design-docs: timetable v2 #13

	name: Check code quality

	on:
	pull_request:

	jobs:
	check_commits:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Fetch all history for all branches and tags

	- name: Check commit names
	run: \|
	# We don't have a base ref to check against if we aren't in a
	# pull_request workflow.
	BASE=${{ github.base_ref }}
	if [[ -z "$BASE" ]]; then
	exit 0
	fi

	commit_titles() {
	git log --format=%s origin/"$BASE"..HEAD --skip=1
	}

	if commit_titles \| grep -i '^fixup'; then
	echo "Found a fixup commit"
	exit 1
	fi

	# Check that commit contains ':' (and no autosquashable commit using '!')
	if commit_titles \| grep -E -v '^([-.a-z]+[,:] )[-.a-z]+: [a-z][a-z0-9 _.,+-`/]$'; then
	echo "All commit messages must use the following format:"
	echo " external-doc: add fancy schema"
	echo
	echo "When a commit changes multiple modules, separate module names with ', ':"
	echo " blog, doc: improve display"
	exit 1
	fi

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