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 pack $w_body.where.b -side right
392 pack $w_body.where.l -side left
393 pack $w_body.where.t -fill x
394 pack $w_body.where -fill x
396 trace add variable @local_path write [cb _write_local_path]
397 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
399 focus $w_body.where.t
402 method _new_local_path {} {
403 if {$local_path ne {}} {
404 set p [file dirname $local_path]
409 set p [tk_chooseDirectory \
412 -title [mc "Git Repository"] \
416 set p [file normalize $p]
421 $w_localpath icursor end
425 if {![_new_ok $local_path]} {
428 if {![_git_init $this]} {
435 if {[file isdirectory $p]} {
436 if {[_is_git [file join $p .git]]} {
437 error_popup [mc "Directory %s already exists." $p]
440 } elseif {[file exists $p]} {
441 error_popup [mc "File %s already exists." $p]
447 ######################################################################
449 ## Clone Existing Repository
451 method _do_clone {} {
454 -command [cb _do_clone2] \
460 -text [mc "Clone Existing Repository"]
461 pack $w_body.h -side top -fill x -pady 10
462 pack $w_body -fill x -padx 10
464 set args $w_body.args
466 pack $args -fill both
468 label $args.origin_l -text [mc "URL:"]
469 entry $args.origin_t \
470 -textvariable @origin_url \
473 button $args.origin_b \
474 -text [mc "Browse"] \
475 -command [cb _open_origin]
476 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
478 label $args.where_l -text [mc "Directory:"]
479 entry $args.where_t \
480 -textvariable @local_path \
483 button $args.where_b \
484 -text [mc "Browse"] \
485 -command [cb _new_local_path]
486 grid $args.where_l $args.where_t $args.where_b -sticky ew
487 set w_localpath $args.where_t
489 label $args.type_l -text [mc "Clone Type:"]
492 lappend w_types [radiobutton $args.type_f.hardlink \
495 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
496 -variable @clone_type \
498 lappend w_types [radiobutton $args.type_f.full \
501 -text [mc "Full Copy (Slower, Redundant Backup)"] \
502 -variable @clone_type \
504 lappend w_types [radiobutton $args.type_f.shared \
507 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
508 -variable @clone_type \
513 grid $args.type_l $args.type_f -sticky new
515 grid columnconfigure $args 1 -weight 1
517 trace add variable @local_path write [cb _update_clone]
518 trace add variable @origin_url write [cb _update_clone]
519 bind $w_body.h <Destroy> "
520 [list trace remove variable @local_path write [cb _update_clone]]
521 [list trace remove variable @origin_url write [cb _update_clone]]
527 method _open_origin {} {
528 if {$origin_url ne {} && [file isdirectory $origin_url]} {
534 set p [tk_chooseDirectory \
537 -title [mc "Git Repository"] \
541 set p [file normalize $p]
542 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
543 error_popup [mc "Not a Git repository: %s" [file tail $p]]
549 method _update_clone {args} {
550 if {$local_path ne {} && $origin_url ne {}} {
551 $w_next conf -state normal
553 $w_next conf -state disabled
556 if {$origin_url ne {} &&
557 ( [_is_git [file join $origin_url .git]]
558 || [_is_git $origin_url])} {
560 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
561 set clone_type hardlink
573 method _do_clone2 {} {
574 if {[file isdirectory $origin_url]} {
575 set origin_url [file normalize $origin_url]
578 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
579 error_popup [mc "Standard only available for local repository."]
582 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
583 error_popup [mc "Shared only available for local repository."]
587 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
588 set objdir [_objdir $origin_url]
590 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
595 set giturl $origin_url
596 if {[is_Cygwin] && [file isdirectory $giturl]} {
597 set giturl [exec cygpath --unix --absolute $giturl]
598 if {$clone_type eq {shared}} {
599 set objdir [exec cygpath --unix --absolute $objdir]
603 if {[file exists $local_path]} {
604 error_popup [mc "Location %s already exists." $local_path]
608 if {![_git_init $this]} return
612 git config remote.$origin_name.url $giturl
613 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
615 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
619 destroy $w_body $w_next
621 switch -exact -- $clone_type {
623 set o_cons [status_bar::two_line $w_body]
624 pack $w_body -fill x -padx 10 -pady 10
627 [mc "Counting objects"] \
631 if {[file exists [file join $objdir info alternates]]} {
634 file mkdir [gitdir objects info]
635 set f_in [open [file join $objdir info alternates] r]
636 set f_cp [open [gitdir objects info alternates] w]
637 fconfigure $f_in -translation binary -encoding binary
638 fconfigure $f_cp -translation binary -encoding binary
640 while {[gets $f_in line] >= 0} {
642 puts $f_cp [exec cygpath --unix --absolute $line]
644 puts $f_cp [file normalize $line]
652 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
661 -directory [file join $objdir] ??]
662 set bcnt [expr {[llength $buckets] + 2}]
664 $o_cons update $bcur $bcnt
667 file mkdir [file join .git objects pack]
668 foreach i [glob -tails -nocomplain \
669 -directory [file join $objdir pack] *] {
670 lappend tolink [file join pack $i]
672 $o_cons update [incr bcur] $bcnt
676 file mkdir [file join .git objects $i]
677 foreach j [glob -tails -nocomplain \
678 -directory [file join $objdir $i] *] {
679 lappend tolink [file join $i $j]
681 $o_cons update [incr bcur] $bcnt
688 [mc "Nothing to clone from %s." $origin_url] \
690 [mc "The 'master' branch has not been initialized."] \
697 set i [lindex $tolink 0]
700 [file join .git objects $i] \
701 [file join $objdir $i]
703 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
704 set i [_copy_files $this $objdir $tolink]
706 set i [_link_files $this $objdir [lrange $tolink 1 end]]
713 set o_cons [console::embed \
715 [mc "Cloning from %s" $origin_url]]
716 pack $w_body -fill both -expand 1 -padx 10
718 [list git fetch --no-tags -k $origin_name] \
722 set fd [open [gitdir objects info alternates] w]
723 fconfigure $fd -translation binary
729 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
730 if {![_clone_refs $this]} return
734 set HEAD [git rev-parse --verify HEAD^0]
736 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
740 _do_clone_checkout $this $HEAD
744 method _copy_files {objdir tocopy} {
746 [mc "Copying objects"] \
751 incr tot [file size [file join $objdir $p]]
755 set f_in [open [file join $objdir $p] r]
756 set f_cp [open [file join .git objects $p] w]
757 fconfigure $f_in -translation binary -encoding binary
758 fconfigure $f_cp -translation binary -encoding binary
760 while {![eof $f_in]} {
761 incr cmp [fcopy $f_in $f_cp -size 16384]
763 [expr {$cmp / 1024}] \
771 _clone_failed $this [mc "Unable to copy object: %s" $err]
778 method _link_files {objdir tolink} {
779 set total [llength $tolink]
781 [mc "Linking objects"] \
783 for {set i 0} {$i < $total} {} {
784 set p [lindex $tolink $i]
787 [file join .git objects $p] \
788 [file join $objdir $p]
790 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
796 $o_cons update $i $total
803 method _clone_refs {} {
805 if {[catch {cd $origin_url} err]} {
806 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
809 set fd_in [git_read for-each-ref \
811 {--format=list %(refname) %(objectname) %(*objectname)}]
814 set fd [open [gitdir packed-refs] w]
815 fconfigure $fd -translation binary
816 puts $fd "# pack-refs with: peeled"
817 while {[gets $fd_in line] >= 0} {
818 set line [eval $line]
819 set refn [lindex $line 0]
820 set robj [lindex $line 1]
821 set tobj [lindex $line 2]
823 if {[regsub ^refs/heads/ $refn \
824 "refs/remotes/$origin_name/" refn]} {
825 puts $fd "$robj $refn"
826 } elseif {[string match refs/tags/* $refn]} {
827 puts $fd "$robj $refn"
838 method _do_clone_tags {ok} {
841 [list git fetch --tags -k $origin_name] \
845 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
849 method _do_clone_HEAD {ok} {
852 [list git fetch $origin_name HEAD] \
853 [cb _do_clone_full_end]
856 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
860 method _do_clone_full_end {ok} {
867 if {[file exists [gitdir FETCH_HEAD]]} {
868 set fd [open [gitdir FETCH_HEAD] r]
869 while {[gets $fd line] >= 0} {
870 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
877 catch {git pack-refs}
878 _do_clone_checkout $this $HEAD
880 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
884 method _clone_failed {{why {}}} {
885 if {[catch {file delete -force $local_path} err]} {
889 [mc "Unable to cleanup %s" $local_path] \
895 error_popup [strcat [mc "Clone failed."] "\n" $why]
899 method _do_clone_checkout {HEAD} {
902 [mc "No default branch obtained."] \
904 [mc "The 'master' branch has not been initialized."] \
910 git update-ref HEAD $HEAD^0
913 [mc "Cannot resolve %s as a commit." $HEAD^0] \
916 [mc "The 'master' branch has not been initialized."] \
922 set o_cons [status_bar::two_line $w_body]
923 pack $w_body -fill x -padx 10 -pady 10
925 [mc "Creating working directory"] \
929 set fd [git_read --stderr read-tree \
936 fconfigure $fd -blocking 0 -translation binary
937 fileevent $fd readable [cb _readtree_wait $fd]
940 method _readtree_wait {fd} {
942 $o_cons update_meter $buf
943 append readtree_err $buf
945 fconfigure $fd -blocking 1
947 fconfigure $fd -blocking 0
951 if {[catch {close $fd}]} {
952 set err $readtree_err
953 regsub {^fatal: } $err {} err
954 error_popup [strcat \
955 [mc "Initial file checkout failed."] \
963 ######################################################################
965 ## Open Existing Repository
970 -command [cb _do_open2] \
976 -text [mc "Open Existing Repository"]
977 pack $w_body.h -side top -fill x -pady 10
978 pack $w_body -fill x -padx 10
981 label $w_body.where.l -text [mc "Repository:"]
982 entry $w_body.where.t \
983 -textvariable @local_path \
986 button $w_body.where.b \
987 -text [mc "Browse"] \
988 -command [cb _open_local_path]
990 pack $w_body.where.b -side right
991 pack $w_body.where.l -side left
992 pack $w_body.where.t -fill x
993 pack $w_body.where -fill x
995 trace add variable @local_path write [cb _write_local_path]
996 bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
998 focus $w_body.where.t
1001 method _open_local_path {} {
1002 if {$local_path ne {}} {
1008 set p [tk_chooseDirectory \
1011 -title [mc "Git Repository"] \
1013 if {$p eq {}} return
1015 set p [file normalize $p]
1016 if {![_is_git [file join $p .git]]} {
1017 error_popup [mc "Not a Git repository: %s" [file tail $p]]
1023 method _do_open2 {} {
1024 if {![_is_git [file join $local_path .git]]} {
1025 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
1029 if {[catch {cd $local_path} err]} {
1030 error_popup [strcat \
1031 [mc "Failed to open repository %s:" $local_path] \
1036 _append_recentrepos [pwd]