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Create User Release Notes Asset #5

	name: Create User Release Notes Asset

	on:
	workflow_run:
	workflows: [Create Release with Changelog]
	types:
	- completed

	jobs:
	release:
	runs-on: ubuntu-latest
	steps:
	- name: Extract User Release Notes and Upload Asset
	uses: actions/github-script@v8
	with:
	script: \|
	const REPO_OWNER = "diamondlightsource";
	const REPO_NAME = "httomo";
	const FILENAME = "user-release-notes.txt";
	const USER_RELEASE_NOTES_HEADER = "Notable Changes for Users";

	function extractUserReleaseNotes(text) {
	if (!text.includes(USER_RELEASE_NOTES_HEADER)) {
	return [];
	}

	const lines = text.split("\n");
	const idx = lines.findIndex((element) => element === `### ${USER_RELEASE_NOTES_HEADER}`);

	let notes = [];
	for (const line of lines.slice(idx + 1)) {
	if (line.slice(0, 2) === "* ") {
	const prTitle = line.split(" by")[0];
	notes.push(prTitle);
	continue;
	}
	break;
	}

	return notes;
	};

	const release = await github.rest.repos.getReleaseByTag({
	owner: REPO_OWNER,
	repo: REPO_NAME,
	tag: context.payload.workflow_run.head_branch
	});

	const lines = extractUserReleaseNotes(release.data.body);

	if (lines.length > 0) {
	const encoder = new TextEncoder();
	await github.rest.repos.uploadReleaseAsset({
	owner: REPO_OWNER,
	repo: REPO_NAME,
	release_id: release.data.id,
	name: FILENAME,
	data: encoder.encode(lines.join("\n")),
	});
	}