Merge remote-tracking branch 'upstream/main' into 3.0_doc #51

	name: '[gh] pull request auto updater'

	on:
	pull_request_target:
	types:
	- auto_merge_enabled
	push:

	jobs:
	up_to_date:
	if: github.repository == 'Tencent/Hippy'
	runs-on: ubuntu-latest
	steps:
	- name: Updater
	uses: actions/[email protected]
	with:
	# Because the Github App Token, Github Token, and Fine-grained PAT
	# cannot obtain the permission to update the workflow files in the head branch,
	# so use classic PAT to avoid failures caused by modification of workflow files.
	# TODO: use Github App Token or Github Token if permission is granted in the future.
	github-token: ${{ secrets.BOT_PAT }}
	script: \|
	const { pulls, repos } = github.rest;

	let pull_requests;
	switch (context.eventName) {
	case 'push': {
	pull_requests = (await github.paginate(pulls.list, {
	per_page: 100,
	state: 'open',
	base: '${{ github.ref_name }}',
	...context.repo
	})).filter(pull => pull.draft === false && pull.auto_merge);
	break;
	}
	case 'pull_request_target': {
	const { pull_request } = context.payload;
	if (pull_request.draft === true) {
	return;
	}
	pull_requests = [pull_request];
	break;
	}
	default: {
	throw new Error(`Unsupported event name: ${context.eventName}`);
	break;
	}
	}

	await Promise.all(
	pull_requests.map(pull =>
	repos.compareCommitsWithBasehead({
	...context.repo,
	basehead: `${pull.base.label}...${pull.head.label}`,
	}).then(({ data: comparison }) => {
	if (comparison.behind_by > 0) {
	return pulls.updateBranch({
	...context.repo,
	pull_number: pull.number
	}).catch(error => console.error(error));
	}
	})
	)
	);

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