When flags that we'd require be specified aren't, if there are command
line arguments, use their values as flag values.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
Clean up the tests so that data files that we generate don't get dropped
in the root directory of the host, or in a part of ${TMPDIR} that we
won't clean up. Add tests to exercise "add"'s extracting logic.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
