The option was introduced in 6bb0d7b456
without documentation and intended use. The recent change
f6ae2094fe propagated this option to the
generated service files, which is resulting in unexpected results, when
a user decided to set only `sshd_config_file` for the second sshd
service causing the service file points to the system-wide
configuration file.
This is an attempt to fix this by introducing some heuristics to guess
if the user wants to set up second drop-in directory (ending with .d)
or create a standalone configuration file.
Fixes: #280
Inspired by similar issue reported and fixed in ssh client role
https://github.com/linux-system-roles/ssh/pull/80/
This wont work in RHEL6 (not allowed AcceptEnv in match blocks) so just
skip it here.
Signed-off-by: Jakub Jelen <jjelen@redhat.com>