getAdditionalDependencies :: IO [Dependency]
getAdditionalDependencies = do
  exists <- doesFileExist configFile
  if exists
    then readConfig
    else return []
getAdditionalDependencies :: IO [Dependency]
getAdditionalDependencies = do
  exists <- doesFileExist configFile
  if exists
    then readConfig
    else return []
getAdditionalDependencies = do
  exists <- doesFileExist configFile
  if exists
    then readConfig
    else return []