kselftest: allow empty -E option, echo the env var

kernelci · Jun 5, 2024 · 09fc67e · 09fc67e
1 parent 9246e6b
commit 09fc67e
Showing 1 changed file with 9 additions and 6 deletions.
diff --git a/automated/linux/kselftest/kselftest.sh b/automated/linux/kselftest/kselftest.sh
@@ -109,15 +109,18 @@ while getopts "i:n:c:T:t:s:u:p:L:S:b:g:e:E:h" opt; do
             export ENVIRONMENT="${OPTARG}"
             ;;
         E)
-             IFS='=' read -r env_name env_val << EOF
+            if [ -n "$OPTARG" ]; then
+                 IFS='=' read -r env_name env_val << EOF
 $OPTARG
 EOF
-            if [ -z "$env_name" ] || [ -z "$env_val" ]; then
-                echo "Option -E requires an argument of format ENV_NAME=ENV_VAL"
-                exit 1
+                if [ -z "$env_name" ] || [ -z "$env_val" ]; then
+                    echo "Option -E requires an argument of format ENV_NAME=ENV_VAL"
+                    exit 1
+                fi
+                # Use eval to set an environment variable dynamically
+                eval "export ${env_name}=${env_val}"
+                eval "echo \"${env_name}='\$${env_name}'\""
             fi
-            # Use eval to set an environment variable dynamically
-            eval "export ${env_name}='${env_val}'"
             ;;
         h|*) usage ;;
     esac