rust: add `dirstate_tree` module
Mercurial needs to represent the filesystem hierarchy on which it operates, for
example in the dirstate. Its current on-disk representation is an unsorted, flat
structure that gets transformed in the current Rust code into a `HashMap`.
This loses the hierarchical information of the dirstate, leading to some
unfortunate performance and algorithmic compromises.
This module adds an implementation of a radix tree that is specialized for
representing the dirstate: its unit is the path component. I have made no
efforts to optimize either its memory footprint or its insertion speed: they're
pretty bad for now.
Following will be a few patches that modify the dirstate.status logic to use
that new hierarchical information, fixing issue 6335 in the same swing.
Differential Revision: https://phab.mercurial-scm.org/D9085
"""collection of simple hooks for common tasks (EXPERIMENTAL)
This extension provides a number of simple hooks to handle issues
commonly found in repositories with many contributors:
- email notification when changesets move from draft to public phase
- email notification when changesets are obsoleted
- enforcement of draft phase for all incoming changesets
- enforcement of a no-branch-merge policy
- enforcement of a no-multiple-heads policy
The implementation of the hooks is subject to change, e.g. whether to
implement them as individual hooks or merge them into the notify
extension as option. The functionality itself is planned to be supported
long-term.
"""
from __future__ import absolute_import
from . import (
changeset_obsoleted,
changeset_published,
)
# configtable is only picked up from the "top-level" module of the extension,
# so expand it here to ensure all items are properly loaded
configtable = {}
configtable.update(changeset_published.configtable)
configtable.update(changeset_obsoleted.configtable)