build: add development builds #94

	name: Run code linters

	on:
	- push
	- pull_request

	jobs:
	lint:
	name: Run code linters
	runs-on: ubuntu-latest
	steps:
	- name: 'Checkout code'
	uses: actions/checkout@v2
	with:
	path: .
	fetch-tags: true

	- name: 'Install dependencies'
	run: \|
	wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key\|sudo apt-key add -
	echo 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-12 main' \| sudo tee -a /etc/apt/sources.list
	echo 'deb-src http://apt.llvm.org/focal/ llvm-toolchain-focal-12 main' \| sudo tee -a /etc/apt/sources.list
	sudo apt update
	sudo apt-get install -y clang-format-12 iwyu
	sudo ln -s /usr/bin/clang-format-12 /usr/local/bin/clang-format
	sudo apt-get install -y make python3-pip
	sudo python3 -m pip install pyjson5

	- name: 'Check imports'
	run: \|
	git add -A
	python3 tools/sort_imports
	git diff --exit-code \|\| ( echo 'Please run `make imports` and commit the changes.'; exit 1 )

	- name: 'Check formatted code differences'
	run: \|
	make lint
	git diff --exit-code \|\| ( echo 'Please run `make lint` and commit the changes.'; exit 1 )

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