eidolon/devel.hs

--  eidolon -- A simple gallery in Haskell and Yesod
--  Copyright (C) 2015  Amedeo Molnár
--
--  This program is free software: you can redistribute it and/or modify
--  it under the terms of the GNU Affero General Public License as published
--  by the Free Software Foundation, either version 3 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--  GNU Affero General Public License for more details.
--
--  You should have received a copy of the GNU Affero General Public License
--  along with this program.  If not, see <http://www.gnu.org/licenses/>.

{-# LANGUAGE PackageImports #-}
import "eidolon" Application (getApplicationDev)
import Network.Wai.Handler.Warp
    (runSettings, defaultSettings, setPort)
import Control.Concurrent (forkIO)
import System.Directory (doesFileExist, removeFile)
import System.Exit (exitSuccess)
import Control.Concurrent (threadDelay)

main :: IO ()
main = do
    putStrLn "Starting devel application"
    (port, app) <- getApplicationDev
    forkIO $ runSettings (setPort port defaultSettings) app
    loop

loop :: IO ()
loop = do
  threadDelay 100000
  e <- doesFileExist "yesod-devel/devel-terminate"
  if e then terminateDevel else loop

terminateDevel :: IO ()
terminateDevel = exitSuccess