28 lines
799 B
Haskell
28 lines
799 B
Haskell
{- git-annex file copying
|
|
-
|
|
- Copyright 2010 Joey Hess <joey@kitenet.net>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
module Utility.CopyFile (copyFile) where
|
|
|
|
import System.Directory (doesFileExist, removeFile)
|
|
|
|
import Utility.Conditional
|
|
import Utility.SafeCommand
|
|
import qualified Build.SysConfig as SysConfig
|
|
|
|
{- The cp command is used, because I hate reinventing the wheel,
|
|
- and because this allows easy access to features like cp --reflink. -}
|
|
copyFile :: FilePath -> FilePath -> IO Bool
|
|
copyFile src dest = do
|
|
whenM (doesFileExist dest) $
|
|
removeFile dest
|
|
boolSystem "cp" [params, File src, File dest]
|
|
where
|
|
params
|
|
| SysConfig.cp_reflink_auto = Params "--reflink=auto"
|
|
| SysConfig.cp_a = Params "-a"
|
|
| SysConfig.cp_p = Params "-p"
|
|
| otherwise = Params ""
|