revset: fix merge() to fall back to changectx API if wdir specified
I have a code which basically runs "0:wdir() & <user-revset>", and it crashed
if merge() were passed in.
// Copyright 2018 Georges Racinet <gracinet@anybox.fr>
//
// This software may be used and distributed according to the terms of the
// GNU General Public License version 2 or any later version.
//! Bindings for CPython extension code
//!
//! This exposes methods to build and use a `rustlazyancestors` iterator
//! from C code, using an index and its parents function that are passed
//! from the caller at instantiation.
extern crate hg;
extern crate libc;
mod ancestors;
pub use ancestors::{
rustlazyancestors_contains, rustlazyancestors_drop,
rustlazyancestors_init, rustlazyancestors_next,
};