mirror of
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82f0ca5a93
Summary: For the moment the revset is just the draft revisions, it will evolve to include likely rebase destination, branching points etc ... Test Plan: We add the result of querying the revset to the test to evaluate how well the prediction match what is actually being accessed Reviewers: durham, rmcelroy, ttung Reviewed By: ttung Subscribers: mjpieters Differential Revision: https://phabricator.fb.com/D3115578 Tasks: 10604335 Signature: t1:3115578:1459374926:f9df976aae07db05a44f1fb69a4c83c2a11969dc
51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
# fastmanifest.py
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#
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# Copyright 2016 Facebook, Inc.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""
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This extension adds fastmanifest, a treemanifest disk cache for speeding up
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manifest comparison. It also contains utilities to investigate manifest access
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patterns.
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Configuration options:
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[fastmanifest]
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logfile = "" # Filename, is not empty will log access to any manifest
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"""
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from mercurial import extensions
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from mercurial import manifest
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from mercurial import revset
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class manifestaccesslogger(object):
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def __init__(self, logfile):
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self._logfile = logfile
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def revwrap(self, orig, *args, **kwargs):
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r = orig(*args, **kwargs)
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try:
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with open(self._logfile, "a") as f:
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f.write("%s\n" % r)
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except EnvironmentError as e:
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pass
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return r
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def fastmanifesttocache(repo, subset, x):
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"""``fastmanifesttocache(])``
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Revisions whose fastmanifest should be cached
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For the moment just drafts
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"""
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return repo.revs("not public()")
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def extsetup(ui):
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logfile = ui.config("fastmanifest", "logfile", "")
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if logfile:
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logger = manifestaccesslogger(logfile)
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extensions.wrapfunction(manifest.manifest, 'rev', logger.revwrap)
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revset.symbols['fastmanifesttocache'] = fastmanifesttocache
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revset.safesymbols.add('fastmanifesttocache')
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