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chore: Configure Renovate - autoclosed #3

	name: Release preview

	on:
	pull_request:
	types: [opened, synchronize, reopened]

	permissions:
	contents: write
	pull-requests: write

	jobs:
	preview:
	if: github.event.pull_request.head.repo.full_name == github.repository
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	fetch-depth: 0

	- uses: actions/setup-node@v4
	with:
	node-version: 26
	cache: npm

	- run: npm ci

	- id: preview
	run: \|
	# shellcheck disable=SC2016 # JS template literals, not shell expansions
	GITHUB_EVENT_NAME=push GITHUB_REF="refs/heads/$BRANCH" \
	node --input-type=module -e '
	import { readFileSync, writeFileSync } from "node:fs";
	import semanticRelease from "semantic-release";
	// haddock-since verifyConditions needs stack on PATH; not worth a GHC install for a preview
	const { plugins } = JSON.parse(readFileSync(".releaserc.json", "utf8"));
	const res = await semanticRelease({
	dryRun: true,
	branches: [process.env.BRANCH],
	plugins: plugins.filter((p) => !(Array.isArray(p) ? p[0] : p).includes("haddock-since")),
	});
	writeFileSync("comment.md", res?.nextRelease
	? `## Release preview\n\nNext version: \`${res.nextRelease.version}\`\n\n${res.nextRelease.notes}`
	: "## Release preview\n\nNo release would be published from this branch.\n");
	'
	env:
	BRANCH: ${{ github.head_ref }}
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- run: gh pr comment "$NUMBER" --body-file comment.md --edit-last --create-if-none
	env:
	NUMBER: ${{ github.event.pull_request.number }}
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}