net::dnsmasq: add sysv init file

Author: sixtyfourktec

recipes/net/dnsmasq.yaml

@@ -1,4 +1,4 @@
-inherit: [cpackage, make, install]
+inherit: [cpackage, make, install, init]
 
 metaEnvironment:
     PKG_VERSION: "2.90"
@@ -31,4 +31,10 @@ buildScript: |
     # required at runtime:
     mkdir -p install/var/lib/misc
 
+    # add init script
+    if initIsAnySysvinit; then
+        install -D -m 0755 $<@dnsmasq/S80dnsmasq.sh@> \
+            install/etc/init.d/S80dnsmasq.sh
+    fi
+
 packageScript: installPackageTgt "$1/install/"

recipes/net/dnsmasq/S80dnsmasq.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# This file comes from buildroot and is licensed under GPLv2.
+
+DAEMON="dnsmasq"
+PIDFILE="/var/run/$DAEMON.pid"
+
+[ -f /etc/dnsmasq.conf ] || exit 0
+
+case "$1" in
+	start)
+		printf "Starting dnsmasq: "
+		start-stop-daemon -S -p "$PIDFILE" -x "/usr/sbin/$DAEMON" -- \
+			--pid-file="$PIDFILE"
+		# shellcheck disable=SC2181
+		[ $? = 0 ] && echo "OK" || echo "FAIL"
+		;;
+	stop)
+		printf "Stopping dnsmasq: "
+		start-stop-daemon -K -q -p "$PIDFILE" -x "/usr/sbin/$DAEMON"
+		# shellcheck disable=SC2181
+		[ $? = 0 ] && echo "OK" || echo "FAIL"
+		# wait for dnsmasq process to be gone
+		while true; do
+			pid="$( cat "${PIDFILE}" 2>/dev/null || true )"
+			{ [ -n "${pid}" ] && [ -d "/proc/${pid}" ]; } || break
+			sleep 0.1
+		done
+		rm -f "$PIDFILE"
+		;;
+	restart|reload)
+		$0 stop
+		$0 start
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart}"
+		exit 1
+esac
+
+exit 0