ghcup-hs/app/ghcup/GHCup/OptParse/ToolRequirements.hs

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{-# LANGUAGE CPP #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE QuasiQuotes #-}
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module GHCup.OptParse.ToolRequirements where
import GHCup.Errors
import GHCup.Types
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import GHCup.Prelude.Logger
import GHCup.Prelude.String.QQ
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#if !MIN_VERSION_base(4,13,0)
import Control.Monad.Fail ( MonadFail )
#endif
import Control.Monad.Reader
import Control.Monad.Trans.Resource
import Haskus.Utils.Variant.Excepts
import Options.Applicative hiding ( style )
import Prelude hiding ( appendFile )
import System.Exit
import qualified Data.Text as T
import qualified Data.Text.IO as T
import Control.Exception.Safe (MonadMask)
import GHCup.Types.Optics
import GHCup.Platform
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import GHCup.Prelude
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import GHCup.Requirements
import System.IO
---------------
--[ Options ]--
---------------
data ToolReqOpts = ToolReqOpts
{ tlrRaw :: Bool
}
---------------
--[ Parsers ]--
---------------
toolReqP :: Parser ToolReqOpts
toolReqP =
ToolReqOpts
<$> switch (short 'r' <> long "raw-format" <> help "machine-parsable format")
--------------
--[ Footer ]--
--------------
toolReqFooter :: String
toolReqFooter = [s|Discussion:
Print tool requirements on the current platform.
If you want to pass this to your package manage, use '--raw-format'.|]
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---------------------------
--[ Effect interpreters ]--
---------------------------
type ToolRequirementsEffects = '[ NoCompatiblePlatform , DistroNotFound , NoToolRequirements ]
runToolRequirements :: (ReaderT env m (VEither ToolRequirementsEffects a) -> m (VEither ToolRequirementsEffects a))
-> Excepts ToolRequirementsEffects (ReaderT env m) a
-> m (VEither ToolRequirementsEffects a)
runToolRequirements runAppState =
runAppState
. runE
@ToolRequirementsEffects
------------------
--[ Entrypoint ]--
------------------
toolRequirements :: ( Monad m
, MonadMask m
, MonadUnliftIO m
, MonadFail m
, Alternative m
)
=> ToolReqOpts
-> (ReaderT AppState m (VEither ToolRequirementsEffects ()) -> m (VEither ToolRequirementsEffects ()))
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-> (ReaderT LeanAppState m () -> m ())
-> m ExitCode
toolRequirements ToolReqOpts{..} runAppState runLogger = runToolRequirements runAppState (do
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GHCupInfo { .. } <- lift getGHCupInfo
platform' <- liftE getPlatform
req <- getCommonRequirements platform' _toolRequirements ?? NoToolRequirements
if tlrRaw
then liftIO $ T.hPutStr stdout (rawRequirements req)
else liftIO $ T.hPutStr stdout (prettyRequirements req)
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)
>>= \case
VRight _ -> pure ExitSuccess
VLeft e -> do
runLogger $ logError $ T.pack $ prettyHFError e
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pure $ ExitFailure 12