[LAB2] 312345678 #10

	name: Autograding

	on:
	pull_request_target:
	types: [labeled, synchronize, opened, reopened, ready_for_review]

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-22.04]
	fail-fast: false
	steps:
	- uses: actions/checkout@v1
	with:
	fetch-depth: 1
	- uses: actions/setup-node@v4
	with:
	node-version: latest
	- name: Extract lab number and Check no changes other than specific files
	uses: actions/github-script@v5
	id: lab
	with:
	result-encoding: string
	github-token: ${{ secrets.GITHUB_TOKEN }}
	script: \|
	const { owner, repo, number: issue_number } = context.issue;
	const pr = await github.rest.pulls.get({ owner, repo, pull_number: issue_number });
	const labels = pr.data.labels;
	const lab = labels.find((label) => label.name.startsWith('lab'));
	if (!lab) {
	core.setFailed('No lab label found on the PR.');
	return { number: 0 };
	}
	const labNumberMatch = lab.name.match(/lab(\d+)/);
	if (!labNumberMatch) {
	core.setFailed('Invalid lab label found on the PR.');
	return { number: 0 };
	}
	const labNumber = labNumberMatch[1];
	console.log(`Lab number: ${labNumber}`)

	const files = await github.rest.pulls.listFiles({ owner, repo, pull_number: issue_number });
	const changedFiles = files.data.map((file) => file.filename);
	const allowedFiles = [
	`lab${labNumber}/main_test.js`,
	];
	if (!changedFiles.every((file) => allowedFiles.includes(file))) {
	core.setFailed('The PR contains changes to files other than the allowed files.');
	}
	return labNumber;
	- name: Grading
	run: \|
	cd lab${{ steps.lab.outputs.result }}
	./validate.sh

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