veritysetup: print help for --help/-h/help
authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Sat, 31 Jul 2021 07:00:11 +0000 (09:00 +0200)
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Fri, 6 Aug 2021 14:42:23 +0000 (16:42 +0200)
commit0715ab1c75a1b80c1a9a30f7d353b5fd09a93f2a
treeb4716b6aa6f977097ef93c21570ab71d9cdda981
parent99236971acc52455df51226996fbe71ecedc2f6f
veritysetup: print help for --help/-h/help

In general our commands print help on --help, but here this would trigger
the error that two arguments are needed. Let's make this more user-friendly.

(cherry picked from commit 5d5e43cc33637a12f743f17294cfbd3ede08a1b3)
(cherry picked from commit 5e5923f272682476c053e5afd705e0f6b4595cbf)
src/veritysetup/veritysetup.c