support/scripts/genimage.sh: show usage when invoked incorrectly
authorLuca Ceresoli <luca@lucaceresoli.net>
Sat, 9 Dec 2017 21:29:59 +0000 (22:29 +0100)
committerPeter Korsgaard <peter@korsgaard.com>
Mon, 11 Dec 2017 19:14:39 +0000 (20:14 +0100)
commit6887ad7003707743c9d5f3dbaffe3b2de3e3ba6b
tree9fd13d05038dc0fb1df88a5c781cef2a07a36520
parent6bfa6b2a046775abe90506930fd1a6aa13d02531
support/scripts/genimage.sh: show usage when invoked incorrectly

[Peter: use ${0}]
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
support/scripts/genimage.sh