Merge pull request #558 from evo-lua/557-vfs-dofile-optimization #1029

	name: Static Analysis

	on:
	pull_request:
	paths-ignore:
	- '**.md'
	- 'changelog.lua'
	- '.gitignore'
	types: [opened, synchronize, reopened, ready_for_review]
	push:
	branches:
	- main
	paths-ignore:
	- '**.md'
	- 'changelog.lua'
	- '.gitignore'

	jobs:
	luacheck:
	name: Lint codebase
	runs-on: ubuntu-latest
	env:
	CPPCHECK_VERSION: 2.10.3
	steps:

	# LuaRocks needs the 5.1 headers to compile LuaCheck later, so we download them, too
	- name: Install LuaJIT
	run: sudo apt-get install luajit libluajit-5.1-dev

	- name: Download LuaRocks
	run: wget https://luarocks.org/releases/luarocks-3.9.1.tar.gz

	- name: Unpack LuaRocks release
	run: tar zxpf luarocks-3.9.1.tar.gz

	- name: Install LuaRocks
	run: cd luarocks-3.9.1 && ./configure && make && sudo make install

	- name: Install LuaCheck
	run: sudo luarocks install luacheck

	# We don't want LuaCheck to analyze LuaRocks itself
	# Ironically, it fails when doing that, but that's not useful here
	- name: Change to temporary directory
	run: mkdir temp && cd temp

	- name: Check out Git repository
	uses: actions/checkout@v4

	- name: Run luacheck
	run: luacheck .

	- name: Install selene
	run: cargo install selene

	- name: Run selene
	run: selene .

	# apt only has an ancient version, which behaves inconsistently
	- name: Install cppcheck
	run: \|
	git clone --depth 1 https://github.com/danmar/cppcheck.git
	cd cppcheck
	git fetch --tags
	git checkout $CPPCHECK_VERSION
	mkdir build
	cd build
	cmake ..
	make -j$(nproc)
	sudo make install

	- name: Run cppcheck
	run: deps/cppcheck.sh

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