REF use text in few more places

bin/vbox-start.hs

@@ -60,7 +60,7 @@ vmPID :: String -> IO (Maybe Int)
 vmPID vid = do
   (rc, out, _) <- readCreateProcessWithExitCode' cmd ""
   return $ case rc of
-    ExitSuccess -> readMaybe out
+    ExitSuccess -> readMaybe $ T.unpack out
     _           -> Nothing
   where
     cmd = proc "pgrep" ["-f", "VirtualBoxVM.*" ++ vid]

bin/xmobar.hs

@@ -425,11 +425,13 @@ vpnPresent =
   go <$> tryIOError (readCreateProcessWithExitCode' (proc' "nmcli" args) "")
   where
     args = ["-c", "no", "-t", "-f", "TYPE", "c", "show"]
-    go (Right (ExitSuccess, out, _))   = if "vpn" `elem` lines out then Nothing
+    go (Right (ExitSuccess, out, _))   = if "vpn" `elem` T.lines out then Nothing
                                          else Just $ Msg Error "vpn not found"
     go (Right (ExitFailure c, _, err)) = Just $ Msg Error
                                          $ T.concat ["vpn search exited with code "
-                                                    , T.pack $ show c, ": ", T.pack err]
+                                                    , T.pack $ show c
+                                                    , ": "
+                                                    , err]
     go (Left e)                        = Just $ Msg Error $ T.pack $ show e
 
 --------------------------------------------------------------------------------

bin/xmonad.hs

@@ -15,6 +15,7 @@ import           Data.Internal.Dependency
 import           Data.List
 import           Data.Maybe
 import           Data.Monoid
+import           Data.Text.IO                                   (hPutStrLn)
 
 import           Graphics.X11.Types
 import           Graphics.X11.Xlib.Atom
@@ -25,7 +26,9 @@ import qualified RIO.Text                                       as T
 
 import           System.Directory
 import           System.Environment
-import           System.IO
+import           System.IO                                      hiding
+    ( hPutStrLn
+    )
 import           System.IO.Error
 import           System.Process
 
@@ -437,7 +440,6 @@ whenChanged v action = do
 logXinerama :: Handle -> X ()
 logXinerama h = withWindowSet $ \ws -> io
   $ hPutStrLn h
-  $ T.unpack
   $ T.unwords
   $ filter (not . T.null) [onScreen ws, offScreen ws, sep, layout ws, nWindows ws]
   where

lib/XMonad/Internal/Process.hs

@@ -23,6 +23,8 @@ import           Control.Monad.IO.Class
 
 import           Data.Maybe
 
+import qualified RIO.Text               as T
+
 import           System.Directory
 import           System.Exit
 import           System.IO
@@ -62,9 +64,11 @@ addGroupSession cp = cp { create_group = True, new_session = True }
 createProcess' :: CreateProcess -> IO (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle)
 createProcess' = withDefaultSignalHandlers . createProcess
 
-readCreateProcessWithExitCode' :: CreateProcess -> String -> IO (ExitCode, String, String)
-readCreateProcessWithExitCode' c i = withDefaultSignalHandlers
-  $ readCreateProcessWithExitCode c i
+readCreateProcessWithExitCode' :: CreateProcess -> String
+  -> IO (ExitCode, T.Text, T.Text)
+readCreateProcessWithExitCode' c i = withDefaultSignalHandlers $ do
+  (r, e, p) <- readCreateProcessWithExitCode c i
+  return (r, T.pack e, T.pack p)
 
 shell' :: String -> CreateProcess
 shell' = addGroupSession . shell