Mercurial > hg-stable
view mercurial/policy.py @ 30780:2603d04889e1
repair: copy non-revlog store files during upgrade
The store contains more than just revlogs. This patch teaches the
upgrade code to copy regular files as well.
As the test changes demonstrate, the phaseroots file is now copied.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 24 Nov 2016 18:34:50 -0800 |
parents | b4d117cee636 |
children | 62939e0148f1 |
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# policy.py - module policy logic for Mercurial. # # Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com> # # 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 import os import sys # Rules for how modules can be loaded. Values are: # # c - require C extensions # allow - allow pure Python implementation when C loading fails # cffi - required cffi versions (implemented within pure module) # cffi-allow - allow pure Python implementation if cffi version is missing # py - only load pure Python modules # # By default, require the C extensions for performance reasons. policy = 'c' policynoc = ('cffi', 'cffi-allow', 'py') policynocffi = ('c', 'py') try: from . import __modulepolicy__ policy = __modulepolicy__.modulepolicy except ImportError: pass # PyPy doesn't load C extensions. # # The canonical way to do this is to test platform.python_implementation(). # But we don't import platform and don't bloat for it here. if '__pypy__' in sys.builtin_module_names: policy = 'cffi' # Our C extensions aren't yet compatible with Python 3. So use pure Python # on Python 3 for now. if sys.version_info[0] >= 3: policy = 'py' # Environment variable can always force settings. policy = os.environ.get('HGMODULEPOLICY', policy)