display backup.py usage if no action was specified
authorPhilipp Gesang <philipp.gesang@intra2net.com>
Thu, 2 Mar 2017 13:36:43 +0000 (14:36 +0100)
committerThomas Jarosch <thomas.jarosch@intra2net.com>
Mon, 2 Apr 2018 11:34:08 +0000 (13:34 +0200)
commit1817bfb4780c49c3730645ad33964887fe393da7
tree722b3d2c8e40a2ab8b9d04678fa61a3df4c3c01a
parentc176405d67e2f0d98baa59584c40094c1994bb16
display backup.py usage if no action was specified

Getting no feedback if the invocation had no effect is rather
unseemly. Print the help message instead.
backup.py