undef/git-commit-vandalism
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git-svn: use git-log rather than rev-list | xargs cat-file

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This saves a bit of time when rebuilding the git-svn index.

Signed-off-by: Sam Vilain <sam.vilain@catalyst.net.nz>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Sam Vilain 2007-06-30 20:56:13 +12:00 committed by Junio C Hamano
parent 06f59e9f5d
commit 3dfab993c8
1 changed files with 22 additions and 14 deletions
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36
git-svn.perl
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@ -787,12 +787,12 @@ sub read_repo_config {
sub extract_metadata {
my $id = shift or return (undef, undef, undef);
my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+)
my ($url, $rev, $uuid) = ($id =~ /^\s*git-svn-id:\s+(.*)\@(\d+)
\s([a-f\d\-]+)$/x);
if (!defined $rev || !$uuid || !$url) {
# some of the original repositories I made had
# identifiers like this:
($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)\@([a-f\d\-]+)/);
($rev, $uuid) = ($id =~/^\s*git-svn-id:\s(\d+)\@([a-f\d\-]+)/);
}
return ($url, $rev, $uuid);
}
@ -804,10 +804,16 @@ sub cmt_metadata {
sub working_head_info {
my ($head, $refs) = @_;
my ($fh, $ctx) = command_output_pipe('rev-list', $head);
while (my $hash = <$fh>) {
chomp($hash);
my ($url, $rev, $uuid) = cmt_metadata($hash);
my ($fh, $ctx) = command_output_pipe('log', $head);
my $hash;
while (<$fh>) {
if ( m{^commit ($::sha1)$} ) {
unshift @$refs, $hash if $hash and $refs;
$hash = $1;
next;
}
next unless s{^\s*(git-svn-id:)}{$1};
my ($url, $rev, $uuid) = extract_metadata($_);
if (defined $url && defined $rev) {
if (my $gs = Git::SVN->find_by_url($url)) {
my $c = $gs->rev_db_get($rev);
@ -817,7 +823,6 @@ sub working_head_info {
}
}
}
unshift @$refs, $hash if $refs;
}
command_close_pipe($fh, $ctx);
(undef, undef, undef, undef);
@ -1966,16 +1971,19 @@ sub rebuild {
return;
}
print "Rebuilding $db_path ...\n";
my ($rev_list, $ctx) = command_output_pipe("rev-list", $self->refname);
my ($log, $ctx) = command_output_pipe("log", $self->refname);
my $latest;
my $full_url = $self->full_url;
remove_username($full_url);
my $svn_uuid;
while (<$rev_list>) {
chomp;
my $c = $_;
die "Non-SHA1: $c\n" unless $c =~ /^$::sha1$/o;
my ($url, $rev, $uuid) = ::cmt_metadata($c);
my $c;
while (<$log>) {
if ( m{^commit ($::sha1)$} ) {
$c = $1;
next;
}
next unless s{^\s*(git-svn-id:)}{$1};
my ($url, $rev, $uuid) = ::extract_metadata($_);
remove_username($url);
# ignore merges (from set-tree)
@ -1993,7 +2001,7 @@ sub rebuild {
$self->rev_db_set($rev, $c);
print "r$rev = $c\n";
}
command_close_pipe($rev_list, $ctx);
command_close_pipe($log, $ctx);
print "Done rebuilding $db_path\n";
}