cblrepo-0.18.0: src/CreateConfig.hs

{-
 - Copyright 2015 Per Magnus Therning
 -
 - Licensed under the Apache License, Version 2.0 (the "License");
 - you may not use this file except in compliance with the License.
 - You may obtain a copy of the License at
 -
 -     http://www.apache.org/licenses/LICENSE-2.0
 -
 - Unless required by applicable law or agreed to in writing, software
 - distributed under the License is distributed on an "AS IS" BASIS,
 - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 - See the License for the specific language governing permissions and
 - limitations under the License.
 -}

module CreateConfig
    where

import Util.Cfg
import Util.Misc

import Data.Aeson
import Control.Monad
import Control.Monad.IO.Class
import System.Exit
import System.Posix.Files

createConfig :: Command ()
createConfig = liftIO $ do
    exists <- fileExist "cblrepo.cfg"
    if exists
        then putStrLn "Configuration file already exists" >> exitFailure
        else saveDefCfg "cblrepo.cfg"