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git-svn: remove mergeinfo rev caching

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This should further reduce memory usage from the new mergeinfo
speedups without hurting performance too much, assuming
reasonable latency to the SVN server.

Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Suggested-by: Jakob Stoklund Olesen <stoklund@2pi.dk>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Eric Wong 2014-10-21 06:23:22 +00:00
parent 54b95346c1
commit 2b6c613f1a
1 changed files with 8 additions and 20 deletions
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28
perl/Git/SVN.pm
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@ -1710,32 +1710,20 @@ sub mergeinfo_changes {
my %minfo = map {split ":", $_ } split "\n", $mergeinfo_prop;
my $old_minfo = {};
# Initialize cache on the first call.
unless (defined $self->{cached_mergeinfo_rev}) {
$self->{cached_mergeinfo_rev} = {};
my $ra = $self->ra;
# Give up if $old_path isn't in the repo.
# This is probably a merge on a subtree.
if ($ra->check_path($old_path, $old_rev) != $SVN::Node::dir) {
warn "W: ignoring svn:mergeinfo on $old_path, ",
"directory didn't exist in r$old_rev\n";
return {};
}
my $cached_rev = $self->{cached_mergeinfo_rev}{$old_path};
unless (defined $cached_rev && $cached_rev == $old_rev) {
my $ra = $self->ra;
# Give up if $old_path isn't in the repo.
# This is probably a merge on a subtree.
if ($ra->check_path($old_path, $old_rev) != $SVN::Node::dir) {
warn "W: ignoring svn:mergeinfo on $old_path, ",
"directory didn't exist in r$old_rev\n";
return {};
}
}
my (undef, undef, $props) = $self->ra->get_dir($old_path, $old_rev);
my (undef, undef, $props) = $ra->get_dir($old_path, $old_rev);
if (defined $props->{"svn:mergeinfo"}) {
my %omi = map {split ":", $_ } split "\n",
$props->{"svn:mergeinfo"};
$old_minfo = \%omi;
}
$self->{cached_mergeinfo_rev}{$old_path} = $old_rev;
# Cache the new mergeinfo.
$self->{cached_mergeinfo_rev}{$path} = $rev;
my %changes = ();
foreach my $p (keys %minfo) {