Add GitHub Actions workflow for automatic tagging #1

	name: Tagging Workflow

	on:
	push:
	branches:
	- mpx
	paths-ignore:
	- '.github/**'

	permissions:
	contents: write

	jobs:
	tag:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	fetch-depth: 0 # Ensures that all tags are downloaded

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install GitPython
	curl -o tagit.py https://raw.githubusercontent.com/dbt1/tagit/master/tagit.py
	chmod +x tagit.py

	- name: Verify tagit.py download
	run: \|
	if [ ! -f tagit.py ]; then
	echo "tagit.py was not downloaded!"
	exit 1
	fi

	- name: Tagging
	run: \|
	python tagit.py -f configure.ac

	- name: Commit and push changes
	run: \|
	git config --global user.email "[email protected]"
	git config --global user.name "GitHub Actions"
	git add configure.ac
	git commit -m "tagging: Automatically updated tags [skip ci]" \|\| echo "No changes to commit"
	git push
	git push --tags

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