set labels on PRs

Author: dietmarw

.github/release.yml

@@ -61,6 +61,6 @@ changelog:
         - chore
         - maintenance
 
-    - title: Other Changes
+    - title: ⏪ Reverts
       labels:
-        - "*"
+        - revert

.github/workflows/label-pr.yml

@@ -0,0 +1,61 @@
+name: Label PRs from Conventional Commits
+
+on:
+  pull_request:
+    types: [opened, edited, reopened]
+
+permissions:
+  pull-requests: write
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Label PR based on title
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const title = context.payload.pull_request.title.toLowerCase();
+            const labels = [];
+            
+            // Check for breaking change indicator (!)
+            if (title.includes('!:') || title.match(/!\([^)]+\):/)) {
+              labels.push('breaking');
+            }
+            
+            // Match conventional commit types
+            if (title.startsWith('feat') || title.includes('feature')) {
+              labels.push('feat');
+            } else if (title.startsWith('fix')) {
+              labels.push('fix');
+            } else if (title.startsWith('docs')) {
+              labels.push('docs');
+            } else if (title.startsWith('refactor')) {
+              labels.push('refactor');
+            } else if (title.startsWith('perf')) {
+              labels.push('perf');
+            } else if (title.startsWith('test')) {
+              labels.push('test');
+            } else if (title.startsWith('build')) {
+              labels.push('build');
+            } else if (title.startsWith('ci')) {
+              labels.push('ci');
+            } else if (title.startsWith('chore')) {
+              labels.push('chore');
+            } else if (title.startsWith('style')) {
+              labels.push('style');
+            } else if (title.startsWith('revert')) {
+              labels.push('revert');
+            }
+            
+            // Add labels if any were identified
+            if (labels.length > 0) {
+              await github.rest.issues.addLabels({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: context.payload.pull_request.number,
+                labels: labels
+              });
+              
+              console.log(`Added labels: ${labels.join(', ')}`);
+            }