triggers/openrc-service: add third argument to register or not services.

--HG--
extra : convert_revision : 29be73bbbfedd384a7f6d10276aac3399cc524e7

xbps-src/triggers/openrc-service

@@ -1,7 +1,12 @@
 #!/bin/sh
 #
 # Registers or unregisters OpenRC services into the specified
-# runlevel.
+# runlevel. This works by specifying three arguments as follows:
+#
+# service_name		runlevel	register
+# --------------------------------------------------
+# dbus			default		boolean
+# --------------------------------------------------
 #
 # Arguments:	$ACTION = [run/targets]
 #		$TARGET	= [post-install/pre-remove]
@@ -39,8 +44,41 @@ run)
 
 	set -- ${openrc_services}
 	while [ $# -gt 0 ]; do
+		unset skip_service
 		srv_restart=$metadatadir/.$1_srv_restart
 		if [ "$TARGET" = "post-install" ]; then
+			# The service shouldn't be registered, so just show a message
+			# explaining how to add it in the future.
+			case "$3" in
+			[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff]|0)
+				skip_service=1
+				;;
+			[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
+				unset skip_service
+				;;
+			esac
+			if [ -n "$skip_service" ]; then
+				cat <<_EOF
+================================================================
+
+The system service '${1}' won't be added into the runlevel
+'${2}' by default, so it will remain disabled at boot.
+
+To start it at boot time, use the following command:
+
+	$ rc-update add ${1} ${2}
+
+To disable it again use:
+
+	$ rc-update del ${1} ${2}
+
+================================================================
+_EOF
+				shift; shift; shift;
+				continue
+			else
+				echo "Registering '${1}' service to start at boot."
+			fi
 			if [ -f $srv_restart ]; then
 				# Restart service if it was running previously.
 				$initdir/$1 start
@@ -68,7 +106,7 @@ run)
 			fi
 		fi
 		unset srv_restart
-		shift; shift;
+		shift; shift; shift;
 	done
 	;;
 *)