upstream/mercurial-mirror Files · mercurial/policy.py

scmutil: ignore EPERM at os.utime, which avoids ambiguity at closing...

scmutil: ignore EPERM at os.utime, which avoids ambiguity at closing According to POSIX specification, just having group write access to a file causes EPERM at invocation of os.utime() with an explicit time information (e.g. working on the repository shared by group access permission). To ignore EPERM at closing file object in such case, this patch makes checkambigatclosing._checkambig() use filestat.avoidambig() introduced by previous patch. Some functions below imply this code path at truncation of an existing (= might be owned by another user) file. - strip() in repair.py, introduced by - _playback() in transaction.py, introduced by This is a variant of issue5418.

Maciej Fijalkowski - - Load All Authors

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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)

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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)