git-gui / git-gui.shon commit git-svn: dcommit prints out the URL to be committed to (15d5475)
   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 exec wish "$0" -- "$@"
  10
  11set appvers {@@GITGUI_VERSION@@}
  12set copyright {
  13Copyright © 2006, 2007 Shawn Pearce, et. al.
  14
  15This program is free software; you can redistribute it and/or modify
  16it under the terms of the GNU General Public License as published by
  17the Free Software Foundation; either version 2 of the License, or
  18(at your option) any later version.
  19
  20This program is distributed in the hope that it will be useful,
  21but WITHOUT ANY WARRANTY; without even the implied warranty of
  22MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23GNU General Public License for more details.
  24
  25You should have received a copy of the GNU General Public License
  26along with this program; if not, write to the Free Software
  27Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
  28
  29######################################################################
  30##
  31## Tcl/Tk sanity check
  32
  33if {[catch {package require Tcl 8.4} err]
  34 || [catch {package require Tk  8.4} err]
  35} {
  36        catch {wm withdraw .}
  37        tk_messageBox \
  38                -icon error \
  39                -type ok \
  40                -title "git-gui: fatal error" \
  41                -message $err
  42        exit 1
  43}
  44
  45######################################################################
  46##
  47## enable verbose loading?
  48
  49if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  50        unset _verbose
  51        rename auto_load real__auto_load
  52        proc auto_load {name args} {
  53                puts stderr "auto_load $name"
  54                return [uplevel 1 real__auto_load $name $args]
  55        }
  56        rename source real__source
  57        proc source {name} {
  58                puts stderr "source    $name"
  59                uplevel 1 real__source $name
  60        }
  61}
  62
  63######################################################################
  64##
  65## configure our library
  66
  67set oguilib {@@GITGUI_LIBDIR@@}
  68set oguirel {@@GITGUI_RELATIVE@@}
  69if {$oguirel eq {1}} {
  70        set oguilib [file dirname [file dirname [file normalize $argv0]]]
  71        set oguilib [file join $oguilib share git-gui lib]
  72} elseif {[string match @@* $oguirel]} {
  73        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  74}
  75
  76set idx [file join $oguilib tclIndex]
  77if {[catch {set fd [open $idx r]} err]} {
  78        catch {wm withdraw .}
  79        tk_messageBox \
  80                -icon error \
  81                -type ok \
  82                -title "git-gui: fatal error" \
  83                -message $err
  84        exit 1
  85}
  86if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
  87        set idx [list]
  88        while {[gets $fd n] >= 0} {
  89                if {$n ne {} && ![string match #* $n]} {
  90                        lappend idx $n
  91                }
  92        }
  93} else {
  94        set idx {}
  95}
  96close $fd
  97
  98if {$idx ne {}} {
  99        set loaded [list]
 100        foreach p $idx {
 101                if {[lsearch -exact $loaded $p] >= 0} continue
 102                source [file join $oguilib $p]
 103                lappend loaded $p
 104        }
 105        unset loaded p
 106} else {
 107        set auto_path [concat [list $oguilib] $auto_path]
 108}
 109unset -nocomplain oguirel idx fd
 110
 111######################################################################
 112##
 113## read only globals
 114
 115set _appname [lindex [file split $argv0] end]
 116set _gitdir {}
 117set _gitexec {}
 118set _reponame {}
 119set _iscygwin {}
 120set _search_path {}
 121
 122proc appname {} {
 123        global _appname
 124        return $_appname
 125}
 126
 127proc gitdir {args} {
 128        global _gitdir
 129        if {$args eq {}} {
 130                return $_gitdir
 131        }
 132        return [eval [list file join $_gitdir] $args]
 133}
 134
 135proc gitexec {args} {
 136        global _gitexec
 137        if {$_gitexec eq {}} {
 138                if {[catch {set _gitexec [git --exec-path]} err]} {
 139                        error "Git not installed?\n\n$err"
 140                }
 141                if {[is_Cygwin]} {
 142                        set _gitexec [exec cygpath \
 143                                --windows \
 144                                --absolute \
 145                                $_gitexec]
 146                } else {
 147                        set _gitexec [file normalize $_gitexec]
 148                }
 149        }
 150        if {$args eq {}} {
 151                return $_gitexec
 152        }
 153        return [eval [list file join $_gitexec] $args]
 154}
 155
 156proc reponame {} {
 157        return $::_reponame
 158}
 159
 160proc is_MacOSX {} {
 161        if {[tk windowingsystem] eq {aqua}} {
 162                return 1
 163        }
 164        return 0
 165}
 166
 167proc is_Windows {} {
 168        if {$::tcl_platform(platform) eq {windows}} {
 169                return 1
 170        }
 171        return 0
 172}
 173
 174proc is_Cygwin {} {
 175        global _iscygwin
 176        if {$_iscygwin eq {}} {
 177                if {$::tcl_platform(platform) eq {windows}} {
 178                        if {[catch {set p [exec cygpath --windir]} err]} {
 179                                set _iscygwin 0
 180                        } else {
 181                                set _iscygwin 1
 182                        }
 183                } else {
 184                        set _iscygwin 0
 185                }
 186        }
 187        return $_iscygwin
 188}
 189
 190proc is_enabled {option} {
 191        global enabled_options
 192        if {[catch {set on $enabled_options($option)}]} {return 0}
 193        return $on
 194}
 195
 196proc enable_option {option} {
 197        global enabled_options
 198        set enabled_options($option) 1
 199}
 200
 201proc disable_option {option} {
 202        global enabled_options
 203        set enabled_options($option) 0
 204}
 205
 206######################################################################
 207##
 208## config
 209
 210proc is_many_config {name} {
 211        switch -glob -- $name {
 212        remote.*.fetch -
 213        remote.*.push
 214                {return 1}
 215        *
 216                {return 0}
 217        }
 218}
 219
 220proc is_config_true {name} {
 221        global repo_config
 222        if {[catch {set v $repo_config($name)}]} {
 223                return 0
 224        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 225                return 1
 226        } else {
 227                return 0
 228        }
 229}
 230
 231proc get_config {name} {
 232        global repo_config
 233        if {[catch {set v $repo_config($name)}]} {
 234                return {}
 235        } else {
 236                return $v
 237        }
 238}
 239
 240proc load_config {include_global} {
 241        global repo_config global_config default_config
 242
 243        array unset global_config
 244        if {$include_global} {
 245                catch {
 246                        set fd_rc [git_read config --global --list]
 247                        while {[gets $fd_rc line] >= 0} {
 248                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 249                                        if {[is_many_config $name]} {
 250                                                lappend global_config($name) $value
 251                                        } else {
 252                                                set global_config($name) $value
 253                                        }
 254                                }
 255                        }
 256                        close $fd_rc
 257                }
 258        }
 259
 260        array unset repo_config
 261        catch {
 262                set fd_rc [git_read config --list]
 263                while {[gets $fd_rc line] >= 0} {
 264                        if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 265                                if {[is_many_config $name]} {
 266                                        lappend repo_config($name) $value
 267                                } else {
 268                                        set repo_config($name) $value
 269                                }
 270                        }
 271                }
 272                close $fd_rc
 273        }
 274
 275        foreach name [array names default_config] {
 276                if {[catch {set v $global_config($name)}]} {
 277                        set global_config($name) $default_config($name)
 278                }
 279                if {[catch {set v $repo_config($name)}]} {
 280                        set repo_config($name) $default_config($name)
 281                }
 282        }
 283}
 284
 285######################################################################
 286##
 287## handy utils
 288
 289proc _git_cmd {name} {
 290        global _git_cmd_path
 291
 292        if {[catch {set v $_git_cmd_path($name)}]} {
 293                switch -- $name {
 294                  version   -
 295                --version   -
 296                --exec-path { return [list $::_git $name] }
 297                }
 298
 299                set p [gitexec git-$name$::_search_exe]
 300                if {[file exists $p]} {
 301                        set v [list $p]
 302                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 303                        # Try to determine what sort of magic will make
 304                        # git-$name go and do its thing, because native
 305                        # Tcl on Windows doesn't know it.
 306                        #
 307                        set p [gitexec git-$name]
 308                        set f [open $p r]
 309                        set s [gets $f]
 310                        close $f
 311
 312                        switch -glob -- $s {
 313                        #!*sh     { set i sh     }
 314                        #!*perl   { set i perl   }
 315                        #!*python { set i python }
 316                        default   { error "git-$name is not supported: $s" }
 317                        }
 318
 319                        upvar #0 _$i interp
 320                        if {![info exists interp]} {
 321                                set interp [_which $i]
 322                        }
 323                        if {$interp eq {}} {
 324                                error "git-$name requires $i (not in PATH)"
 325                        }
 326                        set v [list $interp $p]
 327                } else {
 328                        # Assume it is builtin to git somehow and we
 329                        # aren't actually able to see a file for it.
 330                        #
 331                        set v [list $::_git $name]
 332                }
 333                set _git_cmd_path($name) $v
 334        }
 335        return $v
 336}
 337
 338proc _which {what} {
 339        global env _search_exe _search_path
 340
 341        if {$_search_path eq {}} {
 342                if {[is_Cygwin]} {
 343                        set _search_path [split [exec cygpath \
 344                                --windows \
 345                                --path \
 346                                --absolute \
 347                                $env(PATH)] {;}]
 348                        set _search_exe .exe
 349                } elseif {[is_Windows]} {
 350                        set _search_path [split $env(PATH) {;}]
 351                        set _search_exe .exe
 352                } else {
 353                        set _search_path [split $env(PATH) :]
 354                        set _search_exe {}
 355                }
 356        }
 357
 358        foreach p $_search_path {
 359                set p [file join $p $what$_search_exe]
 360                if {[file exists $p]} {
 361                        return [file normalize $p]
 362                }
 363        }
 364        return {}
 365}
 366
 367proc _lappend_nice {cmd_var} {
 368        global _nice
 369        upvar $cmd_var cmd
 370
 371        if {![info exists _nice]} {
 372                set _nice [_which nice]
 373        }
 374        if {$_nice ne {}} {
 375                lappend cmd $_nice
 376        }
 377}
 378
 379proc git {args} {
 380        set opt [list exec]
 381
 382        while {1} {
 383                switch -- [lindex $args 0] {
 384                --nice {
 385                        _lappend_nice opt
 386                }
 387
 388                default {
 389                        break
 390                }
 391
 392                }
 393
 394                set args [lrange $args 1 end]
 395        }
 396
 397        set cmdp [_git_cmd [lindex $args 0]]
 398        set args [lrange $args 1 end]
 399
 400        return [eval $opt $cmdp $args]
 401}
 402
 403proc _open_stdout_stderr {cmd} {
 404        if {[catch {
 405                        set fd [open $cmd r]
 406                } err]} {
 407                if {   [lindex $cmd end] eq {2>@1}
 408                    && $err eq {can not find channel named "1"}
 409                        } {
 410                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 411                        # redirect operator.  Fallback to |& cat for those.
 412                        # The command was not actually started, so its safe
 413                        # to try to start it a second time.
 414                        #
 415                        set fd [open [concat \
 416                                [lrange $cmd 0 end-1] \
 417                                [list |& cat] \
 418                                ] r]
 419                } else {
 420                        error $err
 421                }
 422        }
 423        fconfigure $fd -eofchar {}
 424        return $fd
 425}
 426
 427proc git_read {args} {
 428        set opt [list |]
 429
 430        while {1} {
 431                switch -- [lindex $args 0] {
 432                --nice {
 433                        _lappend_nice opt
 434                }
 435
 436                --stderr {
 437                        lappend args 2>@1
 438                }
 439
 440                default {
 441                        break
 442                }
 443
 444                }
 445
 446                set args [lrange $args 1 end]
 447        }
 448
 449        set cmdp [_git_cmd [lindex $args 0]]
 450        set args [lrange $args 1 end]
 451
 452        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 453}
 454
 455proc git_write {args} {
 456        set opt [list |]
 457
 458        while {1} {
 459                switch -- [lindex $args 0] {
 460                --nice {
 461                        _lappend_nice opt
 462                }
 463
 464                default {
 465                        break
 466                }
 467
 468                }
 469
 470                set args [lrange $args 1 end]
 471        }
 472
 473        set cmdp [_git_cmd [lindex $args 0]]
 474        set args [lrange $args 1 end]
 475
 476        return [open [concat $opt $cmdp $args] w]
 477}
 478
 479proc sq {value} {
 480        regsub -all ' $value "'\\''" value
 481        return "'$value'"
 482}
 483
 484proc load_current_branch {} {
 485        global current_branch is_detached
 486
 487        set fd [open [gitdir HEAD] r]
 488        if {[gets $fd ref] < 1} {
 489                set ref {}
 490        }
 491        close $fd
 492
 493        set pfx {ref: refs/heads/}
 494        set len [string length $pfx]
 495        if {[string equal -length $len $pfx $ref]} {
 496                # We're on a branch.  It might not exist.  But
 497                # HEAD looks good enough to be a branch.
 498                #
 499                set current_branch [string range $ref $len end]
 500                set is_detached 0
 501        } else {
 502                # Assume this is a detached head.
 503                #
 504                set current_branch HEAD
 505                set is_detached 1
 506        }
 507}
 508
 509auto_load tk_optionMenu
 510rename tk_optionMenu real__tkOptionMenu
 511proc tk_optionMenu {w varName args} {
 512        set m [eval real__tkOptionMenu $w $varName $args]
 513        $m configure -font font_ui
 514        $w configure -font font_ui
 515        return $m
 516}
 517
 518######################################################################
 519##
 520## find git
 521
 522set _git  [_which git]
 523if {$_git eq {}} {
 524        catch {wm withdraw .}
 525        error_popup "Cannot find git in PATH."
 526        exit 1
 527}
 528
 529######################################################################
 530##
 531## version check
 532
 533if {[catch {set _git_version [git --version]} err]} {
 534        catch {wm withdraw .}
 535        error_popup "Cannot determine Git version:
 536
 537$err
 538
 539[appname] requires Git 1.5.0 or later."
 540        exit 1
 541}
 542if {![regsub {^git version } $_git_version {} _git_version]} {
 543        catch {wm withdraw .}
 544        error_popup "Cannot parse Git version string:\n\n$_git_version"
 545        exit 1
 546}
 547
 548set _real_git_version $_git_version
 549regsub -- {-dirty$} $_git_version {} _git_version
 550regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 551regsub {\.rc[0-9]+$} $_git_version {} _git_version
 552regsub {\.GIT$} $_git_version {} _git_version
 553
 554if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 555        catch {wm withdraw .}
 556        if {[tk_messageBox \
 557                -icon warning \
 558                -type yesno \
 559                -default no \
 560                -title "[appname]: warning" \
 561                -message "Git version cannot be determined.
 562
 563$_git claims it is version '$_real_git_version'.
 564
 565[appname] requires at least Git 1.5.0 or later.
 566
 567Assume '$_real_git_version' is version 1.5.0?
 568"] eq {yes}} {
 569                set _git_version 1.5.0
 570        } else {
 571                exit 1
 572        }
 573}
 574unset _real_git_version
 575
 576proc git-version {args} {
 577        global _git_version
 578
 579        switch [llength $args] {
 580        0 {
 581                return $_git_version
 582        }
 583
 584        2 {
 585                set op [lindex $args 0]
 586                set vr [lindex $args 1]
 587                set cm [package vcompare $_git_version $vr]
 588                return [expr $cm $op 0]
 589        }
 590
 591        4 {
 592                set type [lindex $args 0]
 593                set name [lindex $args 1]
 594                set parm [lindex $args 2]
 595                set body [lindex $args 3]
 596
 597                if {($type ne {proc} && $type ne {method})} {
 598                        error "Invalid arguments to git-version"
 599                }
 600                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 601                        error "Last arm of $type $name must be default"
 602                }
 603
 604                foreach {op vr cb} [lrange $body 0 end-2] {
 605                        if {[git-version $op $vr]} {
 606                                return [uplevel [list $type $name $parm $cb]]
 607                        }
 608                }
 609
 610                return [uplevel [list $type $name $parm [lindex $body end]]]
 611        }
 612
 613        default {
 614                error "git-version >= x"
 615        }
 616
 617        }
 618}
 619
 620if {[git-version < 1.5]} {
 621        catch {wm withdraw .}
 622        error_popup "[appname] requires Git 1.5.0 or later.
 623
 624You are using [git-version]:
 625
 626[git --version]"
 627        exit 1
 628}
 629
 630######################################################################
 631##
 632## feature option selection
 633
 634if {[regexp {^git-(.+)$} [appname] _junk subcommand]} {
 635        unset _junk
 636} else {
 637        set subcommand gui
 638}
 639if {$subcommand eq {gui.sh}} {
 640        set subcommand gui
 641}
 642if {$subcommand eq {gui} && [llength $argv] > 0} {
 643        set subcommand [lindex $argv 0]
 644        set argv [lrange $argv 1 end]
 645}
 646
 647enable_option multicommit
 648enable_option branch
 649enable_option transport
 650disable_option bare
 651
 652switch -- $subcommand {
 653browser -
 654blame {
 655        enable_option bare
 656
 657        disable_option multicommit
 658        disable_option branch
 659        disable_option transport
 660}
 661citool {
 662        enable_option singlecommit
 663
 664        disable_option multicommit
 665        disable_option branch
 666        disable_option transport
 667}
 668}
 669
 670######################################################################
 671##
 672## repository setup
 673
 674if {[catch {
 675                set _gitdir $env(GIT_DIR)
 676                set _prefix {}
 677                }]
 678        && [catch {
 679                set _gitdir [git rev-parse --git-dir]
 680                set _prefix [git rev-parse --show-prefix]
 681        } err]} {
 682        catch {wm withdraw .}
 683        error_popup "Cannot find the git directory:\n\n$err"
 684        exit 1
 685}
 686if {![file isdirectory $_gitdir] && [is_Cygwin]} {
 687        catch {set _gitdir [exec cygpath --unix $_gitdir]}
 688}
 689if {![file isdirectory $_gitdir]} {
 690        catch {wm withdraw .}
 691        error_popup "Git directory not found:\n\n$_gitdir"
 692        exit 1
 693}
 694if {![is_enabled bare]} {
 695        if {[lindex [file split $_gitdir] end] ne {.git}} {
 696                catch {wm withdraw .}
 697                error_popup "Cannot use funny .git directory:\n\n$_gitdir"
 698                exit 1
 699        }
 700        if {[catch {cd [file dirname $_gitdir]} err]} {
 701                catch {wm withdraw .}
 702                error_popup "No working directory [file dirname $_gitdir]:\n\n$err"
 703                exit 1
 704        }
 705}
 706set _reponame [file split [file normalize $_gitdir]]
 707if {[lindex $_reponame end] eq {.git}} {
 708        set _reponame [lindex $_reponame end-1]
 709} else {
 710        set _reponame [lindex $_reponame end]
 711}
 712
 713######################################################################
 714##
 715## global init
 716
 717set current_diff_path {}
 718set current_diff_side {}
 719set diff_actions [list]
 720
 721set HEAD {}
 722set PARENT {}
 723set MERGE_HEAD [list]
 724set commit_type {}
 725set empty_tree {}
 726set current_branch {}
 727set is_detached 0
 728set current_diff_path {}
 729set selected_commit_type new
 730
 731######################################################################
 732##
 733## task management
 734
 735set rescan_active 0
 736set diff_active 0
 737set last_clicked {}
 738
 739set disable_on_lock [list]
 740set index_lock_type none
 741
 742proc lock_index {type} {
 743        global index_lock_type disable_on_lock
 744
 745        if {$index_lock_type eq {none}} {
 746                set index_lock_type $type
 747                foreach w $disable_on_lock {
 748                        uplevel #0 $w disabled
 749                }
 750                return 1
 751        } elseif {$index_lock_type eq "begin-$type"} {
 752                set index_lock_type $type
 753                return 1
 754        }
 755        return 0
 756}
 757
 758proc unlock_index {} {
 759        global index_lock_type disable_on_lock
 760
 761        set index_lock_type none
 762        foreach w $disable_on_lock {
 763                uplevel #0 $w normal
 764        }
 765}
 766
 767######################################################################
 768##
 769## status
 770
 771proc repository_state {ctvar hdvar mhvar} {
 772        global current_branch
 773        upvar $ctvar ct $hdvar hd $mhvar mh
 774
 775        set mh [list]
 776
 777        load_current_branch
 778        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
 779                set hd {}
 780                set ct initial
 781                return
 782        }
 783
 784        set merge_head [gitdir MERGE_HEAD]
 785        if {[file exists $merge_head]} {
 786                set ct merge
 787                set fd_mh [open $merge_head r]
 788                while {[gets $fd_mh line] >= 0} {
 789                        lappend mh $line
 790                }
 791                close $fd_mh
 792                return
 793        }
 794
 795        set ct normal
 796}
 797
 798proc PARENT {} {
 799        global PARENT empty_tree
 800
 801        set p [lindex $PARENT 0]
 802        if {$p ne {}} {
 803                return $p
 804        }
 805        if {$empty_tree eq {}} {
 806                set empty_tree [git mktree << {}]
 807        }
 808        return $empty_tree
 809}
 810
 811proc rescan {after {honor_trustmtime 1}} {
 812        global HEAD PARENT MERGE_HEAD commit_type
 813        global ui_index ui_workdir ui_comm
 814        global rescan_active file_states
 815        global repo_config
 816
 817        if {$rescan_active > 0 || ![lock_index read]} return
 818
 819        repository_state newType newHEAD newMERGE_HEAD
 820        if {[string match amend* $commit_type]
 821                && $newType eq {normal}
 822                && $newHEAD eq $HEAD} {
 823        } else {
 824                set HEAD $newHEAD
 825                set PARENT $newHEAD
 826                set MERGE_HEAD $newMERGE_HEAD
 827                set commit_type $newType
 828        }
 829
 830        array unset file_states
 831
 832        if {!$::GITGUI_BCK_exists &&
 833                (![$ui_comm edit modified]
 834                || [string trim [$ui_comm get 0.0 end]] eq {})} {
 835                if {[string match amend* $commit_type]} {
 836                } elseif {[load_message GITGUI_MSG]} {
 837                } elseif {[load_message MERGE_MSG]} {
 838                } elseif {[load_message SQUASH_MSG]} {
 839                }
 840                $ui_comm edit reset
 841                $ui_comm edit modified false
 842        }
 843
 844        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
 845                rescan_stage2 {} $after
 846        } else {
 847                set rescan_active 1
 848                ui_status {Refreshing file status...}
 849                set fd_rf [git_read update-index \
 850                        -q \
 851                        --unmerged \
 852                        --ignore-missing \
 853                        --refresh \
 854                        ]
 855                fconfigure $fd_rf -blocking 0 -translation binary
 856                fileevent $fd_rf readable \
 857                        [list rescan_stage2 $fd_rf $after]
 858        }
 859}
 860
 861proc rescan_stage2 {fd after} {
 862        global rescan_active buf_rdi buf_rdf buf_rlo
 863
 864        if {$fd ne {}} {
 865                read $fd
 866                if {![eof $fd]} return
 867                close $fd
 868        }
 869
 870        set ls_others [list --exclude-per-directory=.gitignore]
 871        set info_exclude [gitdir info exclude]
 872        if {[file readable $info_exclude]} {
 873                lappend ls_others "--exclude-from=$info_exclude"
 874        }
 875        set user_exclude [get_config core.excludesfile]
 876        if {$user_exclude ne {} && [file readable $user_exclude]} {
 877                lappend ls_others "--exclude-from=$user_exclude"
 878        }
 879
 880        set buf_rdi {}
 881        set buf_rdf {}
 882        set buf_rlo {}
 883
 884        set rescan_active 3
 885        ui_status {Scanning for modified files ...}
 886        set fd_di [git_read diff-index --cached -z [PARENT]]
 887        set fd_df [git_read diff-files -z]
 888        set fd_lo [eval git_read ls-files --others -z $ls_others]
 889
 890        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
 891        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
 892        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
 893        fileevent $fd_di readable [list read_diff_index $fd_di $after]
 894        fileevent $fd_df readable [list read_diff_files $fd_df $after]
 895        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 896}
 897
 898proc load_message {file} {
 899        global ui_comm
 900
 901        set f [gitdir $file]
 902        if {[file isfile $f]} {
 903                if {[catch {set fd [open $f r]}]} {
 904                        return 0
 905                }
 906                fconfigure $fd -eofchar {}
 907                set content [string trim [read $fd]]
 908                close $fd
 909                regsub -all -line {[ \r\t]+$} $content {} content
 910                $ui_comm delete 0.0 end
 911                $ui_comm insert end $content
 912                return 1
 913        }
 914        return 0
 915}
 916
 917proc read_diff_index {fd after} {
 918        global buf_rdi
 919
 920        append buf_rdi [read $fd]
 921        set c 0
 922        set n [string length $buf_rdi]
 923        while {$c < $n} {
 924                set z1 [string first "\0" $buf_rdi $c]
 925                if {$z1 == -1} break
 926                incr z1
 927                set z2 [string first "\0" $buf_rdi $z1]
 928                if {$z2 == -1} break
 929
 930                incr c
 931                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
 932                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
 933                merge_state \
 934                        [encoding convertfrom $p] \
 935                        [lindex $i 4]? \
 936                        [list [lindex $i 0] [lindex $i 2]] \
 937                        [list]
 938                set c $z2
 939                incr c
 940        }
 941        if {$c < $n} {
 942                set buf_rdi [string range $buf_rdi $c end]
 943        } else {
 944                set buf_rdi {}
 945        }
 946
 947        rescan_done $fd buf_rdi $after
 948}
 949
 950proc read_diff_files {fd after} {
 951        global buf_rdf
 952
 953        append buf_rdf [read $fd]
 954        set c 0
 955        set n [string length $buf_rdf]
 956        while {$c < $n} {
 957                set z1 [string first "\0" $buf_rdf $c]
 958                if {$z1 == -1} break
 959                incr z1
 960                set z2 [string first "\0" $buf_rdf $z1]
 961                if {$z2 == -1} break
 962
 963                incr c
 964                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
 965                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
 966                merge_state \
 967                        [encoding convertfrom $p] \
 968                        ?[lindex $i 4] \
 969                        [list] \
 970                        [list [lindex $i 0] [lindex $i 2]]
 971                set c $z2
 972                incr c
 973        }
 974        if {$c < $n} {
 975                set buf_rdf [string range $buf_rdf $c end]
 976        } else {
 977                set buf_rdf {}
 978        }
 979
 980        rescan_done $fd buf_rdf $after
 981}
 982
 983proc read_ls_others {fd after} {
 984        global buf_rlo
 985
 986        append buf_rlo [read $fd]
 987        set pck [split $buf_rlo "\0"]
 988        set buf_rlo [lindex $pck end]
 989        foreach p [lrange $pck 0 end-1] {
 990                merge_state [encoding convertfrom $p] ?O
 991        }
 992        rescan_done $fd buf_rlo $after
 993}
 994
 995proc rescan_done {fd buf after} {
 996        global rescan_active current_diff_path
 997        global file_states repo_config
 998        upvar $buf to_clear
 999
1000        if {![eof $fd]} return
1001        set to_clear {}
1002        close $fd
1003        if {[incr rescan_active -1] > 0} return
1004
1005        prune_selection
1006        unlock_index
1007        display_all_files
1008        if {$current_diff_path ne {}} reshow_diff
1009        uplevel #0 $after
1010}
1011
1012proc prune_selection {} {
1013        global file_states selected_paths
1014
1015        foreach path [array names selected_paths] {
1016                if {[catch {set still_here $file_states($path)}]} {
1017                        unset selected_paths($path)
1018                }
1019        }
1020}
1021
1022######################################################################
1023##
1024## ui helpers
1025
1026proc mapicon {w state path} {
1027        global all_icons
1028
1029        if {[catch {set r $all_icons($state$w)}]} {
1030                puts "error: no icon for $w state={$state} $path"
1031                return file_plain
1032        }
1033        return $r
1034}
1035
1036proc mapdesc {state path} {
1037        global all_descs
1038
1039        if {[catch {set r $all_descs($state)}]} {
1040                puts "error: no desc for state={$state} $path"
1041                return $state
1042        }
1043        return $r
1044}
1045
1046proc ui_status {msg} {
1047        $::main_status show $msg
1048}
1049
1050proc ui_ready {{test {}}} {
1051        $::main_status show {Ready.} $test
1052}
1053
1054proc escape_path {path} {
1055        regsub -all {\\} $path "\\\\" path
1056        regsub -all "\n" $path "\\n" path
1057        return $path
1058}
1059
1060proc short_path {path} {
1061        return [escape_path [lindex [file split $path] end]]
1062}
1063
1064set next_icon_id 0
1065set null_sha1 [string repeat 0 40]
1066
1067proc merge_state {path new_state {head_info {}} {index_info {}}} {
1068        global file_states next_icon_id null_sha1
1069
1070        set s0 [string index $new_state 0]
1071        set s1 [string index $new_state 1]
1072
1073        if {[catch {set info $file_states($path)}]} {
1074                set state __
1075                set icon n[incr next_icon_id]
1076        } else {
1077                set state [lindex $info 0]
1078                set icon [lindex $info 1]
1079                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1080                if {$index_info eq {}} {set index_info [lindex $info 3]}
1081        }
1082
1083        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1084        elseif {$s0 eq {_}} {set s0 _}
1085
1086        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1087        elseif {$s1 eq {_}} {set s1 _}
1088
1089        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1090                set head_info [list 0 $null_sha1]
1091        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1092                && $head_info eq {}} {
1093                set head_info $index_info
1094        }
1095
1096        set file_states($path) [list $s0$s1 $icon \
1097                $head_info $index_info \
1098                ]
1099        return $state
1100}
1101
1102proc display_file_helper {w path icon_name old_m new_m} {
1103        global file_lists
1104
1105        if {$new_m eq {_}} {
1106                set lno [lsearch -sorted -exact $file_lists($w) $path]
1107                if {$lno >= 0} {
1108                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1109                        incr lno
1110                        $w conf -state normal
1111                        $w delete $lno.0 [expr {$lno + 1}].0
1112                        $w conf -state disabled
1113                }
1114        } elseif {$old_m eq {_} && $new_m ne {_}} {
1115                lappend file_lists($w) $path
1116                set file_lists($w) [lsort -unique $file_lists($w)]
1117                set lno [lsearch -sorted -exact $file_lists($w) $path]
1118                incr lno
1119                $w conf -state normal
1120                $w image create $lno.0 \
1121                        -align center -padx 5 -pady 1 \
1122                        -name $icon_name \
1123                        -image [mapicon $w $new_m $path]
1124                $w insert $lno.1 "[escape_path $path]\n"
1125                $w conf -state disabled
1126        } elseif {$old_m ne $new_m} {
1127                $w conf -state normal
1128                $w image conf $icon_name -image [mapicon $w $new_m $path]
1129                $w conf -state disabled
1130        }
1131}
1132
1133proc display_file {path state} {
1134        global file_states selected_paths
1135        global ui_index ui_workdir
1136
1137        set old_m [merge_state $path $state]
1138        set s $file_states($path)
1139        set new_m [lindex $s 0]
1140        set icon_name [lindex $s 1]
1141
1142        set o [string index $old_m 0]
1143        set n [string index $new_m 0]
1144        if {$o eq {U}} {
1145                set o _
1146        }
1147        if {$n eq {U}} {
1148                set n _
1149        }
1150        display_file_helper     $ui_index $path $icon_name $o $n
1151
1152        if {[string index $old_m 0] eq {U}} {
1153                set o U
1154        } else {
1155                set o [string index $old_m 1]
1156        }
1157        if {[string index $new_m 0] eq {U}} {
1158                set n U
1159        } else {
1160                set n [string index $new_m 1]
1161        }
1162        display_file_helper     $ui_workdir $path $icon_name $o $n
1163
1164        if {$new_m eq {__}} {
1165                unset file_states($path)
1166                catch {unset selected_paths($path)}
1167        }
1168}
1169
1170proc display_all_files_helper {w path icon_name m} {
1171        global file_lists
1172
1173        lappend file_lists($w) $path
1174        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1175        $w image create end \
1176                -align center -padx 5 -pady 1 \
1177                -name $icon_name \
1178                -image [mapicon $w $m $path]
1179        $w insert end "[escape_path $path]\n"
1180}
1181
1182proc display_all_files {} {
1183        global ui_index ui_workdir
1184        global file_states file_lists
1185        global last_clicked
1186
1187        $ui_index conf -state normal
1188        $ui_workdir conf -state normal
1189
1190        $ui_index delete 0.0 end
1191        $ui_workdir delete 0.0 end
1192        set last_clicked {}
1193
1194        set file_lists($ui_index) [list]
1195        set file_lists($ui_workdir) [list]
1196
1197        foreach path [lsort [array names file_states]] {
1198                set s $file_states($path)
1199                set m [lindex $s 0]
1200                set icon_name [lindex $s 1]
1201
1202                set s [string index $m 0]
1203                if {$s ne {U} && $s ne {_}} {
1204                        display_all_files_helper $ui_index $path \
1205                                $icon_name $s
1206                }
1207
1208                if {[string index $m 0] eq {U}} {
1209                        set s U
1210                } else {
1211                        set s [string index $m 1]
1212                }
1213                if {$s ne {_}} {
1214                        display_all_files_helper $ui_workdir $path \
1215                                $icon_name $s
1216                }
1217        }
1218
1219        $ui_index conf -state disabled
1220        $ui_workdir conf -state disabled
1221}
1222
1223######################################################################
1224##
1225## icons
1226
1227set filemask {
1228#define mask_width 14
1229#define mask_height 15
1230static unsigned char mask_bits[] = {
1231   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1232   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1233   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1234}
1235
1236image create bitmap file_plain -background white -foreground black -data {
1237#define plain_width 14
1238#define plain_height 15
1239static unsigned char plain_bits[] = {
1240   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1241   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1242   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1243} -maskdata $filemask
1244
1245image create bitmap file_mod -background white -foreground blue -data {
1246#define mod_width 14
1247#define mod_height 15
1248static unsigned char mod_bits[] = {
1249   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1250   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1251   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1252} -maskdata $filemask
1253
1254image create bitmap file_fulltick -background white -foreground "#007000" -data {
1255#define file_fulltick_width 14
1256#define file_fulltick_height 15
1257static unsigned char file_fulltick_bits[] = {
1258   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1259   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1260   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1261} -maskdata $filemask
1262
1263image create bitmap file_parttick -background white -foreground "#005050" -data {
1264#define parttick_width 14
1265#define parttick_height 15
1266static unsigned char parttick_bits[] = {
1267   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1268   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1269   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1270} -maskdata $filemask
1271
1272image create bitmap file_question -background white -foreground black -data {
1273#define file_question_width 14
1274#define file_question_height 15
1275static unsigned char file_question_bits[] = {
1276   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1277   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1278   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1279} -maskdata $filemask
1280
1281image create bitmap file_removed -background white -foreground red -data {
1282#define file_removed_width 14
1283#define file_removed_height 15
1284static unsigned char file_removed_bits[] = {
1285   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1286   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1287   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1288} -maskdata $filemask
1289
1290image create bitmap file_merge -background white -foreground blue -data {
1291#define file_merge_width 14
1292#define file_merge_height 15
1293static unsigned char file_merge_bits[] = {
1294   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1295   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1296   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1297} -maskdata $filemask
1298
1299set ui_index .vpane.files.index.list
1300set ui_workdir .vpane.files.workdir.list
1301
1302set all_icons(_$ui_index)   file_plain
1303set all_icons(A$ui_index)   file_fulltick
1304set all_icons(M$ui_index)   file_fulltick
1305set all_icons(D$ui_index)   file_removed
1306set all_icons(U$ui_index)   file_merge
1307
1308set all_icons(_$ui_workdir) file_plain
1309set all_icons(M$ui_workdir) file_mod
1310set all_icons(D$ui_workdir) file_question
1311set all_icons(U$ui_workdir) file_merge
1312set all_icons(O$ui_workdir) file_plain
1313
1314set max_status_desc 0
1315foreach i {
1316                {__ "Unmodified"}
1317
1318                {_M "Modified, not staged"}
1319                {M_ "Staged for commit"}
1320                {MM "Portions staged for commit"}
1321                {MD "Staged for commit, missing"}
1322
1323                {_O "Untracked, not staged"}
1324                {A_ "Staged for commit"}
1325                {AM "Portions staged for commit"}
1326                {AD "Staged for commit, missing"}
1327
1328                {_D "Missing"}
1329                {D_ "Staged for removal"}
1330                {DO "Staged for removal, still present"}
1331
1332                {U_ "Requires merge resolution"}
1333                {UU "Requires merge resolution"}
1334                {UM "Requires merge resolution"}
1335                {UD "Requires merge resolution"}
1336        } {
1337        if {$max_status_desc < [string length [lindex $i 1]]} {
1338                set max_status_desc [string length [lindex $i 1]]
1339        }
1340        set all_descs([lindex $i 0]) [lindex $i 1]
1341}
1342unset i
1343
1344######################################################################
1345##
1346## util
1347
1348proc bind_button3 {w cmd} {
1349        bind $w <Any-Button-3> $cmd
1350        if {[is_MacOSX]} {
1351                # Mac OS X sends Button-2 on right click through three-button mouse,
1352                # or through trackpad right-clicking (two-finger touch + click).
1353                bind $w <Any-Button-2> $cmd
1354                bind $w <Control-Button-1> $cmd
1355        }
1356}
1357
1358proc scrollbar2many {list mode args} {
1359        foreach w $list {eval $w $mode $args}
1360}
1361
1362proc many2scrollbar {list mode sb top bottom} {
1363        $sb set $top $bottom
1364        foreach w $list {$w $mode moveto $top}
1365}
1366
1367proc incr_font_size {font {amt 1}} {
1368        set sz [font configure $font -size]
1369        incr sz $amt
1370        font configure $font -size $sz
1371        font configure ${font}bold -size $sz
1372        font configure ${font}italic -size $sz
1373}
1374
1375######################################################################
1376##
1377## ui commands
1378
1379set starting_gitk_msg {Starting gitk... please wait...}
1380
1381proc do_gitk {revs} {
1382        # -- Always start gitk through whatever we were loaded with.  This
1383        #    lets us bypass using shell process on Windows systems.
1384        #
1385        set exe [file join [file dirname $::_git] gitk]
1386        set cmd [list [info nameofexecutable] $exe]
1387        if {! [file exists $exe]} {
1388                error_popup "Unable to start gitk:\n\n$exe does not exist"
1389        } else {
1390                eval exec $cmd $revs &
1391                ui_status $::starting_gitk_msg
1392                after 10000 {
1393                        ui_ready $starting_gitk_msg
1394                }
1395        }
1396}
1397
1398set is_quitting 0
1399
1400proc do_quit {} {
1401        global ui_comm is_quitting repo_config commit_type
1402        global GITGUI_BCK_exists GITGUI_BCK_i
1403
1404        if {$is_quitting} return
1405        set is_quitting 1
1406
1407        if {[winfo exists $ui_comm]} {
1408                # -- Stash our current commit buffer.
1409                #
1410                set save [gitdir GITGUI_MSG]
1411                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1412                        file rename -force [gitdir GITGUI_BCK] $save
1413                        set GITGUI_BCK_exists 0
1414                } else {
1415                        set msg [string trim [$ui_comm get 0.0 end]]
1416                        regsub -all -line {[ \r\t]+$} $msg {} msg
1417                        if {(![string match amend* $commit_type]
1418                                || [$ui_comm edit modified])
1419                                && $msg ne {}} {
1420                                catch {
1421                                        set fd [open $save w]
1422                                        puts -nonewline $fd $msg
1423                                        close $fd
1424                                }
1425                        } else {
1426                                catch {file delete $save}
1427                        }
1428                }
1429
1430                # -- Remove our editor backup, its not needed.
1431                #
1432                after cancel $GITGUI_BCK_i
1433                if {$GITGUI_BCK_exists} {
1434                        catch {file delete [gitdir GITGUI_BCK]}
1435                }
1436
1437                # -- Stash our current window geometry into this repository.
1438                #
1439                set cfg_geometry [list]
1440                lappend cfg_geometry [wm geometry .]
1441                lappend cfg_geometry [lindex [.vpane sash coord 0] 1]
1442                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 0]
1443                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1444                        set rc_geometry {}
1445                }
1446                if {$cfg_geometry ne $rc_geometry} {
1447                        catch {git config gui.geometry $cfg_geometry}
1448                }
1449        }
1450
1451        destroy .
1452}
1453
1454proc do_rescan {} {
1455        rescan ui_ready
1456}
1457
1458proc do_commit {} {
1459        commit_tree
1460}
1461
1462proc toggle_or_diff {w x y} {
1463        global file_states file_lists current_diff_path ui_index ui_workdir
1464        global last_clicked selected_paths
1465
1466        set pos [split [$w index @$x,$y] .]
1467        set lno [lindex $pos 0]
1468        set col [lindex $pos 1]
1469        set path [lindex $file_lists($w) [expr {$lno - 1}]]
1470        if {$path eq {}} {
1471                set last_clicked {}
1472                return
1473        }
1474
1475        set last_clicked [list $w $lno]
1476        array unset selected_paths
1477        $ui_index tag remove in_sel 0.0 end
1478        $ui_workdir tag remove in_sel 0.0 end
1479
1480        if {$col == 0} {
1481                if {$current_diff_path eq $path} {
1482                        set after {reshow_diff;}
1483                } else {
1484                        set after {}
1485                }
1486                if {$w eq $ui_index} {
1487                        update_indexinfo \
1488                                "Unstaging [short_path $path] from commit" \
1489                                [list $path] \
1490                                [concat $after [list ui_ready]]
1491                } elseif {$w eq $ui_workdir} {
1492                        update_index \
1493                                "Adding [short_path $path]" \
1494                                [list $path] \
1495                                [concat $after [list ui_ready]]
1496                }
1497        } else {
1498                show_diff $path $w $lno
1499        }
1500}
1501
1502proc add_one_to_selection {w x y} {
1503        global file_lists last_clicked selected_paths
1504
1505        set lno [lindex [split [$w index @$x,$y] .] 0]
1506        set path [lindex $file_lists($w) [expr {$lno - 1}]]
1507        if {$path eq {}} {
1508                set last_clicked {}
1509                return
1510        }
1511
1512        if {$last_clicked ne {}
1513                && [lindex $last_clicked 0] ne $w} {
1514                array unset selected_paths
1515                [lindex $last_clicked 0] tag remove in_sel 0.0 end
1516        }
1517
1518        set last_clicked [list $w $lno]
1519        if {[catch {set in_sel $selected_paths($path)}]} {
1520                set in_sel 0
1521        }
1522        if {$in_sel} {
1523                unset selected_paths($path)
1524                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
1525        } else {
1526                set selected_paths($path) 1
1527                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
1528        }
1529}
1530
1531proc add_range_to_selection {w x y} {
1532        global file_lists last_clicked selected_paths
1533
1534        if {[lindex $last_clicked 0] ne $w} {
1535                toggle_or_diff $w $x $y
1536                return
1537        }
1538
1539        set lno [lindex [split [$w index @$x,$y] .] 0]
1540        set lc [lindex $last_clicked 1]
1541        if {$lc < $lno} {
1542                set begin $lc
1543                set end $lno
1544        } else {
1545                set begin $lno
1546                set end $lc
1547        }
1548
1549        foreach path [lrange $file_lists($w) \
1550                [expr {$begin - 1}] \
1551                [expr {$end - 1}]] {
1552                set selected_paths($path) 1
1553        }
1554        $w tag add in_sel $begin.0 [expr {$end + 1}].0
1555}
1556
1557######################################################################
1558##
1559## config defaults
1560
1561set cursor_ptr arrow
1562font create font_diff -family Courier -size 10
1563font create font_ui
1564catch {
1565        label .dummy
1566        eval font configure font_ui [font actual [.dummy cget -font]]
1567        destroy .dummy
1568}
1569
1570font create font_uiitalic
1571font create font_uibold
1572font create font_diffbold
1573font create font_diffitalic
1574
1575foreach class {Button Checkbutton Entry Label
1576                Labelframe Listbox Menu Message
1577                Radiobutton Spinbox Text} {
1578        option add *$class.font font_ui
1579}
1580unset class
1581
1582if {[is_Windows] || [is_MacOSX]} {
1583        option add *Menu.tearOff 0
1584}
1585
1586if {[is_MacOSX]} {
1587        set M1B M1
1588        set M1T Cmd
1589} else {
1590        set M1B Control
1591        set M1T Ctrl
1592}
1593
1594proc apply_config {} {
1595        global repo_config font_descs
1596
1597        foreach option $font_descs {
1598                set name [lindex $option 0]
1599                set font [lindex $option 1]
1600                if {[catch {
1601                        foreach {cn cv} $repo_config(gui.$name) {
1602                                font configure $font $cn $cv
1603                        }
1604                        } err]} {
1605                        error_popup "Invalid font specified in gui.$name:\n\n$err"
1606                }
1607                foreach {cn cv} [font configure $font] {
1608                        font configure ${font}bold $cn $cv
1609                        font configure ${font}italic $cn $cv
1610                }
1611                font configure ${font}bold -weight bold
1612                font configure ${font}italic -slant italic
1613        }
1614}
1615
1616set default_config(merge.diffstat) true
1617set default_config(merge.summary) false
1618set default_config(merge.verbosity) 2
1619set default_config(user.name) {}
1620set default_config(user.email) {}
1621
1622set default_config(gui.matchtrackingbranch) false
1623set default_config(gui.pruneduringfetch) false
1624set default_config(gui.trustmtime) false
1625set default_config(gui.diffcontext) 5
1626set default_config(gui.newbranchtemplate) {}
1627set default_config(gui.fontui) [font configure font_ui]
1628set default_config(gui.fontdiff) [font configure font_diff]
1629set font_descs {
1630        {fontui   font_ui   {Main Font}}
1631        {fontdiff font_diff {Diff/Console Font}}
1632}
1633load_config 0
1634apply_config
1635
1636######################################################################
1637##
1638## ui construction
1639
1640set ui_comm {}
1641
1642# -- Menu Bar
1643#
1644menu .mbar -tearoff 0
1645.mbar add cascade -label Repository -menu .mbar.repository
1646.mbar add cascade -label Edit -menu .mbar.edit
1647if {[is_enabled branch]} {
1648        .mbar add cascade -label Branch -menu .mbar.branch
1649}
1650if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1651        .mbar add cascade -label Commit -menu .mbar.commit
1652}
1653if {[is_enabled transport]} {
1654        .mbar add cascade -label Merge -menu .mbar.merge
1655        .mbar add cascade -label Fetch -menu .mbar.fetch
1656        .mbar add cascade -label Push -menu .mbar.push
1657}
1658. configure -menu .mbar
1659
1660# -- Repository Menu
1661#
1662menu .mbar.repository
1663
1664.mbar.repository add command \
1665        -label {Browse Current Branch's Files} \
1666        -command {browser::new $current_branch}
1667set ui_browse_current [.mbar.repository index last]
1668.mbar.repository add command \
1669        -label {Browse Branch Files...} \
1670        -command browser_open::dialog
1671.mbar.repository add separator
1672
1673.mbar.repository add command \
1674        -label {Visualize Current Branch's History} \
1675        -command {do_gitk $current_branch}
1676set ui_visualize_current [.mbar.repository index last]
1677.mbar.repository add command \
1678        -label {Visualize All Branch History} \
1679        -command {do_gitk --all}
1680.mbar.repository add separator
1681
1682proc current_branch_write {args} {
1683        global current_branch
1684        .mbar.repository entryconf $::ui_browse_current \
1685                -label "Browse $current_branch's Files"
1686        .mbar.repository entryconf $::ui_visualize_current \
1687                -label "Visualize $current_branch's History"
1688}
1689trace add variable current_branch write current_branch_write
1690
1691if {[is_enabled multicommit]} {
1692        .mbar.repository add command -label {Database Statistics} \
1693                -command do_stats
1694
1695        .mbar.repository add command -label {Compress Database} \
1696                -command do_gc
1697
1698        .mbar.repository add command -label {Verify Database} \
1699                -command do_fsck_objects
1700
1701        .mbar.repository add separator
1702
1703        if {[is_Cygwin]} {
1704                .mbar.repository add command \
1705                        -label {Create Desktop Icon} \
1706                        -command do_cygwin_shortcut
1707        } elseif {[is_Windows]} {
1708                .mbar.repository add command \
1709                        -label {Create Desktop Icon} \
1710                        -command do_windows_shortcut
1711        } elseif {[is_MacOSX]} {
1712                .mbar.repository add command \
1713                        -label {Create Desktop Icon} \
1714                        -command do_macosx_app
1715        }
1716}
1717
1718.mbar.repository add command -label Quit \
1719        -command do_quit \
1720        -accelerator $M1T-Q
1721
1722# -- Edit Menu
1723#
1724menu .mbar.edit
1725.mbar.edit add command -label Undo \
1726        -command {catch {[focus] edit undo}} \
1727        -accelerator $M1T-Z
1728.mbar.edit add command -label Redo \
1729        -command {catch {[focus] edit redo}} \
1730        -accelerator $M1T-Y
1731.mbar.edit add separator
1732.mbar.edit add command -label Cut \
1733        -command {catch {tk_textCut [focus]}} \
1734        -accelerator $M1T-X
1735.mbar.edit add command -label Copy \
1736        -command {catch {tk_textCopy [focus]}} \
1737        -accelerator $M1T-C
1738.mbar.edit add command -label Paste \
1739        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
1740        -accelerator $M1T-V
1741.mbar.edit add command -label Delete \
1742        -command {catch {[focus] delete sel.first sel.last}} \
1743        -accelerator Del
1744.mbar.edit add separator
1745.mbar.edit add command -label {Select All} \
1746        -command {catch {[focus] tag add sel 0.0 end}} \
1747        -accelerator $M1T-A
1748
1749# -- Branch Menu
1750#
1751if {[is_enabled branch]} {
1752        menu .mbar.branch
1753
1754        .mbar.branch add command -label {Create...} \
1755                -command branch_create::dialog \
1756                -accelerator $M1T-N
1757        lappend disable_on_lock [list .mbar.branch entryconf \
1758                [.mbar.branch index last] -state]
1759
1760        .mbar.branch add command -label {Checkout...} \
1761                -command branch_checkout::dialog \
1762                -accelerator $M1T-O
1763        lappend disable_on_lock [list .mbar.branch entryconf \
1764                [.mbar.branch index last] -state]
1765
1766        .mbar.branch add command -label {Rename...} \
1767                -command branch_rename::dialog
1768        lappend disable_on_lock [list .mbar.branch entryconf \
1769                [.mbar.branch index last] -state]
1770
1771        .mbar.branch add command -label {Delete...} \
1772                -command branch_delete::dialog
1773        lappend disable_on_lock [list .mbar.branch entryconf \
1774                [.mbar.branch index last] -state]
1775
1776        .mbar.branch add command -label {Reset...} \
1777                -command merge::reset_hard
1778        lappend disable_on_lock [list .mbar.branch entryconf \
1779                [.mbar.branch index last] -state]
1780}
1781
1782# -- Commit Menu
1783#
1784if {[is_enabled multicommit] || [is_enabled singlecommit]} {
1785        menu .mbar.commit
1786
1787        .mbar.commit add radiobutton \
1788                -label {New Commit} \
1789                -command do_select_commit_type \
1790                -variable selected_commit_type \
1791                -value new
1792        lappend disable_on_lock \
1793                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1794
1795        .mbar.commit add radiobutton \
1796                -label {Amend Last Commit} \
1797                -command do_select_commit_type \
1798                -variable selected_commit_type \
1799                -value amend
1800        lappend disable_on_lock \
1801                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1802
1803        .mbar.commit add separator
1804
1805        .mbar.commit add command -label Rescan \
1806                -command do_rescan \
1807                -accelerator F5
1808        lappend disable_on_lock \
1809                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1810
1811        .mbar.commit add command -label {Stage To Commit} \
1812                -command do_add_selection
1813        lappend disable_on_lock \
1814                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1815
1816        .mbar.commit add command -label {Stage Changed Files To Commit} \
1817                -command do_add_all \
1818                -accelerator $M1T-I
1819        lappend disable_on_lock \
1820                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1821
1822        .mbar.commit add command -label {Unstage From Commit} \
1823                -command do_unstage_selection
1824        lappend disable_on_lock \
1825                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1826
1827        .mbar.commit add command -label {Revert Changes} \
1828                -command do_revert_selection
1829        lappend disable_on_lock \
1830                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1831
1832        .mbar.commit add separator
1833
1834        .mbar.commit add command -label {Sign Off} \
1835                -command do_signoff \
1836                -accelerator $M1T-S
1837
1838        .mbar.commit add command -label Commit \
1839                -command do_commit \
1840                -accelerator $M1T-Return
1841        lappend disable_on_lock \
1842                [list .mbar.commit entryconf [.mbar.commit index last] -state]
1843}
1844
1845# -- Merge Menu
1846#
1847if {[is_enabled branch]} {
1848        menu .mbar.merge
1849        .mbar.merge add command -label {Local Merge...} \
1850                -command merge::dialog \
1851                -accelerator $M1T-M
1852        lappend disable_on_lock \
1853                [list .mbar.merge entryconf [.mbar.merge index last] -state]
1854        .mbar.merge add command -label {Abort Merge...} \
1855                -command merge::reset_hard
1856        lappend disable_on_lock \
1857                [list .mbar.merge entryconf [.mbar.merge index last] -state]
1858}
1859
1860# -- Transport Menu
1861#
1862if {[is_enabled transport]} {
1863        menu .mbar.fetch
1864
1865        menu .mbar.push
1866        .mbar.push add command -label {Push...} \
1867                -command do_push_anywhere \
1868                -accelerator $M1T-P
1869        .mbar.push add command -label {Delete...} \
1870                -command remote_branch_delete::dialog
1871}
1872
1873if {[is_MacOSX]} {
1874        # -- Apple Menu (Mac OS X only)
1875        #
1876        .mbar add cascade -label Apple -menu .mbar.apple
1877        menu .mbar.apple
1878
1879        .mbar.apple add command -label "About [appname]" \
1880                -command do_about
1881        .mbar.apple add command -label "Options..." \
1882                -command do_options
1883} else {
1884        # -- Edit Menu
1885        #
1886        .mbar.edit add separator
1887        .mbar.edit add command -label {Options...} \
1888                -command do_options
1889}
1890
1891# -- Help Menu
1892#
1893.mbar add cascade -label Help -menu .mbar.help
1894menu .mbar.help
1895
1896if {![is_MacOSX]} {
1897        .mbar.help add command -label "About [appname]" \
1898                -command do_about
1899}
1900
1901set browser {}
1902catch {set browser $repo_config(instaweb.browser)}
1903set doc_path [file dirname [gitexec]]
1904set doc_path [file join $doc_path Documentation index.html]
1905
1906if {[is_Cygwin]} {
1907        set doc_path [exec cygpath --mixed $doc_path]
1908}
1909
1910if {$browser eq {}} {
1911        if {[is_MacOSX]} {
1912                set browser open
1913        } elseif {[is_Cygwin]} {
1914                set program_files [file dirname [exec cygpath --windir]]
1915                set program_files [file join $program_files {Program Files}]
1916                set firefox [file join $program_files {Mozilla Firefox} firefox.exe]
1917                set ie [file join $program_files {Internet Explorer} IEXPLORE.EXE]
1918                if {[file exists $firefox]} {
1919                        set browser $firefox
1920                } elseif {[file exists $ie]} {
1921                        set browser $ie
1922                }
1923                unset program_files firefox ie
1924        }
1925}
1926
1927if {[file isfile $doc_path]} {
1928        set doc_url "file:$doc_path"
1929} else {
1930        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
1931}
1932
1933if {$browser ne {}} {
1934        .mbar.help add command -label {Online Documentation} \
1935                -command [list exec $browser $doc_url &]
1936}
1937unset browser doc_path doc_url
1938
1939# -- Standard bindings
1940#
1941wm protocol . WM_DELETE_WINDOW do_quit
1942bind all <$M1B-Key-q> do_quit
1943bind all <$M1B-Key-Q> do_quit
1944bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
1945bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
1946
1947set subcommand_args {}
1948proc usage {} {
1949        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
1950        exit 1
1951}
1952
1953# -- Not a normal commit type invocation?  Do that instead!
1954#
1955switch -- $subcommand {
1956browser -
1957blame {
1958        set subcommand_args {rev? path}
1959        if {$argv eq {}} usage
1960        set head {}
1961        set path {}
1962        set is_path 0
1963        foreach a $argv {
1964                if {$is_path || [file exists $_prefix$a]} {
1965                        if {$path ne {}} usage
1966                        set path $_prefix$a
1967                        break
1968                } elseif {$a eq {--}} {
1969                        if {$path ne {}} {
1970                                if {$head ne {}} usage
1971                                set head $path
1972                                set path {}
1973                        }
1974                        set is_path 1
1975                } elseif {$head eq {}} {
1976                        if {$head ne {}} usage
1977                        set head $a
1978                        set is_path 1
1979                } else {
1980                        usage
1981                }
1982        }
1983        unset is_path
1984
1985        if {$head ne {} && $path eq {}} {
1986                set path $_prefix$head
1987                set head {}
1988        }
1989
1990        if {$head eq {}} {
1991                load_current_branch
1992        } else {
1993                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
1994                        if {[catch {
1995                                        set head [git rev-parse --verify $head]
1996                                } err]} {
1997                                puts stderr $err
1998                                exit 1
1999                        }
2000                }
2001                set current_branch $head
2002        }
2003
2004        switch -- $subcommand {
2005        browser {
2006                if {$head eq {}} {
2007                        if {$path ne {} && [file isdirectory $path]} {
2008                                set head $current_branch
2009                        } else {
2010                                set head $path
2011                                set path {}
2012                        }
2013                }
2014                browser::new $head $path
2015        }
2016        blame   {
2017                if {$head eq {} && ![file exists $path]} {
2018                        puts stderr "fatal: cannot stat path $path: No such file or directory"
2019                        exit 1
2020                }
2021                blame::new $head $path
2022        }
2023        }
2024        return
2025}
2026citool -
2027gui {
2028        if {[llength $argv] != 0} {
2029                puts -nonewline stderr "usage: $argv0"
2030                if {$subcommand ne {gui} && [appname] ne "git-$subcommand"} {
2031                        puts -nonewline stderr " $subcommand"
2032                }
2033                puts stderr {}
2034                exit 1
2035        }
2036        # fall through to setup UI for commits
2037}
2038default {
2039        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2040        exit 1
2041}
2042}
2043
2044# -- Branch Control
2045#
2046frame .branch \
2047        -borderwidth 1 \
2048        -relief sunken
2049label .branch.l1 \
2050        -text {Current Branch:} \
2051        -anchor w \
2052        -justify left
2053label .branch.cb \
2054        -textvariable current_branch \
2055        -anchor w \
2056        -justify left
2057pack .branch.l1 -side left
2058pack .branch.cb -side left -fill x
2059pack .branch -side top -fill x
2060
2061# -- Main Window Layout
2062#
2063panedwindow .vpane -orient vertical
2064panedwindow .vpane.files -orient horizontal
2065.vpane add .vpane.files -sticky nsew -height 100 -width 200
2066pack .vpane -anchor n -side top -fill both -expand 1
2067
2068# -- Index File List
2069#
2070frame .vpane.files.index -height 100 -width 200
2071label .vpane.files.index.title -text {Staged Changes (Will Be Committed)} \
2072        -background lightgreen
2073text $ui_index -background white -borderwidth 0 \
2074        -width 20 -height 10 \
2075        -wrap none \
2076        -cursor $cursor_ptr \
2077        -xscrollcommand {.vpane.files.index.sx set} \
2078        -yscrollcommand {.vpane.files.index.sy set} \
2079        -state disabled
2080scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2081scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2082pack .vpane.files.index.title -side top -fill x
2083pack .vpane.files.index.sx -side bottom -fill x
2084pack .vpane.files.index.sy -side right -fill y
2085pack $ui_index -side left -fill both -expand 1
2086.vpane.files add .vpane.files.index -sticky nsew
2087
2088# -- Working Directory File List
2089#
2090frame .vpane.files.workdir -height 100 -width 200
2091label .vpane.files.workdir.title -text {Unstaged Changes (Will Not Be Committed)} \
2092        -background lightsalmon
2093text $ui_workdir -background white -borderwidth 0 \
2094        -width 20 -height 10 \
2095        -wrap none \
2096        -cursor $cursor_ptr \
2097        -xscrollcommand {.vpane.files.workdir.sx set} \
2098        -yscrollcommand {.vpane.files.workdir.sy set} \
2099        -state disabled
2100scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2101scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2102pack .vpane.files.workdir.title -side top -fill x
2103pack .vpane.files.workdir.sx -side bottom -fill x
2104pack .vpane.files.workdir.sy -side right -fill y
2105pack $ui_workdir -side left -fill both -expand 1
2106.vpane.files add .vpane.files.workdir -sticky nsew
2107
2108foreach i [list $ui_index $ui_workdir] {
2109        $i tag conf in_diff -background lightgray
2110        $i tag conf in_sel  -background lightgray
2111}
2112unset i
2113
2114# -- Diff and Commit Area
2115#
2116frame .vpane.lower -height 300 -width 400
2117frame .vpane.lower.commarea
2118frame .vpane.lower.diff -relief sunken -borderwidth 1
2119pack .vpane.lower.commarea -side top -fill x
2120pack .vpane.lower.diff -side bottom -fill both -expand 1
2121.vpane add .vpane.lower -sticky nsew
2122
2123# -- Commit Area Buttons
2124#
2125frame .vpane.lower.commarea.buttons
2126label .vpane.lower.commarea.buttons.l -text {} \
2127        -anchor w \
2128        -justify left
2129pack .vpane.lower.commarea.buttons.l -side top -fill x
2130pack .vpane.lower.commarea.buttons -side left -fill y
2131
2132button .vpane.lower.commarea.buttons.rescan -text {Rescan} \
2133        -command do_rescan
2134pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2135lappend disable_on_lock \
2136        {.vpane.lower.commarea.buttons.rescan conf -state}
2137
2138button .vpane.lower.commarea.buttons.incall -text {Stage Changed} \
2139        -command do_add_all
2140pack .vpane.lower.commarea.buttons.incall -side top -fill x
2141lappend disable_on_lock \
2142        {.vpane.lower.commarea.buttons.incall conf -state}
2143
2144button .vpane.lower.commarea.buttons.signoff -text {Sign Off} \
2145        -command do_signoff
2146pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2147
2148button .vpane.lower.commarea.buttons.commit -text {Commit} \
2149        -command do_commit
2150pack .vpane.lower.commarea.buttons.commit -side top -fill x
2151lappend disable_on_lock \
2152        {.vpane.lower.commarea.buttons.commit conf -state}
2153
2154button .vpane.lower.commarea.buttons.push -text {Push} \
2155        -command do_push_anywhere
2156pack .vpane.lower.commarea.buttons.push -side top -fill x
2157
2158# -- Commit Message Buffer
2159#
2160frame .vpane.lower.commarea.buffer
2161frame .vpane.lower.commarea.buffer.header
2162set ui_comm .vpane.lower.commarea.buffer.t
2163set ui_coml .vpane.lower.commarea.buffer.header.l
2164radiobutton .vpane.lower.commarea.buffer.header.new \
2165        -text {New Commit} \
2166        -command do_select_commit_type \
2167        -variable selected_commit_type \
2168        -value new
2169lappend disable_on_lock \
2170        [list .vpane.lower.commarea.buffer.header.new conf -state]
2171radiobutton .vpane.lower.commarea.buffer.header.amend \
2172        -text {Amend Last Commit} \
2173        -command do_select_commit_type \
2174        -variable selected_commit_type \
2175        -value amend
2176lappend disable_on_lock \
2177        [list .vpane.lower.commarea.buffer.header.amend conf -state]
2178label $ui_coml \
2179        -anchor w \
2180        -justify left
2181proc trace_commit_type {varname args} {
2182        global ui_coml commit_type
2183        switch -glob -- $commit_type {
2184        initial       {set txt {Initial Commit Message:}}
2185        amend         {set txt {Amended Commit Message:}}
2186        amend-initial {set txt {Amended Initial Commit Message:}}
2187        amend-merge   {set txt {Amended Merge Commit Message:}}
2188        merge         {set txt {Merge Commit Message:}}
2189        *             {set txt {Commit Message:}}
2190        }
2191        $ui_coml conf -text $txt
2192}
2193trace add variable commit_type write trace_commit_type
2194pack $ui_coml -side left -fill x
2195pack .vpane.lower.commarea.buffer.header.amend -side right
2196pack .vpane.lower.commarea.buffer.header.new -side right
2197
2198text $ui_comm -background white -borderwidth 1 \
2199        -undo true \
2200        -maxundo 20 \
2201        -autoseparators true \
2202        -relief sunken \
2203        -width 75 -height 9 -wrap none \
2204        -font font_diff \
2205        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2206scrollbar .vpane.lower.commarea.buffer.sby \
2207        -command [list $ui_comm yview]
2208pack .vpane.lower.commarea.buffer.header -side top -fill x
2209pack .vpane.lower.commarea.buffer.sby -side right -fill y
2210pack $ui_comm -side left -fill y
2211pack .vpane.lower.commarea.buffer -side left -fill y
2212
2213# -- Commit Message Buffer Context Menu
2214#
2215set ctxm .vpane.lower.commarea.buffer.ctxm
2216menu $ctxm -tearoff 0
2217$ctxm add command \
2218        -label {Cut} \
2219        -command {tk_textCut $ui_comm}
2220$ctxm add command \
2221        -label {Copy} \
2222        -command {tk_textCopy $ui_comm}
2223$ctxm add command \
2224        -label {Paste} \
2225        -command {tk_textPaste $ui_comm}
2226$ctxm add command \
2227        -label {Delete} \
2228        -command {$ui_comm delete sel.first sel.last}
2229$ctxm add separator
2230$ctxm add command \
2231        -label {Select All} \
2232        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2233$ctxm add command \
2234        -label {Copy All} \
2235        -command {
2236                $ui_comm tag add sel 0.0 end
2237                tk_textCopy $ui_comm
2238                $ui_comm tag remove sel 0.0 end
2239        }
2240$ctxm add separator
2241$ctxm add command \
2242        -label {Sign Off} \
2243        -command do_signoff
2244bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
2245
2246# -- Diff Header
2247#
2248proc trace_current_diff_path {varname args} {
2249        global current_diff_path diff_actions file_states
2250        if {$current_diff_path eq {}} {
2251                set s {}
2252                set f {}
2253                set p {}
2254                set o disabled
2255        } else {
2256                set p $current_diff_path
2257                set s [mapdesc [lindex $file_states($p) 0] $p]
2258                set f {File:}
2259                set p [escape_path $p]
2260                set o normal
2261        }
2262
2263        .vpane.lower.diff.header.status configure -text $s
2264        .vpane.lower.diff.header.file configure -text $f
2265        .vpane.lower.diff.header.path configure -text $p
2266        foreach w $diff_actions {
2267                uplevel #0 $w $o
2268        }
2269}
2270trace add variable current_diff_path write trace_current_diff_path
2271
2272frame .vpane.lower.diff.header -background gold
2273label .vpane.lower.diff.header.status \
2274        -background gold \
2275        -width $max_status_desc \
2276        -anchor w \
2277        -justify left
2278label .vpane.lower.diff.header.file \
2279        -background gold \
2280        -anchor w \
2281        -justify left
2282label .vpane.lower.diff.header.path \
2283        -background gold \
2284        -anchor w \
2285        -justify left
2286pack .vpane.lower.diff.header.status -side left
2287pack .vpane.lower.diff.header.file -side left
2288pack .vpane.lower.diff.header.path -fill x
2289set ctxm .vpane.lower.diff.header.ctxm
2290menu $ctxm -tearoff 0
2291$ctxm add command \
2292        -label {Copy} \
2293        -command {
2294                clipboard clear
2295                clipboard append \
2296                        -format STRING \
2297                        -type STRING \
2298                        -- $current_diff_path
2299        }
2300lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2301bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
2302
2303# -- Diff Body
2304#
2305frame .vpane.lower.diff.body
2306set ui_diff .vpane.lower.diff.body.t
2307text $ui_diff -background white -borderwidth 0 \
2308        -width 80 -height 15 -wrap none \
2309        -font font_diff \
2310        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
2311        -yscrollcommand {.vpane.lower.diff.body.sby set} \
2312        -state disabled
2313scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
2314        -command [list $ui_diff xview]
2315scrollbar .vpane.lower.diff.body.sby -orient vertical \
2316        -command [list $ui_diff yview]
2317pack .vpane.lower.diff.body.sbx -side bottom -fill x
2318pack .vpane.lower.diff.body.sby -side right -fill y
2319pack $ui_diff -side left -fill both -expand 1
2320pack .vpane.lower.diff.header -side top -fill x
2321pack .vpane.lower.diff.body -side bottom -fill both -expand 1
2322
2323$ui_diff tag conf d_cr -elide true
2324$ui_diff tag conf d_@ -foreground blue -font font_diffbold
2325$ui_diff tag conf d_+ -foreground {#00a000}
2326$ui_diff tag conf d_- -foreground red
2327
2328$ui_diff tag conf d_++ -foreground {#00a000}
2329$ui_diff tag conf d_-- -foreground red
2330$ui_diff tag conf d_+s \
2331        -foreground {#00a000} \
2332        -background {#e2effa}
2333$ui_diff tag conf d_-s \
2334        -foreground red \
2335        -background {#e2effa}
2336$ui_diff tag conf d_s+ \
2337        -foreground {#00a000} \
2338        -background ivory1
2339$ui_diff tag conf d_s- \
2340        -foreground red \
2341        -background ivory1
2342
2343$ui_diff tag conf d<<<<<<< \
2344        -foreground orange \
2345        -font font_diffbold
2346$ui_diff tag conf d======= \
2347        -foreground orange \
2348        -font font_diffbold
2349$ui_diff tag conf d>>>>>>> \
2350        -foreground orange \
2351        -font font_diffbold
2352
2353$ui_diff tag raise sel
2354
2355# -- Diff Body Context Menu
2356#
2357set ctxm .vpane.lower.diff.body.ctxm
2358menu $ctxm -tearoff 0
2359$ctxm add command \
2360        -label {Refresh} \
2361        -command reshow_diff
2362lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2363$ctxm add command \
2364        -label {Copy} \
2365        -command {tk_textCopy $ui_diff}
2366lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2367$ctxm add command \
2368        -label {Select All} \
2369        -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
2370lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2371$ctxm add command \
2372        -label {Copy All} \
2373        -command {
2374                $ui_diff tag add sel 0.0 end
2375                tk_textCopy $ui_diff
2376                $ui_diff tag remove sel 0.0 end
2377        }
2378lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2379$ctxm add separator
2380$ctxm add command \
2381        -label {Apply/Reverse Hunk} \
2382        -command {apply_hunk $cursorX $cursorY}
2383set ui_diff_applyhunk [$ctxm index last]
2384lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
2385$ctxm add separator
2386$ctxm add command \
2387        -label {Decrease Font Size} \
2388        -command {incr_font_size font_diff -1}
2389lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2390$ctxm add command \
2391        -label {Increase Font Size} \
2392        -command {incr_font_size font_diff 1}
2393lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2394$ctxm add separator
2395$ctxm add command \
2396        -label {Show Less Context} \
2397        -command {if {$repo_config(gui.diffcontext) >= 1} {
2398                incr repo_config(gui.diffcontext) -1
2399                reshow_diff
2400        }}
2401lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2402$ctxm add command \
2403        -label {Show More Context} \
2404        -command {if {$repo_config(gui.diffcontext) < 99} {
2405                incr repo_config(gui.diffcontext)
2406                reshow_diff
2407        }}
2408lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
2409$ctxm add separator
2410$ctxm add command -label {Options...} \
2411        -command do_options
2412proc popup_diff_menu {ctxm x y X Y} {
2413        global current_diff_path
2414        set ::cursorX $x
2415        set ::cursorY $y
2416        if {$::ui_index eq $::current_diff_side} {
2417                $ctxm entryconf $::ui_diff_applyhunk \
2418                        -state normal \
2419                        -label {Unstage Hunk From Commit}
2420        } elseif {![info exists file_states($current_diff_path)]
2421                || {_O} eq [lindex $file_states($::current_diff_path) 0]} {
2422                $ctxm entryconf $::ui_diff_applyhunk \
2423                        -state disabled \
2424                        -label {Stage Hunk For Commit}
2425        } else {
2426                $ctxm entryconf $::ui_diff_applyhunk \
2427                        -state normal \
2428                        -label {Stage Hunk For Commit}
2429        }
2430        tk_popup $ctxm $X $Y
2431}
2432bind_button3 $ui_diff [list popup_diff_menu $ctxm %x %y %X %Y]
2433
2434# -- Status Bar
2435#
2436set main_status [::status_bar::new .status]
2437pack .status -anchor w -side bottom -fill x
2438$main_status show {Initializing...}
2439
2440# -- Load geometry
2441#
2442catch {
2443set gm $repo_config(gui.geometry)
2444wm geometry . [lindex $gm 0]
2445.vpane sash place 0 \
2446        [lindex [.vpane sash coord 0] 0] \
2447        [lindex $gm 1]
2448.vpane.files sash place 0 \
2449        [lindex $gm 2] \
2450        [lindex [.vpane.files sash coord 0] 1]
2451unset gm
2452}
2453
2454# -- Key Bindings
2455#
2456bind $ui_comm <$M1B-Key-Return> {do_commit;break}
2457bind $ui_comm <$M1B-Key-i> {do_add_all;break}
2458bind $ui_comm <$M1B-Key-I> {do_add_all;break}
2459bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
2460bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
2461bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
2462bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
2463bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
2464bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
2465bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2466bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2467
2468bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
2469bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
2470bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
2471bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
2472bind $ui_diff <$M1B-Key-v> {break}
2473bind $ui_diff <$M1B-Key-V> {break}
2474bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
2475bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
2476bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
2477bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
2478bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
2479bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
2480bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
2481bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
2482bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
2483bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
2484bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
2485bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
2486bind $ui_diff <Button-1>   {focus %W}
2487
2488if {[is_enabled branch]} {
2489        bind . <$M1B-Key-n> branch_create::dialog
2490        bind . <$M1B-Key-N> branch_create::dialog
2491        bind . <$M1B-Key-o> branch_checkout::dialog
2492        bind . <$M1B-Key-O> branch_checkout::dialog
2493        bind . <$M1B-Key-m> merge::dialog
2494        bind . <$M1B-Key-M> merge::dialog
2495}
2496if {[is_enabled transport]} {
2497        bind . <$M1B-Key-p> do_push_anywhere
2498        bind . <$M1B-Key-P> do_push_anywhere
2499}
2500
2501bind .   <Key-F5>     do_rescan
2502bind .   <$M1B-Key-r> do_rescan
2503bind .   <$M1B-Key-R> do_rescan
2504bind .   <$M1B-Key-s> do_signoff
2505bind .   <$M1B-Key-S> do_signoff
2506bind .   <$M1B-Key-i> do_add_all
2507bind .   <$M1B-Key-I> do_add_all
2508bind .   <$M1B-Key-Return> do_commit
2509foreach i [list $ui_index $ui_workdir] {
2510        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
2511        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
2512        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
2513}
2514unset i
2515
2516set file_lists($ui_index) [list]
2517set file_lists($ui_workdir) [list]
2518
2519wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
2520focus -force $ui_comm
2521
2522# -- Warn the user about environmental problems.  Cygwin's Tcl
2523#    does *not* pass its env array onto any processes it spawns.
2524#    This means that git processes get none of our environment.
2525#
2526if {[is_Cygwin]} {
2527        set ignored_env 0
2528        set suggest_user {}
2529        set msg "Possible environment issues exist.
2530
2531The following environment variables are probably
2532going to be ignored by any Git subprocess run
2533by [appname]:
2534
2535"
2536        foreach name [array names env] {
2537                switch -regexp -- $name {
2538                {^GIT_INDEX_FILE$} -
2539                {^GIT_OBJECT_DIRECTORY$} -
2540                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
2541                {^GIT_DIFF_OPTS$} -
2542                {^GIT_EXTERNAL_DIFF$} -
2543                {^GIT_PAGER$} -
2544                {^GIT_TRACE$} -
2545                {^GIT_CONFIG$} -
2546                {^GIT_CONFIG_LOCAL$} -
2547                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
2548                        append msg " - $name\n"
2549                        incr ignored_env
2550                }
2551                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
2552                        append msg " - $name\n"
2553                        incr ignored_env
2554                        set suggest_user $name
2555                }
2556                }
2557        }
2558        if {$ignored_env > 0} {
2559                append msg "
2560This is due to a known issue with the
2561Tcl binary distributed by Cygwin."
2562
2563                if {$suggest_user ne {}} {
2564                        append msg "
2565
2566A good replacement for $suggest_user
2567is placing values for the user.name and
2568user.email settings into your personal
2569~/.gitconfig file.
2570"
2571                }
2572                warn_popup $msg
2573        }
2574        unset ignored_env msg suggest_user name
2575}
2576
2577# -- Only initialize complex UI if we are going to stay running.
2578#
2579if {[is_enabled transport]} {
2580        load_all_remotes
2581
2582        populate_fetch_menu
2583        populate_push_menu
2584}
2585
2586if {[winfo exists $ui_comm]} {
2587        set GITGUI_BCK_exists [load_message GITGUI_BCK]
2588
2589        # -- If both our backup and message files exist use the
2590        #    newer of the two files to initialize the buffer.
2591        #
2592        if {$GITGUI_BCK_exists} {
2593                set m [gitdir GITGUI_MSG]
2594                if {[file isfile $m]} {
2595                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
2596                                catch {file delete [gitdir GITGUI_MSG]}
2597                        } else {
2598                                $ui_comm delete 0.0 end
2599                                $ui_comm edit reset
2600                                $ui_comm edit modified false
2601                                catch {file delete [gitdir GITGUI_BCK]}
2602                                set GITGUI_BCK_exists 0
2603                        }
2604                }
2605                unset m
2606        }
2607
2608        proc backup_commit_buffer {} {
2609                global ui_comm GITGUI_BCK_exists
2610
2611                set m [$ui_comm edit modified]
2612                if {$m || $GITGUI_BCK_exists} {
2613                        set msg [string trim [$ui_comm get 0.0 end]]
2614                        regsub -all -line {[ \r\t]+$} $msg {} msg
2615
2616                        if {$msg eq {}} {
2617                                if {$GITGUI_BCK_exists} {
2618                                        catch {file delete [gitdir GITGUI_BCK]}
2619                                        set GITGUI_BCK_exists 0
2620                                }
2621                        } elseif {$m} {
2622                                catch {
2623                                        set fd [open [gitdir GITGUI_BCK] w]
2624                                        puts -nonewline $fd $msg
2625                                        close $fd
2626                                        set GITGUI_BCK_exists 1
2627                                }
2628                        }
2629
2630                        $ui_comm edit modified false
2631                }
2632
2633                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
2634        }
2635
2636        backup_commit_buffer
2637}
2638
2639lock_index begin-read
2640if {![winfo ismapped .]} {
2641        wm deiconify .
2642}
2643after 1 do_rescan
2644if {[is_enabled multicommit]} {
2645        after 1000 hint_gc
2646}