update Makefile

Makefile

 # a helper shell script
 define MAKEFUNCTIONCODE
 	function hasChanges() {
-# old version, just track uncommited + untracked files
-#		test -n "$$(git status -s .)"
-# expect 1 to be normal so the untracked file .make-funcition will be ignored
+		# old version, just track uncommited + untracked files
+		#		test -n "$$(git status -s .)"
+		# expect 1 to be normal so the untracked file .make-funcition will be ignored
 		test 1 -ne "$$(git status -s . | wc -l )"
 	}
 
@@ -105,7 +105,7 @@ RELEASE_SUPPORT := $(shell dirname $(abspath $(lastword $(MAKEFILE_LIST))))/.mak
 export MAKEFUNCTIONCODE
 
 .PHONY: pre-build docker-build post-build build release patch-release minor-release major-release tag check-status check-release showver \
-	push do-push post-push
+	push do-push post-push post-init
 
 init:
 	@echo "$$MAKEFUNCTIONCODE" > ./.make-function
@@ -120,6 +120,9 @@ post-build:
 post-push:
 	@rm .make-function
 
+post-init:
+	@rm .make-function
+
 docker-build:
 	docker build -t $(IMAGE):$(VERSION) .
 	@DOCKER_MAJOR=$(shell docker -v | sed -e 's/.*version //' -e 's/,.*//' | cut -d\. -f1) ; \
@@ -176,8 +179,9 @@ tag: check-status
 	@ if [ -n "$(shell git remote -v)" ] ; then git push --tags ; else echo 'no remote to push tags to' ; fi
 
 check-status: init
-	@. $(RELEASE_SUPPORT) ; ! hasChanges || (echo "ERROR: there are still outstanding changes" >&2 && exit 1) ;
+	@. $(RELEASE_SUPPORT) ; ! hasChanges || (echo "ERROR: there are still outstanding changes" >&2) ;
+	@rm .make-function
 
-check-release: init release.conf
+check-release: init release.conf post-init
 	@. $(RELEASE_SUPPORT) ; tagExists $(TAG) || (echo "ERROR: version not yet tagged in git. make [minor,major,patch]-release." >&2 && exit 1) ;
 	@. $(RELEASE_SUPPORT) ; ! differsFromRelease $(TAG) || (echo "ERROR: current directory differs from tagged $(TAG). make [minor,major,patch]-release." ; exit 1)