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{- git-annex export types
-
- Copyright 2017-2025 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE CPP #-}
module Types.Export (
ExportLocation,
mkExportLocation,
fromExportLocation,
ExportDirectory,
mkExportDirectory,
fromExportDirectory,
exportDirectories,
) where
import Git.FilePath
import Utility.Split
import Utility.OsPath
import GHC.Generics
import Control.DeepSeq
#ifdef WITH_OSPATH
import qualified System.OsPath.Posix as Posix
import System.OsString.Internal.Types
#else
import qualified System.FilePath.Posix as Posix
import Utility.FileSystemEncoding
#endif
-- A location such as a path on a remote, that a key can be exported to.
-- The path is relative to the top of the remote, and uses unix-style
-- path separators.
--
-- This must be a ShortByteString (which OsPath is) in order to to avoid
-- problems with ByteString getting PINNED in memory which caused memory
-- fragmentation and excessive memory use.
newtype ExportLocation = ExportLocation OsPath
deriving (Show, Eq, Generic, Ord)
instance NFData ExportLocation
mkExportLocation :: OsPath -> ExportLocation
mkExportLocation = ExportLocation . toInternalGitPath
fromExportLocation :: ExportLocation -> OsPath
fromExportLocation (ExportLocation f) = f
newtype ExportDirectory = ExportDirectory OsPath
deriving (Show, Eq)
mkExportDirectory :: OsPath -> ExportDirectory
mkExportDirectory = ExportDirectory . toInternalGitPath
fromExportDirectory :: ExportDirectory -> OsPath
fromExportDirectory (ExportDirectory f) = f
-- | All subdirectories down to the ExportLocation, with the deepest ones
-- last. Does not include the top of the export.
exportDirectories :: ExportLocation -> [ExportDirectory]
exportDirectories (ExportLocation f) =
map (ExportDirectory . fromposixpath . Posix.joinPath . reverse)
(subs [] dirs)
where
subs _ [] = []
subs ps (d:ds) = (d:ps) : subs (d:ps) ds
#ifdef WITH_OSPATH
dirs = map Posix.dropTrailingPathSeparator $
dropFromEnd 1 $ Posix.splitPath $ PosixString $ fromOsPath f
fromposixpath = toOsPath . getPosixString
#else
dirs = map Posix.dropTrailingPathSeparator $
dropFromEnd 1 $ Posix.splitPath $ fromOsPath f
fromposixpath = encodeBS
#endif
|
