field w_quit ; # Quit button
field o_cons ; # Console object (if active)
-# Status mega-widget instance during _do_clone2 (used by _copy_files and
-# _link_files). Widget is destroyed before _do_clone2 calls
-# _do_clone_checkout
-field o_status
-
-# Operation displayed by status mega-widget during _do_clone_checkout =>
-# _readtree_wait => _postcheckout_wait => _do_clone_submodules =>
-# _do_validate_submodule_cloning. The status mega-widget is a different
-# instance than that stored in $o_status in earlier operations.
-field o_status_op
-
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 clone_ok false ; # clone succeeeded
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'
return 1
}
-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 $objdir
- }
-
- return {}
-}
-
######################################################################
##
## Create New Repository
return
}
- if {$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 {[file 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
+ set clone_options {--progress}
+ if {$recursive} {
+ append clone_options { --recurse-submodules}
}
destroy $w_body $w_next
switch -exact -- $clone_type {
- hardlink {
- set o_status [status_bar::two_line $w_body]
- pack $w_body -fill x -padx 10 -pady 10
-
- set status_op [$o_status 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 [safe_open_file [file join $objdir info alternates] r]
- set f_cp [safe_open_file [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} {
- 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]
- $status_op stop
- return
- }
+ full {
+ append clone_options { --no-hardlinks --no-local}
}
-
- set tolink [list]
- set buckets [glob \
- -tails \
- -nocomplain \
- -directory [file join $objdir] ??]
- set bcnt [expr {[llength $buckets] + 2}]
- set bcur 1
- $status_op 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]
- }
- $status_op 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]
- }
- $status_op update [incr bcur] $bcnt
- update
- }
- $status_op stop
-
- if {$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 $tolink 1 end]]
+ shared {
+ append clone_options { --shared}
}
- if {!$i} return
-
- destroy $w_body
-
- set o_status {}
}
- full {
+
+ if {[catch {
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 [safe_open_file [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 $HEAD
- }
-}
-
-method _copy_files {objdir tocopy} {
- set status_op [$o_status 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 [safe_open_file [file join $objdir $p] r]
- set f_cp [safe_open_file [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]
- $status_op update \
- [expr {$cmp / 1024}] \
- [expr {$tot / 1024}]
- update
- }
-
- close $f_in
- close $f_cp
- } err]} {
- _clone_failed $this [mc "Unable to copy object: %s" $err]
- $status_op stop
- return 0
- }
- }
- $status_op stop
- return 1
-}
-
-method _link_files {objdir tolink} {
- set total [llength $tolink]
- set status_op [$o_status 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]
- $status_op stop
- return 0
- }
-
- incr i
- if {$i % 5 == 0} {
- $status_op update $i $total
- update
- }
- }
- $status_op stop
- 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 [list for-each-ref \
- --tcl \
- {--format=list %(refname) %(objectname) %(*objectname)}]]
- cd $pwd
-
- set fd [safe_open_file [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 $this [mc "Cannot fetch branches and objects. See console output for details."]
+ [list git clone {*}$clone_options $origin_url $local_path] \
+ [cb _do_clone2_done]
+ } err]} {
+ error_popup [strcat [mc "Clone failed."] "\n" $err]
+ return
}
-}
-method _do_clone_HEAD {ok} {
- if {$ok} {
- $o_cons exec \
- [list git fetch $origin_name HEAD] \
- [cb _do_clone_full_end]
- } else {
- $o_cons done $ok
- _clone_failed $this [mc "Cannot fetch tags. See console output for details."]
+ tkwait variable @done
+ if {!$clone_ok} {
+ error_popup [mc "Clone failed."]
+ return
}
}
-method _do_clone_full_end {ok} {
+method _do_clone2_done {ok} {
$o_cons done $ok
-
if {$ok} {
- destroy $w_body
-
- set HEAD {}
- if {[file exists [gitdir FETCH_HEAD]]} {
- set fd [safe_open_file [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
+ if {[catch {
+ cd $local_path
+ set ::_gitdir .git
+ set ::_prefix {}
+ _append_recentrepos [pwd]
} 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 status [status_bar::two_line $w_body]
- pack $w_body -fill x -padx 10 -pady 10
-
- # We start the status operation here.
- #
- # This function calls _readtree_wait as a callback.
- #
- # _readtree_wait in turn either calls _do_clone_submodules directly,
- # or calls _postcheckout_wait as a callback which then calls
- # _do_clone_submodules.
- #
- # _do_clone_submodules calls _do_validate_submodule_cloning.
- #
- # _do_validate_submodule_cloning stops the status operation.
- #
- # There are no other calls into this chain from other code.
-
- set o_status_op [$status start \
- [mc "Creating working directory"] \
- [mc "files"]]
-
- set readtree_err {}
- set fd [git_read [list read-tree \
- -m \
- -u \
- -v \
- HEAD \
- HEAD \
- ] \
- [list 2>@1]]
- fconfigure $fd -blocking 0 -translation binary
- fileevent $fd readable [cb _readtree_wait $fd]
-}
-
-method _readtree_wait {fd} {
- set buf [read $fd]
- $o_status_op 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
+ set ok 0
}
- unset pch_error
- _do_clone_submodules $this
- return
}
- fconfigure $fd_ph -blocking 0
-}
-
-method _do_clone_submodules {} {
- if {$recursive eq {true}} {
- $o_status_op stop
- set o_status_op {}
-
- destroy $w_body
-
- set o_cons [console::embed \
- $w_body \
- [mc "Cloning submodules"]]
- pack $w_body -fill both -expand 1 -padx 10
- $o_cons exec \
- [list git submodule update --init --recursive] \
- [cb _do_validate_submodule_cloning]
- } else {
- set done 1
+ if {!$ok} {
+ set ::_gitdir {}
+ set ::_prefix {}
}
+ set clone_ok $ok
+ set done 1
}
-method _do_validate_submodule_cloning {ok} {
- if {$ok} {
- $o_cons done $ok
- set done 1
- } else {
- _clone_failed $this [mc "Cannot clone submodules."]
- }
-}
######################################################################
##