unpack-trees: allow Porcelain to give different error messages

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 95c5eec51ecc6ab6f142cef51eb4bd3b5842debb..bdac5d51b6dfb721bb648e455cb8f3c5078217e4 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -772,7 +772,7 @@ sub commit {
        waitpid($pid,0);
        die "Error running git-commit-tree: $?\n" if $?;
 
-       system("git-update-ref $remote/$branch $cid") == 0
+       system('git-update-ref', "$remote/$branch", $cid) == 0
                or die "Cannot write branch $branch for update: $!\n";
 
        if ($tag) {