rust: simply use TryInto to convert slice to array
Since our rust module depends on TryInto, there's no point to avoid using it.
While rewriting copy_into_array(), I noticed CPython interface doesn't check
the length of the p1/p2 values, which is marked as TODO.
# narrowdirstate.py - extensions to mercurial dirstate to support narrow clones
#
# Copyright 2017 Google, Inc.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from __future__ import absolute_import
from mercurial.i18n import _
from mercurial import (
error,
)
def wrapdirstate(repo, dirstate):
"""Add narrow spec dirstate ignore, block changes outside narrow spec."""
def _editfunc(fn):
def _wrapper(self, *args, **kwargs):
narrowmatch = repo.narrowmatch()
for f in args:
if f is not None and not narrowmatch(f) and f not in self:
raise error.Abort(_("cannot track '%s' - it is outside " +
"the narrow clone") % f)
return fn(self, *args, **kwargs)
return _wrapper
class narrowdirstate(dirstate.__class__):
# Prevent adding/editing/copying/deleting files that are outside the
# sparse checkout
@_editfunc
def normal(self, *args, **kwargs):
return super(narrowdirstate, self).normal(*args, **kwargs)
@_editfunc
def add(self, *args):
return super(narrowdirstate, self).add(*args)
@_editfunc
def normallookup(self, *args):
return super(narrowdirstate, self).normallookup(*args)
@_editfunc
def copy(self, *args):
return super(narrowdirstate, self).copy(*args)
@_editfunc
def remove(self, *args):
return super(narrowdirstate, self).remove(*args)
@_editfunc
def merge(self, *args):
return super(narrowdirstate, self).merge(*args)
def rebuild(self, parent, allfiles, changedfiles=None):
if changedfiles is None:
# Rebuilding entire dirstate, let's filter allfiles to match the
# narrowspec.
allfiles = [f for f in allfiles if repo.narrowmatch()(f)]
super(narrowdirstate, self).rebuild(parent, allfiles, changedfiles)
dirstate.__class__ = narrowdirstate
return dirstate