Distribution.PackDeps

Data types

type Newest = Map String PackInfo

The newest version of every package.

data CheckDepsRes

Whether or not a package can accept all of the newest versions of its dependencies. If not, it returns a list of packages which are not accepted, and a timestamp of the most recently updated package.

Constructors

AllNewest

WontAccept [(String, String)] UTCTime

Instances

Show CheckDepsRes

data DescInfo

Information on a single package.

Instances

Read DescInfo

Show DescInfo

Read package database

loadNewest :: IO Newest

loadNewestFrom :: FilePath -> IO Newest

parseNewest :: ByteString -> Newest

Check a package

checkDeps :: Newest -> DescInfo -> (PackageName, Version, CheckDepsRes)

Get a single package

getPackage :: String -> Newest -> Maybe DescInfo

Loads up the newest version of a package from the Newest list, if available.

parsePackage :: ByteString -> Maybe DescInfo

Parse information on a package from the contents of a cabal file.

loadPackage :: FilePath -> IO (Maybe DescInfo)

Load a single package from a cabal file.

Get multiple packages

filterPackages :: String -> Newest -> [DescInfo]

Find all of the packages matching a given search string.