hledger/hledger-web/app/devel.hs

{-# LANGUAGE PackageImports #-}
import "hledger-web" Hledger.Web.Main (hledgerWebDev)
import Network.Wai.Handler.Warp (runSettings, defaultSettings, setPort)
import Control.Concurrent (forkIO, threadDelay)
import System.Directory (doesFileExist, removeFile)
import System.Exit (exitSuccess)

main :: IO ()
main = do
    putStrLn "Starting devel application"
    (port, app) <- hledgerWebDev
    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