add cscs-ci ext (#16) #6

	name: VersionChecker

	on:
	push:
	tags:
	- 'v*'

	jobs:
	checker:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Version check
	id: check
	run: \|
	mkdir build
	cd build
	cmake .. \|\| true
	CMAKE_VERSION="v$(cat CMakeCache.txt \| grep '^CMAKE_PROJECT_VERSION\b' \| cut -d "=" -f2)"
	GIT_VERSION=$(git describe --tags --abbrev=0)
	if [ "$CMAKE_VERSION" != "$GIT_VERSION" ]; then
	echo ::set-output name=CMAKE_ISSUE::yes
	echo ::set-output name=CMAKE_VERSION::$CMAKE_VERSION
	echo ::set-output name=GIT_VERSION::$GIT_VERSION
	fi
	- uses: JasonEtco/[email protected]
	if: steps.check.outputs.CMAKE_ISSUE == 'yes'
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	CMAKE_VERSION: ${{ steps.check.outputs.CMAKE_VERSION }}
	GIT_VERSION: ${{ steps.check.outputs.GIT_VERSION }}
	with:
	filename: .github/tag-issue.md

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