git-gui / git-gui.shon commit Merge branch 'as/grep-fullname-config' (52df917)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [string map [list (c) \u00a9] {
  14Copyright (c) 2006-2010 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title "git-gui: fatal error" \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$oguirel eq {1}} {
  55        set oguilib [file dirname [file normalize $argv0]]
  56        if {[file tail $oguilib] eq {git-core}} {
  57                set oguilib [file dirname $oguilib]
  58        }
  59        set oguilib [file dirname $oguilib]
  60        set oguilib [file join $oguilib share git-gui lib]
  61        set oguimsg [file join $oguilib msgs]
  62} elseif {[string match @@* $oguirel]} {
  63        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65} else {
  66        set oguimsg [file join $oguilib msgs]
  67}
  68unset oguirel
  69
  70######################################################################
  71##
  72## enable verbose loading?
  73
  74if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75        unset _verbose
  76        rename auto_load real__auto_load
  77        proc auto_load {name args} {
  78                puts stderr "auto_load $name"
  79                return [uplevel 1 real__auto_load $name $args]
  80        }
  81        rename source real__source
  82        proc source {name} {
  83                puts stderr "source    $name"
  84                uplevel 1 real__source $name
  85        }
  86        if {[tk windowingsystem] eq "win32"} { console show }
  87}
  88
  89######################################################################
  90##
  91## Internationalization (i18n) through msgcat and gettext. See
  92## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  93
  94package require msgcat
  95
  96# Check for Windows 7 MUI language pack (missed by msgcat < 1.4.4)
  97if {[tk windowingsystem] eq "win32"
  98        && [package vcompare [package provide msgcat] 1.4.4] < 0
  99} then {
 100        proc _mc_update_locale {} {
 101                set key {HKEY_CURRENT_USER\Control Panel\Desktop}
 102                if {![catch {
 103                        package require registry
 104                        set uilocale [registry get $key "PreferredUILanguages"]
 105                        msgcat::ConvertLocale [string map {- _} [lindex $uilocale 0]]
 106                } uilocale]} {
 107                        if {[string length $uilocale] > 0} {
 108                                msgcat::mclocale $uilocale
 109                        }
 110                }
 111        }
 112        _mc_update_locale
 113}
 114
 115proc _mc_trim {fmt} {
 116        set cmk [string first @@ $fmt]
 117        if {$cmk > 0} {
 118                return [string range $fmt 0 [expr {$cmk - 1}]]
 119        }
 120        return $fmt
 121}
 122
 123proc mc {en_fmt args} {
 124        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 125        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 126                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 127        }
 128        return $msg
 129}
 130
 131proc strcat {args} {
 132        return [join $args {}]
 133}
 134
 135::msgcat::mcload $oguimsg
 136unset oguimsg
 137
 138######################################################################
 139##
 140## On Mac, bring the current Wish process window to front
 141
 142if {[tk windowingsystem] eq "aqua"} {
 143        catch {
 144                exec osascript -e [format {
 145                        tell application "System Events"
 146                                set frontmost of processes whose unix id is %d to true
 147                        end tell
 148                } [pid]]
 149        }
 150}
 151
 152######################################################################
 153##
 154## read only globals
 155
 156set _appname {Git Gui}
 157set _gitdir {}
 158set _gitworktree {}
 159set _isbare {}
 160set _gitexec {}
 161set _githtmldir {}
 162set _reponame {}
 163set _iscygwin {}
 164set _search_path {}
 165set _shellpath {@@SHELL_PATH@@}
 166
 167set _trace [lsearch -exact $argv --trace]
 168if {$_trace >= 0} {
 169        set argv [lreplace $argv $_trace $_trace]
 170        set _trace 1
 171        if {[tk windowingsystem] eq "win32"} { console show }
 172} else {
 173        set _trace 0
 174}
 175
 176# variable for the last merged branch (useful for a default when deleting
 177# branches).
 178set _last_merged_branch {}
 179
 180proc shellpath {} {
 181        global _shellpath env
 182        if {[string match @@* $_shellpath]} {
 183                if {[info exists env(SHELL)]} {
 184                        return $env(SHELL)
 185                } else {
 186                        return /bin/sh
 187                }
 188        }
 189        return $_shellpath
 190}
 191
 192proc appname {} {
 193        global _appname
 194        return $_appname
 195}
 196
 197proc gitdir {args} {
 198        global _gitdir
 199        if {$args eq {}} {
 200                return $_gitdir
 201        }
 202        return [eval [list file join $_gitdir] $args]
 203}
 204
 205proc gitexec {args} {
 206        global _gitexec
 207        if {$_gitexec eq {}} {
 208                if {[catch {set _gitexec [git --exec-path]} err]} {
 209                        error "Git not installed?\n\n$err"
 210                }
 211                if {[is_Cygwin]} {
 212                        set _gitexec [exec cygpath \
 213                                --windows \
 214                                --absolute \
 215                                $_gitexec]
 216                } else {
 217                        set _gitexec [file normalize $_gitexec]
 218                }
 219        }
 220        if {$args eq {}} {
 221                return $_gitexec
 222        }
 223        return [eval [list file join $_gitexec] $args]
 224}
 225
 226proc githtmldir {args} {
 227        global _githtmldir
 228        if {$_githtmldir eq {}} {
 229                if {[catch {set _githtmldir [git --html-path]}]} {
 230                        # Git not installed or option not yet supported
 231                        return {}
 232                }
 233                if {[is_Cygwin]} {
 234                        set _githtmldir [exec cygpath \
 235                                --windows \
 236                                --absolute \
 237                                $_githtmldir]
 238                } else {
 239                        set _githtmldir [file normalize $_githtmldir]
 240                }
 241        }
 242        if {$args eq {}} {
 243                return $_githtmldir
 244        }
 245        return [eval [list file join $_githtmldir] $args]
 246}
 247
 248proc reponame {} {
 249        return $::_reponame
 250}
 251
 252proc is_MacOSX {} {
 253        if {[tk windowingsystem] eq {aqua}} {
 254                return 1
 255        }
 256        return 0
 257}
 258
 259proc is_Windows {} {
 260        if {$::tcl_platform(platform) eq {windows}} {
 261                return 1
 262        }
 263        return 0
 264}
 265
 266proc is_Cygwin {} {
 267        global _iscygwin
 268        if {$_iscygwin eq {}} {
 269                if {$::tcl_platform(platform) eq {windows}} {
 270                        if {[catch {set p [exec cygpath --windir]} err]} {
 271                                set _iscygwin 0
 272                        } else {
 273                                set _iscygwin 1
 274                        }
 275                } else {
 276                        set _iscygwin 0
 277                }
 278        }
 279        return $_iscygwin
 280}
 281
 282proc is_enabled {option} {
 283        global enabled_options
 284        if {[catch {set on $enabled_options($option)}]} {return 0}
 285        return $on
 286}
 287
 288proc enable_option {option} {
 289        global enabled_options
 290        set enabled_options($option) 1
 291}
 292
 293proc disable_option {option} {
 294        global enabled_options
 295        set enabled_options($option) 0
 296}
 297
 298######################################################################
 299##
 300## config
 301
 302proc is_many_config {name} {
 303        switch -glob -- $name {
 304        gui.recentrepo -
 305        remote.*.fetch -
 306        remote.*.push
 307                {return 1}
 308        *
 309                {return 0}
 310        }
 311}
 312
 313proc is_config_true {name} {
 314        global repo_config
 315        if {[catch {set v $repo_config($name)}]} {
 316                return 0
 317        }
 318        set v [string tolower $v]
 319        if {$v eq {} || $v eq {true} || $v eq {1} || $v eq {yes} || $v eq {on}} {
 320                return 1
 321        } else {
 322                return 0
 323        }
 324}
 325
 326proc is_config_false {name} {
 327        global repo_config
 328        if {[catch {set v $repo_config($name)}]} {
 329                return 0
 330        }
 331        set v [string tolower $v]
 332        if {$v eq {false} || $v eq {0} || $v eq {no} || $v eq {off}} {
 333                return 1
 334        } else {
 335                return 0
 336        }
 337}
 338
 339proc get_config {name} {
 340        global repo_config
 341        if {[catch {set v $repo_config($name)}]} {
 342                return {}
 343        } else {
 344                return $v
 345        }
 346}
 347
 348proc is_bare {} {
 349        global _isbare
 350        global _gitdir
 351        global _gitworktree
 352
 353        if {$_isbare eq {}} {
 354                if {[catch {
 355                        set _bare [git rev-parse --is-bare-repository]
 356                        switch  -- $_bare {
 357                        true { set _isbare 1 }
 358                        false { set _isbare 0}
 359                        default { throw }
 360                        }
 361                }]} {
 362                        if {[is_config_true core.bare]
 363                                || ($_gitworktree eq {}
 364                                        && [lindex [file split $_gitdir] end] ne {.git})} {
 365                                set _isbare 1
 366                        } else {
 367                                set _isbare 0
 368                        }
 369                }
 370        }
 371        return $_isbare
 372}
 373
 374######################################################################
 375##
 376## handy utils
 377
 378proc _trace_exec {cmd} {
 379        if {!$::_trace} return
 380        set d {}
 381        foreach v $cmd {
 382                if {$d ne {}} {
 383                        append d { }
 384                }
 385                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 386                        set v [sq $v]
 387                }
 388                append d $v
 389        }
 390        puts stderr $d
 391}
 392
 393#'"  fix poor old emacs font-lock mode
 394
 395proc _git_cmd {name} {
 396        global _git_cmd_path
 397
 398        if {[catch {set v $_git_cmd_path($name)}]} {
 399                switch -- $name {
 400                  version   -
 401                --version   -
 402                --exec-path { return [list $::_git $name] }
 403                }
 404
 405                set p [gitexec git-$name$::_search_exe]
 406                if {[file exists $p]} {
 407                        set v [list $p]
 408                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 409                        # Try to determine what sort of magic will make
 410                        # git-$name go and do its thing, because native
 411                        # Tcl on Windows doesn't know it.
 412                        #
 413                        set p [gitexec git-$name]
 414                        set f [open $p r]
 415                        set s [gets $f]
 416                        close $f
 417
 418                        switch -glob -- [lindex $s 0] {
 419                        #!*sh     { set i sh     }
 420                        #!*perl   { set i perl   }
 421                        #!*python { set i python }
 422                        default   { error "git-$name is not supported: $s" }
 423                        }
 424
 425                        upvar #0 _$i interp
 426                        if {![info exists interp]} {
 427                                set interp [_which $i]
 428                        }
 429                        if {$interp eq {}} {
 430                                error "git-$name requires $i (not in PATH)"
 431                        }
 432                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 433                } else {
 434                        # Assume it is builtin to git somehow and we
 435                        # aren't actually able to see a file for it.
 436                        #
 437                        set v [list $::_git $name]
 438                }
 439                set _git_cmd_path($name) $v
 440        }
 441        return $v
 442}
 443
 444proc _which {what args} {
 445        global env _search_exe _search_path
 446
 447        if {$_search_path eq {}} {
 448                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 449                        set _search_path [split [exec cygpath \
 450                                --windows \
 451                                --path \
 452                                --absolute \
 453                                $env(PATH)] {;}]
 454                        set _search_exe .exe
 455                } elseif {[is_Windows]} {
 456                        set gitguidir [file dirname [info script]]
 457                        regsub -all ";" $gitguidir "\\;" gitguidir
 458                        set env(PATH) "$gitguidir;$env(PATH)"
 459                        set _search_path [split $env(PATH) {;}]
 460                        set _search_exe .exe
 461                } else {
 462                        set _search_path [split $env(PATH) :]
 463                        set _search_exe {}
 464                }
 465        }
 466
 467        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 468                set suffix {}
 469        } else {
 470                set suffix $_search_exe
 471        }
 472
 473        foreach p $_search_path {
 474                set p [file join $p $what$suffix]
 475                if {[file exists $p]} {
 476                        return [file normalize $p]
 477                }
 478        }
 479        return {}
 480}
 481
 482# Test a file for a hashbang to identify executable scripts on Windows.
 483proc is_shellscript {filename} {
 484        if {![file exists $filename]} {return 0}
 485        set f [open $filename r]
 486        fconfigure $f -encoding binary
 487        set magic [read $f 2]
 488        close $f
 489        return [expr {$magic eq "#!"}]
 490}
 491
 492# Run a command connected via pipes on stdout.
 493# This is for use with textconv filters and uses sh -c "..." to allow it to
 494# contain a command with arguments. On windows we must check for shell
 495# scripts specifically otherwise just call the filter command.
 496proc open_cmd_pipe {cmd path} {
 497        global env
 498        if {![file executable [shellpath]]} {
 499                set exe [auto_execok [lindex $cmd 0]]
 500                if {[is_shellscript [lindex $exe 0]]} {
 501                        set run [linsert [auto_execok sh] end -c "$cmd \"\$0\"" $path]
 502                } else {
 503                        set run [concat $exe [lrange $cmd 1 end] $path]
 504                }
 505        } else {
 506                set run [list [shellpath] -c "$cmd \"\$0\"" $path]
 507        }
 508        return [open |$run r]
 509}
 510
 511proc _lappend_nice {cmd_var} {
 512        global _nice
 513        upvar $cmd_var cmd
 514
 515        if {![info exists _nice]} {
 516                set _nice [_which nice]
 517                if {[catch {exec $_nice git version}]} {
 518                        set _nice {}
 519                } elseif {[is_Windows] && [file dirname $_nice] ne [file dirname $::_git]} {
 520                        set _nice {}
 521                }
 522        }
 523        if {$_nice ne {}} {
 524                lappend cmd $_nice
 525        }
 526}
 527
 528proc git {args} {
 529        set opt [list]
 530
 531        while {1} {
 532                switch -- [lindex $args 0] {
 533                --nice {
 534                        _lappend_nice opt
 535                }
 536
 537                default {
 538                        break
 539                }
 540
 541                }
 542
 543                set args [lrange $args 1 end]
 544        }
 545
 546        set cmdp [_git_cmd [lindex $args 0]]
 547        set args [lrange $args 1 end]
 548
 549        _trace_exec [concat $opt $cmdp $args]
 550        set result [eval exec $opt $cmdp $args]
 551        if {$::_trace} {
 552                puts stderr "< $result"
 553        }
 554        return $result
 555}
 556
 557proc _open_stdout_stderr {cmd} {
 558        _trace_exec $cmd
 559        if {[catch {
 560                        set fd [open [concat [list | ] $cmd] r]
 561                } err]} {
 562                if {   [lindex $cmd end] eq {2>@1}
 563                    && $err eq {can not find channel named "1"}
 564                        } {
 565                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 566                        # redirect operator.  Fallback to |& cat for those.
 567                        # The command was not actually started, so its safe
 568                        # to try to start it a second time.
 569                        #
 570                        set fd [open [concat \
 571                                [list | ] \
 572                                [lrange $cmd 0 end-1] \
 573                                [list |& cat] \
 574                                ] r]
 575                } else {
 576                        error $err
 577                }
 578        }
 579        fconfigure $fd -eofchar {}
 580        return $fd
 581}
 582
 583proc git_read {args} {
 584        set opt [list]
 585
 586        while {1} {
 587                switch -- [lindex $args 0] {
 588                --nice {
 589                        _lappend_nice opt
 590                }
 591
 592                --stderr {
 593                        lappend args 2>@1
 594                }
 595
 596                default {
 597                        break
 598                }
 599
 600                }
 601
 602                set args [lrange $args 1 end]
 603        }
 604
 605        set cmdp [_git_cmd [lindex $args 0]]
 606        set args [lrange $args 1 end]
 607
 608        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 609}
 610
 611proc git_write {args} {
 612        set opt [list]
 613
 614        while {1} {
 615                switch -- [lindex $args 0] {
 616                --nice {
 617                        _lappend_nice opt
 618                }
 619
 620                default {
 621                        break
 622                }
 623
 624                }
 625
 626                set args [lrange $args 1 end]
 627        }
 628
 629        set cmdp [_git_cmd [lindex $args 0]]
 630        set args [lrange $args 1 end]
 631
 632        _trace_exec [concat $opt $cmdp $args]
 633        return [open [concat [list | ] $opt $cmdp $args] w]
 634}
 635
 636proc githook_read {hook_name args} {
 637        set pchook [gitdir hooks $hook_name]
 638        lappend args 2>@1
 639
 640        # On Windows [file executable] might lie so we need to ask
 641        # the shell if the hook is executable.  Yes that's annoying.
 642        #
 643        if {[is_Windows]} {
 644                upvar #0 _sh interp
 645                if {![info exists interp]} {
 646                        set interp [_which sh]
 647                }
 648                if {$interp eq {}} {
 649                        error "hook execution requires sh (not in PATH)"
 650                }
 651
 652                set scr {if test -x "$1";then exec "$@";fi}
 653                set sh_c [list $interp -c $scr $interp $pchook]
 654                return [_open_stdout_stderr [concat $sh_c $args]]
 655        }
 656
 657        if {[file executable $pchook]} {
 658                return [_open_stdout_stderr [concat [list $pchook] $args]]
 659        }
 660
 661        return {}
 662}
 663
 664proc kill_file_process {fd} {
 665        set process [pid $fd]
 666
 667        catch {
 668                if {[is_Windows]} {
 669                        # Use a Cygwin-specific flag to allow killing
 670                        # native Windows processes
 671                        exec kill -f $process
 672                } else {
 673                        exec kill $process
 674                }
 675        }
 676}
 677
 678proc gitattr {path attr default} {
 679        if {[catch {set r [git check-attr $attr -- $path]}]} {
 680                set r unspecified
 681        } else {
 682                set r [join [lrange [split $r :] 2 end] :]
 683                regsub {^ } $r {} r
 684        }
 685        if {$r eq {unspecified}} {
 686                return $default
 687        }
 688        return $r
 689}
 690
 691proc sq {value} {
 692        regsub -all ' $value "'\\''" value
 693        return "'$value'"
 694}
 695
 696proc load_current_branch {} {
 697        global current_branch is_detached
 698
 699        set fd [open [gitdir HEAD] r]
 700        if {[gets $fd ref] < 1} {
 701                set ref {}
 702        }
 703        close $fd
 704
 705        set pfx {ref: refs/heads/}
 706        set len [string length $pfx]
 707        if {[string equal -length $len $pfx $ref]} {
 708                # We're on a branch.  It might not exist.  But
 709                # HEAD looks good enough to be a branch.
 710                #
 711                set current_branch [string range $ref $len end]
 712                set is_detached 0
 713        } else {
 714                # Assume this is a detached head.
 715                #
 716                set current_branch HEAD
 717                set is_detached 1
 718        }
 719}
 720
 721auto_load tk_optionMenu
 722rename tk_optionMenu real__tkOptionMenu
 723proc tk_optionMenu {w varName args} {
 724        set m [eval real__tkOptionMenu $w $varName $args]
 725        $m configure -font font_ui
 726        $w configure -font font_ui
 727        return $m
 728}
 729
 730proc rmsel_tag {text} {
 731        $text tag conf sel \
 732                -background [$text cget -background] \
 733                -foreground [$text cget -foreground] \
 734                -borderwidth 0
 735        $text tag conf in_sel -background lightgray
 736        bind $text <Motion> break
 737        return $text
 738}
 739
 740wm withdraw .
 741set root_exists 0
 742bind . <Visibility> {
 743        bind . <Visibility> {}
 744        set root_exists 1
 745}
 746
 747if {[is_Windows]} {
 748        wm iconbitmap . -default $oguilib/git-gui.ico
 749        set ::tk::AlwaysShowSelection 1
 750        bind . <Control-F2> {console show}
 751
 752        # Spoof an X11 display for SSH
 753        if {![info exists env(DISPLAY)]} {
 754                set env(DISPLAY) :9999
 755        }
 756} else {
 757        catch {
 758                image create photo gitlogo -width 16 -height 16
 759
 760                gitlogo put #33CC33 -to  7  0  9  2
 761                gitlogo put #33CC33 -to  4  2 12  4
 762                gitlogo put #33CC33 -to  7  4  9  6
 763                gitlogo put #CC3333 -to  4  6 12  8
 764                gitlogo put gray26  -to  4  9  6 10
 765                gitlogo put gray26  -to  3 10  6 12
 766                gitlogo put gray26  -to  8  9 13 11
 767                gitlogo put gray26  -to  8 11 10 12
 768                gitlogo put gray26  -to 11 11 13 14
 769                gitlogo put gray26  -to  3 12  5 14
 770                gitlogo put gray26  -to  5 13
 771                gitlogo put gray26  -to 10 13
 772                gitlogo put gray26  -to  4 14 12 15
 773                gitlogo put gray26  -to  5 15 11 16
 774                gitlogo redither
 775
 776                image create photo gitlogo32 -width 32 -height 32
 777                gitlogo32 copy gitlogo -zoom 2 2
 778
 779                wm iconphoto . -default gitlogo gitlogo32
 780        }
 781}
 782
 783######################################################################
 784##
 785## config defaults
 786
 787set cursor_ptr arrow
 788font create font_ui
 789if {[lsearch -exact [font names] TkDefaultFont] != -1} {
 790        eval [linsert [font actual TkDefaultFont] 0 font configure font_ui]
 791        eval [linsert [font actual TkFixedFont] 0 font create font_diff]
 792} else {
 793        font create font_diff -family Courier -size 10
 794        catch {
 795                label .dummy
 796                eval font configure font_ui [font actual [.dummy cget -font]]
 797                destroy .dummy
 798        }
 799}
 800
 801font create font_uiitalic
 802font create font_uibold
 803font create font_diffbold
 804font create font_diffitalic
 805
 806foreach class {Button Checkbutton Entry Label
 807                Labelframe Listbox Message
 808                Radiobutton Spinbox Text} {
 809        option add *$class.font font_ui
 810}
 811if {![is_MacOSX]} {
 812        option add *Menu.font font_ui
 813        option add *Entry.borderWidth 1 startupFile
 814        option add *Entry.relief sunken startupFile
 815        option add *RadioButton.anchor w startupFile
 816}
 817unset class
 818
 819if {[is_Windows] || [is_MacOSX]} {
 820        option add *Menu.tearOff 0
 821}
 822
 823if {[is_MacOSX]} {
 824        set M1B M1
 825        set M1T Cmd
 826} else {
 827        set M1B Control
 828        set M1T Ctrl
 829}
 830
 831proc bind_button3 {w cmd} {
 832        bind $w <Any-Button-3> $cmd
 833        if {[is_MacOSX]} {
 834                # Mac OS X sends Button-2 on right click through three-button mouse,
 835                # or through trackpad right-clicking (two-finger touch + click).
 836                bind $w <Any-Button-2> $cmd
 837                bind $w <Control-Button-1> $cmd
 838        }
 839}
 840
 841proc apply_config {} {
 842        global repo_config font_descs
 843
 844        foreach option $font_descs {
 845                set name [lindex $option 0]
 846                set font [lindex $option 1]
 847                if {[catch {
 848                        set need_weight 1
 849                        foreach {cn cv} $repo_config(gui.$name) {
 850                                if {$cn eq {-weight}} {
 851                                        set need_weight 0
 852                                }
 853                                font configure $font $cn $cv
 854                        }
 855                        if {$need_weight} {
 856                                font configure $font -weight normal
 857                        }
 858                        } err]} {
 859                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 860                }
 861                foreach {cn cv} [font configure $font] {
 862                        font configure ${font}bold $cn $cv
 863                        font configure ${font}italic $cn $cv
 864                }
 865                font configure ${font}bold -weight bold
 866                font configure ${font}italic -slant italic
 867        }
 868
 869        global use_ttk NS
 870        set use_ttk 0
 871        set NS {}
 872        if {$repo_config(gui.usettk)} {
 873                set use_ttk [package vsatisfies [package provide Tk] 8.5]
 874                if {$use_ttk} {
 875                        set NS ttk
 876                        bind [winfo class .] <<ThemeChanged>> [list InitTheme]
 877                        pave_toplevel .
 878                }
 879        }
 880}
 881
 882set default_config(branch.autosetupmerge) true
 883set default_config(merge.tool) {}
 884set default_config(mergetool.keepbackup) true
 885set default_config(merge.diffstat) true
 886set default_config(merge.summary) false
 887set default_config(merge.verbosity) 2
 888set default_config(user.name) {}
 889set default_config(user.email) {}
 890
 891set default_config(gui.encoding) [encoding system]
 892set default_config(gui.matchtrackingbranch) false
 893set default_config(gui.textconv) true
 894set default_config(gui.pruneduringfetch) false
 895set default_config(gui.trustmtime) false
 896set default_config(gui.fastcopyblame) false
 897set default_config(gui.maxrecentrepo) 10
 898set default_config(gui.copyblamethreshold) 40
 899set default_config(gui.blamehistoryctx) 7
 900set default_config(gui.diffcontext) 5
 901set default_config(gui.diffopts) {}
 902set default_config(gui.commitmsgwidth) 75
 903set default_config(gui.newbranchtemplate) {}
 904set default_config(gui.spellingdictionary) {}
 905set default_config(gui.fontui) [font configure font_ui]
 906set default_config(gui.fontdiff) [font configure font_diff]
 907# TODO: this option should be added to the git-config documentation
 908set default_config(gui.maxfilesdisplayed) 5000
 909set default_config(gui.usettk) 1
 910set default_config(gui.warndetachedcommit) 1
 911set font_descs {
 912        {fontui   font_ui   {mc "Main Font"}}
 913        {fontdiff font_diff {mc "Diff/Console Font"}}
 914}
 915set default_config(gui.stageuntracked) ask
 916set default_config(gui.displayuntracked) true
 917
 918######################################################################
 919##
 920## find git
 921
 922set _git  [_which git]
 923if {$_git eq {}} {
 924        catch {wm withdraw .}
 925        tk_messageBox \
 926                -icon error \
 927                -type ok \
 928                -title [mc "git-gui: fatal error"] \
 929                -message [mc "Cannot find git in PATH."]
 930        exit 1
 931}
 932
 933######################################################################
 934##
 935## version check
 936
 937if {[catch {set _git_version [git --version]} err]} {
 938        catch {wm withdraw .}
 939        tk_messageBox \
 940                -icon error \
 941                -type ok \
 942                -title [mc "git-gui: fatal error"] \
 943                -message "Cannot determine Git version:
 944
 945$err
 946
 947[appname] requires Git 1.5.0 or later."
 948        exit 1
 949}
 950if {![regsub {^git version } $_git_version {} _git_version]} {
 951        catch {wm withdraw .}
 952        tk_messageBox \
 953                -icon error \
 954                -type ok \
 955                -title [mc "git-gui: fatal error"] \
 956                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 957        exit 1
 958}
 959
 960proc get_trimmed_version {s} {
 961    set r {}
 962    foreach x [split $s -._] {
 963        if {[string is integer -strict $x]} {
 964            lappend r $x
 965        } else {
 966            break
 967        }
 968    }
 969    return [join $r .]
 970}
 971set _real_git_version $_git_version
 972set _git_version [get_trimmed_version $_git_version]
 973
 974if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 975        catch {wm withdraw .}
 976        if {[tk_messageBox \
 977                -icon warning \
 978                -type yesno \
 979                -default no \
 980                -title "[appname]: warning" \
 981                 -message [mc "Git version cannot be determined.
 982
 983%s claims it is version '%s'.
 984
 985%s requires at least Git 1.5.0 or later.
 986
 987Assume '%s' is version 1.5.0?
 988" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 989                set _git_version 1.5.0
 990        } else {
 991                exit 1
 992        }
 993}
 994unset _real_git_version
 995
 996proc git-version {args} {
 997        global _git_version
 998
 999        switch [llength $args] {
1000        0 {
1001                return $_git_version
1002        }
1003
1004        2 {
1005                set op [lindex $args 0]
1006                set vr [lindex $args 1]
1007                set cm [package vcompare $_git_version $vr]
1008                return [expr $cm $op 0]
1009        }
1010
1011        4 {
1012                set type [lindex $args 0]
1013                set name [lindex $args 1]
1014                set parm [lindex $args 2]
1015                set body [lindex $args 3]
1016
1017                if {($type ne {proc} && $type ne {method})} {
1018                        error "Invalid arguments to git-version"
1019                }
1020                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
1021                        error "Last arm of $type $name must be default"
1022                }
1023
1024                foreach {op vr cb} [lrange $body 0 end-2] {
1025                        if {[git-version $op $vr]} {
1026                                return [uplevel [list $type $name $parm $cb]]
1027                        }
1028                }
1029
1030                return [uplevel [list $type $name $parm [lindex $body end]]]
1031        }
1032
1033        default {
1034                error "git-version >= x"
1035        }
1036
1037        }
1038}
1039
1040if {[git-version < 1.5]} {
1041        catch {wm withdraw .}
1042        tk_messageBox \
1043                -icon error \
1044                -type ok \
1045                -title [mc "git-gui: fatal error"] \
1046                -message "[appname] requires Git 1.5.0 or later.
1047
1048You are using [git-version]:
1049
1050[git --version]"
1051        exit 1
1052}
1053
1054######################################################################
1055##
1056## configure our library
1057
1058set idx [file join $oguilib tclIndex]
1059if {[catch {set fd [open $idx r]} err]} {
1060        catch {wm withdraw .}
1061        tk_messageBox \
1062                -icon error \
1063                -type ok \
1064                -title [mc "git-gui: fatal error"] \
1065                -message $err
1066        exit 1
1067}
1068if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
1069        set idx [list]
1070        while {[gets $fd n] >= 0} {
1071                if {$n ne {} && ![string match #* $n]} {
1072                        lappend idx $n
1073                }
1074        }
1075} else {
1076        set idx {}
1077}
1078close $fd
1079
1080if {$idx ne {}} {
1081        set loaded [list]
1082        foreach p $idx {
1083                if {[lsearch -exact $loaded $p] >= 0} continue
1084                source [file join $oguilib $p]
1085                lappend loaded $p
1086        }
1087        unset loaded p
1088} else {
1089        set auto_path [concat [list $oguilib] $auto_path]
1090}
1091unset -nocomplain idx fd
1092
1093######################################################################
1094##
1095## config file parsing
1096
1097git-version proc _parse_config {arr_name args} {
1098        >= 1.5.3 {
1099                upvar $arr_name arr
1100                array unset arr
1101                set buf {}
1102                catch {
1103                        set fd_rc [eval \
1104                                [list git_read config] \
1105                                $args \
1106                                [list --null --list]]
1107                        fconfigure $fd_rc -translation binary
1108                        set buf [read $fd_rc]
1109                        close $fd_rc
1110                }
1111                foreach line [split $buf "\0"] {
1112                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
1113                                if {[is_many_config $name]} {
1114                                        lappend arr($name) $value
1115                                } else {
1116                                        set arr($name) $value
1117                                }
1118                        } elseif {[regexp {^([^\n]+)$} $line line name]} {
1119                                # no value given, but interpreting them as
1120                                # boolean will be handled as true
1121                                set arr($name) {}
1122                        }
1123                }
1124        }
1125        default {
1126                upvar $arr_name arr
1127                array unset arr
1128                catch {
1129                        set fd_rc [eval [list git_read config --list] $args]
1130                        while {[gets $fd_rc line] >= 0} {
1131                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
1132                                        if {[is_many_config $name]} {
1133                                                lappend arr($name) $value
1134                                        } else {
1135                                                set arr($name) $value
1136                                        }
1137                                } elseif {[regexp {^([^=]+)$} $line line name]} {
1138                                        # no value given, but interpreting them as
1139                                        # boolean will be handled as true
1140                                        set arr($name) {}
1141                                }
1142                        }
1143                        close $fd_rc
1144                }
1145        }
1146}
1147
1148proc load_config {include_global} {
1149        global repo_config global_config system_config default_config
1150
1151        if {$include_global} {
1152                _parse_config system_config --system
1153                _parse_config global_config --global
1154        }
1155        _parse_config repo_config
1156
1157        foreach name [array names default_config] {
1158                if {[catch {set v $system_config($name)}]} {
1159                        set system_config($name) $default_config($name)
1160                }
1161        }
1162        foreach name [array names system_config] {
1163                if {[catch {set v $global_config($name)}]} {
1164                        set global_config($name) $system_config($name)
1165                }
1166                if {[catch {set v $repo_config($name)}]} {
1167                        set repo_config($name) $system_config($name)
1168                }
1169        }
1170}
1171
1172######################################################################
1173##
1174## feature option selection
1175
1176if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
1177        unset _junk
1178} else {
1179        set subcommand gui
1180}
1181if {$subcommand eq {gui.sh}} {
1182        set subcommand gui
1183}
1184if {$subcommand eq {gui} && [llength $argv] > 0} {
1185        set subcommand [lindex $argv 0]
1186        set argv [lrange $argv 1 end]
1187}
1188
1189enable_option multicommit
1190enable_option branch
1191enable_option transport
1192disable_option bare
1193
1194switch -- $subcommand {
1195browser -
1196blame {
1197        enable_option bare
1198
1199        disable_option multicommit
1200        disable_option branch
1201        disable_option transport
1202}
1203citool {
1204        enable_option singlecommit
1205        enable_option retcode
1206
1207        disable_option multicommit
1208        disable_option branch
1209        disable_option transport
1210
1211        while {[llength $argv] > 0} {
1212                set a [lindex $argv 0]
1213                switch -- $a {
1214                --amend {
1215                        enable_option initialamend
1216                }
1217                --nocommit {
1218                        enable_option nocommit
1219                        enable_option nocommitmsg
1220                }
1221                --commitmsg {
1222                        disable_option nocommitmsg
1223                }
1224                default {
1225                        break
1226                }
1227                }
1228
1229                set argv [lrange $argv 1 end]
1230        }
1231}
1232}
1233
1234######################################################################
1235##
1236## execution environment
1237
1238set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1239
1240# Suggest our implementation of askpass, if none is set
1241if {![info exists env(SSH_ASKPASS)]} {
1242        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1243}
1244
1245######################################################################
1246##
1247## repository setup
1248
1249set picked 0
1250if {[catch {
1251                set _gitdir $env(GIT_DIR)
1252                set _prefix {}
1253                }]
1254        && [catch {
1255                # beware that from the .git dir this sets _gitdir to .
1256                # and _prefix to the empty string
1257                set _gitdir [git rev-parse --git-dir]
1258                set _prefix [git rev-parse --show-prefix]
1259        } err]} {
1260        load_config 1
1261        apply_config
1262        choose_repository::pick
1263        set picked 1
1264}
1265
1266# we expand the _gitdir when it's just a single dot (i.e. when we're being
1267# run from the .git dir itself) lest the routines to find the worktree
1268# get confused
1269if {$_gitdir eq "."} {
1270        set _gitdir [pwd]
1271}
1272
1273if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1274        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1275}
1276if {![file isdirectory $_gitdir]} {
1277        catch {wm withdraw .}
1278        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1279        exit 1
1280}
1281# _gitdir exists, so try loading the config
1282load_config 0
1283apply_config
1284
1285# v1.7.0 introduced --show-toplevel to return the canonical work-tree
1286if {[package vsatisfies $_git_version 1.7.0-]} {
1287        if { [is_Cygwin] } {
1288                catch {set _gitworktree [exec cygpath --windows [git rev-parse --show-toplevel]]}
1289        } else {
1290                set _gitworktree [git rev-parse --show-toplevel]
1291        }
1292} else {
1293        # try to set work tree from environment, core.worktree or use
1294        # cdup to obtain a relative path to the top of the worktree. If
1295        # run from the top, the ./ prefix ensures normalize expands pwd.
1296        if {[catch { set _gitworktree $env(GIT_WORK_TREE) }]} {
1297                set _gitworktree [get_config core.worktree]
1298                if {$_gitworktree eq ""} {
1299                        set _gitworktree [file normalize ./[git rev-parse --show-cdup]]
1300                }
1301        }
1302}
1303
1304if {$_prefix ne {}} {
1305        if {$_gitworktree eq {}} {
1306                regsub -all {[^/]+/} $_prefix ../ cdup
1307        } else {
1308                set cdup $_gitworktree
1309        }
1310        if {[catch {cd $cdup} err]} {
1311                catch {wm withdraw .}
1312                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1313                exit 1
1314        }
1315        set _gitworktree [pwd]
1316        unset cdup
1317} elseif {![is_enabled bare]} {
1318        if {[is_bare]} {
1319                catch {wm withdraw .}
1320                error_popup [strcat [mc "Cannot use bare repository:"] "\n\n$_gitdir"]
1321                exit 1
1322        }
1323        if {$_gitworktree eq {}} {
1324                set _gitworktree [file dirname $_gitdir]
1325        }
1326        if {[catch {cd $_gitworktree} err]} {
1327                catch {wm withdraw .}
1328                error_popup [strcat [mc "No working directory"] " $_gitworktree:\n\n$err"]
1329                exit 1
1330        }
1331        set _gitworktree [pwd]
1332}
1333set _reponame [file split [file normalize $_gitdir]]
1334if {[lindex $_reponame end] eq {.git}} {
1335        set _reponame [lindex $_reponame end-1]
1336} else {
1337        set _reponame [lindex $_reponame end]
1338}
1339
1340set env(GIT_DIR) $_gitdir
1341set env(GIT_WORK_TREE) $_gitworktree
1342
1343######################################################################
1344##
1345## global init
1346
1347set current_diff_path {}
1348set current_diff_side {}
1349set diff_actions [list]
1350
1351set HEAD {}
1352set PARENT {}
1353set MERGE_HEAD [list]
1354set commit_type {}
1355set empty_tree {}
1356set current_branch {}
1357set is_detached 0
1358set current_diff_path {}
1359set is_3way_diff 0
1360set is_submodule_diff 0
1361set is_conflict_diff 0
1362set selected_commit_type new
1363set diff_empty_count 0
1364
1365set nullid "0000000000000000000000000000000000000000"
1366set nullid2 "0000000000000000000000000000000000000001"
1367
1368######################################################################
1369##
1370## task management
1371
1372set rescan_active 0
1373set diff_active 0
1374set last_clicked {}
1375
1376set disable_on_lock [list]
1377set index_lock_type none
1378
1379proc lock_index {type} {
1380        global index_lock_type disable_on_lock
1381
1382        if {$index_lock_type eq {none}} {
1383                set index_lock_type $type
1384                foreach w $disable_on_lock {
1385                        uplevel #0 $w disabled
1386                }
1387                return 1
1388        } elseif {$index_lock_type eq "begin-$type"} {
1389                set index_lock_type $type
1390                return 1
1391        }
1392        return 0
1393}
1394
1395proc unlock_index {} {
1396        global index_lock_type disable_on_lock
1397
1398        set index_lock_type none
1399        foreach w $disable_on_lock {
1400                uplevel #0 $w normal
1401        }
1402}
1403
1404######################################################################
1405##
1406## status
1407
1408proc repository_state {ctvar hdvar mhvar} {
1409        global current_branch
1410        upvar $ctvar ct $hdvar hd $mhvar mh
1411
1412        set mh [list]
1413
1414        load_current_branch
1415        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1416                set hd {}
1417                set ct initial
1418                return
1419        }
1420
1421        set merge_head [gitdir MERGE_HEAD]
1422        if {[file exists $merge_head]} {
1423                set ct merge
1424                set fd_mh [open $merge_head r]
1425                while {[gets $fd_mh line] >= 0} {
1426                        lappend mh $line
1427                }
1428                close $fd_mh
1429                return
1430        }
1431
1432        set ct normal
1433}
1434
1435proc PARENT {} {
1436        global PARENT empty_tree
1437
1438        set p [lindex $PARENT 0]
1439        if {$p ne {}} {
1440                return $p
1441        }
1442        if {$empty_tree eq {}} {
1443                set empty_tree [git mktree << {}]
1444        }
1445        return $empty_tree
1446}
1447
1448proc force_amend {} {
1449        global selected_commit_type
1450        global HEAD PARENT MERGE_HEAD commit_type
1451
1452        repository_state newType newHEAD newMERGE_HEAD
1453        set HEAD $newHEAD
1454        set PARENT $newHEAD
1455        set MERGE_HEAD $newMERGE_HEAD
1456        set commit_type $newType
1457
1458        set selected_commit_type amend
1459        do_select_commit_type
1460}
1461
1462proc rescan {after {honor_trustmtime 1}} {
1463        global HEAD PARENT MERGE_HEAD commit_type
1464        global ui_index ui_workdir ui_comm
1465        global rescan_active file_states
1466        global repo_config
1467
1468        if {$rescan_active > 0 || ![lock_index read]} return
1469
1470        repository_state newType newHEAD newMERGE_HEAD
1471        if {[string match amend* $commit_type]
1472                && $newType eq {normal}
1473                && $newHEAD eq $HEAD} {
1474        } else {
1475                set HEAD $newHEAD
1476                set PARENT $newHEAD
1477                set MERGE_HEAD $newMERGE_HEAD
1478                set commit_type $newType
1479        }
1480
1481        array unset file_states
1482
1483        if {!$::GITGUI_BCK_exists &&
1484                (![$ui_comm edit modified]
1485                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1486                if {[string match amend* $commit_type]} {
1487                } elseif {[load_message GITGUI_MSG utf-8]} {
1488                } elseif {[run_prepare_commit_msg_hook]} {
1489                } elseif {[load_message MERGE_MSG]} {
1490                } elseif {[load_message SQUASH_MSG]} {
1491                }
1492                $ui_comm edit reset
1493                $ui_comm edit modified false
1494        }
1495
1496        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1497                rescan_stage2 {} $after
1498        } else {
1499                set rescan_active 1
1500                ui_status [mc "Refreshing file status..."]
1501                set fd_rf [git_read update-index \
1502                        -q \
1503                        --unmerged \
1504                        --ignore-missing \
1505                        --refresh \
1506                        ]
1507                fconfigure $fd_rf -blocking 0 -translation binary
1508                fileevent $fd_rf readable \
1509                        [list rescan_stage2 $fd_rf $after]
1510        }
1511}
1512
1513if {[is_Cygwin]} {
1514        set is_git_info_exclude {}
1515        proc have_info_exclude {} {
1516                global is_git_info_exclude
1517
1518                if {$is_git_info_exclude eq {}} {
1519                        if {[catch {exec test -f [gitdir info exclude]}]} {
1520                                set is_git_info_exclude 0
1521                        } else {
1522                                set is_git_info_exclude 1
1523                        }
1524                }
1525                return $is_git_info_exclude
1526        }
1527} else {
1528        proc have_info_exclude {} {
1529                return [file readable [gitdir info exclude]]
1530        }
1531}
1532
1533proc rescan_stage2 {fd after} {
1534        global rescan_active buf_rdi buf_rdf buf_rlo
1535
1536        if {$fd ne {}} {
1537                read $fd
1538                if {![eof $fd]} return
1539                close $fd
1540        }
1541
1542        if {[package vsatisfies $::_git_version 1.6.3-]} {
1543                set ls_others [list --exclude-standard]
1544        } else {
1545                set ls_others [list --exclude-per-directory=.gitignore]
1546                if {[have_info_exclude]} {
1547                        lappend ls_others "--exclude-from=[gitdir info exclude]"
1548                }
1549                set user_exclude [get_config core.excludesfile]
1550                if {$user_exclude ne {} && [file readable $user_exclude]} {
1551                        lappend ls_others "--exclude-from=[file normalize $user_exclude]"
1552                }
1553        }
1554
1555        set buf_rdi {}
1556        set buf_rdf {}
1557        set buf_rlo {}
1558
1559        set rescan_active 2
1560        ui_status [mc "Scanning for modified files ..."]
1561        set fd_di [git_read diff-index --cached -z [PARENT]]
1562        set fd_df [git_read diff-files -z]
1563
1564        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1565        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1566
1567        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1568        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1569
1570        if {[is_config_true gui.displayuntracked]} {
1571                set fd_lo [eval git_read ls-files --others -z $ls_others]
1572                fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1573                fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1574                incr rescan_active
1575        }
1576}
1577
1578proc load_message {file {encoding {}}} {
1579        global ui_comm
1580
1581        set f [gitdir $file]
1582        if {[file isfile $f]} {
1583                if {[catch {set fd [open $f r]}]} {
1584                        return 0
1585                }
1586                fconfigure $fd -eofchar {}
1587                if {$encoding ne {}} {
1588                        fconfigure $fd -encoding $encoding
1589                }
1590                set content [string trim [read $fd]]
1591                close $fd
1592                regsub -all -line {[ \r\t]+$} $content {} content
1593                $ui_comm delete 0.0 end
1594                $ui_comm insert end $content
1595                return 1
1596        }
1597        return 0
1598}
1599
1600proc run_prepare_commit_msg_hook {} {
1601        global pch_error
1602
1603        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1604        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1605        # empty file but existent file.
1606
1607        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1608
1609        if {[file isfile [gitdir MERGE_MSG]]} {
1610                set pcm_source "merge"
1611                set fd_mm [open [gitdir MERGE_MSG] r]
1612                puts -nonewline $fd_pcm [read $fd_mm]
1613                close $fd_mm
1614        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1615                set pcm_source "squash"
1616                set fd_sm [open [gitdir SQUASH_MSG] r]
1617                puts -nonewline $fd_pcm [read $fd_sm]
1618                close $fd_sm
1619        } else {
1620                set pcm_source ""
1621        }
1622
1623        close $fd_pcm
1624
1625        set fd_ph [githook_read prepare-commit-msg \
1626                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1627        if {$fd_ph eq {}} {
1628                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1629                return 0;
1630        }
1631
1632        ui_status [mc "Calling prepare-commit-msg hook..."]
1633        set pch_error {}
1634
1635        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1636        fileevent $fd_ph readable \
1637                [list prepare_commit_msg_hook_wait $fd_ph]
1638
1639        return 1;
1640}
1641
1642proc prepare_commit_msg_hook_wait {fd_ph} {
1643        global pch_error
1644
1645        append pch_error [read $fd_ph]
1646        fconfigure $fd_ph -blocking 1
1647        if {[eof $fd_ph]} {
1648                if {[catch {close $fd_ph}]} {
1649                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1650                        hook_failed_popup prepare-commit-msg $pch_error
1651                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1652                        exit 1
1653                } else {
1654                        load_message PREPARE_COMMIT_MSG
1655                }
1656                set pch_error {}
1657                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1658                return
1659        }
1660        fconfigure $fd_ph -blocking 0
1661        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1662}
1663
1664proc read_diff_index {fd after} {
1665        global buf_rdi
1666
1667        append buf_rdi [read $fd]
1668        set c 0
1669        set n [string length $buf_rdi]
1670        while {$c < $n} {
1671                set z1 [string first "\0" $buf_rdi $c]
1672                if {$z1 == -1} break
1673                incr z1
1674                set z2 [string first "\0" $buf_rdi $z1]
1675                if {$z2 == -1} break
1676
1677                incr c
1678                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1679                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1680                merge_state \
1681                        [encoding convertfrom $p] \
1682                        [lindex $i 4]? \
1683                        [list [lindex $i 0] [lindex $i 2]] \
1684                        [list]
1685                set c $z2
1686                incr c
1687        }
1688        if {$c < $n} {
1689                set buf_rdi [string range $buf_rdi $c end]
1690        } else {
1691                set buf_rdi {}
1692        }
1693
1694        rescan_done $fd buf_rdi $after
1695}
1696
1697proc read_diff_files {fd after} {
1698        global buf_rdf
1699
1700        append buf_rdf [read $fd]
1701        set c 0
1702        set n [string length $buf_rdf]
1703        while {$c < $n} {
1704                set z1 [string first "\0" $buf_rdf $c]
1705                if {$z1 == -1} break
1706                incr z1
1707                set z2 [string first "\0" $buf_rdf $z1]
1708                if {$z2 == -1} break
1709
1710                incr c
1711                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1712                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1713                merge_state \
1714                        [encoding convertfrom $p] \
1715                        ?[lindex $i 4] \
1716                        [list] \
1717                        [list [lindex $i 0] [lindex $i 2]]
1718                set c $z2
1719                incr c
1720        }
1721        if {$c < $n} {
1722                set buf_rdf [string range $buf_rdf $c end]
1723        } else {
1724                set buf_rdf {}
1725        }
1726
1727        rescan_done $fd buf_rdf $after
1728}
1729
1730proc read_ls_others {fd after} {
1731        global buf_rlo
1732
1733        append buf_rlo [read $fd]
1734        set pck [split $buf_rlo "\0"]
1735        set buf_rlo [lindex $pck end]
1736        foreach p [lrange $pck 0 end-1] {
1737                set p [encoding convertfrom $p]
1738                if {[string index $p end] eq {/}} {
1739                        set p [string range $p 0 end-1]
1740                }
1741                merge_state $p ?O
1742        }
1743        rescan_done $fd buf_rlo $after
1744}
1745
1746proc rescan_done {fd buf after} {
1747        global rescan_active current_diff_path
1748        global file_states repo_config
1749        upvar $buf to_clear
1750
1751        if {![eof $fd]} return
1752        set to_clear {}
1753        close $fd
1754        if {[incr rescan_active -1] > 0} return
1755
1756        prune_selection
1757        unlock_index
1758        display_all_files
1759        if {$current_diff_path ne {}} { reshow_diff $after }
1760        if {$current_diff_path eq {}} { select_first_diff $after }
1761}
1762
1763proc prune_selection {} {
1764        global file_states selected_paths
1765
1766        foreach path [array names selected_paths] {
1767                if {[catch {set still_here $file_states($path)}]} {
1768                        unset selected_paths($path)
1769                }
1770        }
1771}
1772
1773######################################################################
1774##
1775## ui helpers
1776
1777proc mapicon {w state path} {
1778        global all_icons
1779
1780        if {[catch {set r $all_icons($state$w)}]} {
1781                puts "error: no icon for $w state={$state} $path"
1782                return file_plain
1783        }
1784        return $r
1785}
1786
1787proc mapdesc {state path} {
1788        global all_descs
1789
1790        if {[catch {set r $all_descs($state)}]} {
1791                puts "error: no desc for state={$state} $path"
1792                return $state
1793        }
1794        return $r
1795}
1796
1797proc ui_status {msg} {
1798        global main_status
1799        if {[info exists main_status]} {
1800                $main_status show $msg
1801        }
1802}
1803
1804proc ui_ready {{test {}}} {
1805        global main_status
1806        if {[info exists main_status]} {
1807                $main_status show [mc "Ready."] $test
1808        }
1809}
1810
1811proc escape_path {path} {
1812        regsub -all {\\} $path "\\\\" path
1813        regsub -all "\n" $path "\\n" path
1814        return $path
1815}
1816
1817proc short_path {path} {
1818        return [escape_path [lindex [file split $path] end]]
1819}
1820
1821set next_icon_id 0
1822set null_sha1 [string repeat 0 40]
1823
1824proc merge_state {path new_state {head_info {}} {index_info {}}} {
1825        global file_states next_icon_id null_sha1
1826
1827        set s0 [string index $new_state 0]
1828        set s1 [string index $new_state 1]
1829
1830        if {[catch {set info $file_states($path)}]} {
1831                set state __
1832                set icon n[incr next_icon_id]
1833        } else {
1834                set state [lindex $info 0]
1835                set icon [lindex $info 1]
1836                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1837                if {$index_info eq {}} {set index_info [lindex $info 3]}
1838        }
1839
1840        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1841        elseif {$s0 eq {_}} {set s0 _}
1842
1843        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1844        elseif {$s1 eq {_}} {set s1 _}
1845
1846        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1847                set head_info [list 0 $null_sha1]
1848        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1849                && $head_info eq {}} {
1850                set head_info $index_info
1851        } elseif {$s0 eq {_} && [string index $state 0] ne {_}} {
1852                set index_info $head_info
1853                set head_info {}
1854        }
1855
1856        set file_states($path) [list $s0$s1 $icon \
1857                $head_info $index_info \
1858                ]
1859        return $state
1860}
1861
1862proc display_file_helper {w path icon_name old_m new_m} {
1863        global file_lists
1864
1865        if {$new_m eq {_}} {
1866                set lno [lsearch -sorted -exact $file_lists($w) $path]
1867                if {$lno >= 0} {
1868                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1869                        incr lno
1870                        $w conf -state normal
1871                        $w delete $lno.0 [expr {$lno + 1}].0
1872                        $w conf -state disabled
1873                }
1874        } elseif {$old_m eq {_} && $new_m ne {_}} {
1875                lappend file_lists($w) $path
1876                set file_lists($w) [lsort -unique $file_lists($w)]
1877                set lno [lsearch -sorted -exact $file_lists($w) $path]
1878                incr lno
1879                $w conf -state normal
1880                $w image create $lno.0 \
1881                        -align center -padx 5 -pady 1 \
1882                        -name $icon_name \
1883                        -image [mapicon $w $new_m $path]
1884                $w insert $lno.1 "[escape_path $path]\n"
1885                $w conf -state disabled
1886        } elseif {$old_m ne $new_m} {
1887                $w conf -state normal
1888                $w image conf $icon_name -image [mapicon $w $new_m $path]
1889                $w conf -state disabled
1890        }
1891}
1892
1893proc display_file {path state} {
1894        global file_states selected_paths
1895        global ui_index ui_workdir
1896
1897        set old_m [merge_state $path $state]
1898        set s $file_states($path)
1899        set new_m [lindex $s 0]
1900        set icon_name [lindex $s 1]
1901
1902        set o [string index $old_m 0]
1903        set n [string index $new_m 0]
1904        if {$o eq {U}} {
1905                set o _
1906        }
1907        if {$n eq {U}} {
1908                set n _
1909        }
1910        display_file_helper     $ui_index $path $icon_name $o $n
1911
1912        if {[string index $old_m 0] eq {U}} {
1913                set o U
1914        } else {
1915                set o [string index $old_m 1]
1916        }
1917        if {[string index $new_m 0] eq {U}} {
1918                set n U
1919        } else {
1920                set n [string index $new_m 1]
1921        }
1922        display_file_helper     $ui_workdir $path $icon_name $o $n
1923
1924        if {$new_m eq {__}} {
1925                unset file_states($path)
1926                catch {unset selected_paths($path)}
1927        }
1928}
1929
1930proc display_all_files_helper {w path icon_name m} {
1931        global file_lists
1932
1933        lappend file_lists($w) $path
1934        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1935        $w image create end \
1936                -align center -padx 5 -pady 1 \
1937                -name $icon_name \
1938                -image [mapicon $w $m $path]
1939        $w insert end "[escape_path $path]\n"
1940}
1941
1942set files_warning 0
1943proc display_all_files {} {
1944        global ui_index ui_workdir
1945        global file_states file_lists
1946        global last_clicked
1947        global files_warning
1948
1949        $ui_index conf -state normal
1950        $ui_workdir conf -state normal
1951
1952        $ui_index delete 0.0 end
1953        $ui_workdir delete 0.0 end
1954        set last_clicked {}
1955
1956        set file_lists($ui_index) [list]
1957        set file_lists($ui_workdir) [list]
1958
1959        set to_display [lsort [array names file_states]]
1960        set display_limit [get_config gui.maxfilesdisplayed]
1961        if {[llength $to_display] > $display_limit} {
1962                if {!$files_warning} {
1963                        # do not repeatedly warn:
1964                        set files_warning 1
1965                        info_popup [mc "Displaying only %s of %s files." \
1966                                $display_limit [llength $to_display]]
1967                }
1968                set to_display [lrange $to_display 0 [expr {$display_limit-1}]]
1969        }
1970        foreach path $to_display {
1971                set s $file_states($path)
1972                set m [lindex $s 0]
1973                set icon_name [lindex $s 1]
1974
1975                set s [string index $m 0]
1976                if {$s ne {U} && $s ne {_}} {
1977                        display_all_files_helper $ui_index $path \
1978                                $icon_name $s
1979                }
1980
1981                if {[string index $m 0] eq {U}} {
1982                        set s U
1983                } else {
1984                        set s [string index $m 1]
1985                }
1986                if {$s ne {_}} {
1987                        display_all_files_helper $ui_workdir $path \
1988                                $icon_name $s
1989                }
1990        }
1991
1992        $ui_index conf -state disabled
1993        $ui_workdir conf -state disabled
1994}
1995
1996######################################################################
1997##
1998## icons
1999
2000set filemask {
2001#define mask_width 14
2002#define mask_height 15
2003static unsigned char mask_bits[] = {
2004   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2005   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
2006   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
2007}
2008
2009image create bitmap file_plain -background white -foreground black -data {
2010#define plain_width 14
2011#define plain_height 15
2012static unsigned char plain_bits[] = {
2013   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2014   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
2015   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2016} -maskdata $filemask
2017
2018image create bitmap file_mod -background white -foreground blue -data {
2019#define mod_width 14
2020#define mod_height 15
2021static unsigned char mod_bits[] = {
2022   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
2023   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2024   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2025} -maskdata $filemask
2026
2027image create bitmap file_fulltick -background white -foreground "#007000" -data {
2028#define file_fulltick_width 14
2029#define file_fulltick_height 15
2030static unsigned char file_fulltick_bits[] = {
2031   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
2032   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
2033   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2034} -maskdata $filemask
2035
2036image create bitmap file_question -background white -foreground black -data {
2037#define file_question_width 14
2038#define file_question_height 15
2039static unsigned char file_question_bits[] = {
2040   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
2041   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
2042   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2043} -maskdata $filemask
2044
2045image create bitmap file_removed -background white -foreground red -data {
2046#define file_removed_width 14
2047#define file_removed_height 15
2048static unsigned char file_removed_bits[] = {
2049   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
2050   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
2051   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
2052} -maskdata $filemask
2053
2054image create bitmap file_merge -background white -foreground blue -data {
2055#define file_merge_width 14
2056#define file_merge_height 15
2057static unsigned char file_merge_bits[] = {
2058   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
2059   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
2060   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
2061} -maskdata $filemask
2062
2063image create bitmap file_statechange -background white -foreground green -data {
2064#define file_statechange_width 14
2065#define file_statechange_height 15
2066static unsigned char file_statechange_bits[] = {
2067   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
2068   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
2069   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
2070} -maskdata $filemask
2071
2072set ui_index .vpane.files.index.list
2073set ui_workdir .vpane.files.workdir.list
2074
2075set all_icons(_$ui_index)   file_plain
2076set all_icons(A$ui_index)   file_plain
2077set all_icons(M$ui_index)   file_fulltick
2078set all_icons(D$ui_index)   file_removed
2079set all_icons(U$ui_index)   file_merge
2080set all_icons(T$ui_index)   file_statechange
2081
2082set all_icons(_$ui_workdir) file_plain
2083set all_icons(M$ui_workdir) file_mod
2084set all_icons(D$ui_workdir) file_question
2085set all_icons(U$ui_workdir) file_merge
2086set all_icons(O$ui_workdir) file_plain
2087set all_icons(T$ui_workdir) file_statechange
2088
2089set max_status_desc 0
2090foreach i {
2091                {__ {mc "Unmodified"}}
2092
2093                {_M {mc "Modified, not staged"}}
2094                {M_ {mc "Staged for commit"}}
2095                {MM {mc "Portions staged for commit"}}
2096                {MD {mc "Staged for commit, missing"}}
2097
2098                {_T {mc "File type changed, not staged"}}
2099                {MT {mc "File type changed, old type staged for commit"}}
2100                {AT {mc "File type changed, old type staged for commit"}}
2101                {T_ {mc "File type changed, staged"}}
2102                {TM {mc "File type change staged, modification not staged"}}
2103                {TD {mc "File type change staged, file missing"}}
2104
2105                {_O {mc "Untracked, not staged"}}
2106                {A_ {mc "Staged for commit"}}
2107                {AM {mc "Portions staged for commit"}}
2108                {AD {mc "Staged for commit, missing"}}
2109
2110                {_D {mc "Missing"}}
2111                {D_ {mc "Staged for removal"}}
2112                {DO {mc "Staged for removal, still present"}}
2113
2114                {_U {mc "Requires merge resolution"}}
2115                {U_ {mc "Requires merge resolution"}}
2116                {UU {mc "Requires merge resolution"}}
2117                {UM {mc "Requires merge resolution"}}
2118                {UD {mc "Requires merge resolution"}}
2119                {UT {mc "Requires merge resolution"}}
2120        } {
2121        set text [eval [lindex $i 1]]
2122        if {$max_status_desc < [string length $text]} {
2123                set max_status_desc [string length $text]
2124        }
2125        set all_descs([lindex $i 0]) $text
2126}
2127unset i
2128
2129######################################################################
2130##
2131## util
2132
2133proc scrollbar2many {list mode args} {
2134        foreach w $list {eval $w $mode $args}
2135}
2136
2137proc many2scrollbar {list mode sb top bottom} {
2138        $sb set $top $bottom
2139        foreach w $list {$w $mode moveto $top}
2140}
2141
2142proc incr_font_size {font {amt 1}} {
2143        set sz [font configure $font -size]
2144        incr sz $amt
2145        font configure $font -size $sz
2146        font configure ${font}bold -size $sz
2147        font configure ${font}italic -size $sz
2148}
2149
2150######################################################################
2151##
2152## ui commands
2153
2154set starting_gitk_msg [mc "Starting gitk... please wait..."]
2155
2156proc do_gitk {revs {is_submodule false}} {
2157        global current_diff_path file_states current_diff_side ui_index
2158        global _gitdir _gitworktree
2159
2160        # -- Always start gitk through whatever we were loaded with.  This
2161        #    lets us bypass using shell process on Windows systems.
2162        #
2163        set exe [_which gitk -script]
2164        set cmd [list [info nameofexecutable] $exe]
2165        if {$exe eq {}} {
2166                error_popup [mc "Couldn't find gitk in PATH"]
2167        } else {
2168                global env
2169
2170                set pwd [pwd]
2171
2172                if {!$is_submodule} {
2173                        if {![is_bare]} {
2174                                cd $_gitworktree
2175                        }
2176                } else {
2177                        cd $current_diff_path
2178                        if {$revs eq {--}} {
2179                                set s $file_states($current_diff_path)
2180                                set old_sha1 {}
2181                                set new_sha1 {}
2182                                switch -glob -- [lindex $s 0] {
2183                                M_ { set old_sha1 [lindex [lindex $s 2] 1] }
2184                                _M { set old_sha1 [lindex [lindex $s 3] 1] }
2185                                MM {
2186                                        if {$current_diff_side eq $ui_index} {
2187                                                set old_sha1 [lindex [lindex $s 2] 1]
2188                                                set new_sha1 [lindex [lindex $s 3] 1]
2189                                        } else {
2190                                                set old_sha1 [lindex [lindex $s 3] 1]
2191                                        }
2192                                }
2193                                }
2194                                set revs $old_sha1...$new_sha1
2195                        }
2196                        # GIT_DIR and GIT_WORK_TREE for the submodule are not the ones
2197                        # we've been using for the main repository, so unset them.
2198                        # TODO we could make life easier (start up faster?) for gitk
2199                        # by setting these to the appropriate values to allow gitk
2200                        # to skip the heuristics to find their proper value
2201                        unset env(GIT_DIR)
2202                        unset env(GIT_WORK_TREE)
2203                }
2204                eval exec $cmd $revs "--" "--" &
2205
2206                set env(GIT_DIR) $_gitdir
2207                set env(GIT_WORK_TREE) $_gitworktree
2208                cd $pwd
2209
2210                ui_status $::starting_gitk_msg
2211                after 10000 {
2212                        ui_ready $starting_gitk_msg
2213                }
2214        }
2215}
2216
2217proc do_git_gui {} {
2218        global current_diff_path
2219
2220        # -- Always start git gui through whatever we were loaded with.  This
2221        #    lets us bypass using shell process on Windows systems.
2222        #
2223        set exe [list [_which git]]
2224        if {$exe eq {}} {
2225                error_popup [mc "Couldn't find git gui in PATH"]
2226        } else {
2227                global env
2228                global _gitdir _gitworktree
2229
2230                # see note in do_gitk about unsetting these vars when
2231                # running tools in a submodule
2232                unset env(GIT_DIR)
2233                unset env(GIT_WORK_TREE)
2234
2235                set pwd [pwd]
2236                cd $current_diff_path
2237
2238                eval exec $exe gui &
2239
2240                set env(GIT_DIR) $_gitdir
2241                set env(GIT_WORK_TREE) $_gitworktree
2242                cd $pwd
2243
2244                ui_status $::starting_gitk_msg
2245                after 10000 {
2246                        ui_ready $starting_gitk_msg
2247                }
2248        }
2249}
2250
2251proc do_explore {} {
2252        global _gitworktree
2253        set explorer {}
2254        if {[is_Cygwin] || [is_Windows]} {
2255                set explorer "explorer.exe"
2256        } elseif {[is_MacOSX]} {
2257                set explorer "open"
2258        } else {
2259                # freedesktop.org-conforming system is our best shot
2260                set explorer "xdg-open"
2261        }
2262        eval exec $explorer [list [file nativename $_gitworktree]] &
2263}
2264
2265set is_quitting 0
2266set ret_code    1
2267
2268proc terminate_me {win} {
2269        global ret_code
2270        if {$win ne {.}} return
2271        exit $ret_code
2272}
2273
2274proc do_quit {{rc {1}}} {
2275        global ui_comm is_quitting repo_config commit_type
2276        global GITGUI_BCK_exists GITGUI_BCK_i
2277        global ui_comm_spell
2278        global ret_code use_ttk
2279
2280        if {$is_quitting} return
2281        set is_quitting 1
2282
2283        if {[winfo exists $ui_comm]} {
2284                # -- Stash our current commit buffer.
2285                #
2286                set save [gitdir GITGUI_MSG]
2287                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
2288                        file rename -force [gitdir GITGUI_BCK] $save
2289                        set GITGUI_BCK_exists 0
2290                } else {
2291                        set msg [string trim [$ui_comm get 0.0 end]]
2292                        regsub -all -line {[ \r\t]+$} $msg {} msg
2293                        if {(![string match amend* $commit_type]
2294                                || [$ui_comm edit modified])
2295                                && $msg ne {}} {
2296                                catch {
2297                                        set fd [open $save w]
2298                                        fconfigure $fd -encoding utf-8
2299                                        puts -nonewline $fd $msg
2300                                        close $fd
2301                                }
2302                        } else {
2303                                catch {file delete $save}
2304                        }
2305                }
2306
2307                # -- Cancel our spellchecker if its running.
2308                #
2309                if {[info exists ui_comm_spell]} {
2310                        $ui_comm_spell stop
2311                }
2312
2313                # -- Remove our editor backup, its not needed.
2314                #
2315                after cancel $GITGUI_BCK_i
2316                if {$GITGUI_BCK_exists} {
2317                        catch {file delete [gitdir GITGUI_BCK]}
2318                }
2319
2320                # -- Stash our current window geometry into this repository.
2321                #
2322                set cfg_wmstate [wm state .]
2323                if {[catch {set rc_wmstate $repo_config(gui.wmstate)}]} {
2324                        set rc_wmstate {}
2325                }
2326                if {$cfg_wmstate ne $rc_wmstate} {
2327                        catch {git config gui.wmstate $cfg_wmstate}
2328                }
2329                if {$cfg_wmstate eq {zoomed}} {
2330                        # on Windows wm geometry will lie about window
2331                        # position (but not size) when window is zoomed
2332                        # restore the window before querying wm geometry
2333                        wm state . normal
2334                }
2335                set cfg_geometry [list]
2336                lappend cfg_geometry [wm geometry .]
2337                if {$use_ttk} {
2338                        lappend cfg_geometry [.vpane sashpos 0]
2339                        lappend cfg_geometry [.vpane.files sashpos 0]
2340                } else {
2341                        lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
2342                        lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
2343                }
2344                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
2345                        set rc_geometry {}
2346                }
2347                if {$cfg_geometry ne $rc_geometry} {
2348                        catch {git config gui.geometry $cfg_geometry}
2349                }
2350        }
2351
2352        set ret_code $rc
2353
2354        # Briefly enable send again, working around Tk bug
2355        # http://sourceforge.net/tracker/?func=detail&atid=112997&aid=1821174&group_id=12997
2356        tk appname [appname]
2357
2358        destroy .
2359}
2360
2361proc do_rescan {} {
2362        rescan ui_ready
2363}
2364
2365proc ui_do_rescan {} {
2366        rescan {force_first_diff ui_ready}
2367}
2368
2369proc do_commit {} {
2370        commit_tree
2371}
2372
2373proc next_diff {{after {}}} {
2374        global next_diff_p next_diff_w next_diff_i
2375        show_diff $next_diff_p $next_diff_w {} {} $after
2376}
2377
2378proc find_anchor_pos {lst name} {
2379        set lid [lsearch -sorted -exact $lst $name]
2380
2381        if {$lid == -1} {
2382                set lid 0
2383                foreach lname $lst {
2384                        if {$lname >= $name} break
2385                        incr lid
2386                }
2387        }
2388
2389        return $lid
2390}
2391
2392proc find_file_from {flist idx delta path mmask} {
2393        global file_states
2394
2395        set len [llength $flist]
2396        while {$idx >= 0 && $idx < $len} {
2397                set name [lindex $flist $idx]
2398
2399                if {$name ne $path && [info exists file_states($name)]} {
2400                        set state [lindex $file_states($name) 0]
2401
2402                        if {$mmask eq {} || [regexp $mmask $state]} {
2403                                return $idx
2404                        }
2405                }
2406
2407                incr idx $delta
2408        }
2409
2410        return {}
2411}
2412
2413proc find_next_diff {w path {lno {}} {mmask {}}} {
2414        global next_diff_p next_diff_w next_diff_i
2415        global file_lists ui_index ui_workdir
2416
2417        set flist $file_lists($w)
2418        if {$lno eq {}} {
2419                set lno [find_anchor_pos $flist $path]
2420        } else {
2421                incr lno -1
2422        }
2423
2424        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2425                if {$w eq $ui_index} {
2426                        set mmask "^$mmask"
2427                } else {
2428                        set mmask "$mmask\$"
2429                }
2430        }
2431
2432        set idx [find_file_from $flist $lno 1 $path $mmask]
2433        if {$idx eq {}} {
2434                incr lno -1
2435                set idx [find_file_from $flist $lno -1 $path $mmask]
2436        }
2437
2438        if {$idx ne {}} {
2439                set next_diff_w $w
2440                set next_diff_p [lindex $flist $idx]
2441                set next_diff_i [expr {$idx+1}]
2442                return 1
2443        } else {
2444                return 0
2445        }
2446}
2447
2448proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2449        global current_diff_path
2450
2451        if {$path ne $current_diff_path} {
2452                return {}
2453        } elseif {[find_next_diff $w $path $lno $mmask]} {
2454                return {next_diff;}
2455        } else {
2456                return {reshow_diff;}
2457        }
2458}
2459
2460proc select_first_diff {after} {
2461        global ui_workdir
2462
2463        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2464            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2465                next_diff $after
2466        } else {
2467                uplevel #0 $after
2468        }
2469}
2470
2471proc force_first_diff {after} {
2472        global ui_workdir current_diff_path file_states
2473
2474        if {[info exists file_states($current_diff_path)]} {
2475                set state [lindex $file_states($current_diff_path) 0]
2476        } else {
2477                set state {OO}
2478        }
2479
2480        set reselect 0
2481        if {[string first {U} $state] >= 0} {
2482                # Already a conflict, do nothing
2483        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2484                set reselect 1
2485        } elseif {[string index $state 1] ne {O}} {
2486                # Already a diff & no conflicts, do nothing
2487        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2488                set reselect 1
2489        }
2490
2491        if {$reselect} {
2492                next_diff $after
2493        } else {
2494                uplevel #0 $after
2495        }
2496}
2497
2498proc toggle_or_diff {w x y} {
2499        global file_states file_lists current_diff_path ui_index ui_workdir
2500        global last_clicked selected_paths
2501
2502        set pos [split [$w index @$x,$y] .]
2503        set lno [lindex $pos 0]
2504        set col [lindex $pos 1]
2505        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2506        if {$path eq {}} {
2507                set last_clicked {}
2508                return
2509        }
2510
2511        set last_clicked [list $w $lno]
2512        array unset selected_paths
2513        $ui_index tag remove in_sel 0.0 end
2514        $ui_workdir tag remove in_sel 0.0 end
2515
2516        # Determine the state of the file
2517        if {[info exists file_states($path)]} {
2518                set state [lindex $file_states($path) 0]
2519        } else {
2520                set state {__}
2521        }
2522
2523        # Restage the file, or simply show the diff
2524        if {$col == 0 && $y > 1} {
2525                # Conflicts need special handling
2526                if {[string first {U} $state] >= 0} {
2527                        # $w must always be $ui_workdir, but...
2528                        if {$w ne $ui_workdir} { set lno {} }
2529                        merge_stage_workdir $path $lno
2530                        return
2531                }
2532
2533                if {[string index $state 1] eq {O}} {
2534                        set mmask {}
2535                } else {
2536                        set mmask {[^O]}
2537                }
2538
2539                set after [next_diff_after_action $w $path $lno $mmask]
2540
2541                if {$w eq $ui_index} {
2542                        update_indexinfo \
2543                                "Unstaging [short_path $path] from commit" \
2544                                [list $path] \
2545                                [concat $after [list ui_ready]]
2546                } elseif {$w eq $ui_workdir} {
2547                        update_index \
2548                                "Adding [short_path $path]" \
2549                                [list $path] \
2550                                [concat $after [list ui_ready]]
2551                }
2552        } else {
2553                set selected_paths($path) 1
2554                show_diff $path $w $lno
2555        }
2556}
2557
2558proc add_one_to_selection {w x y} {
2559        global file_lists last_clicked selected_paths
2560
2561        set lno [lindex [split [$w index @$x,$y] .] 0]
2562        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2563        if {$path eq {}} {
2564                set last_clicked {}
2565                return
2566        }
2567
2568        if {$last_clicked ne {}
2569                && [lindex $last_clicked 0] ne $w} {
2570                array unset selected_paths
2571                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2572        }
2573
2574        set last_clicked [list $w $lno]
2575        if {[catch {set in_sel $selected_paths($path)}]} {
2576                set in_sel 0
2577        }
2578        if {$in_sel} {
2579                unset selected_paths($path)
2580                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2581        } else {
2582                set selected_paths($path) 1
2583                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2584        }
2585}
2586
2587proc add_range_to_selection {w x y} {
2588        global file_lists last_clicked selected_paths
2589
2590        if {[lindex $last_clicked 0] ne $w} {
2591                toggle_or_diff $w $x $y
2592                return
2593        }
2594
2595        set lno [lindex [split [$w index @$x,$y] .] 0]
2596        set lc [lindex $last_clicked 1]
2597        if {$lc < $lno} {
2598                set begin $lc
2599                set end $lno
2600        } else {
2601                set begin $lno
2602                set end $lc
2603        }
2604
2605        foreach path [lrange $file_lists($w) \
2606                [expr {$begin - 1}] \
2607                [expr {$end - 1}]] {
2608                set selected_paths($path) 1
2609        }
2610        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2611}
2612
2613proc show_more_context {} {
2614        global repo_config
2615        if {$repo_config(gui.diffcontext) < 99} {
2616                incr repo_config(gui.diffcontext)
2617                reshow_diff
2618        }
2619}
2620
2621proc show_less_context {} {
2622        global repo_config
2623        if {$repo_config(gui.diffcontext) > 1} {
2624                incr repo_config(gui.diffcontext) -1
2625                reshow_diff
2626        }
2627}
2628
2629######################################################################
2630##
2631## ui construction
2632
2633set ui_comm {}
2634
2635# -- Menu Bar
2636#
2637menu .mbar -tearoff 0
2638if {[is_MacOSX]} {
2639        # -- Apple Menu (Mac OS X only)
2640        #
2641        .mbar add cascade -label Apple -menu .mbar.apple
2642        menu .mbar.apple
2643}
2644.mbar add cascade -label [mc Repository] -menu .mbar.repository
2645.mbar add cascade -label [mc Edit] -menu .mbar.edit
2646if {[is_enabled branch]} {
2647        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2648}
2649if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2650        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2651}
2652if {[is_enabled transport]} {
2653        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2654        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2655}
2656if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2657        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2658}
2659
2660# -- Repository Menu
2661#
2662menu .mbar.repository
2663
2664if {![is_bare]} {
2665        .mbar.repository add command \
2666                -label [mc "Explore Working Copy"] \
2667                -command {do_explore}
2668}
2669
2670if {[is_Windows]} {
2671        .mbar.repository add command \
2672                -label [mc "Git Bash"] \
2673                -command {eval exec [auto_execok start] \
2674                                          [list "Git Bash" bash --login -l &]}
2675}
2676
2677if {[is_Windows] || ![is_bare]} {
2678        .mbar.repository add separator
2679}
2680
2681.mbar.repository add command \
2682        -label [mc "Browse Current Branch's Files"] \
2683        -command {browser::new $current_branch}
2684set ui_browse_current [.mbar.repository index last]
2685.mbar.repository add command \
2686        -label [mc "Browse Branch Files..."] \
2687        -command browser_open::dialog
2688.mbar.repository add separator
2689
2690.mbar.repository add command \
2691        -label [mc "Visualize Current Branch's History"] \
2692        -command {do_gitk $current_branch}
2693set ui_visualize_current [.mbar.repository index last]
2694.mbar.repository add command \
2695        -label [mc "Visualize All Branch History"] \
2696        -command {do_gitk --all}
2697.mbar.repository add separator
2698
2699proc current_branch_write {args} {
2700        global current_branch
2701        .mbar.repository entryconf $::ui_browse_current \
2702                -label [mc "Browse %s's Files" $current_branch]
2703        .mbar.repository entryconf $::ui_visualize_current \
2704                -label [mc "Visualize %s's History" $current_branch]
2705}
2706trace add variable current_branch write current_branch_write
2707
2708if {[is_enabled multicommit]} {
2709        .mbar.repository add command -label [mc "Database Statistics"] \
2710                -command do_stats
2711
2712        .mbar.repository add command -label [mc "Compress Database"] \
2713                -command do_gc
2714
2715        .mbar.repository add command -label [mc "Verify Database"] \
2716                -command do_fsck_objects
2717
2718        .mbar.repository add separator
2719
2720        if {[is_Cygwin]} {
2721                .mbar.repository add command \
2722                        -label [mc "Create Desktop Icon"] \
2723                        -command do_cygwin_shortcut
2724        } elseif {[is_Windows]} {
2725                .mbar.repository add command \
2726                        -label [mc "Create Desktop Icon"] \
2727                        -command do_windows_shortcut
2728        } elseif {[is_MacOSX]} {
2729                .mbar.repository add command \
2730                        -label [mc "Create Desktop Icon"] \
2731                        -command do_macosx_app
2732        }
2733}
2734
2735if {[is_MacOSX]} {
2736        proc ::tk::mac::Quit {args} { do_quit }
2737} else {
2738        .mbar.repository add command -label [mc Quit] \
2739                -command do_quit \
2740                -accelerator $M1T-Q
2741}
2742
2743# -- Edit Menu
2744#
2745menu .mbar.edit
2746.mbar.edit add command -label [mc Undo] \
2747        -command {catch {[focus] edit undo}} \
2748        -accelerator $M1T-Z
2749.mbar.edit add command -label [mc Redo] \
2750        -command {catch {[focus] edit redo}} \
2751        -accelerator $M1T-Y
2752.mbar.edit add separator
2753.mbar.edit add command -label [mc Cut] \
2754        -command {catch {tk_textCut [focus]}} \
2755        -accelerator $M1T-X
2756.mbar.edit add command -label [mc Copy] \
2757        -command {catch {tk_textCopy [focus]}} \
2758        -accelerator $M1T-C
2759.mbar.edit add command -label [mc Paste] \
2760        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2761        -accelerator $M1T-V
2762.mbar.edit add command -label [mc Delete] \
2763        -command {catch {[focus] delete sel.first sel.last}} \
2764        -accelerator Del
2765.mbar.edit add separator
2766.mbar.edit add command -label [mc "Select All"] \
2767        -command {catch {[focus] tag add sel 0.0 end}} \
2768        -accelerator $M1T-A
2769
2770# -- Branch Menu
2771#
2772if {[is_enabled branch]} {
2773        menu .mbar.branch
2774
2775        .mbar.branch add command -label [mc "Create..."] \
2776                -command branch_create::dialog \
2777                -accelerator $M1T-N
2778        lappend disable_on_lock [list .mbar.branch entryconf \
2779                [.mbar.branch index last] -state]
2780
2781        .mbar.branch add command -label [mc "Checkout..."] \
2782                -command branch_checkout::dialog \
2783                -accelerator $M1T-O
2784        lappend disable_on_lock [list .mbar.branch entryconf \
2785                [.mbar.branch index last] -state]
2786
2787        .mbar.branch add command -label [mc "Rename..."] \
2788                -command branch_rename::dialog
2789        lappend disable_on_lock [list .mbar.branch entryconf \
2790                [.mbar.branch index last] -state]
2791
2792        .mbar.branch add command -label [mc "Delete..."] \
2793                -command branch_delete::dialog
2794        lappend disable_on_lock [list .mbar.branch entryconf \
2795                [.mbar.branch index last] -state]
2796
2797        .mbar.branch add command -label [mc "Reset..."] \
2798                -command merge::reset_hard
2799        lappend disable_on_lock [list .mbar.branch entryconf \
2800                [.mbar.branch index last] -state]
2801}
2802
2803# -- Commit Menu
2804#
2805proc commit_btn_caption {} {
2806        if {[is_enabled nocommit]} {
2807                return [mc "Done"]
2808        } else {
2809                return [mc Commit@@verb]
2810        }
2811}
2812
2813if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2814        menu .mbar.commit
2815
2816        if {![is_enabled nocommit]} {
2817                .mbar.commit add radiobutton \
2818                        -label [mc "New Commit"] \
2819                        -command do_select_commit_type \
2820                        -variable selected_commit_type \
2821                        -value new
2822                lappend disable_on_lock \
2823                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2824
2825                .mbar.commit add radiobutton \
2826                        -label [mc "Amend Last Commit"] \
2827                        -command do_select_commit_type \
2828                        -variable selected_commit_type \
2829                        -value amend
2830                lappend disable_on_lock \
2831                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2832
2833                .mbar.commit add separator
2834        }
2835
2836        .mbar.commit add command -label [mc Rescan] \
2837                -command ui_do_rescan \
2838                -accelerator F5
2839        lappend disable_on_lock \
2840                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2841
2842        .mbar.commit add command -label [mc "Stage To Commit"] \
2843                -command do_add_selection \
2844                -accelerator $M1T-T
2845        lappend disable_on_lock \
2846                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2847
2848        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2849                -command do_add_all \
2850                -accelerator $M1T-I
2851        lappend disable_on_lock \
2852                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2853
2854        .mbar.commit add command -label [mc "Unstage From Commit"] \
2855                -command do_unstage_selection \
2856                -accelerator $M1T-U
2857        lappend disable_on_lock \
2858                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2859
2860        .mbar.commit add command -label [mc "Revert Changes"] \
2861                -command do_revert_selection \
2862                -accelerator $M1T-J
2863        lappend disable_on_lock \
2864                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2865
2866        .mbar.commit add separator
2867
2868        .mbar.commit add command -label [mc "Show Less Context"] \
2869                -command show_less_context \
2870                -accelerator $M1T-\-
2871
2872        .mbar.commit add command -label [mc "Show More Context"] \
2873                -command show_more_context \
2874                -accelerator $M1T-=
2875
2876        .mbar.commit add separator
2877
2878        if {![is_enabled nocommitmsg]} {
2879                .mbar.commit add command -label [mc "Sign Off"] \
2880                        -command do_signoff \
2881                        -accelerator $M1T-S
2882        }
2883
2884        .mbar.commit add command -label [commit_btn_caption] \
2885                -command do_commit \
2886                -accelerator $M1T-Return
2887        lappend disable_on_lock \
2888                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2889}
2890
2891# -- Merge Menu
2892#
2893if {[is_enabled branch]} {
2894        menu .mbar.merge
2895        .mbar.merge add command -label [mc "Local Merge..."] \
2896                -command merge::dialog \
2897                -accelerator $M1T-M
2898        lappend disable_on_lock \
2899                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2900        .mbar.merge add command -label [mc "Abort Merge..."] \
2901                -command merge::reset_hard
2902        lappend disable_on_lock \
2903                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2904}
2905
2906# -- Transport Menu
2907#
2908if {[is_enabled transport]} {
2909        menu .mbar.remote
2910
2911        .mbar.remote add command \
2912                -label [mc "Add..."] \
2913                -command remote_add::dialog \
2914                -accelerator $M1T-A
2915        .mbar.remote add command \
2916                -label [mc "Push..."] \
2917                -command do_push_anywhere \
2918                -accelerator $M1T-P
2919        .mbar.remote add command \
2920                -label [mc "Delete Branch..."] \
2921                -command remote_branch_delete::dialog
2922}
2923
2924if {[is_MacOSX]} {
2925        proc ::tk::mac::ShowPreferences {} {do_options}
2926} else {
2927        # -- Edit Menu
2928        #
2929        .mbar.edit add separator
2930        .mbar.edit add command -label [mc "Options..."] \
2931                -command do_options
2932}
2933
2934# -- Tools Menu
2935#
2936if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2937        set tools_menubar .mbar.tools
2938        menu $tools_menubar
2939        $tools_menubar add separator
2940        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2941        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2942        set tools_tailcnt 3
2943        if {[array names repo_config guitool.*.cmd] ne {}} {
2944                tools_populate_all
2945        }
2946}
2947
2948# -- Help Menu
2949#
2950.mbar add cascade -label [mc Help] -menu .mbar.help
2951menu .mbar.help
2952
2953if {[is_MacOSX]} {
2954        .mbar.apple add command -label [mc "About %s" [appname]] \
2955                -command do_about
2956        .mbar.apple add separator
2957} else {
2958        .mbar.help add command -label [mc "About %s" [appname]] \
2959                -command do_about
2960}
2961. configure -menu .mbar
2962
2963set doc_path [githtmldir]
2964if {$doc_path ne {}} {
2965        set doc_path [file join $doc_path index.html]
2966
2967        if {[is_Cygwin]} {
2968                set doc_path [exec cygpath --mixed $doc_path]
2969        }
2970}
2971
2972if {[file isfile $doc_path]} {
2973        set doc_url "file:$doc_path"
2974} else {
2975        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2976}
2977
2978proc start_browser {url} {
2979        git "web--browse" $url
2980}
2981
2982.mbar.help add command -label [mc "Online Documentation"] \
2983        -command [list start_browser $doc_url]
2984
2985.mbar.help add command -label [mc "Show SSH Key"] \
2986        -command do_ssh_key
2987
2988unset doc_path doc_url
2989
2990# -- Standard bindings
2991#
2992wm protocol . WM_DELETE_WINDOW do_quit
2993bind all <$M1B-Key-q> do_quit
2994bind all <$M1B-Key-Q> do_quit
2995bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2996bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2997
2998set subcommand_args {}
2999proc usage {} {
3000        set s "usage: $::argv0 $::subcommand $::subcommand_args"
3001        if {[tk windowingsystem] eq "win32"} {
3002                wm withdraw .
3003                tk_messageBox -icon info -message $s \
3004                        -title [mc "Usage"]
3005        } else {
3006                puts stderr $s
3007        }
3008        exit 1
3009}
3010
3011proc normalize_relpath {path} {
3012        set elements {}
3013        foreach item [file split $path] {
3014                if {$item eq {.}} continue
3015                if {$item eq {..} && [llength $elements] > 0
3016                    && [lindex $elements end] ne {..}} {
3017                        set elements [lrange $elements 0 end-1]
3018                        continue
3019                }
3020                lappend elements $item
3021        }
3022        return [eval file join $elements]
3023}
3024
3025# -- Not a normal commit type invocation?  Do that instead!
3026#
3027switch -- $subcommand {
3028browser -
3029blame {
3030        if {$subcommand eq "blame"} {
3031                set subcommand_args {[--line=<num>] rev? path}
3032        } else {
3033                set subcommand_args {rev? path}
3034        }
3035        if {$argv eq {}} usage
3036        set head {}
3037        set path {}
3038        set jump_spec {}
3039        set is_path 0
3040        foreach a $argv {
3041                set p [file join $_prefix $a]
3042
3043                if {$is_path || [file exists $p]} {
3044                        if {$path ne {}} usage
3045                        set path [normalize_relpath $p]
3046                        break
3047                } elseif {$a eq {--}} {
3048                        if {$path ne {}} {
3049                                if {$head ne {}} usage
3050                                set head $path
3051                                set path {}
3052                        }
3053                        set is_path 1
3054                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
3055                        if {$jump_spec ne {} || $head ne {}} usage
3056                        set jump_spec [list $lnum]
3057                } elseif {$head eq {}} {
3058                        if {$head ne {}} usage
3059                        set head $a
3060                        set is_path 1
3061                } else {
3062                        usage
3063                }
3064        }
3065        unset is_path
3066
3067        if {$head ne {} && $path eq {}} {
3068                if {[string index $head 0] eq {/}} {
3069                        set path [normalize_relpath $head]
3070                        set head {}
3071                } else {
3072                        set path [normalize_relpath $_prefix$head]
3073                        set head {}
3074                }
3075        }
3076
3077        if {$head eq {}} {
3078                load_current_branch
3079        } else {
3080                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
3081                        if {[catch {
3082                                        set head [git rev-parse --verify $head]
3083                                } err]} {
3084                                if {[tk windowingsystem] eq "win32"} {
3085                                        tk_messageBox -icon error -title [mc Error] -message $err
3086                                } else {
3087                                        puts stderr $err
3088                                }
3089                                exit 1
3090                        }
3091                }
3092                set current_branch $head
3093        }
3094
3095        wm deiconify .
3096        switch -- $subcommand {
3097        browser {
3098                if {$jump_spec ne {}} usage
3099                if {$head eq {}} {
3100                        if {$path ne {} && [file isdirectory $path]} {
3101                                set head $current_branch
3102                        } else {
3103                                set head $path
3104                                set path {}
3105                        }
3106                }
3107                browser::new $head $path
3108        }
3109        blame   {
3110                if {$head eq {} && ![file exists $path]} {
3111                        catch {wm withdraw .}
3112                        tk_messageBox \
3113                                -icon error \
3114                                -type ok \
3115                                -title [mc "git-gui: fatal error"] \
3116                                -message [mc "fatal: cannot stat path %s: No such file or directory" $path]
3117                        exit 1
3118                }
3119                blame::new $head $path $jump_spec
3120        }
3121        }
3122        return
3123}
3124citool -
3125gui {
3126        if {[llength $argv] != 0} {
3127                usage
3128        }
3129        # fall through to setup UI for commits
3130}
3131default {
3132        set err "usage: $argv0 \[{blame|browser|citool}\]"
3133        if {[tk windowingsystem] eq "win32"} {
3134                wm withdraw .
3135                tk_messageBox -icon error -message $err \
3136                        -title [mc "Usage"]
3137        } else {
3138                puts stderr $err
3139        }
3140        exit 1
3141}
3142}
3143
3144# -- Branch Control
3145#
3146${NS}::frame .branch
3147if {!$use_ttk} {.branch configure -borderwidth 1 -relief sunken}
3148${NS}::label .branch.l1 \
3149        -text [mc "Current Branch:"] \
3150        -anchor w \
3151        -justify left
3152${NS}::label .branch.cb \
3153        -textvariable current_branch \
3154        -anchor w \
3155        -justify left
3156pack .branch.l1 -side left
3157pack .branch.cb -side left -fill x
3158pack .branch -side top -fill x
3159
3160# -- Main Window Layout
3161#
3162${NS}::panedwindow .vpane -orient horizontal
3163${NS}::panedwindow .vpane.files -orient vertical
3164if {$use_ttk} {
3165        .vpane add .vpane.files
3166} else {
3167        .vpane add .vpane.files -sticky nsew -height 100 -width 200
3168}
3169pack .vpane -anchor n -side top -fill both -expand 1
3170
3171# -- Index File List
3172#
3173${NS}::frame .vpane.files.index -height 100 -width 200
3174tlabel .vpane.files.index.title \
3175        -text [mc "Staged Changes (Will Commit)"] \
3176        -background lightgreen -foreground black
3177text $ui_index -background white -foreground black \
3178        -borderwidth 0 \
3179        -width 20 -height 10 \
3180        -wrap none \
3181        -cursor $cursor_ptr \
3182        -xscrollcommand {.vpane.files.index.sx set} \
3183        -yscrollcommand {.vpane.files.index.sy set} \
3184        -state disabled
3185${NS}::scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
3186${NS}::scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
3187pack .vpane.files.index.title -side top -fill x
3188pack .vpane.files.index.sx -side bottom -fill x
3189pack .vpane.files.index.sy -side right -fill y
3190pack $ui_index -side left -fill both -expand 1
3191
3192# -- Working Directory File List
3193#
3194${NS}::frame .vpane.files.workdir -height 100 -width 200
3195tlabel .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
3196        -background lightsalmon -foreground black
3197text $ui_workdir -background white -foreground black \
3198        -borderwidth 0 \
3199        -width 20 -height 10 \
3200        -wrap none \
3201        -cursor $cursor_ptr \
3202        -xscrollcommand {.vpane.files.workdir.sx set} \
3203        -yscrollcommand {.vpane.files.workdir.sy set} \
3204        -state disabled
3205${NS}::scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
3206${NS}::scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
3207pack .vpane.files.workdir.title -side top -fill x
3208pack .vpane.files.workdir.sx -side bottom -fill x
3209pack .vpane.files.workdir.sy -side right -fill y
3210pack $ui_workdir -side left -fill both -expand 1
3211
3212.vpane.files add .vpane.files.workdir
3213.vpane.files add .vpane.files.index
3214if {!$use_ttk} {
3215        .vpane.files paneconfigure .vpane.files.workdir -sticky news
3216        .vpane.files paneconfigure .vpane.files.index -sticky news
3217}
3218
3219foreach i [list $ui_index $ui_workdir] {
3220        rmsel_tag $i
3221        $i tag conf in_diff -background [$i tag cget in_sel -background]
3222}
3223unset i
3224
3225# -- Diff and Commit Area
3226#
3227if {$have_tk85} {
3228        ${NS}::panedwindow .vpane.lower -orient vertical
3229        ${NS}::frame .vpane.lower.commarea
3230        ${NS}::frame .vpane.lower.diff -relief sunken -borderwidth 1 -height 500
3231        .vpane.lower add .vpane.lower.diff
3232        .vpane.lower add .vpane.lower.commarea
3233        .vpane add .vpane.lower
3234        if {$use_ttk} {
3235                .vpane.lower pane .vpane.lower.diff -weight 1
3236                .vpane.lower pane .vpane.lower.commarea -weight 0
3237        } else {
3238                .vpane.lower paneconfigure .vpane.lower.diff -stretch always
3239                .vpane.lower paneconfigure .vpane.lower.commarea -stretch never
3240        }
3241} else {
3242        frame .vpane.lower -height 300 -width 400
3243        frame .vpane.lower.commarea
3244        frame .vpane.lower.diff -relief sunken -borderwidth 1
3245        pack .vpane.lower.diff -fill both -expand 1
3246        pack .vpane.lower.commarea -side bottom -fill x
3247        .vpane add .vpane.lower
3248        .vpane paneconfigure .vpane.lower -sticky nsew
3249}
3250
3251# -- Commit Area Buttons
3252#
3253${NS}::frame .vpane.lower.commarea.buttons
3254${NS}::label .vpane.lower.commarea.buttons.l -text {} \
3255        -anchor w \
3256        -justify left
3257pack .vpane.lower.commarea.buttons.l -side top -fill x
3258pack .vpane.lower.commarea.buttons -side left -fill y
3259
3260${NS}::button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
3261        -command ui_do_rescan
3262pack .vpane.lower.commarea.buttons.rescan -side top -fill x
3263lappend disable_on_lock \
3264        {.vpane.lower.commarea.buttons.rescan conf -state}
3265
3266${NS}::button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
3267        -command do_add_all
3268pack .vpane.lower.commarea.buttons.incall -side top -fill x
3269lappend disable_on_lock \
3270        {.vpane.lower.commarea.buttons.incall conf -state}
3271
3272if {![is_enabled nocommitmsg]} {
3273        ${NS}::button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
3274                -command do_signoff
3275        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
3276}
3277
3278${NS}::button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
3279        -command do_commit
3280pack .vpane.lower.commarea.buttons.commit -side top -fill x
3281lappend disable_on_lock \
3282        {.vpane.lower.commarea.buttons.commit conf -state}
3283
3284if {![is_enabled nocommit]} {
3285        ${NS}::button .vpane.lower.commarea.buttons.push -text [mc Push] \
3286                -command do_push_anywhere
3287        pack .vpane.lower.commarea.buttons.push -side top -fill x
3288}
3289
3290# -- Commit Message Buffer
3291#
3292${NS}::frame .vpane.lower.commarea.buffer
3293${NS}::frame .vpane.lower.commarea.buffer.header
3294set ui_comm .vpane.lower.commarea.buffer.t
3295set ui_coml .vpane.lower.commarea.buffer.header.l
3296
3297if {![is_enabled nocommit]} {
3298        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.new \
3299                -text [mc "New Commit"] \
3300                -command do_select_commit_type \
3301                -variable selected_commit_type \
3302                -value new
3303        lappend disable_on_lock \
3304                [list .vpane.lower.commarea.buffer.header.new conf -state]
3305        ${NS}::radiobutton .vpane.lower.commarea.buffer.header.amend \
3306                -text [mc "Amend Last Commit"] \
3307                -command do_select_commit_type \
3308                -variable selected_commit_type \
3309                -value amend
3310        lappend disable_on_lock \
3311                [list .vpane.lower.commarea.buffer.header.amend conf -state]
3312}
3313
3314${NS}::label $ui_coml \
3315        -anchor w \
3316        -justify left
3317proc trace_commit_type {varname args} {
3318        global ui_coml commit_type
3319        switch -glob -- $commit_type {
3320        initial       {set txt [mc "Initial Commit Message:"]}
3321        amend         {set txt [mc "Amended Commit Message:"]}
3322        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
3323        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
3324        merge         {set txt [mc "Merge Commit Message:"]}
3325        *             {set txt [mc "Commit Message:"]}
3326        }
3327        $ui_coml conf -text $txt
3328}
3329trace add variable commit_type write trace_commit_type
3330pack $ui_coml -side left -fill x
3331
3332if {![is_enabled nocommit]} {
3333        pack .vpane.lower.commarea.buffer.header.amend -side right
3334        pack .vpane.lower.commarea.buffer.header.new -side right
3335}
3336
3337text $ui_comm -background white -foreground black \
3338        -borderwidth 1 \
3339        -undo true \
3340        -maxundo 20 \
3341        -autoseparators true \
3342        -relief sunken \
3343        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
3344        -font font_diff \
3345        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
3346${NS}::scrollbar .vpane.lower.commarea.buffer.sby \
3347        -command [list $ui_comm yview]
3348pack .vpane.lower.commarea.buffer.header -side top -fill x
3349pack .vpane.lower.commarea.buffer.sby -side right -fill y
3350pack $ui_comm -side left -fill y
3351pack .vpane.lower.commarea.buffer -side left -fill y
3352
3353# -- Commit Message Buffer Context Menu
3354#
3355set ctxm .vpane.lower.commarea.buffer.ctxm
3356menu $ctxm -tearoff 0
3357$ctxm add command \
3358        -label [mc Cut] \
3359        -command {tk_textCut $ui_comm}
3360$ctxm add command \
3361        -label [mc Copy] \
3362        -command {tk_textCopy $ui_comm}
3363$ctxm add command \
3364        -label [mc Paste] \
3365        -command {tk_textPaste $ui_comm}
3366$ctxm add command \
3367        -label [mc Delete] \
3368        -command {catch {$ui_comm delete sel.first sel.last}}
3369$ctxm add separator
3370$ctxm add command \
3371        -label [mc "Select All"] \
3372        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
3373$ctxm add command \
3374        -label [mc "Copy All"] \
3375        -command {
3376                $ui_comm tag add sel 0.0 end
3377                tk_textCopy $ui_comm
3378                $ui_comm tag remove sel 0.0 end
3379        }
3380$ctxm add separator
3381$ctxm add command \
3382        -label [mc "Sign Off"] \
3383        -command do_signoff
3384set ui_comm_ctxm $ctxm
3385
3386# -- Diff Header
3387#
3388proc trace_current_diff_path {varname args} {
3389        global current_diff_path diff_actions file_states
3390        if {$current_diff_path eq {}} {
3391                set s {}
3392                set f {}
3393                set p {}
3394                set o disabled
3395        } else {
3396                set p $current_diff_path
3397                set s [mapdesc [lindex $file_states($p) 0] $p]
3398                set f [mc "File:"]
3399                set p [escape_path $p]
3400                set o normal
3401        }
3402
3403        .vpane.lower.diff.header.status configure -text $s
3404        .vpane.lower.diff.header.file configure -text $f
3405        .vpane.lower.diff.header.path configure -text $p
3406        foreach w $diff_actions {
3407                uplevel #0 $w $o
3408        }
3409}
3410trace add variable current_diff_path write trace_current_diff_path
3411
3412gold_frame .vpane.lower.diff.header
3413tlabel .vpane.lower.diff.header.status \
3414        -background gold \
3415        -foreground black \
3416        -width $max_status_desc \
3417        -anchor w \
3418        -justify left
3419tlabel .vpane.lower.diff.header.file \
3420        -background gold \
3421        -foreground black \
3422        -anchor w \
3423        -justify left
3424tlabel .vpane.lower.diff.header.path \
3425        -background gold \
3426        -foreground black \
3427        -anchor w \
3428        -justify left
3429pack .vpane.lower.diff.header.status -side left
3430pack .vpane.lower.diff.header.file -side left
3431pack .vpane.lower.diff.header.path -fill x
3432set ctxm .vpane.lower.diff.header.ctxm
3433menu $ctxm -tearoff 0
3434$ctxm add command \
3435        -label [mc Copy] \
3436        -command {
3437                clipboard clear
3438                clipboard append \
3439                        -format STRING \
3440                        -type STRING \
3441                        -- $current_diff_path
3442        }
3443lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3444bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3445
3446# -- Diff Body
3447#
3448${NS}::frame .vpane.lower.diff.body
3449set ui_diff .vpane.lower.diff.body.t
3450text $ui_diff -background white -foreground black \
3451        -borderwidth 0 \
3452        -width 80 -height 5 -wrap none \
3453        -font font_diff \
3454        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3455        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3456        -state disabled
3457catch {$ui_diff configure -tabstyle wordprocessor}
3458${NS}::scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3459        -command [list $ui_diff xview]
3460${NS}::scrollbar .vpane.lower.diff.body.sby -orient vertical \
3461        -command [list $ui_diff yview]
3462pack .vpane.lower.diff.body.sbx -side bottom -fill x
3463pack .vpane.lower.diff.body.sby -side right -fill y
3464pack $ui_diff -side left -fill both -expand 1
3465pack .vpane.lower.diff.header -side top -fill x
3466pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3467
3468foreach {n c} {0 black 1 red4 2 green4 3 yellow4 4 blue4 5 magenta4 6 cyan4 7 grey60} {
3469        $ui_diff tag configure clr4$n -background $c
3470        $ui_diff tag configure clri4$n -foreground $c
3471        $ui_diff tag configure clr3$n -foreground $c
3472        $ui_diff tag configure clri3$n -background $c
3473}
3474$ui_diff tag configure clr1 -font font_diffbold
3475$ui_diff tag configure clr4 -underline 1
3476
3477$ui_diff tag conf d_info -foreground blue -font font_diffbold
3478
3479$ui_diff tag conf d_cr -elide true
3480$ui_diff tag conf d_@ -font font_diffbold
3481$ui_diff tag conf d_+ -foreground {#00a000}
3482$ui_diff tag conf d_- -foreground red
3483
3484$ui_diff tag conf d_++ -foreground {#00a000}
3485$ui_diff tag conf d_-- -foreground red
3486$ui_diff tag conf d_+s \
3487        -foreground {#00a000} \
3488        -background {#e2effa}
3489$ui_diff tag conf d_-s \
3490        -foreground red \
3491        -background {#e2effa}
3492$ui_diff tag conf d_s+ \
3493        -foreground {#00a000} \
3494        -background ivory1
3495$ui_diff tag conf d_s- \
3496        -foreground red \
3497        -background ivory1
3498
3499$ui_diff tag conf d< \
3500        -foreground orange \
3501        -font font_diffbold
3502$ui_diff tag conf d= \
3503        -foreground orange \
3504        -font font_diffbold
3505$ui_diff tag conf d> \
3506        -foreground orange \
3507        -font font_diffbold
3508
3509$ui_diff tag raise sel
3510
3511# -- Diff Body Context Menu
3512#
3513
3514proc create_common_diff_popup {ctxm} {
3515        $ctxm add command \
3516                -label [mc Refresh] \
3517                -command reshow_diff
3518        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3519        $ctxm add command \
3520                -label [mc Copy] \
3521                -command {tk_textCopy $ui_diff}
3522        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3523        $ctxm add command \
3524                -label [mc "Select All"] \
3525                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3526        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3527        $ctxm add command \
3528                -label [mc "Copy All"] \
3529                -command {
3530                        $ui_diff tag add sel 0.0 end
3531                        tk_textCopy $ui_diff
3532                        $ui_diff tag remove sel 0.0 end
3533                }
3534        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3535        $ctxm add separator
3536        $ctxm add command \
3537                -label [mc "Decrease Font Size"] \
3538                -command {incr_font_size font_diff -1}
3539        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3540        $ctxm add command \
3541                -label [mc "Increase Font Size"] \
3542                -command {incr_font_size font_diff 1}
3543        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3544        $ctxm add separator
3545        set emenu $ctxm.enc
3546        menu $emenu
3547        build_encoding_menu $emenu [list force_diff_encoding]
3548        $ctxm add cascade \
3549                -label [mc "Encoding"] \
3550                -menu $emenu
3551        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3552        $ctxm add separator
3553        $ctxm add command -label [mc "Options..."] \
3554                -command do_options
3555}
3556
3557set ctxm .vpane.lower.diff.body.ctxm
3558menu $ctxm -tearoff 0
3559$ctxm add command \
3560        -label [mc "Apply/Reverse Hunk"] \
3561        -command {apply_hunk $cursorX $cursorY}
3562set ui_diff_applyhunk [$ctxm index last]
3563lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3564$ctxm add command \
3565        -label [mc "Apply/Reverse Line"] \
3566        -command {apply_range_or_line $cursorX $cursorY; do_rescan}
3567set ui_diff_applyline [$ctxm index last]
3568lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3569$ctxm add separator
3570$ctxm add command \
3571        -label [mc "Show Less Context"] \
3572        -command show_less_context
3573lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3574$ctxm add command \
3575        -label [mc "Show More Context"] \
3576        -command show_more_context
3577lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3578$ctxm add separator
3579create_common_diff_popup $ctxm
3580
3581set ctxmmg .vpane.lower.diff.body.ctxmmg
3582menu $ctxmmg -tearoff 0
3583$ctxmmg add command \
3584        -label [mc "Run Merge Tool"] \
3585        -command {merge_resolve_tool}
3586lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3587$ctxmmg add separator
3588$ctxmmg add command \
3589        -label [mc "Use Remote Version"] \
3590        -command {merge_resolve_one 3}
3591lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3592$ctxmmg add command \
3593        -label [mc "Use Local Version"] \
3594        -command {merge_resolve_one 2}
3595lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3596$ctxmmg add command \
3597        -label [mc "Revert To Base"] \
3598        -command {merge_resolve_one 1}
3599lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3600$ctxmmg add separator
3601$ctxmmg add command \
3602        -label [mc "Show Less Context"] \
3603        -command show_less_context
3604lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3605$ctxmmg add command \
3606        -label [mc "Show More Context"] \
3607        -command show_more_context
3608lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3609$ctxmmg add separator
3610create_common_diff_popup $ctxmmg
3611
3612set ctxmsm .vpane.lower.diff.body.ctxmsm
3613menu $ctxmsm -tearoff 0
3614$ctxmsm add command \
3615        -label [mc "Visualize These Changes In The Submodule"] \
3616        -command {do_gitk -- true}
3617lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3618$ctxmsm add command \
3619        -label [mc "Visualize Current Branch History In The Submodule"] \
3620        -command {do_gitk {} true}
3621lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3622$ctxmsm add command \
3623        -label [mc "Visualize All Branch History In The Submodule"] \
3624        -command {do_gitk --all true}
3625lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3626$ctxmsm add separator
3627$ctxmsm add command \
3628        -label [mc "Start git gui In The Submodule"] \
3629        -command {do_git_gui}
3630lappend diff_actions [list $ctxmsm entryconf [$ctxmsm index last] -state]
3631$ctxmsm add separator
3632create_common_diff_popup $ctxmsm
3633
3634proc has_textconv {path} {
3635        if {[is_config_false gui.textconv]} {
3636                return 0
3637        }
3638        set filter [gitattr $path diff set]
3639        set textconv [get_config [join [list diff $filter textconv] .]]
3640        if {$filter ne {set} && $textconv ne {}} {
3641                return 1
3642        } else {
3643                return 0
3644        }
3645}
3646
3647proc popup_diff_menu {ctxm ctxmmg ctxmsm x y X Y} {
3648        global current_diff_path file_states
3649        set ::cursorX $x
3650        set ::cursorY $y
3651        if {[info exists file_states($current_diff_path)]} {
3652                set state [lindex $file_states($current_diff_path) 0]
3653        } else {
3654                set state {__}
3655        }
3656        if {[string first {U} $state] >= 0} {
3657                tk_popup $ctxmmg $X $Y
3658        } elseif {$::is_submodule_diff} {
3659                tk_popup $ctxmsm $X $Y
3660        } else {
3661                set has_range [expr {[$::ui_diff tag nextrange sel 0.0] != {}}]
3662                if {$::ui_index eq $::current_diff_side} {
3663                        set l [mc "Unstage Hunk From Commit"]
3664                        if {$has_range} {
3665                                set t [mc "Unstage Lines From Commit"]
3666                        } else {
3667                                set t [mc "Unstage Line From Commit"]
3668                        }
3669                } else {
3670                        set l [mc "Stage Hunk For Commit"]
3671                        if {$has_range} {
3672                                set t [mc "Stage Lines For Commit"]
3673                        } else {
3674                                set t [mc "Stage Line For Commit"]
3675                        }
3676                }
3677                if {$::is_3way_diff
3678                        || $current_diff_path eq {}
3679                        || {__} eq $state
3680                        || {_O} eq $state
3681                        || [string match {?T} $state]
3682                        || [string match {T?} $state]
3683                        || [has_textconv $current_diff_path]} {
3684                        set s disabled
3685                } else {
3686                        set s normal
3687                }
3688                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3689                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3690                tk_popup $ctxm $X $Y
3691        }
3692}
3693bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg $ctxmsm %x %y %X %Y]
3694
3695# -- Status Bar
3696#
3697set main_status [::status_bar::new .status]
3698pack .status -anchor w -side bottom -fill x
3699$main_status show [mc "Initializing..."]
3700
3701# -- Load geometry
3702#
3703proc on_ttk_pane_mapped {w pane pos} {
3704        bind $w <Map> {}
3705        after 0 [list after idle [list $w sashpos $pane $pos]]
3706}
3707proc on_tk_pane_mapped {w pane x y} {
3708        bind $w <Map> {}
3709        after 0 [list after idle [list $w sash place $pane $x $y]]
3710}
3711proc on_application_mapped {} {
3712        global repo_config use_ttk
3713        bind . <Map> {}
3714        set gm $repo_config(gui.geometry)
3715        if {$use_ttk} {
3716                bind .vpane <Map> \
3717                    [list on_ttk_pane_mapped %W 0 [lindex $gm 1]]
3718                bind .vpane.files <Map> \
3719                    [list on_ttk_pane_mapped %W 0 [lindex $gm 2]]
3720        } else {
3721                bind .vpane <Map> \
3722                    [list on_tk_pane_mapped %W 0 \
3723                         [lindex $gm 1] \
3724                         [lindex [.vpane sash coord 0] 1]]
3725                bind .vpane.files <Map> \
3726                    [list on_tk_pane_mapped %W 0 \
3727                         [lindex [.vpane.files sash coord 0] 0] \
3728                         [lindex $gm 2]]
3729        }
3730        wm geometry . [lindex $gm 0]
3731}
3732if {[info exists repo_config(gui.geometry)]} {
3733        bind . <Map> [list on_application_mapped]
3734        wm geometry . [lindex $repo_config(gui.geometry) 0]
3735}
3736
3737# -- Load window state
3738#
3739if {[info exists repo_config(gui.wmstate)]} {
3740        catch {wm state . $repo_config(gui.wmstate)}
3741}
3742
3743# -- Key Bindings
3744#
3745bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3746bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3747bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3748bind $ui_comm <$M1B-Key-u> {do_unstage_selection;break}
3749bind $ui_comm <$M1B-Key-U> {do_unstage_selection;break}
3750bind $ui_comm <$M1B-Key-j> {do_revert_selection;break}
3751bind $ui_comm <$M1B-Key-J> {do_revert_selection;break}
3752bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3753bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3754bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3755bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3756bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3757bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3758bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3759bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3760bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3761bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3762bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3763bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3764bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3765bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3766bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3767
3768bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3769bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3770bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3771bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3772bind $ui_diff <$M1B-Key-v> {break}
3773bind $ui_diff <$M1B-Key-V> {break}
3774bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3775bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3776bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
3777bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
3778bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3779bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3780bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3781bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3782bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3783bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3784bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3785bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3786bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3787bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3788bind $ui_diff <Button-1>   {focus %W}
3789
3790if {[is_enabled branch]} {
3791        bind . <$M1B-Key-n> branch_create::dialog
3792        bind . <$M1B-Key-N> branch_create::dialog
3793        bind . <$M1B-Key-o> branch_checkout::dialog
3794        bind . <$M1B-Key-O> branch_checkout::dialog
3795        bind . <$M1B-Key-m> merge::dialog
3796        bind . <$M1B-Key-M> merge::dialog
3797}
3798if {[is_enabled transport]} {
3799        bind . <$M1B-Key-p> do_push_anywhere
3800        bind . <$M1B-Key-P> do_push_anywhere
3801}
3802
3803bind .   <Key-F5>     ui_do_rescan
3804bind .   <$M1B-Key-r> ui_do_rescan
3805bind .   <$M1B-Key-R> ui_do_rescan
3806bind .   <$M1B-Key-s> do_signoff
3807bind .   <$M1B-Key-S> do_signoff
3808bind .   <$M1B-Key-t> do_add_selection
3809bind .   <$M1B-Key-T> do_add_selection
3810bind .   <$M1B-Key-u> do_unstage_selection
3811bind .   <$M1B-Key-U> do_unstage_selection
3812bind .   <$M1B-Key-j> do_revert_selection
3813bind .   <$M1B-Key-J> do_revert_selection
3814bind .   <$M1B-Key-i> do_add_all
3815bind .   <$M1B-Key-I> do_add_all
3816bind .   <$M1B-Key-minus> {show_less_context;break}
3817bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3818bind .   <$M1B-Key-equal> {show_more_context;break}
3819bind .   <$M1B-Key-plus> {show_more_context;break}
3820bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3821bind .   <$M1B-Key-Return> do_commit
3822foreach i [list $ui_index $ui_workdir] {
3823        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3824        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3825        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3826}
3827unset i
3828
3829set file_lists($ui_index) [list]
3830set file_lists($ui_workdir) [list]
3831
3832wm title . "[appname] ([reponame]) [file normalize $_gitworktree]"
3833focus -force $ui_comm
3834
3835# -- Warn the user about environmental problems.  Cygwin's Tcl
3836#    does *not* pass its env array onto any processes it spawns.
3837#    This means that git processes get none of our environment.
3838#
3839if {[is_Cygwin]} {
3840        set ignored_env 0
3841        set suggest_user {}
3842        set msg [mc "Possible environment issues exist.
3843
3844The following environment variables are probably
3845going to be ignored by any Git subprocess run
3846by %s:
3847
3848" [appname]]
3849        foreach name [array names env] {
3850                switch -regexp -- $name {
3851                {^GIT_INDEX_FILE$} -
3852                {^GIT_OBJECT_DIRECTORY$} -
3853                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3854                {^GIT_DIFF_OPTS$} -
3855                {^GIT_EXTERNAL_DIFF$} -
3856                {^GIT_PAGER$} -
3857                {^GIT_TRACE$} -
3858                {^GIT_CONFIG$} -
3859                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3860                        append msg " - $name\n"
3861                        incr ignored_env
3862                }
3863                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3864                        append msg " - $name\n"
3865                        incr ignored_env
3866                        set suggest_user $name
3867                }
3868                }
3869        }
3870        if {$ignored_env > 0} {
3871                append msg [mc "
3872This is due to a known issue with the
3873Tcl binary distributed by Cygwin."]
3874
3875                if {$suggest_user ne {}} {
3876                        append msg [mc "
3877
3878A good replacement for %s
3879is placing values for the user.name and
3880user.email settings into your personal
3881~/.gitconfig file.
3882" $suggest_user]
3883                }
3884                warn_popup $msg
3885        }
3886        unset ignored_env msg suggest_user name
3887}
3888
3889# -- Only initialize complex UI if we are going to stay running.
3890#
3891if {[is_enabled transport]} {
3892        load_all_remotes
3893
3894        set n [.mbar.remote index end]
3895        populate_remotes_menu
3896        set n [expr {[.mbar.remote index end] - $n}]
3897        if {$n > 0} {
3898                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3899                .mbar.remote insert $n separator
3900        }
3901        unset n
3902}
3903
3904if {[winfo exists $ui_comm]} {
3905        set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
3906
3907        # -- If both our backup and message files exist use the
3908        #    newer of the two files to initialize the buffer.
3909        #
3910        if {$GITGUI_BCK_exists} {
3911                set m [gitdir GITGUI_MSG]
3912                if {[file isfile $m]} {
3913                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3914                                catch {file delete [gitdir GITGUI_MSG]}
3915                        } else {
3916                                $ui_comm delete 0.0 end
3917                                $ui_comm edit reset
3918                                $ui_comm edit modified false
3919                                catch {file delete [gitdir GITGUI_BCK]}
3920                                set GITGUI_BCK_exists 0
3921                        }
3922                }
3923                unset m
3924        }
3925
3926        proc backup_commit_buffer {} {
3927                global ui_comm GITGUI_BCK_exists
3928
3929                set m [$ui_comm edit modified]
3930                if {$m || $GITGUI_BCK_exists} {
3931                        set msg [string trim [$ui_comm get 0.0 end]]
3932                        regsub -all -line {[ \r\t]+$} $msg {} msg
3933
3934                        if {$msg eq {}} {
3935                                if {$GITGUI_BCK_exists} {
3936                                        catch {file delete [gitdir GITGUI_BCK]}
3937                                        set GITGUI_BCK_exists 0
3938                                }
3939                        } elseif {$m} {
3940                                catch {
3941                                        set fd [open [gitdir GITGUI_BCK] w]
3942                                        fconfigure $fd -encoding utf-8
3943                                        puts -nonewline $fd $msg
3944                                        close $fd
3945                                        set GITGUI_BCK_exists 1
3946                                }
3947                        }
3948
3949                        $ui_comm edit modified false
3950                }
3951
3952                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3953        }
3954
3955        backup_commit_buffer
3956
3957        # -- If the user has aspell available we can drive it
3958        #    in pipe mode to spellcheck the commit message.
3959        #
3960        set spell_cmd [list |]
3961        set spell_dict [get_config gui.spellingdictionary]
3962        lappend spell_cmd aspell
3963        if {$spell_dict ne {}} {
3964                lappend spell_cmd --master=$spell_dict
3965        }
3966        lappend spell_cmd --mode=none
3967        lappend spell_cmd --encoding=utf-8
3968        lappend spell_cmd pipe
3969        if {$spell_dict eq {none}
3970         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3971                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3972        } else {
3973                set ui_comm_spell [spellcheck::init \
3974                        $spell_fd \
3975                        $ui_comm \
3976                        $ui_comm_ctxm \
3977                ]
3978        }
3979        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3980}
3981
3982lock_index begin-read
3983if {![winfo ismapped .]} {
3984        wm deiconify .
3985}
3986after 1 {
3987        if {[is_enabled initialamend]} {
3988                force_amend
3989        } else {
3990                do_rescan
3991        }
3992
3993        if {[is_enabled nocommitmsg]} {
3994                $ui_comm configure -state disabled -background gray
3995        }
3996}
3997if {[is_enabled multicommit] && ![is_config_false gui.gcwarning]} {
3998        after 1000 hint_gc
3999}
4000if {[is_enabled retcode]} {
4001        bind . <Destroy> {+terminate_me %W}
4002}
4003if {$picked && [is_config_true gui.autoexplore]} {
4004        do_explore
4005}
4006
4007# Local variables:
4008# mode: tcl
4009# indent-tabs-mode: t
4010# tab-width: 4
4011# End: