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git-svn: remove mergeinfo rev caching
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>
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@ -1710,32 +1710,20 @@ sub mergeinfo_changes {
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my %minfo = map {split ":", $_ } split "\n", $mergeinfo_prop;
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my $old_minfo = {};
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# Initialize cache on the first call.
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unless (defined $self->{cached_mergeinfo_rev}) {
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$self->{cached_mergeinfo_rev} = {};
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my $ra = $self->ra;
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# Give up if $old_path isn't in the repo.
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# This is probably a merge on a subtree.
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if ($ra->check_path($old_path, $old_rev) != $SVN::Node::dir) {
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warn "W: ignoring svn:mergeinfo on $old_path, ",
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"directory didn't exist in r$old_rev\n";
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return {};
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}
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my $cached_rev = $self->{cached_mergeinfo_rev}{$old_path};
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unless (defined $cached_rev && $cached_rev == $old_rev) {
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my $ra = $self->ra;
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# Give up if $old_path isn't in the repo.
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# This is probably a merge on a subtree.
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if ($ra->check_path($old_path, $old_rev) != $SVN::Node::dir) {
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warn "W: ignoring svn:mergeinfo on $old_path, ",
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"directory didn't exist in r$old_rev\n";
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return {};
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}
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}
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my (undef, undef, $props) = $self->ra->get_dir($old_path, $old_rev);
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my (undef, undef, $props) = $ra->get_dir($old_path, $old_rev);
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if (defined $props->{"svn:mergeinfo"}) {
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my %omi = map {split ":", $_ } split "\n",
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$props->{"svn:mergeinfo"};
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$old_minfo = \%omi;
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}
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$self->{cached_mergeinfo_rev}{$old_path} = $old_rev;
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# Cache the new mergeinfo.
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$self->{cached_mergeinfo_rev}{$path} = $rev;
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my %changes = ();
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foreach my $p (keys %minfo) {
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