module Language.ATS.Package.Dependency (
fetchDeps
, Dependency (..)
) where
import qualified Codec.Archive.Tar as Tar
import Codec.Compression.GZip (decompress)
import Control.Concurrent.ParallelIO.Global
import Control.Lens
import Control.Monad
import Data.Semigroup (Semigroup (..))
import qualified Data.Text.Lazy as TL
import Dhall
import Network.HTTP.Client hiding (decompress)
import Network.HTTP.Client.TLS (tlsManagerSettings)
import System.Directory
import System.Environment (getEnv)
import System.Posix.Files
import System.Process
data Dependency = Dependency { libName :: Text
, _dir :: Text
, url :: Text
}
deriving (Eq, Show, Generic, Interpret)
makeLenses ''Dependency
fetchDeps :: Bool
-> [Dependency]
-> [Dependency]
-> IO ()
fetchDeps b deps cdeps =
unless (null deps) $ do
putStrLn "Checking ATS dependencies..."
d <- pkgHome
let libs = fmap (buildHelper b) deps
unpacked = fmap (over dir (TL.pack d <>)) cdeps
clibs = fmap (buildHelper b) unpacked
parallel_ (libs ++ clibs) >> stopGlobalPool
mapM_ setup unpacked
pkgHome :: IO FilePath
pkgHome = (++ "/.atspkg/lib/") <$> getEnv "HOME"
clibSetup :: FilePath -> IO ()
clibSetup p = do
let configurePath = p ++ "/configure"
setFileMode configurePath ownerModes
void $ readCreateProcess ((proc p ["--prefix", p]) { cwd = Just p }) ""
void $ readCreateProcess ((proc "make" []) { cwd = Just p}) ""
void $ readCreateProcess ((proc "make" ["install"]) { cwd = Just p }) ""
setup :: Dependency -> IO ()
setup (Dependency _ dirName' _) =
clibSetup (TL.unpack dirName')
buildHelper :: Bool -> Dependency -> IO ()
buildHelper b (Dependency lib' dirName' url'') = do
let (lib, dirName, url') = (lib', dirName', url'') & each %~ TL.unpack
needsSetup <- not <$> doesDirectoryExist (dirName ++ if b then "/atspkg.dhall" else "")
when needsSetup $ do
putStrLn ("Fetching library " ++ lib ++ "...")
manager <- newManager tlsManagerSettings
initialRequest <- parseRequest url'
response <- responseBody <$> httpLbs (initialRequest { method = "GET" }) manager
putStrLn ("Unpacking library " ++ lib ++ "...")
Tar.unpack dirName . Tar.read . decompress $ response
putStrLn ("Setting up library " ++ lib ++ "...")
needsMove <- doesDirectoryExist (dirName ++ "/package")
when needsMove $ do
renameDirectory (dirName ++ "/package") "tempdir"
removeDirectoryRecursive dirName
renameDirectory "tempdir" dirName