py3: byteify the opener option to use `rust.index` to allow Rust revlogs
It looks like this corresponds to the byteified key written in localrepo in
8042856c90b6.
Differential Revision: https://phab.mercurial-scm.org/D7818
graft: use revset for intersecting with ancestor set
This addresses a TODO added in
a1381eea7c7d (graft: do not use
`.remove` on a smart set (regression), 2014-04-28).
Differential Revision: https://phab.mercurial-scm.org/D7806
graft: don't remove from a list in a loop
This addresses a TODO added in
a1381eea7c7d (graft: do not use
`.remove` on a smart set (regression), 2014-04-28). I couldn't measure
any speedup.
Differential Revision: https://phab.mercurial-scm.org/D7805