Re: [PATCH] gitweb: prefer git_get_project_owner() over get_file_owner()

[Junio C Hamano <gitster@pobox.com>]

Miklos Vajna <vmiklos@frugalware.org> writes:

> This way if $projects_list exists, it'll be used, otherwise get_file_owner()
> will be used as before.
>
> Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>

The patch looks good to me.

HOWEVER.

It strikes me that repeated call to git_get_project_owner()
would be way too inefficient.  Not caller's fault.

How about doing something like this on top of your patch?

 gitweb/gitweb.perl |   28 ++++++++++++++++++++--------
 1 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index dbfb044..f114585 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1465,12 +1465,12 @@ sub git_get_projects_list {
 	return @list;
 }
 
-sub git_get_project_owner {
-	my $project = shift;
-	my $owner;
+our $gitweb_project_owner = undef;
+sub git_get_project_list_from_file {
 
-	return undef unless $project;
+	return if (defined $gitweb_project_owner);
 
+	$gitweb_project_owner = {};
 	# read from file (url-encoded):
 	# 'git%2Fgit.git Linus+Torvalds'
 	# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
@@ -1482,13 +1482,25 @@ sub git_get_project_owner {
 			my ($pr, $ow) = split ' ', $line;
 			$pr = unescape($pr);
 			$ow = unescape($ow);
-			if ($pr eq $project) {
-				$owner = to_utf8($ow);
-				last;
-			}
+			$gitweb_project_owner->{$project} = to_utf8($ow);
 		}
 		close $fd;
 	}
+}
+
+sub git_get_project_owner {
+	my $project = shift;
+	my $owner;
+
+	return undef unless $project;
+
+	if (!defined $gitweb_project_owner) {
+		git_get_project_list_from_file();
+	}
+
+	if (exists $gitweb_project_owner->{$project}) {
+		$owner = $gitweb_project_owner->{$project};
+	}
 	if (!defined $owner) {
 		$owner = get_file_owner("$projectroot/$project");
 	}