2c8cf06e75
Converted file mode setting to it, and follow-on changes. Compiles up through 369/646. This commit was sponsored by Ethan Aubin.
55 lines
1.6 KiB
Haskell
55 lines
1.6 KiB
Haskell
{- .git/objects
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-
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- Copyright 2013 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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module Git.Objects where
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import Common
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import Git
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import Git.Sha
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import qualified Data.ByteString as B
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import qualified System.FilePath.ByteString as P
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objectsDir :: Repo -> RawFilePath
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objectsDir r = localGitDir r P.</> "objects"
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packDir :: Repo -> RawFilePath
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packDir r = objectsDir r P.</> "pack"
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packIdxFile :: RawFilePath -> RawFilePath
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packIdxFile = flip P.replaceExtension "idx"
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listPackFiles :: Repo -> IO [FilePath]
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listPackFiles r = filter (".pack" `isSuffixOf`)
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<$> catchDefaultIO [] (dirContents $ fromRawFilePath $ packDir r)
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listLooseObjectShas :: Repo -> IO [Sha]
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listLooseObjectShas r = catchDefaultIO [] $
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mapMaybe (extractSha . encodeBS . concat . reverse . take 2 . reverse . splitDirectories)
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<$> dirContentsRecursiveSkipping (== "pack") True (fromRawFilePath (objectsDir r))
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looseObjectFile :: Repo -> Sha -> RawFilePath
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looseObjectFile r sha = objectsDir r P.</> prefix P.</> rest
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where
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(prefix, rest) = B.splitAt 2 (fromRef' sha)
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listAlternates :: Repo -> IO [FilePath]
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listAlternates r = catchDefaultIO [] $
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lines <$> readFile (fromRawFilePath alternatesfile)
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where
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alternatesfile = objectsDir r P.</> "info" P.</> "alternates"
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{- A repository recently cloned with --shared will have one or more
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- alternates listed, and contain no loose objects or packs. -}
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isSharedClone :: Repo -> IO Bool
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isSharedClone r = allM id
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[ not . null <$> listAlternates r
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, null <$> listLooseObjectShas r
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, null <$> listPackFiles r
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]
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