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git/lib/remote.tcl
Shawn O. Pearce 5b6ffff644 git-gui: GUI support for running 'git remote prune <name>'
In some workflows it is common for a large number of temporary
branches to be created in a remote repository, get fetched to
clients that typically only use git-gui, and then later have
those branches deleted from the remote repository once they have
been fully merged into all destination branches.  Users of git-gui
would obviously like to have their local tracking branches cleaned
up for them, otherwise their local tracking branch namespace would
grow out of control.

The best known way to remove these tracking branches is to run
"git remote prune <remotename>".  Even though it is more of a
Porcelain command than plumbing I'm invoking it through the UI,
because frankly I don't see a reason to reimplement its ls-remote
output filtering and config file parsing.

A new configuration option (gui.pruneduringfetch) can be used to
automatically enable running "git remote prune <remotename>" after
the fetch of that remote also completes successfully.  This is off
by default as it require an additional network connection and is
not very fast on Cygwin if a large number of tracking branches have
been removed (due to the 2 fork+exec calls per branch).

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-05-28 17:50:40 -04:00

170 lines
3.4 KiB
Tcl

# git-gui remote management
# Copyright (C) 2006, 2007 Shawn Pearce
proc is_tracking_branch {name} {
global tracking_branches
if {![catch {set info $tracking_branches($name)}]} {
return 1
}
foreach t [array names tracking_branches] {
if {[string match {*/\*} $t] && [string match $t $name]} {
return 1
}
}
return 0
}
proc all_tracking_branches {} {
global tracking_branches
set all_trackings {}
set cmd {}
foreach name [array names tracking_branches] {
if {[regsub {/\*$} $name {} name]} {
lappend cmd $name
} else {
regsub ^refs/(heads|remotes)/ $name {} name
lappend all_trackings $name
}
}
if {$cmd ne {}} {
set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
while {[gets $fd name] > 0} {
regsub ^refs/(heads|remotes)/ $name {} name
lappend all_trackings $name
}
close $fd
}
return [lsort -unique $all_trackings]
}
proc load_all_remotes {} {
global repo_config
global all_remotes tracking_branches
set all_remotes [list]
array unset tracking_branches
set rm_dir [gitdir remotes]
if {[file isdirectory $rm_dir]} {
set all_remotes [glob \
-types f \
-tails \
-nocomplain \
-directory $rm_dir *]
foreach name $all_remotes {
catch {
set fd [open [file join $rm_dir $name] r]
while {[gets $fd line] >= 0} {
if {![regexp {^Pull:[ ]*([^:]+):(.+)$} \
$line line src dst]} continue
if {![regexp ^refs/ $dst]} {
set dst "refs/heads/$dst"
}
set tracking_branches($dst) [list $name $src]
}
close $fd
}
}
}
foreach line [array names repo_config remote.*.url] {
if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
lappend all_remotes $name
if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
set fl {}
}
foreach line $fl {
if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
if {![regexp ^refs/ $dst]} {
set dst "refs/heads/$dst"
}
set tracking_branches($dst) [list $name $src]
}
}
set all_remotes [lsort -unique $all_remotes]
}
proc populate_fetch_menu {} {
global all_remotes repo_config
set m .mbar.fetch
set prune_list [list]
foreach r $all_remotes {
set enable 0
if {![catch {set a $repo_config(remote.$r.url)}]} {
if {![catch {set a $repo_config(remote.$r.fetch)}]} {
set enable 1
}
} else {
catch {
set fd [open [gitdir remotes $r] r]
while {[gets $fd n] >= 0} {
if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
set enable 1
break
}
}
close $fd
}
}
if {$enable} {
lappend prune_list $r
$m add command \
-label "Fetch from $r..." \
-command [list fetch_from $r]
}
}
if {$prune_list ne {}} {
$m add separator
}
foreach r $prune_list {
$m add command \
-label "Prune from $r..." \
-command [list prune_from $r]
}
}
proc populate_push_menu {} {
global all_remotes repo_config
set m .mbar.push
set fast_count 0
foreach r $all_remotes {
set enable 0
if {![catch {set a $repo_config(remote.$r.url)}]} {
if {![catch {set a $repo_config(remote.$r.push)}]} {
set enable 1
}
} else {
catch {
set fd [open [gitdir remotes $r] r]
while {[gets $fd n] >= 0} {
if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
set enable 1
break
}
}
close $fd
}
}
if {$enable} {
if {!$fast_count} {
$m add separator
}
$m add command \
-label "Push to $r..." \
-command [list push_to $r]
incr fast_count
}
}
}