clang-format-run-pr #1158

	name: clang-format-run-pr

	# Controls when the workflow will run
	on:
	issue_comment:
	types: [created]

	env:
	CLANG_VERSION: 14

	jobs:

	run-on-pr:
	# Run on branchs, not forked PR branches
	if: \|
	contains(github.event.comment.body, '/clang-format-run')

	runs-on:
	- ubuntu-latest

	steps:

	- name: Install clang tools
	run: \|
	sudo apt-get install clang-format-${CLANG_VERSION}

	- uses: actions/github-script@v6
	id: get-pr
	with:
	script: \|
	const request = {
	owner: context.repo.owner,
	repo: context.repo.repo,
	pull_number: context.issue.number
	}

	core.info(`Getting PR #${request.pull_number} from ${request.owner}/${request.repo}`)

	const acknowledge = {
	owner: context.repo.owner,
	repo: context.repo.repo,
	comment_id: context.payload.comment.id,
	content: 'rocket'
	}

	try {
	github.rest.reactions.createForIssueComment(acknowledge)
	const result = await github.rest.pulls.get(request)
	return result.data
	} catch (err) {
	core.setFailed(`Request failed with error ${err}`)
	}

	- uses: actions/checkout@v3
	with:
	repository: ${{ fromJSON(steps.get-pr.outputs.result).head.repo.full_name }}
	ref: ${{ fromJSON(steps.get-pr.outputs.result).head.ref }}
	fetch-depth: 0

	- name: clang-format-run
	run: \|
	set +e
	# Don't return right away
	bash -e .github/workflows/clang-format-run.sh
	RETVAL=$?
	set -e

	if [[ $RETVAL -eq 0 ]]
	then
	exit 0
	fi

	# Files changed, not an error in this case
	if [[ $RETVAL -eq 1 ]]
	then
	exit 0
	fi

	# Unexpected error
	exit $RETVAL

	- name: Push reformatted files
	uses: EndBug/add-and-commit@v9.0.1
	with:
	add: '*'
	message: 'clang-format bot reformatting.'
	push: true

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