diff options
Diffstat (limited to 'Distribution/Helper.hs')
| -rw-r--r-- | Distribution/Helper.hs | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/Distribution/Helper.hs b/Distribution/Helper.hs index f591b28..05f5b3c 100644 --- a/Distribution/Helper.hs +++ b/Distribution/Helper.hs @@ -106,31 +106,35 @@ data SomeLocalBuildInfo = SomeLocalBuildInfo { -- as reading in Cabal's @LocalBuildInfo@ datatype from disk is very slow but -- running all possible queries against it at once is cheap. newtype Query m a = Query { unQuery :: StateT (Maybe SomeLocalBuildInfo) - (ReaderT (Programs, FilePath) m) a } + (ReaderT (Programs, FilePath, FilePath) m) a } deriving (Functor, Applicative, Monad, MonadIO) type MonadQuery m = ( MonadIO m , MonadState (Maybe SomeLocalBuildInfo) m - , MonadReader (Programs, FilePath) m) + , MonadReader (Programs, FilePath, FilePath) m) run :: Monad m - => (Programs, FilePath) -> Maybe SomeLocalBuildInfo -> Query m a -> m a + => (Programs, FilePath, FilePath) -> Maybe SomeLocalBuildInfo -> Query m a -> m a run r s action = flip runReaderT r (flip evalStateT s (unQuery action)) -- | @runQuery query distdir@. Run a 'Query'. @distdir@ is where Cabal's -- @setup-config@ file is located. runQuery :: Monad m - => FilePath -- ^ Path to @dist/@ + => FilePath -- ^ Path to project directory, i.e. the one containing the + -- @project.cabal@ file + -> FilePath -- ^ Path to @dist/@ -> Query m a -> m a -runQuery fp action = run (def, fp) Nothing action +runQuery pd dd action = run (def, pd, dd) Nothing action runQuery' :: Monad m => Programs + -> FilePath -- ^ Path to project directory, i.e. the one containing the + -- @project.cabal@ file -> FilePath -- ^ Path to @dist/@ -> Query m a -> m a -runQuery' progs fp action = run (progs, fp) Nothing action +runQuery' progs pd dd action = run (progs, pd, dd) Nothing action getSlbi :: MonadQuery m => m SomeLocalBuildInfo getSlbi = do @@ -196,7 +200,7 @@ reconfigure progs cabalOpts = do return () getSomeConfigState :: MonadQuery m => m SomeLocalBuildInfo -getSomeConfigState = ask >>= \(progs, distdir) -> do +getSomeConfigState = ask >>= \(progs, projdir, distdir) -> do let progArgs = [ "--with-ghc=" ++ ghcProgram progs , "--with-ghc-pkg=" ++ ghcPkgProgram progs , "--with-cabal=" ++ cabalProgram progs @@ -214,7 +218,7 @@ getSomeConfigState = ask >>= \(progs, distdir) -> do res <- liftIO $ do exe <- findLibexecExe "cabal-helper-wrapper" - out <- readProcess exe (distdir:args) "" + out <- readProcess exe (projdir:distdir:args) "" evaluate (read out) `E.catch` \(SomeException _) -> error $ concat ["getSomeConfigState", ": ", exe, " " , intercalate " " (map show $ distdir:args) |