feat: improve GitHub workflows

Author: AlaRduTP

.github/workflows/PR.yml

@@ -15,27 +15,31 @@ jobs:
                       const { owner, repo, number: issue_number } = context.issue;
                       const pr = await github.rest.pulls.get({ owner, repo, pull_number: issue_number });
                       const title = pr.data.title;
-                      const labRegex = /\[LAB(\d+)\]/;
-                      const titleRegex = /^\[LAB\d+\] [\da-zA-Z]+$/;
 
-                      if (!titleRegex.test(title)) {
-                        core.setFailed('PR title does not match the required format. Please use the format [LAB#] student#.');
+                      const titleRegex = /^\[LAB(\d+)\] [a-zA-Z]?\d+$/;
+                      const match = title.match(titleRegex);
+
+                      let labNumberStr = undefined;
+                      if (match) {
+                        labNumberStr = match[1];
+                      } else {
+                        core.setFailed('PR title does not match the required format. Please use the format: [LAB#] <studentId>.');
                       }
 
-                      if (pr.data.head.ref !== pr.data.base.ref) {
-                        core.setFailed('The source branch and target branch must be the same.');
+                      const labelToAdd = `lab${labNumberStr}`;
+                      if (labNumberStr) {
+                        await github.rest.issues.addLabels({ owner, repo, issue_number, labels: [labelToAdd] });
                       }
 
                       if (pr.data.base.ref === 'main') {
                         core.setFailed('The target branch cannot be main.');
                       }
 
-                      const match = title.match(labRegex);
-                      if (match) {
-                        const labelToAdd = 'lab' + match[1];
-                        await github.rest.issues.addLabels({ owner, repo, issue_number, labels: [labelToAdd] });
-                      } else {
-                        core.setFailed('No match found in PR title. Please add a label in the format [LAB#] to the PR title.');
+                      if (labNumberStr < 3 && pr.data.head.ref !== pr.data.base.ref) {
+                        core.setFailed('The source branch and target branch must be the same.');
+                      }
+                      if (labNumberStr >= 3 && pr.data.head.ref !== labelToAdd) {
+                        core.setFailed(`The source branch must be '${labelToAdd}'`);
                       }
     checklist-check:
         runs-on: ubuntu-latest
@@ -49,12 +53,12 @@ jobs:
                       const pr = await github.rest.pulls.get({ owner, repo, pull_number: issue_number });
                       const body = pr.data.body;
 
-                      const checkboxes = body.match(/\- \[[x ]\]/g);
+                      const checkboxes = body.match(/^ ?(-|\*) \[[x ]\]/gmi);
                       if (!checkboxes || checkboxes.length !== 5) {
                         core.setFailed('The PR description must contain exactly 5 checkboxes.');
                       }
 
-                      const unchecked = body.match(/\- \[ \]/g);
+                      const unchecked = body.match(/^ ?(-|\*) \[ \]/gm);
                       if (unchecked && unchecked.length > 0) {
-                        core.setFailed(`There are ${unchecked.length} unchecked items in the PR description.`);
+                        core.setFailed(`There are ${unchecked.length} unchecked item(s) in the PR description.`);
                       }

.github/workflows/lab-autograding.yml

@@ -0,0 +1,57 @@
+name: Autograding
+
+on:
+    pull_request_target:
+        types: [labeled, synchronize, opened, reopened, ready_for_review]
+
+jobs:
+    build:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            matrix:
+                os: [ubuntu-22.04]
+            fail-fast: false
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                  ref: "${{ github.event.pull_request.merge_commit_sha }}"
+                  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