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