Use site code and release number for image version strings

Makefile

@@ -195,7 +195,7 @@ prepare: FORCE
 	+$(GLUONMAKE) packages
 	+$(GLUONMAKE) prepare-image
 
-	touch $(gluon_prepared_stamp)
+	echo "$(GLUON_RELEASE)" > $(gluon_prepared_stamp)
 
 $(gluon_prepared_stamp):
 	+$(GLUONMAKE) prepare
@@ -261,7 +261,7 @@ image: FORCE
 	+$(GLUONMAKE) package_install
 
 	$(call Image/mkfs/prepare)
-	$(_SINGLE)$(NO_TRACE_MAKE) -C $(TOPDIR)/target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 IMG_PREFIX="gluon-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))" \
+	$(_SINGLE)$(NO_TRACE_MAKE) -C $(TOPDIR)/target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 IMG_PREFIX="gluon-$(GLUON_SITE_CODE)-$$(cat $(gluon_prepared_stamp))-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))" \
 		PROFILE="$(PROFILE)" KDIR="$(PROFILE_KDIR)" TARGET_DIR="$(TARGET_DIR)" BIN_DIR="$(BIN_DIR)" TMP_DIR="$(TMP_DIR)"
 
 

include/gluon.mk

@@ -25,6 +25,12 @@ $(GLUON_SITEDIR)/site.mk:
 GLUON_CONFIG_VERSION := $(shell cd $(GLUON_SITEDIR) && git describe --always --dirty=.$$(stat -c %Y $(GLUON_SITEDIR)/site.conf) 2>/dev/null || stat -c %Y site.conf)
 export GLUON_CONFIG_VERSION
 
+GLUON_SITE_CODE := $(shell $(GLUONDIR)/scripts/site.sh site_code)
+export GLUON_SITE_CODE
+
+GLUON_RELEASE ?= $(shell $(GLUONDIR)/scripts/site.sh release)
+export GLUON_RELEASE
+
 define merge-lists
 $(1) :=
 $(foreach var,$(2),$(1) := $$(sort $$(filter-out -% $$(patsubst -%,%,$$(filter -%,$$($(var)))),$$($(1)) $$($(var))))