Andrew's git - gitweb.git/blob - git-gui/git-gui.sh

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