core::cronie: add sysvinit start script

recipes/core/cronie.yaml

@@ -1,7 +1,7 @@
 # SUMMARY = "Cron daemon for executing programs at set times"
 # HOMEPAGE = "https://github.com/cronie-crond/cronie/"
 
-inherit: [autotools]
+inherit: [autotools, init]
 
 metaEnvironment:
     PKG_DESCRIPTION: "Cronie contains the standard UNIX daemon crond that runs
@@ -23,5 +23,10 @@ buildScript: |
     autotoolsBuild $1 \
         --prefix=/usr
 
+    # add init script
+    if initIsAnySysvinit; then
+        install -D -m 0755 $<@cronie/S48cronie.sh@> install/etc/init.d/S48cronie.sh
+    fi
+
 packageScript: |
     autotoolsPackageTgt

recipes/core/cronie/S48cronie.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+#
+# Starts cronie (crond) daemon
+#
+
+DAEMON="crond"
+PIDFILE="/var/run/$DAEMON.pid"
+
+# shellcheck source=/dev/null
+[ -r "/etc/default/$DAEMON" ] && . "/etc/default/$DAEMON"
+
+start() {
+	printf 'Starting %s: ' "$DAEMON"
+	# shellcheck disable=SC2086 # we need the word splitting
+	start-stop-daemon -S -q -p "$PIDFILE" -x "/usr/sbin/$DAEMON"
+	status=$?
+	if [ "$status" -eq 0 ]; then
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return "$status"
+}
+
+stop() {
+	printf 'Stopping %s: ' "$DAEMON"
+	start-stop-daemon -K -q -p "$PIDFILE"
+	status=$?
+	if [ "$status" -eq 0 ]; then
+		rm -f "$PIDFILE"
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return "$status"
+}
+
+restart() {
+	stop
+	sleep 1
+	start
+}
+
+case "$1" in
+	start|stop|restart)
+		"$1";;
+	reload)
+		# Restart, since there is no true "reload" feature.
+		restart;;
+	*)
+		echo "Usage: $0 {start|stop|restart|reload}"
+		exit 1
+esac