grml-lock: run physlock with `-u` option only if it's supported
authorMichael Prokop <mika@grml.org>
Thu, 14 Jun 2018 16:05:52 +0000 (18:05 +0200)
committerMichael Prokop <mika@grml.org>
Thu, 14 Jun 2018 16:06:45 +0000 (18:06 +0200)
commit9248c3dc0c134d39f6ab70a71c000265d600f737
treee791a730d6f58d5b4a0a36eb0ff2143bb0ce474e
parent2c4bae735e4d236740be8d6508e623e3a427fa9d
grml-lock: run physlock with `-u` option only if it's supported

Closes grml/grml#87
Thanks: maximebuy for the bugreport
usr_bin/grml-lock