ghcup-hs/lib/GHCup/Version.hs
2021-05-21 17:10:22 +02:00

50 lines
1.5 KiB
Haskell

{-# LANGUAGE QuasiQuotes #-}
{-|
Module : GHCup.Version
Description : Version information and version handling.
Copyright : (c) Julian Ospald, 2020
License : LGPL-3.0
Maintainer : hasufell@hasufell.de
Stability : experimental
Portability : portable
-}
module GHCup.Version where
import GHCup.Types
import Paths_ghcup (version)
import Data.Version (Version(versionBranch))
import Data.Versions hiding (version)
import URI.ByteString
import URI.ByteString.QQ
import qualified Data.List.NonEmpty as NE
import qualified Data.Text as T
-- | This reflects the API version of the YAML.
ghcupURL :: URI
ghcupURL = [uri|https://www.haskell.org/ghcup/data/ghcup-0.0.4.yaml|]
-- | The current ghcup version.
ghcUpVer :: PVP
ghcUpVer = PVP . NE.fromList . fmap fromIntegral $ versionBranch version
-- | ghcup version as numeric string.
numericVer :: String
numericVer = T.unpack . prettyPVP $ ghcUpVer
versionCmp :: Versioning -> VersionCmp -> Bool
versionCmp ver1 (VR_gt ver2) = ver1 > ver2
versionCmp ver1 (VR_gteq ver2) = ver1 >= ver2
versionCmp ver1 (VR_lt ver2) = ver1 < ver2
versionCmp ver1 (VR_lteq ver2) = ver1 <= ver2
versionCmp ver1 (VR_eq ver2) = ver1 == ver2
versionRange :: Versioning -> VersionRange -> Bool
versionRange ver' (SimpleRange cmps) = and $ fmap (versionCmp ver') cmps
versionRange ver' (OrRange cmps range) =
versionRange ver' (SimpleRange cmps) || versionRange ver' range