#! /usr/bin/env runhaskell

-- Copyright: 2010 Dino Morelli
-- License: BSD3 (see LICENSE)
-- Author: Dino Morelli <dino@ui3.info>

import Control.Monad ( unless )
import Distribution.Simple
import System.FilePath
import System.Posix.Files ( createSymbolicLink, fileExist )


symlinkBinary binary = do
   let dest = "bin" </> binary

   exists <- fileExist dest
   unless exists $ do
      let src = ".." </> "dist" </> "build" </> binary </> binary
      createSymbolicLink src dest


main = defaultMainWithHooks (simpleUserHooks 
   { postBuild = customPostBuild
   } )
   where
      -- Create symlinks in bin to the binaries after build for 
      -- developer convenience
      customPostBuild _ _ _ _ = mapM_ symlinkBinary
         [ "cltw" ]