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app/ghcup-gen/Validate.hs
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181
app/ghcup-gen/Validate.hs
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE QuasiQuotes #-}
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module Validate where
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import GHCup
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import GHCup.Download
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import GHCup.Types
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import GHCup.Utils.Logger
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import Control.Exception.Safe
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import Control.Monad
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import Control.Monad.IO.Class
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import Control.Monad.Logger
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import Control.Monad.Reader.Class
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import Control.Monad.Trans.Class ( lift )
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import Control.Monad.Trans.Reader ( runReaderT )
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import Control.Monad.Trans.Resource ( runResourceT
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, MonadUnliftIO
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)
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import Data.IORef
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import Data.List
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import Data.String.Interpolate
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import Data.Versions
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import Haskus.Utils.Variant.Excepts
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import Optics
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import System.Exit
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import System.IO
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import qualified Data.ByteString as B
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import qualified Data.Map.Strict as M
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data ValidationError = InternalError String
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deriving Show
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instance Exception ValidationError
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addError :: (MonadReader (IORef Int) m, MonadIO m, Monad m) => m ()
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addError = do
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ref <- ask
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liftIO $ modifyIORef ref (+ 1)
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validate :: (Monad m, MonadLogger m, MonadThrow m, MonadIO m, MonadUnliftIO m)
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=> GHCupDownloads
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-> m ExitCode
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validate dls = do
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ref <- liftIO $ newIORef 0
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-- * verify binary downloads * --
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flip runReaderT ref $ do
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-- unique tags
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forM_ (M.toList dls) $ \(t, _) -> checkUniqueTags t
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-- required platforms
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forM_ (M.toList dls) $ \(t, versions) ->
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forM_ (M.toList versions) $ \(v, vi) ->
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forM_ (M.toList $ _viArch vi) $ \(arch, pspecs) -> do
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checkHasRequiredPlatforms t v arch (M.keys pspecs)
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checkGHCisSemver
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forM_ (M.toList dls) $ \(t, _) -> checkMandatoryTags t
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-- exit
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e <- liftIO $ readIORef ref
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if e > 0
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then pure $ ExitFailure e
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else do
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lift $ $(logInfo) [i|All good|]
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pure ExitSuccess
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where
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checkHasRequiredPlatforms t v arch pspecs = do
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let v' = prettyVer v
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when (not $ any (== Linux UnknownLinux) pspecs) $ do
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lift $ $(logError)
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[i|Linux UnknownLinux missing for for #{t} #{v'} #{arch}|]
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addError
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when ((not $ any (== Darwin) pspecs) && arch == A_64) $ do
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lift $ $(logError) [i|Darwin missing for #{t} #{v'} #{arch}|]
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addError
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when ((not $ any (== FreeBSD) pspecs) && arch == A_64) $ lift $ $(logWarn)
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[i|FreeBSD missing for #{t} #{v'} #{arch}|]
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checkUniqueTags tool = do
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let allTags = join $ fmap snd $ availableToolVersions dls tool
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let nonUnique =
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fmap fst
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. filter (\(_, b) -> not b)
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<$> ( mapM
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(\case
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[] -> throwM $ InternalError "empty inner list"
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(t : ts) ->
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pure $ (t, ) $ if isUniqueTag t then ts == [] else True
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)
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. group
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. sort
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$ allTags
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)
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case join nonUnique of
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[] -> pure ()
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xs -> do
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lift $ $(logError) [i|Tags not unique for #{tool}: #{xs}|]
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addError
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where
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isUniqueTag Latest = True
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isUniqueTag Recommended = True
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checkGHCisSemver = do
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let ghcVers = toListOf (ix GHC % to M.keys % folded) dls
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forM_ ghcVers $ \v -> case semver (prettyVer v) of
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Left _ -> do
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lift $ $(logError) [i|GHC version #{v} is not valid semver|]
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addError
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Right _ -> pure ()
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-- a tool must have at least one of each mandatory tags
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checkMandatoryTags tool = do
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let allTags = join $ fmap snd $ availableToolVersions dls tool
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forM_ [Latest, Recommended] $ \t -> case elem t allTags of
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False -> do
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lift $ $(logError) [i|Tag #{t} missing from #{tool}|]
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addError
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True -> pure ()
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validateTarballs :: ( Monad m
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, MonadLogger m
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, MonadThrow m
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, MonadIO m
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, MonadUnliftIO m
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, MonadMask m
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)
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=> GHCupDownloads
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-> m ExitCode
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validateTarballs dls = do
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ref <- liftIO $ newIORef 0
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flip runReaderT ref $ do
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-- download/verify all binary tarballs
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let
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dlbis = nub $ join $ (M.elems dls) <&> \versions ->
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join $ (M.elems versions) <&> \vi ->
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join $ (M.elems $ _viArch vi) <&> \pspecs ->
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join $ (M.elems pspecs) <&> \pverspecs -> (M.elems pverspecs)
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forM_ dlbis $ downloadAll
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let dlsrc = nub $ join $ (M.elems dls) <&> \versions ->
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join $ (M.elems versions) <&> maybe [] (: []) . _viSourceDL
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forM_ dlsrc $ downloadAll
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-- exit
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e <- liftIO $ readIORef ref
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if e > 0
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then pure $ ExitFailure e
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else do
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lift $ $(logInfo) [i|All good|]
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pure ExitSuccess
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where
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downloadAll dli = do
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let settings = Settings True GHCupURL False
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let runLogger = myLoggerT LoggerConfig { lcPrintDebug = True
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, colorOutter = B.hPut stderr
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, rawOutter = (\_ -> pure ())
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}
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r <-
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runLogger
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. flip runReaderT settings
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. runResourceT
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. runE
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$ downloadCached dli Nothing
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case r of
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VRight _ -> pure ()
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VLeft e -> do
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lift $ $(logError)
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[i|Could not download (or verify hash) of #{dli}, Error was: #{e}|]
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addError
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