checkserices: Improve display of services to restart

if [[ -t 1 ]]; then

	shopt -s xpg_echo

	c_title='\e[1;33m'

	c_svc='\e[1;31m'

	c_svc='\e[1;35m'

	c_warn='\e[5;30;43m'

	c_error='\e[5;30;41m'

	c_rst='\e[m'

done

# display what we will do

(( "${#needy[*]}" )) && echo '-------8<-------------------------------8<---------'

for svc in "${needy[@]}"; do

	echo "systemctl restart '$svc'"

done

(( "${#needy[*]}" )) && echo '-------8<-------------------------------8<---------'

# if nothing to restart we have done

(( $restart == 0 || ${#needy[*]} == 0 ))  && exit 0

# wait the timeout

(( $timeout > 0 )) && {

(( $timeout )) && {

	echo "Waiting for ${timeout} seconds"

	echo "Use Ctrl+C to undo"

	sleep $timeout

# do the job, restart updated services

for svc in "${needy[@]}"; do

	echo "Restarting ${c_svc}$svc${c_rst}"

	systemctl restart "$svc" &

	# wait process to terminate when serialize

	(( $serialize )) && wait

	# display status directly when serialize and not quiet

	(( $serialize )) && (( $status )) && systemctl --lines=0 status "$svc"