Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52if { [info exists ::env(GIT_GUI_LIB_DIR) ] } {
  53        set oguilib $::env(GIT_GUI_LIB_DIR)
  54} else {
  55        set oguilib {@@GITGUI_LIBDIR@@}
  56}
  57set oguirel {@@GITGUI_RELATIVE@@}
  58if {$oguirel eq {1}} {
  59        set oguilib [file dirname [file normalize $argv0]]
  60        if {[file tail $oguilib] eq {git-core}} {
  61                set oguilib [file dirname $oguilib]
  62        }
  63        set oguilib [file dirname $oguilib]
  64        set oguilib [file join $oguilib share git-gui lib]
  65        set oguimsg [file join $oguilib msgs]
  66} elseif {[string match @@* $oguirel]} {
  67        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  68        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  69} else {
  70        set oguimsg [file join $oguilib msgs]
  71}
  72unset oguirel
  73
  74######################################################################
  75##
  76## enable verbose loading?
  77
  78if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  79        unset _verbose
  80        rename auto_load real__auto_load
  81        proc auto_load {name args} {
  82                puts stderr "auto_load $name"
  83                return [uplevel 1 real__auto_load $name $args]
  84        }
  85        rename source real__source
  86        proc source {args} {
  87                puts stderr "source    $args"
  88                uplevel 1 [linsert $args 0 real__source]
  89        }
  90        if {[tk windowingsystem] eq "win32"} { console show }
  91}
  92
  93######################################################################
  94##
  95## Internationalization (i18n) through msgcat and gettext. See
  96## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  97
  98package require msgcat
  99
 100# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
 101if {[tk windowingsystem] eq "win32"
 102        && [package vcompare [package provide msgcat] 1.4.4] < 0
 103} then {
 104        proc _mc_update_locale {} {
 105                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 106                if {![catch {
 107                        package require registry
 108                        set uilocale [registry get $key "PreferredUILanguages"]
 109                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 110                } uilocale]} {
 111                        if {[string length $uilocale] > 0} {
 112                                msgcat::mclocale $uilocale
 113                        }
 114                }
 115        }
 116        _mc_update_locale
 117}
 118
 119proc _mc_trim {fmt} {
 120        set cmk [string first @@ $fmt]
 121        if {$cmk > 0} {
 122                return [string range $fmt 0 [expr {$cmk - 1}]]
 123        }
 124        return $fmt
 125}
 126
 127proc mc {en_fmt args} {
 128        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 129        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 130                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 131        }
 132        return $msg
 133}
 134
 135proc strcat {args} {
 136        return [join $args {}]
 137}
 138
 139::msgcat::mcload $oguimsg
 140unset oguimsg
 141
 142######################################################################
 143##
 144## On Mac, bring the current Wish process window to front
 145
 146if {[tk windowingsystem] eq "aqua"} {
 147        catch {
 148                exec osascript -e [format {
 149                        tell application "System Events"
 150                                set frontmost of processes whose unix id is %d to true
 151                        end tell
 152                } [pid]]
 153        }
 154}
 155
 156######################################################################
 157##
 158## read only globals
 159
 160set _appname {Git Gui}
 161set _gitdir {}
 162set _gitworktree {}
 163set _isbare {}
 164set _gitexec {}
 165set _githtmldir {}
 166set _reponame {}
 167set _iscygwin {}
 168set _search_path {}
 169set _shellpath {@@SHELL_PATH@@}
 170
 171set _trace [lsearch -exact $argv --trace]
 172if {$_trace >= 0} {
 173        set argv [lreplace $argv $_trace $_trace]
 174        set _trace 1
 175        if {[tk windowingsystem] eq "win32"} { console show }
 176} else {
 177        set _trace 0
 178}
 179
 180# variable for the last merged branch (useful for a default when deleting
 181# branches).
 182set _last_merged_branch {}
 183
 184proc shellpath {} {
 185        global _shellpath env
 186        if {[string match @@* $_shellpath]} {
 187                if {[info exists env(SHELL)]} {
 188                        return $env(SHELL)
 189                } else {
 190                        return /bin/sh
 191                }
 192        }
 193        return $_shellpath
 194}
 195
 196proc appname {} {
 197        global _appname
 198        return $_appname
 199}
 200
 201proc gitdir {args} {
 202        global _gitdir
 203        if {$args eq {}} {
 204                return $_gitdir
 205        }
 206        return [eval [list file join $_gitdir] $args]
 207}
 208
 209proc gitexec {args} {
 210        global _gitexec
 211        if {$_gitexec eq {}} {
 212                if {[catch {set _gitexec [git --exec-path]} err]} {
 213                        error "Git not installed?\n\n$err"
 214                }
 215                if {[is_Cygwin]} {
 216                        set _gitexec [exec cygpath \
 217                                --windows \
 218                                --absolute \
 219                                $_gitexec]
 220                } else {
 221                        set _gitexec [file normalize $_gitexec]
 222                }
 223        }
 224        if {$args eq {}} {
 225                return $_gitexec
 226        }
 227        return [eval [list file join $_gitexec] $args]
 228}
 229
 230proc githtmldir {args} {
 231        global _githtmldir
 232        if {$_githtmldir eq {}} {
 233                if {[catch {set _githtmldir [git --html-path]}]} {
 234                        # Git not installed or option not yet supported
 235                        return {}
 236                }
 237                if {[is_Cygwin]} {
 238                        set _githtmldir [exec cygpath \
 239                                --windows \
 240                                --absolute \
 241                                $_githtmldir]
 242                } else {
 243                        set _githtmldir [file normalize $_githtmldir]
 244                }
 245        }
 246        if {$args eq {}} {
 247                return $_githtmldir
 248        }
 249        return [eval [list file join $_githtmldir] $args]
 250}
 251
 252proc reponame {} {
 253        return $::_reponame
 254}
 255
 256proc is_MacOSX {} {
 257        if {[tk windowingsystem] eq {aqua}} {
 258                return 1
 259        }
 260        return 0
 261}
 262
 263proc is_Windows {} {
 264        if {$::tcl_platform(platform) eq {windows}} {
 265                return 1
 266        }
 267        return 0
 268}
 269
 270proc is_Cygwin {} {
 271        global _iscygwin
 272        if {$_iscygwin eq {}} {
 273                if {$::tcl_platform(platform) eq {windows}} {
 274                        if {[catch {set p [exec cygpath --windir]} err]} {
 275                                set _iscygwin 0
 276                        } else {
 277                                set _iscygwin 1
 278                                # Handle MSys2 which is only cygwin when MSYSTEM is MSYS.
 279                                if {[info exists ::env(MSYSTEM)] && $::env(MSYSTEM) ne "MSYS"} {
 280                                        set _iscygwin 0
 281                                }
 282                        }
 283                } else {
 284                        set _iscygwin 0
 285                }
 286        }
 287        return $_iscygwin
 288}
 289
 290proc is_enabled {option} {
 291        global enabled_options
 292        if {[catch {set on $enabled_options($option)}]} {return 0}
 293        return $on
 294}
 295
 296proc enable_option {option} {
 297        global enabled_options
 298        set enabled_options($option) 1
 299}
 300
 301proc disable_option {option} {
 302        global enabled_options
 303        set enabled_options($option) 0
 304}
 305
 306######################################################################
 307##
 308## config
 309
 310proc is_many_config {name} {
 311        switch -glob -- $name {
 312        gui.recentrepo -
 313        remote.*.fetch -
 314        remote.*.push
 315                {return 1}
 316        *
 317                {return 0}
 318        }
 319}
 320
 321proc is_config_true {name} {
 322        global repo_config
 323        if {[catch {set v $repo_config($name)}]} {
 324                return 0
 325        }
 326        set v [string tolower $v]
 327        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 328                return 1
 329        } else {
 330                return 0
 331        }
 332}
 333
 334proc is_config_false {name} {
 335        global repo_config
 336        if {[catch {set v $repo_config($name)}]} {
 337                return 0
 338        }
 339        set v [string tolower $v]
 340        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 341                return 1
 342        } else {
 343                return 0
 344        }
 345}
 346
 347proc get_config {name} {
 348        global repo_config
 349        if {[catch {set v $repo_config($name)}]} {
 350                return {}
 351        } else {
 352                return $v
 353        }
 354}
 355
 356proc is_bare {} {
 357        global _isbare
 358        global _gitdir
 359        global _gitworktree
 360
 361        if {$_isbare eq {}} {
 362                if {[catch {
 363                        set _bare [git rev-parse --is-bare-repository]
 364                        switch  -- $_bare {
 365                        true { set _isbare 1 }
 366                        false { set _isbare 0}
 367                        default { throw }
 368                        }
 369                }]} {
 370                        if {[is_config_true core.bare]
 371                                || ($_gitworktree eq {}
 372                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 373                                set _isbare 1
 374                        } else {
 375                                set _isbare 0
 376                        }
 377                }
 378        }
 379        return $_isbare
 380}
 381
 382######################################################################
 383##
 384## handy utils
 385
 386proc _trace_exec {cmd} {
 387        if {!$::_trace} return
 388        set d {}
 389        foreach v $cmd {
 390                if {$d ne {}} {
 391                        append d { }
 392                }
 393                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 394                        set v [sq $v]
 395                }
 396                append d $v
 397        }
 398        puts stderr $d
 399}
 400
 401#'"  fix poor old emacs font-lock mode
 402
 403proc _git_cmd {name} {
 404        global _git_cmd_path
 405
 406        if {[catch {set v $_git_cmd_path($name)}]} {
 407                switch -- $name {
 408                  version   -
 409                --version   -
 410                --exec-path { return [list $::_git $name] }
 411                }
 412
 413                set p [gitexec git-$name$::_search_exe]
 414                if {[file exists $p]} {
 415                        set v [list $p]
 416                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 417                        # Try to determine what sort of magic will make
 418                        # git-$name go and do its thing, because native
 419                        # Tcl on Windows doesn't know it.
 420                        #
 421                        set p [gitexec git-$name]
 422                        set f [open $p r]
 423                        set s [gets $f]
 424                        close $f
 425
 426                        switch -glob -- [lindex $s 0] {
 427                        #!*sh     { set i sh     }
 428                        #!*perl   { set i perl   }
 429                        #!*python { set i python }
 430                        default   { error "git-$name is not supported: $s" }
 431                        }
 432
 433                        upvar #0 _$i interp
 434                        if {![info exists interp]} {
 435                                set interp [_which $i]
 436                        }
 437                        if {$interp eq {}} {
 438                                error "git-$name requires $i (not in PATH)"
 439                        }
 440                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 441                } else {
 442                        # Assume it is builtin to git somehow and we
 443                        # aren't actually able to see a file for it.
 444                        #
 445                        set v [list $::_git $name]
 446                }
 447                set _git_cmd_path($name) $v
 448        }
 449        return $v
 450}
 451
 452proc _which {what args} {
 453        global env _search_exe _search_path
 454
 455        if {$_search_path eq {}} {
 456                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 457                        set _search_path [split [exec cygpath \
 458                                --windows \
 459                                --path \
 460                                --absolute \
 461                                $env(PATH)] {;}]
 462                        set _search_exe .exe
 463                } elseif {[is_Windows]} {
 464                        set gitguidir [file dirname [info script]]
 465                        regsub -all ";" $gitguidir "\\;" gitguidir
 466                        set env(PATH) "$gitguidir;$env(PATH)"
 467                        set _search_path [split $env(PATH) {;}]
 468                        set _search_exe .exe
 469                } else {
 470                        set _search_path [split $env(PATH) :]
 471                        set _search_exe {}
 472                }
 473        }
 474
 475        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 476                set suffix {}
 477        } else {
 478                set suffix $_search_exe
 479        }
 480
 481        foreach p $_search_path {
 482                set p [file join $p $what$suffix]
 483                if {[file exists $p]} {
 484                        return [file normalize $p]
 485                }
 486        }
 487        return {}
 488}
 489
 490# Test a file for a hashbang to identify executable scripts on Windows.
 491proc is_shellscript {filename} {
 492        if {![file exists $filename]} {return 0}
 493        set f [open $filename r]
 494        fconfigure $f -encoding binary
 495        set magic [read $f 2]
 496        close $f
 497        return [expr {$magic eq "#!"}]
 498}
 499
 500# Run a command connected via pipes on stdout.
 501# This is for use with textconv filters and uses sh -c "..." to allow it to
 502# contain a command with arguments. On windows we must check for shell
 503# scripts specifically otherwise just call the filter command.
 504proc open_cmd_pipe {cmd path} {
 505        global env
 506        if {![file executable [shellpath]]} {
 507                set exe [auto_execok [lindex $cmd 0]]
 508                if {[is_shellscript [lindex $exe 0]]} {
 509                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 510                } else {
 511                        set run [concat $exe [lrange $cmd 1 end] $path]
 512                }
 513        } else {
 514                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 515        }
 516        return [open |$run r]
 517}
 518
 519proc _lappend_nice {cmd_var} {
 520        global _nice
 521        upvar $cmd_var cmd
 522
 523        if {![info exists _nice]} {
 524                set _nice [_which nice]
 525                if {[catch {exec $_nice git version}]} {
 526                        set _nice {}
 527                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 528                        set _nice {}
 529                }
 530        }
 531        if {$_nice ne {}} {
 532                lappend cmd $_nice
 533        }
 534}
 535
 536proc git {args} {
 537        set fd [eval [list git_read] $args]
 538        fconfigure $fd -translation binary -encoding utf-8
 539        set result [string trimright [read $fd] "\n"]
 540        close $fd
 541        if {$::_trace} {
 542                puts stderr "< $result"
 543        }
 544        return $result
 545}
 546
 547proc _open_stdout_stderr {cmd} {
 548        _trace_exec $cmd
 549        if {[catch {
 550                        set fd [open [concat [list | ] $cmd] r]
 551                } err]} {
 552                if {   [lindex $cmd end] eq {2>@1}
 553                    && $err eq {can not find channel named "1"}
 554                        } {
 555                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 556                        # redirect operator.  Fallback to |& cat for those.
 557                        # The command was not actually started, so its safe
 558                        # to try to start it a second time.
 559                        #
 560                        set fd [open [concat \
 561                                [list | ] \
 562                                [lrange $cmd 0 end-1] \
 563                                [list |& cat] \
 564                                ] r]
 565                } else {
 566                        error $err
 567                }
 568        }
 569        fconfigure $fd -eofchar {}
 570        return $fd
 571}
 572
 573proc git_read {args} {
 574        set opt [list]
 575
 576        while {1} {
 577                switch -- [lindex $args 0] {
 578                --nice {
 579                        _lappend_nice opt
 580                }
 581
 582                --stderr {
 583                        lappend args 2>@1
 584                }
 585
 586                default {
 587                        break
 588                }
 589
 590                }
 591
 592                set args [lrange $args 1 end]
 593        }
 594
 595        set cmdp [_git_cmd [lindex $args 0]]
 596        set args [lrange $args 1 end]
 597
 598        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 599}
 600
 601proc git_write {args} {
 602        set opt [list]
 603
 604        while {1} {
 605                switch -- [lindex $args 0] {
 606                --nice {
 607                        _lappend_nice opt
 608                }
 609
 610                default {
 611                        break
 612                }
 613
 614                }
 615
 616                set args [lrange $args 1 end]
 617        }
 618
 619        set cmdp [_git_cmd [lindex $args 0]]
 620        set args [lrange $args 1 end]
 621
 622        _trace_exec [concat $opt $cmdp $args]
 623        return [open [concat [list | ] $opt $cmdp $args] w]
 624}
 625
 626proc githook_read {hook_name args} {
 627        set pchook [gitdir hooks $hook_name]
 628        lappend args 2>@1
 629
 630        # On Windows [file executable] might lie so we need to ask
 631        # the shell if the hook is executable.  Yes that's annoying.
 632        #
 633        if {[is_Windows]} {
 634                upvar #0 _sh interp
 635                if {![info exists interp]} {
 636                        set interp [_which sh]
 637                }
 638                if {$interp eq {}} {
 639                        error "hook execution requires sh (not in PATH)"
 640                }
 641
 642                set scr {if test -x "$1";then exec "$@";fi}
 643                set sh_c [list $interp -c $scr $interp $pchook]
 644                return [_open_stdout_stderr [concat $sh_c $args]]
 645        }
 646
 647        if {[file executable $pchook]} {
 648                return [_open_stdout_stderr [concat [list $pchook] $args]]
 649        }
 650
 651        return {}
 652}
 653
 654proc kill_file_process {fd} {
 655        set process [pid $fd]
 656
 657        catch {
 658                if {[is_Windows]} {
 659                        exec taskkill /pid $process
 660                } else {
 661                        exec kill $process
 662                }
 663        }
 664}
 665
 666proc gitattr {path attr default} {
 667        if {[catch {set r [git check-attr $attr -- $path]}]} {
 668                set r unspecified
 669        } else {
 670                set r [join [lrange [split $r :] 2 end] :]
 671                regsub {^ } $r {} r
 672        }
 673        if {$r eq {unspecified}} {
 674                return $default
 675        }
 676        return $r
 677}
 678
 679proc sq {value} {
 680        regsub -all ' $value "'\\''" value
 681        return "'$value'"
 682}
 683
 684proc load_current_branch {} {
 685        global current_branch is_detached
 686
 687        set fd [open [gitdir HEAD] r]
 688        if {[gets $fd ref] < 1} {
 689                set ref {}
 690        }
 691        close $fd
 692
 693        set pfx {ref: refs/heads/}
 694        set len [string length $pfx]
 695        if {[string equal -length $len $pfx $ref]} {
 696                # We're on a branch.  It might not exist.  But
 697                # HEAD looks good enough to be a branch.
 698                #
 699                set current_branch [string range $ref $len end]
 700                set is_detached 0
 701        } else {
 702                # Assume this is a detached head.
 703                #
 704                set current_branch HEAD
 705                set is_detached 1
 706        }
 707}
 708
 709auto_load tk_optionMenu
 710rename tk_optionMenu real__tkOptionMenu
 711proc tk_optionMenu {w varName args} {
 712        set m [eval real__tkOptionMenu $w $varName $args]
 713        $m configure -font font_ui
 714        $w configure -font font_ui
 715        return $m
 716}
 717
 718proc rmsel_tag {text} {
 719        $text tag conf sel \
 720                -background [$text cget -background] \
 721                -foreground [$text cget -foreground] \
 722                -borderwidth 0
 723        $text tag conf in_sel -background lightgray
 724        bind $text <Motion> break
 725        return $text
 726}
 727
 728wm withdraw .
 729set root_exists 0
 730bind . <Visibility> {
 731        bind . <Visibility> {}
 732        set root_exists 1
 733}
 734
 735if {[is_Windows]} {
 736        wm iconbitmap . -default $oguilib/git-gui.ico
 737        set ::tk::AlwaysShowSelection 1
 738        bind . <Control-F2> {console show}
 739
 740        # Spoof an X11 display for SSH
 741        if {![info exists env(DISPLAY)]} {
 742                set env(DISPLAY) :9999
 743        }
 744} else {
 745        catch {
 746                image create photo gitlogo -width 16 -height 16
 747
 748                gitlogo put #33CC33 -to  7  0  9  2
 749                gitlogo put #33CC33 -to  4  2 12  4
 750                gitlogo put #33CC33 -to  7  4  9  6
 751                gitlogo put #CC3333 -to  4  6 12  8
 752                gitlogo put gray26  -to  4  9  6 10
 753                gitlogo put gray26  -to  3 10  6 12
 754                gitlogo put gray26  -to  8  9 13 11
 755                gitlogo put gray26  -to  8 11 10 12
 756                gitlogo put gray26  -to 11 11 13 14
 757                gitlogo put gray26  -to  3 12  5 14
 758                gitlogo put gray26  -to  5 13
 759                gitlogo put gray26  -to 10 13
 760                gitlogo put gray26  -to  4 14 12 15
 761                gitlogo put gray26  -to  5 15 11 16
 762                gitlogo redither
 763
 764                image create photo gitlogo32 -width 32 -height 32
 765                gitlogo32 copy gitlogo -zoom 2 2
 766
 767                wm iconphoto . -default gitlogo gitlogo32
 768        }
 769}
 770
 771######################################################################
 772##
 773## config defaults
 774
 775set cursor_ptr arrow
 776font create font_ui
 777if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 778        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 779        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 780} else {
 781        font create font_diff -family Courier -size 10
 782        catch {
 783                label .dummy
 784                eval font configure font_ui [font actual [.dummy cget -font]]
 785                destroy .dummy
 786        }
 787}
 788
 789font create font_uiitalic
 790font create font_uibold
 791font create font_diffbold
 792font create font_diffitalic
 793
 794foreach class {Button Checkbutton Entry Label
 795                Labelframe Listbox Message
 796                Radiobutton Spinbox Text} {
 797        option add *$class.font font_ui
 798}
 799if {![is_MacOSX]} {
 800        option add *Menu.font font_ui
 801        option add *Entry.borderWidth 1 startupFile
 802        option add *Entry.relief sunken startupFile
 803        option add *RadioButton.anchor w startupFile
 804}
 805unset class
 806
 807if {[is_Windows] || [is_MacOSX]} {
 808        option add *Menu.tearOff 0
 809}
 810
 811if {[is_MacOSX]} {
 812        set M1B M1
 813        set M1T Cmd
 814} else {
 815        set M1B Control
 816        set M1T Ctrl
 817}
 818
 819proc bind_button3 {w cmd} {
 820        bind $w <Any-Button-3> $cmd
 821        if {[is_MacOSX]} {
 822                # Mac OS X sends Button-2 on right click through three-button mouse,
 823                # or through trackpad right-clicking (two-finger touch + click).
 824                bind $w <Any-Button-2> $cmd
 825                bind $w <Control-Button-1> $cmd
 826        }
 827}
 828
 829proc apply_config {} {
 830        global repo_config font_descs
 831
 832        foreach option $font_descs {
 833                set name [lindex $option 0]
 834                set font [lindex $option 1]
 835                if {[catch {
 836                        set need_weight 1
 837                        foreach {cn cv} $repo_config(gui.$name) {
 838                                if {$cn eq {-weight}} {
 839                                        set need_weight 0
 840                                }
 841                                font configure $font $cn $cv
 842                        }
 843                        if {$need_weight} {
 844                                font configure $font -weight normal
 845                        }
 846                        } err]} {
 847                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 848                }
 849                foreach {cn cv} [font configure $font] {
 850                        font configure ${font}bold $cn $cv
 851                        font configure ${font}italic $cn $cv
 852                }
 853                font configure ${font}bold -weight bold
 854                font configure ${font}italic -slant italic
 855        }
 856
 857        global use_ttk NS
 858        set use_ttk 0
 859        set NS {}
 860        if {$repo_config(gui.usettk)} {
 861                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 862                if {$use_ttk} {
 863                        set NS ttk
 864                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 865                        pave_toplevel .
 866                }
 867        }
 868}
 869
 870set default_config(branch.autosetupmerge) true
 871set default_config(merge.tool) {}
 872set default_config(mergetool.keepbackup) true
 873set default_config(merge.diffstat) true
 874set default_config(merge.summary) false
 875set default_config(merge.verbosity) 2
 876set default_config(user.name) {}
 877set default_config(user.email) {}
 878
 879set default_config(gui.encoding) [encoding system]
 880set default_config(gui.matchtrackingbranch) false
 881set default_config(gui.textconv) true
 882set default_config(gui.pruneduringfetch) false
 883set default_config(gui.trustmtime) false
 884set default_config(gui.fastcopyblame) false
 885set default_config(gui.maxrecentrepo) 10
 886set default_config(gui.copyblamethreshold) 40
 887set default_config(gui.blamehistoryctx) 7
 888set default_config(gui.diffcontext) 5
 889set default_config(gui.diffopts) {}
 890set default_config(gui.commitmsgwidth) 75
 891set default_config(gui.newbranchtemplate) {}
 892set default_config(gui.spellingdictionary) {}
 893set default_config(gui.fontui) [font configure font_ui]
 894set default_config(gui.fontdiff) [font configure font_diff]
 895# TODO: this option should be added to the git-config documentation
 896set default_config(gui.maxfilesdisplayed) 5000
 897set default_config(gui.usettk) 1
 898set default_config(gui.warndetachedcommit) 1
 899set default_config(gui.tabsize) 8
 900set font_descs {
 901        {fontui   font_ui   {mc "Main Font"}}
 902        {fontdiff font_diff {mc "Diff/Console Font"}}
 903}
 904set default_config(gui.stageuntracked) ask
 905set default_config(gui.displayuntracked) true
 906
 907######################################################################
 908##
 909## find git
 910
 911set _git  [_which git]
 912if {$_git eq {}} {
 913        catch {wm withdraw .}
 914        tk_messageBox \
 915                -icon error \
 916                -type ok \
 917                -title [mc "git-gui: fatal error"] \
 918                -message [mc "Cannot find git in PATH."]
 919        exit 1
 920}
 921
 922######################################################################
 923##
 924## version check
 925
 926if {[catch {set _git_version [git --version]} err]} {
 927        catch {wm withdraw .}
 928        tk_messageBox \
 929                -icon error \
 930                -type ok \
 931                -title [mc "git-gui: fatal error"] \
 932                -message "Cannot determine Git version:
 933
 934$err
 935
 936[appname] requires Git 1.5.0 or later."
 937        exit 1
 938}
 939if {![regsub {^git version } $_git_version {} _git_version]} {
 940        catch {wm withdraw .}
 941        tk_messageBox \
 942                -icon error \
 943                -type ok \
 944                -title [mc "git-gui: fatal error"] \
 945                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 946        exit 1
 947}
 948
 949proc get_trimmed_version {s} {
 950    set r {}
 951    foreach x [split $s -._] {
 952        if {[string is integer -strict $x]} {
 953            lappend r $x
 954        } else {
 955            break
 956        }
 957    }
 958    return [join $r .]
 959}
 960set _real_git_version $_git_version
 961set _git_version [get_trimmed_version $_git_version]
 962
 963if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 964        catch {wm withdraw .}
 965        if {[tk_messageBox \
 966                -icon warning \
 967                -type yesno \
 968                -default no \
 969                -title "[appname]: warning" \
 970                 -message [mc "Git version cannot be determined.
 971
 972%s claims it is version '%s'.
 973
 974%s requires at least Git 1.5.0 or later.
 975
 976Assume '%s' is version 1.5.0?
 977" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 978                set _git_version 1.5.0
 979        } else {
 980                exit 1
 981        }
 982}
 983unset _real_git_version
 984
 985proc git-version {args} {
 986        global _git_version
 987
 988        switch [llength $args] {
 989        0 {
 990                return $_git_version
 991        }
 992
 993        2 {
 994                set op [lindex $args 0]
 995                set vr [lindex $args 1]
 996                set cm [package vcompare $_git_version $vr]
 997                return [expr $cm $op 0]
 998        }
 999
1000        4 {
1001                set type [lindex $args 0]
1002                set name [lindex $args 1]
1003                set parm [lindex $args 2]
1004                set body [lindex $args 3]
1005
1006                if {($type ne {proc} && $type ne {method})} {
1007                        error "Invalid arguments to git-version"
1008                }
1009                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1010                        error "Last arm of $type $name must be default"
1011                }
1012
1013                foreach {op vr cb} [lrange $body 0 end-2] {
1014                        if {[git-version $op $vr]} {
1015                                return [uplevel [list $type $name $parm $cb]]
1016                        }
1017                }
1018
1019                return [uplevel [list $type $name $parm [lindex $body end]]]
1020        }
1021
1022        default {
1023                error "git-version >= x"
1024        }
1025
1026        }
1027}
1028
1029if {[git-version < 1.5]} {
1030        catch {wm withdraw .}
1031        tk_messageBox \
1032                -icon error \
1033                -type ok \
1034                -title [mc "git-gui: fatal error"] \
1035                -message "[appname] requires Git 1.5.0 or later.
1036
1037You are using [git-version]:
1038
1039[git --version]"
1040        exit 1
1041}
1042
1043######################################################################
1044##
1045## configure our library
1046
1047set idx [file join $oguilib tclIndex]
1048if {[catch {set fd [open $idx r]} err]} {
1049        catch {wm withdraw .}
1050        tk_messageBox \
1051                -icon error \
1052                -type ok \
1053                -title [mc "git-gui: fatal error"] \
1054                -message $err
1055        exit 1
1056}
1057if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1058        set idx [list]
1059        while {[gets $fd n] >= 0} {
1060                if {$n ne {} && ![string match #* $n]} {
1061                        lappend idx $n
1062                }
1063        }
1064} else {
1065        set idx {}
1066}
1067close $fd
1068
1069if {$idx ne {}} {
1070        set loaded [list]
1071        foreach p $idx {
1072                if {[lsearch -exact $loaded $p] >= 0} continue
1073                source [file join $oguilib $p]
1074                lappend loaded $p
1075        }
1076        unset loaded p
1077} else {
1078        set auto_path [concat [list $oguilib] $auto_path]
1079}
1080unset -nocomplain idx fd
1081
1082######################################################################
1083##
1084## config file parsing
1085
1086git-version proc _parse_config {arr_name args} {
1087        >= 1.5.3 {
1088                upvar $arr_name arr
1089                array unset arr
1090                set buf {}
1091                catch {
1092                        set fd_rc [eval \
1093                                [list git_read config] \
1094                                $args \
1095                                [list --null --list]]
1096                        fconfigure $fd_rc -translation binary -encoding utf-8
1097                        set buf [read $fd_rc]
1098                        close $fd_rc
1099                }
1100                foreach line [split $buf "\0"] {
1101                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1102                                if {[is_many_config $name]} {
1103                                        lappend arr($name) $value
1104                                } else {
1105                                        set arr($name) $value
1106                                }
1107                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1108                                # no value given, but interpreting them as
1109                                # boolean will be handled as true
1110                                set arr($name) {}
1111                        }
1112                }
1113        }
1114        default {
1115                upvar $arr_name arr
1116                array unset arr
1117                catch {
1118                        set fd_rc [eval [list git_read config --list] $args]
1119                        while {[gets $fd_rc line] >= 0} {
1120                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1121                                        if {[is_many_config $name]} {
1122                                                lappend arr($name) $value
1123                                        } else {
1124                                                set arr($name) $value
1125                                        }
1126                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1127                                        # no value given, but interpreting them as
1128                                        # boolean will be handled as true
1129                                        set arr($name) {}
1130                                }
1131                        }
1132                        close $fd_rc
1133                }
1134        }
1135}
1136
1137proc load_config {include_global} {
1138        global repo_config global_config system_config default_config
1139
1140        if {$include_global} {
1141                _parse_config system_config --system
1142                _parse_config global_config --global
1143        }
1144        _parse_config repo_config
1145
1146        foreach name [array names default_config] {
1147                if {[catch {set v $system_config($name)}]} {
1148                        set system_config($name) $default_config($name)
1149                }
1150        }
1151        foreach name [array names system_config] {
1152                if {[catch {set v $global_config($name)}]} {
1153                        set global_config($name) $system_config($name)
1154                }
1155                if {[catch {set v $repo_config($name)}]} {
1156                        set repo_config($name) $system_config($name)
1157                }
1158        }
1159}
1160
1161######################################################################
1162##
1163## feature option selection
1164
1165if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1166        unset _junk
1167} else {
1168        set subcommand gui
1169}
1170if {$subcommand eq {gui.sh}} {
1171        set subcommand gui
1172}
1173if {$subcommand eq {gui} && [llength $argv] > 0} {
1174        set subcommand [lindex $argv 0]
1175        set argv [lrange $argv 1 end]
1176}
1177
1178enable_option multicommit
1179enable_option branch
1180enable_option transport
1181disable_option bare
1182
1183switch -- $subcommand {
1184browser -
1185blame {
1186        enable_option bare
1187
1188        disable_option multicommit
1189        disable_option branch
1190        disable_option transport
1191}
1192citool {
1193        enable_option singlecommit
1194        enable_option retcode
1195
1196        disable_option multicommit
1197        disable_option branch
1198        disable_option transport
1199
1200        while {[llength $argv] > 0} {
1201                set a [lindex $argv 0]
1202                switch -- $a {
1203                --amend {
1204                        enable_option initialamend
1205                }
1206                --nocommit {
1207                        enable_option nocommit
1208                        enable_option nocommitmsg
1209                }
1210                --commitmsg {
1211                        disable_option nocommitmsg
1212                }
1213                default {
1214                        break
1215                }
1216                }
1217
1218                set argv [lrange $argv 1 end]
1219        }
1220}
1221}
1222
1223######################################################################
1224##
1225## execution environment
1226
1227set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1228
1229# Suggest our implementation of askpass, if none is set
1230if {![info exists env(SSH_ASKPASS)]} {
1231        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1232}
1233
1234######################################################################
1235##
1236## repository setup
1237
1238set picked 0
1239if {[catch {
1240                set _gitdir $env(GIT_DIR)
1241                set _prefix {}
1242                }]
1243        && [catch {
1244                # beware that from the .git dir this sets _gitdir to .
1245                # and _prefix to the empty string
1246                set _gitdir [git rev-parse --git-dir]
1247                set _prefix [git rev-parse --show-prefix]
1248        } err]} {
1249        load_config 1
1250        apply_config
1251        choose_repository::pick
1252        set picked 1
1253}
1254
1255# we expand the _gitdir when it's just a single dot (i.e. when we're being
1256# run from the .git dir itself) lest the routines to find the worktree
1257# get confused
1258if {$_gitdir eq "."} {
1259        set _gitdir [pwd]
1260}
1261
1262if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1263        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1264}
1265if {![file isdirectory $_gitdir]} {
1266        catch {wm withdraw .}
1267        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1268        exit 1
1269}
1270# _gitdir exists, so try loading the config
1271load_config 0
1272apply_config
1273
1274# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1275if {[package vcompare $_git_version 1.7.0] >= 0} {
1276        if { [is_Cygwin] } {
1277                catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1278        } else {
1279                set _gitworktree [git rev-parse --show-toplevel]
1280        }
1281} else {
1282        # try to set work tree from environment, core.worktree or use
1283        # cdup to obtain a relative path to the top of the worktree. If
1284        # run from the top, the ./ prefix ensures normalize expands pwd.
1285        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1286                set _gitworktree [get_config core.worktree]
1287                if {$_gitworktree eq ""} {
1288                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1289                }
1290        }
1291}
1292
1293if {$_prefix ne {}} {
1294        if {$_gitworktree eq {}} {
1295                regsub -all {[^/]+/} $_prefix ../ cdup
1296        } else {
1297                set cdup $_gitworktree
1298        }
1299        if {[catch {cd $cdup} err]} {
1300                catch {wm withdraw .}
1301                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1302                exit 1
1303        }
1304        set _gitworktree [pwd]
1305        unset cdup
1306} elseif {![is_enabled bare]} {
1307        if {[is_bare]} {
1308                catch {wm withdraw .}
1309                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1310                exit 1
1311        }
1312        if {$_gitworktree eq {}} {
1313                set _gitworktree [file dirname $_gitdir]
1314        }
1315        if {[catch {cd $_gitworktree} err]} {
1316                catch {wm withdraw .}
1317                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1318                exit 1
1319        }
1320        set _gitworktree [pwd]
1321}
1322set _reponame [file split [file normalize $_gitdir]]
1323if {[lindex $_reponame end] eq {.git}} {
1324        set _reponame [lindex $_reponame end-1]
1325} else {
1326        set _reponame [lindex $_reponame end]
1327}
1328
1329set env(GIT_DIR) $_gitdir
1330set env(GIT_WORK_TREE) $_gitworktree
1331
1332######################################################################
1333##
1334## global init
1335
1336set current_diff_path {}
1337set current_diff_side {}
1338set diff_actions [list]
1339
1340set HEAD {}
1341set PARENT {}
1342set MERGE_HEAD [list]
1343set commit_type {}
1344set empty_tree {}
1345set current_branch {}
1346set is_detached 0
1347set current_diff_path {}
1348set is_3way_diff 0
1349set is_submodule_diff 0
1350set is_conflict_diff 0
1351set selected_commit_type new
1352set diff_empty_count 0
1353
1354set nullid "0000000000000000000000000000000000000000"
1355set nullid2 "0000000000000000000000000000000000000001"
1356
1357######################################################################
1358##
1359## task management
1360
1361set rescan_active 0
1362set diff_active 0
1363set last_clicked {}
1364
1365set disable_on_lock [list]
1366set index_lock_type none
1367
1368proc lock_index {type} {
1369        global index_lock_type disable_on_lock
1370
1371        if {$index_lock_type eq {none}} {
1372                set index_lock_type $type
1373                foreach w $disable_on_lock {
1374                        uplevel #0 $w disabled
1375                }
1376                return 1
1377        } elseif {$index_lock_type eq "begin-$type"} {
1378                set index_lock_type $type
1379                return 1
1380        }
1381        return 0
1382}
1383
1384proc unlock_index {} {
1385        global index_lock_type disable_on_lock
1386
1387        set index_lock_type none
1388        foreach w $disable_on_lock {
1389                uplevel #0 $w normal
1390        }
1391}
1392
1393######################################################################
1394##
1395## status
1396
1397proc repository_state {ctvar hdvar mhvar} {
1398        global current_branch
1399        upvar $ctvar ct $hdvar hd $mhvar mh
1400
1401        set mh [list]
1402
1403        load_current_branch
1404        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1405                set hd {}
1406                set ct initial
1407                return
1408        }
1409
1410        set merge_head [gitdir MERGE_HEAD]
1411        if {[file exists $merge_head]} {
1412                set ct merge
1413                set fd_mh [open $merge_head r]
1414                while {[gets $fd_mh line] >= 0} {
1415                        lappend mh $line
1416                }
1417                close $fd_mh
1418                return
1419        }
1420
1421        set ct normal
1422}
1423
1424proc PARENT {} {
1425        global PARENT empty_tree
1426
1427        set p [lindex $PARENT 0]
1428        if {$p ne {}} {
1429                return $p
1430        }
1431        if {$empty_tree eq {}} {
1432                set empty_tree [git mktree << {}]
1433        }
1434        return $empty_tree
1435}
1436
1437proc force_amend {} {
1438        global selected_commit_type
1439        global HEAD PARENT MERGE_HEAD commit_type
1440
1441        repository_state newType newHEAD newMERGE_HEAD
1442        set HEAD $newHEAD
1443        set PARENT $newHEAD
1444        set MERGE_HEAD $newMERGE_HEAD
1445        set commit_type $newType
1446
1447        set selected_commit_type amend
1448        do_select_commit_type
1449}
1450
1451proc rescan {after {honor_trustmtime 1}} {
1452        global HEAD PARENT MERGE_HEAD commit_type
1453        global ui_index ui_workdir ui_comm
1454        global rescan_active file_states
1455        global repo_config
1456
1457        if {$rescan_active > 0 || ![lock_index read]} return
1458
1459        repository_state newType newHEAD newMERGE_HEAD
1460        if {[string match amend* $commit_type]
1461                && $newType eq {normal}
1462                && $newHEAD eq $HEAD} {
1463        } else {
1464                set HEAD $newHEAD
1465                set PARENT $newHEAD
1466                set MERGE_HEAD $newMERGE_HEAD
1467                set commit_type $newType
1468        }
1469
1470        array unset file_states
1471
1472        if {!$::GITGUI_BCK_exists &&
1473                (![$ui_comm edit modified]
1474                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1475                if {[string match amend* $commit_type]} {
1476                } elseif {[load_message GITGUI_MSG utf-8]} {
1477                } elseif {[run_prepare_commit_msg_hook]} {
1478                } elseif {[load_message MERGE_MSG]} {
1479                } elseif {[load_message SQUASH_MSG]} {
1480                }
1481                $ui_comm edit reset
1482                $ui_comm edit modified false
1483        }
1484
1485        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1486                rescan_stage2 {} $after
1487        } else {
1488                set rescan_active 1
1489                ui_status [mc "Refreshing file status..."]
1490                set fd_rf [git_read update-index \
1491                        -q \
1492                        --unmerged \
1493                        --ignore-missing \
1494                        --refresh \
1495                        ]
1496                fconfigure $fd_rf -blocking 0 -translation binary
1497                fileevent $fd_rf readable \
1498                        [list rescan_stage2 $fd_rf $after]
1499        }
1500}
1501
1502if {[is_Cygwin]} {
1503        set is_git_info_exclude {}
1504        proc have_info_exclude {} {
1505                global is_git_info_exclude
1506
1507                if {$is_git_info_exclude eq {}} {
1508                        if {[catch {exec test -f [gitdir info exclude]}]} {
1509                                set is_git_info_exclude 0
1510                        } else {
1511                                set is_git_info_exclude 1
1512                        }
1513                }
1514                return $is_git_info_exclude
1515        }
1516} else {
1517        proc have_info_exclude {} {
1518                return [file readable [gitdir info exclude]]
1519        }
1520}
1521
1522proc rescan_stage2 {fd after} {
1523        global rescan_active buf_rdi buf_rdf buf_rlo
1524
1525        if {$fd ne {}} {
1526                read $fd
1527                if {![eof $fd]} return
1528                close $fd
1529        }
1530
1531        if {[package vcompare $::_git_version 1.6.3] >= 0} {
1532                set ls_others [list --exclude-standard]
1533        } else {
1534                set ls_others [list --exclude-per-directory=.gitignore]
1535                if {[have_info_exclude]} {
1536                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1537                }
1538                set user_exclude [get_config core.excludesfile]
1539                if {$user_exclude ne {} && [file readable $user_exclude]} {
1540                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1541                }
1542        }
1543
1544        set buf_rdi {}
1545        set buf_rdf {}
1546        set buf_rlo {}
1547
1548        set rescan_active 2
1549        ui_status [mc "Scanning for modified files ..."]
1550        if {[git-version >= "1.7.2"]} {
1551                set fd_di [git_read diff-index --cached --ignore-submodules=dirty -z [PARENT]]
1552        } else {
1553                set fd_di [git_read diff-index --cached -z [PARENT]]
1554        }
1555        set fd_df [git_read diff-files -z]
1556
1557        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1558        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1559
1560        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1561        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1562
1563        if {[is_config_true gui.displayuntracked]} {
1564                set fd_lo [eval git_read ls-files --others -z $ls_others]
1565                fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1566                fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1567                incr rescan_active
1568        }
1569}
1570
1571proc load_message {file {encoding {}}} {
1572        global ui_comm
1573
1574        set f [gitdir $file]
1575        if {[file isfile $f]} {
1576                if {[catch {set fd [open $f r]}]} {
1577                        return 0
1578                }
1579                fconfigure $fd -eofchar {}
1580                if {$encoding ne {}} {
1581                        fconfigure $fd -encoding $encoding
1582                }
1583                set content [string trim [read $fd]]
1584                close $fd
1585                regsub -all -line {[ \r\t]+$} $content {} content
1586                $ui_comm delete 0.0 end
1587                $ui_comm insert end $content
1588                return 1
1589        }
1590        return 0
1591}
1592
1593proc run_prepare_commit_msg_hook {} {
1594        global pch_error
1595
1596        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1597        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1598        # empty file but existent file.
1599
1600        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1601
1602        if {[file isfile [gitdir MERGE_MSG]]} {
1603                set pcm_source "merge"
1604                set fd_mm [open [gitdir MERGE_MSG] r]
1605                fconfigure $fd_mm -encoding utf-8
1606                puts -nonewline $fd_pcm [read $fd_mm]
1607                close $fd_mm
1608        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1609                set pcm_source "squash"
1610                set fd_sm [open [gitdir SQUASH_MSG] r]
1611                fconfigure $fd_sm -encoding utf-8
1612                puts -nonewline $fd_pcm [read $fd_sm]
1613                close $fd_sm
1614        } else {
1615                set pcm_source ""
1616        }
1617
1618        close $fd_pcm
1619
1620        set fd_ph [githook_read prepare-commit-msg \
1621                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1622        if {$fd_ph eq {}} {
1623                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1624                return 0;
1625        }
1626
1627        ui_status [mc "Calling prepare-commit-msg hook..."]
1628        set pch_error {}
1629
1630        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1631        fileevent $fd_ph readable \
1632                [list prepare_commit_msg_hook_wait $fd_ph]
1633
1634        return 1;
1635}
1636
1637proc prepare_commit_msg_hook_wait {fd_ph} {
1638        global pch_error
1639
1640        append pch_error [read $fd_ph]
1641        fconfigure $fd_ph -blocking 1
1642        if {[eof $fd_ph]} {
1643                if {[catch {close $fd_ph}]} {
1644                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1645                        hook_failed_popup prepare-commit-msg $pch_error
1646                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1647                        exit 1
1648                } else {
1649                        load_message PREPARE_COMMIT_MSG
1650                }
1651                set pch_error {}
1652                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1653                return
1654        }
1655        fconfigure $fd_ph -blocking 0
1656        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1657}
1658
1659proc read_diff_index {fd after} {
1660        global buf_rdi
1661
1662        append buf_rdi [read $fd]
1663        set c 0
1664        set n [string length $buf_rdi]
1665        while {$c < $n} {
1666                set z1 [string first "\0" $buf_rdi $c]
1667                if {$z1 == -1} break
1668                incr z1
1669                set z2 [string first "\0" $buf_rdi $z1]
1670                if {$z2 == -1} break
1671
1672                incr c
1673                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1674                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1675                merge_state \
1676                        [encoding convertfrom utf-8 $p] \
1677                        [lindex $i 4]? \
1678                        [list [lindex $i 0] [lindex $i 2]] \
1679                        [list]
1680                set c $z2
1681                incr c
1682        }
1683        if {$c < $n} {
1684                set buf_rdi [string range $buf_rdi $c end]
1685        } else {
1686                set buf_rdi {}
1687        }
1688
1689        rescan_done $fd buf_rdi $after
1690}
1691
1692proc read_diff_files {fd after} {
1693        global buf_rdf
1694
1695        append buf_rdf [read $fd]
1696        set c 0
1697        set n [string length $buf_rdf]
1698        while {$c < $n} {
1699                set z1 [string first "\0" $buf_rdf $c]
1700                if {$z1 == -1} break
1701                incr z1
1702                set z2 [string first "\0" $buf_rdf $z1]
1703                if {$z2 == -1} break
1704
1705                incr c
1706                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1707                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1708                merge_state \
1709                        [encoding convertfrom utf-8 $p] \
1710                        ?[lindex $i 4] \
1711                        [list] \
1712                        [list [lindex $i 0] [lindex $i 2]]
1713                set c $z2
1714                incr c
1715        }
1716        if {$c < $n} {
1717                set buf_rdf [string range $buf_rdf $c end]
1718        } else {
1719                set buf_rdf {}
1720        }
1721
1722        rescan_done $fd buf_rdf $after
1723}
1724
1725proc read_ls_others {fd after} {
1726        global buf_rlo
1727
1728        append buf_rlo [read $fd]
1729        set pck [split $buf_rlo "\0"]
1730        set buf_rlo [lindex $pck end]
1731        foreach p [lrange $pck 0 end-1] {
1732                set p [encoding convertfrom utf-8 $p]
1733                if {[string index $p end] eq {/}} {
1734                        set p [string range $p 0 end-1]
1735                }
1736                merge_state $p ?O
1737        }
1738        rescan_done $fd buf_rlo $after
1739}
1740
1741proc rescan_done {fd buf after} {
1742        global rescan_active current_diff_path
1743        global file_states repo_config
1744        upvar $buf to_clear
1745
1746        if {![eof $fd]} return
1747        set to_clear {}
1748        close $fd
1749        if {[incr rescan_active -1] > 0} return
1750
1751        prune_selection
1752        unlock_index
1753        display_all_files
1754        if {$current_diff_path ne {}} { reshow_diff $after }
1755        if {$current_diff_path eq {}} { select_first_diff $after }
1756}
1757
1758proc prune_selection {} {
1759        global file_states selected_paths
1760
1761        foreach path [array names selected_paths] {
1762                if {[catch {set still_here $file_states($path)}]} {
1763                        unset selected_paths($path)
1764                }
1765        }
1766}
1767
1768######################################################################
1769##
1770## ui helpers
1771
1772proc mapicon {w state path} {
1773        global all_icons
1774
1775        if {[catch {set r $all_icons($state$w)}]} {
1776                puts "error: no icon for $w state={$state} $path"
1777                return file_plain
1778        }
1779        return $r
1780}
1781
1782proc mapdesc {state path} {
1783        global all_descs
1784
1785        if {[catch {set r $all_descs($state)}]} {
1786                puts "error: no desc for state={$state} $path"
1787                return $state
1788        }
1789        return $r
1790}
1791
1792proc ui_status {msg} {
1793        global main_status
1794        if {[info exists main_status]} {
1795                $main_status show $msg
1796        }
1797}
1798
1799proc ui_ready {{test {}}} {
1800        global main_status
1801        if {[info exists main_status]} {
1802                $main_status show [mc "Ready."] $test
1803        }
1804}
1805
1806proc escape_path {path} {
1807        regsub -all {\\} $path "\\\\" path
1808        regsub -all "\n" $path "\\n" path
1809        return $path
1810}
1811
1812proc short_path {path} {
1813        return [escape_path [lindex [file split $path] end]]
1814}
1815
1816set next_icon_id 0
1817set null_sha1 [string repeat 0 40]
1818
1819proc merge_state {path new_state {head_info {}} {index_info {}}} {
1820        global file_states next_icon_id null_sha1
1821
1822        set s0 [string index $new_state 0]
1823        set s1 [string index $new_state 1]
1824
1825        if {[catch {set info $file_states($path)}]} {
1826                set state __
1827                set icon n[incr next_icon_id]
1828        } else {
1829                set state [lindex $info 0]
1830                set icon [lindex $info 1]
1831                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1832                if {$index_info eq {}} {set index_info [lindex $info 3]}
1833        }
1834
1835        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1836        elseif {$s0 eq {_}} {set s0 _}
1837
1838        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1839        elseif {$s1 eq {_}} {set s1 _}
1840
1841        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1842                set head_info [list 0 $null_sha1]
1843        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1844                && $head_info eq {}} {
1845                set head_info $index_info
1846        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1847                set index_info $head_info
1848                set head_info {}
1849        }
1850
1851        set file_states($path) [list $s0$s1 $icon \
1852                $head_info $index_info \
1853                ]
1854        return $state
1855}
1856
1857proc display_file_helper {w path icon_name old_m new_m} {
1858        global file_lists
1859
1860        if {$new_m eq {_}} {
1861                set lno [lsearch -sorted -exact $file_lists($w) $path]
1862                if {$lno >= 0} {
1863                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1864                        incr lno
1865                        $w conf -state normal
1866                        $w delete $lno.0 [expr {$lno + 1}].0
1867                        $w conf -state disabled
1868                }
1869        } elseif {$old_m eq {_} && $new_m ne {_}} {
1870                lappend file_lists($w) $path
1871                set file_lists($w) [lsort -unique $file_lists($w)]
1872                set lno [lsearch -sorted -exact $file_lists($w) $path]
1873                incr lno
1874                $w conf -state normal
1875                $w image create $lno.0 \
1876                        -align center -padx 5 -pady 1 \
1877                        -name $icon_name \
1878                        -image [mapicon $w $new_m $path]
1879                $w insert $lno.1 "[escape_path $path]\n"
1880                $w conf -state disabled
1881        } elseif {$old_m ne $new_m} {
1882                $w conf -state normal
1883                $w image conf $icon_name -image [mapicon $w $new_m $path]
1884                $w conf -state disabled
1885        }
1886}
1887
1888proc display_file {path state} {
1889        global file_states selected_paths
1890        global ui_index ui_workdir
1891
1892        set old_m [merge_state $path $state]
1893        set s $file_states($path)
1894        set new_m [lindex $s 0]
1895        set icon_name [lindex $s 1]
1896
1897        set o [string index $old_m 0]
1898        set n [string index $new_m 0]
1899        if {$o eq {U}} {
1900                set o _
1901        }
1902        if {$n eq {U}} {
1903                set n _
1904        }
1905        display_file_helper     $ui_index $path $icon_name $o $n
1906
1907        if {[string index $old_m 0] eq {U}} {
1908                set o U
1909        } else {
1910                set o [string index $old_m 1]
1911        }
1912        if {[string index $new_m 0] eq {U}} {
1913                set n U
1914        } else {
1915                set n [string index $new_m 1]
1916        }
1917        display_file_helper     $ui_workdir $path $icon_name $o $n
1918
1919        if {$new_m eq {__}} {
1920                unset file_states($path)
1921                catch {unset selected_paths($path)}
1922        }
1923}
1924
1925proc display_all_files_helper {w path icon_name m} {
1926        global file_lists
1927
1928        lappend file_lists($w) $path
1929        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1930        $w image create end \
1931                -align center -padx 5 -pady 1 \
1932                -name $icon_name \
1933                -image [mapicon $w $m $path]
1934        $w insert end "[escape_path $path]\n"
1935}
1936
1937set files_warning 0
1938proc display_all_files {} {
1939        global ui_index ui_workdir
1940        global file_states file_lists
1941        global last_clicked
1942        global files_warning
1943
1944        $ui_index conf -state normal
1945        $ui_workdir conf -state normal
1946
1947        $ui_index delete 0.0 end
1948        $ui_workdir delete 0.0 end
1949        set last_clicked {}
1950
1951        set file_lists($ui_index) [list]
1952        set file_lists($ui_workdir) [list]
1953
1954        set to_display [lsort [array names file_states]]
1955        set display_limit [get_config gui.maxfilesdisplayed]
1956        set displayed 0
1957        foreach path $to_display {
1958                set s $file_states($path)
1959                set m [lindex $s 0]
1960                set icon_name [lindex $s 1]
1961
1962                if {$displayed > $display_limit && [string index $m 1] eq {O} } {
1963                        if {!$files_warning} {
1964                                # do not repeatedly warn:
1965                                set files_warning 1
1966                                info_popup [mc "Display limit (gui.maxfilesdisplayed = %s) reached, not showing all %s files." \
1967                                        $display_limit [llength $to_display]]
1968                        }
1969                        continue
1970                }
1971
1972                set s [string index $m 0]
1973                if {$s ne {U} && $s ne {_}} {
1974                        display_all_files_helper $ui_index $path \
1975                                $icon_name $s
1976                }
1977
1978                if {[string index $m 0] eq {U}} {
1979                        set s U
1980                } else {
1981                        set s [string index $m 1]
1982                }
1983                if {$s ne {_}} {
1984                        display_all_files_helper $ui_workdir $path \
1985                                $icon_name $s
1986                        incr displayed
1987                }
1988        }
1989
1990        $ui_index conf -state disabled
1991        $ui_workdir conf -state disabled
1992}
1993
1994######################################################################
1995##
1996## icons
1997
1998set filemask {
1999#define mask_width 14
2000#define mask_height 15
2001static unsigned char mask_bits[] = {
2002   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2003   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2004   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2005}
2006
2007image create bitmap file_plain -background white -foreground black -data {
2008#define plain_width 14
2009#define plain_height 15
2010static unsigned char plain_bits[] = {
2011   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2012   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2013   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2014} -maskdata $filemask
2015
2016image create bitmap file_mod -background white -foreground blue -data {
2017#define mod_width 14
2018#define mod_height 15
2019static unsigned char mod_bits[] = {
2020   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2021   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2022   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2023} -maskdata $filemask
2024
2025image create bitmap file_fulltick -background white -foreground "#007000" -data {
2026#define file_fulltick_width 14
2027#define file_fulltick_height 15
2028static unsigned char file_fulltick_bits[] = {
2029   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2030   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2031   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2032} -maskdata $filemask
2033
2034image create bitmap file_question -background white -foreground black -data {
2035#define file_question_width 14
2036#define file_question_height 15
2037static unsigned char file_question_bits[] = {
2038   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2039   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2040   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2041} -maskdata $filemask
2042
2043image create bitmap file_removed -background white -foreground red -data {
2044#define file_removed_width 14
2045#define file_removed_height 15
2046static unsigned char file_removed_bits[] = {
2047   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2048   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2049   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2050} -maskdata $filemask
2051
2052image create bitmap file_merge -background white -foreground blue -data {
2053#define file_merge_width 14
2054#define file_merge_height 15
2055static unsigned char file_merge_bits[] = {
2056   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2057   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2058   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2059} -maskdata $filemask
2060
2061image create bitmap file_statechange -background white -foreground green -data {
2062#define file_statechange_width 14
2063#define file_statechange_height 15
2064static unsigned char file_statechange_bits[] = {
2065   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2066   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2067   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2068} -maskdata $filemask
2069
2070set ui_index .vpane.files.index.list
2071set ui_workdir .vpane.files.workdir.list
2072
2073set all_icons(_$ui_index)   file_plain
2074set all_icons(A$ui_index)   file_plain
2075set all_icons(M$ui_index)   file_fulltick
2076set all_icons(D$ui_index)   file_removed
2077set all_icons(U$ui_index)   file_merge
2078set all_icons(T$ui_index)   file_statechange
2079
2080set all_icons(_$ui_workdir) file_plain
2081set all_icons(M$ui_workdir) file_mod
2082set all_icons(D$ui_workdir) file_question
2083set all_icons(U$ui_workdir) file_merge
2084set all_icons(O$ui_workdir) file_plain
2085set all_icons(T$ui_workdir) file_statechange
2086
2087set max_status_desc 0
2088foreach i {
2089                {__ {mc "Unmodified"}}
2090
2091                {_M {mc "Modified, not staged"}}
2092                {M_ {mc "Staged for commit"}}
2093                {MM {mc "Portions staged for commit"}}
2094                {MD {mc "Staged for commit, missing"}}
2095
2096                {_T {mc "File type changed, not staged"}}
2097                {MT {mc "File type changed, old type staged for commit"}}
2098                {AT {mc "File type changed, old type staged for commit"}}
2099                {T_ {mc "File type changed, staged"}}
2100                {TM {mc "File type change staged, modification not staged"}}
2101                {TD {mc "File type change staged, file missing"}}
2102
2103                {_O {mc "Untracked, not staged"}}
2104                {A_ {mc "Staged for commit"}}
2105                {AM {mc "Portions staged for commit"}}
2106                {AD {mc "Staged for commit, missing"}}
2107
2108                {_D {mc "Missing"}}
2109                {D_ {mc "Staged for removal"}}
2110                {DO {mc "Staged for removal, still present"}}
2111
2112                {_U {mc "Requires merge resolution"}}
2113                {U_ {mc "Requires merge resolution"}}
2114                {UU {mc "Requires merge resolution"}}
2115                {UM {mc "Requires merge resolution"}}
2116                {UD {mc "Requires merge resolution"}}
2117                {UT {mc "Requires merge resolution"}}
2118        } {
2119        set text [eval [lindex $i 1]]
2120        if {$max_status_desc < [string length $text]} {
2121                set max_status_desc [string length $text]
2122        }
2123        set all_descs([lindex $i 0]) $text
2124}
2125unset i
2126
2127######################################################################
2128##
2129## util
2130
2131proc scrollbar2many {list mode args} {
2132        foreach w $list {eval $w $mode $args}
2133}
2134
2135proc many2scrollbar {list mode sb top bottom} {
2136        $sb set $top $bottom
2137        foreach w $list {$w $mode moveto $top}
2138}
2139
2140proc incr_font_size {font {amt 1}} {
2141        set sz [font configure $font -size]
2142        incr sz $amt
2143        font configure $font -size $sz
2144        font configure ${font}bold -size $sz
2145        font configure ${font}italic -size $sz
2146}
2147
2148######################################################################
2149##
2150## ui commands
2151
2152set starting_gitk_msg [mc "Starting gitk... please wait..."]
2153
2154proc do_gitk {revs {is_submodule false}} {
2155        global current_diff_path file_states current_diff_side ui_index
2156        global _gitdir _gitworktree
2157
2158        # -- Always start gitk through whatever we were loaded with.  This
2159        #    lets us bypass using shell process on Windows systems.
2160        #
2161        set exe [_which gitk -script]
2162        set cmd [list [info nameofexecutable] $exe]
2163        if {$exe eq {}} {
2164                error_popup [mc "Couldn't find gitk in PATH"]
2165        } else {
2166                global env
2167
2168                set pwd [pwd]
2169
2170                if {!$is_submodule} {
2171                        if {![is_bare]} {
2172                                cd $_gitworktree
2173                        }
2174                } else {
2175                        cd $current_diff_path
2176                        if {$revs eq {--}} {
2177                                set s $file_states($current_diff_path)
2178                                set old_sha1 {}
2179                                set new_sha1 {}
2180                                switch -glob -- [lindex $s 0] {
2181                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2182                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2183                                MM {
2184                                        if {$current_diff_side eq $ui_index} {
2185                                                set old_sha1 [lindex [lindex $s 2] 1]
2186                                                set new_sha1 [lindex [lindex $s 3] 1]
2187                                        } else {
2188                                                set old_sha1 [lindex [lindex $s 3] 1]
2189                                        }
2190                                }
2191                                }
2192                                set revs $old_sha1...$new_sha1
2193                        }
2194                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2195                        # we've been using for the main repository, so unset them.
2196                        # TODO we could make life easier (start up faster?) for gitk
2197                        # by setting these to the appropriate values to allow gitk
2198                        # to skip the heuristics to find their proper value
2199                        unset env(GIT_DIR)
2200                        unset env(GIT_WORK_TREE)
2201                }
2202                eval exec $cmd $revs "--" "--" &
2203
2204                set env(GIT_DIR) $_gitdir
2205                set env(GIT_WORK_TREE) $_gitworktree
2206                cd $pwd
2207
2208                ui_status $::starting_gitk_msg
2209                after 10000 {
2210                        ui_ready $starting_gitk_msg
2211                }
2212        }
2213}
2214
2215proc do_git_gui {} {
2216        global current_diff_path
2217
2218        # -- Always start git gui through whatever we were loaded with.  This
2219        #    lets us bypass using shell process on Windows systems.
2220        #
2221        set exe [list [_which git]]
2222        if {$exe eq {}} {
2223                error_popup [mc "Couldn't find git gui in PATH"]
2224        } else {
2225                global env
2226                global _gitdir _gitworktree
2227
2228                # see note in do_gitk about unsetting these vars when
2229                # running tools in a submodule
2230                unset env(GIT_DIR)
2231                unset env(GIT_WORK_TREE)
2232
2233                set pwd [pwd]
2234                cd $current_diff_path
2235
2236                eval exec $exe gui &
2237
2238                set env(GIT_DIR) $_gitdir
2239                set env(GIT_WORK_TREE) $_gitworktree
2240                cd $pwd
2241
2242                ui_status $::starting_gitk_msg
2243                after 10000 {
2244                        ui_ready $starting_gitk_msg
2245                }
2246        }
2247}
2248
2249proc do_explore {} {
2250        global _gitworktree
2251        set explorer {}
2252        if {[is_Cygwin] || [is_Windows]} {
2253                set explorer "explorer.exe"
2254        } elseif {[is_MacOSX]} {
2255                set explorer "open"
2256        } else {
2257                # freedesktop.org-conforming system is our best shot
2258                set explorer "xdg-open"
2259        }
2260        eval exec $explorer [list [file nativename $_gitworktree]] &
2261}
2262
2263set is_quitting 0
2264set ret_code    1
2265
2266proc terminate_me {win} {
2267        global ret_code
2268        if {$win ne {.}} return
2269        exit $ret_code
2270}
2271
2272proc do_quit {{rc {1}}} {
2273        global ui_comm is_quitting repo_config commit_type
2274        global GITGUI_BCK_exists GITGUI_BCK_i
2275        global ui_comm_spell
2276        global ret_code use_ttk
2277
2278        if {$is_quitting} return
2279        set is_quitting 1
2280
2281        if {[winfo exists $ui_comm]} {
2282                # -- Stash our current commit buffer.
2283                #
2284                set save [gitdir GITGUI_MSG]
2285                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2286                        file rename -force [gitdir GITGUI_BCK] $save
2287                        set GITGUI_BCK_exists 0
2288                } else {
2289                        set msg [string trim [$ui_comm get 0.0 end]]
2290                        regsub -all -line {[ \r\t]+$} $msg {} msg
2291                        if {(![string match amend* $commit_type]
2292                                || [$ui_comm edit modified])
2293                                && $msg ne {}} {
2294                                catch {
2295                                        set fd [open $save w]
2296                                        fconfigure $fd -encoding utf-8
2297                                        puts -nonewline $fd $msg
2298                                        close $fd
2299                                }
2300                        } else {
2301                                catch {file delete $save}
2302                        }
2303                }
2304
2305                # -- Cancel our spellchecker if its running.
2306                #
2307                if {[info exists ui_comm_spell]} {
2308                        $ui_comm_spell stop
2309                }
2310
2311                # -- Remove our editor backup, its not needed.
2312                #
2313                after cancel $GITGUI_BCK_i
2314                if {$GITGUI_BCK_exists} {
2315                        catch {file delete [gitdir GITGUI_BCK]}
2316                }
2317
2318                # -- Stash our current window geometry into this repository.
2319                #
2320                set cfg_wmstate [wm state .]
2321                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2322                        set rc_wmstate {}
2323                }
2324                if {$cfg_wmstate ne $rc_wmstate} {
2325                        catch {git config gui.wmstate $cfg_wmstate}
2326                }
2327                if {$cfg_wmstate eq {zoomed}} {
2328                        # on Windows wm geometry will lie about window
2329                        # position (but not size) when window is zoomed
2330                        # restore the window before querying wm geometry
2331                        wm state . normal
2332                }
2333                set cfg_geometry [list]
2334                lappend cfg_geometry [wm geometry .]
2335                if {$use_ttk} {
2336                        lappend cfg_geometry [.vpane sashpos 0]
2337                        lappend cfg_geometry [.vpane.files sashpos 0]
2338                } else {
2339                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2340                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2341                }
2342                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2343                        set rc_geometry {}
2344                }
2345                if {$cfg_geometry ne $rc_geometry} {
2346                        catch {git config gui.geometry $cfg_geometry}
2347                }
2348        }
2349
2350        set ret_code $rc
2351
2352        # Briefly enable send again, working around Tk bug
2353        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2354        tk appname [appname]
2355
2356        destroy .
2357}
2358
2359proc do_rescan {} {
2360        rescan ui_ready
2361}
2362
2363proc ui_do_rescan {} {
2364        rescan {force_first_diff ui_ready}
2365}
2366
2367proc do_commit {} {
2368        commit_tree
2369}
2370
2371proc next_diff {{after {}}} {
2372        global next_diff_p next_diff_w next_diff_i
2373        show_diff $next_diff_p $next_diff_w {} {} $after
2374}
2375
2376proc find_anchor_pos {lst name} {
2377        set lid [lsearch -sorted -exact $lst $name]
2378
2379        if {$lid == -1} {
2380                set lid 0
2381                foreach lname $lst {
2382                        if {$lname >= $name} break
2383                        incr lid
2384                }
2385        }
2386
2387        return $lid
2388}
2389
2390proc find_file_from {flist idx delta path mmask} {
2391        global file_states
2392
2393        set len [llength $flist]
2394        while {$idx >= 0 && $idx < $len} {
2395                set name [lindex $flist $idx]
2396
2397                if {$name ne $path && [info exists file_states($name)]} {
2398                        set state [lindex $file_states($name) 0]
2399
2400                        if {$mmask eq {} || [regexp $mmask $state]} {
2401                                return $idx
2402                        }
2403                }
2404
2405                incr idx $delta
2406        }
2407
2408        return {}
2409}
2410
2411proc find_next_diff {w path {lno {}} {mmask {}}} {
2412        global next_diff_p next_diff_w next_diff_i
2413        global file_lists ui_index ui_workdir
2414
2415        set flist $file_lists($w)
2416        if {$lno eq {}} {
2417                set lno [find_anchor_pos $flist $path]
2418        } else {
2419                incr lno -1
2420        }
2421
2422        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2423                if {$w eq $ui_index} {
2424                        set mmask "^$mmask"
2425                } else {
2426                        set mmask "$mmask\$"
2427                }
2428        }
2429
2430        set idx [find_file_from $flist $lno 1 $path $mmask]
2431        if {$idx eq {}} {
2432                incr lno -1
2433                set idx [find_file_from $flist $lno -1 $path $mmask]
2434        }
2435
2436        if {$idx ne {}} {
2437                set next_diff_w $w
2438                set next_diff_p [lindex $flist $idx]
2439                set next_diff_i [expr {$idx+1}]
2440                return 1
2441        } else {
2442                return 0
2443        }
2444}
2445
2446proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2447        global current_diff_path
2448
2449        if {$path ne $current_diff_path} {
2450                return {}
2451        } elseif {[find_next_diff $w $path $lno $mmask]} {
2452                return {next_diff;}
2453        } else {
2454                return {reshow_diff;}
2455        }
2456}
2457
2458proc select_first_diff {after} {
2459        global ui_workdir
2460
2461        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2462            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2463                next_diff $after
2464        } else {
2465                uplevel #0 $after
2466        }
2467}
2468
2469proc force_first_diff {after} {
2470        global ui_workdir current_diff_path file_states
2471
2472        if {[info exists file_states($current_diff_path)]} {
2473                set state [lindex $file_states($current_diff_path) 0]
2474        } else {
2475                set state {OO}
2476        }
2477
2478        set reselect 0
2479        if {[string first {U} $state] >= 0} {
2480                # Already a conflict, do nothing
2481        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2482                set reselect 1
2483        } elseif {[string index $state 1] ne {O}} {
2484                # Already a diff & no conflicts, do nothing
2485        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2486                set reselect 1
2487        }
2488
2489        if {$reselect} {
2490                next_diff $after
2491        } else {
2492                uplevel #0 $after
2493        }
2494}
2495
2496proc toggle_or_diff {mode w args} {
2497        global file_states file_lists current_diff_path ui_index ui_workdir
2498        global last_clicked selected_paths file_lists_last_clicked
2499
2500        if {$mode eq "click"} {
2501                foreach {x y} $args break
2502                set pos [split [$w index @$x,$y] .]
2503                foreach {lno col} $pos break
2504        } else {
2505                if {$last_clicked ne {}} {
2506                        set lno [lindex $last_clicked 1]
2507                } else {
2508                        set lno [expr {int([lindex [$w tag ranges in_diff] 0])}]
2509                }
2510                if {$mode eq "toggle"} {
2511                        set col 0; set y 2
2512                } else {
2513                        incr lno [expr {$mode eq "up" ? -1 : 1}]
2514                        set col 1
2515                }
2516        }
2517
2518        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2519        if {$path eq {}} {
2520                set last_clicked {}
2521                return
2522        }
2523
2524        set last_clicked [list $w $lno]
2525        focus $w
2526        array unset selected_paths
2527        $ui_index tag remove in_sel 0.0 end
2528        $ui_workdir tag remove in_sel 0.0 end
2529
2530        set file_lists_last_clicked($w) $path
2531
2532        # Determine the state of the file
2533        if {[info exists file_states($path)]} {
2534                set state [lindex $file_states($path) 0]
2535        } else {
2536                set state {__}
2537        }
2538
2539        # Restage the file, or simply show the diff
2540        if {$col == 0 && $y > 1} {
2541                # Conflicts need special handling
2542                if {[string first {U} $state] >= 0} {
2543                        # $w must always be $ui_workdir, but...
2544                        if {$w ne $ui_workdir} { set lno {} }
2545                        merge_stage_workdir $path $lno
2546                        return
2547                }
2548
2549                if {[string index $state 1] eq {O}} {
2550                        set mmask {}
2551                } else {
2552                        set mmask {[^O]}
2553                }
2554
2555                set after [next_diff_after_action $w $path $lno $mmask]
2556
2557                if {$w eq $ui_index} {
2558                        update_indexinfo \
2559                                "Unstaging [short_path $path] from commit" \
2560                                [list $path] \
2561                                [concat $after [list ui_ready]]
2562                } elseif {$w eq $ui_workdir} {
2563                        update_index \
2564                                "Adding [short_path $path]" \
2565                                [list $path] \
2566                                [concat $after [list ui_ready]]
2567                }
2568        } else {
2569                set selected_paths($path) 1
2570                show_diff $path $w $lno
2571        }
2572}
2573
2574proc add_one_to_selection {w x y} {
2575        global file_lists last_clicked selected_paths
2576
2577        set lno [lindex [split [$w index @$x,$y] .] 0]
2578        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2579        if {$path eq {}} {
2580                set last_clicked {}
2581                return
2582        }
2583
2584        if {$last_clicked ne {}
2585                && [lindex $last_clicked 0] ne $w} {
2586                array unset selected_paths
2587                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2588        }
2589
2590        set last_clicked [list $w $lno]
2591        if {[catch {set in_sel $selected_paths($path)}]} {
2592                set in_sel 0
2593        }
2594        if {$in_sel} {
2595                unset selected_paths($path)
2596                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2597        } else {
2598                set selected_paths($path) 1
2599                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2600        }
2601}
2602
2603proc add_range_to_selection {w x y} {
2604        global file_lists last_clicked selected_paths
2605
2606        if {[lindex $last_clicked 0] ne $w} {
2607                toggle_or_diff click $w $x $y
2608                return
2609        }
2610
2611        set lno [lindex [split [$w index @$x,$y] .] 0]
2612        set lc [lindex $last_clicked 1]
2613        if {$lc < $lno} {
2614                set begin $lc
2615                set end $lno
2616        } else {
2617                set begin $lno
2618                set end $lc
2619        }
2620
2621        foreach path [lrange $file_lists($w) \
2622                [expr {$begin - 1}] \
2623                [expr {$end - 1}]] {
2624                set selected_paths($path) 1
2625        }
2626        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2627}
2628
2629proc show_more_context {} {
2630        global repo_config
2631        if {$repo_config(gui.diffcontext) < 99} {
2632                incr repo_config(gui.diffcontext)
2633                reshow_diff
2634        }
2635}
2636
2637proc show_less_context {} {
2638        global repo_config
2639        if {$repo_config(gui.diffcontext) > 1} {
2640                incr repo_config(gui.diffcontext) -1
2641                reshow_diff
2642        }
2643}
2644
2645proc focus_widget {widget} {
2646        global file_lists last_clicked selected_paths
2647        global file_lists_last_clicked
2648
2649        if {[llength $file_lists($widget)] > 0} {
2650                set path $file_lists_last_clicked($widget)
2651                set index [lsearch -sorted -exact $file_lists($widget) $path]
2652                if {$index < 0} {
2653                        set index 0
2654                        set path [lindex $file_lists($widget) $index]
2655                }
2656
2657                focus $widget
2658                set last_clicked [list $widget [expr $index + 1]]
2659                array unset selected_paths
2660                set selected_paths($path) 1
2661                show_diff $path $widget
2662        }
2663}
2664
2665######################################################################
2666##
2667## ui construction
2668
2669set ui_comm {}
2670
2671# -- Menu Bar
2672#
2673menu .mbar -tearoff 0
2674if {[is_MacOSX]} {
2675        # -- Apple Menu (Mac OS X only)
2676        #
2677        .mbar add cascade -label Apple -menu .mbar.apple
2678        menu .mbar.apple
2679}
2680.mbar add cascade -label [mc Repository] -menu .mbar.repository
2681.mbar add cascade -label [mc Edit] -menu .mbar.edit
2682if {[is_enabled branch]} {
2683        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2684}
2685if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2686        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2687}
2688if {[is_enabled transport]} {
2689        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2690        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2691}
2692if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2693        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2694}
2695
2696# -- Repository Menu
2697#
2698menu .mbar.repository
2699
2700if {![is_bare]} {
2701        .mbar.repository add command \
2702                -label [mc "Explore Working Copy"] \
2703                -command {do_explore}
2704}
2705
2706if {[is_Windows]} {
2707        .mbar.repository add command \
2708                -label [mc "Git Bash"] \
2709                -command {eval exec [auto_execok start] \
2710                                          [list "Git Bash" bash --login -l &]}
2711}
2712
2713if {[is_Windows] || ![is_bare]} {
2714        .mbar.repository add separator
2715}
2716
2717.mbar.repository add command \
2718        -label [mc "Browse Current Branch's Files"] \
2719        -command {browser::new $current_branch}
2720set ui_browse_current [.mbar.repository index last]
2721.mbar.repository add command \
2722        -label [mc "Browse Branch Files..."] \
2723        -command browser_open::dialog
2724.mbar.repository add separator
2725
2726.mbar.repository add command \
2727        -label [mc "Visualize Current Branch's History"] \
2728        -command {do_gitk $current_branch}
2729set ui_visualize_current [.mbar.repository index last]
2730.mbar.repository add command \
2731        -label [mc "Visualize All Branch History"] \
2732        -command {do_gitk --all}
2733.mbar.repository add separator
2734
2735proc current_branch_write {args} {
2736        global current_branch
2737        .mbar.repository entryconf $::ui_browse_current \
2738                -label [mc "Browse %s's Files" $current_branch]
2739        .mbar.repository entryconf $::ui_visualize_current \
2740                -label [mc "Visualize %s's History" $current_branch]
2741}
2742trace add variable current_branch write current_branch_write
2743
2744if {[is_enabled multicommit]} {
2745        .mbar.repository add command -label [mc "Database Statistics"] \
2746                -command do_stats
2747
2748        .mbar.repository add command -label [mc "Compress Database"] \
2749                -command do_gc
2750
2751        .mbar.repository add command -label [mc "Verify Database"] \
2752                -command do_fsck_objects
2753
2754        .mbar.repository add separator
2755
2756        if {[is_Cygwin]} {
2757                .mbar.repository add command \
2758                        -label [mc "Create Desktop Icon"] \
2759                        -command do_cygwin_shortcut
2760        } elseif {[is_Windows]} {
2761                .mbar.repository add command \
2762                        -label [mc "Create Desktop Icon"] \
2763                        -command do_windows_shortcut
2764        } elseif {[is_MacOSX]} {
2765                .mbar.repository add command \
2766                        -label [mc "Create Desktop Icon"] \
2767                        -command do_macosx_app
2768        }
2769}
2770
2771if {[is_MacOSX]} {
2772        proc ::tk::mac::Quit {args} { do_quit }
2773} else {
2774        .mbar.repository add command -label [mc Quit] \
2775                -command do_quit \
2776                -accelerator $M1T-Q
2777}
2778
2779# -- Edit Menu
2780#
2781menu .mbar.edit
2782.mbar.edit add command -label [mc Undo] \
2783        -command {catch {[focus] edit undo}} \
2784        -accelerator $M1T-Z
2785.mbar.edit add command -label [mc Redo] \
2786        -command {catch {[focus] edit redo}} \
2787        -accelerator $M1T-Y
2788.mbar.edit add separator
2789.mbar.edit add command -label [mc Cut] \
2790        -command {catch {tk_textCut [focus]}} \
2791        -accelerator $M1T-X
2792.mbar.edit add command -label [mc Copy] \
2793        -command {catch {tk_textCopy [focus]}} \
2794        -accelerator $M1T-C
2795.mbar.edit add command -label [mc Paste] \
2796        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2797        -accelerator $M1T-V
2798.mbar.edit add command -label [mc Delete] \
2799        -command {catch {[focus] delete sel.first sel.last}} \
2800        -accelerator Del
2801.mbar.edit add separator
2802.mbar.edit add command -label [mc "Select All"] \
2803        -command {catch {[focus] tag add sel 0.0 end}} \
2804        -accelerator $M1T-A
2805
2806# -- Branch Menu
2807#
2808if {[is_enabled branch]} {
2809        menu .mbar.branch
2810
2811        .mbar.branch add command -label [mc "Create..."] \
2812                -command branch_create::dialog \
2813                -accelerator $M1T-N
2814        lappend disable_on_lock [list .mbar.branch entryconf \
2815                [.mbar.branch index last] -state]
2816
2817        .mbar.branch add command -label [mc "Checkout..."] \
2818                -command branch_checkout::dialog \
2819                -accelerator $M1T-O
2820        lappend disable_on_lock [list .mbar.branch entryconf \
2821                [.mbar.branch index last] -state]
2822
2823        .mbar.branch add command -label [mc "Rename..."] \
2824                -command branch_rename::dialog
2825        lappend disable_on_lock [list .mbar.branch entryconf \
2826                [.mbar.branch index last] -state]
2827
2828        .mbar.branch add command -label [mc "Delete..."] \
2829                -command branch_delete::dialog
2830        lappend disable_on_lock [list .mbar.branch entryconf \
2831                [.mbar.branch index last] -state]
2832
2833        .mbar.branch add command -label [mc "Reset..."] \
2834                -command merge::reset_hard
2835        lappend disable_on_lock [list .mbar.branch entryconf \
2836                [.mbar.branch index last] -state]
2837}
2838
2839# -- Commit Menu
2840#
2841proc commit_btn_caption {} {
2842        if {[is_enabled nocommit]} {
2843                return [mc "Done"]
2844        } else {
2845                return [mc Commit@@verb]
2846        }
2847}
2848
2849if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2850        menu .mbar.commit
2851
2852        if {![is_enabled nocommit]} {
2853                .mbar.commit add radiobutton \
2854                        -label [mc "New Commit"] \
2855                        -command do_select_commit_type \
2856                        -variable selected_commit_type \
2857                        -value new
2858                lappend disable_on_lock \
2859                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2860
2861                .mbar.commit add radiobutton \
2862                        -label [mc "Amend Last Commit"] \
2863                        -command do_select_commit_type \
2864                        -variable selected_commit_type \
2865                        -value amend
2866                lappend disable_on_lock \
2867                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2868
2869                .mbar.commit add separator
2870        }
2871
2872        .mbar.commit add command -label [mc Rescan] \
2873                -command ui_do_rescan \
2874                -accelerator F5
2875        lappend disable_on_lock \
2876                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2877
2878        .mbar.commit add command -label [mc "Stage To Commit"] \
2879                -command do_add_selection \
2880                -accelerator $M1T-T
2881        lappend disable_on_lock \
2882                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2883
2884        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2885                -command do_add_all \
2886                -accelerator $M1T-I
2887        lappend disable_on_lock \
2888                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2889
2890        .mbar.commit add command -label [mc "Unstage From Commit"] \
2891                -command do_unstage_selection \
2892                -accelerator $M1T-U
2893        lappend disable_on_lock \
2894                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2895
2896        .mbar.commit add command -label [mc "Revert Changes"] \
2897                -command do_revert_selection \
2898                -accelerator $M1T-J
2899        lappend disable_on_lock \
2900                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2901
2902        .mbar.commit add separator
2903
2904        .mbar.commit add command -label [mc "Show Less Context"] \
2905                -command show_less_context \
2906                -accelerator $M1T-\-
2907
2908        .mbar.commit add command -label [mc "Show More Context"] \
2909                -command show_more_context \
2910                -accelerator $M1T-=
2911
2912        .mbar.commit add separator
2913
2914        if {![is_enabled nocommitmsg]} {
2915                .mbar.commit add command -label [mc "Sign Off"] \
2916                        -command do_signoff \
2917                        -accelerator $M1T-S
2918        }
2919
2920        .mbar.commit add command -label [commit_btn_caption] \
2921                -command do_commit \
2922                -accelerator $M1T-Return
2923        lappend disable_on_lock \
2924                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2925}
2926
2927# -- Merge Menu
2928#
2929if {[is_enabled branch]} {
2930        menu .mbar.merge
2931        .mbar.merge add command -label [mc "Local Merge..."] \
2932                -command merge::dialog \
2933                -accelerator $M1T-M
2934        lappend disable_on_lock \
2935                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2936        .mbar.merge add command -label [mc "Abort Merge..."] \
2937                -command merge::reset_hard
2938        lappend disable_on_lock \
2939                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2940}
2941
2942# -- Transport Menu
2943#
2944if {[is_enabled transport]} {
2945        menu .mbar.remote
2946
2947        .mbar.remote add command \
2948                -label [mc "Add..."] \
2949                -command remote_add::dialog \
2950                -accelerator $M1T-A
2951        .mbar.remote add command \
2952                -label [mc "Push..."] \
2953                -command do_push_anywhere \
2954                -accelerator $M1T-P
2955        .mbar.remote add command \
2956                -label [mc "Delete Branch..."] \
2957                -command remote_branch_delete::dialog
2958}
2959
2960if {[is_MacOSX]} {
2961        proc ::tk::mac::ShowPreferences {} {do_options}
2962} else {
2963        # -- Edit Menu
2964        #
2965        .mbar.edit add separator
2966        .mbar.edit add command -label [mc "Options..."] \
2967                -command do_options
2968}
2969
2970# -- Tools Menu
2971#
2972if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2973        set tools_menubar .mbar.tools
2974        menu $tools_menubar
2975        $tools_menubar add separator
2976        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2977        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2978        set tools_tailcnt 3
2979        if {[array names repo_config guitool.*.cmd] ne {}} {
2980                tools_populate_all
2981        }
2982}
2983
2984# -- Help Menu
2985#
2986.mbar add cascade -label [mc Help] -menu .mbar.help
2987menu .mbar.help
2988
2989if {[is_MacOSX]} {
2990        .mbar.apple add command -label [mc "About %s" [appname]] \
2991                -command do_about
2992        .mbar.apple add separator
2993} else {
2994        .mbar.help add command -label [mc "About %s" [appname]] \
2995                -command do_about
2996}
2997. configure -menu .mbar
2998
2999set doc_path [githtmldir]
3000if {$doc_path ne {}} {
3001        set doc_path [file join $doc_path index.html]
3002
3003        if {[is_Cygwin]} {
3004                set doc_path [exec cygpath --mixed $doc_path]
3005        }
3006}
3007
3008if {[file isfile $doc_path]} {
3009        set doc_url "file:$doc_path"
3010} else {
3011        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
3012}
3013
3014proc start_browser {url} {
3015        git "web--browse" $url
3016}
3017
3018.mbar.help add command -label [mc "Online Documentation"] \
3019        -command [list start_browser $doc_url]
3020
3021.mbar.help add command -label [mc "Show SSH Key"] \
3022        -command do_ssh_key
3023
3024unset doc_path doc_url
3025
3026# -- Standard bindings
3027#
3028wm protocol . WM_DELETE_WINDOW do_quit
3029bind all <$M1B-Key-q> do_quit
3030bind all <$M1B-Key-Q> do_quit
3031bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3032bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3033
3034set subcommand_args {}
3035proc usage {} {
3036        set s "[mc usage:] $::argv0 $::subcommand $::subcommand_args"
3037        if {[tk windowingsystem] eq "win32"} {
3038                wm withdraw .
3039                tk_messageBox -icon info -message $s \
3040                        -title [mc "Usage"]
3041        } else {
3042                puts stderr $s
3043        }
3044        exit 1
3045}
3046
3047proc normalize_relpath {path} {
3048        set elements {}
3049        foreach item [file split $path] {
3050                if {$item eq {.}} continue
3051                if {$item eq {..} && [llength $elements] > 0
3052                    && [lindex $elements end] ne {..}} {
3053                        set elements [lrange $elements 0 end-1]
3054                        continue
3055                }
3056                lappend elements $item
3057        }
3058        return [eval file join $elements]
3059}
3060
3061# -- Not a normal commit type invocation?  Do that instead!
3062#
3063switch -- $subcommand {
3064browser -
3065blame {
3066        if {$subcommand eq "blame"} {
3067                set subcommand_args {[--line=<num>] rev? path}
3068        } else {
3069                set subcommand_args {rev? path}
3070        }
3071        if {$argv eq {}} usage
3072        set head {}
3073        set path {}
3074        set jump_spec {}
3075        set is_path 0
3076        foreach a $argv {
3077                set p [file join $_prefix $a]
3078
3079                if {$is_path || [file exists $p]} {
3080                        if {$path ne {}} usage
3081                        set path [normalize_relpath $p]
3082                        break
3083                } elseif {$a eq {--}} {
3084                        if {$path ne {}} {
3085                                if {$head ne {}} usage
3086                                set head $path
3087                                set path {}
3088                        }
3089                        set is_path 1
3090                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3091                        if {$jump_spec ne {} || $head ne {}} usage
3092                        set jump_spec [list $lnum]
3093                } elseif {$head eq {}} {
3094                        if {$head ne {}} usage
3095                        set head $a
3096                        set is_path 1
3097                } else {
3098                        usage
3099                }
3100        }
3101        unset is_path
3102
3103        if {$head ne {} && $path eq {}} {
3104                if {[string index $head 0] eq {/}} {
3105                        set path [normalize_relpath $head]
3106                        set head {}
3107                } else {
3108                        set path [normalize_relpath $_prefix$head]
3109                        set head {}
3110                }
3111        }
3112
3113        if {$head eq {}} {
3114                load_current_branch
3115        } else {
3116                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3117                        if {[catch {
3118                                        set head [git rev-parse --verify $head]
3119                                } err]} {
3120                                if {[tk windowingsystem] eq "win32"} {
3121                                        tk_messageBox -icon error -title [mc Error] -message $err
3122                                } else {
3123                                        puts stderr $err
3124                                }
3125                                exit 1
3126                        }
3127                }
3128                set current_branch $head
3129        }
3130
3131        wm deiconify .
3132        switch -- $subcommand {
3133        browser {
3134                if {$jump_spec ne {}} usage
3135                if {$head eq {}} {
3136                        if {$path ne {} && [file isdirectory $path]} {
3137                                set head $current_branch
3138                        } else {
3139                                set head $path
3140                                set path {}
3141                        }
3142                }
3143                browser::new $head $path
3144        }
3145        blame   {
3146                if {$head eq {} && ![file exists $path]} {
3147                        catch {wm withdraw .}
3148                        tk_messageBox \
3149                                -icon error \
3150                                -type ok \
3151                                -title [mc "git-gui: fatal error"] \
3152                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3153                        exit 1
3154                }
3155                blame::new $head $path $jump_spec
3156        }
3157        }
3158        return
3159}
3160citool -
3161gui {
3162        if {[llength $argv] != 0} {
3163                usage
3164        }
3165        # fall through to setup UI for commits
3166}
3167default {
3168        set err "[mc usage:] $argv0 \[{blame|browser|citool}\]"
3169        if {[tk windowingsystem] eq "win32"} {
3170                wm withdraw .
3171                tk_messageBox -icon error -message $err \
3172                        -title [mc "Usage"]
3173        } else {
3174                puts stderr $err
3175        }
3176        exit 1
3177}
3178}
3179
3180# -- Branch Control
3181#
3182${NS}::frame .branch
3183if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3184${NS}::label .branch.l1 \
3185        -text [mc "Current Branch:"] \
3186        -anchor w \
3187        -justify left
3188${NS}::label .branch.cb \
3189        -textvariable current_branch \
3190        -anchor w \
3191        -justify left
3192pack .branch.l1 -side left
3193pack .branch.cb -side left -fill x
3194pack .branch -side top -fill x
3195
3196# -- Main Window Layout
3197#
3198${NS}::panedwindow .vpane -orient horizontal
3199${NS}::panedwindow .vpane.files -orient vertical
3200if {$use_ttk} {
3201        .vpane add .vpane.files
3202} else {
3203        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3204}
3205pack .vpane -anchor n -side top -fill both -expand 1
3206
3207# -- Working Directory File List
3208
3209textframe .vpane.files.workdir -height 100 -width 200
3210tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3211        -background lightsalmon -foreground black
3212ttext $ui_workdir -background white -foreground black \
3213        -borderwidth 0 \
3214        -width 20 -height 10 \
3215        -wrap none \
3216        -takefocus 1 -highlightthickness 1\
3217        -cursor $cursor_ptr \
3218        -xscrollcommand {.vpane.files.workdir.sx set} \
3219        -yscrollcommand {.vpane.files.workdir.sy set} \
3220        -state disabled
3221${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3222${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3223pack .vpane.files.workdir.title -side top -fill x
3224pack .vpane.files.workdir.sx -side bottom -fill x
3225pack .vpane.files.workdir.sy -side right -fill y
3226pack $ui_workdir -side left -fill both -expand 1
3227
3228# -- Index File List
3229#
3230textframe .vpane.files.index -height 100 -width 200
3231tlabel .vpane.files.index.title \
3232        -text [mc "Staged Changes (Will Commit)"] \
3233        -background lightgreen -foreground black
3234ttext $ui_index -background white -foreground black \
3235        -borderwidth 0 \
3236        -width 20 -height 10 \
3237        -wrap none \
3238        -takefocus 1 -highlightthickness 1\
3239        -cursor $cursor_ptr \
3240        -xscrollcommand {.vpane.files.index.sx set} \
3241        -yscrollcommand {.vpane.files.index.sy set} \
3242        -state disabled
3243${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3244${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3245pack .vpane.files.index.title -side top -fill x
3246pack .vpane.files.index.sx -side bottom -fill x
3247pack .vpane.files.index.sy -side right -fill y
3248pack $ui_index -side left -fill both -expand 1
3249
3250# -- Insert the workdir and index into the panes
3251#
3252.vpane.files add .vpane.files.workdir
3253.vpane.files add .vpane.files.index
3254if {!$use_ttk} {
3255        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3256        .vpane.files paneconfigure .vpane.files.index -sticky news
3257}
3258
3259foreach i [list $ui_index $ui_workdir] {
3260        rmsel_tag $i
3261        $i tag conf in_diff -background [$i tag cget in_sel -background]
3262}
3263unset i
3264
3265# -- Diff and Commit Area
3266#
3267if {$have_tk85} {
3268        ${NS}::panedwindow .vpane.lower -orient vertical
3269        ${NS}::frame .vpane.lower.commarea
3270        ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3271        .vpane.lower add .vpane.lower.diff
3272        .vpane.lower add .vpane.lower.commarea
3273        .vpane add .vpane.lower
3274        if {$use_ttk} {
3275                .vpane.lower pane .vpane.lower.diff -weight 1
3276                .vpane.lower pane .vpane.lower.commarea -weight 0
3277        } else {
3278                .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3279                .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3280        }
3281} else {
3282        frame .vpane.lower -height 300 -width 400
3283        frame .vpane.lower.commarea
3284        frame .vpane.lower.diff -relief sunken -borderwidth 1
3285        pack .vpane.lower.diff -fill both -expand 1
3286        pack .vpane.lower.commarea -side bottom -fill x
3287        .vpane add .vpane.lower
3288        .vpane paneconfigure .vpane.lower -sticky nsew
3289}
3290
3291# -- Commit Area Buttons
3292#
3293${NS}::frame .vpane.lower.commarea.buttons
3294${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3295        -anchor w \
3296        -justify left
3297pack .vpane.lower.commarea.buttons.l -side top -fill x
3298pack .vpane.lower.commarea.buttons -side left -fill y
3299
3300${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3301        -command ui_do_rescan
3302pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3303lappend disable_on_lock \
3304        {.vpane.lower.commarea.buttons.rescan conf -state}
3305
3306${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3307        -command do_add_all
3308pack .vpane.lower.commarea.buttons.incall -side top -fill x
3309lappend disable_on_lock \
3310        {.vpane.lower.commarea.buttons.incall conf -state}
3311
3312if {![is_enabled nocommitmsg]} {
3313        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3314                -command do_signoff
3315        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3316}
3317
3318${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3319        -command do_commit
3320pack .vpane.lower.commarea.buttons.commit -side top -fill x
3321lappend disable_on_lock \
3322        {.vpane.lower.commarea.buttons.commit conf -state}
3323
3324if {![is_enabled nocommit]} {
3325        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3326                -command do_push_anywhere
3327        pack .vpane.lower.commarea.buttons.push -side top -fill x
3328}
3329
3330# -- Commit Message Buffer
3331#
3332${NS}::frame .vpane.lower.commarea.buffer
3333${NS}::frame .vpane.lower.commarea.buffer.header
3334set ui_comm .vpane.lower.commarea.buffer.frame.t
3335set ui_coml .vpane.lower.commarea.buffer.header.l
3336
3337if {![is_enabled nocommit]} {
3338        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3339                -text [mc "New Commit"] \
3340                -command do_select_commit_type \
3341                -variable selected_commit_type \
3342                -value new
3343        lappend disable_on_lock \
3344                [list .vpane.lower.commarea.buffer.header.new conf -state]
3345        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3346                -text [mc "Amend Last Commit"] \
3347                -command do_select_commit_type \
3348                -variable selected_commit_type \
3349                -value amend
3350        lappend disable_on_lock \
3351                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3352}
3353
3354${NS}::label $ui_coml \
3355        -anchor w \
3356        -justify left
3357proc trace_commit_type {varname args} {
3358        global ui_coml commit_type
3359        switch -glob -- $commit_type {
3360        initial       {set txt [mc "Initial Commit Message:"]}
3361        amend         {set txt [mc "Amended Commit Message:"]}
3362        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3363        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3364        merge         {set txt [mc "Merge Commit Message:"]}
3365        *             {set txt [mc "Commit Message:"]}
3366        }
3367        $ui_coml conf -text $txt
3368}
3369trace add variable commit_type write trace_commit_type
3370pack $ui_coml -side left -fill x
3371
3372if {![is_enabled nocommit]} {
3373        pack .vpane.lower.commarea.buffer.header.amend -side right
3374        pack .vpane.lower.commarea.buffer.header.new -side right
3375}
3376
3377textframe .vpane.lower.commarea.buffer.frame
3378ttext $ui_comm -background white -foreground black \
3379        -borderwidth 1 \
3380        -undo true \
3381        -maxundo 20 \
3382        -autoseparators true \
3383        -takefocus 1 \
3384        -highlightthickness 1 \
3385        -relief sunken \
3386        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3387        -font font_diff \
3388        -yscrollcommand {.vpane.lower.commarea.buffer.frame.sby set}
3389${NS}::scrollbar .vpane.lower.commarea.buffer.frame.sby \
3390        -command [list $ui_comm yview]
3391
3392pack .vpane.lower.commarea.buffer.frame.sby -side right -fill y
3393pack $ui_comm -side left -fill y
3394pack .vpane.lower.commarea.buffer.header -side top -fill x
3395pack .vpane.lower.commarea.buffer.frame -side left -fill y
3396pack .vpane.lower.commarea.buffer -side left -fill y
3397
3398# -- Commit Message Buffer Context Menu
3399#
3400set ctxm .vpane.lower.commarea.buffer.ctxm
3401menu $ctxm -tearoff 0
3402$ctxm add command \
3403        -label [mc Cut] \
3404        -command {tk_textCut $ui_comm}
3405$ctxm add command \
3406        -label [mc Copy] \
3407        -command {tk_textCopy $ui_comm}
3408$ctxm add command \
3409        -label [mc Paste] \
3410        -command {tk_textPaste $ui_comm}
3411$ctxm add command \
3412        -label [mc Delete] \
3413        -command {catch {$ui_comm delete sel.first sel.last}}
3414$ctxm add separator
3415$ctxm add command \
3416        -label [mc "Select All"] \
3417        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3418$ctxm add command \
3419        -label [mc "Copy All"] \
3420        -command {
3421                $ui_comm tag add sel 0.0 end
3422                tk_textCopy $ui_comm
3423                $ui_comm tag remove sel 0.0 end
3424        }
3425$ctxm add separator
3426$ctxm add command \
3427        -label [mc "Sign Off"] \
3428        -command do_signoff
3429set ui_comm_ctxm $ctxm
3430
3431# -- Diff Header
3432#
3433proc trace_current_diff_path {varname args} {
3434        global current_diff_path diff_actions file_states
3435        if {$current_diff_path eq {}} {
3436                set s {}
3437                set f {}
3438                set p {}
3439                set o disabled
3440        } else {
3441                set p $current_diff_path
3442                set s [mapdesc [lindex $file_states($p) 0] $p]
3443                set f [mc "File:"]
3444                set p [escape_path $p]
3445                set o normal
3446        }
3447
3448        .vpane.lower.diff.header.status configure -text $s
3449        .vpane.lower.diff.header.file configure -text $f
3450        .vpane.lower.diff.header.path configure -text $p
3451        foreach w $diff_actions {
3452                uplevel #0 $w $o
3453        }
3454}
3455trace add variable current_diff_path write trace_current_diff_path
3456
3457gold_frame .vpane.lower.diff.header
3458tlabel .vpane.lower.diff.header.status \
3459        -background gold \
3460        -foreground black \
3461        -width $max_status_desc \
3462        -anchor w \
3463        -justify left
3464tlabel .vpane.lower.diff.header.file \
3465        -background gold \
3466        -foreground black \
3467        -anchor w \
3468        -justify left
3469tlabel .vpane.lower.diff.header.path \
3470        -background gold \
3471        -foreground black \
3472        -anchor w \
3473        -justify left
3474pack .vpane.lower.diff.header.status -side left
3475pack .vpane.lower.diff.header.file -side left
3476pack .vpane.lower.diff.header.path -fill x
3477set ctxm .vpane.lower.diff.header.ctxm
3478menu $ctxm -tearoff 0
3479$ctxm add command \
3480        -label [mc Copy] \
3481        -command {
3482                clipboard clear
3483                clipboard append \
3484                        -format STRING \
3485                        -type STRING \
3486                        -- $current_diff_path
3487        }
3488lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3489bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3490
3491# -- Diff Body
3492#
3493textframe .vpane.lower.diff.body
3494set ui_diff .vpane.lower.diff.body.t
3495ttext $ui_diff -background white -foreground black \
3496        -borderwidth 0 \
3497        -width 80 -height 5 -wrap none \
3498        -font font_diff \
3499        -takefocus 1 -highlightthickness 1 \
3500        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3501        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3502        -state disabled
3503catch {$ui_diff configure -tabstyle wordprocessor}
3504${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3505        -command [list $ui_diff xview]
3506${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3507        -command [list $ui_diff yview]
3508pack .vpane.lower.diff.body.sbx -side bottom -fill x
3509pack .vpane.lower.diff.body.sby -side right -fill y
3510pack $ui_diff -side left -fill both -expand 1
3511pack .vpane.lower.diff.header -side top -fill x
3512pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3513
3514foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3515        $ui_diff tag configure clr4$n -background $c
3516        $ui_diff tag configure clri4$n -foreground $c
3517        $ui_diff tag configure clr3$n -foreground $c
3518        $ui_diff tag configure clri3$n -background $c
3519}
3520$ui_diff tag configure clr1 -font font_diffbold
3521$ui_diff tag configure clr4 -underline 1
3522
3523$ui_diff tag conf d_info -foreground blue -font font_diffbold
3524
3525$ui_diff tag conf d_cr -elide true
3526$ui_diff tag conf d_@ -font font_diffbold
3527$ui_diff tag conf d_+ -foreground {#00a000}
3528$ui_diff tag conf d_- -foreground red
3529
3530$ui_diff tag conf d_++ -foreground {#00a000}
3531$ui_diff tag conf d_-- -foreground red
3532$ui_diff tag conf d_+s \
3533        -foreground {#00a000} \
3534        -background {#e2effa}
3535$ui_diff tag conf d_-s \
3536        -foreground red \
3537        -background {#e2effa}
3538$ui_diff tag conf d_s+ \
3539        -foreground {#00a000} \
3540        -background ivory1
3541$ui_diff tag conf d_s- \
3542        -foreground red \
3543        -background ivory1
3544
3545$ui_diff tag conf d< \
3546        -foreground orange \
3547        -font font_diffbold
3548$ui_diff tag conf d= \
3549        -foreground orange \
3550        -font font_diffbold
3551$ui_diff tag conf d> \
3552        -foreground orange \
3553        -font font_diffbold
3554
3555$ui_diff tag raise sel
3556
3557# -- Diff Body Context Menu
3558#
3559
3560proc create_common_diff_popup {ctxm} {
3561        $ctxm add command \
3562                -label [mc Refresh] \
3563                -command reshow_diff
3564        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3565        $ctxm add command \
3566                -label [mc Copy] \
3567                -command {tk_textCopy $ui_diff}
3568        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3569        $ctxm add command \
3570                -label [mc "Select All"] \
3571                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3572        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3573        $ctxm add command \
3574                -label [mc "Copy All"] \
3575                -command {
3576                        $ui_diff tag add sel 0.0 end
3577                        tk_textCopy $ui_diff
3578                        $ui_diff tag remove sel 0.0 end
3579                }
3580        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3581        $ctxm add separator
3582        $ctxm add command \
3583                -label [mc "Decrease Font Size"] \
3584                -command {incr_font_size font_diff -1}
3585        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3586        $ctxm add command \
3587                -label [mc "Increase Font Size"] \
3588                -command {incr_font_size font_diff 1}
3589        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3590        $ctxm add separator
3591        set emenu $ctxm.enc
3592        menu $emenu
3593        build_encoding_menu $emenu [list force_diff_encoding]
3594        $ctxm add cascade \
3595                -label [mc "Encoding"] \
3596                -menu $emenu
3597        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3598        $ctxm add separator
3599        $ctxm add command -label [mc "Options..."] \
3600                -command do_options
3601}
3602
3603set ctxm .vpane.lower.diff.body.ctxm
3604menu $ctxm -tearoff 0
3605$ctxm add command \
3606        -label [mc "Apply/Reverse Hunk"] \
3607        -command {apply_hunk $cursorX $cursorY}
3608set ui_diff_applyhunk [$ctxm index last]
3609lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3610$ctxm add command \
3611        -label [mc "Apply/Reverse Line"] \
3612        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3613set ui_diff_applyline [$ctxm index last]
3614lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3615$ctxm add separator
3616$ctxm add command \
3617        -label [mc "Show Less Context"] \
3618        -command show_less_context
3619lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3620$ctxm add command \
3621        -label [mc "Show More Context"] \
3622        -command show_more_context
3623lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3624$ctxm add separator
3625create_common_diff_popup $ctxm
3626
3627set ctxmmg .vpane.lower.diff.body.ctxmmg
3628menu $ctxmmg -tearoff 0
3629$ctxmmg add command \
3630        -label [mc "Run Merge Tool"] \
3631        -command {merge_resolve_tool}
3632lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3633$ctxmmg add separator
3634$ctxmmg add command \
3635        -label [mc "Use Remote Version"] \
3636        -command {merge_resolve_one 3}
3637lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3638$ctxmmg add command \
3639        -label [mc "Use Local Version"] \
3640        -command {merge_resolve_one 2}
3641lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3642$ctxmmg add command \
3643        -label [mc "Revert To Base"] \
3644        -command {merge_resolve_one 1}
3645lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3646$ctxmmg add separator
3647$ctxmmg add command \
3648        -label [mc "Show Less Context"] \
3649        -command show_less_context
3650lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3651$ctxmmg add command \
3652        -label [mc "Show More Context"] \
3653        -command show_more_context
3654lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3655$ctxmmg add separator
3656create_common_diff_popup $ctxmmg
3657
3658set ctxmsm .vpane.lower.diff.body.ctxmsm
3659menu $ctxmsm -tearoff 0
3660$ctxmsm add command \
3661        -label [mc "Visualize These Changes In The Submodule"] \
3662        -command {do_gitk -- true}
3663lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3664$ctxmsm add command \
3665        -label [mc "Visualize Current Branch History In The Submodule"] \
3666        -command {do_gitk {} true}
3667lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3668$ctxmsm add command \
3669        -label [mc "Visualize All Branch History In The Submodule"] \
3670        -command {do_gitk --all true}
3671lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3672$ctxmsm add separator
3673$ctxmsm add command \
3674        -label [mc "Start git gui In The Submodule"] \
3675        -command {do_git_gui}
3676lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3677$ctxmsm add separator
3678create_common_diff_popup $ctxmsm
3679
3680proc has_textconv {path} {
3681        if {[is_config_false gui.textconv]} {
3682                return 0
3683        }
3684        set filter [gitattr $path diff set]
3685        set textconv [get_config [join [list diff $filter textconv] .]]
3686        if {$filter ne {set} && $textconv ne {}} {
3687                return 1
3688        } else {
3689                return 0
3690        }
3691}
3692
3693proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3694        global current_diff_path file_states
3695        set ::cursorX $x
3696        set ::cursorY $y
3697        if {[info exists file_states($current_diff_path)]} {
3698                set state [lindex $file_states($current_diff_path) 0]
3699        } else {
3700                set state {__}
3701        }
3702        if {[string first {U} $state] >= 0} {
3703                tk_popup $ctxmmg $X $Y
3704        } elseif {$::is_submodule_diff} {
3705                tk_popup $ctxmsm $X $Y
3706        } else {
3707                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3708                if {$::ui_index eq $::current_diff_side} {
3709                        set l [mc "Unstage Hunk From Commit"]
3710                        if {$has_range} {
3711                                set t [mc "Unstage Lines From Commit"]
3712                        } else {
3713                                set t [mc "Unstage Line From Commit"]
3714                        }
3715                } else {
3716                        set l [mc "Stage Hunk For Commit"]
3717                        if {$has_range} {
3718                                set t [mc "Stage Lines For Commit"]
3719                        } else {
3720                                set t [mc "Stage Line For Commit"]
3721                        }
3722                }
3723                if {$::is_3way_diff
3724                        || $current_diff_path eq {}
3725                        || {__} eq $state
3726                        || {_O} eq $state
3727                        || [string match {?T} $state]
3728                        || [string match {T?} $state]
3729                        || [has_textconv $current_diff_path]} {
3730                        set s disabled
3731                } else {
3732                        set s normal
3733                }
3734                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3735                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3736                tk_popup $ctxm $X $Y
3737        }
3738}
3739bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3740
3741# -- Status Bar
3742#
3743set main_status [::status_bar::new .status]
3744pack .status -anchor w -side bottom -fill x
3745$main_status show [mc "Initializing..."]
3746
3747# -- Load geometry
3748#
3749proc on_ttk_pane_mapped {w pane pos} {
3750        bind $w <Map> {}
3751        after 0 [list after idle [list $w sashpos $pane $pos]]
3752}
3753proc on_tk_pane_mapped {w pane x y} {
3754        bind $w <Map> {}
3755        after 0 [list after idle [list $w sash place $pane $x $y]]
3756}
3757proc on_application_mapped {} {
3758        global repo_config use_ttk
3759        bind . <Map> {}
3760        set gm $repo_config(gui.geometry)
3761        if {$use_ttk} {
3762                bind .vpane <Map> \
3763                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3764                bind .vpane.files <Map> \
3765                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3766        } else {
3767                bind .vpane <Map> \
3768                    [list on_tk_pane_mapped %W 0 \
3769                         [lindex $gm 1] \
3770                         [lindex [.vpane sash coord 0] 1]]
3771                bind .vpane.files <Map> \
3772                    [list on_tk_pane_mapped %W 0 \
3773                         [lindex [.vpane.files sash coord 0] 0] \
3774                         [lindex $gm 2]]
3775        }
3776        wm geometry . [lindex $gm 0]
3777}
3778if {[info exists repo_config(gui.geometry)]} {
3779        bind . <Map> [list on_application_mapped]
3780        wm geometry . [lindex $repo_config(gui.geometry) 0]
3781}
3782
3783# -- Load window state
3784#
3785if {[info exists repo_config(gui.wmstate)]} {
3786        catch {wm state . $repo_config(gui.wmstate)}
3787}
3788
3789# -- Key Bindings
3790#
3791bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3792bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3793bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3794bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3795bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3796bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3797bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3798bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3799bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3800bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3801bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3802bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3803bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3804bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3805bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3806bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3807bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3808bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3809bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3810bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3811bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3812bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3813
3814bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3815bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3816bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3817bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3818bind $ui_diff <$M1B-Key-v> {break}
3819bind $ui_diff <$M1B-Key-V> {break}
3820bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3821bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3822bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3823bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3824bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3825bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3826bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3827bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3828bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3829bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3830bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3831bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3832bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3833bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3834bind $ui_diff <Button-1>   {focus %W}
3835
3836if {[is_enabled branch]} {
3837        bind . <$M1B-Key-n> branch_create::dialog
3838        bind . <$M1B-Key-N> branch_create::dialog
3839        bind . <$M1B-Key-o> branch_checkout::dialog
3840        bind . <$M1B-Key-O> branch_checkout::dialog
3841        bind . <$M1B-Key-m> merge::dialog
3842        bind . <$M1B-Key-M> merge::dialog
3843}
3844if {[is_enabled transport]} {
3845        bind . <$M1B-Key-p> do_push_anywhere
3846        bind . <$M1B-Key-P> do_push_anywhere
3847}
3848
3849bind .   <Key-F5>     ui_do_rescan
3850bind .   <$M1B-Key-r> ui_do_rescan
3851bind .   <$M1B-Key-R> ui_do_rescan
3852bind .   <$M1B-Key-s> do_signoff
3853bind .   <$M1B-Key-S> do_signoff
3854bind .   <$M1B-Key-t> { toggle_or_diff toggle %W }
3855bind .   <$M1B-Key-T> { toggle_or_diff toggle %W }
3856bind .   <$M1B-Key-u> { toggle_or_diff toggle %W }
3857bind .   <$M1B-Key-U> { toggle_or_diff toggle %W }
3858bind .   <$M1B-Key-j> do_revert_selection
3859bind .   <$M1B-Key-J> do_revert_selection
3860bind .   <$M1B-Key-i> do_add_all
3861bind .   <$M1B-Key-I> do_add_all
3862bind .   <$M1B-Key-minus> {show_less_context;break}
3863bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3864bind .   <$M1B-Key-equal> {show_more_context;break}
3865bind .   <$M1B-Key-plus> {show_more_context;break}
3866bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3867bind .   <$M1B-Key-Return> do_commit
3868foreach i [list $ui_index $ui_workdir] {
3869        bind $i <Button-1>       { toggle_or_diff click %W %x %y; break }
3870        bind $i <$M1B-Button-1>  { add_one_to_selection %W %x %y; break }
3871        bind $i <Shift-Button-1> { add_range_to_selection %W %x %y; break }
3872        bind $i <Key-Up>         { toggle_or_diff up %W; break }
3873        bind $i <Key-Down>       { toggle_or_diff down %W; break }
3874}
3875unset i
3876
3877bind .   <Alt-Key-1> {focus_widget $::ui_workdir}
3878bind .   <Alt-Key-2> {focus_widget $::ui_index}
3879bind .   <Alt-Key-3> {focus $::ui_diff}
3880bind .   <Alt-Key-4> {focus $::ui_comm}
3881
3882set file_lists_last_clicked($ui_index) {}
3883set file_lists_last_clicked($ui_workdir) {}
3884
3885set file_lists($ui_index) [list]
3886set file_lists($ui_workdir) [list]
3887
3888wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3889focus -force $ui_comm
3890
3891# -- Warn the user about environmental problems.  Cygwin's Tcl
3892#    does *not* pass its env array onto any processes it spawns.
3893#    This means that git processes get none of our environment.
3894#
3895if {[is_Cygwin]} {
3896        set ignored_env 0
3897        set suggest_user {}
3898        set msg [mc "Possible environment issues exist.
3899
3900The following environment variables are probably
3901going to be ignored by any Git subprocess run
3902by %s:
3903
3904" [appname]]
3905        foreach name [array names env] {
3906                switch -regexp -- $name {
3907                {^GIT_INDEX_FILE$} -
3908                {^GIT_OBJECT_DIRECTORY$} -
3909                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3910                {^GIT_DIFF_OPTS$} -
3911                {^GIT_EXTERNAL_DIFF$} -
3912                {^GIT_PAGER$} -
3913                {^GIT_TRACE$} -
3914                {^GIT_CONFIG$} -
3915                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3916                        append msg " - $name\n"
3917                        incr ignored_env
3918                }
3919                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3920                        append msg " - $name\n"
3921                        incr ignored_env
3922                        set suggest_user $name
3923                }
3924                }
3925        }
3926        if {$ignored_env > 0} {
3927                append msg [mc "
3928This is due to a known issue with the
3929Tcl binary distributed by Cygwin."]
3930
3931                if {$suggest_user ne {}} {
3932                        append msg [mc "
3933
3934A good replacement for %s
3935is placing values for the user.name and
3936user.email settings into your personal
3937~/.gitconfig file.
3938" $suggest_user]
3939                }
3940                warn_popup $msg
3941        }
3942        unset ignored_env msg suggest_user name
3943}
3944
3945# -- Only initialize complex UI if we are going to stay running.
3946#
3947if {[is_enabled transport]} {
3948        load_all_remotes
3949
3950        set n [.mbar.remote index end]
3951        populate_remotes_menu
3952        set n [expr {[.mbar.remote index end] - $n}]
3953        if {$n > 0} {
3954                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3955                .mbar.remote insert $n separator
3956        }
3957        unset n
3958}
3959
3960if {[winfo exists $ui_comm]} {
3961        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3962
3963        # -- If both our backup and message files exist use the
3964        #    newer of the two files to initialize the buffer.
3965        #
3966        if {$GITGUI_BCK_exists} {
3967                set m [gitdir GITGUI_MSG]
3968                if {[file isfile $m]} {
3969                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3970                                catch {file delete [gitdir GITGUI_MSG]}
3971                        } else {
3972                                $ui_comm delete 0.0 end
3973                                $ui_comm edit reset
3974                                $ui_comm edit modified false
3975                                catch {file delete [gitdir GITGUI_BCK]}
3976                                set GITGUI_BCK_exists 0
3977                        }
3978                }
3979                unset m
3980        }
3981
3982        proc backup_commit_buffer {} {
3983                global ui_comm GITGUI_BCK_exists
3984
3985                set m [$ui_comm edit modified]
3986                if {$m || $GITGUI_BCK_exists} {
3987                        set msg [string trim [$ui_comm get 0.0 end]]
3988                        regsub -all -line {[ \r\t]+$} $msg {} msg
3989
3990                        if {$msg eq {}} {
3991                                if {$GITGUI_BCK_exists} {
3992                                        catch {file delete [gitdir GITGUI_BCK]}
3993                                        set GITGUI_BCK_exists 0
3994                                }
3995                        } elseif {$m} {
3996                                catch {
3997                                        set fd [open [gitdir GITGUI_BCK] w]
3998                                        fconfigure $fd -encoding utf-8
3999                                        puts -nonewline $fd $msg
4000                                        close $fd
4001                                        set GITGUI_BCK_exists 1
4002                                }
4003                        }
4004
4005                        $ui_comm edit modified false
4006                }
4007
4008                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
4009        }
4010
4011        backup_commit_buffer
4012
4013        # -- If the user has aspell available we can drive it
4014        #    in pipe mode to spellcheck the commit message.
4015        #
4016        set spell_cmd [list |]
4017        set spell_dict [get_config gui.spellingdictionary]
4018        lappend spell_cmd aspell
4019        if {$spell_dict ne {}} {
4020                lappend spell_cmd --master=$spell_dict
4021        }
4022        lappend spell_cmd --mode=none
4023        lappend spell_cmd --encoding=utf-8
4024        lappend spell_cmd pipe
4025        if {$spell_dict eq {none}
4026         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
4027                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
4028        } else {
4029                set ui_comm_spell [spellcheck::init \
4030                        $spell_fd \
4031                        $ui_comm \
4032                        $ui_comm_ctxm \
4033                ]
4034        }
4035        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
4036}
4037
4038lock_index begin-read
4039if {![winfo ismapped .]} {
4040        wm deiconify .
4041}
4042after 1 {
4043        if {[is_enabled initialamend]} {
4044                force_amend
4045        } else {
4046                do_rescan
4047        }
4048
4049        if {[is_enabled nocommitmsg]} {
4050                $ui_comm configure -state disabled -background gray
4051        }
4052}
4053if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4054        after 1000 hint_gc
4055}
4056if {[is_enabled retcode]} {
4057        bind . <Destroy> {+terminate_me %W}
4058}
4059if {$picked && [is_config_true gui.autoexplore]} {
4060        do_explore
4061}
4062
4063# Local variables:
4064# mode: tcl
4065# indent-tabs-mode: t
4066# tab-width: 4
4067# End: