1 # git-gui Git repository chooser
2 # Copyright (C) 2007 Shawn Pearce
4 class choose_repository {
8 field w_body ; # Widget holding the center content
9 field w_next ; # Next button
10 field w_quit ; # Quit button
11 field o_cons ; # Console object (if active)
12 field w_types ; # List of type buttons in clone
13 field w_recentlist ; # Listbox containing recent repositories
14 field w_localpath ; # Entry widget bound to local_path
16 field done 0 ; # Finished picking the repository?
17 field local_path {} ; # Where this repository is locally
18 field origin_url {} ; # Where we are cloning from
19 field origin_name origin ; # What we shall call 'origin'
20 field clone_type hardlink ; # Type of clone to construct
21 field readtree_err ; # Error output from read-tree (if any)
22 field sorted_recent ; # recent repositories (sorted)
28 wm title $top [mc "Git Gui"]
31 menu $w.mbar -tearoff 0
32 $top configure -menu $w.mbar
34 set m_repo $w.mbar.repository
36 -label [mc Repository] \
41 $w.mbar add cascade -label Apple -menu .mbar.apple
43 $w.mbar.apple add command \
44 -label [mc "About %s" [appname]] \
47 $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
49 $w.mbar.help add command \
50 -label [mc "About %s" [appname]] \
54 wm protocol $top WM_DELETE_WINDOW exit
55 bind $top <$M1B-q> exit
56 bind $top <$M1B-Q> exit
57 bind $top <Key-Escape> exit
59 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
60 bind $top <Key-Escape> [list destroy $top]
64 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
67 set opts $w_body.options
70 -cursor $::cursor_ptr \
72 -background [$w_body cget -background] \
77 pack $opts -anchor w -fill x
79 $opts tag conf link_new -foreground blue -underline 1
80 $opts tag bind link_new <1> [cb _next new]
81 $opts insert end [mc "Create New Repository"] link_new
85 -command [cb _next new] \
88 bind $top <$M1B-n> [cb _next new]
89 bind $top <$M1B-N> [cb _next new]
92 $opts tag conf link_clone -foreground blue -underline 1
93 $opts tag bind link_clone <1> [cb _next clone]
94 $opts insert end [mc "Clone Existing Repository"] link_clone
98 -command [cb _next clone] \
100 -label [mc "Clone..."]
101 bind $top <$M1B-c> [cb _next clone]
102 bind $top <$M1B-C> [cb _next clone]
105 $opts tag conf link_open -foreground blue -underline 1
106 $opts tag bind link_open <1> [cb _next open]
107 $opts insert end [mc "Open Existing Repository"] link_open
108 $opts insert end "\n"
110 $m_repo add command \
111 -command [cb _next open] \
112 -accelerator $M1T-O \
113 -label [mc "Open..."]
114 bind $top <$M1B-o> [cb _next open]
115 bind $top <$M1B-O> [cb _next open]
118 $opts conf -state disabled
120 set sorted_recent [_get_recentrepos]
121 if {[llength $sorted_recent] > 0} {
123 $m_repo add separator
124 $m_repo add command \
126 -label [mc "Recent Repositories"]
130 label $w_body.recentlabel \
132 -text [mc "Open Recent Repository:"]
133 set w_recentlist $w_body.recentlist
135 -cursor $::cursor_ptr \
137 -background [$w_body.recentlabel cget -background] \
141 $w_recentlist tag conf link \
144 set home $::env(HOME)
146 set home [exec cygpath --windows --absolute $home]
148 set home "[file normalize $home]/"
149 set hlen [string length $home]
150 foreach p $sorted_recent {
152 if {[string equal -length $hlen $home $p]} {
153 set p "~/[string range $p $hlen end]"
155 regsub -all "\n" $p "\\n" p
156 $w_recentlist insert end $p link
157 $w_recentlist insert end "\n"
160 $m_repo add command \
161 -command [cb _open_recent_path $path] \
165 $w_recentlist conf -state disabled
166 $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
167 pack $w_body.space -anchor w -fill x
168 pack $w_body.recentlabel -anchor w -fill x
169 pack $w_recentlist -anchor w -fill x
171 pack $w_body -fill x -padx 10 -pady 10
174 set w_next $w.buttons.next
175 set w_quit $w.buttons.quit
179 pack $w_quit -side right -padx 5
180 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
183 $m_repo add separator
184 $m_repo add command \
190 bind $top <Return> [cb _invoke_next]
191 bind $top <Visibility> "
195 bind $top <Visibility> {}
198 tkwait variable @done
201 eval destroy [winfo children $top]
206 if {[catch {set h $::env(HOME)}]
207 || ![file isdirectory $h]} {
214 set nx [winfo reqwidth $top]
215 set ny [winfo reqheight $top]
216 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
217 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
218 wm geometry $top [format {+%d+%d} $rx $ry]
221 method _invoke_next {} {
222 if {[winfo exists $w_next]} {
223 uplevel #0 [$w_next cget -command]
227 proc _get_recentrepos {} {
229 foreach p [get_config gui.recentrepo] {
230 if {[_is_git [file join $p .git]]} {
234 return [lsort $recent]
237 proc _unset_recentrepo {p} {
238 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
239 git config --global --unset gui.recentrepo "^$p\$"
242 proc _append_recentrepos {path} {
243 set path [file normalize $path]
244 set recent [get_config gui.recentrepo]
246 if {[lindex $recent end] eq $path} {
250 set i [lsearch $recent $path]
252 _unset_recentrepo $path
253 set recent [lreplace $recent $i $i]
257 git config --global --add gui.recentrepo $path
259 while {[llength $recent] > 10} {
260 _unset_recentrepo [lindex $recent 0]
261 set recent [lrange $recent 1 end]
265 method _open_recent {xy} {
266 set id [lindex [split [$w_recentlist index @$xy] .] 0]
267 set local_path [lindex $sorted_recent [expr {$id - 1}]]
271 method _open_recent_path {p} {
276 method _next {action} {
278 if {![winfo exists $w_next]} {
279 button $w_next -default active
280 pack $w_next -side right -padx 5 -before $w_quit
285 method _write_local_path {args} {
286 if {$local_path eq {}} {
287 $w_next conf -state disabled
289 $w_next conf -state normal
293 method _git_init {} {
294 if {[catch {file mkdir $local_path} err]} {
295 error_popup [strcat \
296 [mc "Failed to create repository %s:" $local_path] \
301 if {[catch {cd $local_path} err]} {
302 error_popup [strcat \
303 [mc "Failed to create repository %s:" $local_path] \
308 if {[catch {git init} err]} {
309 error_popup [strcat \
310 [mc "Failed to create repository %s:" $local_path] \
315 _append_recentrepos [pwd]
321 proc _is_git {path} {
322 if {[file exists [file join $path HEAD]]
323 && [file exists [file join $path objects]]
324 && [file exists [file join $path config]]} {
328 if {[file exists [file join $path HEAD]]
329 && [file exists [file join $path objects.lnk]]
330 && [file exists [file join $path config.lnk]]} {
337 proc _objdir {path} {
338 set objdir [file join $path .git objects]
339 if {[file isdirectory $objdir]} {
343 set objdir [file join $path objects]
344 if {[file isdirectory $objdir]} {
349 set objdir [file join $path .git objects.lnk]
350 if {[file isfile $objdir]} {
351 return [win32_read_lnk $objdir]
354 set objdir [file join $path objects.lnk]
355 if {[file isfile $objdir]} {
356 return [win32_read_lnk $objdir]
363 ######################################################################
365 ## Create New Repository
370 -command [cb _do_new2] \
376 -text [mc "Create New Repository"]
377 pack $w_body.h -side top -fill x -pady 10
378 pack $w_body -fill x -padx 10
381 label $w_body.where.l -text [mc "Directory:"]
382 entry $w_body.where.t \
383 -textvariable @local_path \
386 button $w_body.where.b \
387 -text [mc "Browse"] \
388 -command [cb _new_local_path]
389 set w_localpath $w_body.where.t
391 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
392 pack $w_body.where -fill x
394 trace add variable @local_path write [cb _write_local_path]
395 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
397 focus $w_body.where.t
400 method _new_local_path {} {
401 if {$local_path ne {}} {
402 set p [file dirname $local_path]
407 set p [tk_chooseDirectory \
410 -title [mc "Git Repository"] \
414 set p [file normalize $p]
419 $w_localpath icursor end
423 if {![_new_ok $local_path]} {
426 if {![_git_init $this]} {
433 if {[file isdirectory $p]} {
434 if {[_is_git [file join $p .git]]} {
435 error_popup [mc "Directory %s already exists." $p]
438 } elseif {[file exists $p]} {
439 error_popup [mc "File %s already exists." $p]
445 ######################################################################
447 ## Clone Existing Repository
449 method _do_clone {} {
452 -command [cb _do_clone2] \
458 -text [mc "Clone Existing Repository"]
459 pack $w_body.h -side top -fill x -pady 10
460 pack $w_body -fill x -padx 10
462 set args $w_body.args
464 pack $args -fill both
466 label $args.origin_l -text [mc "URL:"]
467 entry $args.origin_t \
468 -textvariable @origin_url \
471 button $args.origin_b \
472 -text [mc "Browse"] \
473 -command [cb _open_origin]
474 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
476 label $args.where_l -text [mc "Directory:"]
477 entry $args.where_t \
478 -textvariable @local_path \
481 button $args.where_b \
482 -text [mc "Browse"] \
483 -command [cb _new_local_path]
484 grid $args.where_l $args.where_t $args.where_b -sticky ew
485 set w_localpath $args.where_t
487 label $args.type_l -text [mc "Clone Type:"]
490 lappend w_types [radiobutton $args.type_f.hardlink \
493 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
494 -variable @clone_type \
496 lappend w_types [radiobutton $args.type_f.full \
499 -text [mc "Full Copy (Slower, Redundant Backup)"] \
500 -variable @clone_type \
502 lappend w_types [radiobutton $args.type_f.shared \
505 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
506 -variable @clone_type \
511 grid $args.type_l $args.type_f -sticky new
513 grid columnconfigure $args 1 -weight 1
515 trace add variable @local_path write [cb _update_clone]
516 trace add variable @origin_url write [cb _update_clone]
517 bind $w_body.h <Destroy> "
518 [list trace remove variable @local_path write [cb _update_clone]]
519 [list trace remove variable @origin_url write [cb _update_clone]]
525 method _open_origin {} {
526 if {$origin_url ne {} && [file isdirectory $origin_url]} {
532 set p [tk_chooseDirectory \
535 -title [mc "Git Repository"] \
539 set p [file normalize $p]
540 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
541 error_popup [mc "Not a Git repository: %s" [file tail $p]]
547 method _update_clone {args} {
548 if {$local_path ne {} && $origin_url ne {}} {
549 $w_next conf -state normal
551 $w_next conf -state disabled
554 if {$origin_url ne {} &&
555 ( [_is_git [file join $origin_url .git]]
556 || [_is_git $origin_url])} {
558 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
559 set clone_type hardlink
571 method _do_clone2 {} {
572 if {[file isdirectory $origin_url]} {
573 set origin_url [file normalize $origin_url]
576 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
577 error_popup [mc "Standard only available for local repository."]
580 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
581 error_popup [mc "Shared only available for local repository."]
585 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
586 set objdir [_objdir $origin_url]
588 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
593 set giturl $origin_url
594 if {[is_Cygwin] && [file isdirectory $giturl]} {
595 set giturl [exec cygpath --unix --absolute $giturl]
596 if {$clone_type eq {shared}} {
597 set objdir [exec cygpath --unix --absolute $objdir]
601 if {[file exists $local_path]} {
602 error_popup [mc "Location %s already exists." $local_path]
606 if {![_git_init $this]} return
610 git config remote.$origin_name.url $giturl
611 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
613 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
617 destroy $w_body $w_next
619 switch -exact -- $clone_type {
621 set o_cons [status_bar::two_line $w_body]
622 pack $w_body -fill x -padx 10 -pady 10
625 [mc "Counting objects"] \
629 if {[file exists [file join $objdir info alternates]]} {
632 file mkdir [gitdir objects info]
633 set f_in [open [file join $objdir info alternates] r]
634 set f_cp [open [gitdir objects info alternates] w]
635 fconfigure $f_in -translation binary -encoding binary
636 fconfigure $f_cp -translation binary -encoding binary
638 while {[gets $f_in line] >= 0} {
640 puts $f_cp [exec cygpath --unix --absolute $line]
642 puts $f_cp [file normalize $line]
650 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
659 -directory [file join $objdir] ??]
660 set bcnt [expr {[llength $buckets] + 2}]
662 $o_cons update $bcur $bcnt
665 file mkdir [file join .git objects pack]
666 foreach i [glob -tails -nocomplain \
667 -directory [file join $objdir pack] *] {
668 lappend tolink [file join pack $i]
670 $o_cons update [incr bcur] $bcnt
674 file mkdir [file join .git objects $i]
675 foreach j [glob -tails -nocomplain \
676 -directory [file join $objdir $i] *] {
677 lappend tolink [file join $i $j]
679 $o_cons update [incr bcur] $bcnt
686 [mc "Nothing to clone from %s." $origin_url] \
688 [mc "The 'master' branch has not been initialized."] \
695 set i [lindex $tolink 0]
698 [file join .git objects $i] \
699 [file join $objdir $i]
701 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
702 set i [_copy_files $this $objdir $tolink]
704 set i [_link_files $this $objdir [lrange $tolink 1 end]]
711 set o_cons [console::embed \
713 [mc "Cloning from %s" $origin_url]]
714 pack $w_body -fill both -expand 1 -padx 10
716 [list git fetch --no-tags -k $origin_name] \
720 set fd [open [gitdir objects info alternates] w]
721 fconfigure $fd -translation binary
727 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
728 if {![_clone_refs $this]} return
732 set HEAD [git rev-parse --verify HEAD^0]
734 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
738 _do_clone_checkout $this $HEAD
742 method _copy_files {objdir tocopy} {
744 [mc "Copying objects"] \
749 incr tot [file size [file join $objdir $p]]
753 set f_in [open [file join $objdir $p] r]
754 set f_cp [open [file join .git objects $p] w]
755 fconfigure $f_in -translation binary -encoding binary
756 fconfigure $f_cp -translation binary -encoding binary
758 while {![eof $f_in]} {
759 incr cmp [fcopy $f_in $f_cp -size 16384]
761 [expr {$cmp / 1024}] \
769 _clone_failed $this [mc "Unable to copy object: %s" $err]
776 method _link_files {objdir tolink} {
777 set total [llength $tolink]
779 [mc "Linking objects"] \
781 for {set i 0} {$i < $total} {} {
782 set p [lindex $tolink $i]
785 [file join .git objects $p] \
786 [file join $objdir $p]
788 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
794 $o_cons update $i $total
801 method _clone_refs {} {
803 if {[catch {cd $origin_url} err]} {
804 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
807 set fd_in [git_read for-each-ref \
809 {--format=list %(refname) %(objectname) %(*objectname)}]
812 set fd [open [gitdir packed-refs] w]
813 fconfigure $fd -translation binary
814 puts $fd "# pack-refs with: peeled"
815 while {[gets $fd_in line] >= 0} {
816 set line [eval $line]
817 set refn [lindex $line 0]
818 set robj [lindex $line 1]
819 set tobj [lindex $line 2]
821 if {[regsub ^refs/heads/ $refn \
822 "refs/remotes/$origin_name/" refn]} {
823 puts $fd "$robj $refn"
824 } elseif {[string match refs/tags/* $refn]} {
825 puts $fd "$robj $refn"
836 method _do_clone_tags {ok} {
839 [list git fetch --tags -k $origin_name] \
843 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
847 method _do_clone_HEAD {ok} {
850 [list git fetch $origin_name HEAD] \
851 [cb _do_clone_full_end]
854 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
858 method _do_clone_full_end {ok} {
865 if {[file exists [gitdir FETCH_HEAD]]} {
866 set fd [open [gitdir FETCH_HEAD] r]
867 while {[gets $fd line] >= 0} {
868 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
875 catch {git pack-refs}
876 _do_clone_checkout $this $HEAD
878 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
882 method _clone_failed {{why {}}} {
883 if {[catch {file delete -force $local_path} err]} {
887 [mc "Unable to cleanup %s" $local_path] \
893 error_popup [strcat [mc "Clone failed."] "\n" $why]
897 method _do_clone_checkout {HEAD} {
900 [mc "No default branch obtained."] \
902 [mc "The 'master' branch has not been initialized."] \
908 git update-ref HEAD $HEAD^0
911 [mc "Cannot resolve %s as a commit." $HEAD^0] \
914 [mc "The 'master' branch has not been initialized."] \
920 set o_cons [status_bar::two_line $w_body]
921 pack $w_body -fill x -padx 10 -pady 10
923 [mc "Creating working directory"] \
927 set fd [git_read --stderr read-tree \
934 fconfigure $fd -blocking 0 -translation binary
935 fileevent $fd readable [cb _readtree_wait $fd]
938 method _readtree_wait {fd} {
940 $o_cons update_meter $buf
941 append readtree_err $buf
943 fconfigure $fd -blocking 1
945 fconfigure $fd -blocking 0
949 if {[catch {close $fd}]} {
950 set err $readtree_err
951 regsub {^fatal: } $err {} err
952 error_popup [strcat \
953 [mc "Initial file checkout failed."] \
961 ######################################################################
963 ## Open Existing Repository
968 -command [cb _do_open2] \
974 -text [mc "Open Existing Repository"]
975 pack $w_body.h -side top -fill x -pady 10
976 pack $w_body -fill x -padx 10
979 label $w_body.where.l -text [mc "Repository:"]
980 entry $w_body.where.t \
981 -textvariable @local_path \
984 button $w_body.where.b \
985 -text [mc "Browse"] \
986 -command [cb _open_local_path]
988 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
989 pack $w_body.where -fill x
991 trace add variable @local_path write [cb _write_local_path]
992 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
994 focus $w_body.where.t
997 method _open_local_path {} {
998 if {$local_path ne {}} {
1004 set p [tk_chooseDirectory \
1007 -title [mc "Git Repository"] \
1009 if {$p eq {}} return
1011 set p [file normalize $p]
1012 if {![_is_git [file join $p .git]]} {
1013 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1019 method _do_open2 {} {
1020 if {![_is_git [file join $local_path .git]]} {
1021 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1025 if {[catch {cd $local_path} err]} {
1026 error_popup [strcat \
1027 [mc "Failed to open repository %s:" $local_path] \
1032 _append_recentrepos [pwd]