ADD cache for sudo

app/rofi-dev.hs

@@ -732,9 +732,16 @@ runMountSudoMaybe' useSudo cmd args environ =
 -- runSudoMount rootpass cmd args stdin = runSudoMount' rootpass cmd args stdin []
 
 runSudoMount' :: MonadIO m => T.Text -> T.Text -> [T.Text] -> [(T.Text, T.Text)] -> m MountResult
-runSudoMount' rootpass cmd args environ = runMount "sudo" args' rootpass
+runSudoMount' rootpass cmd args environ = do
+  -- This needs Default timestamp_type=global in sudoers to have any effect
+  -- since these are all separate shells
+  isCached <- isJust <$> readCmdSuccess "sudo" ["-n", "true"] ""
+  if isCached then run else do
+     cacheSuccess <- isJust <$> readCmdSuccess "sudo" ["-S", "true"] rootpass
+     if cacheSuccess then run else return $ MountError "Could not cache password"
   where
-    args' = ["-S"] ++ environ' ++ [cmd] ++ args
+    run = runMount "sudo" args' ""
+    args' = ["-n"] ++ environ' ++ [cmd] ++ args
     environ' = fmap (\(k, v) -> T.concat [k, "=", v]) environ
 
 eitherToMountResult :: Either (Int, T.Text, T.Text) T.Text -> MountResult

lib/Rofi/Command.hs

@@ -69,8 +69,8 @@ hotkeyMsg hs = ["-mesg", T.intercalate " | " $ fmap hotkeyMsg1 hs]
 
 hotkeyArgs :: [Hotkey c] -> [T.Text]
 hotkeyArgs hks =
-  (hotkeyMsg hks)
-    ++ (concatMap (uncurry hotkeyBinding) $ take 19 $ zip [1 ..] hks)
+  hotkeyMsg hks
+    ++ concatMap (uncurry hotkeyBinding) (take 19 $ zip [1 ..] hks)
 
 data RofiMenu c = RofiMenu
   { groups :: ![RofiGroup c]
@@ -129,7 +129,7 @@ selectAction rm = do
         -- keybindings are labeled 1-19 and thus need to be explicitly
         -- indexed, and the program itself tells the world which key was
         -- pressed via return code (any possible integer)
-        ((V.fromList $ hotkeys rm) V.!? (n - 10))
+        (V.fromList (hotkeys rm) V.!? (n - 10))
 
 runRofi :: (MonadIO m, HasRofiConf c) => c -> RofiMenu c -> m ()
 runRofi c = runRIO c . selectAction
@@ -171,7 +171,7 @@ readCmdEither'
   -> m (Either (Int, T.Text, T.Text) T.Text)
 readCmdEither' cmd args input environ =
   resultToEither
-    <$> (liftIO $ readCreateProcessWithExitCode p (T.unpack input))
+    <$> liftIO (readCreateProcessWithExitCode p (T.unpack input))
   where
     e = case environ of
       [] -> Nothing

lib/Rofi/IO.hs

@@ -16,8 +16,8 @@ notify icon summary body =
   liftIO $
     void $
       spawnProcess "notify-send" $
-        maybe args (\b -> args ++ [b]) $
-          fmap T.unpack body
+        maybe args ((\b -> args ++ [b]) . T.unpack)
+          body
   where
     args = ["-i", show icon, T.unpack summary]