CI: Use check-labels to label renovate PRs

.github/actions/check-labels/index.js

@@ -19,6 +19,23 @@ async function run() {
     const hasMultipleSemverLabels = attachedSemverLabels.length > 1;
     const hasOneSemverLabel = attachedSemverLabels.length === 1;
     const hasReleaseLabel = labelNames.includes('release');
+    const userName = pull_request.user.login;
+
+    if (userName === 'renovate[bot]') {
+      if (isMissingSemverLabel) {
+        const files = await getPullRequestFiles({ octokit });
+
+        const isOnlyLockFileChanged = files.every((file) => file.filename.endsWith('package-lock.json'));
+        if (isOnlyLockFileChanged) {
+          console.log('Detected renovate PR with only lock file changes. Applying `no-changelog` label.');
+          await updateLabels({ octokit, labels: ['no-changelog'] });
+        } else {
+          console.log('Detected renovate PR with file changes. Applying `patch` label.');
+          await updateLabels({ octokit, labels: ['patch'] });
+        }
+      }
+      core.setOutput('canMerge', 'Renovate PR');
+    }
 
     if (isMissingSemverLabel) {
       let errorMsg = [
@@ -91,6 +108,38 @@ async function run() {
   }
 }
 
+async function getPullRequestFiles({ octokit }) {
+  const {
+    payload: { pull_request },
+    repo,
+  } = context;
+  const prNumber = pull_request.number;
+  const { data } = await octokit.rest.pulls.listFiles({
+    ...repo,
+    pull_number: prNumber,
+  });
+
+  return data;
+}
+
+async function updateLabels({ octokit, labels }) {
+  try {
+    const {
+      payload: { pull_request },
+      repo,
+    } = context;
+    const prNumber = pull_request.number;
+
+    await octokit.rest.issues.setLabels({
+      ...repo,
+      issue_number: prNumber,
+      labels,
+    });
+  } catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
 async function doComment({ octokit, message }) {
   try {
     const {

.github/renovate.json5

@@ -6,7 +6,7 @@
   "reviewers": ["team:grafana/plugins-platform-frontend"],
   "enabledManagers": ["regex", "npm", "github-actions"],
   "postUpdateOptions": ["npmDedupe"],
-  "labels": ["dependencies", "javascript", "patch"],
+  "labels": ["dependencies", "javascript"],
   // These custom managers are used to bump dependencies in create-plugin template files
   "customManagers": [
     {

.github/workflows/check-labels.yml

@@ -10,7 +10,6 @@ on:
       - edited
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.number }}
-  cancel-in-progress: true
 
 permissions:
   pull-requests: write