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 o_cons ; # Console object (if active)
11 field w_types ; # List of type buttons in clone
12 field w_recentlist ; # Listbox containing recent repositories
14 field action new ; # What action are we going to perform?
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
34 -label [mc Repository] \
35 -menu $w.mbar.repository
36 menu $w.mbar.repository
37 $w.mbar.repository add command \
43 $w.mbar add cascade -label [mc Apple] -menu .mbar.apple
45 $w.mbar.apple add command \
46 -label [mc "About %s" [appname]] \
49 $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
51 $w.mbar.help add command \
52 -label [mc "About %s" [appname]] \
56 wm protocol $top WM_DELETE_WINDOW exit
57 bind $top <$M1B-q> exit
58 bind $top <$M1B-Q> exit
59 bind $top <Key-Escape> exit
61 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
62 bind $top <Key-Escape> [list destroy $top]
65 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
69 radiobutton $w_body.new \
71 -text [mc "Create New Repository"] \
74 radiobutton $w_body.clone \
76 -text [mc "Clone Existing Repository"] \
79 radiobutton $w_body.open \
81 -text [mc "Open Existing Repository"] \
84 pack $w_body.new -anchor w -fill x
85 pack $w_body.clone -anchor w -fill x
86 pack $w_body.open -anchor w -fill x
88 set sorted_recent [_get_recentrepos]
89 if {[llength $sorted_recent] > 0} {
91 label $w_body.recentlabel \
93 -text [mc "Open Recent Repository:"]
94 set w_recentlist $w_body.recentlist
96 -cursor $::cursor_ptr \
98 -background [$w_body.recentlabel cget -background] \
102 $w_recentlist tag conf link \
105 set home "[file normalize $::env(HOME)][file separator]"
106 set hlen [string length $home]
107 foreach p $sorted_recent {
108 if {[string equal -length $hlen $home $p]} {
109 set p "~[file separator][string range $p $hlen end]"
111 regsub -all "\n" $p "\\n" p
112 $w_recentlist insert end $p link
113 $w_recentlist insert end "\n"
115 $w_recentlist conf -state disabled
116 $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
117 pack $w_body.space -anchor w -fill x
118 pack $w_body.recentlabel -anchor w -fill x
119 pack $w_recentlist -anchor w -fill x
121 pack $w_body -fill x -padx 10 -pady 10
124 set w_next $w.buttons.next
127 -text [mc "Next >"] \
129 pack $w_next -side right -padx 5
130 button $w.buttons.quit \
133 pack $w.buttons.quit -side right -padx 5
134 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
136 bind $top <Return> [cb _invoke_next]
137 bind $top <Visibility> "
141 bind $top <Visibility> {}
144 tkwait variable @done
147 eval destroy [winfo children $top]
152 if {[catch {set h $::env(HOME)}]
153 || ![file isdirectory $h]} {
160 set nx [winfo reqwidth $top]
161 set ny [winfo reqheight $top]
162 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
163 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
164 wm geometry $top [format {+%d+%d} $rx $ry]
167 method _invoke_next {} {
168 if {[winfo exists $w_next]} {
169 uplevel #0 [$w_next cget -command]
173 proc _get_recentrepos {} {
175 foreach p [get_config gui.recentrepo] {
176 if {[_is_git [file join $p .git]]} {
180 return [lsort $recent]
183 proc _unset_recentrepo {p} {
184 regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
185 git config --global --unset gui.recentrepo "^$p\$"
188 proc _append_recentrepos {path} {
189 set path [file normalize $path]
190 set recent [get_config gui.recentrepo]
192 if {[lindex $recent end] eq $path} {
196 set i [lsearch $recent $path]
198 _unset_recentrepo $path
199 set recent [lreplace $recent $i $i]
203 git config --global --add gui.recentrepo $path
205 while {[llength $recent] > 10} {
206 _unset_recentrepo [lindex $recent 0]
207 set recent [lrange $recent 1 end]
211 method _open_recent {xy} {
212 set id [lindex [split [$w_recentlist index @$xy] .] 0]
213 set local_path [lindex $sorted_recent [expr {$id - 1}]]
222 method _write_local_path {args} {
223 if {$local_path eq {}} {
224 $w_next conf -state disabled
226 $w_next conf -state normal
230 method _git_init {} {
231 if {[file exists $local_path]} {
232 error_popup [mc "Location %s already exists." $local_path]
236 if {[catch {file mkdir $local_path} err]} {
237 error_popup [strcat \
238 [mc "Failed to create repository %s:" $local_path] \
243 if {[catch {cd $local_path} err]} {
244 error_popup [strcat \
245 [mc "Failed to create repository %s:" $local_path] \
250 if {[catch {git init} err]} {
251 error_popup [strcat \
252 [mc "Failed to create repository %s:" $local_path] \
257 _append_recentrepos [pwd]
263 proc _is_git {path} {
264 if {[file exists [file join $path HEAD]]
265 && [file exists [file join $path objects]]
266 && [file exists [file join $path config]]} {
272 ######################################################################
274 ## Create New Repository
279 -command [cb _do_new2] \
285 -text [mc "Create New Repository"]
286 pack $w_body.h -side top -fill x -pady 10
287 pack $w_body -fill x -padx 10
290 label $w_body.where.l -text [mc "Directory:"]
291 entry $w_body.where.t \
292 -textvariable @local_path \
295 button $w_body.where.b \
296 -text [mc "Browse"] \
297 -command [cb _new_local_path]
299 pack $w_body.where.b -side right
300 pack $w_body.where.l -side left
301 pack $w_body.where.t -fill x
302 pack $w_body.where -fill x
304 trace add variable @local_path write [cb _write_local_path]
306 focus $w_body.where.t
309 method _new_local_path {} {
310 if {$local_path ne {}} {
311 set p [file dirname $local_path]
316 set p [tk_chooseDirectory \
319 -title [mc "Git Repository"] \
323 set p [file normalize $p]
324 if {[file isdirectory $p]} {
334 error_popup [mc "Directory %s already exists." $p]
339 if {[catch {file delete $p} err]} {
340 error_popup [strcat \
341 [mc "Directory %s already exists." $p] \
345 } elseif {[file exists $p]} {
346 error_popup [mc "File %s already exists." $p]
353 if {![_git_init $this]} {
359 ######################################################################
361 ## Clone Existing Repository
363 method _do_clone {} {
366 -command [cb _do_clone2] \
372 -text [mc "Clone Existing Repository"]
373 pack $w_body.h -side top -fill x -pady 10
374 pack $w_body -fill x -padx 10
376 set args $w_body.args
378 pack $args -fill both
380 label $args.origin_l -text [mc "URL:"]
381 entry $args.origin_t \
382 -textvariable @origin_url \
385 button $args.origin_b \
386 -text [mc "Browse"] \
387 -command [cb _open_origin]
388 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
390 label $args.where_l -text [mc "Directory:"]
391 entry $args.where_t \
392 -textvariable @local_path \
395 button $args.where_b \
396 -text [mc "Browse"] \
397 -command [cb _new_local_path]
398 grid $args.where_l $args.where_t $args.where_b -sticky ew
400 label $args.type_l -text [mc "Clone Type:"]
403 lappend w_types [radiobutton $args.type_f.hardlink \
406 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
407 -variable @clone_type \
409 lappend w_types [radiobutton $args.type_f.full \
412 -text [mc "Full Copy (Slower, Redundant Backup)"] \
413 -variable @clone_type \
415 lappend w_types [radiobutton $args.type_f.shared \
418 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
419 -variable @clone_type \
424 grid $args.type_l $args.type_f -sticky new
426 grid columnconfigure $args 1 -weight 1
428 trace add variable @local_path write [cb _update_clone]
429 trace add variable @origin_url write [cb _update_clone]
434 method _open_origin {} {
435 if {$origin_url ne {} && [file isdirectory $origin_url]} {
441 set p [tk_chooseDirectory \
444 -title [mc "Git Repository"] \
448 set p [file normalize $p]
449 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
450 error_popup [mc "Not a Git repository: %s" [file tail $p]]
456 method _update_clone {args} {
457 if {$local_path ne {} && $origin_url ne {}} {
458 $w_next conf -state normal
460 $w_next conf -state disabled
463 if {$origin_url ne {} &&
464 ( [_is_git [file join $origin_url .git]]
465 || [_is_git $origin_url])} {
467 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
468 set clone_type hardlink
480 method _do_clone2 {} {
481 if {[file isdirectory $origin_url]} {
482 set origin_url [file normalize $origin_url]
485 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
486 error_popup [mc "Standard only available for local repository."]
489 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
490 error_popup [mc "Shared only available for local repository."]
494 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
495 set objdir [file join $origin_url .git objects]
496 if {![file isdirectory $objdir]} {
497 set objdir [file join $origin_url objects]
498 if {![file isdirectory $objdir]} {
499 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
505 set giturl $origin_url
506 if {[is_Cygwin] && [file isdirectory $giturl]} {
507 set giturl [exec cygpath --unix --absolute $giturl]
508 if {$clone_type eq {shared}} {
509 set objdir [exec cygpath --unix --absolute $objdir]
513 if {![_git_init $this]} return
517 git config remote.$origin_name.url $giturl
518 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
520 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
524 destroy $w_body $w_next
526 switch -exact -- $clone_type {
528 set o_cons [status_bar::two_line $w_body]
529 pack $w_body -fill x -padx 10 -pady 10
532 [mc "Counting objects"] \
536 if {[file exists [file join $objdir info alternates]]} {
539 file mkdir [gitdir objects info]
540 set f_in [open [file join $objdir info alternates] r]
541 set f_cp [open [gitdir objects info alternates] w]
542 fconfigure $f_in -translation binary -encoding binary
543 fconfigure $f_cp -translation binary -encoding binary
545 while {[gets $f_in line] >= 0} {
547 puts $f_cp [exec cygpath --unix --absolute $line]
549 puts $f_cp [file normalize $line]
557 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
566 -directory [file join $objdir] ??]
567 set bcnt [expr {[llength $buckets] + 2}]
569 $o_cons update $bcur $bcnt
572 file mkdir [file join .git objects pack]
573 foreach i [glob -tails -nocomplain \
574 -directory [file join $objdir pack] *] {
575 lappend tolink [file join pack $i]
577 $o_cons update [incr bcur] $bcnt
581 file mkdir [file join .git objects $i]
582 foreach j [glob -tails -nocomplain \
583 -directory [file join $objdir $i] *] {
584 lappend tolink [file join $i $j]
586 $o_cons update [incr bcur] $bcnt
593 [mc "Nothing to clone from %s." $origin_url] \
595 [mc "The 'master' branch has not been initialized."] \
602 set i [lindex $tolink 0]
605 [file join .git objects $i] \
606 [file join $objdir $i]
608 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
609 set i [_copy_files $this $objdir $tolink]
611 set i [_link_files $this $objdir [lrange $tolink 1 end]]
618 set o_cons [console::embed \
620 [mc "Cloning from %s" $origin_url]]
621 pack $w_body -fill both -expand 1 -padx 10
623 [list git fetch --no-tags -k $origin_name] \
627 set fd [open [gitdir objects info alternates] w]
628 fconfigure $fd -translation binary
634 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
635 if {![_clone_refs $this]} return
639 set HEAD [git rev-parse --verify HEAD^0]
641 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
645 _do_clone_checkout $this $HEAD
649 method _copy_files {objdir tocopy} {
651 [mc "Copying objects"] \
656 incr tot [file size [file join $objdir $p]]
660 set f_in [open [file join $objdir $p] r]
661 set f_cp [open [file join .git objects $p] w]
662 fconfigure $f_in -translation binary -encoding binary
663 fconfigure $f_cp -translation binary -encoding binary
665 while {![eof $f_in]} {
666 incr cmp [fcopy $f_in $f_cp -size 16384]
668 [expr {$cmp / 1024}] \
676 _clone_failed $this [mc "Unable to copy object: %s" $err]
683 method _link_files {objdir tolink} {
684 set total [llength $tolink]
686 [mc "Linking objects"] \
688 for {set i 0} {$i < $total} {} {
689 set p [lindex $tolink $i]
692 [file join .git objects $p] \
693 [file join $objdir $p]
695 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
701 $o_cons update $i $total
708 method _clone_refs {} {
710 if {[catch {cd $origin_url} err]} {
711 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
714 set fd_in [git_read for-each-ref \
716 {--format=list %(refname) %(objectname) %(*objectname)}]
719 set fd [open [gitdir packed-refs] w]
720 fconfigure $fd -translation binary
721 puts $fd "# pack-refs with: peeled"
722 while {[gets $fd_in line] >= 0} {
723 set line [eval $line]
724 set refn [lindex $line 0]
725 set robj [lindex $line 1]
726 set tobj [lindex $line 2]
728 if {[regsub ^refs/heads/ $refn \
729 "refs/remotes/$origin_name/" refn]} {
730 puts $fd "$robj $refn"
731 } elseif {[string match refs/tags/* $refn]} {
732 puts $fd "$robj $refn"
743 method _do_clone_tags {ok} {
746 [list git fetch --tags -k $origin_name] \
750 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
754 method _do_clone_HEAD {ok} {
757 [list git fetch $origin_name HEAD] \
758 [cb _do_clone_full_end]
761 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
765 method _do_clone_full_end {ok} {
772 if {[file exists [gitdir FETCH_HEAD]]} {
773 set fd [open [gitdir FETCH_HEAD] r]
774 while {[gets $fd line] >= 0} {
775 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
782 catch {git pack-refs}
783 _do_clone_checkout $this $HEAD
785 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
789 method _clone_failed {{why {}}} {
790 if {[catch {file delete -force $local_path} err]} {
794 [mc "Unable to cleanup %s" $local_path] \
800 error_popup [strcat [mc "Clone failed."] "\n" $why]
804 method _do_clone_checkout {HEAD} {
807 [mc "No default branch obtained."] \
809 [mc "The 'master' branch has not been initialized."] \
815 git update-ref HEAD $HEAD^0
818 [mc "Cannot resolve %s as a commit." $HEAD^0] \
821 [mc "The 'master' branch has not been initialized."] \
827 set o_cons [status_bar::two_line $w_body]
828 pack $w_body -fill x -padx 10 -pady 10
830 [mc "Creating working directory"] \
834 set fd [git_read --stderr read-tree \
841 fconfigure $fd -blocking 0 -translation binary
842 fileevent $fd readable [cb _readtree_wait $fd]
845 method _readtree_wait {fd} {
847 $o_cons update_meter $buf
848 append readtree_err $buf
850 fconfigure $fd -blocking 1
852 fconfigure $fd -blocking 0
856 if {[catch {close $fd}]} {
857 set err $readtree_err
858 regsub {^fatal: } $err {} err
859 error_popup [strcat \
860 [mc "Initial file checkout failed."] \
868 ######################################################################
870 ## Open Existing Repository
875 -command [cb _do_open2] \
881 -text [mc "Open Existing Repository"]
882 pack $w_body.h -side top -fill x -pady 10
883 pack $w_body -fill x -padx 10
886 label $w_body.where.l -text [mc "Repository:"]
887 entry $w_body.where.t \
888 -textvariable @local_path \
891 button $w_body.where.b \
892 -text [mc "Browse"] \
893 -command [cb _open_local_path]
895 pack $w_body.where.b -side right
896 pack $w_body.where.l -side left
897 pack $w_body.where.t -fill x
898 pack $w_body.where -fill x
900 trace add variable @local_path write [cb _write_local_path]
902 focus $w_body.where.t
905 method _open_local_path {} {
906 if {$local_path ne {}} {
912 set p [tk_chooseDirectory \
915 -title [mc "Git Repository"] \
919 set p [file normalize $p]
920 if {![_is_git [file join $p .git]]} {
921 error_popup [mc "Not a Git repository: %s" [file tail $p]]
927 method _do_open2 {} {
928 if {![_is_git [file join $local_path .git]]} {
929 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
933 if {[catch {cd $local_path} err]} {
934 error_popup [strcat \
935 [mc "Failed to open repository %s:" $local_path] \
940 _append_recentrepos [pwd]