gitweb: optimize per-file history generation

diff --git a/gitweb/gitweb.cgi b/gitweb/gitweb.cgi
index 035e76d0a306e0f7dc74f01c8177a53a9286b006..100774215377dd421e67a175db55cd39c9740e49 100755 (executable)
--- a/gitweb/gitweb.cgi
+++ b/gitweb/gitweb.cgi
@@ -2295,16 +2295,13 @@ sub git_history {
              "</div>\n";
        print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
 
-       open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -- \'$file_name\'";
-       my $commit;
+       open my $fd, "-|",
+               "$gitbin/git-rev-list --full-history $hash -- \'$file_name\'";
        print "<table cellspacing=\"0\">\n";
        my $alternate = 0;
        while (my $line = <$fd>) {
                if ($line =~ m/^([0-9a-fA-F]{40})/){
-                       $commit = $1;
-                       next;
-               }
-               if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
+                       my $commit = $1;
                        my %co = git_read_commit($commit);
                        if (!%co) {
                                next;
@@ -2336,7 +2333,6 @@ sub git_history {
                        }
                        print "</td>\n" .
                              "</tr>\n";
-                       undef $commit;
                }
        }
        print "</table>\n";