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]] \
46 $w.mbar.apple add command \
47 -label [mc "Show SSH Key"] \
50 $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
52 $w.mbar.help add command \
53 -label [mc "About %s" [appname]] \
55 $w.mbar.help add command \
56 -label [mc "Show SSH Key"] \
60 wm protocol $top WM_DELETE_WINDOW exit
61 bind $top <$M1B-q> exit
62 bind $top <$M1B-Q> exit
63 bind $top <Key-Escape> exit
65 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
66 bind $top <Key-Escape> [list destroy $top]
70 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
73 set opts $w_body.options
76 -cursor $::cursor_ptr \
78 -background [$w_body cget -background] \
83 pack $opts -anchor w -fill x
85 $opts tag conf link_new -foreground blue -underline 1
86 $opts tag bind link_new <1> [cb _next new]
87 $opts insert end [mc "Create New Repository"] link_new
91 -command [cb _next new] \
94 bind $top <$M1B-n> [cb _next new]
95 bind $top <$M1B-N> [cb _next new]
98 $opts tag conf link_clone -foreground blue -underline 1
99 $opts tag bind link_clone <1> [cb _next clone]
100 $opts insert end [mc "Clone Existing Repository"] link_clone
101 $opts insert end "\n"
103 $m_repo add command \
104 -command [cb _next clone] \
105 -accelerator $M1T-C \
106 -label [mc "Clone..."]
107 bind $top <$M1B-c> [cb _next clone]
108 bind $top <$M1B-C> [cb _next clone]
111 $opts tag conf link_open -foreground blue -underline 1
112 $opts tag bind link_open <1> [cb _next open]
113 $opts insert end [mc "Open Existing Repository"] link_open
114 $opts insert end "\n"
116 $m_repo add command \
117 -command [cb _next open] \
118 -accelerator $M1T-O \
119 -label [mc "Open..."]
120 bind $top <$M1B-o> [cb _next open]
121 bind $top <$M1B-O> [cb _next open]
124 $opts conf -state disabled
126 set sorted_recent [_get_recentrepos]
127 if {[llength $sorted_recent] > 0} {
129 $m_repo add separator
130 $m_repo add command \
132 -label [mc "Recent Repositories"]
136 label $w_body.recentlabel \
138 -text [mc "Open Recent Repository:"]
139 set w_recentlist $w_body.recentlist
141 -cursor $::cursor_ptr \
143 -background [$w_body.recentlabel cget -background] \
147 $w_recentlist tag conf link \
150 set home $::env(HOME)
152 set home [exec cygpath --windows --absolute $home]
154 set home "[file normalize $home]/"
155 set hlen [string length $home]
156 foreach p $sorted_recent {
158 if {[string equal -length $hlen $home $p]} {
159 set p "~/[string range $p $hlen end]"
161 regsub -all "\n" $p "\\n" p
162 $w_recentlist insert end $p link
163 $w_recentlist insert end "\n"
166 $m_repo add command \
167 -command [cb _open_recent_path $path] \
171 $w_recentlist conf -state disabled
172 $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
173 pack $w_body.space -anchor w -fill x
174 pack $w_body.recentlabel -anchor w -fill x
175 pack $w_recentlist -anchor w -fill x
177 pack $w_body -fill x -padx 10 -pady 10
180 set w_next $w.buttons.next
181 set w_quit $w.buttons.quit
185 pack $w_quit -side right -padx 5
186 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
189 $m_repo add separator
190 $m_repo add command \
196 bind $top <Return> [cb _invoke_next]
197 bind $top <Visibility> "
201 bind $top <Visibility> {}
204 tkwait variable @done
207 eval destroy [winfo children $top]
212 if {[catch {set h $::env(HOME)}]
213 || ![file isdirectory $h]} {
220 set nx [winfo reqwidth $top]
221 set ny [winfo reqheight $top]
222 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
223 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
224 wm geometry $top [format {+%d+%d} $rx $ry]
227 method _invoke_next {} {
228 if {[winfo exists $w_next]} {
229 uplevel #0 [$w_next cget -command]
233 proc _get_recentrepos {} {
235 foreach p [get_config gui.recentrepo] {
236 if {[_is_git [file join $p .git]]} {
240 return [lsort $recent]
243 proc _unset_recentrepo {p} {
244 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
245 git config --global --unset gui.recentrepo "^$p\$"
248 proc _append_recentrepos {path} {
249 set path [file normalize $path]
250 set recent [get_config gui.recentrepo]
252 if {[lindex $recent end] eq $path} {
256 set i [lsearch $recent $path]
258 _unset_recentrepo $path
259 set recent [lreplace $recent $i $i]
263 git config --global --add gui.recentrepo $path
265 while {[llength $recent] > 10} {
266 _unset_recentrepo [lindex $recent 0]
267 set recent [lrange $recent 1 end]
271 method _open_recent {xy} {
272 set id [lindex [split [$w_recentlist index @$xy] .] 0]
273 set local_path [lindex $sorted_recent [expr {$id - 1}]]
277 method _open_recent_path {p} {
282 method _next {action} {
284 if {![winfo exists $w_next]} {
285 button $w_next -default active
286 pack $w_next -side right -padx 5 -before $w_quit
291 method _write_local_path {args} {
292 if {$local_path eq {}} {
293 $w_next conf -state disabled
295 $w_next conf -state normal
299 method _git_init {} {
300 if {[catch {file mkdir $local_path} err]} {
301 error_popup [strcat \
302 [mc "Failed to create repository %s:" $local_path] \
307 if {[catch {cd $local_path} err]} {
308 error_popup [strcat \
309 [mc "Failed to create repository %s:" $local_path] \
314 if {[catch {git init} err]} {
315 error_popup [strcat \
316 [mc "Failed to create repository %s:" $local_path] \
321 _append_recentrepos [pwd]
327 proc _is_git {path} {
328 if {[file exists [file join $path HEAD]]
329 && [file exists [file join $path objects]]
330 && [file exists [file join $path config]]} {
334 if {[file exists [file join $path HEAD]]
335 && [file exists [file join $path objects.lnk]]
336 && [file exists [file join $path config.lnk]]} {
343 proc _objdir {path} {
344 set objdir [file join $path .git objects]
345 if {[file isdirectory $objdir]} {
349 set objdir [file join $path objects]
350 if {[file isdirectory $objdir]} {
355 set objdir [file join $path .git objects.lnk]
356 if {[file isfile $objdir]} {
357 return [win32_read_lnk $objdir]
360 set objdir [file join $path objects.lnk]
361 if {[file isfile $objdir]} {
362 return [win32_read_lnk $objdir]
369 ######################################################################
371 ## Create New Repository
376 -command [cb _do_new2] \
382 -text [mc "Create New Repository"]
383 pack $w_body.h -side top -fill x -pady 10
384 pack $w_body -fill x -padx 10
387 label $w_body.where.l -text [mc "Directory:"]
388 entry $w_body.where.t \
389 -textvariable @local_path \
393 button $w_body.where.b \
394 -text [mc "Browse"] \
395 -command [cb _new_local_path]
396 set w_localpath $w_body.where.t
398 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
399 pack $w_body.where -fill x
401 trace add variable @local_path write [cb _write_local_path]
402 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
404 focus $w_body.where.t
407 method _new_local_path {} {
408 if {$local_path ne {}} {
409 set p [file dirname $local_path]
414 set p [tk_chooseDirectory \
417 -title [mc "Git Repository"] \
421 set p [file normalize $p]
426 $w_localpath icursor end
430 if {![_new_ok $local_path]} {
433 if {![_git_init $this]} {
440 if {[file isdirectory $p]} {
441 if {[_is_git [file join $p .git]]} {
442 error_popup [mc "Directory %s already exists." $p]
445 } elseif {[file exists $p]} {
446 error_popup [mc "File %s already exists." $p]
452 ######################################################################
454 ## Clone Existing Repository
456 method _do_clone {} {
459 -command [cb _do_clone2] \
465 -text [mc "Clone Existing Repository"]
466 pack $w_body.h -side top -fill x -pady 10
467 pack $w_body -fill x -padx 10
469 set args $w_body.args
471 pack $args -fill both
473 label $args.origin_l -text [mc "Source Location:"]
474 entry $args.origin_t \
475 -textvariable @origin_url \
479 button $args.origin_b \
480 -text [mc "Browse"] \
481 -command [cb _open_origin]
482 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
484 label $args.where_l -text [mc "Target Directory:"]
485 entry $args.where_t \
486 -textvariable @local_path \
490 button $args.where_b \
491 -text [mc "Browse"] \
492 -command [cb _new_local_path]
493 grid $args.where_l $args.where_t $args.where_b -sticky ew
494 set w_localpath $args.where_t
496 label $args.type_l -text [mc "Clone Type:"]
499 lappend w_types [radiobutton $args.type_f.hardlink \
502 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
503 -variable @clone_type \
505 lappend w_types [radiobutton $args.type_f.full \
508 -text [mc "Full Copy (Slower, Redundant Backup)"] \
509 -variable @clone_type \
511 lappend w_types [radiobutton $args.type_f.shared \
514 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
515 -variable @clone_type \
520 grid $args.type_l $args.type_f -sticky new
522 grid columnconfigure $args 1 -weight 1
524 trace add variable @local_path write [cb _update_clone]
525 trace add variable @origin_url write [cb _update_clone]
526 bind $w_body.h <Destroy> "
527 [list trace remove variable @local_path write [cb _update_clone]]
528 [list trace remove variable @origin_url write [cb _update_clone]]
534 method _open_origin {} {
535 if {$origin_url ne {} && [file isdirectory $origin_url]} {
541 set p [tk_chooseDirectory \
544 -title [mc "Git Repository"] \
548 set p [file normalize $p]
549 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
550 error_popup [mc "Not a Git repository: %s" [file tail $p]]
556 method _update_clone {args} {
557 if {$local_path ne {} && $origin_url ne {}} {
558 $w_next conf -state normal
560 $w_next conf -state disabled
563 if {$origin_url ne {} &&
564 ( [_is_git [file join $origin_url .git]]
565 || [_is_git $origin_url])} {
567 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
568 set clone_type hardlink
580 method _do_clone2 {} {
581 if {[file isdirectory $origin_url]} {
582 set origin_url [file normalize $origin_url]
585 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
586 error_popup [mc "Standard only available for local repository."]
589 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
590 error_popup [mc "Shared only available for local repository."]
594 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
595 set objdir [_objdir $origin_url]
597 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
602 set giturl $origin_url
603 if {[is_Cygwin] && [file isdirectory $giturl]} {
604 set giturl [exec cygpath --unix --absolute $giturl]
605 if {$clone_type eq {shared}} {
606 set objdir [exec cygpath --unix --absolute $objdir]
610 if {[file exists $local_path]} {
611 error_popup [mc "Location %s already exists." $local_path]
615 if {![_git_init $this]} return
619 git config remote.$origin_name.url $giturl
620 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
622 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
626 destroy $w_body $w_next
628 switch -exact -- $clone_type {
630 set o_cons [status_bar::two_line $w_body]
631 pack $w_body -fill x -padx 10 -pady 10
634 [mc "Counting objects"] \
638 if {[file exists [file join $objdir info alternates]]} {
641 file mkdir [gitdir objects info]
642 set f_in [open [file join $objdir info alternates] r]
643 set f_cp [open [gitdir objects info alternates] w]
644 fconfigure $f_in -translation binary -encoding binary
645 fconfigure $f_cp -translation binary -encoding binary
647 while {[gets $f_in line] >= 0} {
649 puts $f_cp [exec cygpath --unix --absolute $line]
651 puts $f_cp [file normalize $line]
659 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
668 -directory [file join $objdir] ??]
669 set bcnt [expr {[llength $buckets] + 2}]
671 $o_cons update $bcur $bcnt
674 file mkdir [file join .git objects pack]
675 foreach i [glob -tails -nocomplain \
676 -directory [file join $objdir pack] *] {
677 lappend tolink [file join pack $i]
679 $o_cons update [incr bcur] $bcnt
683 file mkdir [file join .git objects $i]
684 foreach j [glob -tails -nocomplain \
685 -directory [file join $objdir $i] *] {
686 lappend tolink [file join $i $j]
688 $o_cons update [incr bcur] $bcnt
695 [mc "Nothing to clone from %s." $origin_url] \
697 [mc "The 'master' branch has not been initialized."] \
704 set i [lindex $tolink 0]
707 [file join .git objects $i] \
708 [file join $objdir $i]
710 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
711 set i [_copy_files $this $objdir $tolink]
713 set i [_link_files $this $objdir [lrange $tolink 1 end]]
720 set o_cons [console::embed \
722 [mc "Cloning from %s" $origin_url]]
723 pack $w_body -fill both -expand 1 -padx 10
725 [list git fetch --no-tags -k $origin_name] \
729 set fd [open [gitdir objects info alternates] w]
730 fconfigure $fd -translation binary
736 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
737 if {![_clone_refs $this]} return
741 set HEAD [git rev-parse --verify HEAD^0]
743 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
747 _do_clone_checkout $this $HEAD
751 method _copy_files {objdir tocopy} {
753 [mc "Copying objects"] \
758 incr tot [file size [file join $objdir $p]]
762 set f_in [open [file join $objdir $p] r]
763 set f_cp [open [file join .git objects $p] w]
764 fconfigure $f_in -translation binary -encoding binary
765 fconfigure $f_cp -translation binary -encoding binary
767 while {![eof $f_in]} {
768 incr cmp [fcopy $f_in $f_cp -size 16384]
770 [expr {$cmp / 1024}] \
778 _clone_failed $this [mc "Unable to copy object: %s" $err]
785 method _link_files {objdir tolink} {
786 set total [llength $tolink]
788 [mc "Linking objects"] \
790 for {set i 0} {$i < $total} {} {
791 set p [lindex $tolink $i]
794 [file join .git objects $p] \
795 [file join $objdir $p]
797 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
803 $o_cons update $i $total
810 method _clone_refs {} {
812 if {[catch {cd $origin_url} err]} {
813 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
816 set fd_in [git_read for-each-ref \
818 {--format=list %(refname) %(objectname) %(*objectname)}]
821 set fd [open [gitdir packed-refs] w]
822 fconfigure $fd -translation binary
823 puts $fd "# pack-refs with: peeled"
824 while {[gets $fd_in line] >= 0} {
825 set line [eval $line]
826 set refn [lindex $line 0]
827 set robj [lindex $line 1]
828 set tobj [lindex $line 2]
830 if {[regsub ^refs/heads/ $refn \
831 "refs/remotes/$origin_name/" refn]} {
832 puts $fd "$robj $refn"
833 } elseif {[string match refs/tags/* $refn]} {
834 puts $fd "$robj $refn"
845 method _do_clone_tags {ok} {
848 [list git fetch --tags -k $origin_name] \
852 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
856 method _do_clone_HEAD {ok} {
859 [list git fetch $origin_name HEAD] \
860 [cb _do_clone_full_end]
863 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
867 method _do_clone_full_end {ok} {
874 if {[file exists [gitdir FETCH_HEAD]]} {
875 set fd [open [gitdir FETCH_HEAD] r]
876 while {[gets $fd line] >= 0} {
877 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
884 catch {git pack-refs}
885 _do_clone_checkout $this $HEAD
887 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
891 method _clone_failed {{why {}}} {
892 if {[catch {file delete -force $local_path} err]} {
896 [mc "Unable to cleanup %s" $local_path] \
902 error_popup [strcat [mc "Clone failed."] "\n" $why]
906 method _do_clone_checkout {HEAD} {
909 [mc "No default branch obtained."] \
911 [mc "The 'master' branch has not been initialized."] \
917 git update-ref HEAD $HEAD^0
920 [mc "Cannot resolve %s as a commit." $HEAD^0] \
923 [mc "The 'master' branch has not been initialized."] \
929 set o_cons [status_bar::two_line $w_body]
930 pack $w_body -fill x -padx 10 -pady 10
932 [mc "Creating working directory"] \
936 set fd [git_read --stderr read-tree \
943 fconfigure $fd -blocking 0 -translation binary
944 fileevent $fd readable [cb _readtree_wait $fd]
947 method _readtree_wait {fd} {
949 $o_cons update_meter $buf
950 append readtree_err $buf
952 fconfigure $fd -blocking 1
954 fconfigure $fd -blocking 0
958 if {[catch {close $fd}]} {
959 set err $readtree_err
960 regsub {^fatal: } $err {} err
961 error_popup [strcat \
962 [mc "Initial file checkout failed."] \
970 ######################################################################
972 ## Open Existing Repository
977 -command [cb _do_open2] \
983 -text [mc "Open Existing Repository"]
984 pack $w_body.h -side top -fill x -pady 10
985 pack $w_body -fill x -padx 10
988 label $w_body.where.l -text [mc "Repository:"]
989 entry $w_body.where.t \
990 -textvariable @local_path \
994 button $w_body.where.b \
995 -text [mc "Browse"] \
996 -command [cb _open_local_path]
998 grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
999 pack $w_body.where -fill x
1001 trace add variable @local_path write [cb _write_local_path]
1002 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
1004 focus $w_body.where.t
1007 method _open_local_path {} {
1008 if {$local_path ne {}} {
1014 set p [tk_chooseDirectory \
1017 -title [mc "Git Repository"] \
1019 if {$p eq {}} return
1021 set p [file normalize $p]
1022 if {![_is_git [file join $p .git]]} {
1023 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1029 method _do_open2 {} {
1030 if {![_is_git [file join $local_path .git]]} {
1031 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1035 if {[catch {cd $local_path} err]} {
1036 error_popup [strcat \
1037 [mc "Failed to open repository %s:" $local_path] \
1042 _append_recentrepos [pwd]