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

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{-# LANGUAGE CPP #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE RankNTypes #-}
module GHCup.OptParse.Upgrade where
import GHCup
import GHCup.Errors
import GHCup.Types
import GHCup.Utils.Logger
#if !MIN_VERSION_base(4,13,0)
import Control.Monad.Fail ( MonadFail )
#endif
import Control.Monad.Reader
import Control.Monad.Trans.Resource
import Data.Functor
import Data.Maybe
import Haskus.Utils.Variant.Excepts
import Options.Applicative hiding ( style )
import Prelude hiding ( appendFile )
import System.Exit
import Text.PrettyPrint.HughesPJClass ( prettyShow )
import qualified Data.Text as T
import Control.Exception.Safe (MonadMask)
import System.Environment
import GHCup.Utils
import System.FilePath
import GHCup.Types.Optics
import Data.Versions hiding (str)
---------------
--[ Options ]--
---------------
data UpgradeOpts = UpgradeInplace
| UpgradeAt FilePath
| UpgradeGHCupDir
deriving Show
---------------
--[ Parsers ]--
---------------
upgradeOptsP :: Parser UpgradeOpts
upgradeOptsP =
flag'
UpgradeInplace
(short 'i' <> long "inplace" <> help
"Upgrade ghcup in-place (wherever it's at)"
)
<|> ( UpgradeAt
<$> option
str
(short 't' <> long "target" <> metavar "TARGET_DIR" <> help
"Absolute filepath to write ghcup into"
)
)
<|> pure UpgradeGHCupDir
---------------------------
--[ Effect interpreters ]--
---------------------------
type UpgradeEffects = '[ DigestError
, GPGError
, NoDownload
, NoUpdate
, FileDoesNotExistError
, CopyError
, DownloadFailed
]
runUpgrade :: MonadUnliftIO m
=> (ReaderT AppState m (VEither UpgradeEffects a) -> m (VEither UpgradeEffects a))
-> Excepts UpgradeEffects (ResourceT (ReaderT AppState m)) a
-> m (VEither UpgradeEffects a)
runUpgrade runAppState =
runAppState
. runResourceT
. runE
@UpgradeEffects
------------------
--[ Entrypoint ]--
------------------
upgrade :: ( Monad m
, MonadMask m
, MonadUnliftIO m
, MonadFail m
)
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=> UpgradeOpts
-> Bool
-> Dirs
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-> (forall a. ReaderT AppState m (VEither UpgradeEffects a) -> m (VEither UpgradeEffects a))
-> (ReaderT LeanAppState m () -> m ())
-> m ExitCode
upgrade uOpts force' Dirs{..} runAppState runLogger = do
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target <- case uOpts of
UpgradeInplace -> Just <$> liftIO getExecutablePath
(UpgradeAt p) -> pure $ Just p
UpgradeGHCupDir -> pure (Just (binDir </> "ghcup" <> exeExt))
runUpgrade runAppState (do
v' <- liftE $ upgradeGHCup target force'
GHCupInfo { _ghcupDownloads = dls } <- lift getGHCupInfo
pure (v', dls)
) >>= \case
VRight (v', dls) -> do
let pretty_v = prettyVer v'
let vi = fromJust $ snd <$> getLatest dls GHCup
runLogger $ logInfo $
"Successfully upgraded GHCup to version " <> pretty_v
forM_ (_viPostInstall vi) $ \msg ->
runLogger $ logInfo msg
pure ExitSuccess
VLeft (V NoUpdate) -> do
runLogger $ logWarn "No GHCup update available"
pure ExitSuccess
VLeft e -> do
runLogger $ logError $ T.pack $ prettyShow e
pure $ ExitFailure 11