python-docs-samples also wraps this in e

Author: glasnt

build/int.cloudbuild.yaml

@@ -35,7 +35,9 @@ steps:
       cat _changed_folders
 
       # Do not prune if changing tests themselves
+      set +e
       _build_changes=$(git diff --quiet origin/main build test .github/workflows)
+      set -e
       if [[ -n "${_build_changes}" ]]; then
           echo "Infrastructure folders have changed; no tests will be pruned."
           exit 0 # do not prune