Set up a minimal CI #9

	name: Linters
Check failure on line 1 in .github/workflows/linters.yaml View workflow run for this annotation GitHub Actions / Linters Invalid workflow file `The workflow is not valid. .github/workflows/linters.yaml: (Line: 25, Col: 14, Idx: 462) - (Line: 25, Col: 15, Idx: 463): While parsing a tag, did not find expected tag URI.`

	on:
	push:
	branches:
	- main
	tags:
	- 'v*'
	pull_request:
	branches:
	- '*'

	jobs:
	lint-git:
	runs-on: ubuntu-latest
	if: github.event_name == 'pull_request' # Makes sense only for pull requests
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: show
	run: git log
	- name: Check absence of fixup commits
	run: ! git log \| grep 'fixup!'
	- name: Install gitlint
	run: pip install --user requests gitlint
	- name: Lint commit messages added to main
	run: ~/.local/bin/gitlint --commits origin/${{ github.event.pull_request.base.ref }}..HEAD

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