Avoid looking up usernames if the current user owns the .hgrc file
Converting uids into usernames may be somewhat expensive when NIS
or LDAP is involved.
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
abort: Permission denied: test-ro-message/b/vehicle