Maintainer	[email protected]
Stability	provisional
Portability	portable
Safe Haskell	None
Language	Haskell2010

Distribution.Hackage.DB

Description

Synopsis

type HackageDB = Map PackageName PackageData
type PackageData = Map Version VersionData
data VersionData = VersionData {
- cabalFile :: !GenericPackageDescription
- tarballHashes :: !(Map String String)
}
readTarball :: Maybe UTCTime -> FilePath -> IO HackageDB
parseTarball :: MonadThrow m => Maybe UTCTime -> Entries FormatError -> m HackageDB
hackageTarball :: IO FilePath

Documentation

type HackageDB = Map PackageName PackageData Source #

type PackageData = Map Version VersionData Source #

data VersionData Source #

Constructors

VersionData
Fields cabalFile :: !GenericPackageDescription tarballHashes :: !(Map String String)

Instances

Instances details

Eq VersionData Source #
Instance details Defined in Distribution.Hackage.DB.Parsed Methods (==) :: VersionData -> VersionData -> Bool # (/=) :: VersionData -> VersionData -> Bool #
Show VersionData Source #
Instance details Defined in Distribution.Hackage.DB.Parsed Methods showsPrec :: Int -> VersionData -> ShowS # show :: VersionData -> String # showList :: [VersionData] -> ShowS #
Generic VersionData Source #
Instance details Defined in Distribution.Hackage.DB.Parsed Associated Types type Rep VersionData :: Type -> Type # Methods from :: VersionData -> Rep VersionData x # to :: Rep VersionData x -> VersionData #
type Rep VersionData Source #
Instance details Defined in Distribution.Hackage.DB.Parsed type Rep VersionData = D1 ('MetaData "VersionData" "Distribution.Hackage.DB.Parsed" "hackage-db-2.1.2-KTaRG7zvIupOLpsM5PMEL" 'False) (C1 ('MetaCons "VersionData" 'PrefixI 'True) (S1 ('MetaSel ('Just "cabalFile") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 GenericPackageDescription) :*: S1 ('MetaSel ('Just "tarballHashes") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (Map String String))))

readTarball :: Maybe UTCTime -> FilePath -> IO HackageDB Source #

parseTarball :: MonadThrow m => Maybe UTCTime -> Entries FormatError -> m HackageDB Source #

hackageTarball :: IO FilePath Source #

Determine the default path of the Hackage database, which typically resides at "$HOME/.cabal/packages/hackage.haskell.org/00-index.tar". Running the command "cabal update" will keep that file up-to-date.