@@ -130,8 +130,10 @@ let
131 # Wrapper for test executable run in checkPhase
131 # Wrapper for test executable run in checkPhase
132 testWrapper = mkOption {
132 testWrapper = mkOption {
133− type = str;
133+ type = nullOr str;
134− default = (def.testWrapper or "");
134+ default = def.testWrapper or null;
135+ description = "A command to run for executing tests in checkPhase, which takes the original test command as its arguments.";
136 postCheck = mkOption {
138 postCheck = mkOption {
137 type = nullOr str;
139 type = nullOr str;