src/Hakyll/Core/CopyFile.hs


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-- | Exports simple compilers to just copy files
--
{-# LANGUAGE GeneralizedNewtypeDeriving, DeriveDataTypeable #-}
module Hakyll.Core.CopyFile
    ( CopyFile (..)
    , copyFileCompiler
    ) where

import Control.Arrow ((>>^))
import System.Directory (copyFile)

import Data.Typeable (Typeable)
import Data.Binary (Binary)

import Hakyll.Core.ResourceProvider
import Hakyll.Core.Writable
import Hakyll.Core.Compiler
import Hakyll.Core.Identifier

-- | Newtype construct around 'FilePath' which will copy the file directly
--
newtype CopyFile = CopyFile {unCopyFile :: FilePath}
                 deriving (Show, Eq, Ord, Binary, Typeable)

instance Writable CopyFile where
    write dst (CopyFile src) = copyFile src dst

copyFileCompiler :: Compiler Resource CopyFile
copyFileCompiler = getIdentifier >>^ CopyFile . toFilePath