Use git tag without major version in master to get latest tag

test/lib.sh

@@ -67,6 +67,21 @@ function cloud_run_events_setup() {
   wait_until_pods_running events-system || return 1
 }
 
+function latest_version() {
+  echo "The current branch is $(current_branch)"
+  if [ $(current_branch) = "master" ]; then
+    echo "Current branch is master, using latest git tag"
+    # For master, simply use git tag without major version, this will work even if the release tag is not in the master
+    git tag | sort -r --version-sort | head -n1
+  else
+    local semver=$(git describe --match "v[0-9]*" --abbrev=0)
+    local major_minor=$(echo "$semver" | cut -d. -f1-2)
+
+    # Get the latest patch release for the major minor
+    git tag -l "${major_minor}*" | sort -r --version-sort | head -n1
+  fi
+}
+
 # Latest release. If user does not supply this as a flag, the latest
 # tagged release on the current branch will be used.
 readonly LATEST_RELEASE_VERSION=$(latest_version)