commit | 28736c36ca6a73864324296117ce26c9a23066dd | [log] [tgz] |
---|---|---|
author | Mike Frysinger <vapier@gentoo.org> | Sun Oct 18 01:11:45 2009 -0400 |
committer | Mike Frysinger <vapier@gentoo.org> | Sun Oct 18 01:15:36 2009 -0400 |
tree | 932f02ded50c8df7db9a7eea3063c2ed6c841fc1 | |
parent | 69d9edc6f8387ed0ec4742a5de895b22b3910818 [diff] |
hush: handle empty execs Sometimes variable expansions yield empty strings, and if they happen to be a command someone wants to run like `$foo`, then hush currently segfaults. So handle `` and $(). Signed-off-by: Mike Frysinger <vapier@gentoo.org>