hpath/test/Utils.hs

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Haskell
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2016-05-09 14:53:31 +00:00
{-# LANGUAGE OverloadedStrings #-}
module Utils where
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import Control.Applicative
(
(<$>)
)
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import HPath.IO
import HPath.IO.Errors
import HPath.IO.Utils
import Data.Maybe
(
fromJust
)
import qualified HPath as P
import System.Posix.Env.ByteString
(
getEnv
)
import Data.ByteString
(
ByteString
)
import System.Posix.Files.ByteString
(
groupExecuteMode
, groupReadMode
, nullFileMode
, otherExecuteMode
, otherReadMode
, ownerExecuteMode
, ownerReadMode
, setFileMode
, unionFileModes
)
-----------------
--[ Utilities ]--
-----------------
withPwd :: ByteString -> (P.Path P.Abs -> IO a) -> IO a
withPwd ip f = do
pwd <- fromJust <$> getEnv "PWD" >>= P.parseAbs
p <- (pwd P.</>) <$> P.parseRel ip
f p
withPwd' :: ByteString
-> ByteString
-> (P.Path P.Abs -> P.Path P.Abs -> IO a)
-> IO a
withPwd' ip1 ip2 f = do
pwd <- fromJust <$> getEnv "PWD" >>= P.parseAbs
p1 <- (pwd P.</>) <$> P.parseRel ip1
p2 <- (pwd P.</>) <$> P.parseRel ip2
f p1 p2
removeFileIfExists :: ByteString -> IO ()
removeFileIfExists bs =
withPwd bs $ \p -> whenM (doesFileExist p) (deleteFile p)
removeDirIfExists :: ByteString -> IO ()
removeDirIfExists bs =
withPwd bs $ \p -> whenM (doesDirectoryExist p) (deleteDirRecursive p)
copyFile' :: ByteString -> ByteString -> IO ()
copyFile' inputFileP outputFileP =
withPwd' inputFileP outputFileP copyFile
copyFileOverwrite' :: ByteString -> ByteString -> IO ()
copyFileOverwrite' inputFileP outputFileP =
withPwd' inputFileP outputFileP copyFileOverwrite
copyDirRecursive' :: ByteString -> ByteString -> IO ()
copyDirRecursive' inputDirP outputDirP =
withPwd' inputDirP outputDirP copyDirRecursive
copyDirRecursiveOverwrite' :: ByteString -> ByteString -> IO ()
copyDirRecursiveOverwrite' inputDirP outputDirP =
withPwd' inputDirP outputDirP copyDirRecursiveOverwrite
createDir' :: ByteString -> IO ()
createDir' dest = withPwd dest createDir
createRegularFile' :: ByteString -> IO ()
createRegularFile' dest = withPwd dest createRegularFile
renameFile' :: ByteString -> ByteString -> IO ()
renameFile' inputFileP outputFileP =
withPwd' inputFileP outputFileP $ \i o -> do
renameFile i o
renameFile o i
moveFile' :: ByteString -> ByteString -> IO ()
moveFile' inputFileP outputFileP =
withPwd' inputFileP outputFileP $ \i o -> do
moveFile i o
moveFile o i
moveFileOverwrite' :: ByteString -> ByteString -> IO ()
moveFileOverwrite' inputFileP outputFileP =
withPwd' inputFileP outputFileP $ \i o -> do
moveFileOverwrite i o
moveFile o i
recreateSymlink' :: ByteString -> ByteString -> IO ()
recreateSymlink' inputFileP outputFileP =
withPwd' inputFileP outputFileP recreateSymlink
noWritableDirPerms :: ByteString -> IO ()
noWritableDirPerms path = withPwd path $ \p ->
setFileMode (P.fromAbs p) perms
where
perms = ownerReadMode
`unionFileModes` ownerExecuteMode
`unionFileModes` groupReadMode
`unionFileModes` groupExecuteMode
`unionFileModes` otherReadMode
`unionFileModes` otherExecuteMode
noPerms :: ByteString -> IO ()
noPerms path = withPwd path $ \p -> setFileMode (P.fromAbs p) nullFileMode
normalDirPerms :: ByteString -> IO ()
normalDirPerms path =
withPwd path $ \p -> setFileMode (P.fromAbs p) newDirPerms
getFileType' :: ByteString -> IO FileType
getFileType' path = withPwd path getFileType
getDirsFiles' :: ByteString -> IO [P.Path P.Abs]
getDirsFiles' path = withPwd path getDirsFiles
deleteFile' :: ByteString -> IO ()
deleteFile' p = withPwd p deleteFile
deleteDir' :: ByteString -> IO ()
deleteDir' p = withPwd p deleteDir
deleteDirRecursive' :: ByteString -> IO ()
deleteDirRecursive' p = withPwd p deleteDirRecursive
canonicalizePath' :: ByteString -> IO (P.Path P.Abs)
canonicalizePath' p = withPwd p canonicalizePath