ci: use gh-actions-lua and gh-actions-luarocks from luarocks #46

	name: ci

	on: [push, pull_request]

	jobs:
	TestMatrix:
	strategy:
	matrix:
	lua-version: ["5.4", "5.3", "5.2", "5.1", "luajit"]
	os: ["ubuntu-latest"]
	libflag: ["-shared --coverage"]
	include:
	- os: "macos-latest"
	lua-version: "5.4"
	libflag: "-bundle -undefined dynamic_lookup -all_load --coverage"
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@master

	- uses: luarocks/gh-actions-lua@master
	with:
	luaVersion: ${{ matrix.lua-version }}

	- uses: luarocks/gh-actions-luarocks@master

	- name: Prep
	run: \|
	pip install --user cpp-coveralls
	luarocks install lua-path
	luarocks install dkjson
	luarocks install luacov
	# install luacov-coveralls, but avoid installing luafilesystem
	luarocks install luacov-coveralls --server=https://luarocks.org/dev --deps-mode=none

	- name: Build
	run: \|
	luarocks make CFLAGS="-O2 -fPIC -ftest-coverage -fprofile-arcs" LIBFLAG="${{ matrix.libflag }}"

	- name: Test
	run: \|
	lua -lluacov tests/test.lua

	- name: Coverage
	run: \|
	export MY_PYTHON_VER=$(python -c 'import sys; print(".".join(sys.version.split(".")[0:2]))')
	export PATH="/Users/runner/Library/Python/$MY_PYTHON_VER/bin:$PATH"
	coveralls -b . -i src --dump c.report.json
	luacov-coveralls -j c.report.json -v -t ${{ secrets.GITHUB_TOKEN }}

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