gistfile1.cs

// full doco for fluent API here: http://docs.castleproject.org/Windsor.Registering-components-by-conventions.ashx
public void Install(IWindsorContainer container, IConfigurationStore store)
{
	container.Register(
		Component.For<IPocessor>()
                        .ImplementedBy<SomeProcessor>()
			.Named("processor") // do you really request this by name? If no you don't need to set the name
			.ServiceOverrides(
				ServiceOverride.ForKey("repositoryB")
				.Eq("CastleInstallersInv.Repository.RepositoryB")));
}