hpath/hpath-directory/test/Utils.hs

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2020-01-26 19:00:33 +00:00
{-# LANGUAGE OverloadedStrings #-}
module Utils where
import Control.Applicative
(
(<$>)
)
import Control.Monad
(
forM_
, void
)
import Control.Monad.IfElse
(
whenM
)
import qualified Data.ByteString as BS
import qualified Data.ByteString.Lazy as BSL
import Data.IORef
(
newIORef
, readIORef
, writeIORef
, IORef
)
import "hpath-directory" System.Posix.RawFilePath.Directory
import Prelude hiding (appendFile, readFile, writeFile)
import Data.Maybe
(
fromJust
)
import System.IO.Unsafe
(
unsafePerformIO
)
import qualified System.Posix.RawFilePath.Directory.Traversals as DT
import Data.ByteString
(
ByteString
)
import qualified Data.ByteString.Lazy as L
import System.Posix.FilePath
import System.Posix.Files.ByteString
(
groupExecuteMode
, groupReadMode
, nullFileMode
, otherExecuteMode
, otherReadMode
, ownerExecuteMode
, ownerReadMode
, setFileMode
, unionFileModes
)
baseTmpDir :: IORef (Maybe ByteString)
{-# NOINLINE baseTmpDir #-}
baseTmpDir = unsafePerformIO (newIORef Nothing)
tmpDir :: IORef (Maybe ByteString)
{-# NOINLINE tmpDir #-}
tmpDir = unsafePerformIO (newIORef Nothing)
-----------------
--[ Utilities ]--
-----------------
setTmpDir :: ByteString -> IO ()
{-# NOINLINE setTmpDir #-}
setTmpDir bs = do
tmp <- fromJust <$> readIORef baseTmpDir
writeIORef tmpDir (Just (tmp `BS.append` bs))
createTmpDir :: IO ()
{-# NOINLINE createTmpDir #-}
createTmpDir = do
tmp <- fromJust <$> readIORef tmpDir
void $ createDir newDirPerms tmp
deleteTmpDir :: IO ()
{-# NOINLINE deleteTmpDir #-}
deleteTmpDir = do
tmp <- fromJust <$> readIORef tmpDir
void $ deleteDir tmp
deleteBaseTmpDir :: IO ()
{-# NOINLINE deleteBaseTmpDir #-}
deleteBaseTmpDir = do
tmp <- fromJust <$> readIORef baseTmpDir
contents <- getDirsFiles tmp
forM_ contents deleteDir
void $ deleteDir tmp
withRawTmpDir :: (ByteString -> IO a) -> IO a
{-# NOINLINE withRawTmpDir #-}
withRawTmpDir f = do
tmp <- fromJust <$> readIORef tmpDir
f tmp
getRawTmpDir :: IO ByteString
{-# NOINLINE getRawTmpDir #-}
getRawTmpDir = withRawTmpDir (return . flip BS.append "/")
withTmpDir :: ByteString -> (ByteString -> IO a) -> IO a
{-# NOINLINE withTmpDir #-}
withTmpDir ip f = do
tmp <- fromJust <$> readIORef tmpDir
let p = tmp </> ip
f p
withTmpDir' :: ByteString
-> ByteString
-> (ByteString -> ByteString -> IO a)
-> IO a
{-# NOINLINE withTmpDir' #-}
withTmpDir' ip1 ip2 f = do
tmp <- fromJust <$> readIORef tmpDir
let p1 = tmp </> ip1
let p2 = tmp </> ip2
f p1 p2
removeFileIfExists :: ByteString -> IO ()
{-# NOINLINE removeFileIfExists #-}
removeFileIfExists bs =
withTmpDir bs $ \p -> whenM (doesFileExist p) (deleteFile p)
removeDirIfExists :: ByteString -> IO ()
{-# NOINLINE removeDirIfExists #-}
removeDirIfExists bs =
withTmpDir bs $ \p -> whenM (doesDirectoryExist p) (deleteDirRecursive p)
copyFile' :: ByteString -> ByteString -> CopyMode -> IO ()
{-# NOINLINE copyFile' #-}
copyFile' inputFileP outputFileP cm =
withTmpDir' inputFileP outputFileP (\p1 p2 -> copyFile p1 p2 cm)
copyDirRecursive' :: ByteString -> ByteString
-> CopyMode -> RecursiveErrorMode -> IO ()
{-# NOINLINE copyDirRecursive' #-}
copyDirRecursive' inputDirP outputDirP cm rm =
withTmpDir' inputDirP outputDirP (\p1 p2 -> copyDirRecursive p1 p2 cm rm)
createDir' :: ByteString -> IO ()
{-# NOINLINE createDir' #-}
createDir' dest = withTmpDir dest (createDir newDirPerms)
createDirIfMissing' :: ByteString -> IO ()
{-# NOINLINE createDirIfMissing' #-}
createDirIfMissing' dest = withTmpDir dest (createDirIfMissing newDirPerms)
createDirRecursive' :: ByteString -> IO ()
{-# NOINLINE createDirRecursive' #-}
createDirRecursive' dest = withTmpDir dest (createDirRecursive newDirPerms)
createRegularFile' :: ByteString -> IO ()
{-# NOINLINE createRegularFile' #-}
createRegularFile' dest = withTmpDir dest (createRegularFile newFilePerms)
createSymlink' :: ByteString -> ByteString -> IO ()
{-# NOINLINE createSymlink' #-}
createSymlink' dest sympoint = withTmpDir dest
(\x -> createSymlink x sympoint)
renameFile' :: ByteString -> ByteString -> IO ()
{-# NOINLINE renameFile' #-}
renameFile' inputFileP outputFileP =
withTmpDir' inputFileP outputFileP $ \i o -> do
renameFile i o
renameFile o i
moveFile' :: ByteString -> ByteString -> CopyMode -> IO ()
{-# NOINLINE moveFile' #-}
moveFile' inputFileP outputFileP cm =
withTmpDir' inputFileP outputFileP $ \i o -> do
moveFile i o cm
moveFile o i Strict
recreateSymlink' :: ByteString -> ByteString -> CopyMode -> IO ()
{-# NOINLINE recreateSymlink' #-}
recreateSymlink' inputFileP outputFileP cm =
withTmpDir' inputFileP outputFileP (\p1 p2 -> recreateSymlink p1 p2 cm)
noWritableDirPerms :: ByteString -> IO ()
{-# NOINLINE noWritableDirPerms #-}
noWritableDirPerms path = withTmpDir path $ \p ->
setFileMode p perms
where
perms = ownerReadMode
`unionFileModes` ownerExecuteMode
`unionFileModes` groupReadMode
`unionFileModes` groupExecuteMode
`unionFileModes` otherReadMode
`unionFileModes` otherExecuteMode
noPerms :: ByteString -> IO ()
{-# NOINLINE noPerms #-}
noPerms path = withTmpDir path $ \p -> setFileMode p nullFileMode
normalDirPerms :: ByteString -> IO ()
{-# NOINLINE normalDirPerms #-}
normalDirPerms path =
withTmpDir path $ \p -> setFileMode p newDirPerms
normalFilePerms :: ByteString -> IO ()
{-# NOINLINE normalFilePerms #-}
normalFilePerms path =
withTmpDir path $ \p -> setFileMode p newFilePerms
getFileType' :: ByteString -> IO FileType
{-# NOINLINE getFileType' #-}
getFileType' path = withTmpDir path getFileType
getDirsFiles' :: ByteString -> IO [ByteString]
{-# NOINLINE getDirsFiles' #-}
getDirsFiles' path = withTmpDir path getDirsFiles
deleteFile' :: ByteString -> IO ()
{-# NOINLINE deleteFile' #-}
deleteFile' p = withTmpDir p deleteFile
deleteDir' :: ByteString -> IO ()
{-# NOINLINE deleteDir' #-}
deleteDir' p = withTmpDir p deleteDir
deleteDirRecursive' :: ByteString -> IO ()
{-# NOINLINE deleteDirRecursive' #-}
deleteDirRecursive' p = withTmpDir p deleteDirRecursive
canonicalizePath' :: ByteString -> IO ByteString
{-# NOINLINE canonicalizePath' #-}
canonicalizePath' p = withTmpDir p canonicalizePath
writeFile' :: ByteString -> ByteString -> IO ()
{-# NOINLINE writeFile' #-}
writeFile' ip bs =
withTmpDir ip $ \p -> writeFile p Nothing bs
writeFileL' :: ByteString -> BSL.ByteString -> IO ()
{-# NOINLINE writeFileL' #-}
writeFileL' ip bs =
withTmpDir ip $ \p -> writeFileL p Nothing bs
appendFile' :: ByteString -> ByteString -> IO ()
{-# NOINLINE appendFile' #-}
appendFile' ip bs =
withTmpDir ip $ \p -> appendFile p bs
allDirectoryContents' :: ByteString -> IO [ByteString]
{-# NOINLINE allDirectoryContents' #-}
allDirectoryContents' ip =
withTmpDir ip $ \p -> DT.allDirectoryContents' p
readFile' :: ByteString -> IO ByteString
{-# NOINLINE readFile' #-}
readFile' p = withTmpDir p (fmap L.toStrict . readFile)