Data.Git.Storage.PackIndex

Documentation

data PackIndexHeader

represent an packIndex header with the version and the fanout table

Constructors

PackIndexHeader !Word32 !(Vector Word32)

Instances

Eq PackIndexHeader

Show PackIndexHeader

data PackIndex

Constructors

PackIndex

Fields

packIndexSha1s :: Vector Ref

packIndexCRCs :: Vector Word32

packIndexPackoffs :: Vector Word32

packIndexPackChecksum :: Ref

packIndexChecksum :: Ref

handles and enumeration

packIndexOpen :: LocalPath -> Ref -> IO FileReader

open an index

packIndexClose :: FileReader -> IO ()

close an index

withPackIndex :: LocalPath -> Ref -> (FileReader -> IO a) -> IO a

variant of withFile on the index file and with a FileReader

packIndexEnumerate :: LocalPath -> IO [Ref]

enumerate every indexes file in the pack directory

read from packIndex

packIndexHeaderGetNbWithPrefix :: PackIndexHeader -> Int -> Word32

get the number of reference in this index with a specific prefix

packIndexGetReferenceLocation :: PackIndexHeader -> FileReader -> Ref -> IO (Maybe Word64)

return the reference offset in the packfile if found

packIndexGetReferencesWithPrefix :: PackIndexHeader -> FileReader -> String -> IO [Ref]

get all references that start by prefix.

packIndexReadHeader :: FileReader -> IO PackIndexHeader

read index header from an index filereader

packIndexRead :: LocalPath -> Ref -> IO (PackIndexHeader, (Vector Ref, Vector Word32, Vector Word32, [ByteString], Ref, Ref))

read all index

packIndexGetHeader :: LocalPath -> Ref -> IO PackIndexHeader

get index header from an index reference