scripts/override_gem in rvm-1.0.5 vs scripts/override_gem in rvm-1.0.6

@@ -1,10 +1,13 @@
 #!/usr/bin/env bash
 
-if [[ -z "$rvm_leave_gem_alone" ]]; then
+if [[ ${rvm_leave_gem_alone:-0} -eq 0 ]]; then
   gem() {
-    command gem "$@"
-    local gem_result="$?"
+    local result
+
+    command gem "$@" ; result="$?"
+
     hash -r
-    return $gem_result
+
+    return $result
   }
-fi
\ No newline at end of file
+fi