ghcup-hs/lib/GHCup/Types.hs

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{-# LANGUAGE CPP #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE OverloadedStrings #-}
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module GHCup.Types where
import Data.Map.Strict ( Map )
import Data.Text ( Text )
import Data.Versions
import HPath
import URI.ByteString
import qualified GHC.Generics as GHC
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--------------------
--[ GHCInfo Tree ]--
--------------------
data GHCupInfo = GHCupInfo
{ _toolRequirements :: ToolRequirements
, _ghcupDownloads :: GHCupDownloads
}
deriving (Show, GHC.Generic)
-------------------------
--[ Requirements Tree ]--
-------------------------
type ToolRequirements = Map Tool ToolReqVersionSpec
type ToolReqVersionSpec = Map (Maybe Version) PlatformReqSpec
type PlatformReqSpec = Map Platform PlatformReqVersionSpec
type PlatformReqVersionSpec = Map (Maybe Versioning) Requirements
data Requirements = Requirements
{ _distroPKGs :: [Text]
, _notes :: Text
}
deriving (Show, GHC.Generic)
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---------------------
--[ Download Tree ]--
---------------------
-- | Description of all binary and source downloads. This is a tree
-- of nested maps.
type GHCupDownloads = Map Tool ToolVersionSpec
type ToolVersionSpec = Map Version VersionInfo
type ArchitectureSpec = Map Architecture PlatformSpec
type PlatformSpec = Map Platform PlatformVersionSpec
type PlatformVersionSpec = Map (Maybe Versioning) DownloadInfo
-- | An installable tool.
data Tool = GHC
| Cabal
| GHCup
deriving (Eq, GHC.Generic, Ord, Show)
-- | All necessary information of a tool version, including
-- source download and per-architecture downloads.
data VersionInfo = VersionInfo
{ _viTags :: [Tag] -- ^ version specific tag
, _viChangeLog :: Maybe URI
, _viSourceDL :: Maybe DownloadInfo -- ^ source tarball
, _viArch :: ArchitectureSpec -- ^ descend for binary downloads per arch
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}
deriving (Eq, Show)
-- | A tag. These are currently attached to a version of a tool.
data Tag = Latest
| Recommended
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| Base PVP
| UnknownTag String -- ^ used for upwardscompat
deriving (Ord, Eq, Show) -- FIXME: manual JSON instance
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data Architecture = A_64
| A_32
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| A_PowerPC
| A_PowerPC64
| A_Sparc
| A_Sparc64
| A_ARM
| A_ARM64
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deriving (Eq, GHC.Generic, Ord, Show)
data Platform = Linux LinuxDistro
-- ^ must exit
| Darwin
-- ^ must exit
| FreeBSD
deriving (Eq, GHC.Generic, Ord, Show)
data LinuxDistro = Debian
| Ubuntu
| Mint
| Fedora
| CentOS
| RedHat
| Alpine
| AmazonLinux
-- rolling
| Gentoo
| Exherbo
-- not known
| UnknownLinux
-- ^ must exit
deriving (Eq, GHC.Generic, Ord, Show)
-- | An encapsulation of a download. This can be used
-- to download, extract and install a tool.
data DownloadInfo = DownloadInfo
{ _dlUri :: URI
, _dlSubdir :: Maybe (Path Rel)
, _dlHash :: Text
}
deriving (Eq, Show)
--------------
--[ Others ]--
--------------
-- | Where to fetch GHCupDownloads from.
data URLSource = GHCupURL
| OwnSource URI
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| OwnSpec GHCupInfo
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deriving Show
data Settings = Settings
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{ cache :: Bool
, noVerify :: Bool
, keepDirs :: KeepDirs
, downloader :: Downloader
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}
deriving Show
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data KeepDirs = Always
| Errors
| Never
deriving (Eq, Show, Ord)
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data Downloader = Curl
| Wget
#if defined(INTERNAL_DOWNLOADER)
| Internal
#endif
deriving (Eq, Show, Ord)
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data DebugInfo = DebugInfo
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{ diBaseDir :: Path Abs
, diBinDir :: Path Abs
, diGHCDir :: Path Abs
, diCacheDir :: Path Abs
, diArch :: Architecture
, diPlatform :: PlatformResult
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}
deriving Show
data SetGHC = SetGHCOnly -- ^ unversioned 'ghc'
| SetGHC_XY -- ^ ghc-x.y
| SetGHC_XYZ -- ^ ghc-x.y.z
deriving (Eq, Show)
data PlatformResult = PlatformResult
{ _platform :: Platform
, _distroVersion :: Maybe Versioning
}
deriving (Eq, Show)
data PlatformRequest = PlatformRequest
{ _rArch :: Architecture
, _rPlatform :: Platform
, _rVersion :: Maybe Versioning
}
deriving (Eq, Show)
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-- | A GHC identified by the target platform triple
-- and the version.
data GHCTargetVersion = GHCTargetVersion
{ _tvTarget :: Maybe Text
, _tvVersion :: Version
}
deriving (Ord, Eq, Show)
mkTVer :: Version -> GHCTargetVersion
mkTVer = GHCTargetVersion Nothing
-- | Assembles a path of the form: <target-triple>-<version>
prettyTVer :: GHCTargetVersion -> Text
prettyTVer (GHCTargetVersion (Just t) v') = t <> "-" <> prettyVer v'
prettyTVer (GHCTargetVersion Nothing v') = prettyVer v'