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{-# LANGUAGE CPP #-}
module CopyFileWithMetadata where
#include "util.inl"
import System.Directory
import Control.Exception (finally)
import Data.Foldable (for_)
import Data.List (sort)
import System.IO.Error (catchIOError)
main :: TestEnv -> IO ()
main _t = (`finally` cleanup) $ do
-- prepare source file
writeFile "a" contents
writeFile "b" "To be replaced\n"
setModificationTime "a" mtime
modifyWritable False "a"
perm <- getPermissions "a"
-- sanity check
T(expectEq) () ["a", "b"] . sort =<< listDirectory "."
-- copy file
copyFileWithMetadata "a" "b"
copyFileWithMetadata "a" "c"
-- make sure we got the right results
T(expectEq) () ["a", "b", "c"] . sort =<< listDirectory "."
for_ ["b", "c"] $ \ f -> do
T(expectEq) f perm =<< getPermissions f
T(expectEq) f mtime =<< getModificationTime f
T(expectEq) f contents =<< readFile f
where
contents = "This is the data\n"
mtime = read "2000-01-01 00:00:00"
cleanup = do
-- needed to ensure the test runner can clean up our mess
modifyWritable True "a" `catchIOError` \ _ -> return ()
modifyWritable True "b" `catchIOError` \ _ -> return ()
modifyWritable True "c" `catchIOError` \ _ -> return ()
modifyWritable b f = do
perm <- getPermissions f
setPermissions f (setOwnerWritable b perm)
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