ci: avoid version check on autorelease snapshot (#9246)

suztomo · web-flow · commit c6944ab9dd74 · 2023-03-17T17:42:18.000Z
When we change the version from non-snapshot to snapshot, we don't need to check the existence of snapshot. Such pull requests are labelled as "autorelease: snapshot"
diff --git a/.github/workflows/versions.yaml b/.github/workflows/versions.yaml
@@ -30,7 +30,9 @@ jobs:
   # have the duplicate versions in Maven Central
   existing-versions-check:
     runs-on: ubuntu-latest
-    if: github.repository_owner == 'googleapis' && github.head_ref == 'release-please--branches--main'
+    if: |
+      github.repository_owner == 'googleapis' && github.head_ref == 'release-please--branches--main' &&
+      (github.event_name != 'pull_request' || !contains(github.event.pull_request.labels.*.name, 'autorelease: snapshot'))
     steps:
     - run: sudo apt-get update -y
     - run: sudo apt-get install libxml2-utils
