ENH enable line buffering in xmobar

bin/xmobar.hs

@@ -18,7 +18,6 @@ import qualified RIO.ByteString.Lazy as BL
 import RIO.List
 import RIO.Process
 import qualified RIO.Text as T
-import System.IO
 import UnliftIO.Environment
 import XMonad.Core hiding (config)
 import XMonad.Internal.Command.Desktop
@@ -50,12 +49,12 @@ parse ["--test"] = withCache $ withDBus_ evalConfig
 parse _ = usage
 
 run :: IO ()
-run = withCache $ withDBus_ $ \db -> do
+run = do
+  -- IDK why this is needed, I thought this was default
+  hSetBuffering stdout LineBuffering
+  withCache $ withDBus_ $ \db -> do
     c <- evalConfig db
-  liftIO $ do
-    -- this is needed to see any printed messages
-    hFlush stdout
-    xmobar c
+    liftIO $ xmobar c
 
 evalConfig :: DBusState -> FIO Config
 evalConfig db = do