build: Add makefile helper

Signed-off-by: Philippe Coval <[email protected]>
Change-Id: I42ee3ccb350316f2dce3284b1781f7188132db97

Makefile

@@ -0,0 +1,20 @@
+#!/bin/make -f
+# -*- makefile -*-
+# SPDX-License-Identifier: MPL-2.0
+
+default: help all
+
+project ?= sense-hat-adapter
+
+help:
+	@echo "## Usage: "
+	@echo "# make rule/version/X.Y.Z"
+
+rule/version/%: manifest.json package.json setup.py
+	-git describe --tags
+	sed -e "s|\(\"version\":\) .*|\1 \"${@F}\"|g" -i $<
+	sed -e "s|\(\"version\":\) .*|\1 \"${@F}\",|g" -i package.json
+	sed -e "s|\(.*version='\).*\('.*\)|\1${@F}\2|g" -i setup.py
+	-git commit -sm "Release ${@F}" $^
+	-git tag -sam "${project}-${@F}" "v${@F}" \
+|| git tag -am "${project}-${@F}" "v${@F}"