[83478] Transition to the new package (#663, ww14.4'22) #6

	name: 'Update PR Branch on PR Comment'
	on:
	issue_comment:
	types: [created]
	jobs:
	update_pr_branch:
	name: Update PR Branch on PR Comment
	if: github.event.issue.pull_request != '' && github.event.comment.body == '/update'
	runs-on: ubuntu-latest
	steps:
	- name: Fetch latest code
	uses: actions/checkout@v2
	with:
	token: ${{ secrets.ACTIONS_PAT }}
	fetch-depth: 0
	submodules: 'true'
	- name: Fetch PR and target branch names
	id: fetch_pr_and_target_branch
	uses: actions/github-script@v3
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	script: \|
	const { issue, repository } = context.payload;
	const [ owner, repo ] = repository.full_name.split('/');
	const { data: pullRequest } = await github.pulls.get({
	owner,
	repo,
	pull_number: issue.number
	});
	const { ref: prBranch } = pullRequest.head;
	const { ref: baseBranch } = pullRequest.base;
	const { clone_url: prRemoteUrl } = pullRequest.head.repo;
	console.log(`##[set-output name=pr_branch;]${prBranch}`);
	console.log(`##[set-output name=pr_remote_url;]${prRemoteUrl}`);
	console.log(`##[set-output name=base_branch;]${baseBranch}`);
	- name: Update PR branch
	run: \|
	git remote add pr_remote ${{ steps.fetch_pr_and_target_branch.outputs.pr_remote_url }}
	git fetch pr_remote
	git checkout ${{ steps.fetch_pr_and_target_branch.outputs.pr_branch }}
	git config user.name 'github-actions[bot]'
	git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
	git merge ${{ steps.fetch_pr_and_target_branch.outputs.base_branch }} --no-edit
	git push

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