Fix #4424. Allow `-hide-all-packages` to be set dynamically.

diff --git a/compiler/main/Packages.lhs b/compiler/main/Packages.lhs
index ec46a43..38e5996 100644 (file)
--- a/compiler/main/Packages.lhs
+++ b/compiler/main/Packages.lhs
@@ -170,7 +170,7 @@ initPackages :: DynFlags -> IO (DynFlags, [PackageId])
 initPackages dflags = do 
   pkg_db <- case pkgDatabase dflags of
                 Nothing -> readPackageConfigs dflags
-                Just db -> return db
+                Just db -> return $ maybeHidePackages dflags db
   (pkg_state, preload, this_pkg)       
         <- mkPackageState dflags pkg_db [] (thisPackage dflags)
   return (dflags{ pkgDatabase = Just pkg_db,