Merge pull request #276 from UKGovernmentBEIS/PC-1045-add-yml-file-to…

…-check-for-label-when-PR-targeting-main

PC-1045: add yml file to check for label when PR targeting main

.github/workflows/main-label-check.yml

@@ -0,0 +1,17 @@
+name: main_label_check
+
+on:
+  pull_request:
+    types: [opened, edited, labeled, unlabeled]
+
+jobs:
+  label_check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fail if no "production release" label is present while targeting main
+        if: ${{github.event.pull_request.base.ref == 'main' && !contains(github.event.pull_request.labels.*.name, 'production release')}}
+        uses: actions/github-script@v3
+        with:
+          script: |
+            core.setFailed("Label is missing: add a 'production release' label in order to merge to main")
+