Merge pull request #2710 from kubernetes-client/max/succeed-pre-check-on-release-branch

chore: make pre-check work on `release-*` branches

Author: k8s-ci-robot

pre-check.sh

@@ -2,13 +2,13 @@
 
 branch=$(git rev-parse --abbrev-ref HEAD)
 
-if [[ "${branch}" != "main" ]]; then
-  echo "This script can only be run on the main branch. Current branch is ${branch}"
+if [[ "${branch}" != "main" && ! "${branch}" =~ ^release- ]]; then
+  echo "This script can only be run on the main or release-* branches. Current branch is ${branch}"
   exit 1
 fi
 
 if ! git diff --quiet; then
-  echo "This script must only run on a clean main branch."
+  echo "This script must only run on a clean branch."
   echo
   git status
   exit 1