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Merge git://git.bogomips.org/git-svn

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* 'master' of git://git.bogomips.org/git-svn:
  git-svn: memoize _rev_list and rebuild
This commit is contained in:
Junio C Hamano 2014-01-23 08:51:14 -08:00
commit b21c0bc8e6
1 changed files with 38 additions and 3 deletions
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41
perl/Git/SVN.pm
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@ -1599,6 +1599,7 @@ sub tie_for_persistent_memoization {
my %lookup_svn_merge_cache;
my %check_cherry_pick_cache;
my %has_no_changes_cache;
my %_rev_list_cache;
tie_for_persistent_memoization(\%lookup_svn_merge_cache,
"$cache_path/lookup_svn_merge");
@ -1620,6 +1621,14 @@ sub tie_for_persistent_memoization {
SCALAR_CACHE => ['HASH' => \%has_no_changes_cache],
LIST_CACHE => 'FAULT',
;
tie_for_persistent_memoization(\%_rev_list_cache,
"$cache_path/_rev_list");
memoize '_rev_list',
SCALAR_CACHE => 'FAULT',
LIST_CACHE => ['HASH' => \%_rev_list_cache],
;
}
sub unmemoize_svn_mergeinfo_functions {
@ -1629,6 +1638,7 @@ sub tie_for_persistent_memoization {
Memoize::unmemoize 'lookup_svn_merge';
Memoize::unmemoize 'check_cherry_pick';
Memoize::unmemoize 'has_no_changes';
Memoize::unmemoize '_rev_list';
}
sub clear_memoized_mergeinfo_caches {
@ -1959,11 +1969,25 @@ sub rebuild_from_rev_db {
unlink $path or croak "unlink: $!";
}
#define a global associate map to record rebuild status
my %rebuild_status;
#define a global associate map to record rebuild verify status
my %rebuild_verify_status;
sub rebuild {
my ($self) = @_;
my $map_path = $self->map_path;
my $partial = (-e $map_path && ! -z $map_path);
return unless ::verify_ref($self->refname.'^0');
my $verify_key = $self->refname.'^0';
if (!$rebuild_verify_status{$verify_key}) {
my $verify_result = ::verify_ref($verify_key);
if ($verify_result) {
$rebuild_verify_status{$verify_key} = 1;
}
}
if (!$rebuild_verify_status{$verify_key}) {
return;
}
if (!$partial && ($self->use_svm_props || $self->no_metadata)) {
my $rev_db = $self->rev_db_path;
$self->rebuild_from_rev_db($rev_db);
@ -1977,10 +2001,21 @@ sub rebuild {
print "Rebuilding $map_path ...\n" if (!$partial);
my ($base_rev, $head) = ($partial ? $self->rev_map_max_norebuild(1) :
(undef, undef));
my $key_value = ($head ? "$head.." : "") . $self->refname;
if (exists $rebuild_status{$key_value}) {
print "Done rebuilding $map_path\n" if (!$partial || !$head);
my $rev_db_path = $self->rev_db_path;
if (-f $self->rev_db_path) {
unlink $self->rev_db_path or croak "unlink: $!";
}
$self->unlink_rev_db_symlink;
return;
}
my ($log, $ctx) =
command_output_pipe(qw/rev-list --pretty=raw --reverse/,
($head ? "$head.." : "") . $self->refname,
command_output_pipe(qw/rev-list --pretty=raw --reverse/,
$key_value,
'--');
$rebuild_status{$key_value} = 1;
my $metadata_url = $self->metadata_url;
remove_username($metadata_url);
my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid;