if test -n "$ORIG_GIT_DIR" then ... fi would be even clearer, though I'm not sure if "-n" has any portability concerns.
It has not. Some autoconf scripts do if test "x$ORIG_GIT_DIR" != x; then ... fi (and similarly for -z) but that's being phased out. Paolo -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html