[Automated] Update develop snapshot #652

	name: Pull Request Flow

	on:
	pull_request_target:
	types: [assigned, opened, synchronize, reopened]
	# tags-ignore and/or paths does not work with pull_request_target
	# tags-ignore:
	# - "automated pr"
	# paths:
	# - "packages/**"

	jobs:
	notify:
	name: Notify snapshot update
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	fetch-depth: 10
	submodules: true

	- name: List up snapshots
	id: snapshots
	run: \|
	echo "::set-output name=snapshots::$(ls -1 snapshot-*.opam \| sed -e 's/\.opam$//' \| sort -n \| tr '\n' ' ')"

	- name: Update the PR body
	uses: actions/github-script@v2
	env:
	SNAPSHOTS: ${{ steps.snapshots.outputs.snapshots }}
	with:
	github-token: ${{ github.token }}
	script: \|
	const pullRequestId = {
	owner: context.repo.owner,
	repo: context.repo.repo,
	pull_number: context.issue.number
	};
	const pull_request = await github.pulls.get(pullRequestId);
	const actionHeader = '\n# Automatic follow-ups\n';
	const body = (pull_request.data.body \|\| '').replace(/\r?\n/g, '\n');
	console.log('body', body);
	const splitted = body.split(actionHeader);
	const actionSectionMessage = 'Choose follow-up actions. Do not write anything after this section.';
	const actions =
	process.env.SNAPSHOTS
	.split(' ')
	.filter((snapshot) => snapshot)
	.map((snapshot) => `- Add to snapshot \`${snapshot}\``);
	const replacedBody = `${splitted[0]}${actionHeader}${actionSectionMessage}\n${actions.join('\n')}`;
	console.log('replacedBody', replacedBody);
	await github.pulls.update({
	...pullRequestId,
	body: replacedBody
	});

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