conf_file <- readIORef package_config
access <- getPermissions conf_file
unless (writable access)
- throwDyn (OtherError "you don't have permission to modify the package configuration file")
+ (throwDyn (OtherError "you don't have permission to modify the package configuration file"))
maybeRestoreOldConfig :: String -> IO () -> IO ()
maybeRestoreOldConfig conf_file io