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>
Tue, 21 Jan 2020 14:41:46 +0000 (15:41 +0100)
commitb44417c20c7fca5a7f7c581c04ac67bf5316e56e
tree802ca3fdce2bd125b41ad960d503d94db45a6075
parent81b88b1c63770542985f8cb0665eff37e27eb412
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