ghcup-hs/app/ghcup-gen/Validate.hs
2021-01-02 08:51:57 +01:00

219 lines
7.1 KiB
Haskell

{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE QuasiQuotes #-}
module Validate where
import GHCup
import GHCup.Download
import GHCup.Types
import GHCup.Types.Optics
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.Containers.ListUtils ( nubOrd )
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 Text.Regex.Posix
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
data TarballFilter = TarballFilter
{ tfTool :: Maybe Tool
, tfVersion :: Regex
}
validateTarballs :: ( Monad m
, MonadLogger m
, MonadThrow m
, MonadIO m
, MonadUnliftIO m
, MonadMask m
)
=> TarballFilter
-> GHCupDownloads
-> m ExitCode
validateTarballs (TarballFilter tool versionRegex) dls = do
ref <- liftIO $ newIORef 0
flip runReaderT ref $ do
-- download/verify all tarballs
let dlis = nubOrd $ dls ^.. each
%& indices (maybe (const True) (==) tool) %> each
%& indices (matchTest versionRegex . T.unpack . prettyVer)
% (viSourceDL % _Just `summing` viArch % each % each % each)
when (null dlis) $ $(logError) [i|no tarballs selected by filter|] *> addError
forM_ dlis $ downloadAll
-- exit
e <- liftIO $ readIORef ref
if e > 0
then pure $ ExitFailure e
else do
lift $ $(logInfo) [i|All good|]
pure ExitSuccess
where
runLogger = myLoggerT LoggerConfig { lcPrintDebug = True
, colorOutter = B.hPut stderr
, rawOutter = (\_ -> pure ())
}
downloadAll dli = do
dirs <- liftIO getDirs
let settings = AppState (Settings True False Never Curl False GHCupURL) dirs defaultKeyBindings
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