module IDE.Metainfo.PackageCollector (
collectPackage
) where
import Control.Applicative
import Prelude
import IDE.StrippedPrefs (RetrieveStrategy(..), Prefs(..))
import PackageConfig (PackageConfig)
import IDE.Metainfo.SourceCollectorH
(findSourceForPackage, packageFromSource, PackageCollectStats(..))
import System.Log.Logger (errorM, debugM, infoM)
import IDE.Metainfo.InterfaceCollector (collectPackageFromHI)
import IDE.Core.CTypes
(metadataVersion, PackageDescr(..), leksahVersion,
packageIdentifierToString, getThisPackage, packId)
import IDE.Utils.FileUtils (getCollectorPath)
import System.Directory (doesDirectoryExist, setCurrentDirectory)
import IDE.Utils.Utils
(leksahMetadataPathFileExtension,
leksahMetadataSystemFileExtension)
import System.FilePath (dropFileName, takeBaseName, (<.>), (</>))
import Data.Binary.Shared (encodeFileSer)
import Distribution.Text (display)
import Control.Monad.IO.Class (MonadIO, MonadIO(..))
import qualified Control.Exception as E (SomeException, catch)
import IDE.Utils.Tool (runTool')
import Data.Monoid ((<>))
import qualified Data.Text as T (unpack, pack)
import Data.Text (Text)
import Network.HTTP.Proxy (Proxy(..), fetchProxy)
import Network.Browser
(request, setAuthorityGen, setOutHandler, setErrHandler, setProxy,
browse)
import Data.Char (isSpace)
import Network.URI (parseURI)
import Network.HTTP (rspBody, rspCode, Header(..), Request(..))
import Network.HTTP.Base (RequestMethod(..))
import Network.HTTP.Headers (HeaderName(..))
import qualified Data.ByteString as BS (writeFile, empty)
import qualified Paths_leksah_server (version)
import Distribution.System (buildArch, buildOS)
import Control.Monad (unless)
collectPackage :: Bool -> Prefs -> Int -> ((PackageConfig, [FilePath]), Int) -> IO PackageCollectStats
collectPackage writeAscii prefs numPackages ((packageConfig, dbs), packageIndex) = do
infoM "leksah-server" ("update_toolbar " ++ show
((fromIntegral packageIndex / fromIntegral numPackages) :: Double))
eitherStrFp <- findSourceForPackage prefs pid
case eitherStrFp of
Left message -> do
debugM "leksah-server" . T.unpack $ message <> " : " <> packageName
packageDescrHi <- collectPackageFromHI packageConfig dbs
writeExtractedPackage False packageDescrHi
return stat {packageString = message, modulesTotal = Just (length (pdModules packageDescrHi))}
Right fpSource ->
case retrieveStrategy prefs of
RetrieveThenBuild ->
retrieve fpSource >>= \case
Just stats -> return stats
Nothing -> buildOnly fpSource
BuildThenRetrieve -> do
debugM "leksah-server" $ "Build (then retrieve) " <> T.unpack packageName <> " in " <> fpSource
build fpSource >>= \case
(True, bstat) -> return bstat
(False, bstat) ->
retrieve fpSource >>= \case
Just stats -> return stats
Nothing -> do
packageDescrHi <- collectPackageFromHI packageConfig dbs
writeExtractedPackage False packageDescrHi
return bstat{modulesTotal = Just (length (pdModules packageDescrHi))}
NeverRetrieve -> do
debugM "leksah-server" $ "Build " <> T.unpack packageName <> " in " <> fpSource
buildOnly fpSource
where
pid = packId $ getThisPackage packageConfig
packageName = packageIdentifierToString pid
stat = PackageCollectStats packageName Nothing False False Nothing
retrieve :: FilePath -> IO (Maybe PackageCollectStats)
retrieve fpSource = do
collectorPath <- liftIO getCollectorPath
setCurrentDirectory collectorPath
let fullUrl = T.unpack (retrieveURL prefs) <> "/metadata-" <> leksahVersion <> "/" <> T.unpack packageName <> leksahMetadataSystemFileExtension
filePath = collectorPath </> T.unpack packageName <.> leksahMetadataSystemFileExtension
case parseURI fullUrl of
Nothing -> do
errorM "leksah-server" $ "collectPackage: invalid URI = " <> fullUrl
return Nothing
Just uri -> do
debugM "leksah-server" $ "collectPackage: before retreiving = " <> fullUrl
proxy <- filterEmptyProxy . trimProxyUri <$> fetchProxy True
(_, rsp) <- browse $ do
setProxy proxy
setErrHandler (errorM "leksah-server")
setOutHandler (debugM "leksah-server")
setAuthorityGen (\_ _ -> return Nothing)
request Request{ rqURI = uri
, rqMethod = GET
, rqHeaders = [Header HdrUserAgent userAgent]
, rqBody = BS.empty }
if rspCode rsp == (2,0,0)
then do
BS.writeFile filePath $ rspBody rsp
debugM "leksah-server" . T.unpack $ "collectPackage: retreived = " <> packageName
liftIO $ writePackagePath (dropFileName fpSource) packageName
return (Just stat {withSource=True, retrieved= True, mbError=Nothing})
else do
debugM "leksah-server" . T.unpack $ "collectPackage: Can't retreive = " <> packageName
return Nothing
build :: FilePath -> IO (Bool, PackageCollectStats)
build fpSource = do
runCabalConfigure fpSource
mbPackageDescrPair <- packageFromSource fpSource packageConfig
case mbPackageDescrPair of
(Just packageDescrS, bstat) -> do
writePackageDesc packageDescrS fpSource
return (True, bstat{modulesTotal = Just (length (pdModules packageDescrS))})
(Nothing, bstat) -> return (False, bstat)
buildOnly :: FilePath -> IO PackageCollectStats
buildOnly fpSource =
build fpSource >>= \case
(True, bstat) -> return bstat
(False, bstat) -> do
packageDescrHi <- collectPackageFromHI packageConfig dbs
writeExtractedPackage False packageDescrHi
return bstat{modulesTotal = Just (length (pdModules packageDescrHi))}
trimProxyUri (Proxy uri auth) = Proxy (trim uri) auth
trimProxyUri p = p
filterEmptyProxy (Proxy "" _) = NoProxy
filterEmptyProxy p = p
trim = f . f where f = reverse . dropWhile isSpace
userAgent = concat [ "leksah-server/", display Paths_leksah_server.version
, " (", display buildOS, "; ", display buildArch, ")"
]
writePackageDesc packageDescr fpSource = do
liftIO $ writeExtractedPackage writeAscii packageDescr
liftIO $ writePackagePath (dropFileName fpSource) packageName
runCabalConfigure fpSource = do
let dirPath = dropFileName fpSource
packageName' = takeBaseName fpSource
flagsFor "base" = ["-finteger-gmp2"]
flagsFor _ = []
flags = flagsFor packageName'
distExists <- doesDirectoryExist $ dirPath </> "dist"
unless distExists $ do
setCurrentDirectory dirPath
E.catch (do runTool' "cabal" ["clean"] Nothing
runTool' "cabal" ("configure":flags ++ map (("--package-db"<>) .T.pack) dbs) Nothing
return ())
(\ (_e :: E.SomeException) -> do
debugM "leksah-server" "Can't configure"
return ())
writeExtractedPackage :: MonadIO m => Bool -> PackageDescr -> m ()
writeExtractedPackage writeAscii pd = do
collectorPath <- liftIO getCollectorPath
let filePath = collectorPath </> T.unpack (packageIdentifierToString $ pdPackage pd) <.>
leksahMetadataSystemFileExtension
if writeAscii
then liftIO $ writeFile (filePath ++ "dpg") (show pd)
else liftIO $ encodeFileSer filePath (metadataVersion, pd)
writePackagePath :: MonadIO m => FilePath -> Text -> m ()
writePackagePath fp packageName = do
collectorPath <- liftIO getCollectorPath
let filePath = collectorPath </> T.unpack packageName <.> leksahMetadataPathFileExtension
liftIO $ writeFile filePath fp