gitweb: make repeated calls to git_get_project_owner() bearable

If repeated calls to git_get_project_owner() are made, we would have read the
same file over and over again.

Signed-off-by: Junio C Hamano <redacted>

diff --git a/gitweb.perl b/gitweb.perl
index 1d834eed4325a12175878b33cede83d83c24a13d29cb4e5ccce684f866d7a490..cba56471e1453ed92e4a7e25063451eb45432bab559e2a4c2d1e224e04710759 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -1466,12 +1466,12 @@ 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);
 
+       $gitweb_project_owner = {};
        # read from file (url-encoded):
        # 'git%2Fgit.git Linus+Torvalds'
        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
@@ -1483,13 +1483,25 @@ sub git_get_project_owner {
                        my ($pr, $ow) = split ' ', $line;
                        $pr = unescape($pr);
                        $ow = unescape($ow);
-                       if ($pr eq $project) {
-                               $owner = to_utf8($ow);
-                               last;
-                       }
+                       $gitweb_project_owner->{$pr} = 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");
        }