Run clang-format check during CI #1

	name: Run code linter

	on: [push, pull_request]

	# Cancel any preceding run on the pull request.
	concurrency:
	group: lint-test-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/criu-dev' }}

	jobs:
	build:
	runs-on: ubuntu-latest
	container:
	image: registry.fedoraproject.org/fedora:latest
	steps:
	- name: Install tools
	run: sudo dnf -y install git make clang-tools-extra which git-clang-format

	- uses: actions/checkout@v4

	- name: Set git safe directory
	# https://github.com/actions/checkout/issues/760
	run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

	- name: Run make indent
	run: \|
	if [ -z "${{github.base_ref}}" ]; then
	git fetch --deepen=1
	git clang-format --style file --extensions c,h "HEAD~1"
	else
	git fetch origin ${{github.base_ref}}
	git clang-format --style file --extensions c,h origin/${{github.base_ref}}
	fi

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