ci: fix luarocks workflow #516

	name: Parser fuzzing

	on: [push, pull_request]

	jobs:
	fuzz_parser:
	strategy:
	fail-fast: false
	name: Fuzzing
	runs-on: ubuntu-latest
	env:
	CC: clang
	steps:
	- name: Install fuzzer
	run: \|
	sudo apt-get update
	sudo apt-get install -y 2to3 libfuzzer-12-dev

	- name: Prepare tree-sitter
	uses: actions/checkout@v2
	with:
	repository: tree-sitter/tree-sitter

	- name: Prepare tree-sitter-norg
	uses: actions/checkout@v2
	with:
	path: test/fixtures/grammars/norg

	- name: Prepare corpuses
	uses: actions/checkout@v2
	with:
	path: out/results/corpus
	ref: fuzz_corpuses

	- name: Make python fuzzer v3
	run: \|
	2to3 -w test/fuzz/gen-dict.py
	sed 's/ord(b)/b/' -i test/fuzz/gen-dict.py

	- name: Build fuzzer
	run: \|
	export LIB_FUZZER_PATH=/usr/lib/llvm-12/lib/libFuzzer.a
	./script/build-fuzzers norg

	- name: Run fuzzer
	run: \|
	cd out/results
	../norg_fuzzer -dict=../norg.dict -max_total_time=3600 -timeout=10 ./corpus

	- name: Check corpuses
	run: \|
	cd out/results/corpus
	git config user.name "Github Actions bot"
	git config user.email "<>"
	git add .
	git commit -m "[Action] Add new corpuses"
	git push origin fuzz_corpuses -f

	- uses: actions/upload-artifact@v2
	if: failure()
	with:
	name: fuzzing_results
	path: \|
	out/results/*
	!out/results/*.log
	!out/results/corpus/*

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