{-# LANGUAGE TemplateHaskell #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE QuasiQuotes #-} module Validate where import GHCup import GHCup.Download import GHCup.Types import GHCup.Utils.Dirs import GHCup.Utils.Logger import GHCup.Utils.Version.QQ import Control.Exception.Safe import Control.Monad import Control.Monad.IO.Class import Control.Monad.Logger import Control.Monad.Reader.Class import Control.Monad.Trans.Class ( lift ) import Control.Monad.Trans.Reader ( runReaderT ) import Control.Monad.Trans.Resource ( runResourceT , MonadUnliftIO ) import Data.IORef import Data.List import Data.String.Interpolate import Data.Versions import Haskus.Utils.Variant.Excepts import Optics import System.Exit import System.IO import Text.ParserCombinators.ReadP import qualified Data.ByteString as B import qualified Data.Map.Strict as M import qualified Data.Text as T import qualified Data.Version as V data ValidationError = InternalError String deriving Show instance Exception ValidationError addError :: (MonadReader (IORef Int) m, MonadIO m, Monad m) => m () addError = do ref <- ask liftIO $ modifyIORef ref (+ 1) validate :: (Monad m, MonadLogger m, MonadThrow m, MonadIO m, MonadUnliftIO m) => GHCupDownloads -> m ExitCode validate dls = do ref <- liftIO $ newIORef 0 -- verify binary downloads -- flip runReaderT ref $ do -- unique tags forM_ (M.toList dls) $ \(t, _) -> checkUniqueTags t -- required platforms forM_ (M.toList dls) $ \(t, versions) -> forM_ (M.toList versions) $ \(v, vi) -> forM_ (M.toList $ _viArch vi) $ \(arch, pspecs) -> do checkHasRequiredPlatforms t v arch (M.keys pspecs) checkGHCVerIsValid forM_ (M.toList dls) $ \(t, _) -> checkMandatoryTags t _ <- checkGHCHasBaseVersion -- exit e <- liftIO $ readIORef ref if e > 0 then pure $ ExitFailure e else do lift $ $(logInfo) [i|All good|] pure ExitSuccess where checkHasRequiredPlatforms t v arch pspecs = do let v' = prettyVer v when (not $ any (== Linux UnknownLinux) pspecs) $ do lift $ $(logError) [i|Linux UnknownLinux missing for for #{t} #{v'} #{arch}|] addError when ((not $ any (== Darwin) pspecs) && arch == A_64) $ do lift $ $(logError) [i|Darwin missing for #{t} #{v'} #{arch}|] addError when ((not $ any (== FreeBSD) pspecs) && arch == A_64) $ lift $ $(logWarn) [i|FreeBSD missing for #{t} #{v'} #{arch}|] -- alpine needs to be set explicitly, because -- we cannot assume that "Linux UnknownLinux" runs on Alpine -- (although it could be static) when (not $ any (== Linux Alpine) pspecs) $ case t of GHCup -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError Cabal | v > [vver|2.4.1.0|] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError _ -> lift $ $(logWarn) [i|Linux Alpine missing for #{t} #{v'} #{arch}|] checkUniqueTags tool = do let allTags = join $ M.elems $ availableToolVersions dls tool let nonUnique = fmap fst . filter (\(_, b) -> not b) <$> ( mapM (\case [] -> throwM $ InternalError "empty inner list" (t : ts) -> pure $ (t, ) $ if isUniqueTag t then ts == [] else True ) . group . sort $ allTags ) case join nonUnique of [] -> pure () xs -> do lift $ $(logError) [i|Tags not unique for #{tool}: #{xs}|] addError where isUniqueTag Latest = True isUniqueTag Recommended = True isUniqueTag Old = False isUniqueTag Prerelease = False isUniqueTag (Base _) = False isUniqueTag (UnknownTag _) = False checkGHCVerIsValid = do let ghcVers = toListOf (ix GHC % to M.keys % folded) dls forM_ ghcVers $ \v -> case [ x | (x,"") <- readP_to_S V.parseVersion (T.unpack . prettyVer $ v) ] of [_] -> pure () _ -> do lift $ $(logError) [i|GHC version #{v} is not valid |] addError -- a tool must have at least one of each mandatory tags checkMandatoryTags tool = do let allTags = join $ M.elems $ availableToolVersions dls tool forM_ [Latest, Recommended] $ \t -> case elem t allTags of False -> do lift $ $(logError) [i|Tag #{t} missing from #{tool}|] addError True -> pure () -- all GHC versions must have a base tag checkGHCHasBaseVersion = do let allTags = M.toList $ availableToolVersions dls GHC forM allTags $ \(ver, tags) -> case any isBase tags of False -> do lift $ $(logError) [i|Base tag missing from GHC ver #{ver}|] addError True -> pure () isBase (Base _) = True isBase _ = False validateTarballs :: ( Monad m , MonadLogger m , MonadThrow m , MonadIO m , MonadUnliftIO m , MonadMask m ) => GHCupDownloads -> m ExitCode validateTarballs dls = do ref <- liftIO $ newIORef 0 flip runReaderT ref $ do -- download/verify all binary tarballs let dlbis = nub $ join $ (M.elems dls) <&> \versions -> join $ (M.elems versions) <&> \vi -> join $ (M.elems $ _viArch vi) <&> \pspecs -> join $ (M.elems pspecs) <&> \pverspecs -> (M.elems pverspecs) forM_ dlbis $ downloadAll let dlsrc = nub $ join $ (M.elems dls) <&> \versions -> join $ (M.elems versions) <&> maybe [] (: []) . _viSourceDL forM_ dlsrc $ downloadAll -- exit e <- liftIO $ readIORef ref if e > 0 then pure $ ExitFailure e else do lift $ $(logInfo) [i|All good|] pure ExitSuccess where downloadAll dli = do dirs <- liftIO getDirs let settings = AppState (Settings True False Never Curl False GHCupURL) dirs defaultKeyBindings let runLogger = myLoggerT LoggerConfig { lcPrintDebug = True , colorOutter = B.hPut stderr , rawOutter = (\_ -> pure ()) } r <- runLogger . flip runReaderT settings . runResourceT . runE $ downloadCached dli Nothing case r of VRight _ -> pure () VLeft e -> do lift $ $(logError) [i|Could not download (or verify hash) of #{dli}, Error was: #{e}|] addError