Update Makefile

Makefile

 # a helper shell script
-# version 1.1
+MAKE_VERSION=1.1.2
 
 define MAKEFUNCTIONCODE
 	function hasChanges() {
@@ -106,8 +106,8 @@ TAG=$(shell . $(RELEASE_SUPPORT); getTag)
 RELEASE_SUPPORT := $(shell dirname $(abspath $(lastword $(MAKEFILE_LIST))))/.make-function
 export MAKEFUNCTIONCODE
 
-.PHONY: pre-build docker-build post-build build release patch-release minor-release major-release tag check-status check-release showtag \
-	push do-push post-push post-init
+.PHONY: pre-build docker-build post-build build release patch-release minor-release major-release tag check-status check-release showtag show-tag \
+	push do-push post-push post-init update-make
 
 init:
 	@echo "$$MAKEFUNCTIONCODE" > ./.make-function
@@ -147,6 +147,10 @@ do-push:
 
 snapshot: build push
 
+show-tag: init release.conf
+	@. $(RELEASE_SUPPORT); getVersion
+	@rm .make-function
+
 showtag: init release.conf
 	@. $(RELEASE_SUPPORT); getVersion
 	@rm .make-function
@@ -188,3 +192,11 @@ check-status: init
 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)
+
+update-make: init
+	@rm Makefile
+	wget https://dev.nexpie.com/sample/docker-makefile-sample/raw/master/Makefile
+	@rm .make-function
+
+make-version:
+	@echo $(MAKE_VERSION)