ddns-scripts: write version string during installation into file

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/ddns-scripts/Makefile

@@ -183,6 +183,9 @@ define Package/ddns-scripts/install
 	$(INSTALL_DIR)  $(1)/etc/config
 	$(INSTALL_CONF) $(PKG_BUILD_DIR)/files/ddns.config $(1)/etc/config/ddns
 
+	$(INSTALL_DIR) $(1)/usr/share/ddns
+	echo "$(PKG_VERSION)-$(PKG_RELEASE)" > $(1)/usr/share/ddns/version
+
 	$(INSTALL_DIR)  $(1)/usr/share/ddns/services
 	$(INSTALL_DATA) ./files/usr/share/ddns/services/* \
 		$(1)/usr/share/ddns/services/

net/ddns-scripts/files/dynamic_dns_functions.sh

@@ -21,7 +21,11 @@
 . /lib/functions/network.sh
 
 # GLOBAL VARIABLES #
-VERSION="2.7.8-14"
+if [ -f "/usr/share/ddns/version" ]; then
+	VERSION="$(cat "/usr/share/ddns/version")"
+else
+	VERSION="unknown"
+fi
 SECTION_ID=""		# hold config's section name
 VERBOSE=0		# default mode is log to console, but easily changed with parameter
 MYPROG=$(basename $0)	# my program call name