Introduce `subset-profile` tag #193

	name: Sanity self-tests

	on:
	pull_request:

	jobs:
	waivers-syntax-check:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Contest deps
	run: sudo apt-get install -y python3-rpm python3-dnf
	- name: Collect waivers
	run: \|
	python3 <<'EOF'
	import sys
	from lib import waive
	try:
	list(waive.collect_waivers())
	sys.exit(0)
	except waive.WaiveParseError as e:
	print(str(e))
	sys.exit(1)
	EOF
	- name: Check Vim modeline empty line
	run: \|
	function err { echo -e "error: $1" >&2; exit 1; }
	for file in conf/waivers/*; do
	[[ -f "$file" ]] \|\| err "$file not found"
	out=$(grep -B1 '^# vim' "$file") \|\| err "vim modeline not found in $file"
	out=$(head -n1 <<<"$out")
	if [[ $out ]]; then
	msg="line above vim modeline in $file not empty: $out"
	msg+="\nPlease keep one empty line above the vim modeline."
	err "$msg"
	fi
	done
	flake8:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install flake8
	run: python3 -m pip install flake8
	- name: Run flake8
	run: flake8 -v
	tmt:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install tmt
	run: python3 -m pip install tmt
	- name: Run tmt lint
	run: tmt lint --failed-only
	- name: Run basic tmt run discover
	run: tmt run -v plans -n /plans/default discover -h fmf

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