Auto-format code using Clang-Format (#241) #89

	name: Clang-Format

	on:
	push:
	branches:
	- main
	workflow_dispatch:

	jobs:
	format:
	name: Run Clang-Format
	runs-on: ubuntu-latest

	steps:
	- name: Install Clang-Format
	run: sudo apt-get update && sudo apt-get install clang-format && clang-format --version

	- name: Check out code, run clang format, push changes
	uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref }}
	token: ${{ secrets.GITHUB_TOKEN }}

	- name: Run clang-format
	run: \|
	find include -type f $ -name '.hpp' -or -name '.h' $ -exec clang-format -i --style=file --verbose {} +
	find src -type f $ -name '.cpp' -or -name '.c' $ -exec clang-format -i --style=file --verbose {} +

	- name: Check for changes
	id: check-changes
	run: git diff --exit-code
	continue-on-error: true

	- name: Commit and push changes
	# a failue of this step means changes were detected
	if: steps.check-changes.outcome != 'success'
	run: \|
	git config --global user.name "GitHub Actions"
	git config --global user.email "[email protected]"
	git commit -am "Auto-format code using Clang-Format" \|\| echo "No changes to commit"

	- name: Push changes to main-formatting branch
	if: steps.check-changes.outcome != 'success'
	run: git push origin HEAD:main-formatting

	- name: Create Pull Request
	if: steps.check-changes.outcome != 'success'
	uses: peter-evans/create-pull-request@v6
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	commit-message: "Auto-format code using Clang-Format"
	title: "Auto-format code changes"
	body: "This is an automated pull request to apply code formatting using Clang-Format."
	branch: main-formatting

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