install.sh should not abort if openshift olm is not installed

fixes: operator-framework/operator-lifecycle-manager#2210
Signed-off-by: John Mazzitelli <[email protected]>

Upstream-repository: operator-lifecycle-manager
Upstream-commit: fb6e5e759952c76d9e8a21d203da6d1fd231f1c8

Author: jmazzitelli

staging/operator-lifecycle-manager/scripts/install.sh

@@ -14,8 +14,7 @@ if [[ ${#@} -lt 1 || ${#@} -gt 2 ]]; then
     exit 1
 fi
 
-kubectl get deployment olm-operator -n openshift-operator-lifecycle-manager -o=jsonpath='{.spec}' > /dev/null 2>&1
-if [[ $? -eq 0 ]]; then
+if kubectl get deployment olm-operator -n openshift-operator-lifecycle-manager -o=jsonpath='{.spec}' > /dev/null 2>&1; then
     echo "OLM is already installed in a different configuration. This is common if you are not running a vanilla Kubernetes cluster. Exiting..."
     exit 1
 fi