annotate contrib/casesmash.py @ 39673:f1844a10ee19

narrow: don't send the changelog information when widening without ellipses When we widen anon-ellipses narrow copy, the server sends the changelog information of all the changesets. The code was copied from ellipses case and in ellipses cases, it's required to send the new changelog data. But in non-ellipses cases, we don't need to send the changelog data as we will have all the changesets locally. Before this patch, there was a overhead of ~8-10 mins on each widening call because of all the changelog information being pulled and being applied. After this patch, we no more pull the changelog information. So this patch can save ~5 mins on Mozilla repo on each widening and more on repos which have more changesets. When we apply an empty changelog from changegroup, there is a devel-warn. This patch kind of hacks to silence that devel-warn. Differential Revision: https://phab.mercurial-scm.org/D4639
author Pulkit Goyal <pulkit@yandex-team.ru>
date Tue, 18 Sep 2018 13:41:16 +0300
parents 42a7301fb4d5
children 2372284d9457
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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42a7301fb4d5 casesmash: use absolute_import
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1 from __future__ import absolute_import
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2 import __builtin__
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3 import os
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4 from mercurial import (
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5 util,
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6 )
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7
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8 def lowerwrap(scope, funcname):
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9 f = getattr(scope, funcname)
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10 def wrap(fname, *args, **kwargs):
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11 d, base = os.path.split(fname)
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12 try:
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13 files = os.listdir(d or '.')
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14 except OSError:
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15 files = []
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16 if base in files:
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17 return f(fname, *args, **kwargs)
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18 for fn in files:
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19 if fn.lower() == base.lower():
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20 return f(os.path.join(d, fn), *args, **kwargs)
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21 return f(fname, *args, **kwargs)
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22 scope.__dict__[funcname] = wrap
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23
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24 def normcase(path):
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25 return path.lower()
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26
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27 os.path.normcase = normcase
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28
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29 for f in 'file open'.split():
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30 lowerwrap(__builtin__, f)
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31
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32 for f in "chmod chown open lstat stat remove unlink".split():
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33 lowerwrap(os, f)
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34
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35 for f in "exists lexists".split():
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36 lowerwrap(os.path, f)
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37
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38 lowerwrap(util, 'posixfile')