$GITGUI_BCK_exists} {
3452                set m [gitdir GITGUI_MSG]
3453                if {[file isfile $m]} {
3454                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3455                                catch {file delete [gitdir GITGUI_MSG]}
3456                        } else {
3457                                $ui_comm delete 0.0 end
3458                                $ui_comm edit reset
3459                                $ui_comm edit modified false
3460                                catch {file delete [gitdir GITGUI_BCK]}
3461                                set GITGUI_BCK_exists 0
3462                        }
3463                }
3464                unset m
3465        }
3466
3467        proc backup_commit_buffer {} {
3468                global ui_comm GITGUI_BCK_exists
3469
3470                set m [$ui_comm edit modified]
3471                if {$m || $GITGUI_BCK_exists} {
3472                        set msg [string trim [$ui_comm get 0.0 end]]
3473                        regsub -all -line {[ \r\t]+$} $msg {} msg
3474
3475                        if {$msg eq {}} {
3476                                if {$GITGUI_BCK_exists} {
3477                                        catch {file delete [gitdir GITGUI_BCK]}
3478                                        set GITGUI_BCK_exists 0
3479                                }
3480                        } elseif {$m} {
3481                                catch {
3482                                        set fd [open [gitdir GITGUI_BCK] w]
3483                                        puts -nonewline $fd $msg
3484                                        close $fd
3485                                        set GITGUI_BCK_exists 1
3486                                }
3487                        }
3488
3489                        $ui_comm edit modified false
3490                }
3491
3492                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3493        }
3494
3495        backup_commit_buffer
3496
3497        # -- If the user has aspell available we can drive it
3498        #    in pipe mode to spellcheck the commit message.
3499        #
3500        set spell_cmd [list |]
3501        set spell_dict [get_config gui.spellingdictionary]
3502        lappend spell_cmd aspell
3503        if {$spell_dict ne {}} {
3504                lappend spell_cmd --master=$spell_dict
3505        }
3506        lappend spell_cmd --mode=none
3507        lappend spell_cmd --encoding=utf-8
3508        lappend spell_cmd pipe
3509        if {$spell_dict eq {none}
3510         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3511                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3512        } else {
3513                set ui_comm_spell [spellcheck::init \
3514                        $spell_fd \
3515                        $ui_comm \
3516                        $ui_comm_ctxm \
3517                ]
3518        }
3519        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3520}
3521
3522lock_index begin-read
3523if {![winfo ismapped .]} {
3524        wm deiconify .
3525}
3526after 1 {
3527        if {[is_enabled initialamend]} {
3528                force_amend
3529        } else {
3530                do_rescan
3531        }
3532
3533        if {[is_enabled nocommitmsg]} {
3534                $ui_comm configure -state disabled -background gray
3535        }
3536}
3537if {[is_enabled multicommit]} {
3538        after 1000 hint_gc
3539}
3540if {[is_enabled retcode]} {
3541        bind . <Destroy> {+terminate_me %W}
3542}
3543if {$picked && [is_config_true gui.autoexplore]} {
3544        do_explore
3545}