ghcup-hs/app/ghcup-gen/Validate.hs
2021-10-17 19:15:24 +02:00

281 lines
10 KiB
Haskell

{-# LANGUAGE CPP #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE ViewPatterns #-}
{-# LANGUAGE OverloadedStrings #-}
module Validate where
import GHCup
import GHCup.Download
import GHCup.Errors
import GHCup.Types
import GHCup.Types.Optics
import GHCup.Utils
import GHCup.Utils.Logger
import GHCup.Utils.Version.QQ
import Codec.Archive
import Control.Applicative
import Control.Exception.Safe
import Control.Monad
import Control.Monad.IO.Class
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.Versions
import Haskus.Utils.Variant.Excepts
import Optics
import System.FilePath
import System.Exit
import Text.ParserCombinators.ReadP
import Text.PrettyPrint.HughesPJClass ( prettyShow )
import Text.Regex.Posix
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, MonadReader env m, HasLog env, MonadThrow m, MonadIO m, MonadUnliftIO m)
=> GHCupDownloads
-> M.Map GlobalTool DownloadInfo
-> 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 (_viTags vi) 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 "All good"
pure ExitSuccess
where
checkHasRequiredPlatforms t v tags arch pspecs = do
let v' = prettyVer v
arch' = prettyShow arch
when (Linux UnknownLinux `notElem` pspecs) $ do
lift $ logError $
"Linux UnknownLinux missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
addError
when ((Darwin `notElem` pspecs) && arch == A_64) $ do
lift $ logError $ "Darwin missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
addError
when ((FreeBSD `notElem` pspecs) && arch == A_64) $ lift $ logWarn $
"FreeBSD missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
when (Windows `notElem` pspecs && arch == A_64) $ do
lift $ logError $ "Windows missing for for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack arch'
addError
-- alpine needs to be set explicitly, because
-- we cannot assume that "Linux UnknownLinux" runs on Alpine
-- (although it could be static)
when (Linux Alpine `notElem` pspecs) $
case t of
GHCup | arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)) >> addError
Cabal | v > [vver|2.4.1.0|]
, arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)) >> addError
GHC | Latest `elem` tags || Recommended `elem` tags
, arch `elem` [A_64, A_32] -> lift (logError $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch))
_ -> lift $ logWarn $ "Linux Alpine missing for " <> T.pack (prettyShow t) <> " " <> v' <> " " <> T.pack (prettyShow arch)
checkUniqueTags tool = do
let allTags = _viTags =<< M.elems (availableToolVersions dls tool)
let nonUnique =
fmap fst
. filter (\(_, b) -> not b)
<$> ( mapM
(\case
[] -> throwM $ InternalError "empty inner list"
(t : ts) ->
pure $ (t, ) (not (isUniqueTag t) || null ts)
)
. group
. sort
$ allTags
)
case join nonUnique of
[] -> pure ()
xs -> do
lift $ logError $ "Tags not unique for " <> T.pack (prettyShow tool) <> ": " <> T.pack (prettyShow 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 $ "GHC version " <> prettyVer v <> " is not valid"
addError
-- a tool must have at least one of each mandatory tags
checkMandatoryTags tool = do
let allTags = _viTags =<< M.elems (availableToolVersions dls tool)
forM_ [Latest, Recommended] $ \t -> case t `elem` allTags of
False -> do
lift $ logError $ "Tag " <> T.pack (prettyShow t) <> " missing from " <> T.pack (prettyShow tool)
addError
True -> pure ()
-- all GHC versions must have a base tag
checkGHCHasBaseVersion = do
let allTags = M.toList $ availableToolVersions dls GHC
forM allTags $ \(ver, _viTags -> tags) -> case any isBase tags of
False -> do
lift $ logError $ "Base tag missing from GHC ver " <> prettyVer ver
addError
True -> pure ()
isBase (Base _) = True
isBase _ = False
data TarballFilter = TarballFilter
{ tfTool :: Either GlobalTool (Maybe Tool)
, tfVersion :: Regex
}
validateTarballs :: ( Monad m
, MonadReader env m
, HasLog env
, HasDirs env
, HasSettings env
, MonadThrow m
, MonadIO m
, MonadUnliftIO m
, MonadMask m
, Alternative m
, MonadFail m
)
=> TarballFilter
-> GHCupDownloads
-> M.Map GlobalTool DownloadInfo
-> m ExitCode
validateTarballs (TarballFilter etool versionRegex) dls gt = do
ref <- liftIO $ newIORef 0
-- download/verify all tarballs
let dlis = either (const []) (\tool -> nubOrd $ dls ^.. each %& indices (maybe (const True) (==) tool) %> each %& indices (matchTest versionRegex . T.unpack . prettyVer) % (viSourceDL % _Just `summing` viArch % each % each % each)) etool
let gdlis = nubOrd $ gt ^.. each
let allDls = either (const gdlis) (const dlis) etool
when (null allDls) $ logError "no tarballs selected by filter" *> runReaderT addError ref
forM_ allDls (downloadAll ref)
-- exit
e <- liftIO $ readIORef ref
if e > 0
then pure $ ExitFailure e
else do
logInfo "All good"
pure ExitSuccess
where
downloadAll :: ( MonadUnliftIO m
, MonadIO m
, MonadReader env m
, HasLog env
, HasDirs env
, HasSettings env
, MonadCatch m
, MonadMask m
, MonadThrow m
)
=> IORef Int
-> DownloadInfo
-> m ()
downloadAll ref dli = do
r <- runResourceT
. runE @'[DigestError
, GPGError
, DownloadFailed
, UnknownArchive
, ArchiveResult
]
$ do
case etool of
Right (Just GHCup) -> do
tmpUnpack <- lift mkGhcupTmpDir
_ <- liftE $ download (_dlUri dli) Nothing (Just (_dlHash dli)) tmpUnpack Nothing False
pure Nothing
Right _ -> do
p <- liftE $ downloadCached dli Nothing
fmap (Just . head . splitDirectories . head)
. liftE
. getArchiveFiles
$ p
Left ShimGen -> do
tmpUnpack <- lift mkGhcupTmpDir
_ <- liftE $ download (_dlUri dli) Nothing (Just (_dlHash dli)) tmpUnpack Nothing False
pure Nothing
case r of
VRight (Just basePath) -> do
case _dlSubdir dli of
Just (RealDir prel) -> do
logInfo
$ " verifying subdir: " <> T.pack prel
when (basePath /= prel) $ do
logError $
"Subdir doesn't match: expected " <> T.pack prel <> ", got " <> T.pack basePath
runReaderT addError ref
Just (RegexDir regexString) -> do
logInfo $
"verifying subdir (regex): " <> T.pack regexString
let regex = makeRegexOpts
compIgnoreCase
execBlank
regexString
unless (match regex basePath) $ do
logError $
"Subdir doesn't match: expected regex " <> T.pack regexString <> ", got " <> T.pack basePath
runReaderT addError ref
Nothing -> pure ()
VRight Nothing -> pure ()
VLeft e -> do
logError $
"Could not download (or verify hash) of " <> T.pack (show dli) <> ", Error was: " <> T.pack (prettyShow e)
runReaderT addError ref