gpsd: Update init script

This replaces the use of uci_validate_section() with
uci_load_validate(), which removes the need to declare local variables
for every config option.

This also adds a service_triggers() function and removes some
unnecessary curly brackets.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

utils/gpsd/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gpsd
 PKG_VERSION:=3.17
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@SAVANNAH/$(PKG_NAME)

utils/gpsd/files/gpsd.init

@@ -8,7 +8,7 @@ NAME=gpsd
 
 validate_section_gpsd()
 {
-	uci_validate_section gpsd gpsd "${1}" \
+	uci_load_validate gpsd gpsd "$1" "$2" \
 		'enabled:bool:1' \
 		'device:string' \
 		'listen_globally:bool:0' \
@@ -17,21 +17,19 @@ validate_section_gpsd()
 
 gpsd_instance()
 {
-	local device enabled listen_globally port
-
-	validate_section_gpsd "${1}" || {
+	[ "$2" = 0 ] || {
 		echo "validation failed"
 		return 1
 	}
 
-	[ "${enabled}" = "0" ] && return 1
+	[ "$enabled" = "0" ] && return 1
 
 	procd_open_instance
 	procd_set_param command "$PROG" -N -n
 
-	[ "${listen_globally}" -ne 0 ] && procd_append_param command -G
-	procd_append_param command -S "${port}"
-	procd_append_param command "${device}"
+	[ "$listen_globally" -ne 0 ] && procd_append_param command -G
+	procd_append_param command -S "$port"
+	procd_append_param command "$device"
 	procd_set_param respawn
 
 	procd_close_instance
@@ -39,6 +37,11 @@ gpsd_instance()
 
 start_service()
 {
-	config_load "${NAME}"
-	config_foreach gpsd_instance gpsd
+	config_load "$NAME"
+	config_foreach validate_section_gpsd gpsd gpsd_instance
+}
+
+service_triggers() {
+	procd_add_reload_trigger "$NAME"
+	procd_add_validation validate_section_gpsd
 }