git-gui / git-gui.shon commit Merge branch 'dl/branch-error-message' into maint (cbac706)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52if { [info exists ::env(GIT_GUI_LIB_DIR) ] } {
  53        set oguilib $::env(GIT_GUI_LIB_DIR)
  54} else {
  55        set oguilib {@@GITGUI_LIBDIR@@}
  56}
  57set oguirel {@@GITGUI_RELATIVE@@}
  58if {$oguirel eq {1}} {
  59        set oguilib [file dirname [file normalize $argv0]]
  60        if {[file tail $oguilib] eq {git-core}} {
  61                set oguilib [file dirname $oguilib]
  62        }
  63        set oguilib [file dirname $oguilib]
  64        set oguilib [file join $oguilib share git-gui lib]
  65        set oguimsg [file join $oguilib msgs]
  66} elseif {[string match @@* $oguirel]} {
  67        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  68        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  69} else {
  70        set oguimsg [file join $oguilib msgs]
  71}
  72unset oguirel
  73
  74######################################################################
  75##
  76## enable verbose loading?
  77
  78if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  79        unset _verbose
  80        rename auto_load real__auto_load
  81        proc auto_load {name args} {
  82                puts stderr "auto_load $name"
  83                return [uplevel 1 real__auto_load $name $args]
  84        }
  85        rename source real__source
  86        proc source {args} {
  87                puts stderr "source    $args"
  88                uplevel 1 [linsert $args 0 real__source]
  89        }
  90        if {[tk windowingsystem] eq "win32"} { console show }
  91}
  92
  93######################################################################
  94##
  95## Internationalization (i18n) through msgcat and gettext. See
  96## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  97
  98package require msgcat
  99
 100# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
 101if {[tk windowingsystem] eq "win32"
 102        && [package vcompare [package provide msgcat] 1.4.4] < 0
 103} then {
 104        proc _mc_update_locale {} {
 105                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 106                if {![catch {
 107                        package require registry
 108                        set uilocale [registry get $key "PreferredUILanguages"]
 109                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 110                } uilocale]} {
 111                        if {[string length $uilocale] > 0} {
 112                                msgcat::mclocale $uilocale
 113                        }
 114                }
 115        }
 116        _mc_update_locale
 117}
 118
 119proc _mc_trim {fmt} {
 120        set cmk [string first @@ $fmt]
 121        if {$cmk > 0} {
 122                return [string range $fmt 0 [expr {$cmk - 1}]]
 123        }
 124        return $fmt
 125}
 126
 127proc mc {en_fmt args} {
 128        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 129        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 130                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 131        }
 132        return $msg
 133}
 134
 135proc strcat {args} {
 136        return [join $args {}]
 137}
 138
 139::msgcat::mcload $oguimsg
 140unset oguimsg
 141
 142######################################################################
 143##
 144## On Mac, bring the current Wish process window to front
 145
 146if {[tk windowingsystem] eq "aqua"} {
 147        catch {
 148                exec osascript -e [format {
 149                        tell application "System Events"
 150                                set frontmost of processes whose unix id is %d to true
 151                        end tell
 152                } [pid]]
 153        }
 154}
 155
 156######################################################################
 157##
 158## read only globals
 159
 160set _appname {Git Gui}
 161set _gitdir {}
 162set _gitworktree {}
 163set _isbare {}
 164set _gitexec {}
 165set _githtmldir {}
 166set _reponame {}
 167set _iscygwin {}
 168set _search_path {}
 169set _shellpath {@@SHELL_PATH@@}
 170
 171set _trace [lsearch -exact $argv --trace]
 172if {$_trace >= 0} {
 173        set argv [lreplace $argv $_trace $_trace]
 174        set _trace 1
 175        if {[tk windowingsystem] eq "win32"} { console show }
 176} else {
 177        set _trace 0
 178}
 179
 180# variable for the last merged branch (useful for a default when deleting
 181# branches).
 182set _last_merged_branch {}
 183
 184proc shellpath {} {
 185        global _shellpath env
 186        if {[string match @@* $_shellpath]} {
 187                if {[info exists env(SHELL)]} {
 188                        return $env(SHELL)
 189                } else {
 190                        return /bin/sh
 191                }
 192        }
 193        return $_shellpath
 194}
 195
 196proc appname {} {
 197        global _appname
 198        return $_appname
 199}
 200
 201proc gitdir {args} {
 202        global _gitdir
 203        if {$args eq {}} {
 204                return $_gitdir
 205        }
 206        return [eval [list file join $_gitdir] $args]
 207}
 208
 209proc gitexec {args} {
 210        global _gitexec
 211        if {$_gitexec eq {}} {
 212                if {[catch {set _gitexec [git --exec-path]} err]} {
 213                        error "Git not installed?\n\n$err"
 214                }
 215                if {[is_Cygwin]} {
 216                        set _gitexec [exec cygpath \
 217                                --windows \
 218                                --absolute \
 219                                $_gitexec]
 220                } else {
 221                        set _gitexec [file normalize $_gitexec]
 222                }
 223        }
 224        if {$args eq {}} {
 225                return $_gitexec
 226        }
 227        return [eval [list file join $_gitexec] $args]
 228}
 229
 230proc githtmldir {args} {
 231        global _githtmldir
 232        if {$_githtmldir eq {}} {
 233                if {[catch {set _githtmldir [git --html-path]}]} {
 234                        # Git not installed or option not yet supported
 235                        return {}
 236                }
 237                if {[is_Cygwin]} {
 238                        set _githtmldir [exec cygpath \
 239                                --windows \
 240                                --absolute \
 241                                $_githtmldir]
 242                } else {
 243                        set _githtmldir [file normalize $_githtmldir]
 244                }
 245        }
 246        if {$args eq {}} {
 247                return $_githtmldir
 248        }
 249        return [eval [list file join $_githtmldir] $args]
 250}
 251
 252proc reponame {} {
 253        return $::_reponame
 254}
 255
 256proc is_MacOSX {} {
 257        if {[tk windowingsystem] eq {aqua}} {
 258                return 1
 259        }
 260        return 0
 261}
 262
 263proc is_Windows {} {
 264        if {$::tcl_platform(platform) eq {windows}} {
 265                return 1
 266        }
 267        return 0
 268}
 269
 270proc is_Cygwin {} {
 271        global _iscygwin
 272        if {$_iscygwin eq {}} {
 273                if {$::tcl_platform(platform) eq {windows}} {
 274                        if {[catch {set p [exec cygpath --windir]} err]} {
 275                                set _iscygwin 0
 276                        } else {
 277                                set _iscygwin 1
 278                        }
 279                } else {
 280                        set _iscygwin 0
 281                }
 282        }
 283        return $_iscygwin
 284}
 285
 286proc is_enabled {option} {
 287        global enabled_options
 288        if {[catch {set on $enabled_options($option)}]} {return 0}
 289        return $on
 290}
 291
 292proc enable_option {option} {
 293        global enabled_options
 294        set enabled_options($option) 1
 295}
 296
 297proc disable_option {option} {
 298        global enabled_options
 299        set enabled_options($option) 0
 300}
 301
 302######################################################################
 303##
 304## config
 305
 306proc is_many_config {name} {
 307        switch -glob -- $name {
 308        gui.recentrepo -
 309        remote.*.fetch -
 310        remote.*.push
 311                {return 1}
 312        *
 313                {return 0}
 314        }
 315}
 316
 317proc is_config_true {name} {
 318        global repo_config
 319        if {[catch {set v $repo_config($name)}]} {
 320                return 0
 321        }
 322        set v [string tolower $v]
 323        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 324                return 1
 325        } else {
 326                return 0
 327        }
 328}
 329
 330proc is_config_false {name} {
 331        global repo_config
 332        if {[catch {set v $repo_config($name)}]} {
 333                return 0
 334        }
 335        set v [string tolower $v]
 336        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 337                return 1
 338        } else {
 339                return 0
 340        }
 341}
 342
 343proc get_config {name} {
 344        global repo_config
 345        if {[catch {set v $repo_config($name)}]} {
 346                return {}
 347        } else {
 348                return $v
 349        }
 350}
 351
 352proc is_bare {} {
 353        global _isbare
 354        global _gitdir
 355        global _gitworktree
 356
 357        if {$_isbare eq {}} {
 358                if {[catch {
 359                        set _bare [git rev-parse --is-bare-repository]
 360                        switch  -- $_bare {
 361                        true { set _isbare 1 }
 362                        false { set _isbare 0}
 363                        default { throw }
 364                        }
 365                }]} {
 366                        if {[is_config_true core.bare]
 367                                || ($_gitworktree eq {}
 368                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 369                                set _isbare 1
 370                        } else {
 371                                set _isbare 0
 372                        }
 373                }
 374        }
 375        return $_isbare
 376}
 377
 378######################################################################
 379##
 380## handy utils
 381
 382proc _trace_exec {cmd} {
 383        if {!$::_trace} return
 384        set d {}
 385        foreach v $cmd {
 386                if {$d ne {}} {
 387                        append d { }
 388                }
 389                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 390                        set v [sq $v]
 391                }
 392                append d $v
 393        }
 394        puts stderr $d
 395}
 396
 397#'"  fix poor old emacs font-lock mode
 398
 399proc _git_cmd {name} {
 400        global _git_cmd_path
 401
 402        if {[catch {set v $_git_cmd_path($name)}]} {
 403                switch -- $name {
 404                  version   -
 405                --version   -
 406                --exec-path { return [list $::_git $name] }
 407                }
 408
 409                set p [gitexec git-$name$::_search_exe]
 410                if {[file exists $p]} {
 411                        set v [list $p]
 412                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 413                        # Try to determine what sort of magic will make
 414                        # git-$name go and do its thing, because native
 415                        # Tcl on Windows doesn't know it.
 416                        #
 417                        set p [gitexec git-$name]
 418                        set f [open $p r]
 419                        set s [gets $f]
 420                        close $f
 421
 422                        switch -glob -- [lindex $s 0] {
 423                        #!*sh     { set i sh     }
 424                        #!*perl   { set i perl   }
 425                        #!*python { set i python }
 426                        default   { error "git-$name is not supported: $s" }
 427                        }
 428
 429                        upvar #0 _$i interp
 430                        if {![info exists interp]} {
 431                                set interp [_which $i]
 432                        }
 433                        if {$interp eq {}} {
 434                                error "git-$name requires $i (not in PATH)"
 435                        }
 436                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 437                } else {
 438                        # Assume it is builtin to git somehow and we
 439                        # aren't actually able to see a file for it.
 440                        #
 441                        set v [list $::_git $name]
 442                }
 443                set _git_cmd_path($name) $v
 444        }
 445        return $v
 446}
 447
 448proc _which {what args} {
 449        global env _search_exe _search_path
 450
 451        if {$_search_path eq {}} {
 452                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 453                        set _search_path [split [exec cygpath \
 454                                --windows \
 455                                --path \
 456                                --absolute \
 457                                $env(PATH)] {;}]
 458                        set _search_exe .exe
 459                } elseif {[is_Windows]} {
 460                        set gitguidir [file dirname [info script]]
 461                        regsub -all ";" $gitguidir "\\;" gitguidir
 462                        set env(PATH) "$gitguidir;$env(PATH)"
 463                        set _search_path [split $env(PATH) {;}]
 464                        set _search_exe .exe
 465                } else {
 466                        set _search_path [split $env(PATH) :]
 467                        set _search_exe {}
 468                }
 469        }
 470
 471        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 472                set suffix {}
 473        } else {
 474                set suffix $_search_exe
 475        }
 476
 477        foreach p $_search_path {
 478                set p [file join $p $what$suffix]
 479                if {[file exists $p]} {
 480                        return [file normalize $p]
 481                }
 482        }
 483        return {}
 484}
 485
 486# Test a file for a hashbang to identify executable scripts on Windows.
 487proc is_shellscript {filename} {
 488        if {![file exists $filename]} {return 0}
 489        set f [open $filename r]
 490        fconfigure $f -encoding binary
 491        set magic [read $f 2]
 492        close $f
 493        return [expr {$magic eq "#!"}]
 494}
 495
 496# Run a command connected via pipes on stdout.
 497# This is for use with textconv filters and uses sh -c "..." to allow it to
 498# contain a command with arguments. On windows we must check for shell
 499# scripts specifically otherwise just call the filter command.
 500proc open_cmd_pipe {cmd path} {
 501        global env
 502        if {![file executable [shellpath]]} {
 503                set exe [auto_execok [lindex $cmd 0]]
 504                if {[is_shellscript [lindex $exe 0]]} {
 505                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 506                } else {
 507                        set run [concat $exe [lrange $cmd 1 end] $path]
 508                }
 509        } else {
 510                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 511        }
 512        return [open |$run r]
 513}
 514
 515proc _lappend_nice {cmd_var} {
 516        global _nice
 517        upvar $cmd_var cmd
 518
 519        if {![info exists _nice]} {
 520                set _nice [_which nice]
 521                if {[catch {exec $_nice git version}]} {
 522                        set _nice {}
 523                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 524                        set _nice {}
 525                }
 526        }
 527        if {$_nice ne {}} {
 528                lappend cmd $_nice
 529        }
 530}
 531
 532proc git {args} {
 533        set opt [list]
 534
 535        while {1} {
 536                switch -- [lindex $args 0] {
 537                --nice {
 538                        _lappend_nice opt
 539                }
 540
 541                default {
 542                        break
 543                }
 544
 545                }
 546
 547                set args [lrange $args 1 end]
 548        }
 549
 550        set cmdp [_git_cmd [lindex $args 0]]
 551        set args [lrange $args 1 end]
 552
 553        _trace_exec [concat $opt $cmdp $args]
 554        set result [eval exec $opt $cmdp $args]
 555        if {$::_trace} {
 556                puts stderr "< $result"
 557        }
 558        return $result
 559}
 560
 561proc _open_stdout_stderr {cmd} {
 562        _trace_exec $cmd
 563        if {[catch {
 564                        set fd [open [concat [list | ] $cmd] r]
 565                } err]} {
 566                if {   [lindex $cmd end] eq {2>@1}
 567                    && $err eq {can not find channel named "1"}
 568                        } {
 569                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 570                        # redirect operator.  Fallback to |& cat for those.
 571                        # The command was not actually started, so its safe
 572                        # to try to start it a second time.
 573                        #
 574                        set fd [open [concat \
 575                                [list | ] \
 576                                [lrange $cmd 0 end-1] \
 577                                [list |& cat] \
 578                                ] r]
 579                } else {
 580                        error $err
 581                }
 582        }
 583        fconfigure $fd -eofchar {}
 584        return $fd
 585}
 586
 587proc git_read {args} {
 588        set opt [list]
 589
 590        while {1} {
 591                switch -- [lindex $args 0] {
 592                --nice {
 593                        _lappend_nice opt
 594                }
 595
 596                --stderr {
 597                        lappend args 2>@1
 598                }
 599
 600                default {
 601                        break
 602                }
 603
 604                }
 605
 606                set args [lrange $args 1 end]
 607        }
 608
 609        set cmdp [_git_cmd [lindex $args 0]]
 610        set args [lrange $args 1 end]
 611
 612        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 613}
 614
 615proc git_write {args} {
 616        set opt [list]
 617
 618        while {1} {
 619                switch -- [lindex $args 0] {
 620                --nice {
 621                        _lappend_nice opt
 622                }
 623
 624                default {
 625                        break
 626                }
 627
 628                }
 629
 630                set args [lrange $args 1 end]
 631        }
 632
 633        set cmdp [_git_cmd [lindex $args 0]]
 634        set args [lrange $args 1 end]
 635
 636        _trace_exec [concat $opt $cmdp $args]
 637        return [open [concat [list | ] $opt $cmdp $args] w]
 638}
 639
 640proc githook_read {hook_name args} {
 641        set pchook [gitdir hooks $hook_name]
 642        lappend args 2>@1
 643
 644        # On Windows [file executable] might lie so we need to ask
 645        # the shell if the hook is executable.  Yes that's annoying.
 646        #
 647        if {[is_Windows]} {
 648                upvar #0 _sh interp
 649                if {![info exists interp]} {
 650                        set interp [_which sh]
 651                }
 652                if {$interp eq {}} {
 653                        error "hook execution requires sh (not in PATH)"
 654                }
 655
 656                set scr {if test -x "$1";then exec "$@";fi}
 657                set sh_c [list $interp -c $scr $interp $pchook]
 658                return [_open_stdout_stderr [concat $sh_c $args]]
 659        }
 660
 661        if {[file executable $pchook]} {
 662                return [_open_stdout_stderr [concat [list $pchook] $args]]
 663        }
 664
 665        return {}
 666}
 667
 668proc kill_file_process {fd} {
 669        set process [pid $fd]
 670
 671        catch {
 672                if {[is_Windows]} {
 673                        exec taskkill /pid $process
 674                } else {
 675                        exec kill $process
 676                }
 677        }
 678}
 679
 680proc gitattr {path attr default} {
 681        if {[catch {set r [git check-attr $attr -- $path]}]} {
 682                set r unspecified
 683        } else {
 684                set r [join [lrange [split $r :] 2 end] :]
 685                regsub {^ } $r {} r
 686        }
 687        if {$r eq {unspecified}} {
 688                return $default
 689        }
 690        return $r
 691}
 692
 693proc sq {value} {
 694        regsub -all ' $value "'\\''" value
 695        return "'$value'"
 696}
 697
 698proc load_current_branch {} {
 699        global current_branch is_detached
 700
 701        set fd [open [gitdir HEAD] r]
 702        if {[gets $fd ref] < 1} {
 703                set ref {}
 704        }
 705        close $fd
 706
 707        set pfx {ref: refs/heads/}
 708        set len [string length $pfx]
 709        if {[string equal -length $len $pfx $ref]} {
 710                # We're on a branch.  It might not exist.  But
 711                # HEAD looks good enough to be a branch.
 712                #
 713                set current_branch [string range $ref $len end]
 714                set is_detached 0
 715        } else {
 716                # Assume this is a detached head.
 717                #
 718                set current_branch HEAD
 719                set is_detached 1
 720        }
 721}
 722
 723auto_load tk_optionMenu
 724rename tk_optionMenu real__tkOptionMenu
 725proc tk_optionMenu {w varName args} {
 726        set m [eval real__tkOptionMenu $w $varName $args]
 727        $m configure -font font_ui
 728        $w configure -font font_ui
 729        return $m
 730}
 731
 732proc rmsel_tag {text} {
 733        $text tag conf sel \
 734                -background [$text cget -background] \
 735                -foreground [$text cget -foreground] \
 736                -borderwidth 0
 737        $text tag conf in_sel -background lightgray
 738        bind $text <Motion> break
 739        return $text
 740}
 741
 742wm withdraw .
 743set root_exists 0
 744bind . <Visibility> {
 745        bind . <Visibility> {}
 746        set root_exists 1
 747}
 748
 749if {[is_Windows]} {
 750        wm iconbitmap . -default $oguilib/git-gui.ico
 751        set ::tk::AlwaysShowSelection 1
 752        bind . <Control-F2> {console show}
 753
 754        # Spoof an X11 display for SSH
 755        if {![info exists env(DISPLAY)]} {
 756                set env(DISPLAY) :9999
 757        }
 758} else {
 759        catch {
 760                image create photo gitlogo -width 16 -height 16
 761
 762                gitlogo put #33CC33 -to  7  0  9  2
 763                gitlogo put #33CC33 -to  4  2 12  4
 764                gitlogo put #33CC33 -to  7  4  9  6
 765                gitlogo put #CC3333 -to  4  6 12  8
 766                gitlogo put gray26  -to  4  9  6 10
 767                gitlogo put gray26  -to  3 10  6 12
 768                gitlogo put gray26  -to  8  9 13 11
 769                gitlogo put gray26  -to  8 11 10 12
 770                gitlogo put gray26  -to 11 11 13 14
 771                gitlogo put gray26  -to  3 12  5 14
 772                gitlogo put gray26  -to  5 13
 773                gitlogo put gray26  -to 10 13
 774                gitlogo put gray26  -to  4 14 12 15
 775                gitlogo put gray26  -to  5 15 11 16
 776                gitlogo redither
 777
 778                image create photo gitlogo32 -width 32 -height 32
 779                gitlogo32 copy gitlogo -zoom 2 2
 780
 781                wm iconphoto . -default gitlogo gitlogo32
 782        }
 783}
 784
 785######################################################################
 786##
 787## config defaults
 788
 789set cursor_ptr arrow
 790font create font_ui
 791if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 792        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 793        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 794} else {
 795        font create font_diff -family Courier -size 10
 796        catch {
 797                label .dummy
 798                eval font configure font_ui [font actual [.dummy cget -font]]
 799                destroy .dummy
 800        }
 801}
 802
 803font create font_uiitalic
 804font create font_uibold
 805font create font_diffbold
 806font create font_diffitalic
 807
 808foreach class {Button Checkbutton Entry Label
 809                Labelframe Listbox Message
 810                Radiobutton Spinbox Text} {
 811        option add *$class.font font_ui
 812}
 813if {![is_MacOSX]} {
 814        option add *Menu.font font_ui
 815        option add *Entry.borderWidth 1 startupFile
 816        option add *Entry.relief sunken startupFile
 817        option add *RadioButton.anchor w startupFile
 818}
 819unset class
 820
 821if {[is_Windows] || [is_MacOSX]} {
 822        option add *Menu.tearOff 0
 823}
 824
 825if {[is_MacOSX]} {
 826        set M1B M1
 827        set M1T Cmd
 828} else {
 829        set M1B Control
 830        set M1T Ctrl
 831}
 832
 833proc bind_button3 {w cmd} {
 834        bind $w <Any-Button-3> $cmd
 835        if {[is_MacOSX]} {
 836                # Mac OS X sends Button-2 on right click through three-button mouse,
 837                # or through trackpad right-clicking (two-finger touch + click).
 838                bind $w <Any-Button-2> $cmd
 839                bind $w <Control-Button-1> $cmd
 840        }
 841}
 842
 843proc apply_config {} {
 844        global repo_config font_descs
 845
 846        foreach option $font_descs {
 847                set name [lindex $option 0]
 848                set font [lindex $option 1]
 849                if {[catch {
 850                        set need_weight 1
 851                        foreach {cn cv} $repo_config(gui.$name) {
 852                                if {$cn eq {-weight}} {
 853                                        set need_weight 0
 854                                }
 855                                font configure $font $cn $cv
 856                        }
 857                        if {$need_weight} {
 858                                font configure $font -weight normal
 859                        }
 860                        } err]} {
 861                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 862                }
 863                foreach {cn cv} [font configure $font] {
 864                        font configure ${font}bold $cn $cv
 865                        font configure ${font}italic $cn $cv
 866                }
 867                font configure ${font}bold -weight bold
 868                font configure ${font}italic -slant italic
 869        }
 870
 871        global use_ttk NS
 872        set use_ttk 0
 873        set NS {}
 874        if {$repo_config(gui.usettk)} {
 875                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 876                if {$use_ttk} {
 877                        set NS ttk
 878                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 879                        pave_toplevel .
 880                }
 881        }
 882}
 883
 884set default_config(branch.autosetupmerge) true
 885set default_config(merge.tool) {}
 886set default_config(mergetool.keepbackup) true
 887set default_config(merge.diffstat) true
 888set default_config(merge.summary) false
 889set default_config(merge.verbosity) 2
 890set default_config(user.name) {}
 891set default_config(user.email) {}
 892
 893set default_config(gui.encoding) [encoding system]
 894set default_config(gui.matchtrackingbranch) false
 895set default_config(gui.textconv) true
 896set default_config(gui.pruneduringfetch) false
 897set default_config(gui.trustmtime) false
 898set default_config(gui.fastcopyblame) false
 899set default_config(gui.maxrecentrepo) 10
 900set default_config(gui.copyblamethreshold) 40
 901set default_config(gui.blamehistoryctx) 7
 902set default_config(gui.diffcontext) 5
 903set default_config(gui.diffopts) {}
 904set default_config(gui.commitmsgwidth) 75
 905set default_config(gui.newbranchtemplate) {}
 906set default_config(gui.spellingdictionary) {}
 907set default_config(gui.fontui) [font configure font_ui]
 908set default_config(gui.fontdiff) [font configure font_diff]
 909# TODO: this option should be added to the git-config documentation
 910set default_config(gui.maxfilesdisplayed) 5000
 911set default_config(gui.usettk) 1
 912set default_config(gui.warndetachedcommit) 1
 913set default_config(gui.tabsize) 8
 914set font_descs {
 915        {fontui   font_ui   {mc "Main Font"}}
 916        {fontdiff font_diff {mc "Diff/Console Font"}}
 917}
 918set default_config(gui.stageuntracked) ask
 919set default_config(gui.displayuntracked) true
 920
 921######################################################################
 922##
 923## find git
 924
 925set _git  [_which git]
 926if {$_git eq {}} {
 927        catch {wm withdraw .}
 928        tk_messageBox \
 929                -icon error \
 930                -type ok \
 931                -title [mc "git-gui: fatal error"] \
 932                -message [mc "Cannot find git in PATH."]
 933        exit 1
 934}
 935
 936######################################################################
 937##
 938## version check
 939
 940if {[catch {set _git_version [git --version]} err]} {
 941        catch {wm withdraw .}
 942        tk_messageBox \
 943                -icon error \
 944                -type ok \
 945                -title [mc "git-gui: fatal error"] \
 946                -message "Cannot determine Git version:
 947
 948$err
 949
 950[appname] requires Git 1.5.0 or later."
 951        exit 1
 952}
 953if {![regsub {^git version } $_git_version {} _git_version]} {
 954        catch {wm withdraw .}
 955        tk_messageBox \
 956                -icon error \
 957                -type ok \
 958                -title [mc "git-gui: fatal error"] \
 959                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 960        exit 1
 961}
 962
 963proc get_trimmed_version {s} {
 964    set r {}
 965    foreach x [split $s -._] {
 966        if {[string is integer -strict $x]} {
 967            lappend r $x
 968        } else {
 969            break
 970        }
 971    }
 972    return [join $r .]
 973}
 974set _real_git_version $_git_version
 975set _git_version [get_trimmed_version $_git_version]
 976
 977if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 978        catch {wm withdraw .}
 979        if {[tk_messageBox \
 980                -icon warning \
 981                -type yesno \
 982                -default no \
 983                -title "[appname]: warning" \
 984                 -message [mc "Git version cannot be determined.
 985
 986%s claims it is version '%s'.
 987
 988%s requires at least Git 1.5.0 or later.
 989
 990Assume '%s' is version 1.5.0?
 991" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 992                set _git_version 1.5.0
 993        } else {
 994                exit 1
 995        }
 996}
 997unset _real_git_version
 998
 999proc git-version {args} {
1000        global _git_version
1001
1002        switch [llength $args] {
1003        0 {
1004                return $_git_version
1005        }
1006
1007        2 {
1008                set op [lindex $args 0]
1009                set vr [lindex $args 1]
1010                set cm [package vcompare $_git_version $vr]
1011                return [expr $cm $op 0]
1012        }
1013
1014        4 {
1015                set type [lindex $args 0]
1016                set name [lindex $args 1]
1017                set parm [lindex $args 2]
1018                set body [lindex $args 3]
1019
1020                if {($type ne {proc} && $type ne {method})} {
1021                        error "Invalid arguments to git-version"
1022                }
1023                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1024                        error "Last arm of $type $name must be default"
1025                }
1026
1027                foreach {op vr cb} [lrange $body 0 end-2] {
1028                        if {[git-version $op $vr]} {
1029                                return [uplevel [list $type $name $parm $cb]]
1030                        }
1031                }
1032
1033                return [uplevel [list $type $name $parm [lindex $body end]]]
1034        }
1035
1036        default {
1037                error "git-version >= x"
1038        }
1039
1040        }
1041}
1042
1043if {[git-version < 1.5]} {
1044        catch {wm withdraw .}
1045        tk_messageBox \
1046                -icon error \
1047                -type ok \
1048                -title [mc "git-gui: fatal error"] \
1049                -message "[appname] requires Git 1.5.0 or later.
1050
1051You are using [git-version]:
1052
1053[git --version]"
1054        exit 1
1055}
1056
1057######################################################################
1058##
1059## configure our library
1060
1061set idx [file join $oguilib tclIndex]
1062if {[catch {set fd [open $idx r]} err]} {
1063        catch {wm withdraw .}
1064        tk_messageBox \
1065                -icon error \
1066                -type ok \
1067                -title [mc "git-gui: fatal error"] \
1068                -message $err
1069        exit 1
1070}
1071if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1072        set idx [list]
1073        while {[gets $fd n] >= 0} {
1074                if {$n ne {} && ![string match #* $n]} {
1075                        lappend idx $n
1076                }
1077        }
1078} else {
1079        set idx {}
1080}
1081close $fd
1082
1083if {$idx ne {}} {
1084        set loaded [list]
1085        foreach p $idx {
1086                if {[lsearch -exact $loaded $p] >= 0} continue
1087                source [file join $oguilib $p]
1088                lappend loaded $p
1089        }
1090        unset loaded p
1091} else {
1092        set auto_path [concat [list $oguilib] $auto_path]
1093}
1094unset -nocomplain idx fd
1095
1096######################################################################
1097##
1098## config file parsing
1099
1100git-version proc _parse_config {arr_name args} {
1101        >= 1.5.3 {
1102                upvar $arr_name arr
1103                array unset arr
1104                set buf {}
1105                catch {
1106                        set fd_rc [eval \
1107                                [list git_read config] \
1108                                $args \
1109                                [list --null --list]]
1110                        fconfigure $fd_rc -translation binary
1111                        set buf [read $fd_rc]
1112                        close $fd_rc
1113                }
1114                foreach line [split $buf "\0"] {
1115                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1116                                if {[is_many_config $name]} {
1117                                        lappend arr($name) $value
1118                                } else {
1119                                        set arr($name) $value
1120                                }
1121                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1122                                # no value given, but interpreting them as
1123                                # boolean will be handled as true
1124                                set arr($name) {}
1125                        }
1126                }
1127        }
1128        default {
1129                upvar $arr_name arr
1130                array unset arr
1131                catch {
1132                        set fd_rc [eval [list git_read config --list] $args]
1133                        while {[gets $fd_rc line] >= 0} {
1134                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1135                                        if {[is_many_config $name]} {
1136                                                lappend arr($name) $value
1137                                        } else {
1138                                                set arr($name) $value
1139                                        }
1140                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1141                                        # no value given, but interpreting them as
1142                                        # boolean will be handled as true
1143                                        set arr($name) {}
1144                                }
1145                        }
1146                        close $fd_rc
1147                }
1148        }
1149}
1150
1151proc load_config {include_global} {
1152        global repo_config global_config system_config default_config
1153
1154        if {$include_global} {
1155                _parse_config system_config --system
1156                _parse_config global_config --global
1157        }
1158        _parse_config repo_config
1159
1160        foreach name [array names default_config] {
1161                if {[catch {set v $system_config($name)}]} {
1162                        set system_config($name) $default_config($name)
1163                }
1164        }
1165        foreach name [array names system_config] {
1166                if {[catch {set v $global_config($name)}]} {
1167                        set global_config($name) $system_config($name)
1168                }
1169                if {[catch {set v $repo_config($name)}]} {
1170                        set repo_config($name) $system_config($name)
1171                }
1172        }
1173}
1174
1175######################################################################
1176##
1177## feature option selection
1178
1179if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1180        unset _junk
1181} else {
1182        set subcommand gui
1183}
1184if {$subcommand eq {gui.sh}} {
1185        set subcommand gui
1186}
1187if {$subcommand eq {gui} && [llength $argv] > 0} {
1188        set subcommand [lindex $argv 0]
1189        set argv [lrange $argv 1 end]
1190}
1191
1192enable_option multicommit
1193enable_option branch
1194enable_option transport
1195disable_option bare
1196
1197switch -- $subcommand {
1198browser -
1199blame {
1200        enable_option bare
1201
1202        disable_option multicommit
1203        disable_option branch
1204        disable_option transport
1205}
1206citool {
1207        enable_option singlecommit
1208        enable_option retcode
1209
1210        disable_option multicommit
1211        disable_option branch
1212        disable_option transport
1213
1214        while {[llength $argv] > 0} {
1215                set a [lindex $argv 0]
1216                switch -- $a {
1217                --amend {
1218                        enable_option initialamend
1219                }
1220                --nocommit {
1221                        enable_option nocommit
1222                        enable_option nocommitmsg
1223                }
1224                --commitmsg {
1225                        disable_option nocommitmsg
1226                }
1227                default {
1228                        break
1229                }
1230                }
1231
1232                set argv [lrange $argv 1 end]
1233        }
1234}
1235}
1236
1237######################################################################
1238##
1239## execution environment
1240
1241set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1242
1243# Suggest our implementation of askpass, if none is set
1244if {![info exists env(SSH_ASKPASS)]} {
1245        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1246}
1247
1248######################################################################
1249##
1250## repository setup
1251
1252set picked 0
1253if {[catch {
1254                set _gitdir $env(GIT_DIR)
1255                set _prefix {}
1256                }]
1257        && [catch {
1258                # beware that from the .git dir this sets _gitdir to .
1259                # and _prefix to the empty string
1260                set _gitdir [git rev-parse --git-dir]
1261                set _prefix [git rev-parse --show-prefix]
1262        } err]} {
1263        load_config 1
1264        apply_config
1265        choose_repository::pick
1266        set picked 1
1267}
1268
1269# we expand the _gitdir when it's just a single dot (i.e. when we're being
1270# run from the .git dir itself) lest the routines to find the worktree
1271# get confused
1272if {$_gitdir eq "."} {
1273        set _gitdir [pwd]
1274}
1275
1276if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1277        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1278}
1279if {![file isdirectory $_gitdir]} {
1280        catch {wm withdraw .}
1281        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1282        exit 1
1283}
1284# _gitdir exists, so try loading the config
1285load_config 0
1286apply_config
1287
1288# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1289if {[package vcompare $_git_version 1.7.0] >= 0} {
1290        if { [is_Cygwin] } {
1291                catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1292        } else {
1293                set _gitworktree [git rev-parse --show-toplevel]
1294        }
1295} else {
1296        # try to set work tree from environment, core.worktree or use
1297        # cdup to obtain a relative path to the top of the worktree. If
1298        # run from the top, the ./ prefix ensures normalize expands pwd.
1299        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1300                set _gitworktree [get_config core.worktree]
1301                if {$_gitworktree eq ""} {
1302                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1303                }
1304        }
1305}
1306
1307if {$_prefix ne {}} {
1308        if {$_gitworktree eq {}} {
1309                regsub -all {[^/]+/} $_prefix ../ cdup
1310        } else {
1311                set cdup $_gitworktree
1312        }
1313        if {[catch {cd $cdup} err]} {
1314                catch {wm withdraw .}
1315                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1316                exit 1
1317        }
1318        set _gitworktree [pwd]
1319        unset cdup
1320} elseif {![is_enabled bare]} {
1321        if {[is_bare]} {
1322                catch {wm withdraw .}
1323                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1324                exit 1
1325        }
1326        if {$_gitworktree eq {}} {
1327                set _gitworktree [file dirname $_gitdir]
1328        }
1329        if {[catch {cd $_gitworktree} err]} {
1330                catch {wm withdraw .}
1331                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1332                exit 1
1333        }
1334        set _gitworktree [pwd]
1335}
1336set _reponame [file split [file normalize $_gitdir]]
1337if {[lindex $_reponame end] eq {.git}} {
1338        set _reponame [lindex $_reponame end-1]
1339} else {
1340        set _reponame [lindex $_reponame end]
1341}
1342
1343set env(GIT_DIR) $_gitdir
1344set env(GIT_WORK_TREE) $_gitworktree
1345
1346######################################################################
1347##
1348## global init
1349
1350set current_diff_path {}
1351set current_diff_side {}
1352set diff_actions [list]
1353
1354set HEAD {}
1355set PARENT {}
1356set MERGE_HEAD [list]
1357set commit_type {}
1358set empty_tree {}
1359set current_branch {}
1360set is_detached 0
1361set current_diff_path {}
1362set is_3way_diff 0
1363set is_submodule_diff 0
1364set is_conflict_diff 0
1365set selected_commit_type new
1366set diff_empty_count 0
1367
1368set nullid "0000000000000000000000000000000000000000"
1369set nullid2 "0000000000000000000000000000000000000001"
1370
1371######################################################################
1372##
1373## task management
1374
1375set rescan_active 0
1376set diff_active 0
1377set last_clicked {}
1378
1379set disable_on_lock [list]
1380set index_lock_type none
1381
1382proc lock_index {type} {
1383        global index_lock_type disable_on_lock
1384
1385        if {$index_lock_type eq {none}} {
1386                set index_lock_type $type
1387                foreach w $disable_on_lock {
1388                        uplevel #0 $w disabled
1389                }
1390                return 1
1391        } elseif {$index_lock_type eq "begin-$type"} {
1392                set index_lock_type $type
1393                return 1
1394        }
1395        return 0
1396}
1397
1398proc unlock_index {} {
1399        global index_lock_type disable_on_lock
1400
1401        set index_lock_type none
1402        foreach w $disable_on_lock {
1403                uplevel #0 $w normal
1404        }
1405}
1406
1407######################################################################
1408##
1409## status
1410
1411proc repository_state {ctvar hdvar mhvar} {
1412        global current_branch
1413        upvar $ctvar ct $hdvar hd $mhvar mh
1414
1415        set mh [list]
1416
1417        load_current_branch
1418        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1419                set hd {}
1420                set ct initial
1421                return
1422        }
1423
1424        set merge_head [gitdir MERGE_HEAD]
1425        if {[file exists $merge_head]} {
1426                set ct merge
1427                set fd_mh [open $merge_head r]
1428                while {[gets $fd_mh line] >= 0} {
1429                        lappend mh $line
1430                }
1431                close $fd_mh
1432                return
1433        }
1434
1435        set ct normal
1436}
1437
1438proc PARENT {} {
1439        global PARENT empty_tree
1440
1441        set p [lindex $PARENT 0]
1442        if {$p ne {}} {
1443                return $p
1444        }
1445        if {$empty_tree eq {}} {
1446                set empty_tree [git mktree << {}]
1447        }
1448        return $empty_tree
1449}
1450
1451proc force_amend {} {
1452        global selected_commit_type
1453        global HEAD PARENT MERGE_HEAD commit_type
1454
1455        repository_state newType newHEAD newMERGE_HEAD
1456        set HEAD $newHEAD
1457        set PARENT $newHEAD
1458        set MERGE_HEAD $newMERGE_HEAD
1459        set commit_type $newType
1460
1461        set selected_commit_type amend
1462        do_select_commit_type
1463}
1464
1465proc rescan {after {honor_trustmtime 1}} {
1466        global HEAD PARENT MERGE_HEAD commit_type
1467        global ui_index ui_workdir ui_comm
1468        global rescan_active file_states
1469        global repo_config
1470
1471        if {$rescan_active > 0 || ![lock_index read]} return
1472
1473        repository_state newType newHEAD newMERGE_HEAD
1474        if {[string match amend* $commit_type]
1475                && $newType eq {normal}
1476                && $newHEAD eq $HEAD} {
1477        } else {
1478                set HEAD $newHEAD
1479                set PARENT $newHEAD
1480                set MERGE_HEAD $newMERGE_HEAD
1481                set commit_type $newType
1482        }
1483
1484        array unset file_states
1485
1486        if {!$::GITGUI_BCK_exists &&
1487                (![$ui_comm edit modified]
1488                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1489                if {[string match amend* $commit_type]} {
1490                } elseif {[load_message GITGUI_MSG utf-8]} {
1491                } elseif {[run_prepare_commit_msg_hook]} {
1492                } elseif {[load_message MERGE_MSG]} {
1493                } elseif {[load_message SQUASH_MSG]} {
1494                }
1495                $ui_comm edit reset
1496                $ui_comm edit modified false
1497        }
1498
1499        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1500                rescan_stage2 {} $after
1501        } else {
1502                set rescan_active 1
1503                ui_status [mc "Refreshing file status..."]
1504                set fd_rf [git_read update-index \
1505                        -q \
1506                        --unmerged \
1507                        --ignore-missing \
1508                        --refresh \
1509                        ]
1510                fconfigure $fd_rf -blocking 0 -translation binary
1511                fileevent $fd_rf readable \
1512                        [list rescan_stage2 $fd_rf $after]
1513        }
1514}
1515
1516if {[is_Cygwin]} {
1517        set is_git_info_exclude {}
1518        proc have_info_exclude {} {
1519                global is_git_info_exclude
1520
1521                if {$is_git_info_exclude eq {}} {
1522                        if {[catch {exec test -f [gitdir info exclude]}]} {
1523                                set is_git_info_exclude 0
1524                        } else {
1525                                set is_git_info_exclude 1
1526                        }
1527                }
1528                return $is_git_info_exclude
1529        }
1530} else {
1531        proc have_info_exclude {} {
1532                return [file readable [gitdir info exclude]]
1533        }
1534}
1535
1536proc rescan_stage2 {fd after} {
1537        global rescan_active buf_rdi buf_rdf buf_rlo
1538
1539        if {$fd ne {}} {
1540                read $fd
1541                if {![eof $fd]} return
1542                close $fd
1543        }
1544
1545        if {[package vcompare $::_git_version 1.6.3] >= 0} {
1546                set ls_others [list --exclude-standard]
1547        } else {
1548                set ls_others [list --exclude-per-directory=.gitignore]
1549                if {[have_info_exclude]} {
1550                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1551                }
1552                set user_exclude [get_config core.excludesfile]
1553                if {$user_exclude ne {} && [file readable $user_exclude]} {
1554                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1555                }
1556        }
1557
1558        set buf_rdi {}
1559        set buf_rdf {}
1560        set buf_rlo {}
1561
1562        set rescan_active 2
1563        ui_status [mc "Scanning for modified files ..."]
1564        if {[git-version >= "1.7.2"]} {
1565                set fd_di [git_read diff-index --cached --ignore-submodules=dirty -z [PARENT]]
1566        } else {
1567                set fd_di [git_read diff-index --cached -z [PARENT]]
1568        }
1569        set fd_df [git_read diff-files -z]
1570
1571        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1572        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1573
1574        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1575        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1576
1577        if {[is_config_true gui.displayuntracked]} {
1578                set fd_lo [eval git_read ls-files --others -z $ls_others]
1579                fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1580                fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1581                incr rescan_active
1582        }
1583}
1584
1585proc load_message {file {encoding {}}} {
1586        global ui_comm
1587
1588        set f [gitdir $file]
1589        if {[file isfile $f]} {
1590                if {[catch {set fd [open $f r]}]} {
1591                        return 0
1592                }
1593                fconfigure $fd -eofchar {}
1594                if {$encoding ne {}} {
1595                        fconfigure $fd -encoding $encoding
1596                }
1597                set content [string trim [read $fd]]
1598                close $fd
1599                regsub -all -line {[ \r\t]+$} $content {} content
1600                $ui_comm delete 0.0 end
1601                $ui_comm insert end $content
1602                return 1
1603        }
1604        return 0
1605}
1606
1607proc run_prepare_commit_msg_hook {} {
1608        global pch_error
1609
1610        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1611        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1612        # empty file but existent file.
1613
1614        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1615
1616        if {[file isfile [gitdir MERGE_MSG]]} {
1617                set pcm_source "merge"
1618                set fd_mm [open [gitdir MERGE_MSG] r]
1619                puts -nonewline $fd_pcm [read $fd_mm]
1620                close $fd_mm
1621        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1622                set pcm_source "squash"
1623                set fd_sm [open [gitdir SQUASH_MSG] r]
1624                puts -nonewline $fd_pcm [read $fd_sm]
1625                close $fd_sm
1626        } else {
1627                set pcm_source ""
1628        }
1629
1630        close $fd_pcm
1631
1632        set fd_ph [githook_read prepare-commit-msg \
1633                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1634        if {$fd_ph eq {}} {
1635                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1636                return 0;
1637        }
1638
1639        ui_status [mc "Calling prepare-commit-msg hook..."]
1640        set pch_error {}
1641
1642        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1643        fileevent $fd_ph readable \
1644                [list prepare_commit_msg_hook_wait $fd_ph]
1645
1646        return 1;
1647}
1648
1649proc prepare_commit_msg_hook_wait {fd_ph} {
1650        global pch_error
1651
1652        append pch_error [read $fd_ph]
1653        fconfigure $fd_ph -blocking 1
1654        if {[eof $fd_ph]} {
1655                if {[catch {close $fd_ph}]} {
1656                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1657                        hook_failed_popup prepare-commit-msg $pch_error
1658                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1659                        exit 1
1660                } else {
1661                        load_message PREPARE_COMMIT_MSG
1662                }
1663                set pch_error {}
1664                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1665                return
1666        }
1667        fconfigure $fd_ph -blocking 0
1668        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1669}
1670
1671proc read_diff_index {fd after} {
1672        global buf_rdi
1673
1674        append buf_rdi [read $fd]
1675        set c 0
1676        set n [string length $buf_rdi]
1677        while {$c < $n} {
1678                set z1 [string first "\0" $buf_rdi $c]
1679                if {$z1 == -1} break
1680                incr z1
1681                set z2 [string first "\0" $buf_rdi $z1]
1682                if {$z2 == -1} break
1683
1684                incr c
1685                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1686                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1687                merge_state \
1688                        [encoding convertfrom $p] \
1689                        [lindex $i 4]? \
1690                        [list [lindex $i 0] [lindex $i 2]] \
1691                        [list]
1692                set c $z2
1693                incr c
1694        }
1695        if {$c < $n} {
1696                set buf_rdi [string range $buf_rdi $c end]
1697        } else {
1698                set buf_rdi {}
1699        }
1700
1701        rescan_done $fd buf_rdi $after
1702}
1703
1704proc read_diff_files {fd after} {
1705        global buf_rdf
1706
1707        append buf_rdf [read $fd]
1708        set c 0
1709        set n [string length $buf_rdf]
1710        while {$c < $n} {
1711                set z1 [string first "\0" $buf_rdf $c]
1712                if {$z1 == -1} break
1713                incr z1
1714                set z2 [string first "\0" $buf_rdf $z1]
1715                if {$z2 == -1} break
1716
1717                incr c
1718                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1719                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1720                merge_state \
1721                        [encoding convertfrom $p] \
1722                        ?[lindex $i 4] \
1723                        [list] \
1724                        [list [lindex $i 0] [lindex $i 2]]
1725                set c $z2
1726                incr c
1727        }
1728        if {$c < $n} {
1729                set buf_rdf [string range $buf_rdf $c end]
1730        } else {
1731                set buf_rdf {}
1732        }
1733
1734        rescan_done $fd buf_rdf $after
1735}
1736
1737proc read_ls_others {fd after} {
1738        global buf_rlo
1739
1740        append buf_rlo [read $fd]
1741        set pck [split $buf_rlo "\0"]
1742        set buf_rlo [lindex $pck end]
1743        foreach p [lrange $pck 0 end-1] {
1744                set p [encoding convertfrom $p]
1745                if {[string index $p end] eq {/}} {
1746                        set p [string range $p 0 end-1]
1747                }
1748                merge_state $p ?O
1749        }
1750        rescan_done $fd buf_rlo $after
1751}
1752
1753proc rescan_done {fd buf after} {
1754        global rescan_active current_diff_path
1755        global file_states repo_config
1756        upvar $buf to_clear
1757
1758        if {![eof $fd]} return
1759        set to_clear {}
1760        close $fd
1761        if {[incr rescan_active -1] > 0} return
1762
1763        prune_selection
1764        unlock_index
1765        display_all_files
1766        if {$current_diff_path ne {}} { reshow_diff $after }
1767        if {$current_diff_path eq {}} { select_first_diff $after }
1768}
1769
1770proc prune_selection {} {
1771        global file_states selected_paths
1772
1773        foreach path [array names selected_paths] {
1774                if {[catch {set still_here $file_states($path)}]} {
1775                        unset selected_paths($path)
1776                }
1777        }
1778}
1779
1780######################################################################
1781##
1782## ui helpers
1783
1784proc mapicon {w state path} {
1785        global all_icons
1786
1787        if {[catch {set r $all_icons($state$w)}]} {
1788                puts "error: no icon for $w state={$state} $path"
1789                return file_plain
1790        }
1791        return $r
1792}
1793
1794proc mapdesc {state path} {
1795        global all_descs
1796
1797        if {[catch {set r $all_descs($state)}]} {
1798                puts "error: no desc for state={$state} $path"
1799                return $state
1800        }
1801        return $r
1802}
1803
1804proc ui_status {msg} {
1805        global main_status
1806        if {[info exists main_status]} {
1807                $main_status show $msg
1808        }
1809}
1810
1811proc ui_ready {{test {}}} {
1812        global main_status
1813        if {[info exists main_status]} {
1814                $main_status show [mc "Ready."] $test
1815        }
1816}
1817
1818proc escape_path {path} {
1819        regsub -all {\\} $path "\\\\" path
1820        regsub -all "\n" $path "\\n" path
1821        return $path
1822}
1823
1824proc short_path {path} {
1825        return [escape_path [lindex [file split $path] end]]
1826}
1827
1828set next_icon_id 0
1829set null_sha1 [string repeat 0 40]
1830
1831proc merge_state {path new_state {head_info {}} {index_info {}}} {
1832        global file_states next_icon_id null_sha1
1833
1834        set s0 [string index $new_state 0]
1835        set s1 [string index $new_state 1]
1836
1837        if {[catch {set info $file_states($path)}]} {
1838                set state __
1839                set icon n[incr next_icon_id]
1840        } else {
1841                set state [lindex $info 0]
1842                set icon [lindex $info 1]
1843                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1844                if {$index_info eq {}} {set index_info [lindex $info 3]}
1845        }
1846
1847        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1848        elseif {$s0 eq {_}} {set s0 _}
1849
1850        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1851        elseif {$s1 eq {_}} {set s1 _}
1852
1853        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1854                set head_info [list 0 $null_sha1]
1855        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1856                && $head_info eq {}} {
1857                set head_info $index_info
1858        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1859                set index_info $head_info
1860                set head_info {}
1861        }
1862
1863        set file_states($path) [list $s0$s1 $icon \
1864                $head_info $index_info \
1865                ]
1866        return $state
1867}
1868
1869proc display_file_helper {w path icon_name old_m new_m} {
1870        global file_lists
1871
1872        if {$new_m eq {_}} {
1873                set lno [lsearch -sorted -exact $file_lists($w) $path]
1874                if {$lno >= 0} {
1875                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1876                        incr lno
1877                        $w conf -state normal
1878                        $w delete $lno.0 [expr {$lno + 1}].0
1879                        $w conf -state disabled
1880                }
1881        } elseif {$old_m eq {_} && $new_m ne {_}} {
1882                lappend file_lists($w) $path
1883                set file_lists($w) [lsort -unique $file_lists($w)]
1884                set lno [lsearch -sorted -exact $file_lists($w) $path]
1885                incr lno
1886                $w conf -state normal
1887                $w image create $lno.0 \
1888                        -align center -padx 5 -pady 1 \
1889                        -name $icon_name \
1890                        -image [mapicon $w $new_m $path]
1891                $w insert $lno.1 "[escape_path $path]\n"
1892                $w conf -state disabled
1893        } elseif {$old_m ne $new_m} {
1894                $w conf -state normal
1895                $w image conf $icon_name -image [mapicon $w $new_m $path]
1896                $w conf -state disabled
1897        }
1898}
1899
1900proc display_file {path state} {
1901        global file_states selected_paths
1902        global ui_index ui_workdir
1903
1904        set old_m [merge_state $path $state]
1905        set s $file_states($path)
1906        set new_m [lindex $s 0]
1907        set icon_name [lindex $s 1]
1908
1909        set o [string index $old_m 0]
1910        set n [string index $new_m 0]
1911        if {$o eq {U}} {
1912                set o _
1913        }
1914        if {$n eq {U}} {
1915                set n _
1916        }
1917        display_file_helper     $ui_index $path $icon_name $o $n
1918
1919        if {[string index $old_m 0] eq {U}} {
1920                set o U
1921        } else {
1922                set o [string index $old_m 1]
1923        }
1924        if {[string index $new_m 0] eq {U}} {
1925                set n U
1926        } else {
1927                set n [string index $new_m 1]
1928        }
1929        display_file_helper     $ui_workdir $path $icon_name $o $n
1930
1931        if {$new_m eq {__}} {
1932                unset file_states($path)
1933                catch {unset selected_paths($path)}
1934        }
1935}
1936
1937proc display_all_files_helper {w path icon_name m} {
1938        global file_lists
1939
1940        lappend file_lists($w) $path
1941        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1942        $w image create end \
1943                -align center -padx 5 -pady 1 \
1944                -name $icon_name \
1945                -image [mapicon $w $m $path]
1946        $w insert end "[escape_path $path]\n"
1947}
1948
1949set files_warning 0
1950proc display_all_files {} {
1951        global ui_index ui_workdir
1952        global file_states file_lists
1953        global last_clicked
1954        global files_warning
1955
1956        $ui_index conf -state normal
1957        $ui_workdir conf -state normal
1958
1959        $ui_index delete 0.0 end
1960        $ui_workdir delete 0.0 end
1961        set last_clicked {}
1962
1963        set file_lists($ui_index) [list]
1964        set file_lists($ui_workdir) [list]
1965
1966        set to_display [lsort [array names file_states]]
1967        set display_limit [get_config gui.maxfilesdisplayed]
1968        set displayed 0
1969        foreach path $to_display {
1970                set s $file_states($path)
1971                set m [lindex $s 0]
1972                set icon_name [lindex $s 1]
1973
1974                if {$displayed > $display_limit && [string index $m 1] eq {O} } {
1975                        if {!$files_warning} {
1976                                # do not repeatedly warn:
1977                                set files_warning 1
1978                                info_popup [mc "Display limit (gui.maxfilesdisplayed = %s) reached, not showing all %s files." \
1979                                        $display_limit [llength $to_display]]
1980                        }
1981                        continue
1982                }
1983
1984                set s [string index $m 0]
1985                if {$s ne {U} && $s ne {_}} {
1986                        display_all_files_helper $ui_index $path \
1987                                $icon_name $s
1988                }
1989
1990                if {[string index $m 0] eq {U}} {
1991                        set s U
1992                } else {
1993                        set s [string index $m 1]
1994                }
1995                if {$s ne {_}} {
1996                        display_all_files_helper $ui_workdir $path \
1997                                $icon_name $s
1998                        incr displayed
1999                }
2000        }
2001
2002        $ui_index conf -state disabled
2003        $ui_workdir conf -state disabled
2004}
2005
2006######################################################################
2007##
2008## icons
2009
2010set filemask {
2011#define mask_width 14
2012#define mask_height 15
2013static unsigned char mask_bits[] = {
2014   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2015   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2016   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2017}
2018
2019image create bitmap file_plain -background white -foreground black -data {
2020#define plain_width 14
2021#define plain_height 15
2022static unsigned char plain_bits[] = {
2023   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2024   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2025   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2026} -maskdata $filemask
2027
2028image create bitmap file_mod -background white -foreground blue -data {
2029#define mod_width 14
2030#define mod_height 15
2031static unsigned char mod_bits[] = {
2032   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2033   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2034   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2035} -maskdata $filemask
2036
2037image create bitmap file_fulltick -background white -foreground "#007000" -data {
2038#define file_fulltick_width 14
2039#define file_fulltick_height 15
2040static unsigned char file_fulltick_bits[] = {
2041   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2042   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2043   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2044} -maskdata $filemask
2045
2046image create bitmap file_question -background white -foreground black -data {
2047#define file_question_width 14
2048#define file_question_height 15
2049static unsigned char file_question_bits[] = {
2050   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2051   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2052   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2053} -maskdata $filemask
2054
2055image create bitmap file_removed -background white -foreground red -data {
2056#define file_removed_width 14
2057#define file_removed_height 15
2058static unsigned char file_removed_bits[] = {
2059   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2060   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2061   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2062} -maskdata $filemask
2063
2064image create bitmap file_merge -background white -foreground blue -data {
2065#define file_merge_width 14
2066#define file_merge_height 15
2067static unsigned char file_merge_bits[] = {
2068   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2069   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2070   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2071} -maskdata $filemask
2072
2073image create bitmap file_statechange -background white -foreground green -data {
2074#define file_statechange_width 14
2075#define file_statechange_height 15
2076static unsigned char file_statechange_bits[] = {
2077   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2078   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2079   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2080} -maskdata $filemask
2081
2082set ui_index .vpane.files.index.list
2083set ui_workdir .vpane.files.workdir.list
2084
2085set all_icons(_$ui_index)   file_plain
2086set all_icons(A$ui_index)   file_plain
2087set all_icons(M$ui_index)   file_fulltick
2088set all_icons(D$ui_index)   file_removed
2089set all_icons(U$ui_index)   file_merge
2090set all_icons(T$ui_index)   file_statechange
2091
2092set all_icons(_$ui_workdir) file_plain
2093set all_icons(M$ui_workdir) file_mod
2094set all_icons(D$ui_workdir) file_question
2095set all_icons(U$ui_workdir) file_merge
2096set all_icons(O$ui_workdir) file_plain
2097set all_icons(T$ui_workdir) file_statechange
2098
2099set max_status_desc 0
2100foreach i {
2101                {__ {mc "Unmodified"}}
2102
2103                {_M {mc "Modified, not staged"}}
2104                {M_ {mc "Staged for commit"}}
2105                {MM {mc "Portions staged for commit"}}
2106                {MD {mc "Staged for commit, missing"}}
2107
2108                {_T {mc "File type changed, not staged"}}
2109                {MT {mc "File type changed, old type staged for commit"}}
2110                {AT {mc "File type changed, old type staged for commit"}}
2111                {T_ {mc "File type changed, staged"}}
2112                {TM {mc "File type change staged, modification not staged"}}
2113                {TD {mc "File type change staged, file missing"}}
2114
2115                {_O {mc "Untracked, not staged"}}
2116                {A_ {mc "Staged for commit"}}
2117                {AM {mc "Portions staged for commit"}}
2118                {AD {mc "Staged for commit, missing"}}
2119
2120                {_D {mc "Missing"}}
2121                {D_ {mc "Staged for removal"}}
2122                {DO {mc "Staged for removal, still present"}}
2123
2124                {_U {mc "Requires merge resolution"}}
2125                {U_ {mc "Requires merge resolution"}}
2126                {UU {mc "Requires merge resolution"}}
2127                {UM {mc "Requires merge resolution"}}
2128                {UD {mc "Requires merge resolution"}}
2129                {UT {mc "Requires merge resolution"}}
2130        } {
2131        set text [eval [lindex $i 1]]
2132        if {$max_status_desc < [string length $text]} {
2133                set max_status_desc [string length $text]
2134        }
2135        set all_descs([lindex $i 0]) $text
2136}
2137unset i
2138
2139######################################################################
2140##
2141## util
2142
2143proc scrollbar2many {list mode args} {
2144        foreach w $list {eval $w $mode $args}
2145}
2146
2147proc many2scrollbar {list mode sb top bottom} {
2148        $sb set $top $bottom
2149        foreach w $list {$w $mode moveto $top}
2150}
2151
2152proc incr_font_size {font {amt 1}} {
2153        set sz [font configure $font -size]
2154        incr sz $amt
2155        font configure $font -size $sz
2156        font configure ${font}bold -size $sz
2157        font configure ${font}italic -size $sz
2158}
2159
2160######################################################################
2161##
2162## ui commands
2163
2164set starting_gitk_msg [mc "Starting gitk... please wait..."]
2165
2166proc do_gitk {revs {is_submodule false}} {
2167        global current_diff_path file_states current_diff_side ui_index
2168        global _gitdir _gitworktree
2169
2170        # -- Always start gitk through whatever we were loaded with.  This
2171        #    lets us bypass using shell process on Windows systems.
2172        #
2173        set exe [_which gitk -script]
2174        set cmd [list [info nameofexecutable] $exe]
2175        if {$exe eq {}} {
2176                error_popup [mc "Couldn't find gitk in PATH"]
2177        } else {
2178                global env
2179
2180                set pwd [pwd]
2181
2182                if {!$is_submodule} {
2183                        if {![is_bare]} {
2184                                cd $_gitworktree
2185                        }
2186                } else {
2187                        cd $current_diff_path
2188                        if {$revs eq {--}} {
2189                                set s $file_states($current_diff_path)
2190                                set old_sha1 {}
2191                                set new_sha1 {}
2192                                switch -glob -- [lindex $s 0] {
2193                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2194                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2195                                MM {
2196                                        if {$current_diff_side eq $ui_index} {
2197                                                set old_sha1 [lindex [lindex $s 2] 1]
2198                                                set new_sha1 [lindex [lindex $s 3] 1]
2199                                        } else {
2200                                                set old_sha1 [lindex [lindex $s 3] 1]
2201                                        }
2202                                }
2203                                }
2204                                set revs $old_sha1...$new_sha1
2205                        }
2206                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2207                        # we've been using for the main repository, so unset them.
2208                        # TODO we could make life easier (start up faster?) for gitk
2209                        # by setting these to the appropriate values to allow gitk
2210                        # to skip the heuristics to find their proper value
2211                        unset env(GIT_DIR)
2212                        unset env(GIT_WORK_TREE)
2213                }
2214                eval exec $cmd $revs "--" "--" &
2215
2216                set env(GIT_DIR) $_gitdir
2217                set env(GIT_WORK_TREE) $_gitworktree
2218                cd $pwd
2219
2220                ui_status $::starting_gitk_msg
2221                after 10000 {
2222                        ui_ready $starting_gitk_msg
2223                }
2224        }
2225}
2226
2227proc do_git_gui {} {
2228        global current_diff_path
2229
2230        # -- Always start git gui through whatever we were loaded with.  This
2231        #    lets us bypass using shell process on Windows systems.
2232        #
2233        set exe [list [_which git]]
2234        if {$exe eq {}} {
2235                error_popup [mc "Couldn't find git gui in PATH"]
2236        } else {
2237                global env
2238                global _gitdir _gitworktree
2239
2240                # see note in do_gitk about unsetting these vars when
2241                # running tools in a submodule
2242                unset env(GIT_DIR)
2243                unset env(GIT_WORK_TREE)
2244
2245                set pwd [pwd]
2246                cd $current_diff_path
2247
2248                eval exec $exe gui &
2249
2250                set env(GIT_DIR) $_gitdir
2251                set env(GIT_WORK_TREE) $_gitworktree
2252                cd $pwd
2253
2254                ui_status $::starting_gitk_msg
2255                after 10000 {
2256                        ui_ready $starting_gitk_msg
2257                }
2258        }
2259}
2260
2261proc do_explore {} {
2262        global _gitworktree
2263        set explorer {}
2264        if {[is_Cygwin] || [is_Windows]} {
2265                set explorer "explorer.exe"
2266        } elseif {[is_MacOSX]} {
2267                set explorer "open"
2268        } else {
2269                # freedesktop.org-conforming system is our best shot
2270                set explorer "xdg-open"
2271        }
2272        eval exec $explorer [list [file nativename $_gitworktree]] &
2273}
2274
2275set is_quitting 0
2276set ret_code    1
2277
2278proc terminate_me {win} {
2279        global ret_code
2280        if {$win ne {.}} return
2281        exit $ret_code
2282}
2283
2284proc do_quit {{rc {1}}} {
2285        global ui_comm is_quitting repo_config commit_type
2286        global GITGUI_BCK_exists GITGUI_BCK_i
2287        global ui_comm_spell
2288        global ret_code use_ttk
2289
2290        if {$is_quitting} return
2291        set is_quitting 1
2292
2293        if {[winfo exists $ui_comm]} {
2294                # -- Stash our current commit buffer.
2295                #
2296                set save [gitdir GITGUI_MSG]
2297                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2298                        file rename -force [gitdir GITGUI_BCK] $save
2299                        set GITGUI_BCK_exists 0
2300                } else {
2301                        set msg [string trim [$ui_comm get 0.0 end]]
2302                        regsub -all -line {[ \r\t]+$} $msg {} msg
2303                        if {(![string match amend* $commit_type]
2304                                || [$ui_comm edit modified])
2305                                && $msg ne {}} {
2306                                catch {
2307                                        set fd [open $save w]
2308                                        fconfigure $fd -encoding utf-8
2309                                        puts -nonewline $fd $msg
2310                                        close $fd
2311                                }
2312                        } else {
2313                                catch {file delete $save}
2314                        }
2315                }
2316
2317                # -- Cancel our spellchecker if its running.
2318                #
2319                if {[info exists ui_comm_spell]} {
2320                        $ui_comm_spell stop
2321                }
2322
2323                # -- Remove our editor backup, its not needed.
2324                #
2325                after cancel $GITGUI_BCK_i
2326                if {$GITGUI_BCK_exists} {
2327                        catch {file delete [gitdir GITGUI_BCK]}
2328                }
2329
2330                # -- Stash our current window geometry into this repository.
2331                #
2332                set cfg_wmstate [wm state .]
2333                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2334                        set rc_wmstate {}
2335                }
2336                if {$cfg_wmstate ne $rc_wmstate} {
2337                        catch {git config gui.wmstate $cfg_wmstate}
2338                }
2339                if {$cfg_wmstate eq {zoomed}} {
2340                        # on Windows wm geometry will lie about window
2341                        # position (but not size) when window is zoomed
2342                        # restore the window before querying wm geometry
2343                        wm state . normal
2344                }
2345                set cfg_geometry [list]
2346                lappend cfg_geometry [wm geometry .]
2347                if {$use_ttk} {
2348                        lappend cfg_geometry [.vpane sashpos 0]
2349                        lappend cfg_geometry [.vpane.files sashpos 0]
2350                } else {
2351                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2352                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2353                }
2354                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2355                        set rc_geometry {}
2356                }
2357                if {$cfg_geometry ne $rc_geometry} {
2358                        catch {git config gui.geometry $cfg_geometry}
2359                }
2360        }
2361
2362        set ret_code $rc
2363
2364        # Briefly enable send again, working around Tk bug
2365        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2366        tk appname [appname]
2367
2368        destroy .
2369}
2370
2371proc do_rescan {} {
2372        rescan ui_ready
2373}
2374
2375proc ui_do_rescan {} {
2376        rescan {force_first_diff ui_ready}
2377}
2378
2379proc do_commit {} {
2380        commit_tree
2381}
2382
2383proc next_diff {{after {}}} {
2384        global next_diff_p next_diff_w next_diff_i
2385        show_diff $next_diff_p $next_diff_w {} {} $after
2386}
2387
2388proc find_anchor_pos {lst name} {
2389        set lid [lsearch -sorted -exact $lst $name]
2390
2391        if {$lid == -1} {
2392                set lid 0
2393                foreach lname $lst {
2394                        if {$lname >= $name} break
2395                        incr lid
2396                }
2397        }
2398
2399        return $lid
2400}
2401
2402proc find_file_from {flist idx delta path mmask} {
2403        global file_states
2404
2405        set len [llength $flist]
2406        while {$idx >= 0 && $idx < $len} {
2407                set name [lindex $flist $idx]
2408
2409                if {$name ne $path && [info exists file_states($name)]} {
2410                        set state [lindex $file_states($name) 0]
2411
2412                        if {$mmask eq {} || [regexp $mmask $state]} {
2413                                return $idx
2414                        }
2415                }
2416
2417                incr idx $delta
2418        }
2419
2420        return {}
2421}
2422
2423proc find_next_diff {w path {lno {}} {mmask {}}} {
2424        global next_diff_p next_diff_w next_diff_i
2425        global file_lists ui_index ui_workdir
2426
2427        set flist $file_lists($w)
2428        if {$lno eq {}} {
2429                set lno [find_anchor_pos $flist $path]
2430        } else {
2431                incr lno -1
2432        }
2433
2434        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2435                if {$w eq $ui_index} {
2436                        set mmask "^$mmask"
2437                } else {
2438                        set mmask "$mmask\$"
2439                }
2440        }
2441
2442        set idx [find_file_from $flist $lno 1 $path $mmask]
2443        if {$idx eq {}} {
2444                incr lno -1
2445                set idx [find_file_from $flist $lno -1 $path $mmask]
2446        }
2447
2448        if {$idx ne {}} {
2449                set next_diff_w $w
2450                set next_diff_p [lindex $flist $idx]
2451                set next_diff_i [expr {$idx+1}]
2452                return 1
2453        } else {
2454                return 0
2455        }
2456}
2457
2458proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2459        global current_diff_path
2460
2461        if {$path ne $current_diff_path} {
2462                return {}
2463        } elseif {[find_next_diff $w $path $lno $mmask]} {
2464                return {next_diff;}
2465        } else {
2466                return {reshow_diff;}
2467        }
2468}
2469
2470proc select_first_diff {after} {
2471        global ui_workdir
2472
2473        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2474            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2475                next_diff $after
2476        } else {
2477                uplevel #0 $after
2478        }
2479}
2480
2481proc force_first_diff {after} {
2482        global ui_workdir current_diff_path file_states
2483
2484        if {[info exists file_states($current_diff_path)]} {
2485                set state [lindex $file_states($current_diff_path) 0]
2486        } else {
2487                set state {OO}
2488        }
2489
2490        set reselect 0
2491        if {[string first {U} $state] >= 0} {
2492                # Already a conflict, do nothing
2493        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2494                set reselect 1
2495        } elseif {[string index $state 1] ne {O}} {
2496                # Already a diff & no conflicts, do nothing
2497        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2498                set reselect 1
2499        }
2500
2501        if {$reselect} {
2502                next_diff $after
2503        } else {
2504                uplevel #0 $after
2505        }
2506}
2507
2508proc toggle_or_diff {w x y} {
2509        global file_states file_lists current_diff_path ui_index ui_workdir
2510        global last_clicked selected_paths
2511
2512        set pos [split [$w index @$x,$y] .]
2513        set lno [lindex $pos 0]
2514        set col [lindex $pos 1]
2515        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2516        if {$path eq {}} {
2517                set last_clicked {}
2518                return
2519        }
2520
2521        set last_clicked [list $w $lno]
2522        array unset selected_paths
2523        $ui_index tag remove in_sel 0.0 end
2524        $ui_workdir tag remove in_sel 0.0 end
2525
2526        # Determine the state of the file
2527        if {[info exists file_states($path)]} {
2528                set state [lindex $file_states($path) 0]
2529        } else {
2530                set state {__}
2531        }
2532
2533        # Restage the file, or simply show the diff
2534        if {$col == 0 && $y > 1} {
2535                # Conflicts need special handling
2536                if {[string first {U} $state] >= 0} {
2537                        # $w must always be $ui_workdir, but...
2538                        if {$w ne $ui_workdir} { set lno {} }
2539                        merge_stage_workdir $path $lno
2540                        return
2541                }
2542
2543                if {[string index $state 1] eq {O}} {
2544                        set mmask {}
2545                } else {
2546                        set mmask {[^O]}
2547                }
2548
2549                set after [next_diff_after_action $w $path $lno $mmask]
2550
2551                if {$w eq $ui_index} {
2552                        update_indexinfo \
2553                                "Unstaging [short_path $path] from commit" \
2554                                [list $path] \
2555                                [concat $after [list ui_ready]]
2556                } elseif {$w eq $ui_workdir} {
2557                        update_index \
2558                                "Adding [short_path $path]" \
2559                                [list $path] \
2560                                [concat $after [list ui_ready]]
2561                }
2562        } else {
2563                set selected_paths($path) 1
2564                show_diff $path $w $lno
2565        }
2566}
2567
2568proc add_one_to_selection {w x y} {
2569        global file_lists last_clicked selected_paths
2570
2571        set lno [lindex [split [$w index @$x,$y] .] 0]
2572        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2573        if {$path eq {}} {
2574                set last_clicked {}
2575                return
2576        }
2577
2578        if {$last_clicked ne {}
2579                && [lindex $last_clicked 0] ne $w} {
2580                array unset selected_paths
2581                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2582        }
2583
2584        set last_clicked [list $w $lno]
2585        if {[catch {set in_sel $selected_paths($path)}]} {
2586                set in_sel 0
2587        }
2588        if {$in_sel} {
2589                unset selected_paths($path)
2590                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2591        } else {
2592                set selected_paths($path) 1
2593                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2594        }
2595}
2596
2597proc add_range_to_selection {w x y} {
2598        global file_lists last_clicked selected_paths
2599
2600        if {[lindex $last_clicked 0] ne $w} {
2601                toggle_or_diff $w $x $y
2602                return
2603        }
2604
2605        set lno [lindex [split [$w index @$x,$y] .] 0]
2606        set lc [lindex $last_clicked 1]
2607        if {$lc < $lno} {
2608                set begin $lc
2609                set end $lno
2610        } else {
2611                set begin $lno
2612                set end $lc
2613        }
2614
2615        foreach path [lrange $file_lists($w) \
2616                [expr {$begin - 1}] \
2617                [expr {$end - 1}]] {
2618                set selected_paths($path) 1
2619        }
2620        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2621}
2622
2623proc show_more_context {} {
2624        global repo_config
2625        if {$repo_config(gui.diffcontext) < 99} {
2626                incr repo_config(gui.diffcontext)
2627                reshow_diff
2628        }
2629}
2630
2631proc show_less_context {} {
2632        global repo_config
2633        if {$repo_config(gui.diffcontext) > 1} {
2634                incr repo_config(gui.diffcontext) -1
2635                reshow_diff
2636        }
2637}
2638
2639######################################################################
2640##
2641## ui construction
2642
2643set ui_comm {}
2644
2645# -- Menu Bar
2646#
2647menu .mbar -tearoff 0
2648if {[is_MacOSX]} {
2649        # -- Apple Menu (Mac OS X only)
2650        #
2651        .mbar add cascade -label Apple -menu .mbar.apple
2652        menu .mbar.apple
2653}
2654.mbar add cascade -label [mc Repository] -menu .mbar.repository
2655.mbar add cascade -label [mc Edit] -menu .mbar.edit
2656if {[is_enabled branch]} {
2657        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2658}
2659if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2660        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2661}
2662if {[is_enabled transport]} {
2663        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2664        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2665}
2666if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2667        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2668}
2669
2670# -- Repository Menu
2671#
2672menu .mbar.repository
2673
2674if {![is_bare]} {
2675        .mbar.repository add command \
2676                -label [mc "Explore Working Copy"] \
2677                -command {do_explore}
2678}
2679
2680if {[is_Windows]} {
2681        .mbar.repository add command \
2682                -label [mc "Git Bash"] \
2683                -command {eval exec [auto_execok start] \
2684                                          [list "Git Bash" bash --login -l &]}
2685}
2686
2687if {[is_Windows] || ![is_bare]} {
2688        .mbar.repository add separator
2689}
2690
2691.mbar.repository add command \
2692        -label [mc "Browse Current Branch's Files"] \
2693        -command {browser::new $current_branch}
2694set ui_browse_current [.mbar.repository index last]
2695.mbar.repository add command \
2696        -label [mc "Browse Branch Files..."] \
2697        -command browser_open::dialog
2698.mbar.repository add separator
2699
2700.mbar.repository add command \
2701        -label [mc "Visualize Current Branch's History"] \
2702        -command {do_gitk $current_branch}
2703set ui_visualize_current [.mbar.repository index last]
2704.mbar.repository add command \
2705        -label [mc "Visualize All Branch History"] \
2706        -command {do_gitk --all}
2707.mbar.repository add separator
2708
2709proc current_branch_write {args} {
2710        global current_branch
2711        .mbar.repository entryconf $::ui_browse_current \
2712                -label [mc "Browse %s's Files" $current_branch]
2713        .mbar.repository entryconf $::ui_visualize_current \
2714                -label [mc "Visualize %s's History" $current_branch]
2715}
2716trace add variable current_branch write current_branch_write
2717
2718if {[is_enabled multicommit]} {
2719        .mbar.repository add command -label [mc "Database Statistics"] \
2720                -command do_stats
2721
2722        .mbar.repository add command -label [mc "Compress Database"] \
2723                -command do_gc
2724
2725        .mbar.repository add command -label [mc "Verify Database"] \
2726                -command do_fsck_objects
2727
2728        .mbar.repository add separator
2729
2730        if {[is_Cygwin]} {
2731                .mbar.repository add command \
2732                        -label [mc "Create Desktop Icon"] \
2733                        -command do_cygwin_shortcut
2734        } elseif {[is_Windows]} {
2735                .mbar.repository add command \
2736                        -label [mc "Create Desktop Icon"] \
2737                        -command do_windows_shortcut
2738        } elseif {[is_MacOSX]} {
2739                .mbar.repository add command \
2740                        -label [mc "Create Desktop Icon"] \
2741                        -command do_macosx_app
2742        }
2743}
2744
2745if {[is_MacOSX]} {
2746        proc ::tk::mac::Quit {args} { do_quit }
2747} else {
2748        .mbar.repository add command -label [mc Quit] \
2749                -command do_quit \
2750                -accelerator $M1T-Q
2751}
2752
2753# -- Edit Menu
2754#
2755menu .mbar.edit
2756.mbar.edit add command -label [mc Undo] \
2757        -command {catch {[focus] edit undo}} \
2758        -accelerator $M1T-Z
2759.mbar.edit add command -label [mc Redo] \
2760        -command {catch {[focus] edit redo}} \
2761        -accelerator $M1T-Y
2762.mbar.edit add separator
2763.mbar.edit add command -label [mc Cut] \
2764        -command {catch {tk_textCut [focus]}} \
2765        -accelerator $M1T-X
2766.mbar.edit add command -label [mc Copy] \
2767        -command {catch {tk_textCopy [focus]}} \
2768        -accelerator $M1T-C
2769.mbar.edit add command -label [mc Paste] \
2770        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2771        -accelerator $M1T-V
2772.mbar.edit add command -label [mc Delete] \
2773        -command {catch {[focus] delete sel.first sel.last}} \
2774        -accelerator Del
2775.mbar.edit add separator
2776.mbar.edit add command -label [mc "Select All"] \
2777        -command {catch {[focus] tag add sel 0.0 end}} \
2778        -accelerator $M1T-A
2779
2780# -- Branch Menu
2781#
2782if {[is_enabled branch]} {
2783        menu .mbar.branch
2784
2785        .mbar.branch add command -label [mc "Create..."] \
2786                -command branch_create::dialog \
2787                -accelerator $M1T-N
2788        lappend disable_on_lock [list .mbar.branch entryconf \
2789                [.mbar.branch index last] -state]
2790
2791        .mbar.branch add command -label [mc "Checkout..."] \
2792                -command branch_checkout::dialog \
2793                -accelerator $M1T-O
2794        lappend disable_on_lock [list .mbar.branch entryconf \
2795                [.mbar.branch index last] -state]
2796
2797        .mbar.branch add command -label [mc "Rename..."] \
2798                -command branch_rename::dialog
2799        lappend disable_on_lock [list .mbar.branch entryconf \
2800                [.mbar.branch index last] -state]
2801
2802        .mbar.branch add command -label [mc "Delete..."] \
2803                -command branch_delete::dialog
2804        lappend disable_on_lock [list .mbar.branch entryconf \
2805                [.mbar.branch index last] -state]
2806
2807        .mbar.branch add command -label [mc "Reset..."] \
2808                -command merge::reset_hard
2809        lappend disable_on_lock [list .mbar.branch entryconf \
2810                [.mbar.branch index last] -state]
2811}
2812
2813# -- Commit Menu
2814#
2815proc commit_btn_caption {} {
2816        if {[is_enabled nocommit]} {
2817                return [mc "Done"]
2818        } else {
2819                return [mc Commit@@verb]
2820        }
2821}
2822
2823if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2824        menu .mbar.commit
2825
2826        if {![is_enabled nocommit]} {
2827                .mbar.commit add radiobutton \
2828                        -label [mc "New Commit"] \
2829                        -command do_select_commit_type \
2830                        -variable selected_commit_type \
2831                        -value new
2832                lappend disable_on_lock \
2833                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2834
2835                .mbar.commit add radiobutton \
2836                        -label [mc "Amend Last Commit"] \
2837                        -command do_select_commit_type \
2838                        -variable selected_commit_type \
2839                        -value amend
2840                lappend disable_on_lock \
2841                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2842
2843                .mbar.commit add separator
2844        }
2845
2846        .mbar.commit add command -label [mc Rescan] \
2847                -command ui_do_rescan \
2848                -accelerator F5
2849        lappend disable_on_lock \
2850                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2851
2852        .mbar.commit add command -label [mc "Stage To Commit"] \
2853                -command do_add_selection \
2854                -accelerator $M1T-T
2855        lappend disable_on_lock \
2856                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2857
2858        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2859                -command do_add_all \
2860                -accelerator $M1T-I
2861        lappend disable_on_lock \
2862                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2863
2864        .mbar.commit add command -label [mc "Unstage From Commit"] \
2865                -command do_unstage_selection \
2866                -accelerator $M1T-U
2867        lappend disable_on_lock \
2868                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2869
2870        .mbar.commit add command -label [mc "Revert Changes"] \
2871                -command do_revert_selection \
2872                -accelerator $M1T-J
2873        lappend disable_on_lock \
2874                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2875
2876        .mbar.commit add separator
2877
2878        .mbar.commit add command -label [mc "Show Less Context"] \
2879                -command show_less_context \
2880                -accelerator $M1T-\-
2881
2882        .mbar.commit add command -label [mc "Show More Context"] \
2883                -command show_more_context \
2884                -accelerator $M1T-=
2885
2886        .mbar.commit add separator
2887
2888        if {![is_enabled nocommitmsg]} {
2889                .mbar.commit add command -label [mc "Sign Off"] \
2890                        -command do_signoff \
2891                        -accelerator $M1T-S
2892        }
2893
2894        .mbar.commit add command -label [commit_btn_caption] \
2895                -command do_commit \
2896                -accelerator $M1T-Return
2897        lappend disable_on_lock \
2898                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2899}
2900
2901# -- Merge Menu
2902#
2903if {[is_enabled branch]} {
2904        menu .mbar.merge
2905        .mbar.merge add command -label [mc "Local Merge..."] \
2906                -command merge::dialog \
2907                -accelerator $M1T-M
2908        lappend disable_on_lock \
2909                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2910        .mbar.merge add command -label [mc "Abort Merge..."] \
2911                -command merge::reset_hard
2912        lappend disable_on_lock \
2913                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2914}
2915
2916# -- Transport Menu
2917#
2918if {[is_enabled transport]} {
2919        menu .mbar.remote
2920
2921        .mbar.remote add command \
2922                -label [mc "Add..."] \
2923                -command remote_add::dialog \
2924                -accelerator $M1T-A
2925        .mbar.remote add command \
2926                -label [mc "Push..."] \
2927                -command do_push_anywhere \
2928                -accelerator $M1T-P
2929        .mbar.remote add command \
2930                -label [mc "Delete Branch..."] \
2931                -command remote_branch_delete::dialog
2932}
2933
2934if {[is_MacOSX]} {
2935        proc ::tk::mac::ShowPreferences {} {do_options}
2936} else {
2937        # -- Edit Menu
2938        #
2939        .mbar.edit add separator
2940        .mbar.edit add command -label [mc "Options..."] \
2941                -command do_options
2942}
2943
2944# -- Tools Menu
2945#
2946if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2947        set tools_menubar .mbar.tools
2948        menu $tools_menubar
2949        $tools_menubar add separator
2950        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2951        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2952        set tools_tailcnt 3
2953        if {[array names repo_config guitool.*.cmd] ne {}} {
2954                tools_populate_all
2955        }
2956}
2957
2958# -- Help Menu
2959#
2960.mbar add cascade -label [mc Help] -menu .mbar.help
2961menu .mbar.help
2962
2963if {[is_MacOSX]} {
2964        .mbar.apple add command -label [mc "About %s" [appname]] \
2965                -command do_about
2966        .mbar.apple add separator
2967} else {
2968        .mbar.help add command -label [mc "About %s" [appname]] \
2969                -command do_about
2970}
2971. configure -menu .mbar
2972
2973set doc_path [githtmldir]
2974if {$doc_path ne {}} {
2975        set doc_path [file join $doc_path index.html]
2976
2977        if {[is_Cygwin]} {
2978                set doc_path [exec cygpath --mixed $doc_path]
2979        }
2980}
2981
2982if {[file isfile $doc_path]} {
2983        set doc_url "file:$doc_path"
2984} else {
2985        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2986}
2987
2988proc start_browser {url} {
2989        git "web--browse" $url
2990}
2991
2992.mbar.help add command -label [mc "Online Documentation"] \
2993        -command [list start_browser $doc_url]
2994
2995.mbar.help add command -label [mc "Show SSH Key"] \
2996        -command do_ssh_key
2997
2998unset doc_path doc_url
2999
3000# -- Standard bindings
3001#
3002wm protocol . WM_DELETE_WINDOW do_quit
3003bind all <$M1B-Key-q> do_quit
3004bind all <$M1B-Key-Q> do_quit
3005bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
3006bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
3007
3008set subcommand_args {}
3009proc usage {} {
3010        set s "usage: $::argv0 $::subcommand $::subcommand_args"
3011        if {[tk windowingsystem] eq "win32"} {
3012                wm withdraw .
3013                tk_messageBox -icon info -message $s \
3014                        -title [mc "Usage"]
3015        } else {
3016                puts stderr $s
3017        }
3018        exit 1
3019}
3020
3021proc normalize_relpath {path} {
3022        set elements {}
3023        foreach item [file split $path] {
3024                if {$item eq {.}} continue
3025                if {$item eq {..} && [llength $elements] > 0
3026                    && [lindex $elements end] ne {..}} {
3027                        set elements [lrange $elements 0 end-1]
3028                        continue
3029                }
3030                lappend elements $item
3031        }
3032        return [eval file join $elements]
3033}
3034
3035# -- Not a normal commit type invocation?  Do that instead!
3036#
3037switch -- $subcommand {
3038browser -
3039blame {
3040        if {$subcommand eq "blame"} {
3041                set subcommand_args {[--line=<num>] rev? path}
3042        } else {
3043                set subcommand_args {rev? path}
3044        }
3045        if {$argv eq {}} usage
3046        set head {}
3047        set path {}
3048        set jump_spec {}
3049        set is_path 0
3050        foreach a $argv {
3051                set p [file join $_prefix $a]
3052
3053                if {$is_path || [file exists $p]} {
3054                        if {$path ne {}} usage
3055                        set path [normalize_relpath $p]
3056                        break
3057                } elseif {$a eq {--}} {
3058                        if {$path ne {}} {
3059                                if {$head ne {}} usage
3060                                set head $path
3061                                set path {}
3062                        }
3063                        set is_path 1
3064                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3065                        if {$jump_spec ne {} || $head ne {}} usage
3066                        set jump_spec [list $lnum]
3067                } elseif {$head eq {}} {
3068                        if {$head ne {}} usage
3069                        set head $a
3070                        set is_path 1
3071                } else {
3072                        usage
3073                }
3074        }
3075        unset is_path
3076
3077        if {$head ne {} && $path eq {}} {
3078                if {[string index $head 0] eq {/}} {
3079                        set path [normalize_relpath $head]
3080                        set head {}
3081                } else {
3082                        set path [normalize_relpath $_prefix$head]
3083                        set head {}
3084                }
3085        }
3086
3087        if {$head eq {}} {
3088                load_current_branch
3089        } else {
3090                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3091                        if {[catch {
3092                                        set head [git rev-parse --verify $head]
3093                                } err]} {
3094                                if {[tk windowingsystem] eq "win32"} {
3095                                        tk_messageBox -icon error -title [mc Error] -message $err
3096                                } else {
3097                                        puts stderr $err
3098                                }
3099                                exit 1
3100                        }
3101                }
3102                set current_branch $head
3103        }
3104
3105        wm deiconify .
3106        switch -- $subcommand {
3107        browser {
3108                if {$jump_spec ne {}} usage
3109                if {$head eq {}} {
3110                        if {$path ne {} && [file isdirectory $path]} {
3111                                set head $current_branch
3112                        } else {
3113                                set head $path
3114                                set path {}
3115                        }
3116                }
3117                browser::new $head $path
3118        }
3119        blame   {
3120                if {$head eq {} && ![file exists $path]} {
3121                        catch {wm withdraw .}
3122                        tk_messageBox \
3123                                -icon error \
3124                                -type ok \
3125                                -title [mc "git-gui: fatal error"] \
3126                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3127                        exit 1
3128                }
3129                blame::new $head $path $jump_spec
3130        }
3131        }
3132        return
3133}
3134citool -
3135gui {
3136        if {[llength $argv] != 0} {
3137                usage
3138        }
3139        # fall through to setup UI for commits
3140}
3141default {
3142        set err "usage: $argv0 \[{blame|browser|citool}\]"
3143        if {[tk windowingsystem] eq "win32"} {
3144                wm withdraw .
3145                tk_messageBox -icon error -message $err \
3146                        -title [mc "Usage"]
3147        } else {
3148                puts stderr $err
3149        }
3150        exit 1
3151}
3152}
3153
3154# -- Branch Control
3155#
3156${NS}::frame .branch
3157if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3158${NS}::label .branch.l1 \
3159        -text [mc "Current Branch:"] \
3160        -anchor w \
3161        -justify left
3162${NS}::label .branch.cb \
3163        -textvariable current_branch \
3164        -anchor w \
3165        -justify left
3166pack .branch.l1 -side left
3167pack .branch.cb -side left -fill x
3168pack .branch -side top -fill x
3169
3170# -- Main Window Layout
3171#
3172${NS}::panedwindow .vpane -orient horizontal
3173${NS}::panedwindow .vpane.files -orient vertical
3174if {$use_ttk} {
3175        .vpane add .vpane.files
3176} else {
3177        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3178}
3179pack .vpane -anchor n -side top -fill both -expand 1
3180
3181# -- Index File List
3182#
3183${NS}::frame .vpane.files.index -height 100 -width 200
3184tlabel .vpane.files.index.title \
3185        -text [mc "Staged Changes (Will Commit)"] \
3186        -background lightgreen -foreground black
3187text $ui_index -background white -foreground black \
3188        -borderwidth 0 \
3189        -width 20 -height 10 \
3190        -wrap none \
3191        -cursor $cursor_ptr \
3192        -xscrollcommand {.vpane.files.index.sx set} \
3193        -yscrollcommand {.vpane.files.index.sy set} \
3194        -state disabled
3195${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3196${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3197pack .vpane.files.index.title -side top -fill x
3198pack .vpane.files.index.sx -side bottom -fill x
3199pack .vpane.files.index.sy -side right -fill y
3200pack $ui_index -side left -fill both -expand 1
3201
3202# -- Working Directory File List
3203#
3204${NS}::frame .vpane.files.workdir -height 100 -width 200
3205tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3206        -background lightsalmon -foreground black
3207text $ui_workdir -background white -foreground black \
3208        -borderwidth 0 \
3209        -width 20 -height 10 \
3210        -wrap none \
3211        -cursor $cursor_ptr \
3212        -xscrollcommand {.vpane.files.workdir.sx set} \
3213        -yscrollcommand {.vpane.files.workdir.sy set} \
3214        -state disabled
3215${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3216${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3217pack .vpane.files.workdir.title -side top -fill x
3218pack .vpane.files.workdir.sx -side bottom -fill x
3219pack .vpane.files.workdir.sy -side right -fill y
3220pack $ui_workdir -side left -fill both -expand 1
3221
3222.vpane.files add .vpane.files.workdir
3223.vpane.files add .vpane.files.index
3224if {!$use_ttk} {
3225        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3226        .vpane.files paneconfigure .vpane.files.index -sticky news
3227}
3228
3229foreach i [list $ui_index $ui_workdir] {
3230        rmsel_tag $i
3231        $i tag conf in_diff -background [$i tag cget in_sel -background]
3232}
3233unset i
3234
3235# -- Diff and Commit Area
3236#
3237if {$have_tk85} {
3238        ${NS}::panedwindow .vpane.lower -orient vertical
3239        ${NS}::frame .vpane.lower.commarea
3240        ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3241        .vpane.lower add .vpane.lower.diff
3242        .vpane.lower add .vpane.lower.commarea
3243        .vpane add .vpane.lower
3244        if {$use_ttk} {
3245                .vpane.lower pane .vpane.lower.diff -weight 1
3246                .vpane.lower pane .vpane.lower.commarea -weight 0
3247        } else {
3248                .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3249                .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3250        }
3251} else {
3252        frame .vpane.lower -height 300 -width 400
3253        frame .vpane.lower.commarea
3254        frame .vpane.lower.diff -relief sunken -borderwidth 1
3255        pack .vpane.lower.diff -fill both -expand 1
3256        pack .vpane.lower.commarea -side bottom -fill x
3257        .vpane add .vpane.lower
3258        .vpane paneconfigure .vpane.lower -sticky nsew
3259}
3260
3261# -- Commit Area Buttons
3262#
3263${NS}::frame .vpane.lower.commarea.buttons
3264${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3265        -anchor w \
3266        -justify left
3267pack .vpane.lower.commarea.buttons.l -side top -fill x
3268pack .vpane.lower.commarea.buttons -side left -fill y
3269
3270${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3271        -command ui_do_rescan
3272pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3273lappend disable_on_lock \
3274        {.vpane.lower.commarea.buttons.rescan conf -state}
3275
3276${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3277        -command do_add_all
3278pack .vpane.lower.commarea.buttons.incall -side top -fill x
3279lappend disable_on_lock \
3280        {.vpane.lower.commarea.buttons.incall conf -state}
3281
3282if {![is_enabled nocommitmsg]} {
3283        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3284                -command do_signoff
3285        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3286}
3287
3288${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3289        -command do_commit
3290pack .vpane.lower.commarea.buttons.commit -side top -fill x
3291lappend disable_on_lock \
3292        {.vpane.lower.commarea.buttons.commit conf -state}
3293
3294if {![is_enabled nocommit]} {
3295        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3296                -command do_push_anywhere
3297        pack .vpane.lower.commarea.buttons.push -side top -fill x
3298}
3299
3300# -- Commit Message Buffer
3301#
3302${NS}::frame .vpane.lower.commarea.buffer
3303${NS}::frame .vpane.lower.commarea.buffer.header
3304set ui_comm .vpane.lower.commarea.buffer.t
3305set ui_coml .vpane.lower.commarea.buffer.header.l
3306
3307if {![is_enabled nocommit]} {
3308        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3309                -text [mc "New Commit"] \
3310                -command do_select_commit_type \
3311                -variable selected_commit_type \
3312                -value new
3313        lappend disable_on_lock \
3314                [list .vpane.lower.commarea.buffer.header.new conf -state]
3315        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3316                -text [mc "Amend Last Commit"] \
3317                -command do_select_commit_type \
3318                -variable selected_commit_type \
3319                -value amend
3320        lappend disable_on_lock \
3321                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3322}
3323
3324${NS}::label $ui_coml \
3325        -anchor w \
3326        -justify left
3327proc trace_commit_type {varname args} {
3328        global ui_coml commit_type
3329        switch -glob -- $commit_type {
3330        initial       {set txt [mc "Initial Commit Message:"]}
3331        amend         {set txt [mc "Amended Commit Message:"]}
3332        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3333        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3334        merge         {set txt [mc "Merge Commit Message:"]}
3335        *             {set txt [mc "Commit Message:"]}
3336        }
3337        $ui_coml conf -text $txt
3338}
3339trace add variable commit_type write trace_commit_type
3340pack $ui_coml -side left -fill x
3341
3342if {![is_enabled nocommit]} {
3343        pack .vpane.lower.commarea.buffer.header.amend -side right
3344        pack .vpane.lower.commarea.buffer.header.new -side right
3345}
3346
3347text $ui_comm -background white -foreground black \
3348        -borderwidth 1 \
3349        -undo true \
3350        -maxundo 20 \
3351        -autoseparators true \
3352        -relief sunken \
3353        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3354        -font font_diff \
3355        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3356${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3357        -command [list $ui_comm yview]
3358pack .vpane.lower.commarea.buffer.header -side top -fill x
3359pack .vpane.lower.commarea.buffer.sby -side right -fill y
3360pack $ui_comm -side left -fill y
3361pack .vpane.lower.commarea.buffer -side left -fill y
3362
3363# -- Commit Message Buffer Context Menu
3364#
3365set ctxm .vpane.lower.commarea.buffer.ctxm
3366menu $ctxm -tearoff 0
3367$ctxm add command \
3368        -label [mc Cut] \
3369        -command {tk_textCut $ui_comm}
3370$ctxm add command \
3371        -label [mc Copy] \
3372        -command {tk_textCopy $ui_comm}
3373$ctxm add command \
3374        -label [mc Paste] \
3375        -command {tk_textPaste $ui_comm}
3376$ctxm add command \
3377        -label [mc Delete] \
3378        -command {catch {$ui_comm delete sel.first sel.last}}
3379$ctxm add separator
3380$ctxm add command \
3381        -label [mc "Select All"] \
3382        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3383$ctxm add command \
3384        -label [mc "Copy All"] \
3385        -command {
3386                $ui_comm tag add sel 0.0 end
3387                tk_textCopy $ui_comm
3388                $ui_comm tag remove sel 0.0 end
3389        }
3390$ctxm add separator
3391$ctxm add command \
3392        -label [mc "Sign Off"] \
3393        -command do_signoff
3394set ui_comm_ctxm $ctxm
3395
3396# -- Diff Header
3397#
3398proc trace_current_diff_path {varname args} {
3399        global current_diff_path diff_actions file_states
3400        if {$current_diff_path eq {}} {
3401                set s {}
3402                set f {}
3403                set p {}
3404                set o disabled
3405        } else {
3406                set p $current_diff_path
3407                set s [mapdesc [lindex $file_states($p) 0] $p]
3408                set f [mc "File:"]
3409                set p [escape_path $p]
3410                set o normal
3411        }
3412
3413        .vpane.lower.diff.header.status configure -text $s
3414        .vpane.lower.diff.header.file configure -text $f
3415        .vpane.lower.diff.header.path configure -text $p
3416        foreach w $diff_actions {
3417                uplevel #0 $w $o
3418        }
3419}
3420trace add variable current_diff_path write trace_current_diff_path
3421
3422gold_frame .vpane.lower.diff.header
3423tlabel .vpane.lower.diff.header.status \
3424        -background gold \
3425        -foreground black \
3426        -width $max_status_desc \
3427        -anchor w \
3428        -justify left
3429tlabel .vpane.lower.diff.header.file \
3430        -background gold \
3431        -foreground black \
3432        -anchor w \
3433        -justify left
3434tlabel .vpane.lower.diff.header.path \
3435        -background gold \
3436        -foreground black \
3437        -anchor w \
3438        -justify left
3439pack .vpane.lower.diff.header.status -side left
3440pack .vpane.lower.diff.header.file -side left
3441pack .vpane.lower.diff.header.path -fill x
3442set ctxm .vpane.lower.diff.header.ctxm
3443menu $ctxm -tearoff 0
3444$ctxm add command \
3445        -label [mc Copy] \
3446        -command {
3447                clipboard clear
3448                clipboard append \
3449                        -format STRING \
3450                        -type STRING \
3451                        -- $current_diff_path
3452        }
3453lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3454bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3455
3456# -- Diff Body
3457#
3458${NS}::frame .vpane.lower.diff.body
3459set ui_diff .vpane.lower.diff.body.t
3460text $ui_diff -background white -foreground black \
3461        -borderwidth 0 \
3462        -width 80 -height 5 -wrap none \
3463        -font font_diff \
3464        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3465        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3466        -state disabled
3467catch {$ui_diff configure -tabstyle wordprocessor}
3468${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3469        -command [list $ui_diff xview]
3470${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3471        -command [list $ui_diff yview]
3472pack .vpane.lower.diff.body.sbx -side bottom -fill x
3473pack .vpane.lower.diff.body.sby -side right -fill y
3474pack $ui_diff -side left -fill both -expand 1
3475pack .vpane.lower.diff.header -side top -fill x
3476pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3477
3478foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3479        $ui_diff tag configure clr4$n -background $c
3480        $ui_diff tag configure clri4$n -foreground $c
3481        $ui_diff tag configure clr3$n -foreground $c
3482        $ui_diff tag configure clri3$n -background $c
3483}
3484$ui_diff tag configure clr1 -font font_diffbold
3485$ui_diff tag configure clr4 -underline 1
3486
3487$ui_diff tag conf d_info -foreground blue -font font_diffbold
3488
3489$ui_diff tag conf d_cr -elide true
3490$ui_diff tag conf d_@ -font font_diffbold
3491$ui_diff tag conf d_+ -foreground {#00a000}
3492$ui_diff tag conf d_- -foreground red
3493
3494$ui_diff tag conf d_++ -foreground {#00a000}
3495$ui_diff tag conf d_-- -foreground red
3496$ui_diff tag conf d_+s \
3497        -foreground {#00a000} \
3498        -background {#e2effa}
3499$ui_diff tag conf d_-s \
3500        -foreground red \
3501        -background {#e2effa}
3502$ui_diff tag conf d_s+ \
3503        -foreground {#00a000} \
3504        -background ivory1
3505$ui_diff tag conf d_s- \
3506        -foreground red \
3507        -background ivory1
3508
3509$ui_diff tag conf d< \
3510        -foreground orange \
3511        -font font_diffbold
3512$ui_diff tag conf d= \
3513        -foreground orange \
3514        -font font_diffbold
3515$ui_diff tag conf d> \
3516        -foreground orange \
3517        -font font_diffbold
3518
3519$ui_diff tag raise sel
3520
3521# -- Diff Body Context Menu
3522#
3523
3524proc create_common_diff_popup {ctxm} {
3525        $ctxm add command \
3526                -label [mc Refresh] \
3527                -command reshow_diff
3528        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3529        $ctxm add command \
3530                -label [mc Copy] \
3531                -command {tk_textCopy $ui_diff}
3532        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3533        $ctxm add command \
3534                -label [mc "Select All"] \
3535                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3536        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3537        $ctxm add command \
3538                -label [mc "Copy All"] \
3539                -command {
3540                        $ui_diff tag add sel 0.0 end
3541                        tk_textCopy $ui_diff
3542                        $ui_diff tag remove sel 0.0 end
3543                }
3544        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3545        $ctxm add separator
3546        $ctxm add command \
3547                -label [mc "Decrease Font Size"] \
3548                -command {incr_font_size font_diff -1}
3549        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3550        $ctxm add command \
3551                -label [mc "Increase Font Size"] \
3552                -command {incr_font_size font_diff 1}
3553        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3554        $ctxm add separator
3555        set emenu $ctxm.enc
3556        menu $emenu
3557        build_encoding_menu $emenu [list force_diff_encoding]
3558        $ctxm add cascade \
3559                -label [mc "Encoding"] \
3560                -menu $emenu
3561        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3562        $ctxm add separator
3563        $ctxm add command -label [mc "Options..."] \
3564                -command do_options
3565}
3566
3567set ctxm .vpane.lower.diff.body.ctxm
3568menu $ctxm -tearoff 0
3569$ctxm add command \
3570        -label [mc "Apply/Reverse Hunk"] \
3571        -command {apply_hunk $cursorX $cursorY}
3572set ui_diff_applyhunk [$ctxm index last]
3573lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3574$ctxm add command \
3575        -label [mc "Apply/Reverse Line"] \
3576        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3577set ui_diff_applyline [$ctxm index last]
3578lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3579$ctxm add separator
3580$ctxm add command \
3581        -label [mc "Show Less Context"] \
3582        -command show_less_context
3583lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3584$ctxm add command \
3585        -label [mc "Show More Context"] \
3586        -command show_more_context
3587lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3588$ctxm add separator
3589create_common_diff_popup $ctxm
3590
3591set ctxmmg .vpane.lower.diff.body.ctxmmg
3592menu $ctxmmg -tearoff 0
3593$ctxmmg add command \
3594        -label [mc "Run Merge Tool"] \
3595        -command {merge_resolve_tool}
3596lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3597$ctxmmg add separator
3598$ctxmmg add command \
3599        -label [mc "Use Remote Version"] \
3600        -command {merge_resolve_one 3}
3601lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3602$ctxmmg add command \
3603        -label [mc "Use Local Version"] \
3604        -command {merge_resolve_one 2}
3605lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3606$ctxmmg add command \
3607        -label [mc "Revert To Base"] \
3608        -command {merge_resolve_one 1}
3609lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3610$ctxmmg add separator
3611$ctxmmg add command \
3612        -label [mc "Show Less Context"] \
3613        -command show_less_context
3614lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3615$ctxmmg add command \
3616        -label [mc "Show More Context"] \
3617        -command show_more_context
3618lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3619$ctxmmg add separator
3620create_common_diff_popup $ctxmmg
3621
3622set ctxmsm .vpane.lower.diff.body.ctxmsm
3623menu $ctxmsm -tearoff 0
3624$ctxmsm add command \
3625        -label [mc "Visualize These Changes In The Submodule"] \
3626        -command {do_gitk -- true}
3627lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3628$ctxmsm add command \
3629        -label [mc "Visualize Current Branch History In The Submodule"] \
3630        -command {do_gitk {} true}
3631lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3632$ctxmsm add command \
3633        -label [mc "Visualize All Branch History In The Submodule"] \
3634        -command {do_gitk --all true}
3635lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3636$ctxmsm add separator
3637$ctxmsm add command \
3638        -label [mc "Start git gui In The Submodule"] \
3639        -command {do_git_gui}
3640lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3641$ctxmsm add separator
3642create_common_diff_popup $ctxmsm
3643
3644proc has_textconv {path} {
3645        if {[is_config_false gui.textconv]} {
3646                return 0
3647        }
3648        set filter [gitattr $path diff set]
3649        set textconv [get_config [join [list diff $filter textconv] .]]
3650        if {$filter ne {set} && $textconv ne {}} {
3651                return 1
3652        } else {
3653                return 0
3654        }
3655}
3656
3657proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3658        global current_diff_path file_states
3659        set ::cursorX $x
3660        set ::cursorY $y
3661        if {[info exists file_states($current_diff_path)]} {
3662                set state [lindex $file_states($current_diff_path) 0]
3663        } else {
3664                set state {__}
3665        }
3666        if {[string first {U} $state] >= 0} {
3667                tk_popup $ctxmmg $X $Y
3668        } elseif {$::is_submodule_diff} {
3669                tk_popup $ctxmsm $X $Y
3670        } else {
3671                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3672                if {$::ui_index eq $::current_diff_side} {
3673                        set l [mc "Unstage Hunk From Commit"]
3674                        if {$has_range} {
3675                                set t [mc "Unstage Lines From Commit"]
3676                        } else {
3677                                set t [mc "Unstage Line From Commit"]
3678                        }
3679                } else {
3680                        set l [mc "Stage Hunk For Commit"]
3681                        if {$has_range} {
3682                                set t [mc "Stage Lines For Commit"]
3683                        } else {
3684                                set t [mc "Stage Line For Commit"]
3685                        }
3686                }
3687                if {$::is_3way_diff
3688                        || $current_diff_path eq {}
3689                        || {__} eq $state
3690                        || {_O} eq $state
3691                        || [string match {?T} $state]
3692                        || [string match {T?} $state]
3693                        || [has_textconv $current_diff_path]} {
3694                        set s disabled
3695                } else {
3696                        set s normal
3697                }
3698                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3699                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3700                tk_popup $ctxm $X $Y
3701        }
3702}
3703bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3704
3705# -- Status Bar
3706#
3707set main_status [::status_bar::new .status]
3708pack .status -anchor w -side bottom -fill x
3709$main_status show [mc "Initializing..."]
3710
3711# -- Load geometry
3712#
3713proc on_ttk_pane_mapped {w pane pos} {
3714        bind $w <Map> {}
3715        after 0 [list after idle [list $w sashpos $pane $pos]]
3716}
3717proc on_tk_pane_mapped {w pane x y} {
3718        bind $w <Map> {}
3719        after 0 [list after idle [list $w sash place $pane $x $y]]
3720}
3721proc on_application_mapped {} {
3722        global repo_config use_ttk
3723        bind . <Map> {}
3724        set gm $repo_config(gui.geometry)
3725        if {$use_ttk} {
3726                bind .vpane <Map> \
3727                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3728                bind .vpane.files <Map> \
3729                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3730        } else {
3731                bind .vpane <Map> \
3732                    [list on_tk_pane_mapped %W 0 \
3733                         [lindex $gm 1] \
3734                         [lindex [.vpane sash coord 0] 1]]
3735                bind .vpane.files <Map> \
3736                    [list on_tk_pane_mapped %W 0 \
3737                         [lindex [.vpane.files sash coord 0] 0] \
3738                         [lindex $gm 2]]
3739        }
3740        wm geometry . [lindex $gm 0]
3741}
3742if {[info exists repo_config(gui.geometry)]} {
3743        bind . <Map> [list on_application_mapped]
3744        wm geometry . [lindex $repo_config(gui.geometry) 0]
3745}
3746
3747# -- Load window state
3748#
3749if {[info exists repo_config(gui.wmstate)]} {
3750        catch {wm state . $repo_config(gui.wmstate)}
3751}
3752
3753# -- Key Bindings
3754#
3755bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3756bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3757bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3758bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3759bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3760bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3761bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3762bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3763bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3764bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3765bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3766bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3767bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3768bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3769bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3770bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3771bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3772bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3773bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3774bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3775bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3776bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3777
3778bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3779bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3780bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3781bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3782bind $ui_diff <$M1B-Key-v> {break}
3783bind $ui_diff <$M1B-Key-V> {break}
3784bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3785bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3786bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3787bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3788bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3789bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3790bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3791bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3792bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3793bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3794bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3795bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3796bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3797bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3798bind $ui_diff <Button-1>   {focus %W}
3799
3800if {[is_enabled branch]} {
3801        bind . <$M1B-Key-n> branch_create::dialog
3802        bind . <$M1B-Key-N> branch_create::dialog
3803        bind . <$M1B-Key-o> branch_checkout::dialog
3804        bind . <$M1B-Key-O> branch_checkout::dialog
3805        bind . <$M1B-Key-m> merge::dialog
3806        bind . <$M1B-Key-M> merge::dialog
3807}
3808if {[is_enabled transport]} {
3809        bind . <$M1B-Key-p> do_push_anywhere
3810        bind . <$M1B-Key-P> do_push_anywhere
3811}
3812
3813bind .   <Key-F5>     ui_do_rescan
3814bind .   <$M1B-Key-r> ui_do_rescan
3815bind .   <$M1B-Key-R> ui_do_rescan
3816bind .   <$M1B-Key-s> do_signoff
3817bind .   <$M1B-Key-S> do_signoff
3818bind .   <$M1B-Key-t> do_add_selection
3819bind .   <$M1B-Key-T> do_add_selection
3820bind .   <$M1B-Key-u> do_unstage_selection
3821bind .   <$M1B-Key-U> do_unstage_selection
3822bind .   <$M1B-Key-j> do_revert_selection
3823bind .   <$M1B-Key-J> do_revert_selection
3824bind .   <$M1B-Key-i> do_add_all
3825bind .   <$M1B-Key-I> do_add_all
3826bind .   <$M1B-Key-minus> {show_less_context;break}
3827bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3828bind .   <$M1B-Key-equal> {show_more_context;break}
3829bind .   <$M1B-Key-plus> {show_more_context;break}
3830bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3831bind .   <$M1B-Key-Return> do_commit
3832foreach i [list $ui_index $ui_workdir] {
3833        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3834        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3835        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3836}
3837unset i
3838
3839set file_lists($ui_index) [list]
3840set file_lists($ui_workdir) [list]
3841
3842wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3843focus -force $ui_comm
3844
3845# -- Warn the user about environmental problems.  Cygwin's Tcl
3846#    does *not* pass its env array onto any processes it spawns.
3847#    This means that git processes get none of our environment.
3848#
3849if {[is_Cygwin]} {
3850        set ignored_env 0
3851        set suggest_user {}
3852        set msg [mc "Possible environment issues exist.
3853
3854The following environment variables are probably
3855going to be ignored by any Git subprocess run
3856by %s:
3857
3858" [appname]]
3859        foreach name [array names env] {
3860                switch -regexp -- $name {
3861                {^GIT_INDEX_FILE$} -
3862                {^GIT_OBJECT_DIRECTORY$} -
3863                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3864                {^GIT_DIFF_OPTS$} -
3865                {^GIT_EXTERNAL_DIFF$} -
3866                {^GIT_PAGER$} -
3867                {^GIT_TRACE$} -
3868                {^GIT_CONFIG$} -
3869                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3870                        append msg " - $name\n"
3871                        incr ignored_env
3872                }
3873                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3874                        append msg " - $name\n"
3875                        incr ignored_env
3876                        set suggest_user $name
3877                }
3878                }
3879        }
3880        if {$ignored_env > 0} {
3881                append msg [mc "
3882This is due to a known issue with the
3883Tcl binary distributed by Cygwin."]
3884
3885                if {$suggest_user ne {}} {
3886                        append msg [mc "
3887
3888A good replacement for %s
3889is placing values for the user.name and
3890user.email settings into your personal
3891~/.gitconfig file.
3892" $suggest_user]
3893                }
3894                warn_popup $msg
3895        }
3896        unset ignored_env msg suggest_user name
3897}
3898
3899# -- Only initialize complex UI if we are going to stay running.
3900#
3901if {[is_enabled transport]} {
3902        load_all_remotes
3903
3904        set n [.mbar.remote index end]
3905        populate_remotes_menu
3906        set n [expr {[.mbar.remote index end] - $n}]
3907        if {$n > 0} {
3908                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3909                .mbar.remote insert $n separator
3910        }
3911        unset n
3912}
3913
3914if {[winfo exists $ui_comm]} {
3915        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3916
3917        # -- If both our backup and message files exist use the
3918        #    newer of the two files to initialize the buffer.
3919        #
3920        if {$GITGUI_BCK_exists} {
3921                set m [gitdir GITGUI_MSG]
3922                if {[file isfile $m]} {
3923                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3924                                catch {file delete [gitdir GITGUI_MSG]}
3925                        } else {
3926                                $ui_comm delete 0.0 end
3927                                $ui_comm edit reset
3928                                $ui_comm edit modified false
3929                                catch {file delete [gitdir GITGUI_BCK]}
3930                                set GITGUI_BCK_exists 0
3931                        }
3932                }
3933                unset m
3934        }
3935
3936        proc backup_commit_buffer {} {
3937                global ui_comm GITGUI_BCK_exists
3938
3939                set m [$ui_comm edit modified]
3940                if {$m || $GITGUI_BCK_exists} {
3941                        set msg [string trim [$ui_comm get 0.0 end]]
3942                        regsub -all -line {[ \r\t]+$} $msg {} msg
3943
3944                        if {$msg eq {}} {
3945                                if {$GITGUI_BCK_exists} {
3946                                        catch {file delete [gitdir GITGUI_BCK]}
3947                                        set GITGUI_BCK_exists 0
3948                                }
3949                        } elseif {$m} {
3950                                catch {
3951                                        set fd [open [gitdir GITGUI_BCK] w]
3952                                        fconfigure $fd -encoding utf-8
3953                                        puts -nonewline $fd $msg
3954                                        close $fd
3955                                        set GITGUI_BCK_exists 1
3956                                }
3957                        }
3958
3959                        $ui_comm edit modified false
3960                }
3961
3962                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3963        }
3964
3965        backup_commit_buffer
3966
3967        # -- If the user has aspell available we can drive it
3968        #    in pipe mode to spellcheck the commit message.
3969        #
3970        set spell_cmd [list |]
3971        set spell_dict [get_config gui.spellingdictionary]
3972        lappend spell_cmd aspell
3973        if {$spell_dict ne {}} {
3974                lappend spell_cmd --master=$spell_dict
3975        }
3976        lappend spell_cmd --mode=none
3977        lappend spell_cmd --encoding=utf-8
3978        lappend spell_cmd pipe
3979        if {$spell_dict eq {none}
3980         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3981                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3982        } else {
3983                set ui_comm_spell [spellcheck::init \
3984                        $spell_fd \
3985                        $ui_comm \
3986                        $ui_comm_ctxm \
3987                ]
3988        }
3989        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3990}
3991
3992lock_index begin-read
3993if {![winfo ismapped .]} {
3994        wm deiconify .
3995}
3996after 1 {
3997        if {[is_enabled initialamend]} {
3998                force_amend
3999        } else {
4000                do_rescan
4001        }
4002
4003        if {[is_enabled nocommitmsg]} {
4004                $ui_comm configure -state disabled -background gray
4005        }
4006}
4007if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
4008        after 1000 hint_gc
4009}
4010if {[is_enabled retcode]} {
4011        bind . <Destroy> {+terminate_me %W}
4012}
4013if {$picked && [is_config_true gui.autoexplore]} {
4014        do_explore
4015}
4016
4017# Local variables:
4018# mode: tcl
4019# indent-tabs-mode: t
4020# tab-width: 4
4021# End: