dnsmasq: replace the iface hotplug script with a procd trigger

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/network/services/dnsmasq/Makefile

@@ -145,8 +145,6 @@ define Package/dnsmasq/install
 	$(INSTALL_DATA) ./files/dnsmasq.conf $(1)/etc/dnsmasq.conf
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/dnsmasq.init $(1)/etc/init.d/dnsmasq
-	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
-	$(INSTALL_DATA) ./files/dnsmasq.hotplug $(1)/etc/hotplug.d/iface/25-dnsmasq
 	$(INSTALL_DIR) $(1)/etc/hotplug.d/ntp
 	$(INSTALL_DATA) ./files/dnsmasqsec.hotplug $(1)/etc/hotplug.d/ntp/25-dnsmasqsec
 endef

package/network/services/dnsmasq/files/dnsmasq.hotplug

@@ -1,5 +0,0 @@
-#!/bin/sh
-
-[ "$ACTION" = ifup ] || exit 0
-
-/etc/init.d/dnsmasq enabled && /etc/init.d/dnsmasq start

package/network/services/dnsmasq/files/dnsmasq.init

@@ -1,7 +1,7 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2007-2012 OpenWrt.org
 
-START=60
+START=19
 
 USE_PROCD=1
 PROG=/usr/sbin/dnsmasq
@@ -622,14 +622,18 @@ dhcp_relay_add() {
 service_triggers()
 {
 	procd_add_reload_trigger "dhcp"
+	procd_add_raw_trigger "interface.*" 2000 /etc/init.d/dnsmasq reload
 }
 
-boot() {
-	# Will be launched through hotplug
-	return 0
+boot()
+{
+	BOOT=1
+	start "$@"
 }
 
 start_service() {
+	[ -n "$BOOT" ] && return
+
 	include /lib/functions
 
 	config_load dhcp