Improve serial command handling #408

	name: cpp-linter

	on:
	pull_request:
	types: [opened, reopened, synchronize]
	paths: ['.c', '.h', '.cpp', '.hpp', '.clang-format']
	push:
	paths: ['.c', '.h', '.cpp', '.hpp', '.clang-format']
	workflow_dispatch: # Manually invoked by user.

	jobs:
	get-vars:
	uses: ./.github/workflows/get-vars.yml

	cpp-linter:
	name: C/C++ Linter
	runs-on: ubuntu-latest
	needs: get-vars

	permissions:
	contents: write
	pull-requests: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- uses: ./.github/actions/build-compilationdb
	with:
	version: 0.0.0-test+build # Doesn't matter, just need the compilation database
	skip-checkout: true

	- uses: cpp-linter/cpp-linter-action@v2
	id: linter
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	style: file
	version: 18
	lines-changed-only: diff
	thread-comments: true
	file-annotations: false

	- name: Fail fast?!
	if: steps.linter.outputs.checks-failed > 0
	run: \|
	echo "Some files failed the linting checks!"
	# for actual deployment
	# run: exit 1

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