Fix templates to automatically create the dlurl

debian/rules

 #!/usr/bin/make -f
+
+VERSION := $(shell cat version)
+
 %:
 	dh $@
 
@@ -10,12 +13,15 @@ override_dh_auto_clean:
 	cd snf-image-helper ; rm -rf autotools; \
 	rm -f Makefile.in aclocal.m4 configure config.status config.log tasks/Makefile.in
 	rm -f debian/version_pinning.pref
+	rm -f debian/snf-image.templates
 
 override_dh_auto_build:
 	dh_auto_build -Dsnf-image-host
 	dh_auto_build -Dsnf-image-helper
 	sed -e 's|@DEBIAN_VERSION[@]|$(DEB_DEVFLOW_DEBIAN_VERSION)|g' \
 		debian/version_pinning.pref.in > debian/version_pinning.pref
+	sed -e 's|@VERSION[@]|$(VERSION)|g' \
+		debian/snf-image.templates.in > debian/snf-image.templates
 
 override_dh_auto_configure:
 	cd snf-image-host; ./autogen.sh

debian/snf-image.config

@@ -5,5 +5,5 @@ set -e
 # Source debconf library
 . /usr/share/debconf/confmodule
 
-db_input medium snf-image/dlurl || true
+db_input high snf-image/dlurl || true
 db_go || true

debian/snf-image.postinst

@@ -18,8 +18,3 @@ fi
 
 exit 0
 
-
-
-
-
-

debian/snf-image.templates → debian/snf-image.templates.in

 Template: snf-image/dlurl
 Type: string
-Default:
+Default: http://cdn.synnefo.org/snf_image_helper_image-@VERSION@.tar.xz
 Description: URL to download snf-image-helper from:
  This package already contains a build-in URL to download the helper image from.
- However, if you'd like to use a custom one, please enter the full URL. If not,
- just leave the field blank.
+ However, if you'd like to use a custom one, please enter the full URL.