no linking, copy rather.

src/Argonix.hs

@@ -329,7 +329,7 @@ readProcessVerbose verbosity name arguments envVars = do
           Just r  -> return r
           Nothing -> die "readProcess returned more than one line."
 
-setupSystem :: Text -> ArgsCommon -> IO [(Text, Text)]
+setupSystem :: Text -> ArgsCommon -> IO ([(Text, Text)],Text)
 setupSystem target sa = do
 
   sVerbose "sudo rm -rf result" >>= \case
@@ -348,7 +348,6 @@ setupSystem target sa = do
                                  ["-d", "/tmp/tmpdir-XXXX"]
                                  []
   sVerbose $ "chmod 777 " <> varTMPDIR
-  sVerbose $ "ln -s " <> varTMPDIR <> " " <> "./nixtmpdir"
 
   passVars  <- getVars ["PATH", "NIX_PATH", "NIX_SSL_CERT_FILE"]
 
@@ -358,7 +357,7 @@ setupSystem target sa = do
 
   when (isTarget target) $ setupNodeOs envVars
 
-  return envVars
+  return (envVars,varXDG_CACHE_HOME)
  where
   getVars :: [Text] -> IO [(Text, Text)]
   getVars vars = catMaybes <$> mapM maybeGet vars
@@ -409,7 +408,7 @@ nixArguments target ArgsCommon {..} =
 wrap :: NixCommand -> Text -> ArgsCommon -> IO ()
 wrap nixCommand target sa@ArgsCommon {..} = do
   when (verbosity == Verbose) $ print sa
-  envVars <- setupSystem target sa
+  (envVars,tmpXDGHOME) <- setupSystem target sa
   putText $ nixc <> " " <> T.unwords arglist
   case nixCommand of
     NixShell -> executeFile (toS nixc) True (fmap toS arglist) Nothing
@@ -419,6 +418,7 @@ wrap nixCommand target sa@ArgsCommon {..} = do
                     (P.proc (toS nixc) $ fmap toS arglist)
           )
         <> P.runProcess_ (P.proc "cp" ["-r", "/tmp/papa", "./result"])
+        <> P.runProcess_ (P.proc "cp" ["-r", toS tmpXDGHOME, "./nixtmpdir"])
  where
   nixc = toCommand nixCommand
   arglist =