3I6BNF4SWOQLXZPBESHH4S743QEMOXUJR4IKFRVQ3PO6SUGLPIAAC
("git", "ls-remote", $clonePath, "refs/heads/".$branch));
die "Cannot get head revision of Git branch '$branch' at `$uri':\n$stderr" unless $res1;
("git", "ls-remote", $clonePath, $branch));
die "Cannot get head revision of Git branch '$branch' at `$uri':\n$stderr" unless $res1 ;