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
13 field action new ; # What action are we going to perform?
14 field done 0 ; # Finished picking the repository?
15 field local_path {} ; # Where this repository is locally
16 field origin_url {} ; # Where we are cloning from
17 field origin_name origin ; # What we shall call 'origin'
18 field clone_type hardlink ; # Type of clone to construct
19 field readtree_err ; # Error output from read-tree (if any)
25 wm title $top [mc "Git Gui"]
28 menu $w.mbar -tearoff 0
29 $top configure -menu $w.mbar
32 -label [mc Repository] \
33 -menu $w.mbar.repository
34 menu $w.mbar.repository
35 $w.mbar.repository add command \
41 $w.mbar add cascade -label [mc 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]
63 pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
67 radiobutton $w_body.new \
69 -text [mc "Create New Repository"] \
72 radiobutton $w_body.clone \
74 -text [mc "Clone Existing Repository"] \
77 radiobutton $w_body.open \
79 -text [mc "Open Existing Repository"] \
82 pack $w_body.new -anchor w -fill x
83 pack $w_body.clone -anchor w -fill x
84 pack $w_body.open -anchor w -fill x
85 pack $w_body -fill x -padx 10 -pady 10
88 set w_next $w.buttons.next
93 pack $w_next -side right -padx 5
94 button $w.buttons.quit \
97 pack $w.buttons.quit -side right -padx 5
98 pack $w.buttons -side bottom -fill x -padx 10 -pady 10
100 bind $top <Return> [cb _invoke_next]
101 bind $top <Visibility> "
105 bind $top <Visibility> {}
108 tkwait variable @done
111 eval destroy [winfo children $top]
116 if {[catch {set h $::env(HOME)}]
117 || ![file isdirectory $h]} {
124 set nx [winfo reqwidth $top]
125 set ny [winfo reqheight $top]
126 set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
127 set ry [expr {([winfo screenheight $top] - $ny) / 3}]
128 wm geometry $top [format {+%d+%d} $rx $ry]
131 method _invoke_next {} {
132 if {[winfo exists $w_next]} {
133 uplevel #0 [$w_next cget -command]
142 method _write_local_path {args} {
143 if {$local_path eq {}} {
144 $w_next conf -state disabled
146 $w_next conf -state normal
150 method _git_init {} {
151 if {[file exists $local_path]} {
152 error_popup [mc "Location %s already exists." $local_path]
156 if {[catch {file mkdir $local_path} err]} {
157 error_popup [strcat \
158 [mc "Failed to create repository %s:" $local_path] \
163 if {[catch {cd $local_path} err]} {
164 error_popup [strcat \
165 [mc "Failed to create repository %s:" $local_path] \
170 if {[catch {git init} err]} {
171 error_popup [strcat \
172 [mc "Failed to create repository %s:" $local_path] \
182 proc _is_git {path} {
183 if {[file exists [file join $path HEAD]]
184 && [file exists [file join $path objects]]
185 && [file exists [file join $path config]]} {
191 ######################################################################
193 ## Create New Repository
198 -command [cb _do_new2] \
204 -text [mc "Create New Repository"]
205 pack $w_body.h -side top -fill x -pady 10
206 pack $w_body -fill x -padx 10
209 label $w_body.where.l -text [mc "Directory:"]
210 entry $w_body.where.t \
211 -textvariable @local_path \
214 button $w_body.where.b \
215 -text [mc "Browse"] \
216 -command [cb _new_local_path]
218 pack $w_body.where.b -side right
219 pack $w_body.where.l -side left
220 pack $w_body.where.t -fill x
221 pack $w_body.where -fill x
223 trace add variable @local_path write [cb _write_local_path]
225 focus $w_body.where.t
228 method _new_local_path {} {
229 if {$local_path ne {}} {
230 set p [file dirname $local_path]
235 set p [tk_chooseDirectory \
238 -title [mc "Git Repository"] \
242 set p [file normalize $p]
243 if {[file isdirectory $p]} {
253 error_popup [mc "Directory %s already exists." $p]
258 if {[catch {file delete $p} err]} {
259 error_popup [strcat \
260 [mc "Directory %s already exists." $p] \
264 } elseif {[file exists $p]} {
265 error_popup [mc "File %s already exists." $p]
272 if {![_git_init $this]} {
278 ######################################################################
280 ## Clone Existing Repository
282 method _do_clone {} {
285 -command [cb _do_clone2] \
291 -text [mc "Clone Existing Repository"]
292 pack $w_body.h -side top -fill x -pady 10
293 pack $w_body -fill x -padx 10
295 set args $w_body.args
297 pack $args -fill both
299 label $args.origin_l -text [mc "URL:"]
300 entry $args.origin_t \
301 -textvariable @origin_url \
304 button $args.origin_b \
305 -text [mc "Browse"] \
306 -command [cb _open_origin]
307 grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
309 label $args.where_l -text [mc "Directory:"]
310 entry $args.where_t \
311 -textvariable @local_path \
314 button $args.where_b \
315 -text [mc "Browse"] \
316 -command [cb _new_local_path]
317 grid $args.where_l $args.where_t $args.where_b -sticky ew
319 label $args.type_l -text [mc "Clone Type:"]
322 lappend w_types [radiobutton $args.type_f.hardlink \
325 -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
326 -variable @clone_type \
328 lappend w_types [radiobutton $args.type_f.full \
331 -text [mc "Full Copy (Slower, Redundant Backup)"] \
332 -variable @clone_type \
334 lappend w_types [radiobutton $args.type_f.shared \
337 -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
338 -variable @clone_type \
343 grid $args.type_l $args.type_f -sticky new
345 grid columnconfigure $args 1 -weight 1
347 trace add variable @local_path write [cb _update_clone]
348 trace add variable @origin_url write [cb _update_clone]
353 method _open_origin {} {
354 if {$origin_url ne {} && [file isdirectory $origin_url]} {
360 set p [tk_chooseDirectory \
363 -title [mc "Git Repository"] \
367 set p [file normalize $p]
368 if {![_is_git [file join $p .git]] && ![_is_git $p]} {
369 error_popup [mc "Not a Git repository: %s" [file tail $p]]
375 method _update_clone {args} {
376 if {$local_path ne {} && $origin_url ne {}} {
377 $w_next conf -state normal
379 $w_next conf -state disabled
382 if {$origin_url ne {} &&
383 ( [_is_git [file join $origin_url .git]]
384 || [_is_git $origin_url])} {
386 if {[[lindex $w_types 0] cget -state] eq {disabled}} {
387 set clone_type hardlink
399 method _do_clone2 {} {
400 if {[file isdirectory $origin_url]} {
401 set origin_url [file normalize $origin_url]
404 if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
405 error_popup [mc "Standard only available for local repository."]
408 if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
409 error_popup [mc "Shared only available for local repository."]
413 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
414 set objdir [file join $origin_url .git objects]
415 if {![file isdirectory $objdir]} {
416 set objdir [file join $origin_url objects]
417 if {![file isdirectory $objdir]} {
418 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
424 set giturl $origin_url
425 if {[is_Cygwin] && [file isdirectory $giturl]} {
426 set giturl [exec cygpath --unix --absolute $giturl]
427 if {$clone_type eq {shared}} {
428 set objdir [exec cygpath --unix --absolute $objdir]
432 if {![_git_init $this]} return
436 git config remote.$origin_name.url $giturl
437 git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
439 error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
443 destroy $w_body $w_next
445 switch -exact -- $clone_type {
447 set o_cons [status_bar::two_line $w_body]
448 pack $w_body -fill x -padx 10 -pady 10
451 [mc "Counting objects"] \
455 if {[file exists [file join $objdir info alternates]]} {
458 file mkdir [gitdir objects info]
459 set f_in [open [file join $objdir info alternates] r]
460 set f_cp [open [gitdir objects info alternates] w]
461 fconfigure $f_in -translation binary -encoding binary
462 fconfigure $f_cp -translation binary -encoding binary
464 while {[gets $f_in line] >= 0} {
466 puts $f_cp [exec cygpath --unix --absolute $line]
468 puts $f_cp [file normalize $line]
476 _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
485 -directory [file join $objdir] ??]
486 set bcnt [expr {[llength $buckets] + 2}]
488 $o_cons update $bcur $bcnt
491 file mkdir [file join .git objects pack]
492 foreach i [glob -tails -nocomplain \
493 -directory [file join $objdir pack] *] {
494 lappend tolink [file join pack $i]
496 $o_cons update [incr bcur] $bcnt
500 file mkdir [file join .git objects $i]
501 foreach j [glob -tails -nocomplain \
502 -directory [file join $objdir $i] *] {
503 lappend tolink [file join $i $j]
505 $o_cons update [incr bcur] $bcnt
512 [mc "Nothing to clone from %s." $origin_url] \
514 [mc "The 'master' branch has not been initialized."] \
521 set i [lindex $tolink 0]
524 [file join .git objects $i] \
525 [file join $objdir $i]
527 info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
528 set i [_copy_files $this $objdir $tolink]
530 set i [_link_files $this $objdir [lrange $tolink 1 end]]
537 set o_cons [console::embed \
539 [mc "Cloning from %s" $origin_url]]
540 pack $w_body -fill both -expand 1 -padx 10
542 [list git fetch --no-tags -k $origin_name] \
546 set fd [open [gitdir objects info alternates] w]
547 fconfigure $fd -translation binary
553 if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
554 if {![_clone_refs $this]} return
558 set HEAD [git rev-parse --verify HEAD^0]
560 _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
564 _do_clone_checkout $this $HEAD
568 method _copy_files {objdir tocopy} {
570 [mc "Copying objects"] \
575 incr tot [file size [file join $objdir $p]]
579 set f_in [open [file join $objdir $p] r]
580 set f_cp [open [file join .git objects $p] w]
581 fconfigure $f_in -translation binary -encoding binary
582 fconfigure $f_cp -translation binary -encoding binary
584 while {![eof $f_in]} {
585 incr cmp [fcopy $f_in $f_cp -size 16384]
587 [expr {$cmp / 1024}] \
595 _clone_failed $this [mc "Unable to copy object: %s" $err]
602 method _link_files {objdir tolink} {
603 set total [llength $tolink]
605 [mc "Linking objects"] \
607 for {set i 0} {$i < $total} {} {
608 set p [lindex $tolink $i]
611 [file join .git objects $p] \
612 [file join $objdir $p]
614 _clone_failed $this [mc "Unable to hardlink object: %s" $err]
620 $o_cons update $i $total
627 method _clone_refs {} {
629 if {[catch {cd $origin_url} err]} {
630 error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
633 set fd_in [git_read for-each-ref \
635 {--format=list %(refname) %(objectname) %(*objectname)}]
638 set fd [open [gitdir packed-refs] w]
639 fconfigure $fd -translation binary
640 puts $fd "# pack-refs with: peeled"
641 while {[gets $fd_in line] >= 0} {
642 set line [eval $line]
643 set refn [lindex $line 0]
644 set robj [lindex $line 1]
645 set tobj [lindex $line 2]
647 if {[regsub ^refs/heads/ $refn \
648 "refs/remotes/$origin_name/" refn]} {
649 puts $fd "$robj $refn"
650 } elseif {[string match refs/tags/* $refn]} {
651 puts $fd "$robj $refn"
662 method _do_clone_tags {ok} {
665 [list git fetch --tags -k $origin_name] \
669 _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
673 method _do_clone_HEAD {ok} {
676 [list git fetch $origin_name HEAD] \
677 [cb _do_clone_full_end]
680 _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
684 method _do_clone_full_end {ok} {
691 if {[file exists [gitdir FETCH_HEAD]]} {
692 set fd [open [gitdir FETCH_HEAD] r]
693 while {[gets $fd line] >= 0} {
694 if {[regexp "^(.{40})\t\t" $line line HEAD]} {
701 catch {git pack-refs}
702 _do_clone_checkout $this $HEAD
704 _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
708 method _clone_failed {{why {}}} {
709 if {[catch {file delete -force $local_path} err]} {
713 [mc "Unable to cleanup %s" $local_path] \
719 error_popup [strcat [mc "Clone failed."] "\n" $why]
723 method _do_clone_checkout {HEAD} {
726 [mc "No default branch obtained."] \
728 [mc "The 'master' branch has not been initialized."] \
734 git update-ref HEAD $HEAD^0
737 [mc "Cannot resolve %s as a commit." $HEAD^0] \
740 [mc "The 'master' branch has not been initialized."] \
746 set o_cons [status_bar::two_line $w_body]
747 pack $w_body -fill x -padx 10 -pady 10
749 [mc "Creating working directory"] \
753 set fd [git_read --stderr read-tree \
760 fconfigure $fd -blocking 0 -translation binary
761 fileevent $fd readable [cb _readtree_wait $fd]
764 method _readtree_wait {fd} {
766 $o_cons update_meter $buf
767 append readtree_err $buf
769 fconfigure $fd -blocking 1
771 fconfigure $fd -blocking 0
775 if {[catch {close $fd}]} {
776 set err $readtree_err
777 regsub {^fatal: } $err {} err
778 error_popup [strcat \
779 [mc "Initial file checkout failed."] \
787 ######################################################################
789 ## Open Existing Repository
794 -command [cb _do_open2] \
800 -text [mc "Open Existing Repository"]
801 pack $w_body.h -side top -fill x -pady 10
802 pack $w_body -fill x -padx 10
805 label $w_body.where.l -text [mc "Repository:"]
806 entry $w_body.where.t \
807 -textvariable @local_path \
810 button $w_body.where.b \
811 -text [mc "Browse"] \
812 -command [cb _open_local_path]
814 pack $w_body.where.b -side right
815 pack $w_body.where.l -side left
816 pack $w_body.where.t -fill x
817 pack $w_body.where -fill x
819 trace add variable @local_path write [cb _write_local_path]
821 focus $w_body.where.t
824 method _open_local_path {} {
825 if {$local_path ne {}} {
831 set p [tk_chooseDirectory \
834 -title [mc "Git Repository"] \
838 set p [file normalize $p]
839 if {![_is_git [file join $p .git]]} {
840 error_popup [mc "Not a Git repository: %s" [file tail $p]]
846 method _do_open2 {} {
847 if {![_is_git [file join $local_path .git]]} {
848 error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
852 if {[catch {cd $local_path} err]} {
853 error_popup [strcat \
854 [mc "Failed to open repository %s:" $local_path] \