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