Release 0.8.0

This allows to specify the behavior on recursive operations,
such that one can collect failures instead of dying on the first
failure.

.travis.yml

@@ -9,15 +9,22 @@ matrix:
   include:
     - env: CABALVER=1.22 GHCVER=7.8.4
       addons: {apt: {packages: [cabal-install-1.22,ghc-7.8.4], sources: [hvr-ghc]}}
-    - env: CABALVER=1.22 GHCVER=7.10.2
-      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.2], sources: [hvr-ghc]}}
+    - env: CABALVER=1.24 GHCVER=7.10.2
+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.10.2], sources: [hvr-ghc]}}
+    - env: CABALVER=1.24 GHCVER=8.0.1
+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.1], sources: [hvr-ghc]}}
     - env: CABALVER=head GHCVER=head
       addons: {apt: {packages: [cabal-install-head,ghc-head],  sources: [hvr-ghc]}}
 
   allow_failures:
     - env: CABALVER=head GHCVER=head
 
+env:
+  global:
+    - secure: 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
+
 before_install:
+ - sudo apt-get install -y hscolour
  - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
 
 install:
@@ -32,6 +39,7 @@ script:
  - cabal test
  - cabal check
  - cabal sdist
+ - cabal haddock --hyperlink-source --html-location=https://hackage.haskell.org/package/\$pkg-\$version/docs/
 # check that the generated source-distribution can be built & installed
  - export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}') ;
    cd dist/;
@@ -41,7 +49,11 @@ script:
    else
       echo "expected '$SRC_TGZ' not found";
       exit 1;
-   fi
+   fi;
+   cd ..
+
+after_script:
+    - ./update-gh-pages.sh
 
 notifications:
   email:

CHANGELOG

@@ -1,3 +1,27 @@
+0.8.0
+	* 'copyDirRecursiveOverwrite', 'copyFileOverwrite', 'easyCopyOverwrite' and 'moveFileOverwrite' have been removed, instead use the versions without the *Overwrite suffix and pass in 'Strict' (for default behavior) or 'Overwrite' as the CopyMode argument
+	* introduced a new 'RecursiveErrorMode' type to allow controlling recursive behavior of 'copyDirRecursive' (use 'FailEarly' for default behavior)
+	* 'createRegularFile' and 'createDir' now take FileMode as a parameter (also see 'newFilePerms' and 'newDirPerms')
+	* various documentation fixes
+	* improved reliability of tests
+0.7.5:
+	* relicense to BSD3
+0.7.3:
+	* don't expose HPath.Internal
+0.7.2:
+	* fix tests, so they work with the sdist tarball too
+	* added the following function to HPath.IO: createSymlink
+0.7.1:
+	* various cleanups and documentation improvements
+	* added the following functions to System.Posix.FilePath: splitSearchPath, getSearchPath, stripExtension, makeRelative, makeValid
+0.7.0:
+	* use 'sendfile' from 'simple-sendfile' in _copyFile and do read/write as a fallback only
+	* add isFileName, hasParentDir, hiddenFile to System.Posix.FilePath
+	* add our own openFd version for more control
+	* small documentation improvements
+	* add a getDirectoryContents' version that works on Fd
+	* lift version constraints in benchmark
+	* remove fpToString and userStringToFP, use Data.ByteString.UTF8 directly instead
 0.6.0:
 	* fixes 'throwDestinationInSource' to be more reliable.
 	* removes some unused HPathIOException constructors

LICENSE

@@ -1,340 +1,30 @@
-             GNU GENERAL PUBLIC LICENSE
-                Version 2, June 1991
+Copyright (c) Julian Ospald
 
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
+All rights reserved.
 
-                     Preamble
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
 
-  The licenses for most software are designed to take away your
-freedom to share and change it.  By contrast, the GNU General Public
-License is intended to guarantee your freedom to share and change free
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-General Public License applies to most of the Free Software
-Foundation's software and to any other program whose authors commit to
-using it.  (Some other Free Software Foundation software is covered by
-the GNU Lesser General Public License instead.)  You can apply it to
-your programs, too.
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
 
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-this service if you wish), that you receive source code or can get it
-if you want it, that you can change the software or use pieces of it
-in new free programs; and that you know you can do these things.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
 
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README.md

@@ -1,6 +1,6 @@
 # HPath
 
-[![Build Status](https://api.travis-ci.org/hasufell/hpath.png?branch=master)](http://travis-ci.org/hasufell/hpath)
+[![Gitter chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/hasufell/hpath?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Hackage version](https://img.shields.io/hackage/v/hpath.svg?label=Hackage)](https://hackage.haskell.org/package/hpath) [![Build Status](https://api.travis-ci.org/hasufell/hpath.png?branch=master)](http://travis-ci.org/hasufell/hpath)
 
 Support for well-typed paths in Haskell. Also provides ByteString based filepath
 manipulation.
@@ -28,6 +28,8 @@ so it is forked as well and merged into this library.
 * safe filepath manipulation, never using String as filepath, but ByteString
 * still allowing sufficient control to interact with the underlying low-level calls
 
+Note: this library was written for __posix__ systems and it will probably not support other systems.
+
 ## Differences to 'path'
 
 * doesn't attempt to fake IO-related information into the path, so whether a path points to a file or directory is up to your IO-code to decide...
@@ -43,9 +45,43 @@ so it is forked as well and merged into this library.
 
 ## Differences to 'posix-paths'
 
-* `hasTrailingPathSeparator` behaves in the same way as `System.FilePath`
-* `dropTrailingPathSeparator` behaves in the same way as `System.FilePath`
-* added various functions like `isValid`, `normalise` and `equalFilePath`
 * uses the `word8` package for save word8 literals instead of `OverloadedStrings`
-* has custom versions of `openFd` and `getDirectoryContents`
+* `hasTrailingPathSeparator` and `dropTrailingPathSeparator` behave in the same way as their `System.FilePath` counterpart
+* added various functions:
+    * `equalFilePath`
+    * `getSearchPath`
+    * `hasParentDir`
+    * `hiddenFile`
+    * `isFileName`
+    * `isValid`
+    * `makeRelative`
+    * `makeValid`
+    * `normalise`
+    * `splitSearchPath`
+    * `stripExtension`
+* has a custom versions of `openFd` which allows more control over the flags than its unix package counterpart
+* adds a `getDirectoryContents'` version that works on Fd
+
+## Examples in ghci
+
+Start ghci via `cabal repl`:
+
+```hs
+-- enable OverloadedStrings
+:set -XOverloadedStrings
+-- import HPath.IO
+import HPath.IO
+-- parse an absolute path
+abspath <- parseAbs "/home"
+-- parse a relative path (e.g. user users home directory)
+relpath <- parseRel "jule"
+-- concatenate paths
+let newpath = abspath </> relpath
+-- get file type
+getFileType newpath
+-- return all contents of that directory
+getDirsFiles newpath
+-- return all contents of the parent directory
+getDirsFiles (dirname newpath)
+```
 

benchmarks/Bench.hs

@@ -1,90 +0,0 @@
-{-# LANGUAGE ForeignFunctionInterface #-}
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TupleSections #-}
-{-# LANGUAGE ViewPatterns #-}
-
-{-# OPTIONS_GHC -Wall #-}
-import Control.Applicative
-import Control.Monad
-import System.Directory
-import System.FilePath ((</>))
-import System.Posix.ByteString.FilePath
-import System.Posix.Directory.ByteString as PosixBS
-import System.Posix.Directory.Traversals
-import qualified System.Posix.FilePath as PosixBS
-import System.Posix.Files.ByteString
-
-import Control.Exception
-import qualified Data.ByteString.Char8 as BS
-
-import System.Environment (getArgs, withArgs)
-import System.IO.Error
-import System.IO.Unsafe
-import System.Process (system)
-import Criterion.Main
-
-
--- | Based on code from 'Real World Haskell', at
--- http://book.realworldhaskell.org/read/io-case-study-a-library-for-searching-the-filesystem.html#id620419
-listFilesRecursive :: FilePath -> IO [FilePath]
-listFilesRecursive topdir = do
-    names <- System.Directory.getDirectoryContents topdir
-    let properNames = filter (`notElem` [".", ".."]) names
-    paths <- forM properNames $ \name -> do
-        let path = topdir </> name
-        isDir <- doesDirectoryExist path
-        if isDir
-            then listFilesRecursive path
-            else return [path]
-    return (topdir : concat paths)
-
-----------------------------------------------------------
-
-getDirectoryContentsBS :: RawFilePath -> IO [RawFilePath]
-getDirectoryContentsBS path = 
-  modifyIOError ((`ioeSetFileName` (BS.unpack path)) .
-                 (`ioeSetLocation` "getDirectoryContentsBS")) $ do
-    bracket
-      (PosixBS.openDirStream path)
-      PosixBS.closeDirStream
-      loop
- where
-  loop dirp = do
-     e <- PosixBS.readDirStream dirp
-     if BS.null e then return [] else do
-       es <- loop dirp
-       return (e:es)
-
-
--- | similar to 'listFilesRecursive, but uses RawFilePaths
-listFilesRecursiveBS :: RawFilePath -> IO [RawFilePath]
-listFilesRecursiveBS topdir = do
-    names <- getDirectoryContentsBS topdir
-    let properNames = filter (`notElem` [".", ".."]) names
-    paths <- forM properNames $ \name -> unsafeInterleaveIO $ do
-        let path = PosixBS.combine topdir name
-        isDir <- isDirectory <$> getFileStatus path
-        if isDir
-            then listFilesRecursiveBS path
-            else return [path]
-    return (topdir : concat paths)
-----------------------------------------------------------
-
-
-benchTraverse :: RawFilePath -> IO ()
-benchTraverse = traverseDirectory (\() p -> BS.putStrLn p) ()
-
-main :: IO ()
-main = do
-  args <- getArgs
-  let (d,otherArgs) = case args of
-          []   -> ("/usr/local",[])
-          x:xs -> (x,xs)
-  withArgs otherArgs $ defaultMain
-    [ bench "traverse (FilePath)"      $ nfIO $ listFilesRecursive d >>= mapM_ putStrLn
-    , bench "traverse (RawFilePath)"   $ nfIO $ listFilesRecursiveBS (BS.pack d) >>= mapM_ BS.putStrLn
-    , bench "allDirectoryContents"     $ nfIO $ allDirectoryContents (BS.pack d) >>= mapM_ BS.putStrLn
-    , bench "allDirectoryContents'"    $ nfIO $ allDirectoryContents' (BS.pack d) >>= mapM_ BS.putStrLn
-    , bench "traverseDirectory"        $ nfIO $ benchTraverse (BS.pack d)
-    , bench "unix find"                $ nfIO $ void $ system ("find " ++ d)
-    ]

hpath.cabal

@@ -1,8 +1,8 @@
 name:                hpath
-version:             0.6.0
+version:             0.8.0
 synopsis:            Support for well-typed paths
 description:         Support for well-typed paths, utilizing ByteString under the hood.
-license:             GPL-2
+license:             BSD3
 license-file:        LICENSE
 author:              Julian Ospald <hasufell@posteo.de>
 maintainer:          Julian Ospald <hasufell@posteo.de>
@@ -12,7 +12,6 @@ build-type:          Simple
 cabal-version:       >=1.14
 extra-source-files:  README.md
                      CHANGELOG
-                     benchmarks/*.hs
                      cbits/dirutils.h
                      doctests-hpath.hs
                      doctests-posix.hs
@@ -20,21 +19,26 @@ extra-source-files:  README.md
 library
   hs-source-dirs:    src/
   default-language:  Haskell2010
-  ghc-options:       -Wall
+  if impl(ghc >= 8.0)
+    ghc-options:       -Wall -Wno-redundant-constraints
+  else
+    ghc-options:       -Wall
   c-sources:         cbits/dirutils.c
   exposed-modules:   HPath,
                      HPath.IO,
                      HPath.IO.Errors,
                      HPath.IO.Utils,
-                     HPath.Internal,
                      System.Posix.Directory.Foreign,
                      System.Posix.Directory.Traversals,
+                     System.Posix.FD,
                      System.Posix.FilePath
+  other-modules:     HPath.Internal
   build-depends:     base >= 4.2 && <5
                    , bytestring >= 0.9.2.0
                    , deepseq
                    , exceptions
                    , hspec
+                   , simple-sendfile >= 0.2.24
                    , unix >= 2.5
                    , unix-bytestring
                    , utf8-string
@@ -71,22 +75,26 @@ test-suite spec
   Hs-Source-Dirs:       test
   Main-Is:              Main.hs
   other-modules:
-                        Spec
-                        HPath.IO.CopyDirRecursiveSpec
+                        HPath.IO.CanonicalizePathSpec
+                        HPath.IO.CopyDirRecursiveCollectFailuresSpec
                         HPath.IO.CopyDirRecursiveOverwriteSpec
-                        HPath.IO.CopyFileSpec
+                        HPath.IO.CopyDirRecursiveSpec
                         HPath.IO.CopyFileOverwriteSpec
+                        HPath.IO.CopyFileSpec
                         HPath.IO.CreateDirSpec
                         HPath.IO.CreateRegularFileSpec
+                        HPath.IO.CreateSymlinkSpec
                         HPath.IO.DeleteDirRecursiveSpec
                         HPath.IO.DeleteDirSpec
                         HPath.IO.DeleteFileSpec
                         HPath.IO.GetDirsFilesSpec
                         HPath.IO.GetFileTypeSpec
-                        HPath.IO.MoveFileSpec
                         HPath.IO.MoveFileOverwriteSpec
+                        HPath.IO.MoveFileSpec
+                        HPath.IO.RecreateSymlinkOverwriteSpec
                         HPath.IO.RecreateSymlinkSpec
                         HPath.IO.RenameFileSpec
+                        Spec
                         Utils
   GHC-Options:          -Wall
   Build-Depends:        base
@@ -96,25 +104,9 @@ test-suite spec
                       , hspec >= 1.3
                       , process
                       , unix
+                      , unix-bytestring
                       , utf8-string
 
-benchmark bench.hs
-  default-language: Haskell2010
-  type: exitcode-stdio-1.0
-  hs-source-dirs: benchmarks
-  main-is:        Bench.hs
-
-  build-depends:
-      base,
-      hpath,
-      bytestring,
-      unix,
-      directory  >= 1.1 && < 1.3,
-      filepath   >= 1.2 && < 1.4,
-      process    >= 1.0 && < 1.3,
-      criterion  >= 0.6 && < 0.9
-  ghc-options: -O2
-
 source-repository head
   type:     git
   location: https://github.com/hasufell/hpath

src/HPath.hs

@@ -24,6 +24,7 @@ module HPath
   ,Fn
   ,PathParseException
   ,PathException
+  ,RelC
   -- * PatternSynonyms/ViewPatterns
   ,pattern Path
    -- * Path Parsing
@@ -45,9 +46,6 @@ module HPath
   ,withAbsPath
   ,withRelPath
   ,withFnPath
-  -- * ByteString operations
-  ,fpToString
-  ,userStringToFP
   )
   where
 
@@ -57,10 +55,10 @@ import           Control.Monad.Catch (MonadThrow(..))
 import           Data.ByteString(ByteString, stripPrefix)
 #else
 import           Data.ByteString(ByteString)
+import qualified Data.List as L
 #endif
 import qualified Data.ByteString as BS
 import           Data.Data
-import qualified Data.List as L
 import           Data.Maybe
 import           Data.Word8
 import           HPath.Internal
@@ -92,12 +90,17 @@ data PathException = RootDirHasNoBasename
   deriving (Show,Typeable)
 instance Exception PathException
 
+class RelC m
+
 instance RelC Rel
 instance RelC Fn
 
 --------------------------------------------------------------------------------
 -- PatternSynonyms
 
+#if __GLASGOW_HASKELL__ >= 710
+pattern Path :: ByteString -> Path a
+#endif
 pattern Path x <- (MkPath x)
 
 --------------------------------------------------------------------------------
@@ -109,19 +112,19 @@ pattern Path x <- (MkPath x)
 --
 -- Throws: 'PathParseException'
 --
--- >>> parseAbs "/abc" :: Maybe (Path Abs)
+-- >>> parseAbs "/abc"          :: Maybe (Path Abs)
 -- Just "/abc"
--- >>> parseAbs "/" :: Maybe (Path Abs)
+-- >>> parseAbs "/"             :: Maybe (Path Abs)
 -- Just "/"
--- >>> parseAbs "/abc/def" :: Maybe (Path Abs)
+-- >>> parseAbs "/abc/def"      :: Maybe (Path Abs)
 -- Just "/abc/def"
 -- >>> parseAbs "/abc/def/.///" :: Maybe (Path Abs)
 -- Just "/abc/def/"
--- >>> parseAbs "abc" :: Maybe (Path Abs)
+-- >>> parseAbs "abc"           :: Maybe (Path Abs)
 -- Nothing
--- >>> parseAbs "" :: Maybe (Path Abs)
+-- >>> parseAbs ""              :: Maybe (Path Abs)
 -- Nothing
--- >>> parseAbs "/abc/../foo" :: Maybe (Path Abs)
+-- >>> parseAbs "/abc/../foo"   :: Maybe (Path Abs)
 -- Nothing
 parseAbs :: MonadThrow m
          => ByteString -> m (Path Abs)
@@ -141,23 +144,23 @@ parseAbs filepath =
 --
 -- Throws: 'PathParseException'
 --
--- >>> parseRel "abc" :: Maybe (Path Rel)
+-- >>> parseRel "abc"        :: Maybe (Path Rel)
 -- Just "abc"
--- >>> parseRel "def/" :: Maybe (Path Rel)
+-- >>> parseRel "def/"       :: Maybe (Path Rel)
 -- Just "def/"
--- >>> parseRel "abc/def" :: Maybe (Path Rel)
+-- >>> parseRel "abc/def"    :: Maybe (Path Rel)
 -- Just "abc/def"
--- >>> parseRel "abc/def/." :: Maybe (Path Rel)
+-- >>> parseRel "abc/def/."  :: Maybe (Path Rel)
 -- Just "abc/def/"
--- >>> parseRel "/abc" :: Maybe (Path Rel)
+-- >>> parseRel "/abc"       :: Maybe (Path Rel)
 -- Nothing
--- >>> parseRel "" :: Maybe (Path Rel)
+-- >>> parseRel ""           :: Maybe (Path Rel)
 -- Nothing
 -- >>> parseRel "abc/../foo" :: Maybe (Path Rel)
 -- Nothing
--- >>> parseRel "." :: Maybe (Path Rel)
+-- >>> parseRel "."          :: Maybe (Path Rel)
 -- Nothing
--- >>> parseRel ".." :: Maybe (Path Rel)
+-- >>> parseRel ".."         :: Maybe (Path Rel)
 -- Nothing
 parseRel :: MonadThrow m
          => ByteString -> m (Path Rel)
@@ -176,25 +179,25 @@ parseRel filepath =
 --
 -- Throws: 'PathParseException'
 --
--- >>> parseFn "abc" :: Maybe (Path Fn)
+-- >>> parseFn "abc"        :: Maybe (Path Fn)
 -- Just "abc"
--- >>> parseFn "..." :: Maybe (Path Fn)
+-- >>> parseFn "..."        :: Maybe (Path Fn)
 -- Just "..."
--- >>> parseFn "def/" :: Maybe (Path Fn)
+-- >>> parseFn "def/"       :: Maybe (Path Fn)
 -- Nothing
--- >>> parseFn "abc/def" :: Maybe (Path Fn)
+-- >>> parseFn "abc/def"    :: Maybe (Path Fn)
 -- Nothing
--- >>> parseFn "abc/def/." :: Maybe (Path Fn)
+-- >>> parseFn "abc/def/."  :: Maybe (Path Fn)
 -- Nothing
--- >>> parseFn "/abc" :: Maybe (Path Fn)
+-- >>> parseFn "/abc"       :: Maybe (Path Fn)
 -- Nothing
--- >>> parseFn "" :: Maybe (Path Fn)
+-- >>> parseFn ""           :: Maybe (Path Fn)
 -- Nothing
 -- >>> parseFn "abc/../foo" :: Maybe (Path Fn)
 -- Nothing
--- >>> parseFn "." :: Maybe (Path Fn)
+-- >>> parseFn "."          :: Maybe (Path Fn)
 -- Nothing
--- >>> parseFn ".." :: Maybe (Path Fn)
+-- >>> parseFn ".."         :: Maybe (Path Fn)
 -- Nothing
 parseFn :: MonadThrow m
         => ByteString -> m (Path Fn)
@@ -237,13 +240,13 @@ fromRel = toFilePath
 -- because this library is IO-agnostic and makes no assumptions about
 -- file types.
 --
--- >>> (MkPath "/") </> (MkPath "file" :: Path Rel)
+-- >>> (MkPath "/")        </> (MkPath "file"     :: Path Rel)
 -- "/file"
--- >>> (MkPath "/path/to") </> (MkPath "file" :: Path Rel)
+-- >>> (MkPath "/path/to") </> (MkPath "file"     :: Path Rel)
 -- "/path/to/file"
--- >>> (MkPath "/") </> (MkPath "file/lal" :: Path Rel)
+-- >>> (MkPath "/")        </> (MkPath "file/lal" :: Path Rel)
 -- "/file/lal"
--- >>> (MkPath "/") </> (MkPath "file/" :: Path Rel)
+-- >>> (MkPath "/")        </> (MkPath "file/"    :: Path Rel)
 -- "/file/"
 (</>) :: RelC r => Path b -> Path r -> Path b
 (</>) (MkPath a) (MkPath b) = MkPath (a' `BS.append` b)
@@ -257,15 +260,15 @@ fromRel = toFilePath
 --
 -- The bases must match.
 --
--- >>> (MkPath "/lal/lad") `stripDir` (MkPath "/lal/lad/fad") :: Maybe (Path Rel)
+-- >>> (MkPath "/lal/lad")     `stripDir` (MkPath "/lal/lad/fad") :: Maybe (Path Rel)
 -- Just "fad"
--- >>> (MkPath "lal/lad") `stripDir` (MkPath "lal/lad/fad") :: Maybe (Path Rel)
+-- >>> (MkPath "lal/lad")      `stripDir` (MkPath "lal/lad/fad")  :: Maybe (Path Rel)
 -- Just "fad"
--- >>> (MkPath "/") `stripDir` (MkPath "/") :: Maybe (Path Rel)
+-- >>> (MkPath "/")            `stripDir` (MkPath "/")            :: Maybe (Path Rel)
 -- Nothing
--- >>> (MkPath "/lal/lad/fad") `stripDir` (MkPath "/lal/lad") :: Maybe (Path Rel)
+-- >>> (MkPath "/lal/lad/fad") `stripDir` (MkPath "/lal/lad")     :: Maybe (Path Rel)
 -- Nothing
--- >>> (MkPath "fad") `stripDir` (MkPath "fad") :: Maybe (Path Rel)
+-- >>> (MkPath "fad")          `stripDir` (MkPath "fad")          :: Maybe (Path Rel)
 -- Nothing
 stripDir :: MonadThrow m
          => Path b -> Path b -> m (Path Rel)
@@ -281,15 +284,15 @@ stripDir (MkPath p) (MkPath l) =
 -- | Is p a parent of the given location? Implemented in terms of
 -- 'stripDir'. The bases must match.
 --
--- >>> (MkPath "/lal/lad") `isParentOf` (MkPath "/lal/lad/fad")
+-- >>> (MkPath "/lal/lad")     `isParentOf` (MkPath "/lal/lad/fad")
 -- True
--- >>> (MkPath "lal/lad") `isParentOf` (MkPath "lal/lad/fad")
+-- >>> (MkPath "lal/lad")      `isParentOf` (MkPath "lal/lad/fad")
 -- True
--- >>> (MkPath "/") `isParentOf` (MkPath "/")
+-- >>> (MkPath "/")            `isParentOf` (MkPath "/")
 -- False
 -- >>> (MkPath "/lal/lad/fad") `isParentOf` (MkPath "/lal/lad")
 -- False
--- >>> (MkPath "fad") `isParentOf` (MkPath "fad")
+-- >>> (MkPath "fad")          `isParentOf` (MkPath "fad")
 -- False
 isParentOf :: Path b -> Path b -> Bool
 isParentOf p l = isJust (stripDir p l :: Maybe (Path Rel))
@@ -333,7 +336,7 @@ dirname (MkPath fp) = MkPath (takeDirectory $ dropTrailingPathSeparator fp)
 --
 -- >>> basename (MkPath "/abc/def/dod") :: Maybe (Path Fn)
 -- Just "dod"
--- >>> basename (MkPath "/") :: Maybe (Path Fn)
+-- >>> basename (MkPath "/")            :: Maybe (Path Fn)
 -- Nothing
 basename :: MonadThrow m => Path b -> m (Path Fn)
 basename (MkPath l)

src/HPath/IO.hs

@@ -1,7 +1,7 @@
 -- |
 -- Module      :  HPath.IO
 -- Copyright   :  © 2016 Julian Ospald
--- License     :  GPL-2
+-- License     :  BSD3
 --
 -- Maintainer  :  Julian Ospald <hasufell@posteo.de>
 -- Stability   :  experimental
@@ -26,9 +26,9 @@
 -- exception handling is kept.
 --
 -- Note: `BlockDevice`, `CharacterDevice`, `NamedPipe` and `Socket`
--- are not explicitly supported right now. Calling any of these
--- functions on such a file may throw an exception or just do
--- nothing.
+-- are ignored by some of the more high-level functions (like `easyCopy`).
+-- For other functions (like `copyFile`), the behavior on these file types is
+-- unreliable/unsafe. Check the documentation of those functions for details.
 
 {-# LANGUAGE PackageImports #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -37,14 +37,13 @@ module HPath.IO
   (
   -- * Types
     FileType(..)
+  , RecursiveErrorMode(..)
+  , CopyMode(..)
   -- * File copying
   , copyDirRecursive
-  , copyDirRecursiveOverwrite
   , recreateSymlink
   , copyFile
-  , copyFileOverwrite
   , easyCopy
-  , easyCopyOverwrite
   -- * File deletion
   , deleteFile
   , deleteDir
@@ -56,10 +55,10 @@ module HPath.IO
   -- * File creation
   , createRegularFile
   , createDir
+  , createSymlink
   -- * File renaming/moving
   , renameFile
   , moveFile
-  , moveFileOverwrite
   -- * File permissions
   , newFilePerms
   , newDirPerms
@@ -79,13 +78,14 @@ import Control.Applicative
   )
 import Control.Exception
   (
-    bracket
-  , bracketOnError
+    IOException
+  , bracket
   , throwIO
   )
 import Control.Monad
   (
-    void
+    unless
+  , void
   , when
   )
 import Data.ByteString
@@ -96,6 +96,13 @@ import Data.Foldable
   (
     for_
   )
+import Data.IORef
+  (
+    IORef
+  , modifyIORef
+  , newIORef
+  , readIORef
+  )
 import Data.Maybe
   (
     catMaybes
@@ -107,6 +114,8 @@ import Data.Word
 import Foreign.C.Error
   (
     eEXIST
+  , eINVAL
+  , eNOSYS
   , eNOTEMPTY
   , eXDEV
   )
@@ -129,13 +138,17 @@ import GHC.IO.Exception
 import HPath
 import HPath.Internal
 import HPath.IO.Errors
-import HPath.IO.Utils
 import Prelude hiding (readFile)
 import System.IO.Error
   (
     catchIOError
   , ioeGetErrorType
   )
+import System.Linux.Sendfile
+  (
+    sendfileFd
+  , FileRange(..)
+  )
 import System.Posix.ByteString
   (
     exclusive
@@ -172,6 +185,10 @@ import System.Posix.Files.ByteString
 import qualified System.Posix.Files.ByteString as PF
 import qualified "unix" System.Posix.IO.ByteString as SPI
 import qualified "unix-bytestring" System.Posix.IO.ByteString as SPB
+import System.Posix.FD
+  (
+    openFd
+  )
 import qualified System.Posix.Directory.Traversals as SPDT
 import qualified System.Posix.Directory.Foreign as SPDF
 import qualified System.Posix.Process.ByteString as SPP
@@ -202,6 +219,26 @@ data FileType = Directory
 
 
 
+-- |The error mode for any recursive operation.
+--
+-- On `FailEarly` the whole operation fails immediately if any of the
+-- recursive sub-operations fail, which is sort of the default
+-- for IO operations.
+--
+-- On `CollectFailures` skips errors in the recursion and keeps on recursing.
+-- However all errors are collected in the `RecursiveFailure` error type,
+-- which is raised finally if there was any error.
+data RecursiveErrorMode = FailEarly
+                        | CollectFailures
+
+
+-- |The mode for copy and file moves.
+-- Overwrite mode is usually not very well defined, but is a convenience
+-- shortcut.
+data CopyMode = Strict    -- ^ fail if any target exists
+              | Overwrite -- ^ overwrite targets
+
+
 
 
     --------------------
@@ -210,8 +247,24 @@ data FileType = Directory
 
 
 
--- |Copies a directory recursively to the given destination.
--- Does not follow symbolic links.
+-- |Copies the contents of a directory recursively to the given destination.
+-- Does not follow symbolic links. This behaves more or less like:
+--
+-- @
+--   mkdir \/destination\/dir
+--   cp -R \/source\/dir\/* \/destination\/dir\/
+-- @
+--
+-- For directory contents, this will ignore any file type that is not
+-- `RegularFile`, `SymbolicLink` or `Directory`.
+--
+-- For `Overwrite` copy mode this does not prune destination directory
+-- contents, so the destination might contain more files than the source after
+-- the operation has completed. Permissions of existing directories are
+-- fixed.
+--
+-- Note that there is no guaranteed ordering of the exceptions
+-- contained within `RecursiveFailure` in `CollectFailures` RecursiveErrorMode.
 --
 -- Safety/reliability concerns:
 --
@@ -225,105 +278,123 @@ data FileType = Directory
 -- Throws:
 --
 --    - `NoSuchThing` if source directory does not exist
---    - `PermissionDenied` if output directory is not writable
 --    - `PermissionDenied` if source directory can't be opened
+--    - `SameFile` if source and destination are the same file
+--      (`HPathIOException`)
+--    - `DestinationInSource` if destination is contained in source
+--      (`HPathIOException`)
+--
+-- Throws in `FailEarly` RecursiveErrorMode only:
+--
+--    - `PermissionDenied` if output directory is not writable
 --    - `InvalidArgument` if source directory is wrong type (symlink)
---    - `InvalidArgument` if source directory is wrong type (regular file)
---    - `SameFile` if source and destination are the same file (`HPathIOException`)
+--    - `InappropriateType` if source directory is wrong type (regular file)
+--
+-- Throws in `CollectFailures` RecursiveErrorMode only:
+--
+--    - `RecursiveFailure` if any of the recursive operations that are not
+--      part of the top-directory sanity-checks fail (`HPathIOException`)
+--
+-- Throws in `Strict` CopyMode only:
+--
 --    - `AlreadyExists` if destination already exists
---    - `DestinationInSource` if destination is contained in source (`HPathIOException`)
-copyDirRecursive :: Path Abs  -- ^ source dir
-                 -> Path Abs  -- ^ full destination
+copyDirRecursive :: Path Abs  -- ^ copy contents of this source dir
+                 -> Path Abs  -- ^ to this full destination (parent dirs
+                              --   are not automatically created)
+                 -> CopyMode
+                 -> RecursiveErrorMode
                  -> IO ()
-copyDirRecursive fromp destdirp
+copyDirRecursive fromp destdirp cm rm
   = do
+    ce <- newIORef []
     -- for performance, sanity checks are only done for the top dir
     throwSameFile fromp destdirp
     throwDestinationInSource fromp destdirp
-    go fromp destdirp
+    go ce fromp destdirp
+    collectedExceptions <- readIORef ce
+    unless (null collectedExceptions)
+           (throwIO . RecursiveFailure $ collectedExceptions)
   where
-    go :: Path Abs -> Path Abs -> IO ()
-    go fromp' destdirp' = do
+    go :: IORef [IOException] -> Path Abs -> Path Abs -> IO ()
+    go ce fromp' destdirp' = do
+
       -- order is important here, so we don't get empty directories
       -- on failure
-      contents <- getDirsFiles fromp'
+      contents <- handleIOE ce [] $ do
+        contents <- getDirsFiles fromp'
 
-      fmode' <- PF.fileMode <$> PF.getSymbolicLinkStatus (fromAbs fromp')
-      createDirectory (fromAbs destdirp') fmode'
+        fmode' <- PF.fileMode <$> PF.getSymbolicLinkStatus (fromAbs fromp')
+        case cm of
+          Strict    -> createDirectory (fromAbs destdirp') fmode'
+          Overwrite -> catchIOError (createDirectory (fromAbs destdirp')
+                                                     fmode')
+                         $ \e ->
+                           case ioeGetErrorType e of
+                             AlreadyExists -> setFileMode (fromAbs destdirp')
+                                                          fmode'
+                             _             -> ioError e
+        return contents
 
+      -- we can't use `easyCopy` here, because we want to call `go`
+      -- recursively to skip the top-level sanity checks
       for_ contents $ \f -> do
         ftype <- getFileType f
         newdest <- (destdirp' </>) <$> basename f
         case ftype of
-          SymbolicLink -> recreateSymlink f newdest
-          Directory    -> go f newdest
-          RegularFile  -> copyFile f newdest
+          SymbolicLink -> handleIOE ce ()
+                            $ recreateSymlink f newdest cm
+          Directory    -> go ce f newdest
+          RegularFile  -> handleIOE ce () $ copyFile f newdest cm
           _            -> return ()
+    handleIOE :: IORef [IOException] -> a -> IO a -> IO a
+    handleIOE ce def = case rm of
+      FailEarly -> handleIOError throwIO
+      CollectFailures -> handleIOError (\e -> modifyIORef ce (e:)
+                                         >> return def)
 
 
--- |Like `copyDirRecursive` except it overwrites contents of directories
--- if any.
---
--- Throws:
---
---    - `NoSuchThing` if source directory does not exist
---    - `PermissionDenied` if output directory is not writable
---    - `PermissionDenied` if source directory can't be opened
---    - `InvalidArgument` if source directory is wrong type (symlink)
---    - `InvalidArgument` if source directory is wrong type (regular file)
---    - `SameFile` if source and destination are the same file (`HPathIOException`)
---    - `DestinationInSource` if destination is contained in source (`HPathIOException`)
-copyDirRecursiveOverwrite :: Path Abs  -- ^ source dir
-                          -> Path Abs  -- ^ full destination
-                          -> IO ()
-copyDirRecursiveOverwrite fromp destdirp
-  = do
-    -- for performance, sanity checks are only done for the top dir
-    throwSameFile fromp destdirp
-    throwDestinationInSource fromp destdirp
-    go fromp destdirp
-  where
-    go :: Path Abs -> Path Abs -> IO ()
-    go fromp' destdirp' = do
-      -- order is important here, so we don't get empty directories
-      -- on failure
-      contents <- getDirsFiles fromp'
-
-      fmode' <- PF.fileMode <$> PF.getSymbolicLinkStatus (fromAbs fromp')
-      catchIOError (createDirectory (fromAbs destdirp') fmode') $ \e ->
-        case ioeGetErrorType e of
-          AlreadyExists -> setFileMode (fromAbs destdirp') fmode'
-          _             -> ioError e
-
-      for_ contents $ \f -> do
-        ftype <- getFileType f
-        newdest <- (destdirp' </>) <$> basename f
-        case ftype of
-          SymbolicLink -> whenM (doesFileExist newdest) (deleteFile newdest)
-                          >> recreateSymlink f newdest
-          Directory    -> go f newdest
-          RegularFile  -> copyFileOverwrite f newdest
-          _            -> return ()
-
 -- |Recreate a symlink.
 --
+-- In `Overwrite` copy mode only files and empty directories are deleted.
+--
+-- Safety/reliability concerns:
+--
+--    * `Overwrite` mode is inherently non-atomic
+--
 -- Throws:
 --
---    - `InvalidArgument` if symlink file is wrong type (file)
---    - `InvalidArgument` if symlink file is wrong type (directory)
+--    - `InvalidArgument` if source file is wrong type (not a symlink)
 --    - `PermissionDenied` if output directory cannot be written to
 --    - `PermissionDenied` if source directory cannot be opened
+--    - `SameFile` if source and destination are the same file
+--      (`HPathIOException`)
+--
+--
+-- Throws in `Strict` mode only:
+--
 --    - `AlreadyExists` if destination file already exists
---    - `SameFile` if source and destination are the same file (`HPathIOException`)
+--
+-- Throws in `Overwrite` mode only:
+--
+--    - `UnsatisfiedConstraints` if destination file is non-empty directory
 --
 -- Note: calls `symlink`
 recreateSymlink :: Path Abs  -- ^ the old symlink file
                 -> Path Abs  -- ^ destination file
+                -> CopyMode
                 -> IO ()
-recreateSymlink symsource newsym
+recreateSymlink symsource newsym cm
   = do
     throwSameFile symsource newsym
     sympoint <- readSymbolicLink (fromAbs symsource)
+    case cm of
+      Strict -> return ()
+      Overwrite -> do
+        writable <- isWritable (dirname newsym)
+        isfile   <- doesFileExist newsym
+        isdir    <- doesDirectoryExist newsym
+        when (writable && isfile) (deleteFile newsym)
+        when (writable && isdir)  (deleteDir newsym)
     createSymbolicLink sympoint (fromAbs newsym)
 
 
@@ -331,64 +402,62 @@ recreateSymlink symsource newsym
 -- Neither follows symbolic links, nor accepts them.
 -- For "copying" symbolic links, use `recreateSymlink` instead.
 --
--- Throws:
+-- Note that this is still sort of a low-level function and doesn't
+-- examine file types. For a more high-level version, use `easyCopy`
+-- instead.
 --
---    - `NoSuchThing` if source file does not exist
---    - `PermissionDenied` if output directory is not writable
---    - `PermissionDenied` if source directory can't be opened
---    - `InvalidArgument` if source file is wrong type (symlink)
---    - `InvalidArgument` if source file is wrong type (directory)
---    - `SameFile` if source and destination are the same file (`HPathIOException`)
---    - `AlreadyExists` if destination already exists
---
--- Note: calls `sendfile`
-copyFile :: Path Abs  -- ^ source file
-         -> Path Abs  -- ^ destination file
-         -> IO ()
-copyFile from to = do
-  throwSameFile from to
-  _copyFile [SPDF.oNofollow]
-            [SPDF.oNofollow, SPDF.oExcl]
-            from to
-
-
--- |Like `copyFile` except it overwrites the destination if it already
--- exists.
--- This also works if source and destination are the same file.
+-- In `Overwrite` copy mode only overwrites actual files, not directories.
 --
 -- Safety/reliability concerns:
 --
---    * not atomic
---    * falls back to delete-copy method with explicit checks
+--    * `Overwrite` mode is not atomic
+--    * when used on `CharacterDevice`, reads the "contents" and copies
+--      them to a regular file, which might take indefinitely
+--    * when used on `BlockDevice`, may either read the "contents"
+--      and copy them to a regular file (potentially hanging indefinitely)
+--      or may create a regular empty destination file
+--    * when used on `NamedPipe`, will hang indefinitely
 --
 -- Throws:
 --
 --    - `NoSuchThing` if source file does not exist
+--    - `NoSuchThing` if source file is a a `Socket`
 --    - `PermissionDenied` if output directory is not writable
 --    - `PermissionDenied` if source directory can't be opened
---    - `InvalidArgument` if source file is wrong type (symlink)
---    - `InvalidArgument` if source file is wrong type (directory)
---    - `SameFile` if source and destination are the same file (`HPathIOException`)
+--    - `InvalidArgument` if source file is wrong type (symlink or directory)
+--    - `SameFile` if source and destination are the same file
+--      (`HPathIOException`)
 --
--- Note: calls `sendfile`
-copyFileOverwrite :: Path Abs  -- ^ source file
-                  -> Path Abs  -- ^ destination file
-                  -> IO ()
-copyFileOverwrite from to = do
+-- Throws in `Strict` mode only:
+--
+--    - `AlreadyExists` if destination already exists
+--
+-- Note: calls `sendfile` and possibly `read`/`write` as fallback
+copyFile :: Path Abs  -- ^ source file
+         -> Path Abs  -- ^ destination file
+         -> CopyMode
+         -> IO ()
+copyFile from to cm = do
   throwSameFile from to
-  catchIOError (_copyFile [SPDF.oNofollow]
-                          [SPDF.oNofollow, SPDF.oTrunc]
-                          from to) $ \e ->
-    case ioeGetErrorType e of
-      -- if the destination file is not writable, we need to
-      -- figure out if we can still copy by deleting it first
-      PermissionDenied -> do
-        exists   <- doesFileExist to
-        writable <- isWritable (dirname to)
-        if exists && writable
-          then deleteFile to >> copyFile from to
-          else ioError e
-      _ -> ioError e
+  
+  case cm of
+    Strict -> _copyFile [SPDF.oNofollow]
+                        [SPDF.oNofollow, SPDF.oExcl]
+                        from to
+    Overwrite -> 
+      catchIOError (_copyFile [SPDF.oNofollow]
+                              [SPDF.oNofollow, SPDF.oTrunc]
+                              from to) $ \e ->
+        case ioeGetErrorType e of
+          -- if the destination file is not writable, we need to
+          -- figure out if we can still copy by deleting it first
+          PermissionDenied -> do
+            exists   <- doesFileExist to
+            writable <- isWritable (dirname to)
+            if exists && writable
+              then deleteFile to >> copyFile from to Strict
+              else ioError e
+          _ -> ioError e
 
 
 _copyFile :: [SPDF.Flags]
@@ -398,24 +467,35 @@ _copyFile :: [SPDF.Flags]
           -> IO ()
 _copyFile sflags dflags from to
   =
-  -- TODO: add sendfile support
-  void $ readWriteCopy (fromAbs from) (fromAbs to)
+    -- from sendfile(2) manpage:
+    --   Applications  may  wish  to  fall back to read(2)/write(2) in
+    --   the case where sendfile() fails with EINVAL or ENOSYS.
+    withAbsPath to $ \to' -> withAbsPath from $ \from' ->
+      catchErrno [eINVAL, eNOSYS]
+                 (sendFileCopy from' to')
+                 (void $ readWriteCopy from' to')
   where
-    -- low-level copy operation utilizing read(2)/write(2)
-    -- in case `sendFileCopy` fails/is unsupported
-    readWriteCopy :: ByteString -> ByteString -> IO Int
-    readWriteCopy source dest =
-      bracket (SPDT.openFd source SPI.ReadOnly sflags Nothing)
+    copyWith copyAction source dest =
+      bracket (openFd source SPI.ReadOnly sflags Nothing)
               SPI.closeFd
               $ \sfd -> do
                 fileM <- System.Posix.Files.ByteString.fileMode
                          <$> getFdStatus sfd
-                bracketeer (SPDT.openFd dest SPI.WriteOnly
+                bracketeer (openFd dest SPI.WriteOnly
                              dflags $ Just fileM)
                            SPI.closeFd
                            (\fd -> SPI.closeFd fd >> deleteFile to)
-                            $ \dfd -> allocaBytes (fromIntegral bufSize) $ \buf ->
-                                        write' sfd dfd buf 0
+                           $ \dfd -> copyAction sfd dfd
+    -- this is low-level stuff utilizing sendfile(2) for speed
+    sendFileCopy :: ByteString -> ByteString -> IO ()
+    sendFileCopy = copyWith
+      (\sfd dfd -> sendfileFd dfd sfd EntireFile $ return ())
+    -- low-level copy operation utilizing read(2)/write(2)
+    -- in case `sendFileCopy` fails/is unsupported
+    readWriteCopy :: ByteString -> ByteString -> IO Int
+    readWriteCopy = copyWith
+      (\sfd dfd -> allocaBytes (fromIntegral bufSize)
+                     $ \buf -> write' sfd dfd buf 0)
       where
         bufSize :: CSize
         bufSize = 8192
@@ -425,12 +505,14 @@ _copyFile sflags dflags from to
             if size == 0
               then return $ fromIntegral totalsize
               else do rsize <- SPB.fdWriteBuf dfd buf size
-                      when (rsize /= size) (throwIO . CopyFailed $ "wrong size!")
+                      when (rsize /= size) (throwIO . CopyFailed
+                                            $ "wrong size!")
                       write' sfd dfd buf (totalsize + fromIntegral size)
 
 
--- |Copies anything. In case of a symlink,
--- it is just recreated, even if it points to a directory.
+-- |Copies a regular file, directory or symbolic link. In case of a
+-- symbolic link it is just recreated, even if it points to a directory.
+-- Any other file type is ignored.
 --
 -- Safety/reliability concerns:
 --
@@ -438,33 +520,18 @@ _copyFile sflags dflags from to
 --    * calls `copyDirRecursive` for directories
 easyCopy :: Path Abs
          -> Path Abs
+         -> CopyMode
+         -> RecursiveErrorMode
          -> IO ()
-easyCopy from to = do
+easyCopy from to cm rm = do
   ftype <- getFileType from
   case ftype of
-       SymbolicLink -> recreateSymlink from to
-       RegularFile  -> copyFile from to
-       Directory    -> copyDirRecursive from to
+       SymbolicLink -> recreateSymlink from to cm
+       RegularFile  -> copyFile from to cm
+       Directory    -> copyDirRecursive from to cm rm
        _            -> return ()
 
 
--- |Like `easyCopy` except it overwrites the destination if it already exists.
--- For directories, this overwrites contents without pruning them, so the resulting
--- directory may have more files than have been copied.
-easyCopyOverwrite :: Path Abs
-                  -> Path Abs
-                  -> IO ()
-easyCopyOverwrite from to = do
-  ftype <- getFileType from
-  case ftype of
-       SymbolicLink -> whenM (doesFileExist to) (deleteFile to)
-                       >> recreateSymlink from to
-       RegularFile  -> copyFileOverwrite from to
-       Directory    -> copyDirRecursiveOverwrite from to
-       _            -> return ()
-
-
-
 
 
 
@@ -473,7 +540,7 @@ easyCopyOverwrite from to = do
     ---------------------
 
 
--- |Deletes the given file, does not follow symlinks. Raises `eISDIR`
+-- |Deletes the given file. Raises `eISDIR`
 -- if run on a directory. Does not follow symbolic links.
 --
 -- Throws:
@@ -504,6 +571,10 @@ deleteDir p = withAbsPath p removeDirectory
 -- links. Tries `deleteDir` first before attemtping a recursive
 -- deletion.
 --
+-- On directory contents this behaves like `easyDelete`
+-- and thus will ignore any file type that is not `RegularFile`,
+-- `SymbolicLink` or `Directory`.
+--
 -- Safety/reliability concerns:
 --
 --    * not atomic
@@ -531,9 +602,10 @@ deleteDirRecursive p =
       removeDirectory . toFilePath $ p
 
 
--- |Deletes a file, directory or symlink, whatever it may be.
+-- |Deletes a file, directory or symlink.
 -- In case of directory, performs recursive deletion. In case of
 -- a symlink, the symlink file is deleted.
+-- Any other file type is ignored.
 --
 -- Safety/reliability concerns:
 --
@@ -582,15 +654,16 @@ executeFile fp args
     ---------------------
 
 
--- |Create an empty regular file at the given directory with the given filename.
+-- |Create an empty regular file at the given directory with the given
+-- filename.
 --
 -- Throws:
 --
 --    - `PermissionDenied` if output directory cannot be written to
 --    - `AlreadyExists` if destination file already exists
-createRegularFile :: Path Abs -> IO ()
-createRegularFile dest =
-  bracket (SPI.openFd (fromAbs dest) SPI.WriteOnly (Just newFilePerms)
+createRegularFile :: FileMode -> Path Abs -> IO ()
+createRegularFile fm dest =
+  bracket (SPI.openFd (fromAbs dest) SPI.WriteOnly (Just fm)
                       (SPI.defaultFileFlags { exclusive = True }))
           SPI.closeFd
           (\_ -> return ())
@@ -602,10 +675,24 @@ createRegularFile dest =
 --
 --    - `PermissionDenied` if output directory cannot be written to
 --    - `AlreadyExists` if destination directory already exists
-createDir :: Path Abs -> IO ()
-createDir dest = createDirectory (fromAbs dest) newDirPerms
+createDir :: FileMode -> Path Abs -> IO ()
+createDir fm dest = createDirectory (fromAbs dest) fm
 
 
+-- |Create a symlink.
+--
+-- Throws:
+--
+--    - `PermissionDenied` if output directory cannot be written to
+--    - `AlreadyExists` if destination file already exists
+--
+-- Note: calls `symlink`
+createSymlink :: Path Abs   -- ^ destination file
+              -> ByteString -- ^ path the symlink points to
+              -> IO ()
+createSymlink dest sympoint
+  = createSymbolicLink sympoint (fromAbs dest)
+
 
 
     ----------------------------
@@ -627,10 +714,14 @@ createDir dest = createDirectory (fromAbs dest) newDirPerms
 --     - `NoSuchThing` if source file does not exist
 --     - `PermissionDenied` if output directory cannot be written to
 --     - `PermissionDenied` if source directory cannot be opened
---     - `UnsupportedOperation` if source and destination are on different devices
+--     - `UnsupportedOperation` if source and destination are on different
+--       devices
 --     - `FileDoesExist` if destination file already exists
+--       (`HPathIOException`)
 --     - `DirDoesExist` if destination directory already exists
---     - `SameFile` if destination and source are the same file (`HPathIOException`)
+--       (`HPathIOException`)
+--     - `SameFile` if destination and source are the same file
+--       (`HPathIOException`)
 --
 -- Note: calls `rename` (but does not allow to rename over existing files)
 renameFile :: Path Abs -> Path Abs -> IO ()
@@ -646,66 +737,59 @@ renameFile fromf tof = do
 --
 -- Does not follow symbolic links, but renames the symbolic link file.
 --
+--
 -- Safety/reliability concerns:
 --
+--    * `Overwrite` mode is not atomic
 --    * copy-delete fallback is inherently non-atomic
+--    * since this function calls `easyCopy` and `easyDelete` as a fallback
+--      to `renameFile`, file types that are not `RegularFile`, `SymbolicLink`
+--      or `Directory` may be ignored
+--    * for `Overwrite` mode, the destination will be deleted (not recursively)
+--      before moving
 --
 -- Throws:
 --
 --     - `NoSuchThing` if source file does not exist
 --     - `PermissionDenied` if output directory cannot be written to
 --     - `PermissionDenied` if source directory cannot be opened
---     - `FileDoesExist` if destination file already exists
---     - `DirDoesExist` if destination directory already exists
---     - `SameFile` if destination and source are the same file (`HPathIOException`)
+--     - `SameFile` if destination and source are the same file
+--       (`HPathIOException`)
+--
+-- Throws in `Strict` mode only:
+--
+--    - `FileDoesExist` if destination file already exists (`HPathIOException`)
+--    - `DirDoesExist` if destination directory already exists
+--      (`HPathIOException`)
 --
 -- Note: calls `rename` (but does not allow to rename over existing files)
 moveFile :: Path Abs  -- ^ file to move
          -> Path Abs  -- ^ destination
+         -> CopyMode
          -> IO ()
-moveFile from to = do
+moveFile from to cm = do
   throwSameFile from to
-  catchErrno [eXDEV] (renameFile from to) $ do
-    easyCopy from to
-    easyDelete from
+  case cm of
+    Strict -> catchErrno [eXDEV] (renameFile from to) $ do
+                easyCopy from to Strict FailEarly
+                easyDelete from
+    Overwrite -> do
+      ft <- getFileType from
+      writable <- isWritable $ dirname to
+      case ft of
+        RegularFile -> do
+          exists <- doesFileExist to
+          when (exists && writable) (deleteFile to)
+        SymbolicLink -> do
+          exists <- doesFileExist to
+          when (exists && writable) (deleteFile to)
+        Directory -> do
+          exists <- doesDirectoryExist to
+          when (exists && writable) (deleteDir to)
+        _ -> return ()
+      moveFile from to Strict
 
 
--- |Like `moveFile`, but overwrites the destination if it exists.
---
--- Does not follow symbolic links, but renames the symbolic link file.
---
--- Safety/reliability concerns:
---
---    * copy-delete fallback is inherently non-atomic
---    * checks for file types and destination file existence explicitly
---
--- Throws:
---
---     - `NoSuchThing` if source file does not exist
---     - `PermissionDenied` if output directory cannot be written to
---     - `PermissionDenied` if source directory cannot be opened
---     - `SameFile` if destination and source are the same file (`HPathIOException`)
---
--- Note: calls `rename` (but does not allow to rename over existing files)
-moveFileOverwrite :: Path Abs  -- ^ file to move
-                  -> Path Abs  -- ^ destination
-                  -> IO ()
-moveFileOverwrite from to = do
-  throwSameFile from to
-  ft <- getFileType from
-  writable <- isWritable $ dirname to
-  case ft of
-    RegularFile -> do
-      exists <- doesFileExist to
-      when (exists && writable) (deleteFile to)
-    SymbolicLink -> do
-      exists <- doesFileExist to
-      when (exists && writable) (deleteFile to)
-    Directory -> do
-      exists <- doesDirectoryExist to
-      when (exists && writable) (deleteDir to)
-    _ -> return ()
-  moveFile from to
 
 
 
@@ -745,6 +829,8 @@ newDirPerms
 -- |Gets all filenames of the given directory. This excludes "." and "..".
 -- This version does not follow symbolic links.
 --
+-- The contents are not sorted and there is no guarantee on the ordering.
+--
 -- Throws:
 --
 --     - `NoSuchThing` if directory does not exist
@@ -755,14 +841,12 @@ newDirPerms
 getDirsFiles :: Path Abs        -- ^ dir to read
              -> IO [Path Abs]
 getDirsFiles p =
-  withAbsPath p $ \fp ->
-    bracketOnError (SPDT.openFd fp SPI.ReadOnly [SPDF.oNofollow] Nothing)
-            SPI.closeFd
-            $ \fd ->
-              return
-                . catMaybes
-                .   fmap (\x -> (</>) p <$> (parseMaybe . snd $ x))
-                =<< getDirectoryContents' fd
+  withAbsPath p $ \fp -> do
+    fd <- openFd fp SPI.ReadOnly [SPDF.oNofollow] Nothing
+    return
+      . catMaybes
+      .   fmap (\x -> (</>) p <$> (parseMaybe . snd $ x))
+      =<< getDirectoryContents' fd
   where
     parseMaybe :: ByteString -> Maybe (Path Fn)
     parseMaybe = parseFn

src/HPath/IO/Errors.hs

@@ -1,7 +1,7 @@
 -- |
 -- Module      :  HPath.IO.Errors
 -- Copyright   :  © 2016 Julian Ospald
--- License     :  GPL-2
+-- License     :  BSD3
 --
 -- Maintainer  :  Julian Ospald <hasufell@posteo.de>
 -- Stability   :  experimental
@@ -27,6 +27,7 @@ module HPath.IO.Errors
   , isInvalidOperation
   , isCan'tOpenDirectory
   , isCopyFailed
+  , isRecursiveFailure
 
   -- * Path based functions
   , throwFileDoesExist
@@ -66,9 +67,9 @@ import Data.ByteString
   (
     ByteString
   )
-import Data.Data
+import Data.ByteString.UTF8
   (
-    Data(..)
+    toString
   )
 import Data.Typeable
 import Foreign.C.Error
@@ -110,25 +111,42 @@ data HPathIOException = FileDoesNotExist ByteString
                       | InvalidOperation String
                       | Can'tOpenDirectory ByteString
                       | CopyFailed String
-  deriving (Typeable, Eq, Data)
+                      | RecursiveFailure [IOException]
+  deriving (Typeable, Eq)
 
 
 instance Show HPathIOException where
-  show (FileDoesNotExist fp) = "File does not exist:" ++ fpToString fp
+  show (FileDoesNotExist fp) = "File does not exist:" ++ toString fp
   show (DirDoesNotExist fp) = "Directory does not exist: "
-                              ++ fpToString fp
-  show (SameFile fp1 fp2) = fpToString fp1
-                            ++ " and " ++ fpToString fp2
+                              ++ toString fp
+  show (SameFile fp1 fp2) = toString fp1
+                            ++ " and " ++ toString fp2
                             ++ " are the same file!"
-  show (DestinationInSource fp1 fp2) = fpToString fp1
+  show (DestinationInSource fp1 fp2) = toString fp1
                                        ++ " is contained in "
-                                       ++ fpToString fp2
-  show (FileDoesExist fp) = "File does exist: " ++ fpToString fp
-  show (DirDoesExist fp) = "Directory does exist: " ++ fpToString fp
+                                       ++ toString fp2
+  show (FileDoesExist fp) = "File does exist: " ++ toString fp
+  show (DirDoesExist fp) = "Directory does exist: " ++ toString fp
   show (InvalidOperation str) = "Invalid operation: " ++ str
   show (Can'tOpenDirectory fp) = "Can't open directory: "
-                                 ++ fpToString fp
+                                 ++ toString fp
   show (CopyFailed str) = "Copying failed: " ++ str
+  show (RecursiveFailure exs) = "Recursive operation failed: "
+    ++ show exs
+
+
+toConstr :: HPathIOException -> String
+toConstr FileDoesNotExist {} = "FileDoesNotExist"
+toConstr DirDoesNotExist {} = "DirDoesNotExist"
+toConstr SameFile {} = "SameFile"
+toConstr DestinationInSource {} = "DestinationInSource"
+toConstr FileDoesExist {} = "FileDoesExist"
+toConstr DirDoesExist {} = "DirDoesExist"
+toConstr InvalidOperation {} = "InvalidOperation"
+toConstr Can'tOpenDirectory {} = "Can'tOpenDirectory"
+toConstr CopyFailed {} = "CopyFailed"
+toConstr RecursiveFailure {} = "RecursiveFailure"
+
 
 
 
@@ -142,7 +160,7 @@ instance Exception HPathIOException
     --[ Exception identifiers ]--
     -----------------------------
 
-isFileDoesNotExist, isDirDoesNotExist, isSameFile, isDestinationInSource, isFileDoesExist, isDirDoesExist, isInvalidOperation, isCan'tOpenDirectory, isCopyFailed :: HPathIOException -> Bool
+isFileDoesNotExist, isDirDoesNotExist, isSameFile, isDestinationInSource, isFileDoesExist, isDirDoesExist, isInvalidOperation, isCan'tOpenDirectory, isCopyFailed, isRecursiveFailure :: HPathIOException -> Bool
 isFileDoesNotExist ex = toConstr (ex :: HPathIOException) == toConstr FileDoesNotExist{}
 isDirDoesNotExist ex = toConstr (ex :: HPathIOException) == toConstr DirDoesNotExist{}
 isSameFile ex = toConstr (ex :: HPathIOException) == toConstr SameFile{}
@@ -152,7 +170,7 @@ isDirDoesExist ex = toConstr (ex :: HPathIOException) == toConstr DirDoesExist{}
 isInvalidOperation ex = toConstr (ex :: HPathIOException) == toConstr InvalidOperation{}
 isCan'tOpenDirectory ex = toConstr (ex :: HPathIOException) == toConstr Can'tOpenDirectory{}
 isCopyFailed ex = toConstr (ex :: HPathIOException) == toConstr CopyFailed{}
-
+isRecursiveFailure ex = toConstr (ex :: HPathIOException) == toConstr RecursiveFailure{}
 
 
 
@@ -209,12 +227,13 @@ sameFile fp1 fp2 =
         else return False
 
 
+-- TODO: make this more robust when destination does not exist
 -- |Checks whether the destination directory is contained
 -- within the source directory by comparing the device+file ID of the
 -- source directory with all device+file IDs of the parent directories
 -- of the destination.
 throwDestinationInSource :: Path Abs -- ^ source dir
-                         -> Path Abs -- ^ full destination, `dirname dest`
+                         -> Path Abs -- ^ full destination, @dirname dest@
                                      --   must exist
                          -> IO ()
 throwDestinationInSource source dest = do
@@ -266,7 +285,7 @@ canOpenDirectory fp =
     return True
 
 
--- |Throws a `Can'tOpenDirectory` FmIOException if the directory at the given
+-- |Throws a `Can'tOpenDirectory` HPathIOException if the directory at the given
 -- path cannot be opened.
 throwCantOpenDirectory :: Path Abs -> IO ()
 throwCantOpenDirectory fp =
@@ -332,8 +351,8 @@ bracketeer before after afterEx thing =
 
 
 reactOnError :: IO a
-             -> [(IOErrorType, IO a)]   -- ^ reaction on IO errors
-             -> [(HPathIOException, IO a)] -- ^ reaction on FmIOException
+             -> [(IOErrorType, IO a)]      -- ^ reaction on IO errors
+             -> [(HPathIOException, IO a)] -- ^ reaction on HPathIOException
              -> IO a
 reactOnError a ios fmios =
   a `catches` [iohandler, fmiohandler]

src/HPath/IO/Utils.hs

@@ -1,7 +1,7 @@
 -- |
 -- Module      :  HPath.IO.Utils
 -- Copyright   :  © 2016 Julian Ospald
--- License     :  GPL-2
+-- License     :  BSD3
 --
 -- Maintainer  :  Julian Ospald <hasufell@posteo.de>
 -- Stability   :  experimental

src/HPath/Internal.hs

@@ -3,8 +3,7 @@
 -- | Internal types and functions.
 
 module HPath.Internal
-  (Path(..)
-  ,RelC)
+  (Path(..))
   where
 
 import Control.DeepSeq (NFData (..))
@@ -13,7 +12,7 @@ import Data.Data
 
 -- | Path of some base and type.
 --
--- Internally is a string. The string can be of two formats only:
+-- Internally is a ByteString. The ByteString can be of two formats only:
 --
 -- 1. without trailing path separator: @file.txt@, @foo\/bar.txt@, @\/foo\/bar.txt@
 -- 2. with trailing path separator: @foo\/@, @\/foo\/bar\/@
@@ -23,7 +22,7 @@ import Data.Data
 data Path b = MkPath ByteString
   deriving (Typeable)
 
--- | String equality.
+-- | ByteString equality.
 --
 -- The following property holds:
 --
@@ -31,7 +30,7 @@ data Path b = MkPath ByteString
 instance Eq (Path b) where
   (==) (MkPath x) (MkPath y) = x == y
 
--- | String ordering.
+-- | ByteString ordering.
 --
 -- The following property holds:
 --
@@ -39,7 +38,7 @@ instance Eq (Path b) where
 instance Ord (Path b) where
   compare (MkPath x) (MkPath y) = compare x y
 
--- | Same as 'Path.toFilePath'.
+-- | Same as 'HPath.toFilePath'.
 --
 -- The following property holds:
 --
@@ -50,6 +49,3 @@ instance Show (Path b) where
 instance NFData (Path b) where
   rnf (MkPath x) = rnf x
 
-
-class RelC m
-

src/System/Posix/Directory/Traversals.hs

@@ -1,9 +1,25 @@
+-- |
+-- Module      :  System.Posix.Directory.Traversals
+-- Copyright   :  © 2016 Julian Ospald
+-- License     :  BSD3
+--
+-- Maintainer  :  Julian Ospald <hasufell@posteo.de>
+-- Stability   :  experimental
+-- Portability :  portable
+--
+-- Traversal and read operations on directories.
+
+
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE ForeignFunctionInterface #-}
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE PackageImports #-}
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE ViewPatterns #-}
 
 {-# OPTIONS_GHC -Wall #-}
+
+
 module System.Posix.Directory.Traversals (
 
   getDirectoryContents
@@ -17,12 +33,15 @@ module System.Posix.Directory.Traversals (
 , readDirEnt
 , packDirStream
 , unpackDirStream
-, openFd
+, fdOpendir
 
 , realpath
 ) where
 
-import Control.Applicative
+
+#if __GLASGOW_HASKELL__ < 710
+import Control.Applicative ((<$>))
+#endif
 import Control.Monad
 import System.Posix.FilePath ((</>))
 import System.Posix.Directory.Foreign
@@ -36,6 +55,7 @@ import System.Posix.Directory.ByteString as PosixBS
 import System.Posix.Files.ByteString
 
 import System.IO.Unsafe
+import "unix" System.Posix.IO.ByteString (closeFd)
 import Unsafe.Coerce (unsafeCoerce)
 import Foreign.C.Error
 import Foreign.C.String
@@ -54,6 +74,8 @@ import Foreign.Storable
 -- Upon entering a directory, 'allDirectoryContents' will get all entries
 -- strictly.  However the returned list is lazy in that directories will only
 -- be accessed on demand.
+--
+-- Follows symbolic links for the input dir.
 allDirectoryContents :: RawFilePath -> IO [RawFilePath]
 allDirectoryContents topdir = do
     namesAndTypes <- getDirectoryContents topdir
@@ -71,6 +93,8 @@ allDirectoryContents topdir = do
     return (topdir : concat paths)
 
 -- | Get all files from a directory and its subdirectories strictly.
+--
+-- Follows symbolic links for the input dir.
 allDirectoryContents' :: RawFilePath -> IO [RawFilePath]
 allDirectoryContents' = fmap reverse . traverseDirectory (\acc fp -> return (fp:acc)) []
 -- this uses traverseDirectory because it's more efficient than forcing the
@@ -80,6 +104,8 @@ allDirectoryContents' = fmap reverse . traverseDirectory (\acc fp -> return (fp:
 -- files/subdirectories.
 --
 -- This function allows for memory-efficient traversals.
+--
+-- Follows symbolic links for the input dir.
 traverseDirectory :: (s -> RawFilePath -> IO s) -> s -> RawFilePath -> IO s
 traverseDirectory act s0 topdir = toploop
   where
@@ -103,17 +129,17 @@ actOnDirContents :: RawFilePath
                  -> IO b
 actOnDirContents pathRelToTop b f =
   modifyIOError ((`ioeSetFileName` (BS.unpack pathRelToTop)) .
-                 (`ioeSetLocation` "findBSTypRel")) $ do
+                 (`ioeSetLocation` "findBSTypRel")) $
     bracket
       (openDirStream pathRelToTop)
-      (Posix.closeDirStream)
+      Posix.closeDirStream
       (\dirp -> loop dirp b)
  where
   loop dirp b' = do
     (typ,e) <- readDirEnt dirp
     if (e == "")
       then return b'
-      else do
+      else
           if (e == "." || e == "..")
               then loop dirp b'
               else f typ (pathRelToTop </> e) b' >>= loop dirp
@@ -154,9 +180,6 @@ foreign import ccall "realpath"
 foreign import ccall unsafe "fdopendir"
   c_fdopendir :: Posix.Fd -> IO (Ptr ())
 
-foreign import ccall unsafe "open"
-   c_open :: CString -> CInt -> Posix.CMode -> IO CInt
-
 ----------------------------------------------------------
 -- less dodgy but still lower-level
 
@@ -189,81 +212,53 @@ readDirEnt (unpackDirStream -> dirp) =
                     else throwErrno "readDirEnt"
 
 
+-- |Gets all directory contents (not recursively).
 getDirectoryContents :: RawFilePath -> IO [(DirType, RawFilePath)]
 getDirectoryContents path =
   modifyIOError ((`ioeSetFileName` (BS.unpack path)) .
-                 (`ioeSetLocation` "System.Posix.Directory.Traversals.getDirectoryContents")) $ do
+                 (`ioeSetLocation` "System.Posix.Directory.Traversals.getDirectoryContents")) $
     bracket
       (PosixBS.openDirStream path)
       PosixBS.closeDirStream
-      loop
- where
-  loop dirp = do
-     t@(_typ,e) <- readDirEnt dirp
-     if BS.null e then return [] else do
-       es <- loop dirp
-       return (t:es)
+      _dirloop
 
 
+-- |Binding to @fdopendir(3)@.
 fdOpendir :: Posix.Fd -> IO DirStream
 fdOpendir fd =
     packDirStream <$> throwErrnoIfNull "fdOpendir" (c_fdopendir fd)
 
 
+-- |Like `getDirectoryContents` except for a file descriptor.
+--
+-- To avoid complicated error checks, the file descriptor is
+-- __always__ closed, even if `fdOpendir` fails. Usually, this
+-- only happens on successful `fdOpendir` and after the directory
+-- stream is closed. Also see the manpage of @fdopendir(3)@ for
+-- more details.
 getDirectoryContents' :: Posix.Fd -> IO [(DirType, RawFilePath)]
-getDirectoryContents' fd =
-    bracket
-      (fdOpendir fd)
-      PosixBS.closeDirStream
-      loop
- where
-  loop dirp = do
-     t@(_typ,e) <- readDirEnt dirp
-     if BS.null e then return [] else do
-       es <- loop dirp
-       return (t:es)
+getDirectoryContents' fd = do
+  dirstream <- fdOpendir fd `catchIOError` \e -> do
+    closeFd fd
+    ioError e
+  -- closeDirStream closes the filedescriptor
+  finally (_dirloop dirstream) (PosixBS.closeDirStream dirstream)
 
 
-open_  :: CString
-       -> Posix.OpenMode
-       -> [Flags]
-       -> Maybe Posix.FileMode
-       -> IO Posix.Fd
-open_ str how optional_flags maybe_mode = do
-    fd <- c_open str all_flags mode_w
-    return (Posix.Fd fd)
-  where
-    all_flags  = unionFlags $ optional_flags ++ [open_mode] ++ creat
-
-
-    (creat, mode_w) = case maybe_mode of
-                        Nothing -> ([],0)
-                        Just x  -> ([oCreat], x)
-
-    open_mode = case how of
-                   Posix.ReadOnly  -> oRdonly
-                   Posix.WriteOnly -> oWronly
-                   Posix.ReadWrite -> oRdwr
-
-
--- |Open and optionally create this file.  See 'System.Posix.Files'
--- for information on how to use the 'FileMode' type.
-openFd :: RawFilePath
-       -> Posix.OpenMode
-       -> [Flags]
-       -> Maybe Posix.FileMode
-       -> IO Posix.Fd
-openFd name how optional_flags maybe_mode =
-   withFilePath name $ \str ->
-     throwErrnoPathIfMinus1Retry "openFd" name $
-       open_ str how optional_flags maybe_mode
+_dirloop :: DirStream -> IO [(DirType, RawFilePath)]
+{-# INLINE _dirloop #-}
+_dirloop dirp = do
+   t@(_typ,e) <- readDirEnt dirp
+   if BS.null e then return [] else do
+     es <- _dirloop dirp
+     return (t:es)
 
 
 -- | return the canonicalized absolute pathname
 --
--- like canonicalizePath, but uses realpath(3)
+-- like canonicalizePath, but uses @realpath(3)@
 realpath :: RawFilePath -> IO RawFilePath
-realpath inp = do
+realpath inp =
     allocaBytes pathMax $ \tmp -> do
         void $ BS.useAsCString inp $ \cstr -> throwErrnoIfNull "realpath" $ c_realpath cstr tmp
         BS.packCString tmp

src/System/Posix/FD.hs

@@ -0,0 +1,75 @@
+-- |
+-- Module      :  System.Posix.FD
+-- Copyright   :  © 2016 Julian Ospald
+-- License     :  BSD3
+--
+-- Maintainer  :  Julian Ospald <hasufell@posteo.de>
+-- Stability   :  experimental
+-- Portability :  portable
+--
+-- Provides an alternative for `System.Posix.IO.ByteString.openFd`
+-- which gives us more control on what status flags to pass to the
+-- low-level @open(2)@ call, in contrast to the unix package.
+
+
+{-# LANGUAGE ForeignFunctionInterface #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE TupleSections #-}
+
+{-# OPTIONS_GHC -Wall #-}
+
+
+module System.Posix.FD (
+    openFd
+) where
+
+
+import Foreign.C.String
+import Foreign.C.Types
+import System.Posix.Directory.Foreign
+import qualified System.Posix as Posix
+import System.Posix.ByteString.FilePath
+
+
+foreign import ccall unsafe "open"
+   c_open :: CString -> CInt -> Posix.CMode -> IO CInt
+
+
+open_  :: CString
+       -> Posix.OpenMode
+       -> [Flags]
+       -> Maybe Posix.FileMode
+       -> IO Posix.Fd
+open_ str how optional_flags maybe_mode = do
+    fd <- c_open str all_flags mode_w
+    return (Posix.Fd fd)
+  where
+    all_flags  = unionFlags $ optional_flags ++ [open_mode] ++ creat
+
+
+    (creat, mode_w) = case maybe_mode of
+                        Nothing -> ([],0)
+                        Just x  -> ([oCreat], x)
+
+    open_mode = case how of
+                   Posix.ReadOnly  -> oRdonly
+                   Posix.WriteOnly -> oWronly
+                   Posix.ReadWrite -> oRdwr
+
+
+-- |Open and optionally create this file. See 'System.Posix.Files'
+-- for information on how to use the 'FileMode' type.
+--
+-- Note that passing @Just x@ as the 4th argument triggers the
+-- `oCreat` status flag, which must be set when you pass in `oExcl`
+-- to the status flags. Also see the manpage for @open(2)@.
+openFd :: RawFilePath
+       -> Posix.OpenMode
+       -> [Flags]               -- ^ status flags of @open(2)@
+       -> Maybe Posix.FileMode  -- ^ @Just x@ => creates the file with the given modes, Nothing => the file must exist.
+       -> IO Posix.Fd
+openFd name how optional_flags maybe_mode =
+   withFilePath name $ \str ->
+     throwErrnoPathIfMinus1Retry "openFd" name $
+       open_ str how optional_flags maybe_mode
+

src/System/Posix/FilePath.hs

@@ -11,6 +11,8 @@
 --
 -- Not all functions of "System.FilePath" are implemented yet. Feel free to contribute!
 
+
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE TupleSections #-}
 
 {-# OPTIONS_GHC -Wall #-}
@@ -18,7 +20,7 @@
 
 module System.Posix.FilePath (
 
-  -- * Separators
+  -- * Separator predicates
   pathSeparator
 , isPathSeparator
 , searchPathSeparator
@@ -26,7 +28,11 @@ module System.Posix.FilePath (
 , extSeparator
 , isExtSeparator
 
-  -- * File extensions
+  -- * $PATH methods
+, splitSearchPath
+, getSearchPath
+
+  -- * Extension functions
 , splitExtension
 , takeExtension
 , replaceExtension
@@ -37,8 +43,9 @@ module System.Posix.FilePath (
 , splitExtensions
 , dropExtensions
 , takeExtensions
+, stripExtension
 
-  -- * Filenames/Directory names
+  -- * Filename\/directory functions
 , splitFileName
 , takeFileName
 , replaceFileName
@@ -47,92 +54,135 @@ module System.Posix.FilePath (
 , replaceBaseName
 , takeDirectory
 , replaceDirectory
-
-  -- * Path combinators and splitters
 , combine
 , (</>)
 , splitPath
 , joinPath
 , splitDirectories
 
-  -- * Path conversions
-, normalise
-
-  -- * Trailing path separator
+  -- * Trailing slash functions
 , hasTrailingPathSeparator
 , addTrailingPathSeparator
 , dropTrailingPathSeparator
 
-  -- * Queries
+  -- * File name manipulations
+, normalise
+, makeRelative
+, equalFilePath
 , isRelative
 , isAbsolute
 , isValid
+, makeValid
 , isFileName
 , hasParentDir
-, equalFilePath
 , hiddenFile
 
-  -- * Type conversion
-, fpToString
-, userStringToFP
-
 , module System.Posix.ByteString.FilePath
 ) where
 
 import           Data.ByteString (ByteString)
 import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (fromString, toString)
+import Data.String (fromString)
 import           System.Posix.ByteString.FilePath
+import qualified System.Posix.Env.ByteString as PE
 
 import           Data.Maybe (isJust)
 import           Data.Word8
-
+#if !MIN_VERSION_bytestring(0,10,8)
+import qualified Data.List as L
+#endif
 import           Control.Arrow (second)
 
 -- $setup
 -- >>> import Data.Char
+-- >>> import Data.Maybe
 -- >>> import Test.QuickCheck
 -- >>> import Control.Applicative
 -- >>> import qualified Data.ByteString as BS
--- >>> import Data.ByteString (ByteString)
 -- >>> instance Arbitrary ByteString where arbitrary = BS.pack <$> arbitrary
 -- >>> instance CoArbitrary ByteString where coarbitrary = coarbitrary . BS.unpack
 --
 -- >>> let _chr :: Word8 -> Char; _chr = chr . fromIntegral
 
 
+
+------------------------
+-- Separator predicates
+
+
 -- | Path separator character
 pathSeparator :: Word8
 pathSeparator = _slash
 
+
 -- | Check if a character is the path separator
 --
 -- prop> \n ->  (_chr n == '/') == isPathSeparator n
 isPathSeparator :: Word8 -> Bool
 isPathSeparator = (== pathSeparator)
 
+
 -- | Search path separator
 searchPathSeparator :: Word8
 searchPathSeparator = _colon
 
+
 -- | Check if a character is the search path separator
 --
 -- prop> \n -> (_chr n == ':') == isSearchPathSeparator n
 isSearchPathSeparator :: Word8 -> Bool
 isSearchPathSeparator = (== searchPathSeparator)
 
+
 -- | File extension separator
 extSeparator :: Word8
 extSeparator = _period
 
+
 -- | Check if a character is the file extension separator
 --
 -- prop> \n -> (_chr n == '.') == isExtSeparator n
 isExtSeparator :: Word8 -> Bool
 isExtSeparator = (== extSeparator)
 
+
+
 ------------------------
--- extension stuff
+-- $PATH methods
+
+
+-- | Take a ByteString, split it on the 'searchPathSeparator'.
+-- Blank items are converted to @.@.
+--
+-- Follows the recommendations in
+-- <http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html>
+--
+-- >>> splitSearchPath "File1:File2:File3"
+-- ["File1","File2","File3"]
+-- >>> splitSearchPath "File1::File2:File3"
+-- ["File1",".","File2","File3"]
+-- >>> splitSearchPath ""
+-- ["."]
+splitSearchPath :: ByteString -> [RawFilePath]
+splitSearchPath = f
+  where
+    f bs = let (pre, post) = BS.break isSearchPathSeparator bs
+           in if BS.null post
+                 then g pre
+                 else g pre ++ f (BS.tail post)
+    g x
+      | BS.null x = [BS.singleton _period]
+      | otherwise = [x]
+
+
+-- | Get a list of 'RawFilePath's in the $PATH variable.
+getSearchPath :: IO [RawFilePath]
+getSearchPath = fmap (maybe [] splitSearchPath) (PE.getEnv $ fromString "PATH")
+
+
+
+------------------------
+-- Extension functions
 
 -- | Split a 'RawFilePath' into a path+filename and extension
 --
@@ -152,6 +202,7 @@ splitExtension x = if BS.null basename
     (path,file) = splitFileNameRaw x
     (basename,fileExt) = BS.breakEnd isExtSeparator file
 
+
 -- | Get the final extension from a 'RawFilePath'
 --
 -- >>> takeExtension "file.exe"
@@ -163,12 +214,14 @@ splitExtension x = if BS.null basename
 takeExtension :: RawFilePath -> ByteString
 takeExtension = snd . splitExtension
 
+
 -- | Change a file's extension
 --
 -- prop> \path -> let ext = takeExtension path in replaceExtension path ext == path
 replaceExtension :: RawFilePath -> ByteString -> RawFilePath
 replaceExtension path ext = dropExtension path <.> ext
 
+
 -- | Drop the final extension from a 'RawFilePath'
 --
 -- >>> dropExtension "file.exe"
@@ -180,6 +233,7 @@ replaceExtension path ext = dropExtension path <.> ext
 dropExtension :: RawFilePath -> RawFilePath
 dropExtension = fst . splitExtension
 
+
 -- | Add an extension to a 'RawFilePath'
 --
 -- >>> addExtension "file" ".exe"
@@ -195,10 +249,6 @@ addExtension file ext
     | otherwise = BS.intercalate (BS.singleton extSeparator) [file, ext]
 
 
--- | Operator version of 'addExtension'
-(<.>) :: RawFilePath -> ByteString -> RawFilePath
-(<.>) = addExtension
-
 -- | Check if a 'RawFilePath' has an extension
 --
 -- >>> hasExtension "file"
@@ -210,7 +260,13 @@ addExtension file ext
 hasExtension :: RawFilePath -> Bool
 hasExtension = isJust . BS.elemIndex extSeparator . takeFileName
 
--- | Split a 'RawFilePath' on the first extension
+
+-- | Operator version of 'addExtension'
+(<.>) :: RawFilePath -> ByteString -> RawFilePath
+(<.>) = addExtension
+
+
+-- | Split a 'RawFilePath' on the first extension.
 --
 -- >>> splitExtensions "/path/file.tar.gz"
 -- ("/path/file",".tar.gz")
@@ -224,6 +280,7 @@ splitExtensions x = if BS.null basename
     (path,file) = splitFileNameRaw x
     (basename,fileExt) = BS.break isExtSeparator file
 
+
 -- | Remove all extensions from a 'RawFilePath'
 --
 -- >>> dropExtensions "/path/file.tar.gz"
@@ -231,6 +288,7 @@ splitExtensions x = if BS.null basename
 dropExtensions :: RawFilePath -> RawFilePath
 dropExtensions = fst . splitExtensions
 
+
 -- | Take all extensions from a 'RawFilePath'
 --
 -- >>> takeExtensions "/path/file.tar.gz"
@@ -238,8 +296,48 @@ dropExtensions = fst . splitExtensions
 takeExtensions :: RawFilePath -> ByteString
 takeExtensions = snd . splitExtensions
 
+
+-- | Drop the given extension from a FilePath, and the @\".\"@ preceding it.
+-- Returns 'Nothing' if the FilePath does not have the given extension, or
+-- 'Just' and the part before the extension if it does.
+--
+-- This function can be more predictable than 'dropExtensions',
+-- especially if the filename might itself contain @.@ characters.
+--
+-- >>> stripExtension "hs.o" "foo.x.hs.o"
+-- Just "foo.x"
+-- >>> stripExtension "hi.o" "foo.x.hs.o"
+-- Nothing
+-- >>> stripExtension ".c.d" "a.b.c.d"
+-- Just "a.b"
+-- >>> stripExtension ".c.d" "a.b..c.d"
+-- Just "a.b."
+-- >>> stripExtension "baz"  "foo.bar"
+-- Nothing
+-- >>> stripExtension "bar"  "foobar"
+-- Nothing
+--
+-- prop> \path -> stripExtension "" path == Just path
+-- prop> \path -> dropExtension path  == fromJust (stripExtension (takeExtension path) path)
+-- prop> \path -> dropExtensions path == fromJust (stripExtension (takeExtensions path) path)
+stripExtension :: ByteString -> RawFilePath -> Maybe RawFilePath
+stripExtension bs path
+  | BS.null bs = Just path
+  | otherwise  = stripSuffix' dotExt path
+  where
+    dotExt = if isExtSeparator $ BS.head bs
+                then bs
+                else extSeparator `BS.cons` bs
+#if MIN_VERSION_bytestring(0,10,8)
+    stripSuffix' = BS.stripSuffix
+#else
+    stripSuffix' xs ys = fmap (BS.pack . reverse) $ L.stripPrefix (reverse $ BS.unpack xs) (reverse $ BS.unpack ys)
+#endif
+
+
 ------------------------
--- more stuff
+-- Filename/directory functions
+
 
 -- | Split a 'RawFilePath' into (path,file).  'combine' is the inverse
 --
@@ -269,12 +367,14 @@ splitFileName x = if BS.null path
 takeFileName :: RawFilePath -> RawFilePath
 takeFileName = snd . splitFileName
 
+
 -- | Change the file name
 --
 -- prop> \path -> replaceFileName path (takeFileName path) == path
 replaceFileName :: RawFilePath -> ByteString -> RawFilePath
 replaceFileName x y = fst (splitFileNameRaw x) </> y
 
+
 -- | Drop the file name
 --
 -- >>> dropFileName "path/file.txt"
@@ -284,6 +384,7 @@ replaceFileName x y = fst (splitFileNameRaw x) </> y
 dropFileName :: RawFilePath -> RawFilePath
 dropFileName = fst . splitFileName
 
+
 -- | Get the file name, without a trailing extension
 --
 -- >>> takeBaseName "path/file.tar.gz"
@@ -293,6 +394,7 @@ dropFileName = fst . splitFileName
 takeBaseName :: RawFilePath -> ByteString
 takeBaseName = dropExtension . takeFileName
 
+
 -- | Change the base name
 --
 -- >>> replaceBaseName "path/file.tar.gz" "bob"
@@ -305,6 +407,7 @@ replaceBaseName path name = combineRaw dir (name <.> ext)
     (dir,file) = splitFileNameRaw path
     ext = takeExtension file
 
+
 -- | Get the directory, moving up one level if it's already a directory
 --
 -- >>> takeDirectory "path/file.txt"
@@ -324,12 +427,14 @@ takeDirectory x = case () of
     res = fst $ BS.spanEnd isPathSeparator file
     file = dropFileName x
 
+
 -- | Change the directory component of a 'RawFilePath'
 --
 -- prop> \path -> replaceDirectory path (takeDirectory path) `equalFilePath` path || takeDirectory path == "."
 replaceDirectory :: RawFilePath -> ByteString -> RawFilePath
 replaceDirectory file dir = combineRaw dir (takeFileName file)
 
+
 -- | Join two paths together
 --
 -- >>> combine "/" "file"
@@ -342,6 +447,7 @@ combine :: RawFilePath -> RawFilePath -> RawFilePath
 combine a b | not (BS.null b) && isPathSeparator (BS.head b) = b
             | otherwise = combineRaw a b
 
+
 -- | Operator version of combine
 (</>) :: RawFilePath -> RawFilePath -> RawFilePath
 (</>) = combine
@@ -363,6 +469,17 @@ splitPath = splitter
                           Nothing -> [x]
                           Just runlen -> uncurry (:) . second splitter $ BS.splitAt (ix+1+runlen) x
 
+
+-- | Join a split path back together
+--
+-- prop> \path -> joinPath (splitPath path) == path
+--
+-- >>> joinPath ["path","to","file.txt"]
+-- "path/to/file.txt"
+joinPath :: [RawFilePath] -> RawFilePath
+joinPath = foldr (</>) BS.empty
+
+
 -- | Like 'splitPath', but without trailing slashes
 --
 -- >>> splitDirectories "/path/to/file.txt"
@@ -378,14 +495,60 @@ splitDirectories x
   where
     splitter = filter (not . BS.null) . BS.split pathSeparator
 
--- | Join a split path back together
+
+
+------------------------
+-- Trailing slash functions
+
+-- | Check if the last character of a 'RawFilePath' is '/'.
 --
--- prop> \path -> joinPath (splitPath path) == path
+-- >>> hasTrailingPathSeparator "/path/"
+-- True
+-- >>> hasTrailingPathSeparator "/"
+-- True
+-- >>> hasTrailingPathSeparator "/path"
+-- False
+hasTrailingPathSeparator :: RawFilePath -> Bool
+hasTrailingPathSeparator x
+  | BS.null x = False
+  | otherwise = isPathSeparator $ BS.last x
+
+
+-- | Add a trailing path separator.
 --
--- >>> joinPath ["path","to","file.txt"]
--- "path/to/file.txt"
-joinPath :: [RawFilePath] -> RawFilePath
-joinPath = foldr (</>) BS.empty
+-- >>> addTrailingPathSeparator "/path"
+-- "/path/"
+-- >>> addTrailingPathSeparator "/path/"
+-- "/path/"
+-- >>> addTrailingPathSeparator "/"
+-- "/"
+addTrailingPathSeparator :: RawFilePath -> RawFilePath
+addTrailingPathSeparator x = if hasTrailingPathSeparator x
+    then x
+    else x `BS.snoc` pathSeparator
+
+
+-- | Remove a trailing path separator
+--
+-- >>> dropTrailingPathSeparator "/path/"
+-- "/path"
+-- >>> dropTrailingPathSeparator "/path////"
+-- "/path"
+-- >>> dropTrailingPathSeparator "/"
+-- "/"
+-- >>> dropTrailingPathSeparator "//"
+-- "/"
+dropTrailingPathSeparator :: RawFilePath -> RawFilePath
+dropTrailingPathSeparator x
+  | x == BS.singleton pathSeparator = x
+  | otherwise = if hasTrailingPathSeparator x
+                  then dropTrailingPathSeparator $ BS.init x
+                  else x
+
+
+
+------------------------
+-- File name manipulations
 
 
 -- |Normalise a file.
@@ -442,139 +605,47 @@ normalise filepath =
     dropDots = filter (BS.singleton _period /=)
 
 
-------------------------
--- trailing path separators
 
--- | Check if the last character of a 'RawFilePath' is '/'.
+-- | Contract a filename, based on a relative path. Note that the resulting
+-- path will never introduce @..@ paths, as the presence of symlinks
+-- means @..\/b@ may not reach @a\/b@ if it starts from @a\/c@. For a
+-- worked example see
+-- <http://neilmitchell.blogspot.co.uk/2015/10/filepaths-are-subtle-symlinks-are-hard.html this blog post>.
 --
--- >>> hasTrailingPathSeparator "/path/"
--- True
--- >>> hasTrailingPathSeparator "/"
--- True
--- >>> hasTrailingPathSeparator "/path"
--- False
-hasTrailingPathSeparator :: RawFilePath -> Bool
-hasTrailingPathSeparator x
-  | BS.null x = False
-  | otherwise = isPathSeparator $ BS.last x
-
--- | Add a trailing path separator.
+-- >>> makeRelative "/directory" "/directory/file.ext"
+-- "file.ext"
+-- >>> makeRelative "/Home" "/home/bob"
+-- "/home/bob"
+-- >>> makeRelative "/home/" "/home/bob/foo/bar"
+-- "bob/foo/bar"
+-- >>> makeRelative "/fred" "bob"
+-- "bob"
+-- >>> makeRelative "/file/test" "/file/test/fred"
+-- "fred"
+-- >>> makeRelative "/file/test" "/file/test/fred/"
+-- "fred/"
+-- >>> makeRelative "some/path" "some/path/a/b/c"
+-- "a/b/c"
 --
--- >>> addTrailingPathSeparator "/path"
--- "/path/"
--- >>> addTrailingPathSeparator "/path/"
--- "/path/"
--- >>> addTrailingPathSeparator "/"
--- "/"
-addTrailingPathSeparator :: RawFilePath -> RawFilePath
-addTrailingPathSeparator x = if hasTrailingPathSeparator x
-    then x
-    else x `BS.snoc` pathSeparator
-
--- | Remove a trailing path separator
---
--- >>> dropTrailingPathSeparator "/path/"
--- "/path"
--- >>> dropTrailingPathSeparator "/path////"
--- "/path"
--- >>> dropTrailingPathSeparator "/"
--- "/"
--- >>> dropTrailingPathSeparator "//"
--- "/"
-dropTrailingPathSeparator :: RawFilePath -> RawFilePath
-dropTrailingPathSeparator x
-  | x == BS.singleton pathSeparator = x
-  | otherwise = if hasTrailingPathSeparator x
-                  then dropTrailingPathSeparator $ BS.init x
-                  else x
-
-------------------------
--- Filename/system stuff
-
--- | Check if a path is absolute
---
--- >>> isAbsolute "/path"
--- True
--- >>> isAbsolute "path"
--- False
--- >>> isAbsolute ""
--- False
-isAbsolute :: RawFilePath -> Bool
-isAbsolute x
-    | BS.length x > 0 = isPathSeparator (BS.head x)
-    | otherwise = False
-
--- | Check if a path is relative
---
--- prop> \path -> isRelative path /= isAbsolute path
-isRelative :: RawFilePath -> Bool
-isRelative = not . isAbsolute
-
--- | Is a FilePath valid, i.e. could you create a file like it?
---
--- >>> isValid ""
--- False
--- >>> isValid "\0"
--- False
--- >>> isValid "/random_ path:*"
--- True
-isValid :: RawFilePath -> Bool
-isValid filepath
-  | BS.null filepath        = False
-  | _nul `BS.elem` filepath = False
-  | otherwise               = True
-
--- | Is the given filename a valid filename?
---
--- >>> isFileName "lal"
--- True
--- >>> isFileName "."
--- True
--- >>> isFileName ".."
--- True
--- >>> isFileName ""
--- False
--- >>> isFileName "\0"
--- False
--- >>> isFileName "/random_ path:*"
--- False
-isFileName :: ByteString -> Bool
-isFileName filepath =
-  not (BS.singleton pathSeparator `BS.isInfixOf` filepath) &&
-  not (BS.null filepath) &&
-  not (_nul `BS.elem` filepath)
-
--- | Helper function: check if the filepath has any parent directories in it.
---
--- >>> hasParentDir "/.."
--- True
--- >>> hasParentDir "foo/bar/.."
--- True
--- >>> hasParentDir "foo/../bar/."
--- True
--- >>> hasParentDir "foo/bar"
--- False
--- >>> hasParentDir "foo"
--- False
--- >>> hasParentDir ""
--- False
--- >>> hasParentDir ".."
--- False
-hasParentDir :: ByteString -> Bool
-hasParentDir filepath =
-  ((pathSeparator `BS.cons` pathDoubleDot)
-    `BS.isSuffixOf` filepath
-  ) ||
-  ((BS.singleton pathSeparator
-     `BS.append` pathDoubleDot
-     `BS.append` BS.singleton pathSeparator
-   ) `BS.isInfixOf`  filepath
-  ) ||
-  ((pathDoubleDot `BS.append` BS.singleton pathSeparator
-   ) `BS.isPrefixOf` filepath
-  )
+-- prop> \p -> makeRelative p p == "."
+-- prop> \p -> makeRelative (takeDirectory p) p `equalFilePath` takeFileName p
+-- prop \x y -> equalFilePath x y || (isRelative x && makeRelative y x == x) || equalFilePath (y </> makeRelative y x) x
+makeRelative :: RawFilePath -> RawFilePath -> RawFilePath
+makeRelative root path
+  | equalFilePath root path = BS.singleton _period
+  | takeAbs root /= takeAbs path = path
+  | otherwise = f (dropAbs root) (dropAbs path)
   where
-    pathDoubleDot = BS.pack [_period, _period]
+    f x y
+      | BS.null x = BS.dropWhile isPathSeparator y
+      | otherwise = let (x1,x2) = g x
+                        (y1,y2) = g y
+                    in if equalFilePath x1 y1 then f x2 y2 else path
+    g x = (BS.dropWhile isPathSeparator a, BS.dropWhile isPathSeparator b)
+      where (a, b) = BS.break isPathSeparator $ BS.dropWhile isPathSeparator x
+    dropAbs x = snd $ BS.span (== _slash) x
+    takeAbs x = fst $ BS.span (== _slash) x
+
 
 -- |Equality of two filepaths. The filepaths are normalised
 -- and trailing path separators are dropped.
@@ -585,6 +656,8 @@ hasParentDir filepath =
 -- True
 -- >>> equalFilePath "foo" "./foo"
 -- True
+-- >>> equalFilePath "" ""
+-- True
 -- >>> equalFilePath "foo" "/foo"
 -- False
 -- >>> equalFilePath "foo" "FOO"
@@ -599,37 +672,138 @@ equalFilePath p1 p2 = f p1 == f p2
     f x = dropTrailingPathSeparator $ normalise x
 
 
+-- | Check if a path is relative
+--
+-- prop> \path -> isRelative path /= isAbsolute path
+isRelative :: RawFilePath -> Bool
+isRelative = not . isAbsolute
+
+
+-- | Check if a path is absolute
+--
+-- >>> isAbsolute "/path"
+-- True
+-- >>> isAbsolute "path"
+-- False
+-- >>> isAbsolute ""
+-- False
+isAbsolute :: RawFilePath -> Bool
+isAbsolute x
+    | BS.length x > 0 = isPathSeparator (BS.head x)
+    | otherwise = False
+
+
+-- | Is a FilePath valid, i.e. could you create a file like it?
+--
+-- >>> isValid ""
+-- False
+-- >>> isValid "\0"
+-- False
+-- >>> isValid "/random_ path:*"
+-- True
+isValid :: RawFilePath -> Bool
+isValid filepath
+  | BS.null filepath        = False
+  | _nul `BS.elem` filepath = False
+  | otherwise               = True
+
+
+-- | Take a FilePath and make it valid; does not change already valid FilePaths.
+--
+-- >>> makeValid ""
+-- "_"
+-- >>> makeValid "file\0name"
+-- "file_name"
+--
+-- prop> \p -> if isValid p then makeValid p == p else makeValid p /= p
+-- prop> \p -> isValid (makeValid p)
+makeValid :: RawFilePath -> RawFilePath
+makeValid path
+  | BS.null path = BS.singleton _underscore
+  | otherwise    = BS.map (\x -> if x == _nul then _underscore else x) path
+
+
+-- | Is the given path a valid filename? This includes
+-- "." and "..".
+--
+-- >>> isFileName "lal"
+-- True
+-- >>> isFileName "."
+-- True
+-- >>> isFileName ".."
+-- True
+-- >>> isFileName ""
+-- False
+-- >>> isFileName "\0"
+-- False
+-- >>> isFileName "/random_ path:*"
+-- False
+isFileName :: RawFilePath -> Bool
+isFileName filepath =
+  not (BS.singleton pathSeparator `BS.isInfixOf` filepath) &&
+  not (BS.null filepath) &&
+  not (_nul `BS.elem` filepath)
+
+
+-- | Check if the filepath has any parent directories in it.
+--
+-- >>> hasParentDir "/.."
+-- True
+-- >>> hasParentDir "foo/bar/.."
+-- True
+-- >>> hasParentDir "foo/../bar/."
+-- True
+-- >>> hasParentDir "foo/bar"
+-- False
+-- >>> hasParentDir "foo"
+-- False
+-- >>> hasParentDir ""
+-- False
+-- >>> hasParentDir ".."
+-- False
+hasParentDir :: RawFilePath -> Bool
+hasParentDir filepath =
+    (pathSeparator `BS.cons` pathDoubleDot)
+     `BS.isSuffixOf` filepath
+   ||
+    (BS.singleton pathSeparator
+        `BS.append` pathDoubleDot
+        `BS.append` BS.singleton pathSeparator)
+     `BS.isInfixOf`  filepath
+   ||
+    (pathDoubleDot `BS.append` BS.singleton pathSeparator)
+      `BS.isPrefixOf` filepath
+  where
+    pathDoubleDot = BS.pack [_period, _period]
+
+
 -- | Whether the file is a hidden file.
 --
 -- >>> hiddenFile ".foo"
 -- True
 -- >>> hiddenFile "..foo.bar"
 -- True
+-- >>> hiddenFile "some/path/.bar"
+-- True
 -- >>> hiddenFile "..."
 -- True
--- >>> hiddenFile "dod"
--- False
 -- >>> hiddenFile "dod.bar"
 -- False
+-- >>> hiddenFile "."
+-- False
+-- >>> hiddenFile ".."
+-- False
+-- >>> hiddenFile ""
+-- False
 hiddenFile :: RawFilePath -> Bool
 hiddenFile fp
-  | fp == BS.pack [_period, _period] = False
-  | fp == BS.pack [_period]          = False
+  | fn == BS.pack [_period, _period] = False
+  | fn == BS.pack [_period]          = False
   | otherwise                        = BS.pack [extSeparator]
-                                         `BS.isPrefixOf` fp
+                                         `BS.isPrefixOf` fn
+  where
+    fn = takeFileName fp
 
-------------------------
--- conversion
-
--- |Uses UTF-8 decoding to convert the bytestring into a String.
-fpToString :: ByteString -> String
-fpToString = toString
-
-
--- |Uses UTF-8 encoding to convert a user provided String into
--- a ByteString, which represents a filepath.
-userStringToFP :: String -> ByteString
-userStringToFP = fromString
 
 
 ------------------------
@@ -638,7 +812,7 @@ userStringToFP = fromString
 -- Just split the input FileName without adding/normalizing or changing
 -- anything.
 splitFileNameRaw :: RawFilePath -> (RawFilePath, RawFilePath)
-splitFileNameRaw x = BS.breakEnd isPathSeparator x
+splitFileNameRaw = BS.breakEnd isPathSeparator
 
 -- | Combine two paths, assuming rhs is NOT absolute.
 combineRaw :: RawFilePath -> RawFilePath -> RawFilePath

test/HPath/IO/CanonicalizePathSpec.hs

@@ -13,54 +13,66 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/canonicalizePathSpec/"
 
-specDir' :: String
-specDir' = toString specDir
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CanonicalizePathSpec"
+  createTmpDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "file"
+  createDir' "dir"
+  createSymlink' "dirSym" "dir/"
+  createSymlink' "brokenSym" "nothing"
+  createSymlink' "fileSym" "file"
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  deleteFile' "file"
+  deleteDir' "dir"
+  deleteFile' "dirSym"
+  deleteFile' "brokenSym"
+  deleteFile' "fileSym"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.canonicalizePath" $ do
 
     -- successes --
     it "canonicalizePath, all fine" $ do
-      path <- withPwd (specDir `ba` "file") return
-      canonicalizePath' (specDir `ba` "file")
+      path <- withTmpDir "file" return
+      canonicalizePath' "file"
         `shouldReturn` path
 
     it "canonicalizePath, all fine" $ do
-      path <- withPwd (specDir `ba` "dir") return
-      canonicalizePath' (specDir `ba` "dir")
+      path <- withTmpDir "dir" return
+      canonicalizePath' "dir"
         `shouldReturn` path
 
     it "canonicalizePath, all fine" $ do
-      path <- withPwd (specDir `ba` "file") return
-      canonicalizePath' (specDir `ba` "fileSym")
+      path <- withTmpDir "file" return
+      canonicalizePath' "fileSym"
         `shouldReturn` path
 
     it "canonicalizePath, all fine" $ do
-      path <- withPwd (specDir `ba` "dir") return
-      canonicalizePath' (specDir `ba` "dirSym")
+      path <- withTmpDir "dir" return
+      canonicalizePath' "dirSym"
         `shouldReturn` path
 
 
     -- posix failures --
     it "canonicalizePath, broken symlink" $
-      canonicalizePath' (specDir `ba` "brokenSym")
+      canonicalizePath' "brokenSym"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "canonicalizePath, file does not exist" $
-      canonicalizePath' (specDir `ba` "nothingBlah")
+      canonicalizePath' "nothingBlah"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 

test/HPath/IO/CopyDirRecursiveCollectFailuresSpec.hs

@@ -0,0 +1,245 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+
+module HPath.IO.CopyDirRecursiveCollectFailuresSpec where
+
+
+import Test.Hspec
+import Data.List (sort)
+import HPath.IO
+import HPath.IO.Errors
+import System.IO.Error
+  (
+    ioeGetErrorType
+  )
+import GHC.IO.Exception
+  (
+    IOErrorType(..)
+  )
+import System.Exit
+import System.Process
+import Utils
+import qualified Data.ByteString as BS
+import Data.ByteString.UTF8 (toString)
+
+
+
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CopyDirRecursiveCollectFailuresSpec"
+  createTmpDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "alreadyExists"
+  createRegularFile' "wrongInput"
+  createSymlink' "wrongInputSymL" "inputDir/"
+  createDir' "alreadyExistsD"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+
+  createDir' "inputDir"
+  createDir' "inputDir/bar"
+  createDir' "inputDir/foo"
+  createRegularFile' "inputDir/foo/inputFile1"
+  createRegularFile' "inputDir/inputFile2"
+  createRegularFile' "inputDir/bar/inputFile3"
+  writeFile' "inputDir/foo/inputFile1" "SDAADSdsada"
+  writeFile' "inputDir/inputFile2" "Blahfaselgagaga"
+  writeFile' "inputDir/bar/inputFile3"
+    "fdfdssdffsd3223sasdasdasdadasasddasdasdasasd4"
+
+  createDir' "inputDir1"
+  createDir' "inputDir1/foo2"
+  createDir' "inputDir1/foo2/foo3"
+  createDir' "inputDir1/foo2/foo4"
+  createRegularFile' "inputDir1/foo2/inputFile1"
+  createRegularFile' "inputDir1/foo2/inputFile2"
+  createRegularFile' "inputDir1/foo2/inputFile3"
+  createRegularFile' "inputDir1/foo2/foo4/inputFile4"
+  createRegularFile' "inputDir1/foo2/foo4/inputFile6"
+  createRegularFile' "inputDir1/foo2/foo3/inputFile5"
+  noPerms "inputDir1/foo2/foo3"
+
+  createDir' "outputDir1"
+  createDir' "outputDir1/foo2"
+  createDir' "outputDir1/foo2/foo4"
+  createDir' "outputDir1/foo2/foo4/inputFile4"
+  createRegularFile' "outputDir1/foo2/foo4/inputFile6"
+  noPerms "outputDir1/foo2/foo4/inputFile4"
+  noPerms "outputDir1/foo2/foo4"
+
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+
+  normalDirPerms "inputDir1/foo2/foo3"
+  deleteFile' "inputDir1/foo2/foo4/inputFile4"
+  deleteFile' "inputDir1/foo2/foo4/inputFile6"
+  deleteFile' "inputDir1/foo2/inputFile1"
+  deleteFile' "inputDir1/foo2/inputFile2"
+  deleteFile' "inputDir1/foo2/inputFile3"
+  deleteFile' "inputDir1/foo2/foo3/inputFile5"
+  deleteDir' "inputDir1/foo2/foo3"
+  deleteDir' "inputDir1/foo2/foo4"
+  deleteDir' "inputDir1/foo2"
+  deleteDir' "inputDir1"
+
+  normalDirPerms "outputDir1/foo2/foo4"
+  normalDirPerms "outputDir1/foo2/foo4/inputFile4"
+  deleteFile' "outputDir1/foo2/foo4/inputFile6"
+  deleteDir' "outputDir1/foo2/foo4/inputFile4"
+  deleteDir' "outputDir1/foo2/foo4"
+  deleteDir' "outputDir1/foo2"
+  deleteDir' "outputDir1"
+
+  deleteFile' "alreadyExists"
+  deleteFile' "wrongInput"
+  deleteFile' "wrongInputSymL"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
+  deleteFile' "inputDir/foo/inputFile1"
+  deleteFile' "inputDir/inputFile2"
+  deleteFile' "inputDir/bar/inputFile3"
+  deleteDir' "inputDir/foo"
+  deleteDir' "inputDir/bar"
+  deleteDir' "inputDir"
+
+
+
+
+spec :: Spec
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
+  describe "HPath.IO.copyDirRecursive" $ do
+
+    -- successes --
+    it "copyDirRecursive (Strict, CollectFailures), all fine and compare" $ do
+      tmpDir' <- getRawTmpDir
+      copyDirRecursive' "inputDir"
+                        "outputDir"
+                        Strict
+                        CollectFailures
+      (system $ "diff -r --no-dereference "
+                          ++ toString tmpDir' ++ "inputDir" ++ " "
+                          ++ toString tmpDir' ++ "outputDir")
+        `shouldReturn` ExitSuccess
+      removeDirIfExists "outputDir"
+
+    -- posix failures --
+    it "copyDirRecursive (Strict, CollectFailures), source directory does not exist" $
+      copyDirRecursive' "doesNotExist"
+                        "outputDir"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == NoSuchThing)
+
+    it "copyDirRecursive (Strict, CollectFailures), cannot open source dir" $
+      copyDirRecursive' "noPerms/inputDir"
+                        "foo"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+
+    -- custom failures
+    it "copyDirRecursive (Overwrite, CollectFailures), various failures" $ do
+      copyDirRecursive' "inputDir1/foo2"
+                        "outputDir1/foo2"
+                        Overwrite
+                        CollectFailures
+        `shouldThrow`
+        (\(RecursiveFailure ex@[_, _]) ->
+          any (\e -> ioeGetErrorType e == InappropriateType) ex &&
+          any (\e -> ioeGetErrorType e == PermissionDenied) ex)
+      normalDirPerms "outputDir1/foo2/foo4"
+      normalDirPerms "outputDir1/foo2/foo4/inputFile4"
+      c <- allDirectoryContents' "outputDir1"
+      tmpDir' <- getRawTmpDir
+      let shouldC = (fmap (\x -> tmpDir' `BS.append` x)
+                          ["outputDir1"
+                          ,"outputDir1/foo2"
+                          ,"outputDir1/foo2/inputFile1"
+                          ,"outputDir1/foo2/inputFile2"
+                          ,"outputDir1/foo2/inputFile3"
+                          ,"outputDir1/foo2/foo4"
+                          ,"outputDir1/foo2/foo4/inputFile6"
+                          ,"outputDir1/foo2/foo4/inputFile4"])
+      deleteFile' "outputDir1/foo2/inputFile1"
+      deleteFile' "outputDir1/foo2/inputFile2"
+      deleteFile' "outputDir1/foo2/inputFile3"
+      sort c `shouldBe` sort shouldC
+
+
+    it "copyDirRecursive (Strict, CollectFailures), no write permission on output dir" $
+      copyDirRecursive' "inputDir"
+                        "noWritePerm/foo"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        (\(RecursiveFailure [e]) -> ioeGetErrorType e == PermissionDenied)
+
+    it "copyDirRecursive (Strict, CollectFailures), cannot open output dir" $
+      copyDirRecursive' "inputDir"
+                        "noPerms/foo"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        isRecursiveFailure
+
+    it "copyDirRecursive (Strict, CollectFailures), destination dir already exists" $
+      copyDirRecursive' "inputDir"
+                        "alreadyExistsD"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        (\(RecursiveFailure [e]) -> ioeGetErrorType e == AlreadyExists)
+
+    it "copyDirRecursive (Strict, CollectFailures), destination already exists and is a file" $
+      copyDirRecursive' "inputDir"
+                        "alreadyExists"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        isRecursiveFailure
+
+    it "copyDirRecursive (Strict, CollectFailures), wrong input (regular file)" $
+      copyDirRecursive' "wrongInput"
+                        "outputDir"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        (\(RecursiveFailure [e]) -> ioeGetErrorType e == InappropriateType)
+
+    it "copyDirRecursive (Strict, CollectFailures), wrong input (symlink to directory)" $
+      copyDirRecursive' "wrongInputSymL"
+                        "outputDir"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        (\(RecursiveFailure [e]) -> ioeGetErrorType e == InvalidArgument)
+
+    it "copyDirRecursive (Strict, CollectFailures), destination in source" $
+      copyDirRecursive' "inputDir"
+                        "inputDir/foo"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        isDestinationInSource
+
+    it "copyDirRecursive (Strict, CollectFailures), destination and source same directory" $
+      copyDirRecursive' "inputDir"
+                        "inputDir"
+                        Strict
+                        CollectFailures
+        `shouldThrow`
+        isSameFile
+
+

test/HPath/IO/CopyDirRecursiveOverwriteSpec.hs

@@ -1,9 +1,11 @@
 {-# LANGUAGE OverloadedStrings #-}
 
+
 module HPath.IO.CopyDirRecursiveOverwriteSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -16,95 +18,185 @@ import GHC.IO.Exception
 import System.Exit
 import System.Process
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
+import Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/copyDirRecursiveOverwriteSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CopyDirRecursiveOverwriteSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "alreadyExists"
+  createRegularFile' "wrongInput"
+  createSymlink' "wrongInputSymL" "inputDir/"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+
+  createDir' "inputDir"
+  createDir' "inputDir/bar"
+  createDir' "inputDir/foo"
+  createRegularFile' "inputDir/foo/inputFile1"
+  createRegularFile' "inputDir/inputFile2"
+  createRegularFile' "inputDir/bar/inputFile3"
+  writeFile' "inputDir/foo/inputFile1" "SDAADSdsada"
+  writeFile' "inputDir/inputFile2" "Blahfaselgagaga"
+  writeFile' "inputDir/bar/inputFile3"
+    "fdfdssdffsd3223sasdasdasdadasasddasdasdasasd4"
+
+  createDir' "alreadyExistsD"
+  createDir' "alreadyExistsD/bar"
+  createDir' "alreadyExistsD/foo"
+  createRegularFile' "alreadyExistsD/foo/inputFile1"
+  createRegularFile' "alreadyExistsD/inputFile2"
+  createRegularFile' "alreadyExistsD/bar/inputFile3"
+  writeFile' "alreadyExistsD/foo/inputFile1" "DAAsada"
+  writeFile' "alreadyExistsD/inputFile2" "ahfaagaga"
+  writeFile' "alreadyExistsD/bar/inputFile3"
+    "f3223sasdasdaasdasdasasd4"
+
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "alreadyExists"
+  deleteFile' "wrongInput"
+  deleteFile' "wrongInputSymL"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
+  deleteFile' "inputDir/foo/inputFile1"
+  deleteFile' "inputDir/inputFile2"
+  deleteFile' "inputDir/bar/inputFile3"
+  deleteDir' "inputDir/foo"
+  deleteDir' "inputDir/bar"
+  deleteDir' "inputDir"
+  deleteFile' "alreadyExistsD/foo/inputFile1"
+  deleteFile' "alreadyExistsD/inputFile2"
+  deleteFile' "alreadyExistsD/bar/inputFile3"
+  deleteDir' "alreadyExistsD/foo"
+  deleteDir' "alreadyExistsD/bar"
+  deleteDir' "alreadyExistsD"
 
-specDir' :: String
-specDir' = toString specDir
 
 
 spec :: Spec
-spec =
-  describe "HPath.IO.copyDirRecursiveOverwrite" $ do
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
+  describe "HPath.IO.copyDirRecursive" $ do
 
     -- successes --
-    it "copyDirRecursiveOverwrite, all fine" $ do
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "outputDir")
-      removeDirIfExists $ specDir `ba` "outputDir"
+    it "copyDirRecursive (Overwrite, FailEarly), all fine" $ do
+      copyDirRecursive' "inputDir"
+                        "outputDir"
+                        Overwrite
+                        FailEarly
+      removeDirIfExists "outputDir"
 
-    it "copyDirRecursiveOverwrite, all fine and compare" $ do
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "outputDir")
+    it "copyDirRecursive (Overwrite, FailEarly), all fine and compare" $ do
+      tmpDir' <- getRawTmpDir
+      copyDirRecursive' "inputDir"
+                        "outputDir"
+                        Overwrite
+                        FailEarly
       (system $ "diff -r --no-dereference "
-                          ++ specDir' ++ "inputDir" ++ " "
-                          ++ specDir' ++ "outputDir")
+                          ++ toString tmpDir' ++ "inputDir" ++ " "
+                          ++ toString tmpDir' ++ "outputDir")
         `shouldReturn` ExitSuccess
-      removeDirIfExists $ specDir `ba` "outputDir"
+      removeDirIfExists "outputDir"
+
+    it "copyDirRecursive (Overwrite, FailEarly), destination dir already exists" $ do
+      tmpDir' <- getRawTmpDir
+      (system $ "diff -r --no-dereference "
+                          ++ toString tmpDir' ++ "inputDir" ++ " "
+                          ++ toString tmpDir' ++ "alreadyExistsD")
+        `shouldReturn` (ExitFailure 1)
+      copyDirRecursive' "inputDir"
+                        "alreadyExistsD"
+                        Overwrite
+                        FailEarly
+      (system $ "diff -r --no-dereference "
+                          ++ toString tmpDir' ++ "inputDir" ++ " "
+                          ++ toString tmpDir' ++ "alreadyExistsD")
+        `shouldReturn` ExitSuccess
+      removeDirIfExists "outputDir"
 
-    it "copyDirRecursiveOverwrite, destination dir already exists" $
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "alreadyExistsD")
 
     -- posix failures --
-    it "copyDirRecursiveOverwrite, source directory does not exist" $
-      copyDirRecursiveOverwrite' (specDir `ba` "doesNotExist")
-                                 (specDir `ba` "outputDir")
+    it "copyDirRecursive, source directory does not exist" $
+      copyDirRecursive' "doesNotExist"
+                        "outputDir"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
-    it "copyDirRecursiveOverwrite, no write permission on output dir" $
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "noWritePerm/foo")
+    it "copyDirRecursive, no write permission on output dir" $
+      copyDirRecursive' "inputDir"
+                        "noWritePerm/foo"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyDirRecursiveOverwrite, cannot open output dir" $
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "noPerms/foo")
+    it "copyDirRecursive, cannot open output dir" $
+      copyDirRecursive' "inputDir"
+                        "noPerms/foo"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyDirRecursiveOverwrite, cannot open source dir" $
-      copyDirRecursiveOverwrite' (specDir `ba` "noPerms/inputDir")
-                                 (specDir `ba` "foo")
+    it "copyDirRecursive, cannot open source dir" $
+      copyDirRecursive' "noPerms/inputDir"
+                        "foo"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyDirRecursiveOverwrite, destination already exists and is a file" $
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "alreadyExists")
+    it "copyDirRecursive, destination already exists and is a file" $
+      copyDirRecursive' "inputDir"
+                        "alreadyExists"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
-    it "copyDirRecursiveOverwrite, wrong input (regular file)" $
-      copyDirRecursiveOverwrite' (specDir `ba` "wrongInput")
-                                 (specDir `ba` "outputDir")
+    it "copyDirRecursive, wrong input (regular file)" $
+      copyDirRecursive' "wrongInput"
+                        "outputDir"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
-    it "copyDirRecursiveOverwrite, wrong input (symlink to directory)" $
-      copyDirRecursiveOverwrite' (specDir `ba` "wrongInputSymL")
-                                 (specDir `ba` "outputDir")
+    it "copyDirRecursive, wrong input (symlink to directory)" $
+      copyDirRecursive' "wrongInputSymL"
+                        "outputDir"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
     -- custom failures
-    it "copyDirRecursiveOverwrite, destination in source" $
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "inputDir/foo")
+    it "copyDirRecursive (Overwrite, FailEarly), destination in source" $
+      copyDirRecursive' "inputDir"
+                        "inputDir/foo"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         isDestinationInSource
 
-    it "copyDirRecursiveOverwrite, destination and source same directory" $
-      copyDirRecursiveOverwrite' (specDir `ba` "inputDir")
-                                 (specDir `ba` "inputDir")
+    it "copyDirRecursive (Overwrite, FailEarly), destination and source same directory" $
+      copyDirRecursive' "inputDir"
+                        "inputDir"
+                        Overwrite
+                        FailEarly
         `shouldThrow`
         isSameFile

test/HPath/IO/CopyDirRecursiveSpec.hs

@@ -1,9 +1,11 @@
 {-# LANGUAGE OverloadedStrings #-}
 
+
 module HPath.IO.CopyDirRecursiveSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -16,97 +18,163 @@ import GHC.IO.Exception
 import System.Exit
 import System.Process
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
+import Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/copyDirRecursiveSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CopyDirRecursiveSpec"
+  createTmpDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "alreadyExists"
+  createRegularFile' "wrongInput"
+  createSymlink' "wrongInputSymL" "inputDir/"
+  createDir' "alreadyExistsD"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+
+  createDir' "inputDir"
+  createDir' "inputDir/bar"
+  createDir' "inputDir/foo"
+  createRegularFile' "inputDir/foo/inputFile1"
+  createRegularFile' "inputDir/inputFile2"
+  createRegularFile' "inputDir/bar/inputFile3"
+  writeFile' "inputDir/foo/inputFile1" "SDAADSdsada"
+  writeFile' "inputDir/inputFile2" "Blahfaselgagaga"
+  writeFile' "inputDir/bar/inputFile3"
+    "fdfdssdffsd3223sasdasdasdadasasddasdasdasasd4"
+
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "alreadyExists"
+  deleteFile' "wrongInput"
+  deleteFile' "wrongInputSymL"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
+  deleteFile' "inputDir/foo/inputFile1"
+  deleteFile' "inputDir/inputFile2"
+  deleteFile' "inputDir/bar/inputFile3"
+  deleteDir' "inputDir/foo"
+  deleteDir' "inputDir/bar"
+  deleteDir' "inputDir"
+
 
-specDir' :: String
-specDir' = toString specDir
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.copyDirRecursive" $ do
 
     -- successes --
-    it "copyDirRecursive, all fine" $ do
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "outputDir")
-      removeDirIfExists (specDir `ba` "outputDir")
+    it "copyDirRecursive (Strict, FailEarly), all fine" $ do
+      copyDirRecursive' "inputDir"
+                        "outputDir"
+                        Strict
+                        FailEarly
+      removeDirIfExists "outputDir"
 
-    it "copyDirRecursive, all fine and compare" $ do
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "outputDir")
+    it "copyDirRecursive (Strict, FailEarly), all fine and compare" $ do
+      tmpDir' <- getRawTmpDir
+      copyDirRecursive' "inputDir"
+                        "outputDir"
+                        Strict
+                        FailEarly
       (system $ "diff -r --no-dereference "
-                          ++ specDir' ++ "inputDir" ++ " "
-                          ++ specDir' ++ "outputDir")
+                          ++ toString tmpDir' ++ "inputDir" ++ " "
+                          ++ toString tmpDir' ++ "outputDir")
         `shouldReturn` ExitSuccess
-      removeDirIfExists (specDir `ba` "outputDir")
+      removeDirIfExists "outputDir"
 
     -- posix failures --
-    it "copyDirRecursive, source directory does not exist" $
-      copyDirRecursive' (specDir `ba` "doesNotExist")
-                        (specDir `ba` "outputDir")
+    it "copyDirRecursive (Strict, FailEarly), source directory does not exist" $
+      copyDirRecursive' "doesNotExist"
+                        "outputDir"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
-    it "copyDirRecursive, no write permission on output dir" $
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "noWritePerm/foo")
+    it "copyDirRecursive (Strict, FailEarly), no write permission on output dir" $
+      copyDirRecursive' "inputDir"
+                        "noWritePerm/foo"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyDirRecursive, cannot open output dir" $
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "noPerms/foo")
+    it "copyDirRecursive (Strict, FailEarly), cannot open output dir" $
+      copyDirRecursive' "inputDir"
+                        "noPerms/foo"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyDirRecursive, cannot open source dir" $
-      copyDirRecursive' (specDir `ba` "noPerms/inputDir")
-                        (specDir `ba` "foo")
+    it "copyDirRecursive (Strict, FailEarly), cannot open source dir" $
+      copyDirRecursive' "noPerms/inputDir"
+                        "foo"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyDirRecursive, destination dir already exists" $
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "alreadyExistsD")
+    it "copyDirRecursive (Strict, FailEarly), destination dir already exists" $
+      copyDirRecursive' "inputDir"
+                        "alreadyExistsD"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 
-    it "copyDirRecursive, destination already exists and is a file" $
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "alreadyExists")
+    it "copyDirRecursive (Strict, FailEarly), destination already exists and is a file" $
+      copyDirRecursive' "inputDir"
+                        "alreadyExists"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 
-    it "copyDirRecursive, wrong input (regular file)" $
-      copyDirRecursive' (specDir `ba` "wrongInput")
-                        (specDir `ba` "outputDir")
+    it "copyDirRecursive (Strict, FailEarly), wrong input (regular file)" $
+      copyDirRecursive' "wrongInput"
+                        "outputDir"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
-    it "copyDirRecursive, wrong input (symlink to directory)" $
-      copyDirRecursive' (specDir `ba` "wrongInputSymL")
-                        (specDir `ba` "outputDir")
+    it "copyDirRecursive (Strict, FailEarly), wrong input (symlink to directory)" $
+      copyDirRecursive' "wrongInputSymL"
+                        "outputDir"
+                        Strict
+                        FailEarly
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
     -- custom failures
-    it "copyDirRecursive, destination in source" $
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "inputDir/foo")
+    it "copyDirRecursive (Strict, FailEarly), destination in source" $
+      copyDirRecursive' "inputDir"
+                        "inputDir/foo"
+                        Strict
+                        FailEarly
         `shouldThrow`
         isDestinationInSource
 
-    it "copyDirRecursive, destination and source same directory" $
-      copyDirRecursive' (specDir `ba` "inputDir")
-                        (specDir `ba` "inputDir")
+    it "copyDirRecursive (Strict, FailEarly), destination and source same directory" $
+      copyDirRecursive' "inputDir"
+                        "inputDir"
+                        Strict
+                        FailEarly
         `shouldThrow`
         isSameFile
+
+

test/HPath/IO/CopyFileOverwriteSpec.hs

@@ -4,6 +4,7 @@ module HPath.IO.CopyFileOverwriteSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -16,94 +17,132 @@ import GHC.IO.Exception
 import System.Exit
 import System.Process
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
+import Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/copyFileOverwriteSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CopyFileOverwriteSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "inputFile"
+  createRegularFile' "alreadyExists"
+  createSymlink' "inputFileSymL" "inputFile"
+  createDir' "alreadyExistsD"
+  createDir' "noPerms"
+  createRegularFile' "noPerms/inputFile"
+  createDir' "outputDirNoWrite"
+  createDir' "wrongInput"
+  noPerms "noPerms"
+  noWritableDirPerms "outputDirNoWrite"
+  writeFile' "inputFile" "Blahfaselgagaga"
+  writeFile' "alreadyExists" "dsaldsalkaklsdlkasksdadasl"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "outputDirNoWrite"
+  deleteFile' "noPerms/inputFile"
+  deleteFile' "inputFile"
+  deleteFile' "alreadyExists"
+  deleteFile' "inputFileSymL"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "noPerms"
+  deleteDir' "outputDirNoWrite"
+  deleteDir' "wrongInput"
 
 
 spec :: Spec
-spec =
-  describe "HPath.IO.copyFileOverwrite" $ do
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
+  describe "HPath.IO.copyFile" $ do
 
     -- successes --
-    it "copyFileOverwrite, everything clear" $ do
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                (specDir `ba` "outputFile")
-      removeFileIfExists (specDir `ba` "outputFile")
+    it "copyFile (Overwrite), everything clear" $ do
+      copyFile' "inputFile"
+                "outputFile"
+                Overwrite
+      removeFileIfExists "outputFile"
 
-    it "copyFileOverwrite, output file already exists, all clear" $ do
-      copyFile' (specDir `ba` "alreadyExists") (specDir `ba` "alreadyExists.bak")
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                         (specDir `ba` "alreadyExists")
-      (system $ "cmp -s " ++ specDir' ++ "inputFile" ++ " "
-                          ++ specDir' ++ "alreadyExists")
+    it "copyFile (Overwrite), output file already exists, all clear" $ do
+      tmpDir' <- getRawTmpDir
+      copyFile' "alreadyExists" "alreadyExists.bak" Strict
+      copyFile' "inputFile" "alreadyExists" Overwrite
+      (system $ "cmp -s " ++ toString tmpDir' ++ "inputFile" ++ " "
+                          ++ toString tmpDir' ++ "alreadyExists")
         `shouldReturn` ExitSuccess
-      removeFileIfExists (specDir `ba` "alreadyExists")
-      copyFile' (specDir `ba` "alreadyExists.bak") (specDir `ba` "alreadyExists")
-      removeFileIfExists (specDir `ba` "alreadyExists.bak")
+      removeFileIfExists "alreadyExists"
+      copyFile' "alreadyExists.bak" "alreadyExists" Strict
+      removeFileIfExists "alreadyExists.bak"
 
-    it "copyFileOverwrite, and compare" $ do
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                (specDir `ba` "outputFile")
-      (system $ "cmp -s " ++ specDir' ++ "inputFile" ++ " "
-                          ++ specDir' ++ "outputFile")
+    it "copyFile (Overwrite), and compare" $ do
+      tmpDir' <- getRawTmpDir
+      copyFile' "inputFile"
+                "outputFile"
+                Overwrite
+      (system $ "cmp -s " ++ toString tmpDir' ++ "inputFile" ++ " "
+                          ++ toString tmpDir' ++ "outputFile")
         `shouldReturn` ExitSuccess
-      removeFileIfExists (specDir `ba` "outputFile")
+      removeFileIfExists "outputFile"
+
 
     -- posix failures --
-    it "copyFileOverwrite, input file does not exist" $
-      copyFileOverwrite' (specDir `ba` "noSuchFile")
-                (specDir `ba` "outputFile")
+    it "copyFile (Overwrite), input file does not exist" $
+      copyFile' "noSuchFile"
+                "outputFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
-    it "copyFileOverwrite, no permission to write to output directory" $
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                (specDir `ba` "outputDirNoWrite/outputFile")
+    it "copyFile (Overwrite), no permission to write to output directory" $
+      copyFile' "inputFile"
+                "outputDirNoWrite/outputFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyFileOverwrite, cannot open output directory" $
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                (specDir `ba` "noPerms/outputFile")
+    it "copyFile (Overwrite), cannot open output directory" $
+      copyFile' "inputFile"
+                "noPerms/outputFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyFileOverwrite, cannot open source directory" $
-      copyFileOverwrite' (specDir `ba` "noPerms/inputFile")
-                (specDir `ba` "outputFile")
+    it "copyFile (Overwrite), cannot open source directory" $
+      copyFile' "noPerms/inputFile"
+                "outputFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyFileOverwrite, wrong input type (symlink)" $
-      copyFileOverwrite' (specDir `ba` "inputFileSymL")
-                (specDir `ba` "outputFile")
+    it "copyFile (Overwrite), wrong input type (symlink)" $
+      copyFile' "inputFileSymL"
+                "outputFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
-    it "copyFileOverwrite, wrong input type (directory)" $
-      copyFileOverwrite' (specDir `ba` "wrongInput")
-                (specDir `ba` "outputFile")
+    it "copyFile (Overwrite), wrong input type (directory)" $
+      copyFile' "wrongInput"
+                "outputFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
-    it "copyFileOverwrite, output file already exists and is a dir" $
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                (specDir `ba` "alreadyExistsD")
+    it "copyFile (Overwrite), output file already exists and is a dir" $
+      copyFile' "inputFile"
+                "alreadyExistsD"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     -- custom failures --
-    it "copyFileOverwrite, output and input are same file" $
-      copyFileOverwrite' (specDir `ba` "inputFile")
-                (specDir `ba` "inputFile")
+    it "copyFile (Overwrite), output and input are same file" $
+      copyFile' "inputFile"
+                "inputFile"
+                Overwrite
         `shouldThrow` isSameFile

test/HPath/IO/CopyFileSpec.hs

@@ -1,9 +1,11 @@
 {-# LANGUAGE OverloadedStrings #-}
 
+
 module HPath.IO.CopyFileSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -16,90 +18,126 @@ import GHC.IO.Exception
 import System.Exit
 import System.Process
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
+import Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/copyFileSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CopyFileSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "inputFile"
+  createRegularFile' "alreadyExists"
+  createSymlink' "inputFileSymL" "inputFile"
+  createDir' "alreadyExistsD"
+  createDir' "noPerms"
+  createRegularFile' "noPerms/inputFile"
+  createDir' "outputDirNoWrite"
+  createDir' "wrongInput"
+  noPerms "noPerms"
+  noWritableDirPerms "outputDirNoWrite"
+  writeFile' "inputFile" "Blahfaselgagaga"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "outputDirNoWrite"
+  deleteFile' "noPerms/inputFile"
+  deleteFile' "inputFile"
+  deleteFile' "alreadyExists"
+  deleteFile' "inputFileSymL"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "noPerms"
+  deleteDir' "outputDirNoWrite"
+  deleteDir' "wrongInput"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.copyFile" $ do
 
     -- successes --
-    it "copyFile, everything clear" $ do
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "outputFile")
-      removeFileIfExists (specDir `ba` "outputFile")
+    it "copyFile (Strict), everything clear" $ do
+      copyFile' "inputFile"
+                "outputFile"
+                Strict
+      removeFileIfExists "outputFile"
 
-    it "copyFile, and compare" $ do
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "outputFile")
-      (system $ "cmp -s " ++ specDir' ++ "inputFile" ++ " "
-                          ++ specDir' ++ "outputFile")
+    it "copyFile (Strict), and compare" $ do
+      tmpDir' <- getRawTmpDir
+      copyFile' "inputFile"
+                "outputFile"
+                Strict
+      (system $ "cmp -s " ++ toString tmpDir' ++ "inputFile" ++ " "
+                          ++ toString tmpDir' ++ "outputFile")
         `shouldReturn` ExitSuccess
-      removeFileIfExists (specDir `ba` "outputFile")
+      removeFileIfExists "outputFile"
 
     -- posix failures --
-    it "copyFile, input file does not exist" $
-      copyFile' (specDir `ba` "noSuchFile")
-                (specDir `ba` "outputFile")
+    it "copyFile (Strict), input file does not exist" $
+      copyFile' "noSuchFile"
+                "outputFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
-    it "copyFile, no permission to write to output directory" $
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "outputDirNoWrite/outputFile")
+    it "copyFile (Strict), no permission to write to output directory" $
+      copyFile' "inputFile"
+                "outputDirNoWrite/outputFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyFile, cannot open output directory" $
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "noPerms/outputFile")
+    it "copyFile (Strict), cannot open output directory" $
+      copyFile' "inputFile"
+                "noPerms/outputFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyFile, cannot open source directory" $
-      copyFile' (specDir `ba` "noPerms/inputFile")
-                (specDir `ba` "outputFile")
+    it "copyFile (Strict), cannot open source directory" $
+      copyFile' "noPerms/inputFile"
+                "outputFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "copyFile, wrong input type (symlink)" $
-      copyFile' (specDir `ba` "inputFileSymL")
-                (specDir `ba` "outputFile")
+    it "copyFile (Strict), wrong input type (symlink)" $
+      copyFile' "inputFileSymL"
+                "outputFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
-    it "copyFile, wrong input type (directory)" $
-      copyFile' (specDir `ba` "wrongInput")
-                (specDir `ba` "outputFile")
+    it "copyFile (Strict), wrong input type (directory)" $
+      copyFile' "wrongInput"
+                "outputFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
-    it "copyFile, output file already exists" $
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "alreadyExists")
+    it "copyFile (Strict), output file already exists" $
+      copyFile' "inputFile"
+                "alreadyExists"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 
-    it "copyFile, output file already exists and is a dir" $
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "alreadyExistsD")
+    it "copyFile (Strict), output file already exists and is a dir" $
+      copyFile' "inputFile"
+                "alreadyExistsD"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 
     -- custom failures --
-    it "copyFile, output and input are same file" $
-      copyFile' (specDir `ba` "inputFile")
-                (specDir `ba` "inputFile")
+    it "copyFile (Strict), output and input are same file" $
+      copyFile' "inputFile"
+                "inputFile"
+                Strict
         `shouldThrow`
         isSameFile

test/HPath/IO/CreateDirSpec.hs

@@ -13,42 +13,55 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/createDirSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CreateDirSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+setupFiles :: IO ()
+setupFiles = do
+  createDir' "alreadyExists"
+  createDir' "noPerms"
+  createDir' "noWritePerms"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerms"
+
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerms"
+  deleteDir' "alreadyExists"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerms"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.createDir" $ do
 
     -- successes --
     it "createDir, all fine" $ do
-      createDir' (specDir `ba` "newDir")
-      removeDirIfExists (specDir `ba` "newDir")
+      createDir' "newDir"
+      removeDirIfExists "newDir"
 
     -- posix failures --
     it "createDir, can't write to output directory" $
-      createDir' (specDir `ba` "noWritePerms/newDir")
+      createDir' "noWritePerms/newDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     it "createDir, can't open output directory" $
-      createDir' (specDir `ba` "noPerms/newDir")
+      createDir' "noPerms/newDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     it "createDir, destination directory already exists" $
-      createDir' (specDir `ba` "alreadyExists")
+      createDir' "alreadyExists"
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 

test/HPath/IO/CreateRegularFileSpec.hs

@@ -13,42 +13,53 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/createRegularFileSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CreateRegularFileSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "alreadyExists"
+  createDir' "noPerms"
+  createDir' "noWritePerms"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerms"
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerms"
+  deleteFile' "alreadyExists"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerms"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.createRegularFile" $ do
 
     -- successes --
     it "createRegularFile, all fine" $ do
-      createRegularFile' (specDir `ba` "newDir")
-      removeFileIfExists (specDir `ba` "newDir")
+      createRegularFile' "newDir"
+      removeFileIfExists "newDir"
 
     -- posix failures --
     it "createRegularFile, can't write to destination directory" $
-      createRegularFile' (specDir `ba` "noWritePerms/newDir")
+      createRegularFile' "noWritePerms/newDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     it "createRegularFile, can't write to destination directory" $
-      createRegularFile' (specDir `ba` "noPerms/newDir")
+      createRegularFile' "noPerms/newDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     it "createRegularFile, destination file already exists" $
-      createRegularFile' (specDir `ba` "alreadyExists")
+      createRegularFile' "alreadyExists"
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 

test/HPath/IO/CreateSymlinkSpec.hs

@@ -0,0 +1,66 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module HPath.IO.CreateSymlinkSpec where
+
+
+import Test.Hspec
+import System.IO.Error
+  (
+    ioeGetErrorType
+  )
+import GHC.IO.Exception
+  (
+    IOErrorType(..)
+  )
+import Utils
+
+
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "CreateSymlinkSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "alreadyExists"
+  createDir' "noPerms"
+  createDir' "noWritePerms"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerms"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerms"
+  deleteFile' "alreadyExists"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerms"
+
+
+spec :: Spec
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
+  describe "HPath.IO.createSymlink" $ do
+
+    -- successes --
+    it "createSymlink, all fine" $ do
+      createSymlink' "newSymL" "alreadyExists/"
+      removeFileIfExists "newSymL"
+
+    -- posix failures --
+    it "createSymlink, can't write to destination directory" $
+      createSymlink' "noWritePerms/newDir" "lala"
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "createSymlink, can't write to destination directory" $
+      createSymlink' "noPerms/newDir" "lala"
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "createSymlink, destination file already exists" $
+      createSymlink' "alreadyExists" "lala"
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == AlreadyExists)
+

test/HPath/IO/DeleteDirRecursiveSpec.hs

@@ -17,80 +17,99 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/deleteDirRecursiveSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "DeleteDirRecursiveSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "file"
+  createDir' "dir"
+  createRegularFile' "dir/.keep"
+  createSymlink' "dirSym" "dir/"
+  createDir' "noPerms"
+  createRegularFile' "noPerms/.keep"
+  createDir' "noWritable"
+  createRegularFile' "noWritable/.keep"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  deleteFile' "file"
+  deleteFile' "dir/.keep"
+  deleteDir' "dir"
+  deleteFile' "dirSym"
+  deleteFile' "noPerms/.keep"
+  deleteDir' "noPerms"
+  deleteFile' "noWritable/.keep"
+  deleteDir' "noWritable"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.deleteDirRecursive" $ do
 
     -- successes --
     it "deleteDirRecursive, empty directory, all fine" $ do
-      createDir' (specDir `ba` "testDir")
-      deleteDirRecursive' (specDir `ba` "testDir")
-      getSymbolicLinkStatus (specDir `ba` "testDir")
+      createDir' "testDir"
+      deleteDirRecursive' "testDir"
+      getSymbolicLinkStatus "testDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "deleteDirRecursive, empty directory with null permissions, all fine" $ do
-      createDir' (specDir `ba` "noPerms/testDir")
-      noPerms (specDir `ba` "noPerms/testDir")
-      deleteDirRecursive' (specDir `ba` "noPerms/testDir")
+      createDir' "noPerms/testDir"
+      noPerms "noPerms/testDir"
+      deleteDirRecursive' "noPerms/testDir"
 
     it "deleteDirRecursive, non-empty directory, all fine" $ do
-      createDir' (specDir `ba` "nonEmpty")
-      createDir' (specDir `ba` "nonEmpty/dir1")
-      createDir' (specDir `ba` "nonEmpty/dir2")
-      createDir' (specDir `ba` "nonEmpty/dir2/dir3")
-      createRegularFile' (specDir `ba` "nonEmpty/file1")
-      createRegularFile' (specDir `ba` "nonEmpty/dir1/file2")
-      deleteDirRecursive' (specDir `ba` "nonEmpty")
-      getSymbolicLinkStatus (specDir `ba` "nonEmpty")
+      createDir' "nonEmpty"
+      createDir' "nonEmpty/dir1"
+      createDir' "nonEmpty/dir2"
+      createDir' "nonEmpty/dir2/dir3"
+      createRegularFile' "nonEmpty/file1"
+      createRegularFile' "nonEmpty/dir1/file2"
+      deleteDirRecursive' "nonEmpty"
+      getSymbolicLinkStatus "nonEmpty"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     -- posix failures --
     it "deleteDirRecursive, can't open parent directory" $ do
-      createDir' (specDir `ba` "noPerms/foo")
-      noPerms (specDir `ba` "noPerms")
-      (deleteDirRecursive' (specDir `ba` "noPerms/foo")
+      createDir' "noPerms/foo"
+      noPerms "noPerms"
+      (deleteDirRecursive' "noPerms/foo")
         `shouldThrow`
-        (\e -> ioeGetErrorType e == PermissionDenied))
-        >> normalDirPerms (specDir `ba` "noPerms")
-        >> deleteDir' (specDir `ba` "noPerms/foo")
+        (\e -> ioeGetErrorType e == PermissionDenied)
+      normalDirPerms "noPerms"
+      deleteDir' "noPerms/foo"
 
     it "deleteDirRecursive, can't write to parent directory" $ do
-      createDir' (specDir `ba` "noWritable/foo")
-      noWritableDirPerms (specDir `ba` "noWritable")
-      (deleteDirRecursive' (specDir `ba` "noWritable/foo")
+      createDir' "noWritable/foo"
+      noWritableDirPerms "noWritable"
+      (deleteDirRecursive' "noWritable/foo")
         `shouldThrow`
-        (\e -> ioeGetErrorType e == PermissionDenied))
-      normalDirPerms (specDir `ba` "noWritable")
-      deleteDir' (specDir `ba` "noWritable/foo")
+        (\e -> ioeGetErrorType e == PermissionDenied)
+      normalDirPerms "noWritable"
+      deleteDir' "noWritable/foo"
 
     it "deleteDirRecursive, wrong file type (symlink to directory)" $
-      deleteDirRecursive' (specDir `ba` "dirSym")
+      deleteDirRecursive' "dirSym"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     it "deleteDirRecursive, wrong file type (regular file)" $
-      deleteDirRecursive' (specDir `ba` "file")
+      deleteDirRecursive' "file"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     it "deleteDirRecursive, directory does not exist" $
-      deleteDirRecursive' (specDir `ba` "doesNotExist")
+      deleteDirRecursive' "doesNotExist"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 

test/HPath/IO/DeleteDirSpec.hs

@@ -17,78 +17,98 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/deleteDirSpec/"
 
-specDir' :: String
-specDir' = toString specDir
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "DeleteDirSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "file"
+  createDir' "dir"
+  createRegularFile' "dir/.keep"
+  createSymlink' "dirSym" "dir/"
+  createDir' "noPerms"
+  createRegularFile' "noPerms/.keep"
+  createDir' "noWritable"
+  createRegularFile' "noWritable/.keep"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  deleteFile' "file"
+  deleteFile' "dir/.keep"
+  deleteDir' "dir"
+  deleteFile' "dirSym"
+  deleteFile' "noPerms/.keep"
+  deleteDir' "noPerms"
+  deleteFile' "noWritable/.keep"
+  deleteDir' "noWritable"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.deleteDir" $ do
 
     -- successes --
     it "deleteDir, empty directory, all fine" $ do
-      createDir' (specDir `ba` "testDir")
-      deleteDir' (specDir `ba` "testDir")
-      getSymbolicLinkStatus (specDir `ba` "testDir")
+      createDir' "testDir"
+      deleteDir' "testDir"
+      getSymbolicLinkStatus "testDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "deleteDir, directory with null permissions, all fine" $ do
-      createDir' (specDir `ba` "noPerms/testDir")
-      noPerms (specDir `ba` "noPerms/testDir")
-      deleteDir' (specDir `ba` "noPerms/testDir")
-      getSymbolicLinkStatus (specDir `ba` "testDir")
+      createDir' "noPerms/testDir"
+      noPerms "noPerms/testDir"
+      deleteDir' "noPerms/testDir"
+      getSymbolicLinkStatus "testDir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     -- posix failures --
     it "deleteDir, wrong file type (symlink to directory)" $
-      deleteDir' (specDir `ba` "dirSym")
+      deleteDir' "dirSym"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     it "deleteDir, wrong file type (regular file)" $
-      deleteDir' (specDir `ba` "file")
+      deleteDir' "file"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     it "deleteDir, directory does not exist" $
-      deleteDir' (specDir `ba` "doesNotExist")
+      deleteDir' "doesNotExist"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "deleteDir, directory not empty" $
-      deleteDir' (specDir `ba` "dir")
+      deleteDir' "dir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == UnsatisfiedConstraints)
 
     it "deleteDir, can't open parent directory" $ do
-      createDir' (specDir `ba` "noPerms/foo")
-      noPerms (specDir `ba` "noPerms")
-      (deleteDir' (specDir `ba` "noPerms/foo")
+      createDir' "noPerms/foo"
+      noPerms "noPerms"
+      (deleteDir' "noPerms/foo")
         `shouldThrow`
-        (\e -> ioeGetErrorType e == PermissionDenied))
-        >> normalDirPerms (specDir `ba` "noPerms")
-        >> deleteDir' (specDir `ba` "noPerms/foo")
+        (\e -> ioeGetErrorType e == PermissionDenied)
+      normalDirPerms "noPerms"
+      deleteDir' "noPerms/foo"
 
     it "deleteDir, can't write to parent directory, still fine" $ do
-      createDir' (specDir `ba` "noWritable/foo")
-      noWritableDirPerms (specDir `ba` "noWritable")
-      (deleteDir' (specDir `ba` "noWritable/foo")
+      createDir' "noWritable/foo"
+      noWritableDirPerms "noWritable"
+      (deleteDir' "noWritable/foo")
         `shouldThrow`
-        (\e -> ioeGetErrorType e == PermissionDenied))
-      normalDirPerms (specDir `ba` "noWritable")
-      deleteDir' (specDir `ba` "noWritable/foo")
+        (\e -> ioeGetErrorType e == PermissionDenied)
+      normalDirPerms "noWritable"
+      deleteDir' "noWritable/foo"
 
 
 

test/HPath/IO/DeleteFileSpec.hs

@@ -4,6 +4,7 @@ module HPath.IO.DeleteFileSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import System.IO.Error
   (
     ioeGetErrorType
@@ -17,53 +18,67 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "DeleteFileSpec"
+  createTmpDir
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/deleteFileSpec/"
 
-specDir' :: String
-specDir' = toString specDir
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "foo"
+  createSymlink' "syml" "foo"
+  createDir' "dir"
+  createDir' "noPerms"
+  noPerms "noPerms"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  deleteFile' "foo"
+  deleteFile' "syml"
+  deleteDir' "dir"
+  deleteDir' "noPerms"
+
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.deleteFile" $ do
 
     -- successes --
     it "deleteFile, regular file, all fine" $ do
-      createRegularFile' (specDir `ba` "testFile")
-      deleteFile' (specDir `ba` "testFile")
-      getSymbolicLinkStatus (specDir `ba` "testFile")
+      createRegularFile' "testFile"
+      deleteFile' "testFile"
+      getSymbolicLinkStatus "testFile"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "deleteFile, symlink, all fine" $ do
-      recreateSymlink' (specDir `ba` "syml")
-                       (specDir `ba` "testFile")
-      deleteFile' (specDir `ba` "testFile")
-      getSymbolicLinkStatus (specDir `ba` "testFile")
+      recreateSymlink' "syml"
+                       "testFile"
+                       Strict
+      deleteFile' "testFile"
+      getSymbolicLinkStatus "testFile"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     -- posix failures --
     it "deleteFile, wrong file type (directory)" $
-      deleteFile' (specDir `ba` "dir")
+      deleteFile' "dir"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     it "deleteFile, file does not exist" $
-      deleteFile' (specDir `ba` "doesNotExist")
+      deleteFile' "doesNotExist"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "deleteFile, can't read directory" $
-      deleteFile' (specDir `ba` "noPerms/blah")
+      deleteFile' "noPerms/blah"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 

test/HPath/IO/GetDirsFilesSpec.hs

@@ -3,87 +3,95 @@
 module HPath.IO.GetDirsFilesSpec where
 
 
-import Control.Applicative
-  (
-    (<$>)
-  )
 import Data.List
   (
     sort
   )
-import Data.Maybe
-  (
-    fromJust
-  )
 import qualified HPath as P
+import HPath.IO
 import Test.Hspec
 import System.IO.Error
   (
     ioeGetErrorType
   )
-import System.Posix.Env.ByteString
-  (
-    getEnv
-  )
 import GHC.IO.Exception
   (
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "GetDirsFilesSpec"
+  createTmpDir
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/getDirsFilesSpec/"
 
-specDir' :: String
-specDir' = toString specDir
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "file"
+  createRegularFile' "Lala"
+  createRegularFile' ".hidden"
+  createSymlink' "syml" "Lala"
+  createDir' "dir"
+  createSymlink' "dirsym" "dir"
+  createDir' "noPerms"
+  noPerms "noPerms"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  deleteFile' "file"
+  deleteFile' "Lala"
+  deleteFile' ".hidden"
+  deleteFile' "syml"
+  deleteDir' "dir"
+  deleteFile' "dirsym"
+  deleteDir' "noPerms"
+
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.getDirsFiles" $ do
 
     -- successes --
-    it "getDirsFiles, all fine" $ do
-      pwd <- fromJust <$> getEnv "PWD" >>= P.parseAbs
-      expectedFiles <- mapM P.parseRel [(specDir `ba ` ".hidden")
-                                       ,(specDir `ba ` "Lala")
-                                       ,(specDir `ba ` "dir")
-                                       ,(specDir `ba ` "dirsym")
-                                       ,(specDir `ba ` "file")
-                                       ,(specDir `ba ` "noPerms")
-                                       ,(specDir `ba ` "syml")]
-      (fmap sort $ getDirsFiles' specDir)
-        `shouldReturn` fmap (pwd P.</>) expectedFiles
+    it "getDirsFiles, all fine" $
+      withRawTmpDir $ \p -> do
+      expectedFiles <- mapM P.parseRel [".hidden"
+                                       ,"Lala"
+                                       ,"dir"
+                                       ,"dirsym"
+                                       ,"file"
+                                       ,"noPerms"
+                                       ,"syml"]
+      (fmap sort $ getDirsFiles p)
+        `shouldReturn` fmap (p P.</>) expectedFiles
 
     -- posix failures --
     it "getDirsFiles, nonexistent directory" $
-      getDirsFiles' (specDir `ba ` "nothingHere")
+      getDirsFiles' "nothingHere"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "getDirsFiles, wrong file type (file)" $
-      getDirsFiles' (specDir `ba ` "file")
+      getDirsFiles' "file"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InappropriateType)
 
     it "getDirsFiles, wrong file type (symlink to file)" $
-      getDirsFiles' (specDir `ba ` "syml")
+      getDirsFiles' "syml"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
     it "getDirsFiles, wrong file type (symlink to dir)" $
-      getDirsFiles' (specDir `ba ` "dirsym")
+      getDirsFiles' "dirsym"
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
     it "getDirsFiles, can't open directory" $
-      getDirsFiles' (specDir `ba ` "noPerms")
+      getDirsFiles' "noPerms"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 

test/HPath/IO/GetFileTypeSpec.hs

@@ -14,57 +14,75 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/getFileTypeSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "GetFileTypeSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "regularfile"
+  createSymlink' "symlink" "regularfile"
+  createSymlink' "brokenSymlink" "broken"
+  createDir' "directory"
+  createSymlink' "symlinkD" "directory"
+  createDir' "noPerms"
+  noPerms "noPerms"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  deleteFile' "regularfile"
+  deleteFile' "symlink"
+  deleteFile' "brokenSymlink"
+  deleteDir' "directory"
+  deleteFile' "symlinkD"
+  deleteDir' "noPerms"
 
-specDir' :: String
-specDir' = toString specDir
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.getFileType" $ do
 
     -- successes --
     it "getFileType, regular file" $
-      getFileType' (specDir `ba` "regularfile")
+      getFileType' "regularfile"
         `shouldReturn` RegularFile
 
     it "getFileType, directory" $
-      getFileType' (specDir `ba` "directory")
+      getFileType' "directory"
         `shouldReturn` Directory
 
     it "getFileType, directory with null permissions" $
-      getFileType' (specDir `ba` "noPerms")
+      getFileType' "noPerms"
         `shouldReturn` Directory
 
     it "getFileType, symlink to file" $
-      getFileType' (specDir `ba` "symlink")
+      getFileType' "symlink"
         `shouldReturn` SymbolicLink
 
     it "getFileType, symlink to directory" $
-      getFileType' (specDir `ba` "symlinkD")
+      getFileType' "symlinkD"
         `shouldReturn` SymbolicLink
 
     it "getFileType, broken symlink" $
-      getFileType' (specDir `ba` "brokenSymlink")
+      getFileType' "brokenSymlink"
         `shouldReturn` SymbolicLink
 
     -- posix failures --
     it "getFileType, file does not exist" $
-      getFileType' (specDir `ba` "nothingHere")
+      getFileType' "nothingHere"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "getFileType, can't open directory" $
-      getFileType' (specDir `ba` "noPerms/forz")
+      getFileType' "noPerms/forz"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 

test/HPath/IO/MoveFileOverwriteSpec.hs

@@ -4,6 +4,7 @@ module HPath.IO.MoveFileOverwriteSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -14,80 +15,112 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/moveFileOverwriteSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "MoveFileOverwriteSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "myFile"
+  createSymlink' "myFileL" "myFile"
+  createDir' "alreadyExistsD"
+  createDir' "dir"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+  writeFile' "myFile" "Blahfaselgagaga"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "myFile"
+  deleteFile' "myFileL"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "dir"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
 
-specDir' :: String
-specDir' = toString specDir
 
 
 spec :: Spec
-spec =
-  describe "HPath.IO.moveFileOverwrite" $ do
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
+  describe "HPath.IO.moveFile" $ do
 
     -- successes --
-    it "moveFileOverwrite, all fine" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "movedFile")
+    it "moveFile (Overwrite), all fine" $
+      moveFile' "myFile"
+                "movedFile"
+                Overwrite
 
-    it "moveFileOverwrite, all fine" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "dir/movedFile")
+    it "moveFile (Overwrite), all fine" $
+      moveFile' "myFile"
+                "dir/movedFile"
+                Overwrite
 
-    it "moveFileOverwrite, all fine on symlink" $
-      moveFileOverwrite' (specDir `ba` "myFileL")
-                         (specDir `ba` "movedFile")
+    it "moveFile (Overwrite), all fine on symlink" $
+      moveFile' "myFileL"
+                "movedFile"
+                Overwrite
 
-    it "moveFileOverwrite, all fine on directory" $
-      moveFileOverwrite' (specDir `ba` "dir")
-                         (specDir `ba` "movedFile")
+    it "moveFile (Overwrite), all fine on directory" $
+      moveFile' "dir"
+                "movedFile"
+                Overwrite
 
-    it "moveFileOverwrite, destination file already exists" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "alreadyExists")
+    it "moveFile (Overwrite), destination file already exists" $
+      moveFile' "myFile"
+                "alreadyExists"
+                Overwrite
 
     -- posix failures --
-    it "moveFileOverwrite, source file does not exist" $
-      moveFileOverwrite' (specDir `ba` "fileDoesNotExist")
-                         (specDir `ba` "movedFile")
+    it "moveFile (Overwrite), source file does not exist" $
+      moveFile' "fileDoesNotExist"
+                "movedFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
-    it "moveFileOverwrite, can't write to destination directory" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "noWritePerm/movedFile")
+    it "moveFile (Overwrite), can't write to destination directory" $
+      moveFile' "myFile"
+                "noWritePerm/movedFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "moveFileOverwrite, can't open destination directory" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "noPerms/movedFile")
+    it "moveFile (Overwrite), can't open destination directory" $
+      moveFile' "myFile"
+                "noPerms/movedFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "moveFileOverwrite, can't open source directory" $
-      moveFileOverwrite' (specDir `ba` "noPerms/myFile")
-                         (specDir `ba` "movedFile")
+    it "moveFile (Overwrite), can't open source directory" $
+      moveFile' "noPerms/myFile"
+                "movedFile"
+                Overwrite
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     -- custom failures --
-    it "moveFileOverwrite, move from file to dir" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "alreadyExistsD")
+
+    it "moveFile (Overwrite), move from file to dir" $
+      moveFile' "myFile"
+                "alreadyExistsD"
+                Overwrite
         `shouldThrow`
         isDirDoesExist
 
-    it "moveFileOverwrite, source and dest are same file" $
-      moveFileOverwrite' (specDir `ba` "myFile")
-                         (specDir `ba` "myFile")
+    it "moveFile (Overwrite), source and dest are same file" $
+      moveFile' "myFile"
+                "myFile"
+                Overwrite
         `shouldThrow`
         isSameFile
-

test/HPath/IO/MoveFileSpec.hs

@@ -4,6 +4,7 @@ module HPath.IO.MoveFileSpec where
 
 
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -14,82 +15,115 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/moveFileSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "MoveFileSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "myFile"
+  createSymlink' "myFileL" "myFile"
+  createRegularFile' "alreadyExists"
+  createDir' "alreadyExistsD"
+  createDir' "dir"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+  writeFile' "myFile" "Blahfaselgagaga"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "myFile"
+  deleteFile' "myFileL"
+  deleteFile' "alreadyExists"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "dir"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
 
-specDir' :: String
-specDir' = toString specDir
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.moveFile" $ do
 
     -- successes --
-    it "moveFile, all fine" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "movedFile")
+    it "moveFile (Strict), all fine" $
+      moveFile' "myFile"
+                "movedFile"
+                Strict
 
-    it "moveFile, all fine" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "dir/movedFile")
+    it "moveFile (Strict), all fine" $
+      moveFile' "myFile"
+                "dir/movedFile"
+                Strict
 
-    it "moveFile, all fine on symlink" $
-      moveFile' (specDir `ba` "myFileL")
-                (specDir `ba` "movedFile")
+    it "moveFile (Strict), all fine on symlink" $
+      moveFile' "myFileL"
+                "movedFile"
+                Strict
 
-    it "moveFile, all fine on directory" $
-      moveFile' (specDir `ba` "dir")
-                (specDir `ba` "movedFile")
+    it "moveFile (Strict), all fine on directory" $
+      moveFile' "dir"
+                "movedFile"
+                Strict
 
     -- posix failures --
-    it "moveFile, source file does not exist" $
-      moveFile' (specDir `ba` "fileDoesNotExist")
-                (specDir `ba` "movedFile")
+    it "moveFile (Strict), source file does not exist" $
+      moveFile' "fileDoesNotExist"
+                "movedFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
-    it "moveFile, can't write to destination directory" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "noWritePerm/movedFile")
+    it "moveFile (Strict), can't write to destination directory" $
+      moveFile' "myFile"
+                "noWritePerm/movedFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "moveFile, can't open destination directory" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "noPerms/movedFile")
+    it "moveFile (Strict), can't open destination directory" $
+      moveFile' "myFile"
+                "noPerms/movedFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "moveFile, can't open source directory" $
-      moveFile' (specDir `ba` "noPerms/myFile")
-                (specDir `ba` "movedFile")
+    it "moveFile (Strict), can't open source directory" $
+      moveFile' "noPerms/myFile"
+                "movedFile"
+                Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     -- custom failures --
-    it "moveFile, destination file already exists" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "alreadyExists")
+    it "moveFile (Strict), destination file already exists" $
+      moveFile' "myFile"
+                "alreadyExists"
+                Strict
         `shouldThrow`
         isFileDoesExist
 
-    it "moveFile, move from file to dir" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "alreadyExistsD")
+    it "moveFile (Strict), move from file to dir" $
+      moveFile' "myFile"
+                "alreadyExistsD"
+                Strict
         `shouldThrow`
         isDirDoesExist
 
-    it "moveFile, source and dest are same file" $
-      moveFile' (specDir `ba` "myFile")
-                (specDir `ba` "myFile")
+    it "moveFile (Strict), source and dest are same file" $
+      moveFile' "myFile"
+                "myFile"
+                Strict
         `shouldThrow`
         isSameFile
-

test/HPath/IO/RecreateSymlinkOverwriteSpec.hs

@@ -0,0 +1,139 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module HPath.IO.RecreateSymlinkOverwriteSpec where
+
+
+-- TODO: exception if destination exists but is not a file + `OverWrite` CopyMode
+
+
+import Test.Hspec
+import HPath.IO
+import HPath.IO.Errors
+import System.IO.Error
+  (
+    ioeGetErrorType
+  )
+import GHC.IO.Exception
+  (
+    IOErrorType(..)
+  )
+import Utils
+
+
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "RecreateSymlinkOverwriteSpec"
+  createTmpDir
+
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "myFile"
+  createSymlink' "myFileL" "myFile"
+  createRegularFile' "alreadyExists"
+  createDir' "alreadyExistsD"
+  createDir' "dir"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+  createDir' "alreadyExistsD2"
+  createRegularFile' "alreadyExistsD2/lala"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+  writeFile' "myFile" "Blahfaselgagaga"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "myFile"
+  deleteFile' "myFileL"
+  deleteFile' "alreadyExists"
+  deleteFile' "alreadyExistsD2/lala"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "alreadyExistsD2"
+  deleteDir' "dir"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
+
+
+spec :: Spec
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
+  describe "HPath.IO.recreateSymlink" $ do
+
+    -- successes --
+    it "recreateSymLink (Overwrite), all fine" $ do
+      recreateSymlink' "myFileL"
+                       "movedFile"
+                       Overwrite
+      removeFileIfExists "movedFile"
+
+    it "recreateSymLink (Overwrite), all fine" $ do
+      recreateSymlink' "myFileL"
+                       "dir/movedFile"
+                       Overwrite
+      removeFileIfExists "dir/movedFile"
+
+    it "recreateSymLink (Overwrite), destination file already exists" $
+      recreateSymlink' "myFileL"
+                       "alreadyExists"
+                       Overwrite
+
+    it "recreateSymLink (Overwrite), destination already exists and is an empty dir" $ do
+      recreateSymlink' "myFileL"
+                       "alreadyExistsD"
+                       Overwrite
+      deleteFile' "alreadyExistsD"
+      createDir' "alreadyExistsD"
+
+    -- posix failures --
+    it "recreateSymLink (Overwrite), destination already exists and is a non-empty dir" $
+      recreateSymlink' "myFileL"
+                       "alreadyExistsD2"
+                       Overwrite
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == UnsatisfiedConstraints)
+
+    it "recreateSymLink (Overwrite), wrong input type (file)" $
+      recreateSymlink' "myFile"
+                       "movedFile"
+                       Overwrite
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == InvalidArgument)
+
+    it "recreateSymLink (Overwrite), wrong input type (directory)" $
+      recreateSymlink' "dir"
+                       "movedFile"
+                       Overwrite
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == InvalidArgument)
+
+    it "recreateSymLink (Overwrite), can't write to destination directory" $
+      recreateSymlink' "myFileL"
+                       "noWritePerm/movedFile"
+                       Overwrite
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "recreateSymLink (Overwrite), can't open destination directory" $
+      recreateSymlink' "myFileL"
+                       "noPerms/movedFile"
+                       Overwrite
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    it "recreateSymLink (Overwrite), can't open source directory" $
+      recreateSymlink' "noPerms/myFileL"
+                       "movedFile"
+                       Overwrite
+        `shouldThrow`
+        (\e -> ioeGetErrorType e == PermissionDenied)
+
+    -- custom failures --
+    it "recreateSymLink (Overwrite), source and destination are the same file" $
+      recreateSymlink' "myFileL"
+                       "myFileL"
+                       Overwrite
+        `shouldThrow`
+        isSameFile
+

test/HPath/IO/RecreateSymlinkSpec.hs

@@ -3,7 +3,10 @@
 module HPath.IO.RecreateSymlinkSpec where
 
 
+
+
 import Test.Hspec
+import HPath.IO
 import HPath.IO.Errors
 import System.IO.Error
   (
@@ -14,82 +17,114 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/recreateSymlinkSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "RecreateSymlinkSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "myFile"
+  createSymlink' "myFileL" "myFile"
+  createRegularFile' "alreadyExists"
+  createDir' "alreadyExistsD"
+  createDir' "dir"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+  writeFile' "myFile" "Blahfaselgagaga"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "myFile"
+  deleteFile' "myFileL"
+  deleteFile' "alreadyExists"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "dir"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.recreateSymlink" $ do
 
     -- successes --
-    it "recreateSymLink, all fine" $ do
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "movedFile")
-      removeFileIfExists (specDir `ba` "movedFile")
+    it "recreateSymLink (Strict), all fine" $ do
+      recreateSymlink' "myFileL"
+                       "movedFile"
+                       Strict
+      removeFileIfExists "movedFile"
 
-    it "recreateSymLink, all fine" $ do
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "dir/movedFile")
-      removeFileIfExists (specDir `ba` "dir/movedFile")
+    it "recreateSymLink (Strict), all fine" $ do
+      recreateSymlink' "myFileL"
+                       "dir/movedFile"
+                       Strict
+      removeFileIfExists "dir/movedFile"
 
     -- posix failures --
-    it "recreateSymLink, wrong input type (file)" $
-      recreateSymlink' (specDir `ba` "myFile")
-                       (specDir `ba` "movedFile")
+    it "recreateSymLink (Strict), wrong input type (file)" $
+      recreateSymlink' "myFile"
+                       "movedFile"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
-    it "recreateSymLink, wrong input type (directory)" $
-      recreateSymlink' (specDir `ba` "dir")
-                       (specDir `ba` "movedFile")
+    it "recreateSymLink (Strict), wrong input type (directory)" $
+      recreateSymlink' "dir"
+                       "movedFile"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == InvalidArgument)
 
-    it "recreateSymLink, can't write to destination directory" $
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "noWritePerm/movedFile")
+    it "recreateSymLink (Strict), can't write to destination directory" $
+      recreateSymlink' "myFileL"
+                       "noWritePerm/movedFile"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "recreateSymLink, can't open destination directory" $
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "noPerms/movedFile")
+    it "recreateSymLink (Strict), can't open destination directory" $
+      recreateSymlink' "myFileL"
+                       "noPerms/movedFile"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "recreateSymLink, can't open source directory" $
-      recreateSymlink' (specDir `ba` "noPerms/myFileL")
-                       (specDir `ba` "movedFile")
+    it "recreateSymLink (Strict), can't open source directory" $
+      recreateSymlink' "noPerms/myFileL"
+                       "movedFile"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
-    it "recreateSymLink, destination file already exists" $
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "alreadyExists")
+    it "recreateSymLink (Strict), destination file already exists" $
+      recreateSymlink' "myFileL"
+                       "alreadyExists"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 
-    it "recreateSymLink, destination already exists and is a dir" $
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "alreadyExistsD")
+    it "recreateSymLink (Strict), destination already exists and is a dir" $
+      recreateSymlink' "myFileL"
+                       "alreadyExistsD"
+                       Strict
         `shouldThrow`
         (\e -> ioeGetErrorType e == AlreadyExists)
 
     -- custom failures --
-    it "recreateSymLink, source and destination are the same file" $
-      recreateSymlink' (specDir `ba` "myFileL")
-                       (specDir `ba` "myFileL")
+    it "recreateSymLink (Strict), source and destination are the same file" $
+      recreateSymlink' "myFileL"
+                       "myFileL"
+                       Strict
         `shouldThrow`
         isSameFile
 

test/HPath/IO/RenameFileSpec.hs

@@ -14,82 +14,104 @@ import GHC.IO.Exception
     IOErrorType(..)
   )
 import Utils
-import qualified Data.ByteString as BS
-import           Data.ByteString.UTF8 (toString)
 
 
-ba :: BS.ByteString -> BS.ByteString -> BS.ByteString
-ba = BS.append
 
-specDir :: BS.ByteString
-specDir = "test/HPath/IO/renameFileSpec/"
+upTmpDir :: IO ()
+upTmpDir = do
+  setTmpDir "RenameFileSpec"
+  createTmpDir
 
-specDir' :: String
-specDir' = toString specDir
+
+setupFiles :: IO ()
+setupFiles = do
+  createRegularFile' "myFile"
+  createSymlink' "myFileL" "myFile"
+  createRegularFile' "alreadyExists"
+  createDir' "alreadyExistsD"
+  createDir' "dir"
+  createDir' "noPerms"
+  createDir' "noWritePerm"
+  noPerms "noPerms"
+  noWritableDirPerms "noWritePerm"
+  writeFile' "myFile" "Blahfaselgagaga"
+
+
+cleanupFiles :: IO ()
+cleanupFiles = do
+  normalDirPerms "noPerms"
+  normalDirPerms "noWritePerm"
+  deleteFile' "myFile"
+  deleteFile' "myFileL"
+  deleteFile' "alreadyExists"
+  deleteDir' "alreadyExistsD"
+  deleteDir' "dir"
+  deleteDir' "noPerms"
+  deleteDir' "noWritePerm"
 
 
 spec :: Spec
-spec =
+spec = beforeAll_ (upTmpDir >> setupFiles) $ afterAll_ cleanupFiles $
   describe "HPath.IO.renameFile" $ do
 
     -- successes --
     it "renameFile, all fine" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "renamedFile")
+      renameFile' "myFile"
+                  "renamedFile"
 
     it "renameFile, all fine" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "dir/renamedFile")
+      renameFile' "myFile"
+                  "dir/renamedFile"
 
     it "renameFile, all fine on symlink" $
-      renameFile' (specDir `ba` "myFileL")
-                  (specDir `ba` "renamedFile")
+      renameFile' "myFileL"
+                  "renamedFile"
 
     it "renameFile, all fine on directory" $
-      renameFile' (specDir `ba` "dir")
-                  (specDir `ba` "renamedFile")
+      renameFile' "dir"
+                  "renamedFile"
 
     -- posix failures --
     it "renameFile, source file does not exist" $
-      renameFile' (specDir `ba` "fileDoesNotExist")
-                  (specDir `ba` "renamedFile")
+      renameFile' "fileDoesNotExist"
+                  "renamedFile"
         `shouldThrow`
         (\e -> ioeGetErrorType e == NoSuchThing)
 
     it "renameFile, can't write to output directory" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "noWritePerm/renamedFile")
+      renameFile' "myFile"
+                  "noWritePerm/renamedFile"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     it "renameFile, can't open output directory" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "noPerms/renamedFile")
+      renameFile' "myFile"
+                  "noPerms/renamedFile"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     it "renameFile, can't open source directory" $
-      renameFile' (specDir `ba` "noPerms/myFile")
-                  (specDir `ba` "renamedFile")
+      renameFile' "noPerms/myFile"
+                  "renamedFile"
         `shouldThrow`
         (\e -> ioeGetErrorType e == PermissionDenied)
 
     -- custom failures --
     it "renameFile, destination file already exists" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "alreadyExists")
+      renameFile' "myFile"
+                  "alreadyExists"
         `shouldThrow`
         isFileDoesExist
 
     it "renameFile, move from file to dir" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "alreadyExistsD")
+      renameFile' "myFile"
+                  "alreadyExistsD"
         `shouldThrow`
         isDirDoesExist
 
     it "renameFile, source and dest are same file" $
-      renameFile' (specDir `ba` "myFile")
-                  (specDir `ba` "myFile")
+      renameFile' "myFile"
+                  "myFile"
         `shouldThrow`
         isSameFile
 

test/HPath/IO/canonicalizePathSpec/brokenSym

@@ -1 +0,0 @@
-nothing

test/HPath/IO/canonicalizePathSpec/dirSym

@@ -1 +0,0 @@
-dir

test/HPath/IO/canonicalizePathSpec/fileSym

@@ -1 +0,0 @@
-file

test/HPath/IO/copyDirRecursiveOverwriteSpec/alreadyExistsD/bar/inputFile3

@@ -1,8 +0,0 @@
-dadasasddas
-sda
-
-!!1
-sda
-
-
-11

test/HPath/IO/copyDirRecursiveOverwriteSpec/alreadyExistsD/foo/inputFile1

@@ -1 +0,0 @@
-dadasasddas

test/HPath/IO/copyDirRecursiveOverwriteSpec/alreadyExistsD/inputFile2

@@ -1,4 +0,0 @@
-dadasasddas
-das
-sda
-sda

test/HPath/IO/copyDirRecursiveOverwriteSpec/inputDir/bar/inputFile3

@@ -1,8 +0,0 @@
-dadasasddas
-sda
-
-!!1
-sda
-
-
-11

test/HPath/IO/copyDirRecursiveOverwriteSpec/inputDir/foo/inputFile1

@@ -1 +0,0 @@
-dadasasddas

test/HPath/IO/copyDirRecursiveOverwriteSpec/inputDir/inputFile2

@@ -1,4 +0,0 @@
-dadasasddas
-das
-sda
-sda

test/HPath/IO/copyDirRecursiveOverwriteSpec/noPerms/inputDir/bar/inputFile3

@@ -1,8 +0,0 @@
-dadasasddas
-sda
-
-!!1
-sda
-
-
-11

test/HPath/IO/copyDirRecursiveOverwriteSpec/noPerms/inputDir/foo/inputFile1

@@ -1 +0,0 @@
-dadasasddas

test/HPath/IO/copyDirRecursiveOverwriteSpec/noPerms/inputDir/inputFile2

@@ -1,4 +0,0 @@
-dadasasddas
-das
-sda
-sda

test/HPath/IO/copyDirRecursiveOverwriteSpec/wrongInputSymL

@@ -1 +0,0 @@
-inputDir/

test/HPath/IO/copyDirRecursiveSpec/inputDir/bar/inputFile3

@@ -1,8 +0,0 @@
-dadasasddas
-sda
-
-!!1
-sda
-
-
-11

test/HPath/IO/copyDirRecursiveSpec/inputDir/foo/inputFile1

@@ -1 +0,0 @@
-dadasasddas

test/HPath/IO/copyDirRecursiveSpec/inputDir/inputFile2

@@ -1,4 +0,0 @@
-dadasasddas
-das
-sda
-sda

test/HPath/IO/copyDirRecursiveSpec/noPerms/inputDir/bar/inputFile3

@@ -1,8 +0,0 @@
-dadasasddas
-sda
-
-!!1
-sda
-
-
-11

test/HPath/IO/copyDirRecursiveSpec/noPerms/inputDir/foo/inputFile1

@@ -1 +0,0 @@
-dadasasddas

test/HPath/IO/copyDirRecursiveSpec/noPerms/inputDir/inputFile2

@@ -1,4 +0,0 @@
-dadasasddas
-das
-sda
-sda

test/HPath/IO/copyDirRecursiveSpec/wrongInputSymL

@@ -1 +0,0 @@
-inputDir/

test/HPath/IO/copyFileOverwriteSpec/alreadyExists

@@ -1,16 +0,0 @@
-adaöölsdaöl
-dsalö
-ölsda
-ääödsf
-äsdfä
-öä453
-öä
-435
-ä45343
-5
-453
-453453453
-das
-asd
-das
-

test/HPath/IO/copyFileOverwriteSpec/inputFile

@@ -1,4 +0,0 @@
-abc
-def
-
-dsadasdsa

test/HPath/IO/copyFileOverwriteSpec/inputFileSymL

@@ -1 +0,0 @@
-inputFile

test/HPath/IO/copyFileSpec/inputFile

@@ -1,2 +0,0 @@
-abc
-def

test/HPath/IO/copyFileSpec/inputFileSymL

@@ -1 +0,0 @@
-inputFile

test/HPath/IO/deleteDirRecursiveSpec/dirSym

@@ -1 +0,0 @@
-dir

test/HPath/IO/deleteDirSpec/dirSym

@@ -1 +0,0 @@
-dir

test/HPath/IO/deleteFileSpec/syml

@@ -1 +0,0 @@
-foo