instance: provide error feedback if ujail binary is missing
authorPetr Štetiar <ynezz@true.cz>
Fri, 17 Jan 2020 15:21:51 +0000 (16:21 +0100)
committerPetr Štetiar <ynezz@true.cz>
Fri, 24 Jan 2020 07:31:55 +0000 (08:31 +0100)
commit557f11b3a20f2cf6897aad067ffde9d92e9fe015
tree78af1f56288d7f83ef38534710553ab472f3e5d6
parent0a11aa405d3fbe970458d1cc154970e817826616
instance: provide error feedback if ujail binary is missing

Otherwise it's quite hard to track such issues.  While at it, be DRY and
use UJAIL_BIN_PATH constant for ujail binary.

Signed-off-by: Petr Štetiar <ynezz@true.cz>
service/instance.c