factor out common imports

no code changes

Utility/CopyFile.hs

@@ -5,7 +5,7 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
-module Utility.CopyFile (copyFile) where
+module Utility.CopyFile (copyFileExternal) where
 
 import System.Directory (doesFileExist, removeFile)
 
@@ -15,8 +15,8 @@ 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
+copyFileExternal :: FilePath -> FilePath -> IO Bool
+copyFileExternal src dest = do
 	whenM (doesFileExist dest) $
 		removeFile dest
 	boolSystem "cp" [params, File src, File dest]