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
15 field done 0 ; # Finished picking the repository?
16 field local_path {} ; # Where this repository is locally
17 field origin_url {} ; # Where we are cloning from
18 field origin_name origin ; # What we shall call 'origin'
19 field clone_type hardlink ; # Type of clone to construct
20 field readtree_err ; # Error output from read-tree (if any)
21 field sorted_recent ; # recent repositories (sorted)
27 wm title $top [mc "Git Gui"]
30 menu $w.mbar -tearoff 0
31 $top configure -menu $w.mbar
33 set m_repo $w.mbar.repository
35 -label [mc Repository] \
40 $w.mbar add cascade -label [mc Apple] -menu .mbar.apple
42 $w.mbar.apple add command \
43 -label [mc "About %s" [appname]] \
46 $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
48 $w.mbar.help add command \
49 -label [mc "About %s" [appname]] \
53 wm protocol $top WM_DELETE_WINDOW exit
54 bind $top <$M1B-q> exit
55 bind $top <$M1B-Q> exit
56 bind $top <Key-Escape> exit
58 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
59 bind $top <Key-Escape> [list destroy $top]
63 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
66 set opts $w_body.options
69 -cursor $::cursor_ptr \
71 -background [$w_body cget -background] \
76 pack $opts -anchor w -fill x
78 $opts tag conf link_new -foreground blue -underline 1
79 $opts tag bind link_new <1> [cb _next new]
80 $opts insert end [mc "Create New Repository"] link_new
84 -command [cb _next new] \
87 bind $top <$M1B-n> [cb _next new]
88 bind $top <$M1B-N> [cb _next new]
91 $opts tag conf link_clone -foreground blue -underline 1
92 $opts tag bind link_clone <1> [cb _next clone]
93 $opts insert end [mc "Clone Existing Repository"] link_clone
97 -command [cb _next clone] \
99 -label [mc "Clone..."]
100 bind $top <$M1B-c> [cb _next clone]
101 bind $top <$M1B-C> [cb _next clone]
104 $opts tag conf link_open -foreground blue -underline 1
105 $opts tag bind link_open <1> [cb _next open]
106 $opts insert end [mc "Open Existing Repository"] link_open
107 $opts insert end "\n"
109 $m_repo add command \
110 -command [cb _next open] \
111 -accelerator $M1T-O \
112 -label [mc "Open..."]
113 bind $top <$M1B-o> [cb _next open]
114 bind $top <$M1B-O> [cb _next open]
117 $opts conf -state disabled
119 set sorted_recent [_get_recentrepos]
120 if {[llength $sorted_recent] > 0} {
122 $m_repo add separator
123 $m_repo add command \
125 -label [mc "Recent Repositories"]
129 label $w_body.recentlabel \
131 -text [mc "Open Recent Repository:"]
132 set w_recentlist $w_body.recentlist
134 -cursor $::cursor_ptr \
136 -background [$w_body.recentlabel cget -background] \
140 $w_recentlist tag conf link \
143 set home $::env(HOME)
145 set home [exec cygpath --windows --absolute $home]
147 set home "[file normalize $home]/"
148 set hlen [string length $home]
149 foreach p $sorted_recent {
151 if {[string equal -length $hlen $home $p]} {
152 set p "~/[string range $p $hlen end]"
154 regsub -all "\n" $p "\\n" p
155 $w_recentlist insert end $p link
156 $w_recentlist insert end "\n"
159 $m_repo add command \
160 -command [cb _open_recent_path $path] \
164 $w_recentlist conf -state disabled
165 $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
166 pack $w_body.space -anchor w -fill x
167 pack $w_body.recentlabel -anchor w -fill x
168 pack $w_recentlist -anchor w -fill x
170 pack $w_body -fill x -padx 10 -pady 10
173 set w_next $w.buttons.next
174 set w_quit $w.buttons.quit
178 pack $w_quit -side right -padx 5
179 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
182 $m_repo add separator
183 $m_repo add command \
189 bind $top <Return> [cb _invoke_next]
190 bind $top <Visibility> "
194 bind $top <Visibility> {}
197 tkwait variable @done
200 eval destroy [winfo children $top]
205 if {[catch {set h $::env(HOME)}]
206 || ![file isdirectory $h]} {
213 set nx [winfo reqwidth $top]
214 set ny [winfo reqheight $top]
215 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
216 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
217 wm geometry $top [format {+%d+%d} $rx $ry]
220 method _invoke_next {} {
221 if {[winfo exists $w_next]} {
222 uplevel #0 [$w_next cget -command]
226 proc _get_recentrepos {} {
228 foreach p [get_config gui.recentrepo] {
229 if {[_is_git [file join $p .git]]} {
233 return [lsort $recent]
236 proc _unset_recentrepo {p} {
237 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
238 git config --global --unset gui.recentrepo "^$p\$"
241 proc _append_recentrepos {path} {
242 set path [file normalize $path]
243 set recent [get_config gui.recentrepo]
245 if {[lindex $recent end] eq $path} {
249 set i [lsearch $recent $path]
251 _unset_recentrepo $path
252 set recent [lreplace $recent $i $i]
256 git config --global --add gui.recentrepo $path
258 while {[llength $recent] > 10} {
259 _unset_recentrepo [lindex $recent 0]
260 set recent [lrange $recent 1 end]
264 method _open_recent {xy} {
265 set id [lindex [split [$w_recentlist index @$xy] .] 0]
266 set local_path [lindex $sorted_recent [expr {$id - 1}]]
270 method _open_recent_path {p} {
275 method _next {action} {
277 if {![winfo exists $w_next]} {
278 button $w_next -default active
279 pack $w_next -side right -padx 5 -before $w_quit
284 method _write_local_path {args} {
285 if {$local_path eq {}} {
286 $w_next conf -state disabled
288 $w_next conf -state normal
292 method _git_init {} {
293 if {[catch {file mkdir $local_path} err]} {
294 error_popup [strcat \
295 [mc "Failed to create repository %s:" $local_path] \
300 if {[catch {cd $local_path} err]} {
301 error_popup [strcat \
302 [mc "Failed to create repository %s:" $local_path] \
307 if {[catch {git init} err]} {
308 error_popup [strcat \
309 [mc "Failed to create repository %s:" $local_path] \
314 _append_recentrepos [pwd]
320 proc _is_git {path} {
321 if {[file exists [file join $path HEAD]]
322 && [file exists [file join $path objects]]
323 && [file exists [file join $path config]]} {
327 if {[file exists [file join $path HEAD]]
328 && [file exists [file join $path objects.lnk]]
329 && [file exists [file join $path config.lnk]]} {
336 proc _objdir {path} {
337 set objdir [file join $path .git objects]
338 if {[file isdirectory $objdir]} {
342 set objdir [file join $path objects]
343 if {[file isdirectory $objdir]} {
348 set objdir [file join $path .git objects.lnk]
349 if {[file isfile $objdir]} {
350 return [win32_read_lnk $objdir]
353 set objdir [file join $path objects.lnk]
354 if {[file isfile $objdir]} {
355 return [win32_read_lnk $objdir]
362 ######################################################################
364 ## Create New Repository
369 -command [cb _do_new2] \
375 -text [mc "Create New Repository"]
376 pack $w_body.h -side top -fill x -pady 10
377 pack $w_body -fill x -padx 10
380 label $w_body.where.l -text [mc "Directory:"]
381 entry $w_body.where.t \
382 -textvariable @local_path \
385 button $w_body.where.b \
386 -text [mc "Browse"] \
387 -command [cb _new_local_path]
389 pack $w_body.where.b -side right
390 pack $w_body.where.l -side left
391 pack $w_body.where.t -fill x
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]
422 if {![_new_ok $local_path]} {
425 if {![_git_init $this]} {
432 if {[file isdirectory $p]} {
433 if {[_is_git [file join $p .git]]} {
434 error_popup [mc "Directory %s already exists." $p]
437 } elseif {[file exists $p]} {
438 error_popup [mc "File %s already exists." $p]
444 ######################################################################
446 ## Clone Existing Repository
448 method _do_clone {} {
451 -command [cb _do_clone2] \
457 -text [mc "Clone Existing Repository"]
458 pack $w_body.h -side top -fill x -pady 10
459 pack $w_body -fill x -padx 10
461 set args $w_body.args
463 pack $args -fill both
465 label $args.origin_l -text [mc "URL:"]
466 entry $args.origin_t \
467 -textvariable @origin_url \
470 button $args.origin_b \
471 -text [mc "Browse"] \
472 -command [cb _open_origin]
473 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
475 label $args.where_l -text [mc "Directory:"]
476 entry $args.where_t \
477 -textvariable @local_path \
480 button $args.where_b \
481 -text [mc "Browse"] \
482 -command [cb _new_local_path]
483 grid $args.where_l $args.where_t $args.where_b -sticky ew
485 label $args.type_l -text [mc "Clone Type:"]
488 lappend w_types [radiobutton $args.type_f.hardlink \
491 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
492 -variable @clone_type \
494 lappend w_types [radiobutton $args.type_f.full \
497 -text [mc "Full Copy (Slower, Redundant Backup)"] \
498 -variable @clone_type \
500 lappend w_types [radiobutton $args.type_f.shared \
503 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
504 -variable @clone_type \
509 grid $args.type_l $args.type_f -sticky new
511 grid columnconfigure $args 1 -weight 1
513 trace add variable @local_path write [cb _update_clone]
514 trace add variable @origin_url write [cb _update_clone]
515 bind $w_body.h <Destroy> "
516 [list trace remove variable @local_path write [cb _update_clone]]
517 [list trace remove variable @origin_url write [cb _update_clone]]
523 method _open_origin {} {
524 if {$origin_url ne {} && [file isdirectory $origin_url]} {
530 set p [tk_chooseDirectory \
533 -title [mc "Git Repository"] \
537 set p [file normalize $p]
538 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
539 error_popup [mc "Not a Git repository: %s" [file tail $p]]
545 method _update_clone {args} {
546 if {$local_path ne {} && $origin_url ne {}} {
547 $w_next conf -state normal
549 $w_next conf -state disabled
552 if {$origin_url ne {} &&
553 ( [_is_git [file join $origin_url .git]]
554 || [_is_git $origin_url])} {
556 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
557 set clone_type hardlink
569 method _do_clone2 {} {
570 if {[file isdirectory $origin_url]} {
571 set origin_url [file normalize $origin_url]
574 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
575 error_popup [mc "Standard only available for local repository."]
578 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
579 error_popup [mc "Shared only available for local repository."]
583 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
584 set objdir [_objdir $origin_url]
586 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
591 set giturl $origin_url
592 if {[is_Cygwin] && [file isdirectory $giturl]} {
593 set giturl [exec cygpath --unix --absolute $giturl]
594 if {$clone_type eq {shared}} {
595 set objdir [exec cygpath --unix --absolute $objdir]
599 if {[file exists $local_path]} {
600 error_popup [mc "Location %s already exists." $local_path]
604 if {![_git_init $this]} return
608 git config remote.$origin_name.url $giturl
609 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
611 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
615 destroy $w_body $w_next
617 switch -exact -- $clone_type {
619 set o_cons [status_bar::two_line $w_body]
620 pack $w_body -fill x -padx 10 -pady 10
623 [mc "Counting objects"] \
627 if {[file exists [file join $objdir info alternates]]} {
630 file mkdir [gitdir objects info]
631 set f_in [open [file join $objdir info alternates] r]
632 set f_cp [open [gitdir objects info alternates] w]
633 fconfigure $f_in -translation binary -encoding binary
634 fconfigure $f_cp -translation binary -encoding binary
636 while {[gets $f_in line] >= 0} {
638 puts $f_cp [exec cygpath --unix --absolute $line]
640 puts $f_cp [file normalize $line]
648 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
657 -directory [file join $objdir] ??]
658 set bcnt [expr {[llength $buckets] + 2}]
660 $o_cons update $bcur $bcnt
663 file mkdir [file join .git objects pack]
664 foreach i [glob -tails -nocomplain \
665 -directory [file join $objdir pack] *] {
666 lappend tolink [file join pack $i]
668 $o_cons update [incr bcur] $bcnt
672 file mkdir [file join .git objects $i]
673 foreach j [glob -tails -nocomplain \
674 -directory [file join $objdir $i] *] {
675 lappend tolink [file join $i $j]
677 $o_cons update [incr bcur] $bcnt
684 [mc "Nothing to clone from %s." $origin_url] \
686 [mc "The 'master' branch has not been initialized."] \
693 set i [lindex $tolink 0]
696 [file join .git objects $i] \
697 [file join $objdir $i]
699 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
700 set i [_copy_files $this $objdir $tolink]
702 set i [_link_files $this $objdir [lrange $tolink 1 end]]
709 set o_cons [console::embed \
711 [mc "Cloning from %s" $origin_url]]
712 pack $w_body -fill both -expand 1 -padx 10
714 [list git fetch --no-tags -k $origin_name] \
718 set fd [open [gitdir objects info alternates] w]
719 fconfigure $fd -translation binary
725 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
726 if {![_clone_refs $this]} return
730 set HEAD [git rev-parse --verify HEAD^0]
732 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
736 _do_clone_checkout $this $HEAD
740 method _copy_files {objdir tocopy} {
742 [mc "Copying objects"] \
747 incr tot [file size [file join $objdir $p]]
751 set f_in [open [file join $objdir $p] r]
752 set f_cp [open [file join .git objects $p] w]
753 fconfigure $f_in -translation binary -encoding binary
754 fconfigure $f_cp -translation binary -encoding binary
756 while {![eof $f_in]} {
757 incr cmp [fcopy $f_in $f_cp -size 16384]
759 [expr {$cmp / 1024}] \
767 _clone_failed $this [mc "Unable to copy object: %s" $err]
774 method _link_files {objdir tolink} {
775 set total [llength $tolink]
777 [mc "Linking objects"] \
779 for {set i 0} {$i < $total} {} {
780 set p [lindex $tolink $i]
783 [file join .git objects $p] \
784 [file join $objdir $p]
786 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
792 $o_cons update $i $total
799 method _clone_refs {} {
801 if {[catch {cd $origin_url} err]} {
802 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
805 set fd_in [git_read for-each-ref \
807 {--format=list %(refname) %(objectname) %(*objectname)}]
810 set fd [open [gitdir packed-refs] w]
811 fconfigure $fd -translation binary
812 puts $fd "# pack-refs with: peeled"
813 while {[gets $fd_in line] >= 0} {
814 set line [eval $line]
815 set refn [lindex $line 0]
816 set robj [lindex $line 1]
817 set tobj [lindex $line 2]
819 if {[regsub ^refs/heads/ $refn \
820 "refs/remotes/$origin_name/" refn]} {
821 puts $fd "$robj $refn"
822 } elseif {[string match refs/tags/* $refn]} {
823 puts $fd "$robj $refn"
834 method _do_clone_tags {ok} {
837 [list git fetch --tags -k $origin_name] \
841 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
845 method _do_clone_HEAD {ok} {
848 [list git fetch $origin_name HEAD] \
849 [cb _do_clone_full_end]
852 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
856 method _do_clone_full_end {ok} {
863 if {[file exists [gitdir FETCH_HEAD]]} {
864 set fd [open [gitdir FETCH_HEAD] r]
865 while {[gets $fd line] >= 0} {
866 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
873 catch {git pack-refs}
874 _do_clone_checkout $this $HEAD
876 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
880 method _clone_failed {{why {}}} {
881 if {[catch {file delete -force $local_path} err]} {
885 [mc "Unable to cleanup %s" $local_path] \
891 error_popup [strcat [mc "Clone failed."] "\n" $why]
895 method _do_clone_checkout {HEAD} {
898 [mc "No default branch obtained."] \
900 [mc "The 'master' branch has not been initialized."] \
906 git update-ref HEAD $HEAD^0
909 [mc "Cannot resolve %s as a commit." $HEAD^0] \
912 [mc "The 'master' branch has not been initialized."] \
918 set o_cons [status_bar::two_line $w_body]
919 pack $w_body -fill x -padx 10 -pady 10
921 [mc "Creating working directory"] \
925 set fd [git_read --stderr read-tree \
932 fconfigure $fd -blocking 0 -translation binary
933 fileevent $fd readable [cb _readtree_wait $fd]
936 method _readtree_wait {fd} {
938 $o_cons update_meter $buf
939 append readtree_err $buf
941 fconfigure $fd -blocking 1
943 fconfigure $fd -blocking 0
947 if {[catch {close $fd}]} {
948 set err $readtree_err
949 regsub {^fatal: } $err {} err
950 error_popup [strcat \
951 [mc "Initial file checkout failed."] \
959 ######################################################################
961 ## Open Existing Repository
966 -command [cb _do_open2] \
972 -text [mc "Open Existing Repository"]
973 pack $w_body.h -side top -fill x -pady 10
974 pack $w_body -fill x -padx 10
977 label $w_body.where.l -text [mc "Repository:"]
978 entry $w_body.where.t \
979 -textvariable @local_path \
982 button $w_body.where.b \
983 -text [mc "Browse"] \
984 -command [cb _open_local_path]
986 pack $w_body.where.b -side right
987 pack $w_body.where.l -side left
988 pack $w_body.where.t -fill x
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]