Fix: completed basics exercises #66

	name: PR Auto Grader

	on:
	pull_request_target:
	branches:
	- main

	permissions:
	contents: write
	pull-requests: write

	jobs:
	grade:
	name: PR Auto Grader
	runs-on: ubuntu-latest

	steps:

	# 1️⃣ Checkout PR code
	- name: Checkout PR Code
	uses: actions/checkout@v4
	with:
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	ref: ${{ github.event.pull_request.head.ref }}
	fetch-depth: 0

	# 2️⃣ Checkout Private Grader Repository
	- name: Checkout Private Grader
	uses: actions/checkout@v4
	with:
	repository: Once-1296/CoC-workshop-test-runner
	token: ${{ secrets.GRADER_REPO_TOKEN }}
	path: grader_repo
	# validate cloned Repo
	- name: Validate Cloned Repo
	run: \|
	if [ ! -d "grader_repo" ]; then
	echo "❌ Failed to clone grader repo"
	exit 1
	fi

	# 3️⃣ Fetch main branch
	- name: Fetch Main Branch
	run: git fetch origin main

	- name: Assemble Workspace
	run: \|
	mkdir workspace
	mkdir workspace/student_repo
	cp -r grader_repo/grader workspace/
	cp -r grader_repo/hidden_tests workspace/
	cp -r "${{ github.event.pull_request.user.login }}_solutions/." workspace/student_repo/
	ls
	pwd


	# 4️⃣ Validate Repository Structure
	- name: Validate Structure
	run: python3 grader_repo/grader/validate_structure.py

	# 5️⃣ Validate Only Allowed Files Modified
	- name: Validate Diff
	run: python3 grader_repo/grader/validate_diff.py
	env:
	GITHUB_BASE_SHA: ${{ github.event.pull_request.base.sha }}
	GITHUB_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
	PULL_REQUEST_AUTHOR: ${{ github.event.pull_request.user.login }}

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