Create pr-format-check.yml action #20

	on:
	pull_request:
	branches:
	- main

	jobs:
	clang_format_check:
	name: Check Clang Format
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up clang-format
	run: sudo apt-get install clang-format -y

	- name: Fetch main branch
	run: git fetch origin main:main

	- name: Check code formatting
	run: \|
	git clang-format --style=file:firmware/.clang-format --diff $(git merge-base HEAD main) -v

	- name: Check for changes
	id: check_changes
	run: \|
	git diff --exit-code \|\| (echo "Code is not formatted properly. Please run clang-format and commit the changes." && exit 1)

	- name: Complete
	if: steps.check_changes.outcome == 'success'
	run: echo "Code is properly formatted."

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