remove -L in copySuccess

src/Nixwrap.hs

@@ -271,7 +271,7 @@ wrap nixCommand target sa@ArgsCommon {..} = do
               ExitFailure _ -> copyFailure (toS tmpDir) >> die "build failed."
  where
   copySuccess source = do
-    runProcessVerbose verbosity "cp"    ["--no-preserve=mode", "-Lr", source, "./result"] []
+    runProcessVerbose verbosity "cp"    ["--no-preserve=mode", "-r", source, "./result"] []
     runProcessVerbose verbosity "chmod" ["-R", "+w", "./result"]    []
   copyFailure source = do
     runProcessVerbose verbosity "cp"    ["-Lr", source, "./nixtmpdir"] []