Update experimental tag #215

	name: Trigger preproc on comment with "/regenerate-cache"

	on:
	issue_comment:
	types: [created]

	jobs:
	trigger:
	if: ${{ github.event.issue.pull_request }}
	runs-on: ubuntu-latest

	steps:
	- name: Dispatch preproc
	if: ${{ github.event.issue.pull_request }}
	uses: actions/github-script@v6
	with:
	script: \|
	const owner = context.repo.owner
	const repo = context.repo.repo
	const pr_number = context.issue.number

	const comment = context.payload.comment

	// Return early if comment is not the trigger phrase
	if (comment.body != '/regenerate-cache') {
	console.log("Comment is not trigger phrase")
	return
	}

	const commenter = await github.request(
	'GET /repos/{owner}/{repo}/collaborators/{username}/permission',
	{
	owner: owner,
	repo: repo,
	username: comment.user.login,
	headers: {
	'X-GitHub-Api-Version': '2022-11-28'
	}
	},
	)

	const commenter_can_push = commenter.data.user.permissions.push

	// Return early if comment sender doesn't have push rights
	if (!commenter_can_push) {
	console.log("User does not have push permissions")
	return
	}

	const pr = await github.rest.pulls.get({
	pull_number: pr_number,
	owner: owner,
	repo: repo,
	})

	const ref = pr.data.head.ref

	// We didn't return early, so dispatch the workflow
	const dispatch = await github.request(
	'POST /repos/{owner}/{repo}/actions/workflows/{workflow_id}/dispatches',
	{
	owner: owner,
	repo: repo,
	workflow_id: 'cookbook_preproc.yaml',
	ref: ref,
	inputs: {pr_number: pr_number.toString()},
	headers: {
	'X-GitHub-Api-Version': '2022-11-28'
	}
	},
	)

	console.log(dispatch)

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