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-rw-r--r--git-gui/lib/choose_repository.tcl1129
1 files changed, 1129 insertions, 0 deletions
diff --git a/git-gui/lib/choose_repository.tcl b/git-gui/lib/choose_repository.tcl
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+++ b/git-gui/lib/choose_repository.tcl
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+# git-gui Git repository chooser
+# Copyright (C) 2007 Shawn Pearce
+
+class choose_repository {
+
+field top
+field w
+field w_body ; # Widget holding the center content
+field w_next ; # Next button
+field w_quit ; # Quit button
+field o_cons ; # Console object (if active)
+field w_types ; # List of type buttons in clone
+field w_recentlist ; # Listbox containing recent repositories
+field w_localpath ; # Entry widget bound to local_path
+
+field done 0 ; # Finished picking the repository?
+field local_path {} ; # Where this repository is locally
+field origin_url {} ; # Where we are cloning from
+field origin_name origin ; # What we shall call 'origin'
+field clone_type hardlink ; # Type of clone to construct
+field recursive true ; # Recursive cloning flag
+field readtree_err ; # Error output from read-tree (if any)
+field sorted_recent ; # recent repositories (sorted)
+
+constructor pick {} {
+ global M1T M1B use_ttk NS
+
+ if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
+ set maxrecent 10
+ }
+
+ make_dialog top w
+ wm title $top [mc "Git Gui"]
+
+ if {$top eq {.}} {
+ menu $w.mbar -tearoff 0
+ $top configure -menu $w.mbar
+
+ set m_repo $w.mbar.repository
+ $w.mbar add cascade \
+ -label [mc Repository] \
+ -menu $m_repo
+ menu $m_repo
+
+ if {[is_MacOSX]} {
+ $w.mbar add cascade -label Apple -menu .mbar.apple
+ menu $w.mbar.apple
+ $w.mbar.apple add command \
+ -label [mc "About %s" [appname]] \
+ -command do_about
+ $w.mbar.apple add command \
+ -label [mc "Show SSH Key"] \
+ -command do_ssh_key
+ } else {
+ $w.mbar add cascade -label [mc Help] -menu $w.mbar.help
+ menu $w.mbar.help
+ $w.mbar.help add command \
+ -label [mc "About %s" [appname]] \
+ -command do_about
+ $w.mbar.help add command \
+ -label [mc "Show SSH Key"] \
+ -command do_ssh_key
+ }
+
+ wm protocol $top WM_DELETE_WINDOW exit
+ bind $top <$M1B-q> exit
+ bind $top <$M1B-Q> exit
+ bind $top <Key-Escape> exit
+ } else {
+ wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
+ bind $top <Key-Escape> [list destroy $top]
+ set m_repo {}
+ }
+
+ pack [git_logo $w.git_logo] -side left -fill y -padx 10 -pady 10
+
+ set w_body $w.body
+ set opts $w_body.options
+ ${NS}::frame $w_body
+ text $opts \
+ -cursor $::cursor_ptr \
+ -relief flat \
+ -background [get_bg_color $w_body] \
+ -wrap none \
+ -spacing1 5 \
+ -width 50 \
+ -height 3
+ pack $opts -anchor w -fill x
+
+ $opts tag conf link_new -foreground blue -underline 1
+ $opts tag bind link_new <1> [cb _next new]
+ $opts insert end [mc "Create New Repository"] link_new
+ $opts insert end "\n"
+ if {$m_repo ne {}} {
+ $m_repo add command \
+ -command [cb _next new] \
+ -accelerator $M1T-N \
+ -label [mc "New..."]
+ bind $top <$M1B-n> [cb _next new]
+ bind $top <$M1B-N> [cb _next new]
+ }
+
+ $opts tag conf link_clone -foreground blue -underline 1
+ $opts tag bind link_clone <1> [cb _next clone]
+ $opts insert end [mc "Clone Existing Repository"] link_clone
+ $opts insert end "\n"
+ if {$m_repo ne {}} {
+ if {[tk windowingsystem] eq "win32"} {
+ set key L
+ } else {
+ set key C
+ }
+ $m_repo add command \
+ -command [cb _next clone] \
+ -accelerator $M1T-$key \
+ -label [mc "Clone..."]
+ bind $top <$M1B-[string tolower $key]> [cb _next clone]
+ bind $top <$M1B-[string toupper $key]> [cb _next clone]
+ }
+
+ $opts tag conf link_open -foreground blue -underline 1
+ $opts tag bind link_open <1> [cb _next open]
+ $opts insert end [mc "Open Existing Repository"] link_open
+ $opts insert end "\n"
+ if {$m_repo ne {}} {
+ $m_repo add command \
+ -command [cb _next open] \
+ -accelerator $M1T-O \
+ -label [mc "Open..."]
+ bind $top <$M1B-o> [cb _next open]
+ bind $top <$M1B-O> [cb _next open]
+ }
+
+ $opts conf -state disabled
+
+ set sorted_recent [_get_recentrepos]
+ if {[llength $sorted_recent] > 0} {
+ if {$m_repo ne {}} {
+ $m_repo add separator
+ $m_repo add command \
+ -state disabled \
+ -label [mc "Recent Repositories"]
+ }
+
+ ${NS}::label $w_body.space
+ ${NS}::label $w_body.recentlabel \
+ -anchor w \
+ -text [mc "Open Recent Repository:"]
+ set w_recentlist $w_body.recentlist
+ text $w_recentlist \
+ -cursor $::cursor_ptr \
+ -relief flat \
+ -background [get_bg_color $w_body.recentlabel] \
+ -wrap none \
+ -width 50 \
+ -height $maxrecent
+ $w_recentlist tag conf link \
+ -foreground blue \
+ -underline 1
+ set home $::env(HOME)
+ if {[is_Cygwin]} {
+ set home [exec cygpath --windows --absolute $home]
+ }
+ set home "[file normalize $home]/"
+ set hlen [string length $home]
+ foreach p $sorted_recent {
+ set path $p
+ if {[string equal -length $hlen $home $p]} {
+ set p "~/[string range $p $hlen end]"
+ }
+ regsub -all "\n" $p "\\n" p
+ $w_recentlist insert end $p link
+ $w_recentlist insert end "\n"
+
+ if {$m_repo ne {}} {
+ $m_repo add command \
+ -command [cb _open_recent_path $path] \
+ -label " $p"
+ }
+ }
+ $w_recentlist conf -state disabled
+ $w_recentlist tag bind link <1> [cb _open_recent %x,%y]
+ pack $w_body.space -anchor w -fill x
+ pack $w_body.recentlabel -anchor w -fill x
+ pack $w_recentlist -anchor w -fill x
+ }
+ pack $w_body -fill x -padx 10 -pady 10
+
+ ${NS}::frame $w.buttons
+ set w_next $w.buttons.next
+ set w_quit $w.buttons.quit
+ ${NS}::button $w_quit \
+ -text [mc "Quit"] \
+ -command exit
+ pack $w_quit -side right -padx 5
+ pack $w.buttons -side bottom -fill x -padx 10 -pady 10
+
+ if {$m_repo ne {}} {
+ $m_repo add separator
+ $m_repo add command \
+ -label [mc Quit] \
+ -command exit \
+ -accelerator $M1T-Q
+ }
+
+ bind $top <Return> [cb _invoke_next]
+ bind $top <Visibility> "
+ [cb _center]
+ grab $top
+ focus $top
+ bind $top <Visibility> {}
+ "
+ wm deiconify $top
+ tkwait variable @done
+
+ grab release $top
+ if {$top eq {.}} {
+ eval destroy [winfo children $top]
+ }
+}
+
+method _center {} {
+ set nx [winfo reqwidth $top]
+ set ny [winfo reqheight $top]
+ set rx [expr {([winfo screenwidth $top] - $nx) / 3}]
+ set ry [expr {([winfo screenheight $top] - $ny) / 3}]
+ wm geometry $top [format {+%d+%d} $rx $ry]
+}
+
+method _invoke_next {} {
+ if {[winfo exists $w_next]} {
+ uplevel #0 [$w_next cget -command]
+ }
+}
+
+proc _get_recentrepos {} {
+ set recent [list]
+ foreach p [get_config gui.recentrepo] {
+ if {[_is_git [file join $p .git]]} {
+ lappend recent $p
+ } else {
+ _unset_recentrepo $p
+ }
+ }
+ return [lsort $recent]
+}
+
+proc _unset_recentrepo {p} {
+ regsub -all -- {([()\[\]{}\.^$+*?\\])} $p {\\\1} p
+ git config --global --unset gui.recentrepo "^$p\$"
+ load_config 1
+}
+
+proc _append_recentrepos {path} {
+ set path [file normalize $path]
+ set recent [get_config gui.recentrepo]
+
+ if {[lindex $recent end] eq $path} {
+ return
+ }
+
+ set i [lsearch $recent $path]
+ if {$i >= 0} {
+ _unset_recentrepo $path
+ set recent [lreplace $recent $i $i]
+ }
+
+ lappend recent $path
+ git config --global --add gui.recentrepo $path
+ load_config 1
+
+ if {[set maxrecent [get_config gui.maxrecentrepo]] eq {}} {
+ set maxrecent 10
+ }
+
+ while {[llength $recent] > $maxrecent} {
+ _unset_recentrepo [lindex $recent 0]
+ set recent [lrange $recent 1 end]
+ }
+}
+
+method _open_recent {xy} {
+ set id [lindex [split [$w_recentlist index @$xy] .] 0]
+ set local_path [lindex $sorted_recent [expr {$id - 1}]]
+ _do_open2 $this
+}
+
+method _open_recent_path {p} {
+ set local_path $p
+ _do_open2 $this
+}
+
+method _next {action} {
+ global NS
+ destroy $w_body
+ if {![winfo exists $w_next]} {
+ ${NS}::button $w_next -default active
+ set pos -before
+ if {[tk windowingsystem] eq "win32"} { set pos -after }
+ pack $w_next -side right -padx 5 $pos $w_quit
+ }
+ _do_$action $this
+}
+
+method _write_local_path {args} {
+ if {$local_path eq {}} {
+ $w_next conf -state disabled
+ } else {
+ $w_next conf -state normal
+ }
+}
+
+method _git_init {} {
+ if {[catch {file mkdir $local_path} err]} {
+ error_popup [strcat \
+ [mc "Failed to create repository %s:" $local_path] \
+ "\n\n$err"]
+ return 0
+ }
+
+ if {[catch {cd $local_path} err]} {
+ error_popup [strcat \
+ [mc "Failed to create repository %s:" $local_path] \
+ "\n\n$err"]
+ return 0
+ }
+
+ if {[catch {git init} err]} {
+ error_popup [strcat \
+ [mc "Failed to create repository %s:" $local_path] \
+ "\n\n$err"]
+ return 0
+ }
+
+ _append_recentrepos [pwd]
+ set ::_gitdir .git
+ set ::_prefix {}
+ return 1
+}
+
+proc _is_git {path {outdir_var ""}} {
+ if {$outdir_var ne ""} {
+ upvar 1 $outdir_var outdir
+ }
+ if {[file isfile $path]} {
+ set fp [open $path r]
+ gets $fp line
+ close $fp
+ if {[regexp "^gitdir: (.+)$" $line line link_target]} {
+ set path [file join [file dirname $path] $link_target]
+ set path [file normalize $path]
+ }
+ }
+
+ if {[file exists [file join $path HEAD]]
+ && [file exists [file join $path objects]]
+ && [file exists [file join $path config]]} {
+ set outdir $path
+ return 1
+ }
+ if {[is_Cygwin]} {
+ if {[file exists [file join $path HEAD]]
+ && [file exists [file join $path objects.lnk]]
+ && [file exists [file join $path config.lnk]]} {
+ set outdir $path
+ return 1
+ }
+ }
+ return 0
+}
+
+proc _objdir {path} {
+ set objdir [file join $path .git objects]
+ if {[file isdirectory $objdir]} {
+ return $objdir
+ }
+
+ set objdir [file join $path objects]
+ if {[file isdirectory $objdir]} {
+ return $objdir
+ }
+
+ if {[is_Cygwin]} {
+ set objdir [file join $path .git objects.lnk]
+ if {[file isfile $objdir]} {
+ return [win32_read_lnk $objdir]
+ }
+
+ set objdir [file join $path objects.lnk]
+ if {[file isfile $objdir]} {
+ return [win32_read_lnk $objdir]
+ }
+ }
+
+ return {}
+}
+
+######################################################################
+##
+## Create New Repository
+
+method _do_new {} {
+ global use_ttk NS
+ $w_next conf \
+ -state disabled \
+ -command [cb _do_new2] \
+ -text [mc "Create"]
+
+ ${NS}::frame $w_body
+ ${NS}::label $w_body.h \
+ -font font_uibold -anchor center \
+ -text [mc "Create New Repository"]
+ pack $w_body.h -side top -fill x -pady 10
+ pack $w_body -fill x -padx 10
+
+ ${NS}::frame $w_body.where
+ ${NS}::label $w_body.where.l -text [mc "Directory:"]
+ ${NS}::entry $w_body.where.t \
+ -textvariable @local_path \
+ -width 50
+ ${NS}::button $w_body.where.b \
+ -text [mc "Browse"] \
+ -command [cb _new_local_path]
+ set w_localpath $w_body.where.t
+
+ grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
+ pack $w_body.where -fill x
+
+ grid columnconfigure $w_body.where 1 -weight 1
+
+ trace add variable @local_path write [cb _write_local_path]
+ bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
+ update
+ focus $w_body.where.t
+}
+
+method _new_local_path {} {
+ if {$local_path ne {}} {
+ set p [file dirname $local_path]
+ } else {
+ set p [pwd]
+ }
+
+ set p [tk_chooseDirectory \
+ -initialdir $p \
+ -parent $top \
+ -title [mc "Git Repository"] \
+ -mustexist false]
+ if {$p eq {}} return
+
+ set p [file normalize $p]
+ if {![_new_ok $p]} {
+ return
+ }
+ set local_path $p
+ $w_localpath icursor end
+}
+
+method _do_new2 {} {
+ if {![_new_ok $local_path]} {
+ return
+ }
+ if {![_git_init $this]} {
+ return
+ }
+ set done 1
+}
+
+proc _new_ok {p} {
+ if {[file isdirectory $p]} {
+ if {[_is_git [file join $p .git]]} {
+ error_popup [mc "Directory %s already exists." $p]
+ return 0
+ }
+ } elseif {[file exists $p]} {
+ error_popup [mc "File %s already exists." $p]
+ return 0
+ }
+ return 1
+}
+
+######################################################################
+##
+## Clone Existing Repository
+
+method _do_clone {} {
+ global use_ttk NS
+ $w_next conf \
+ -state disabled \
+ -command [cb _do_clone2] \
+ -text [mc "Clone"]
+
+ ${NS}::frame $w_body
+ ${NS}::label $w_body.h \
+ -font font_uibold -anchor center \
+ -text [mc "Clone Existing Repository"]
+ pack $w_body.h -side top -fill x -pady 10
+ pack $w_body -fill x -padx 10
+
+ set args $w_body.args
+ ${NS}::frame $w_body.args
+ pack $args -fill both
+
+ ${NS}::label $args.origin_l -text [mc "Source Location:"]
+ ${NS}::entry $args.origin_t \
+ -textvariable @origin_url \
+ -width 50
+ ${NS}::button $args.origin_b \
+ -text [mc "Browse"] \
+ -command [cb _open_origin]
+ grid $args.origin_l $args.origin_t $args.origin_b -sticky ew
+
+ ${NS}::label $args.where_l -text [mc "Target Directory:"]
+ ${NS}::entry $args.where_t \
+ -textvariable @local_path \
+ -width 50
+ ${NS}::button $args.where_b \
+ -text [mc "Browse"] \
+ -command [cb _new_local_path]
+ grid $args.where_l $args.where_t $args.where_b -sticky ew
+ set w_localpath $args.where_t
+
+ ${NS}::label $args.type_l -text [mc "Clone Type:"]
+ ${NS}::frame $args.type_f
+ set w_types [list]
+ lappend w_types [${NS}::radiobutton $args.type_f.hardlink \
+ -state disabled \
+ -text [mc "Standard (Fast, Semi-Redundant, Hardlinks)"] \
+ -variable @clone_type \
+ -value hardlink]
+ lappend w_types [${NS}::radiobutton $args.type_f.full \
+ -state disabled \
+ -text [mc "Full Copy (Slower, Redundant Backup)"] \
+ -variable @clone_type \
+ -value full]
+ lappend w_types [${NS}::radiobutton $args.type_f.shared \
+ -state disabled \
+ -text [mc "Shared (Fastest, Not Recommended, No Backup)"] \
+ -variable @clone_type \
+ -value shared]
+ foreach r $w_types {
+ pack $r -anchor w
+ }
+ ${NS}::checkbutton $args.type_f.recursive \
+ -text [mc "Recursively clone submodules too"] \
+ -variable @recursive \
+ -onvalue true -offvalue false
+ pack $args.type_f.recursive -anchor w
+ grid $args.type_l $args.type_f -sticky new
+
+ grid columnconfigure $args 1 -weight 1
+
+ trace add variable @local_path write [cb _update_clone]
+ trace add variable @origin_url write [cb _update_clone]
+ bind $w_body.h <Destroy> "
+ [list trace remove variable @local_path write [cb _update_clone]]
+ [list trace remove variable @origin_url write [cb _update_clone]]
+ "
+ update
+ focus $args.origin_t
+}
+
+method _open_origin {} {
+ if {$origin_url ne {} && [file isdirectory $origin_url]} {
+ set p $origin_url
+ } else {
+ set p [pwd]
+ }
+
+ set p [tk_chooseDirectory \
+ -initialdir $p \
+ -parent $top \
+ -title [mc "Git Repository"] \
+ -mustexist true]
+ if {$p eq {}} return
+
+ set p [file normalize $p]
+ if {![_is_git [file join $p .git]] && ![_is_git $p]} {
+ error_popup [mc "Not a Git repository: %s" [file tail $p]]
+ return
+ }
+ set origin_url $p
+}
+
+method _update_clone {args} {
+ if {$local_path ne {} && $origin_url ne {}} {
+ $w_next conf -state normal
+ } else {
+ $w_next conf -state disabled
+ }
+
+ if {$origin_url ne {} &&
+ ( [_is_git [file join $origin_url .git]]
+ || [_is_git $origin_url])} {
+ set e normal
+ if {[[lindex $w_types 0] cget -state] eq {disabled}} {
+ set clone_type hardlink
+ }
+ } else {
+ set e disabled
+ set clone_type full
+ }
+
+ foreach r $w_types {
+ $r conf -state $e
+ }
+}
+
+method _do_clone2 {} {
+ if {[file isdirectory $origin_url]} {
+ set origin_url [file normalize $origin_url]
+ }
+
+ if {$clone_type eq {hardlink} && ![file isdirectory $origin_url]} {
+ error_popup [mc "Standard only available for local repository."]
+ return
+ }
+ if {$clone_type eq {shared} && ![file isdirectory $origin_url]} {
+ error_popup [mc "Shared only available for local repository."]
+ return
+ }
+
+ if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
+ set objdir [_objdir $origin_url]
+ if {$objdir eq {}} {
+ error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
+ return
+ }
+ }
+
+ set giturl $origin_url
+ if {[is_Cygwin] && [file isdirectory $giturl]} {
+ set giturl [exec cygpath --unix --absolute $giturl]
+ if {$clone_type eq {shared}} {
+ set objdir [exec cygpath --unix --absolute $objdir]
+ }
+ }
+
+ if {[file exists $local_path]} {
+ error_popup [mc "Location %s already exists." $local_path]
+ return
+ }
+
+ if {![_git_init $this]} return
+ set local_path [pwd]
+
+ if {[catch {
+ git config remote.$origin_name.url $giturl
+ git config remote.$origin_name.fetch +refs/heads/*:refs/remotes/$origin_name/*
+ } err]} {
+ error_popup [strcat [mc "Failed to configure origin"] "\n\n$err"]
+ return
+ }
+
+ destroy $w_body $w_next
+
+ switch -exact -- $clone_type {
+ hardlink {
+ set o_cons [status_bar::two_line $w_body]
+ pack $w_body -fill x -padx 10 -pady 10
+
+ $o_cons start \
+ [mc "Counting objects"] \
+ [mc "buckets"]
+ update
+
+ if {[file exists [file join $objdir info alternates]]} {
+ set pwd [pwd]
+ if {[catch {
+ file mkdir [gitdir objects info]
+ set f_in [open [file join $objdir info alternates] r]
+ set f_cp [open [gitdir objects info alternates] w]
+ fconfigure $f_in -translation binary -encoding binary
+ fconfigure $f_cp -translation binary -encoding binary
+ cd $objdir
+ while {[gets $f_in line] >= 0} {
+ if {[is_Cygwin]} {
+ puts $f_cp [exec cygpath --unix --absolute $line]
+ } else {
+ puts $f_cp [file normalize $line]
+ }
+ }
+ close $f_in
+ close $f_cp
+ cd $pwd
+ } err]} {
+ catch {cd $pwd}
+ _clone_failed $this [mc "Unable to copy objects/info/alternates: %s" $err]
+ return
+ }
+ }
+
+ set tolink [list]
+ set buckets [glob \
+ -tails \
+ -nocomplain \
+ -directory [file join $objdir] ??]
+ set bcnt [expr {[llength $buckets] + 2}]
+ set bcur 1
+ $o_cons update $bcur $bcnt
+ update
+
+ file mkdir [file join .git objects pack]
+ foreach i [glob -tails -nocomplain \
+ -directory [file join $objdir pack] *] {
+ lappend tolink [file join pack $i]
+ }
+ $o_cons update [incr bcur] $bcnt
+ update
+
+ foreach i $buckets {
+ file mkdir [file join .git objects $i]
+ foreach j [glob -tails -nocomplain \
+ -directory [file join $objdir $i] *] {
+ lappend tolink [file join $i $j]
+ }
+ $o_cons update [incr bcur] $bcnt
+ update
+ }
+ $o_cons stop
+
+ if {$tolink eq {}} {
+ info_popup [strcat \
+ [mc "Nothing to clone from %s." $origin_url] \
+ "\n" \
+ [mc "The 'master' branch has not been initialized."] \
+ ]
+ destroy $w_body
+ set done 1
+ return
+ }
+
+ set i [lindex $tolink 0]
+ if {[catch {
+ file link -hard \
+ [file join .git objects $i] \
+ [file join $objdir $i]
+ } err]} {
+ info_popup [mc "Hardlinks are unavailable. Falling back to copying."]
+ set i [_copy_files $this $objdir $tolink]
+ } else {
+ set i [_link_files $this $objdir [lrange $tolink 1 end]]
+ }
+ if {!$i} return
+
+ destroy $w_body
+ }
+ full {
+ set o_cons [console::embed \
+ $w_body \
+ [mc "Cloning from %s" $origin_url]]
+ pack $w_body -fill both -expand 1 -padx 10
+ $o_cons exec \
+ [list git fetch --no-tags -k $origin_name] \
+ [cb _do_clone_tags]
+ }
+ shared {
+ set fd [open [gitdir objects info alternates] w]
+ fconfigure $fd -translation binary
+ puts $fd $objdir
+ close $fd
+ }
+ }
+
+ if {$clone_type eq {hardlink} || $clone_type eq {shared}} {
+ if {![_clone_refs $this]} return
+ set pwd [pwd]
+ if {[catch {
+ cd $origin_url
+ set HEAD [git rev-parse --verify HEAD^0]
+ } err]} {
+ _clone_failed $this [mc "Not a Git repository: %s" [file tail $origin_url]]
+ return 0
+ }
+ cd $pwd
+ _do_clone_checkout $this $HEAD
+ }
+}
+
+method _copy_files {objdir tocopy} {
+ $o_cons start \
+ [mc "Copying objects"] \
+ [mc "KiB"]
+ set tot 0
+ set cmp 0
+ foreach p $tocopy {
+ incr tot [file size [file join $objdir $p]]
+ }
+ foreach p $tocopy {
+ if {[catch {
+ set f_in [open [file join $objdir $p] r]
+ set f_cp [open [file join .git objects $p] w]
+ fconfigure $f_in -translation binary -encoding binary
+ fconfigure $f_cp -translation binary -encoding binary
+
+ while {![eof $f_in]} {
+ incr cmp [fcopy $f_in $f_cp -size 16384]
+ $o_cons update \
+ [expr {$cmp / 1024}] \
+ [expr {$tot / 1024}]
+ update
+ }
+
+ close $f_in
+ close $f_cp
+ } err]} {
+ _clone_failed $this [mc "Unable to copy object: %s" $err]
+ return 0
+ }
+ }
+ return 1
+}
+
+method _link_files {objdir tolink} {
+ set total [llength $tolink]
+ $o_cons start \
+ [mc "Linking objects"] \
+ [mc "objects"]
+ for {set i 0} {$i < $total} {} {
+ set p [lindex $tolink $i]
+ if {[catch {
+ file link -hard \
+ [file join .git objects $p] \
+ [file join $objdir $p]
+ } err]} {
+ _clone_failed $this [mc "Unable to hardlink object: %s" $err]
+ return 0
+ }
+
+ incr i
+ if {$i % 5 == 0} {
+ $o_cons update $i $total
+ update
+ }
+ }
+ return 1
+}
+
+method _clone_refs {} {
+ set pwd [pwd]
+ if {[catch {cd $origin_url} err]} {
+ error_popup [mc "Not a Git repository: %s" [file tail $origin_url]]
+ return 0
+ }
+ set fd_in [git_read for-each-ref \
+ --tcl \
+ {--format=list %(refname) %(objectname) %(*objectname)}]
+ cd $pwd
+
+ set fd [open [gitdir packed-refs] w]
+ fconfigure $fd -translation binary
+ puts $fd "# pack-refs with: peeled"
+ while {[gets $fd_in line] >= 0} {
+ set line [eval $line]
+ set refn [lindex $line 0]
+ set robj [lindex $line 1]
+ set tobj [lindex $line 2]
+
+ if {[regsub ^refs/heads/ $refn \
+ "refs/remotes/$origin_name/" refn]} {
+ puts $fd "$robj $refn"
+ } elseif {[string match refs/tags/* $refn]} {
+ puts $fd "$robj $refn"
+ if {$tobj ne {}} {
+ puts $fd "^$tobj"
+ }
+ }
+ }
+ close $fd_in
+ close $fd
+ return 1
+}
+
+method _do_clone_tags {ok} {
+ if {$ok} {
+ $o_cons exec \
+ [list git fetch --tags -k $origin_name] \
+ [cb _do_clone_HEAD]
+ } else {
+ $o_cons done $ok
+ _clone_failed $this [mc "Cannot fetch branches and objects. See console output for details."]
+ }
+}
+
+method _do_clone_HEAD {ok} {
+ if {$ok} {
+ $o_cons exec \
+ [list git fetch $origin_name HEAD] \
+ [cb _do_clone_full_end]
+ } else {
+ $o_cons done $ok
+ _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
+ }
+}
+
+method _do_clone_full_end {ok} {
+ $o_cons done $ok
+
+ if {$ok} {
+ destroy $w_body
+
+ set HEAD {}
+ if {[file exists [gitdir FETCH_HEAD]]} {
+ set fd [open [gitdir FETCH_HEAD] r]
+ while {[gets $fd line] >= 0} {
+ if {[regexp "^(.{40})\t\t" $line line HEAD]} {
+ break
+ }
+ }
+ close $fd
+ }
+
+ catch {git pack-refs}
+ _do_clone_checkout $this $HEAD
+ } else {
+ _clone_failed $this [mc "Cannot determine HEAD. See console output for details."]
+ }
+}
+
+method _clone_failed {{why {}}} {
+ if {[catch {file delete -force $local_path} err]} {
+ set why [strcat \
+ $why \
+ "\n\n" \
+ [mc "Unable to cleanup %s" $local_path] \
+ "\n\n" \
+ $err]
+ }
+ if {$why ne {}} {
+ update
+ error_popup [strcat [mc "Clone failed."] "\n" $why]
+ }
+}
+
+method _do_clone_checkout {HEAD} {
+ if {$HEAD eq {}} {
+ info_popup [strcat \
+ [mc "No default branch obtained."] \
+ "\n" \
+ [mc "The 'master' branch has not been initialized."] \
+ ]
+ set done 1
+ return
+ }
+ if {[catch {
+ git update-ref HEAD $HEAD^0
+ } err]} {
+ info_popup [strcat \
+ [mc "Cannot resolve %s as a commit." $HEAD^0] \
+ "\n $err" \
+ "\n" \
+ [mc "The 'master' branch has not been initialized."] \
+ ]
+ set done 1
+ return
+ }
+
+ set o_cons [status_bar::two_line $w_body]
+ pack $w_body -fill x -padx 10 -pady 10
+ $o_cons start \
+ [mc "Creating working directory"] \
+ [mc "files"]
+
+ set readtree_err {}
+ set fd [git_read --stderr read-tree \
+ -m \
+ -u \
+ -v \
+ HEAD \
+ HEAD \
+ ]
+ fconfigure $fd -blocking 0 -translation binary
+ fileevent $fd readable [cb _readtree_wait $fd]
+}
+
+method _do_validate_submodule_cloning {ok} {
+ if {$ok} {
+ $o_cons done $ok
+ set done 1
+ } else {
+ _clone_failed $this [mc "Cannot clone submodules."]
+ }
+}
+
+method _do_clone_submodules {} {
+ if {$recursive eq {true}} {
+ destroy $w_body
+ set o_cons [console::embed \
+ $w_body \
+ [mc "Cloning submodules"]]
+ pack $w_body -fill both -expand 1 -padx 10
+ $o_cons exec \
+ [list git submodule update --init --recursive] \
+ [cb _do_validate_submodule_cloning]
+ } else {
+ set done 1
+ }
+}
+
+method _readtree_wait {fd} {
+ set buf [read $fd]
+ $o_cons update_meter $buf
+ append readtree_err $buf
+
+ fconfigure $fd -blocking 1
+ if {![eof $fd]} {
+ fconfigure $fd -blocking 0
+ return
+ }
+
+ if {[catch {close $fd}]} {
+ set err $readtree_err
+ regsub {^fatal: } $err {} err
+ error_popup [strcat \
+ [mc "Initial file checkout failed."] \
+ "\n\n$err"]
+ return
+ }
+
+ # -- Run the post-checkout hook.
+ #
+ set fd_ph [githook_read post-checkout [string repeat 0 40] \
+ [git rev-parse HEAD] 1]
+ if {$fd_ph ne {}} {
+ global pch_error
+ set pch_error {}
+ fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
+ fileevent $fd_ph readable [cb _postcheckout_wait $fd_ph]
+ } else {
+ _do_clone_submodules $this
+ }
+}
+
+method _postcheckout_wait {fd_ph} {
+ global pch_error
+
+ append pch_error [read $fd_ph]
+ fconfigure $fd_ph -blocking 1
+ if {[eof $fd_ph]} {
+ if {[catch {close $fd_ph}]} {
+ hook_failed_popup post-checkout $pch_error 0
+ }
+ unset pch_error
+ _do_clone_submodules $this
+ return
+ }
+ fconfigure $fd_ph -blocking 0
+}
+
+######################################################################
+##
+## Open Existing Repository
+
+method _do_open {} {
+ global NS
+ $w_next conf \
+ -state disabled \
+ -command [cb _do_open2] \
+ -text [mc "Open"]
+
+ ${NS}::frame $w_body
+ ${NS}::label $w_body.h \
+ -font font_uibold -anchor center \
+ -text [mc "Open Existing Repository"]
+ pack $w_body.h -side top -fill x -pady 10
+ pack $w_body -fill x -padx 10
+
+ ${NS}::frame $w_body.where
+ ${NS}::label $w_body.where.l -text [mc "Repository:"]
+ ${NS}::entry $w_body.where.t \
+ -textvariable @local_path \
+ -width 50
+ ${NS}::button $w_body.where.b \
+ -text [mc "Browse"] \
+ -command [cb _open_local_path]
+
+ grid $w_body.where.l $w_body.where.t $w_body.where.b -sticky ew
+ pack $w_body.where -fill x
+
+ grid columnconfigure $w_body.where 1 -weight 1
+
+ trace add variable @local_path write [cb _write_local_path]
+ bind $w_body.h <Destroy> [list trace remove variable @local_path write [cb _write_local_path]]
+ update
+ focus $w_body.where.t
+}
+
+method _open_local_path {} {
+ if {$local_path ne {}} {
+ set p $local_path
+ } else {
+ set p [pwd]
+ }
+
+ set p [tk_chooseDirectory \
+ -initialdir $p \
+ -parent $top \
+ -title [mc "Git Repository"] \
+ -mustexist true]
+ if {$p eq {}} return
+
+ set p [file normalize $p]
+ if {![_is_git [file join $p .git]]} {
+ error_popup [mc "Not a Git repository: %s" [file tail $p]]
+ return
+ }
+ set local_path $p
+}
+
+method _do_open2 {} {
+ if {![_is_git [file join $local_path .git] actualgit]} {
+ error_popup [mc "Not a Git repository: %s" [file tail $local_path]]
+ return
+ }
+
+ if {[catch {cd $local_path} err]} {
+ error_popup [strcat \
+ [mc "Failed to open repository %s:" $local_path] \
+ "\n\n$err"]
+ return
+ }
+
+ _append_recentrepos [pwd]
+ set ::_gitdir $actualgit
+ set ::_prefix {}
+ set done 1
+}
+
+}