Fix bumpversion in GitHub Actions (#9) #4

	name: Updates version and tags
	on:
	push:
	branches:
	- main
	permissions:
	contents: write
	jobs:
	update_version_and_tag:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install Python 3
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Setup env variables
	run: \|
	echo "SKIPBUMP=FALSE" >> $GITHUB_ENV

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install bump2version setuptools wheel twine

	# If a commit starts with [MAJOR] a new major verion upgrade will be
	# triggered. Use with caution as Major upgrades denote backwards
	# incompatibility. Yet I like it to be integrated in the CI
	- name: Bump Major Version
	env:
	COMMIT_MSG: ${{ github.event.head_commit.message }}
	run: \|
	bump2version major
	echo "SKIPBUMP=TRUE" >> $GITHUB_ENV
	if: startsWith(github.event.head_commit.message, '[MAJOR]')

	- name: Bump Minor Version
	env:
	COMMIT_MSG: ${{ github.event.head_commit.message }}
	run: \|
	bump2version minor
	echo "SKIPBUMP=TRUE" >> $GITHUB_ENV
	if: startsWith(github.event.head_commit.message, '[FEATURE]')

	# Default action
	- name: Bump Patch Version
	env:
	COMMIT_MSG: ${{ github.event.head_commit.message }}
	run: \|
	bump2version patch
	if: env.SKIPBUMP == 'FALSE'

	- name: Commit version change to master
	run: \|
	git push --follow-tags

	# TODO(clairbee): publish the package as seen in https://github.com/joaomcteixeira/python-project-skeleton/blob/main/.github/workflows/version-bump-and-package.yml

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