diff --git a/.gitignore b/.gitignore new file mode 100644 --- /dev/null +++ b/.gitignore @@ -0,0 +1,15 @@ +.cabal-sandbox/ +cabal.sandbox.config +autom4te.cache/ +config.log +config.status +configure +dist/ +include/HsDirectoryConfig.h +include/HsDirectoryConfig.h.in +*~ + +# In GHC build tree: +GNUmakefile +dist-install +ghc.mk diff --git a/.travis.yml b/.travis.yml new file mode 100644 --- /dev/null +++ b/.travis.yml @@ -0,0 +1,76 @@ +# we want to use our custom environment, but the Travis YAML validator +# requires this field to be specified, so we'll just use 'c' +language: c + +# use the new container-based infrastructure +sudo: false + +matrix: + include: + # we have to use CABALVER=1.16 for GHC<7.6 as well, as there's + # no package for earlier cabal versions in the PPA + - env: GHCVER=7.4.2 CABALVER=1.16 + addons: {apt: {packages: [cabal-install-1.16,ghc-7.4.2], sources: [hvr-ghc]}} + - env: GHCVER=7.6.3 CABALVER=1.16 + addons: {apt: {packages: [cabal-install-1.16,ghc-7.6.3], sources: [hvr-ghc]}} + - env: GHCVER=7.8.4 CABALVER=1.18 + addons: {apt: {packages: [cabal-install-1.18,ghc-7.8.4], sources: [hvr-ghc]}} + - env: GHCVER=7.10.1 CABALVER=1.22 + addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.1], sources: [hvr-ghc]}} + - env: GHCVER=head CABALVER=head + addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}} + allow_failures: + - env: GHCVER=head CABALVER=head + +before_install: + - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH + - cabal --version + +install: + - travis_retry cabal update + - cabal install --enable-tests --only-dependencies + - ghc --version + +before_script: + # check if 'streaming' is supported (didn't exist until 1.20) + - | + if cabal 2>&1 test --show-details=streaming __dummy | + grep >/dev/null 2>&1 "cabal: --show-details flag expects" + then streaming=always + else streaming=streaming + fi + export streaming + # check if '--run-tests' is supported (didn't exist until 1.20); + # tests must be run prior to install as packages may be broken by install + - | + if cabal 2>&1 install --run-tests __dummy | + grep >/dev/null 2>&1 "cabal: unrecognized option" + then def_cabal_install_run_tests='cabal_install_run_tests() { + tgz=$1 && + shift && + tmp=cabal-install-run-tests.tmp && + mkdir -p "$tmp" && + ( cd "$tmp" && tar xzf - ) <"$tgz" && + ( cd "$tmp"/* && + cabal configure --enable-tests && + cabal build && + cabal test ) && + cabal install "$@" "$tgz" + }' + else def_cabal_install_run_tests='cabal_install_run_tests() { + cabal install --run-tests "$@" + }' + fi + export def_cabal_install_run_tests + +script: + - autoreconf -i + - cabal configure -v2 --enable-tests --ghc-options=-threaded + - cabal build + - cabal check + - cabal sdist + - cabal test --show-details=$streaming + --test-option=CreateDirectoryIfMissing001.num-repeats=100000 + --test-option=+RTS --test-option=-N2 + - eval "$def_cabal_install_run_tests" && + cabal_install_run_tests dist/*-*.tar.gz --force-reinstalls diff --git a/README.md b/README.md --- a/README.md +++ b/README.md @@ -1,23 +1,29 @@ -`directory` [![Hackage][1]][2] [![Build Status][3]][4] +`directory` =========== -Documentation can be found on [Hackage][2]. +[![Hackage][hi]][hl] +[![Build status][bi]][bl] +[![Windows build status][wi]][wl] +Documentation can be found on [Hackage][hl]. + Building from Git repository ---------------------------- When building this package directly from the Git repository, one must run -`autoreconf -i` to generate the `configure` script needed by `cabal -configure`. This requires [Autoconf][5] to be installed. +`autoreconf -fi` to generate the `configure` script needed by `cabal +configure`. This requires [Autoconf][ac] to be installed. - autoreconf -i + autoreconf -fi cabal install There is no need to run the `configure` script manually however, as `cabal configure` does that automatically. -[1]: https://img.shields.io/hackage/v/directory.svg -[2]: https://hackage.haskell.org/package/directory -[3]: https://travis-ci.org/haskell/directory.svg?branch=master -[4]: https://travis-ci.org/haskell/directory -[5]: https://gnu.org/software/autoconf +[hi]: https://img.shields.io/hackage/v/directory.svg +[hl]: https://hackage.haskell.org/package/directory +[bi]: https://travis-ci.org/haskell/directory.svg?branch=master +[bl]: https://travis-ci.org/haskell/directory +[wi]: https://ci.appveyor.com/api/projects/status/github/haskell/directory +[wl]: https://ci.appveyor.com/project/Rufflewind/directory +[ac]: https://gnu.org/software/autoconf diff --git a/System/Directory.hs b/System/Directory.hs --- a/System/Directory.hs +++ b/System/Directory.hs @@ -48,6 +48,7 @@ , removeFile , renameFile , copyFile + , copyFileWithMetadata , canonicalizePath , makeAbsolute @@ -57,6 +58,7 @@ , findExecutablesInDirectories , findFile , findFiles + , findFileWith , findFilesWith , exeExtension @@ -64,6 +66,9 @@ , doesFileExist , doesDirectoryExist + -- * Symbolic links + , isSymbolicLink + -- * Permissions -- $permissions @@ -91,18 +96,23 @@ , setModificationTime ) where -import Control.Exception ( bracket, bracketOnError ) +import Control.Exception (bracket, mask, onException) import Control.Monad ( when, unless ) +#ifdef mingw32_HOST_OS +import Data.Function (on) +#endif #if !MIN_VERSION_base(4, 8, 0) import Data.Functor ((<$>)) #endif import Data.Maybe - ( listToMaybe + ( catMaybes #ifdef mingw32_HOST_OS , maybeToList #endif +#if !defined(mingw32_HOST_OS) && ! defined(HAVE_UTIMENSAT) + , fromMaybe +#endif ) -import Data.Tuple (swap) import System.FilePath import System.IO @@ -118,10 +128,6 @@ , modifyIOError , tryIOError ) -#ifdef __HUGS__ -import Hugs.Directory -#endif /* __HUGS__ */ - import Foreign {-# CFILES cbits/directory.c #-} @@ -130,13 +136,9 @@ import Data.Time.Clock.POSIX ( posixSecondsToUTCTime , utcTimeToPOSIXSeconds -#ifdef mingw32_HOST_OS , POSIXTime -#endif ) -#ifdef __GLASGOW_HASKELL__ - import GHC.IO.Exception ( IOErrorType(InappropriateType) ) #ifdef mingw32_HOST_OS @@ -157,8 +159,6 @@ import System.Posix.Internals ( withFilePath ) #endif -#endif /* __GLASGOW_HASKELL__ */ - import System.Directory.Internal #ifdef mingw32_HOST_OS @@ -249,8 +249,6 @@ -} -#ifdef __GLASGOW_HASKELL__ - getPermissions :: FilePath -> IO Permissions getPermissions name = do #ifdef mingw32_HOST_OS @@ -352,10 +350,15 @@ throwErrnoIfMinus1_ "copyPermissions" $ c_wchmod p_dest mode #else stat <- Posix.getFileStatus source - let mode = Posix.fileMode stat - Posix.setFileMode dest mode + copyPermissionsFromStatus stat dest #endif +#ifndef mingw32_HOST_OS +copyPermissionsFromStatus :: Posix.FileStatus -> FilePath -> IO () +copyPermissionsFromStatus st dst = do + Posix.setFileMode dst (Posix.fileMode st) +#endif + ----------------------------------------------------------------------------- -- Implementation @@ -404,14 +407,6 @@ Posix.createDirectory path 0o777 #endif -#else /* !__GLASGOW_HASKELL__ */ - -copyPermissions :: FilePath -> FilePath -> IO () -copyPermissions fromFPath toFPath - = getPermissions fromFPath >>= setPermissions toFPath - -#endif - -- | @'createDirectoryIfMissing' parents dir@ creates a new directory -- @dir@ if it doesn\'t exist. If the first argument is 'True' -- the function will also create all parent directories if they are missing. @@ -463,8 +458,6 @@ isDir = (Posix.isDirectory <$> Posix.getFileStatus dir) #endif -#if __GLASGOW_HASKELL__ - -- | * @'NotDirectory'@: not a directory. -- * @'Directory'@: a true directory (not a symbolic link). -- * @'DirectoryLink'@: a directory symbolic link (only exists on Windows). @@ -478,12 +471,15 @@ getDirectoryType path = (`ioeSetLocation` "getDirectoryType") `modifyIOError` do #ifdef mingw32_HOST_OS - classify <$> Win32.getFileAttributes path - where fILE_ATTRIBUTE_REPARSE_POINT = 0x400 - classify attr - | attr .&. Win32.fILE_ATTRIBUTE_DIRECTORY == 0 = NotDirectory - | attr .&. fILE_ATTRIBUTE_REPARSE_POINT == 0 = Directory - | otherwise = DirectoryLink + isDir <- withFileStatus "getDirectoryType" path isDirectory + if isDir + then do + isLink <- isSymbolicLink path + if isLink + then return DirectoryLink + else return Directory + else do + return NotDirectory #else stat <- Posix.getSymbolicLinkStatus path return $ if Posix.isDirectory stat @@ -540,19 +536,23 @@ Posix.removeDirectory path #endif -#endif - -- | @'removeDirectoryRecursive' dir@ removes an existing directory /dir/ -- together with its contents and subdirectories. Within this directory, --- symbolic links are removed without affecting their the targets. +-- symbolic links are removed without affecting their targets. +-- +-- On Windows, the operation fails if /dir/ is a directory symbolic link. removeDirectoryRecursive :: FilePath -> IO () removeDirectoryRecursive path = (`ioeSetLocation` "removeDirectoryRecursive") `modifyIOError` do dirType <- getDirectoryType path case dirType of - Directory -> removeContentsRecursive path - _ -> ioError . (`ioeSetErrorString` "not a directory") $ - mkIOError InappropriateType "" Nothing (Just path) + Directory -> + removeContentsRecursive path + DirectoryLink -> + ioError (err `ioeSetErrorString` "is a directory symbolic link") + NotDirectory -> + ioError (err `ioeSetErrorString` "not a directory") + where err = mkIOError InappropriateType "" Nothing (Just path) -- | @'removePathRecursive' path@ removes an existing file or directory at -- /path/ together with its contents and subdirectories. Symbolic links are @@ -576,7 +576,6 @@ mapM_ removePathRecursive [path x | x <- cont] removeDirectory path -#if __GLASGOW_HASKELL__ {- |'removeFile' /file/ removes the directory entry for an existing file /file/, where /file/ is not itself a directory. The implementation may specify additional constraints which must be @@ -762,37 +761,163 @@ errIsDir path = ioError . (`ioeSetErrorString` "is a directory") $ mkIOError InappropriateType "" Nothing (Just path) -#endif /* __GLASGOW_HASKELL__ */ +-- | Copy a file with its permissions. If the destination file already exists, +-- it is replaced atomically. Neither path may refer to an existing +-- directory. No exceptions are thrown if the permissions could not be +-- copied. +copyFile :: FilePath -- ^ Source filename + -> FilePath -- ^ Destination filename + -> IO () +copyFile fromFPath toFPath = + (`ioeSetLocation` "copyFile") `modifyIOError` do + atomicCopyFileContents fromFPath toFPath + (ignoreIOExceptions . copyPermissions fromFPath) -{- |@'copyFile' old new@ copies the existing file from /old/ to /new/. -If the /new/ file already exists, it is atomically replaced by the /old/ file. -Neither path may refer to an existing directory. The permissions of /old/ are -copied to /new/, if possible. --} +#ifndef mingw32_HOST_OS +-- | Truncate the destination file and then copy the contents of the source +-- file to the destination file. If the destination file already exists, its +-- attributes shall remain unchanged. Otherwise, its attributes are reset to +-- the defaults. +copyFileContents :: FilePath -- ^ Source filename + -> FilePath -- ^ Destination filename + -> IO () +copyFileContents fromFPath toFPath = + (`ioeSetLocation` "copyFileContents") `modifyIOError` do + withBinaryFile toFPath WriteMode $ \ hTo -> + copyFileToHandle fromFPath hTo +#endif -copyFile :: FilePath -> FilePath -> IO () -copyFile fromFPath toFPath = - copy `catchIOError` (\ exc -> ioError (ioeSetLocation exc "copyFile")) - where copy = bracket (openBinaryFile fromFPath ReadMode) hClose $ \hFrom -> - bracketOnError openTmp cleanTmp $ \(tmpFPath, hTmp) -> - do allocaBytes bufferSize $ copyContents hFrom hTmp - hClose hTmp - ignoreIOExceptions $ copyPermissions fromFPath tmpFPath - renameFile tmpFPath toFPath - openTmp = openBinaryTempFile (takeDirectory toFPath) ".copyFile.tmp" - cleanTmp (tmpFPath, hTmp) - = do ignoreIOExceptions $ hClose hTmp - ignoreIOExceptions $ removeFile tmpFPath - bufferSize = 1024 +-- | Copy the contents of a source file to a destination file, replacing the +-- destination file atomically via 'withReplacementFile', resetting the +-- attributes of the destination file to the defaults. +atomicCopyFileContents :: FilePath -- ^ Source filename + -> FilePath -- ^ Destination filename + -> (FilePath -> IO ()) -- ^ Post-action + -> IO () +atomicCopyFileContents fromFPath toFPath postAction = + (`ioeSetLocation` "atomicCopyFileContents") `modifyIOError` do + withReplacementFile toFPath postAction $ \ hTo -> do + copyFileToHandle fromFPath hTo - copyContents hFrom hTo buffer = do - count <- hGetBuf hFrom buffer bufferSize - when (count > 0) $ do - hPutBuf hTo buffer count - copyContents hFrom hTo buffer +-- | A helper function useful for replacing files in an atomic manner. The +-- function creates a temporary file in the directory of the destination file, +-- opens it, performs the main action with its handle, closes it, performs the +-- post-action with its path, and finally replaces the destination file with +-- the temporary file. If an error occurs during any step of this process, +-- the temporary file is removed and the destination file remains untouched. +withReplacementFile :: FilePath -- ^ Destination file + -> (FilePath -> IO ()) -- ^ Post-action + -> (Handle -> IO a) -- ^ Main action + -> IO a +withReplacementFile path postAction action = + (`ioeSetLocation` "withReplacementFile") `modifyIOError` do + mask $ \ restore -> do + (tmpFPath, hTmp) <- openBinaryTempFile (takeDirectory path) + ".copyFile.tmp" + (`onException` ignoreIOExceptions (removeFile tmpFPath)) $ do + r <- (`onException` ignoreIOExceptions (hClose hTmp)) $ do + restore (action hTmp) + hClose hTmp + restore (postAction tmpFPath) + renameFile tmpFPath path + return r - ignoreIOExceptions io = io `catchIOError` (\_ -> return ()) +-- | Attempt to perform the given action, silencing any IO exception thrown by +-- it. +ignoreIOExceptions :: IO () -> IO () +ignoreIOExceptions io = io `catchIOError` (\_ -> return ()) +-- | Copy all data from a file to a handle. +copyFileToHandle :: FilePath -- ^ Source file + -> Handle -- ^ Destination handle + -> IO () +copyFileToHandle fromFPath hTo = + (`ioeSetLocation` "copyFileToHandle") `modifyIOError` do + withBinaryFile fromFPath ReadMode $ \ hFrom -> + copyHandleData hFrom hTo + +-- | Copy data from one handle to another until end of file. +copyHandleData :: Handle -- ^ Source handle + -> Handle -- ^ Destination handle + -> IO () +copyHandleData hFrom hTo = + (`ioeSetLocation` "copyData") `modifyIOError` do + allocaBytes bufferSize go + where + bufferSize = 1024 + go buffer = do + count <- hGetBuf hFrom buffer bufferSize + when (count > 0) $ do + hPutBuf hTo buffer count + go buffer + +-- | Copy a file with its associated metadata. If the destination file +-- already exists, it is overwritten. There is no guarantee of atomicity in +-- the replacement of the destination file. Neither path may refer to an +-- existing directory. If the source and/or destination are symbolic links, +-- the copy is performed on the targets of the links. +-- +-- On Windows, it behaves like the Win32 function +-- , +-- which copies various kinds of metadata including file attributes and +-- security resource properties. +-- +-- On Unix-like systems, permissions, access time, and modification time are +-- preserved. If possible, the owner and group are also preserved. Note that +-- the very act of copying can change the access time of the source file, +-- hence the access times of the two files may differ after the operation +-- completes. +-- +-- @since 1.2.6.0 +copyFileWithMetadata :: FilePath -- ^ Source file + -> FilePath -- ^ Destination file + -> IO () +copyFileWithMetadata src dst = + (`ioeSetLocation` "copyFileWithMetadata") `modifyIOError` doCopy + where +#ifdef mingw32_HOST_OS + doCopy = Win32.copyFile src dst False +#else + doCopy = do + st <- Posix.getFileStatus src + copyFileContents src dst + copyMetadataFromStatus st dst +#endif + +#ifndef mingw32_HOST_OS +copyMetadataFromStatus :: Posix.FileStatus -> FilePath -> IO () +copyMetadataFromStatus st dst = do + tryCopyOwnerAndGroupFromStatus st dst + copyPermissionsFromStatus st dst + copyFileTimesFromStatus st dst +#endif + +#ifndef mingw32_HOST_OS +tryCopyOwnerAndGroupFromStatus :: Posix.FileStatus -> FilePath -> IO () +tryCopyOwnerAndGroupFromStatus st dst = do + ignoreIOExceptions (copyOwnerFromStatus st dst) + ignoreIOExceptions (copyGroupFromStatus st dst) +#endif + +#ifndef mingw32_HOST_OS +copyOwnerFromStatus :: Posix.FileStatus -> FilePath -> IO () +copyOwnerFromStatus st dst = do + Posix.setOwnerAndGroup dst (Posix.fileOwner st) (-1) +#endif + +#ifndef mingw32_HOST_OS +copyGroupFromStatus :: Posix.FileStatus -> FilePath -> IO () +copyGroupFromStatus st dst = do + Posix.setOwnerAndGroup dst (-1) (Posix.fileGroup st) +#endif + +#ifndef mingw32_HOST_OS +copyFileTimesFromStatus :: Posix.FileStatus -> FilePath -> IO () +copyFileTimesFromStatus st dst = do + let (atime, mtime) = fileTimesFromStatus st + setFileTimes dst (Just atime, Just mtime) +#endif + -- | Make a path absolute and remove as many indirections from it as possible. -- Indirections include the two special directories @.@ and @..@, as well as -- any Unix symbolic links. The input path does not have to point to an @@ -932,9 +1057,13 @@ -- details. -- findExecutable :: String -> IO (Maybe FilePath) -findExecutable fileName = do - files <- findExecutables fileName - return $ listToMaybe files +findExecutable binary = do +#if defined(mingw32_HOST_OS) + Win32.searchPath Nothing binary exeExtension +#else + path <- getPath + findFileWith isExecutable path (binary <.> exeExtension) +#endif -- | Given a file name, searches for the file and returns a list of all -- occurences that are executable. @@ -947,11 +1076,19 @@ findExecutables :: String -> IO [FilePath] findExecutables binary = do #if defined(mingw32_HOST_OS) - file <- Win32.searchPath Nothing binary exeExtension + file <- findExecutable binary return $ maybeToList file #else + path <- getPath + findExecutablesInDirectories path binary +#endif + +#ifndef mingw32_HOST_OS +-- | Get the contents of the @PATH@ environment variable. +getPath :: IO [FilePath] +getPath = do path <- getEnv "PATH" - findExecutablesInDirectories (splitSearchPath path) binary + return (splitSearchPath path) #endif -- | Given a file name, searches for the file on the given paths and returns a @@ -961,15 +1098,16 @@ findExecutablesInDirectories :: [FilePath] -> String -> IO [FilePath] findExecutablesInDirectories path binary = findFilesWith isExecutable path (binary <.> exeExtension) - where isExecutable file = do - perms <- getPermissions file - return $ executable perms +-- | Test whether a file is executable. +isExecutable :: FilePath -> IO Bool +isExecutable file = do + perms <- getPermissions file + return (executable perms) + -- | Search through the given set of directories for the given file. findFile :: [FilePath] -> String -> IO (Maybe FilePath) -findFile path fileName = do - files <- findFiles path fileName - return $ listToMaybe files +findFile = findFileWith (\_ -> return True) -- | Search through the given set of directories for the given file and -- returns a list of paths where the given file exists. @@ -979,22 +1117,48 @@ findFiles = findFilesWith (\_ -> return True) -- | Search through the given set of directories for the given file and +-- with the given property (usually permissions) and returns the file path +-- where the given file exists and has the property. +-- +-- @since 1.2.6.0 +findFileWith :: (FilePath -> IO Bool) -> [FilePath] -> String -> IO (Maybe FilePath) +findFileWith f ds name = asumMaybeT (map (findFileWithIn f name) ds) + +-- | 'Data.Foldable.asum' for 'Control.Monad.Trans.Maybe.MaybeT', essentially. +-- +-- Returns the first 'Just' in the list or 'Nothing' if there aren't any. +asumMaybeT :: Monad m => [m (Maybe a)] -> m (Maybe a) +asumMaybeT = foldr attempt (return Nothing) + where + attempt mmx mx' = do + mx <- mmx + case mx of + Nothing -> mx' + Just _ -> return mx + +-- | Search through the given set of directories for the given file and -- with the given property (usually permissions) and returns a list of -- paths where the given file exists and has the property. -- -- @since 1.2.1.0 findFilesWith :: (FilePath -> IO Bool) -> [FilePath] -> String -> IO [FilePath] -findFilesWith _ [] _ = return [] -findFilesWith f (d:ds) fileName = do - let file = d fileName - exist <- doesFileExist file - b <- if exist then f file else return False - if b then do - files <- findFilesWith f ds fileName - return $ file : files - else findFilesWith f ds fileName +findFilesWith f ds name = do + mfiles <- mapM (findFileWithIn f name) ds + return (catMaybes mfiles) -#ifdef __GLASGOW_HASKELL__ +-- | Like 'findFileWith', but searches only a single directory. +findFileWithIn :: (FilePath -> IO Bool) -> String -> FilePath -> IO (Maybe FilePath) +findFileWithIn f name d = do + let path = d name + exist <- doesFileExist path + if exist + then do + ok <- f path + if ok + then return (Just path) + else return Nothing + else return Nothing + -- | Similar to 'listDirectory', but always includes the special entries (@.@ -- and @..@). (This applies to Windows as well.) -- @@ -1071,9 +1235,6 @@ (filter f) <$> (getDirectoryContents path) where f filename = filename /= "." && filename /= ".." -#endif /* __GLASGOW_HASKELL__ */ - - -- | Obtain the current working directory as an absolute path. -- -- In a multithreaded program, the current working directory is a global state @@ -1101,7 +1262,6 @@ -- * 'UnsupportedOperation' -- The operating system has no notion of current working directory. -- -#ifdef __GLASGOW_HASKELL__ getCurrentDirectory :: IO FilePath getCurrentDirectory = modifyIOError (`ioeSetLocation` "getCurrentDirectory") $ @@ -1203,7 +1363,23 @@ #endif `catchIOError` \ _ -> return False +-- | Check whether the path refers to a symbolic link. On Windows, this tests +-- for @FILE_ATTRIBUTE_REPARSE_POINT@. +-- +-- @since 1.2.6.0 +isSymbolicLink :: FilePath -> IO Bool +isSymbolicLink path = + (`ioeSetLocation` "getDirectoryType") `modifyIOError` do #ifdef mingw32_HOST_OS + isReparsePoint <$> Win32.getFileAttributes path + where + fILE_ATTRIBUTE_REPARSE_POINT = 0x400 + isReparsePoint attr = attr .&. fILE_ATTRIBUTE_REPARSE_POINT /= 0 +#else + Posix.isSymbolicLink <$> Posix.getSymbolicLinkStatus path +#endif + +#ifdef mingw32_HOST_OS -- | Open the handle of an existing file or directory. openFileHandle :: String -> Win32.AccessMode -> IO Win32.HANDLE openFileHandle path mode = Win32.createFile path mode share Nothing @@ -1232,7 +1408,7 @@ -- getAccessTime :: FilePath -> IO UTCTime getAccessTime = modifyIOError (`ioeSetLocation` "getAccessTime") . - getFileTime False + (fst <$>) . getFileTimes -- | Obtain the time at which the file or directory was last modified. -- @@ -1249,30 +1425,39 @@ -- getModificationTime :: FilePath -> IO UTCTime getModificationTime = modifyIOError (`ioeSetLocation` "getModificationTime") . - getFileTime True + (snd <$>) . getFileTimes -getFileTime :: Bool -> FilePath -> IO UTCTime -getFileTime isMtime path = modifyIOError (`ioeSetFileName` path) $ - posixSecondsToUTCTime <$> getTime +getFileTimes :: FilePath -> IO (UTCTime, UTCTime) +getFileTimes path = + modifyIOError (`ioeSetLocation` "getFileTimes") . + modifyIOError (`ioeSetFileName` path) $ + getTimes where path' = normalise path -- handle empty paths #ifdef mingw32_HOST_OS - getTime = + getTimes = bracket (openFileHandle path' Win32.gENERIC_READ) Win32.closeHandle $ \ handle -> - alloca $ \ time -> do - Win32.failIf_ not "" . - uncurry (Win32.c_GetFileTime handle nullPtr) $ - swapIf isMtime (time, nullPtr) - windowsToPosixTime <$> peek time + alloca $ \ atime -> + alloca $ \ mtime -> do + Win32.failIf_ not "" $ + Win32.c_GetFileTime handle nullPtr atime mtime + ((,) `on` posixSecondsToUTCTime . windowsToPosixTime) + <$> peek atime + <*> peek mtime #else - getTime = convertTime <$> Posix.getFileStatus path' + getTimes = fileTimesFromStatus <$> Posix.getFileStatus path' +#endif + +#ifndef mingw32_HOST_OS +fileTimesFromStatus :: Posix.FileStatus -> (UTCTime, UTCTime) +fileTimesFromStatus st = # if MIN_VERSION_unix(2, 6, 0) - convertTime = if isMtime then Posix.modificationTimeHiRes - else Posix.accessTimeHiRes + ( posixSecondsToUTCTime (Posix.accessTimeHiRes st) + , posixSecondsToUTCTime (Posix.modificationTimeHiRes st) ) # else - convertTime = realToFrac . if isMtime then Posix.modificationTime - else Posix.accessTime + ( posixSecondsToUTCTime (realToFrac (Posix.accessTime st)) + , posixSecondsToUTCTime (realToFrac (Posix.modificationTime st)) ) # endif #endif @@ -1300,9 +1485,9 @@ -- @since 1.2.3.0 -- setAccessTime :: FilePath -> UTCTime -> IO () -setAccessTime path = - modifyIOError (`ioeSetLocation` "setAccessTime") . - setFileTime False path +setAccessTime path atime = + modifyIOError (`ioeSetLocation` "setAccessTime") $ + setFileTimes path (Just atime, Nothing) -- | Change the time at which the file or directory was last modified. -- @@ -1328,54 +1513,54 @@ -- @since 1.2.3.0 -- setModificationTime :: FilePath -> UTCTime -> IO () -setModificationTime path = - modifyIOError (`ioeSetLocation` "setModificationTime") . - setFileTime True path +setModificationTime path mtime = + modifyIOError (`ioeSetLocation` "setModificationTime") $ + setFileTimes path (Nothing, Just mtime) -setFileTime :: Bool -> FilePath -> UTCTime -> IO () -setFileTime isMtime path = modifyIOError (`ioeSetFileName` path) . - setTime . utcTimeToPOSIXSeconds +setFileTimes :: FilePath -> (Maybe UTCTime, Maybe UTCTime) -> IO () +setFileTimes _ (Nothing, Nothing) = return () +setFileTimes path (atime, mtime) = + modifyIOError (`ioeSetLocation` "setFileTimes") . + modifyIOError (`ioeSetFileName` path) $ + setTimes (utcTimeToPOSIXSeconds <$> atime, utcTimeToPOSIXSeconds <$> mtime) where - path' = normalise path -- handle empty paths + path' = normalise path -- handle empty paths + + setTimes :: (Maybe POSIXTime, Maybe POSIXTime) -> IO () #ifdef mingw32_HOST_OS - setTime time = + setTimes (atime', mtime') = bracket (openFileHandle path' Win32.gENERIC_WRITE) Win32.closeHandle $ \ handle -> - with (posixToWindowsTime time) $ \ time' -> - Win32.failIf_ not "" . - uncurry (Win32.c_SetFileTime handle nullPtr) $ - swapIf isMtime (time', nullPtr) + maybeWith with (posixToWindowsTime <$> atime') $ \ atime'' -> + maybeWith with (posixToWindowsTime <$> mtime') $ \ mtime'' -> + Win32.failIf_ not "" $ + Win32.c_SetFileTime handle nullPtr atime'' mtime'' #elif defined HAVE_UTIMENSAT - setTime time = + setTimes (atime', mtime') = withFilePath path' $ \ path'' -> - withArray [atime, mtime] $ \ times -> + withArray [ maybe utimeOmit toCTimeSpec atime' + , maybe utimeOmit toCTimeSpec mtime' ] $ \ times -> throwErrnoPathIfMinus1_ "" path' $ - c_utimensat c_AT_FDCWD path'' times 0 - where (atime, mtime) = swapIf isMtime (toCTimeSpec time, utimeOmit) + c_utimensat c_AT_FDCWD path'' times 0 #else - setTime time = do - stat <- Posix.getFileStatus path' - uncurry (setFileTimes path') $ - swapIf isMtime (convertTime time, otherTime stat) + setTimes (Just atime', Just mtime') = setFileTimes' path' atime' mtime' + setTimes (atime', mtime') = do + (atimeOld, mtimeOld) <- fileTimesFromStatus <$> Posix.getFileStatus path' + setFileTimes' path' + (fromMaybe (utcTimeToPOSIXSeconds atimeOld) atime') + (fromMaybe (utcTimeToPOSIXSeconds mtimeOld) mtime') + + setFileTimes' :: FilePath -> POSIXTime -> POSIXTime -> IO () # if MIN_VERSION_unix(2, 7, 0) - setFileTimes = Posix.setFileTimesHiRes - convertTime = id - otherTime = if isMtime - then Posix.accessTimeHiRes - else Posix.modificationTimeHiRes + setFileTimes' = Posix.setFileTimesHiRes # else - setFileTimes = Posix.setFileTimes - convertTime = fromInteger . truncate - otherTime = if isMtime - then Posix.accessTime - else Posix.modificationTime + setFileTimes' pth atim mtime = + Posix.setFileTimes pth + (fromInteger (truncate atime)) + (fromInteger (truncate mtime)) # endif #endif -swapIf :: Bool -> (a, a) -> (a, a) -swapIf True = swap -swapIf False = id - #ifdef mingw32_HOST_OS -- | Difference between the Windows and POSIX epochs in units of 100ns. windowsPosixEpochDifference :: Num a => a @@ -1392,8 +1577,6 @@ posixToWindowsTime t = Win32.FILETIME $ truncate (t * 10000000 + windowsPosixEpochDifference) #endif - -#endif /* __GLASGOW_HASKELL__ */ #ifdef mingw32_HOST_OS withFileStatus :: String -> FilePath -> (Ptr CStat -> IO a) -> IO a diff --git a/appveyor.yml b/appveyor.yml new file mode 100644 --- /dev/null +++ b/appveyor.yml @@ -0,0 +1,28 @@ +version: "{build}-{branch}" +skip_tags: true +shallow_clone: true +environment: + global: + # use a short path prefix to avoid running into path-length limitations + STACK_ROOT: C:\sr + STACK_VER: 1.0.4 +install: + - set PATH=C:\msys64\usr\bin;%PATH% + # might have to retry due to reliability issues with SourceForge + - sh tools/retry 32 pacman -S --needed --noconfirm autoconf automake tar + - curl -fsLS -o stack.zip https://github.com/commercialhaskell/stack/releases/download/v%STACK_VER%/stack-%STACK_VER%-windows-x86_64.zip + - 7z x stack.zip stack.exe + # silence it because it's far too verbose + - stack --skip-msys setup >NUL + - stack --version + - stack ghc -- --version +build_script: + - stack init + - stack exec -- sh -c "autoreconf -fi" +test_script: + - stack test + --ghc-options -rtsopts + --ghc-options -threaded + --test-arguments + "CreateDirectoryIfMissing001.num-repeats=100000 +RTS -N2" + - stack sdist diff --git a/cbits/directory.c b/cbits/directory.c --- a/cbits/directory.c +++ b/cbits/directory.c @@ -1,5 +1,4 @@ -#if defined(__GLASGOW_HASKELL__) || defined(__HUGS__) -/* +/* * (c) The University of Glasgow 2002 * */ @@ -8,6 +7,3 @@ #define INLINE #include "HsDirectory.h" - -#endif - diff --git a/changelog.md b/changelog.md --- a/changelog.md +++ b/changelog.md @@ -1,6 +1,31 @@ Changelog for the [`directory`][1] package ========================================== +## 1.2.6.1 (April 2015) + + * Bundled with GHC 8.0.1 + + * Fix mistake in file time functions when `utimensat` is not available + ([#47](https://github.com/haskell/directory/pull/47)) + +## 1.2.6.0 (April 2015) + + * Make `findExecutable`, `findExecutables`, `findExecutablesInDirectories`, + `findFile`, and `findFilesWith` lazier + ([#43](https://github.com/haskell/directory/issues/43)) + + * Add `findFileWith` + + * Add `copyFileWithAttrs`, which copies additional metadata + ([#40](https://github.com/haskell/directory/issues/40)) + + * Improve error message of `removeDirectoryRecursive` when used on a + directory symbolic link on Windows. + + * Add `isSymbolicLink` + + * Drop support for Hugs. + ## 1.2.5.1 (February 2015) * Improve error message of `getCurrentDirectory` when the current working diff --git a/configure b/configure deleted file mode 100644 --- a/configure +++ /dev/null @@ -1,4367 +0,0 @@ -#! /bin/sh -# Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.69 for Haskell directory package 1.0. -# -# Report bugs to . -# -# -# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. -# -# -# This configure script is free software; the Free Software Foundation -# gives unlimited permission to copy, distribute and modify it. -## -------------------- ## -## M4sh Initialization. ## -## -------------------- ## - 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When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || as_fn_exit 1 -fi -if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 -$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} -fi - diff --git a/directory.cabal b/directory.cabal --- a/directory.cabal +++ b/directory.cabal @@ -1,5 +1,5 @@ name: directory -version: 1.2.5.1 +version: 1.2.6.1 -- NOTE: Don't forget to update ./changelog.md license: BSD3 license-file: LICENSE @@ -81,3 +81,29 @@ build-depends: Win32 else build-depends: unix + other-modules: + TestUtils + Util + -- test-modules-begin + CanonicalizePath + CopyFile001 + CopyFile002 + CopyFileWithMetadata + CreateDirectory001 + CreateDirectoryIfMissing001 + CurrentDirectory001 + Directory001 + DoesDirectoryExist001 + FileTime + FindFile001 + GetDirContents001 + GetDirContents002 + GetHomeDirectory001 + GetPermissions001 + IsSymbolicLink + RemoveDirectoryRecursive001 + RenameFile001 + Safe + T8482 + WithCurrentDirectory + -- test-modules-end diff --git a/include/HsDirectoryConfig.h.in b/include/HsDirectoryConfig.h.in deleted file mode 100644 --- a/include/HsDirectoryConfig.h.in +++ /dev/null @@ -1,64 +0,0 @@ -/* include/HsDirectoryConfig.h.in. Generated from configure.ac by autoheader. */ - -/* Filename extension of executable files */ -#undef EXE_EXTENSION - -/* Define to 1 if you have the header file. */ -#undef HAVE_FCNTL_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_INTTYPES_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_LIMITS_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_TIME_H - -/* Define to 1 if you have the header file. */ -#undef HAVE_UNISTD_H - -/* Define to 1 if you have the `utimensat' function. */ -#undef HAVE_UTIMENSAT - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - -/* Define to the full name of this package. */ -#undef PACKAGE_NAME - -/* Define to the full name and version of this package. */ -#undef PACKAGE_STRING - -/* Define to the one symbol short name of this package. */ -#undef PACKAGE_TARNAME - -/* Define to the home page for this package. */ -#undef PACKAGE_URL - -/* Define to the version of this package. */ -#undef PACKAGE_VERSION - -/* Define to 1 if you have the ANSI C header files. */ -#undef STDC_HEADERS diff --git a/prologue.txt b/prologue.txt new file mode 100644 --- /dev/null +++ b/prologue.txt @@ -0,0 +1,1 @@ +This package provides a library for handling directories. diff --git a/tests/CopyFileWithMetadata.hs b/tests/CopyFileWithMetadata.hs new file mode 100644 --- /dev/null +++ b/tests/CopyFileWithMetadata.hs @@ -0,0 +1,46 @@ +{-# LANGUAGE CPP #-} +module CopyFileWithMetadata where +#include "util.inl" +import System.Directory +import Control.Exception (finally) +import Data.Foldable (for_) +import Data.List (sort) +import System.IO.Error (catchIOError) + +main :: TestEnv -> IO () +main _t = (`finally` cleanup) $ do + + -- prepare source file + writeFile "a" contents + writeFile "b" "To be replaced\n" + setModificationTime "a" mtime + modifyWritable False "a" + perm <- getPermissions "a" + + -- sanity check + T(expectEq) () ["a", "b"] . sort =<< listDirectory "." + + -- copy file + copyFileWithMetadata "a" "b" + copyFileWithMetadata "a" "c" + + -- make sure we got the right results + T(expectEq) () ["a", "b", "c"] . sort =<< listDirectory "." + for_ ["b", "c"] $ \ f -> do + T(expectEq) f perm =<< getPermissions f + T(expectEq) f mtime =<< getModificationTime f + T(expectEq) f contents =<< readFile f + + where + contents = "This is the data\n" + mtime = read "2000-01-01 00:00:00" + + cleanup = do + -- needed to ensure the test runner can clean up our mess + modifyWritable True "a" `catchIOError` \ _ -> return () + modifyWritable True "b" `catchIOError` \ _ -> return () + modifyWritable True "c" `catchIOError` \ _ -> return () + + modifyWritable b f = do + perm <- getPermissions f + setPermissions f (setOwnerWritable b perm) diff --git a/tests/FindFile001.hs b/tests/FindFile001.hs new file mode 100644 --- /dev/null +++ b/tests/FindFile001.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE CPP #-} +module FindFile001 where +#include "util.inl" +import System.Directory +import System.FilePath + +main :: TestEnv -> IO () +main _t = do + writeFile "foo" "" + found <- findFile ("." : undefined) "foo" + T(expectEq) () found (Just ("." "foo")) diff --git a/tests/IsSymbolicLink.hs b/tests/IsSymbolicLink.hs new file mode 100644 --- /dev/null +++ b/tests/IsSymbolicLink.hs @@ -0,0 +1,23 @@ +{-# LANGUAGE CPP #-} +module IsSymbolicLink where +#include "util.inl" +import System.Directory +import Control.Monad (when) +#ifdef mingw32_HOST_OS +import System.IO.Error (catchIOError, isPermissionError) +#endif +import TestUtils + +main :: TestEnv -> IO () +main _t = do + success <- (createSymbolicLink "x" "y" >> return True) +#ifdef mingw32_HOST_OS + -- only test if symbolic links can be created + -- (usually disabled on Windows by group policy) + `catchIOError` \ e -> + if isPermissionError e + then return False + else ioError e +#endif + when success $ + T(expect) () =<< isSymbolicLink "y" diff --git a/tests/Main.hs b/tests/Main.hs --- a/tests/Main.hs +++ b/tests/Main.hs @@ -3,16 +3,19 @@ import qualified CanonicalizePath import qualified CopyFile001 import qualified CopyFile002 +import qualified CopyFileWithMetadata import qualified CreateDirectory001 import qualified CreateDirectoryIfMissing001 import qualified CurrentDirectory001 import qualified Directory001 import qualified DoesDirectoryExist001 import qualified FileTime +import qualified FindFile001 import qualified GetDirContents001 import qualified GetDirContents002 import qualified GetHomeDirectory001 import qualified GetPermissions001 +import qualified IsSymbolicLink import qualified RemoveDirectoryRecursive001 import qualified RenameFile001 import qualified Safe @@ -24,16 +27,19 @@ T.isolatedRun _t "CanonicalizePath" CanonicalizePath.main T.isolatedRun _t "CopyFile001" CopyFile001.main T.isolatedRun _t "CopyFile002" CopyFile002.main + T.isolatedRun _t "CopyFileWithMetadata" CopyFileWithMetadata.main T.isolatedRun _t "CreateDirectory001" CreateDirectory001.main T.isolatedRun _t "CreateDirectoryIfMissing001" CreateDirectoryIfMissing001.main T.isolatedRun _t "CurrentDirectory001" CurrentDirectory001.main T.isolatedRun _t "Directory001" Directory001.main T.isolatedRun _t "DoesDirectoryExist001" DoesDirectoryExist001.main T.isolatedRun _t "FileTime" FileTime.main + T.isolatedRun _t "FindFile001" FindFile001.main T.isolatedRun _t "GetDirContents001" GetDirContents001.main T.isolatedRun _t "GetDirContents002" GetDirContents002.main T.isolatedRun _t "GetHomeDirectory001" GetHomeDirectory001.main T.isolatedRun _t "GetPermissions001" GetPermissions001.main + T.isolatedRun _t "IsSymbolicLink" IsSymbolicLink.main T.isolatedRun _t "RemoveDirectoryRecursive001" RemoveDirectoryRecursive001.main T.isolatedRun _t "RenameFile001" RenameFile001.main T.isolatedRun _t "Safe" Safe.main diff --git a/tests/Makefile b/tests/Makefile new file mode 100644 --- /dev/null +++ b/tests/Makefile @@ -0,0 +1,7 @@ +# This Makefile runs the tests using GHC's testsuite framework. It +# assumes the package is part of a GHC build tree with the testsuite +# installed in ../../../testsuite. + +TOP=../../../testsuite +include $(TOP)/mk/boilerplate.mk +include $(TOP)/mk/test.mk diff --git a/tests/Util.hs b/tests/Util.hs --- a/tests/Util.hs +++ b/tests/Util.hs @@ -2,8 +2,9 @@ module Util where import Prelude (Eq(..), Num(..), Ord(..), RealFrac(..), Show(..), Bool(..), Double, Either(..), Int, Integer, Maybe(..), String, - ($), (.), otherwise) + ($), (.), not, otherwise) import Data.Char (toLower) +import Data.Foldable (traverse_) import Data.Functor ((<$>)) import Data.IORef (IORef, newIORef, readIORef, writeIORef) import Data.List (drop, elem, intercalate, lookup, reverse, span) @@ -16,11 +17,14 @@ import Control.Exception (SomeException, bracket_, catch, mask, onException, try) import Control.Monad (Monad(..), unless, when) -import System.Directory (createDirectoryIfMissing, makeAbsolute, - removeDirectoryRecursive, withCurrentDirectory) +import System.Directory (createDirectoryIfMissing, emptyPermissions, + doesDirectoryExist, isSymbolicLink, listDirectory, + makeAbsolute, removeDirectoryRecursive, readable, + searchable, setPermissions, withCurrentDirectory, + writable) import System.Environment (getArgs) import System.Exit (exitFailure) -import System.FilePath (FilePath, normalise) +import System.FilePath (FilePath, (), normalise) import System.IO (IO, hFlush, hPutStrLn, putStrLn, stderr, stdout) import System.IO.Error (IOError, isDoesNotExistError, ioError, tryIOError, userError) @@ -131,6 +135,20 @@ | otherwise -> Left ["got wrong exception: ", show e] Right _ -> Left ["did not throw an exception"] +-- | Traverse the directory tree in preorder. +preprocessPathRecursive :: (FilePath -> IO ()) -> FilePath -> IO () +preprocessPathRecursive f path = do + dirExists <- doesDirectoryExist path + if dirExists + then do + isLink <- isSymbolicLink path + f path + when (not isLink) $ do + names <- listDirectory path + traverse_ (preprocessPathRecursive f) ((path ) <$> names) + else do + f path + withNewDirectory :: Bool -> FilePath -> IO a -> IO a withNewDirectory keep dir action = do dir' <- makeAbsolute dir @@ -144,6 +162,13 @@ ioError (userError ("isolateWorkingDirectory cannot be used " <> "with current directory")) dir' <- makeAbsolute dir + (`preprocessPathRecursive` dir') $ \ f -> do + setPermissions f emptyPermissions{ readable = True + , searchable = True + , writable = True } + `catch` \ e -> + unless (isDoesNotExistError e) $ + ioError e removeDirectoryRecursive dir' `catch` \ e -> unless (isDoesNotExistError e) $ ioError e diff --git a/tools/retry b/tools/retry new file mode 100644 --- /dev/null +++ b/tools/retry @@ -0,0 +1,12 @@ +#!/bin/sh +set -eu +n=$1 +shift +i=0 +while [ $i -lt $n ] +do + if "$@" + then break + fi + i=`expr "$i" + 1` +done diff --git a/tools/testctl b/tools/testctl new file mode 100644 --- /dev/null +++ b/tools/testctl @@ -0,0 +1,132 @@ +#!/usr/bin/env python +import glob, os, re, sys + +USAGE = """ +Usage: + + {program} add NAME + + Add a new test with the given NAME in the test directory and then + update the list of tests in Main.hs (warning: discards manual edits). + + {program} update + + Update the list of tests in Main.hs (warning: discards manual edits). + +"""[1:] + +LIBRARY = "System.Directory" +TEST_DIR = "tests" +TEST_EXT = ".hs" +TEST_TEMPLATE = """ +{{-# LANGUAGE CPP #-}} +module {name} where +#include "util.inl" +import {library} + +main :: TestEnv -> IO () +main _t = do + +"""[1:] +MAIN_NAME = "Main" +MAIN_TEMPLATE = """ +module Main (main) where +import qualified Util as T +{imports} +main :: IO () +main = T.testMain $ \ _t -> do +{runs} +"""[1:-1] +MAIN_IMPORT_TEMPLATE = "import qualified {name}\n" +MAIN_RUN_TEMPLATE = ' T.isolatedRun _t "{name}" {name}.main\n' +BLACKLIST = "^(Main|.*Util.*)$" + +CABAL_FILE = glob.glob("*.cabal")[0] +CABAL_SECTION_PATTERN = """(?s) +( *)-- test-modules-begin +.*?-- test-modules-end +""" +CABAL_SECTION_TEMPLATE = """ +{0}-- test-modules-begin +{1}{0}-- test-modules-end +""" + +program = os.path.basename(sys.argv[0]) + +def rename(src, dest): + '''Rename a file (allows overwrites on Windows).''' + import os + if os.name == "nt": + import ctypes, ctypes.wintypes + MoveFileExW = ctypes.windll.kernel32.MoveFileExW + MoveFileExW.restype = ctypes.wintypes.BOOL + MOVEFILE_REPLACE_EXISTING = ctypes.wintypes.DWORD(0x1) + success = MoveFileExW(ctypes.wintypes.LPCWSTR(src), + ctypes.wintypes.LPCWSTR(dest), + MOVEFILE_REPLACE_EXISTING) + if not success: + raise ctypes.WinError() + else: + os.rename(src, dest) + +def usage(): + sys.stderr.write(USAGE.format(program=program)) + sys.exit(2) + +def add(name): + if not name[0].isupper(): + sys.stderr.write("{0}: must start with a capital letter: {1}\n" + .format(program, name)) + sys.exit(1) + filename = os.path.join(TEST_DIR, name + TEST_EXT) + if os.path.exists(filename): + sys.stderr.write("{0}: test already exists: {1}\n" + .format(program, filename)) + sys.exit(1) + with open(filename, "wb") as file: + file.write(TEST_TEMPLATE.format(name=name, library=LIBRARY) + .encode("utf8")) + update() + print("{0}: test added: {1}".format(program, filename)) + +def update(): + tests = [] + for basename in os.listdir(TEST_DIR): + name, ext = os.path.splitext(basename) + if (ext == TEST_EXT and + len(name) > 0 and + not re.search(BLACKLIST, name) and + name[0].isupper()): + tests.append(name) + tests.sort() + with open(os.path.join(TEST_DIR, MAIN_NAME + TEST_EXT), "wb") as file: + file.write(MAIN_TEMPLATE.format( + imports="".join(MAIN_IMPORT_TEMPLATE.format(name=name) + for name in tests), + runs="".join(MAIN_RUN_TEMPLATE.format(name=name) + for name in tests), + ).encode("utf8")) + with open(CABAL_FILE, "rb") as file: + cabal_file = file.read().decode("utf8") + with open(CABAL_FILE + ".tmp", "wb") as file: + indent, = re.search(CABAL_SECTION_PATTERN, cabal_file).groups() + repl = CABAL_SECTION_TEMPLATE.format( + indent, + "".join("{0}{1}\n".format(indent, name) for name in tests) + ) + file.write(re.sub(CABAL_SECTION_PATTERN, repl, cabal_file) + .encode("utf8")) + rename(CABAL_FILE + ".tmp", CABAL_FILE) + +if len(sys.argv) < 2: + usage() + +command = sys.argv[1] +if command == "add": + if len(sys.argv) > 3: + usage() + add(sys.argv[2]) +elif command == "update": + if len(sys.argv) > 2: + usage() + update()