hg
author Anton Shestakov <av6@dwimlabs.net>
Mon, 31 Jan 2022 18:13:00 +0300
changeset 48789 ef50a62eec40
parent 47880 769cd5703b2c
child 48875 6000f5b25c9b
permissions -rwxr-xr-x
obsolete: don't use os.stat in repo.obsstore.__nonzero__ if it's static HTTP If a repo is accessed via static HTTP, then we obviously can't use os.stat() to just peek at the file size. Let's download the entire file to check its size. Yes, this feels wasteful, but: 1. If we're cloning or pulling a repo from a static HTTP server, we need the contents of the obsstore anyway. 2. Implementing statichttpvfs.stat() that uses HEAD will result in one more request to a static-only HTTP server, which is already slow. Also parsing a response to a HEAD request to construct os.stat_result is pretty hacky. There's also a question of the remote server properly supporting HEAD method and reporting at least file size. 3. Implementing statichttpvfs.stat() that uses GET is pretty much the same thing as we do here, except we can't even cache the response easily, unlike simply accessing obsstore._data, which is @propertycache'd. Importing statichttprepo locally to avoid circular import. See also: 4507bc001365 and commit message of f8f2ecdde4b5. Differential Revision: https://phab.mercurial-scm.org/D12195
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#!/usr/bin/env python3
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#
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# mercurial - scalable distributed SCM
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#
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# Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
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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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from __future__ import absolute_import
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import os
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import sys
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libdir = '@LIBDIR@'
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if libdir != '@' 'LIBDIR' '@':
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    if not os.path.isabs(libdir):
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        libdir = os.path.join(
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            os.path.dirname(os.path.realpath(__file__)), libdir
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        )
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        libdir = os.path.abspath(libdir)
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    sys.path.insert(0, libdir)
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# Make `pip install --user ...` packages available to the official Windows
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# build.  Most py2 packaging installs directly into the system python
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# environment, so no changes are necessary for other platforms.  The Windows
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# py2 package uses py2exe, which lacks a `site` module.  Hardcode it according
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# to the documentation.
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if getattr(sys, 'frozen', None) == 'console_exe':
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    vi = sys.version_info
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    appdata = os.environ.get('APPDATA')
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    if appdata:
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        sys.path.append(
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            os.path.join(
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                appdata,
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                'Python',
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                'Python%d%d' % (vi[0], vi[1]),
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                'site-packages',
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            )
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        )
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from hgdemandimport import tracing
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with tracing.log('hg script'):
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    # enable importing on demand to reduce startup time
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    try:
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        if sys.version_info[0] < 3 or sys.version_info >= (3, 6):
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            import hgdemandimport
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            hgdemandimport.enable()
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    except ImportError:
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        sys.stderr.write(
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            "abort: couldn't find mercurial libraries in [%s]\n"
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            % ' '.join(sys.path)
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        )
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        sys.stderr.write("(check your install and PYTHONPATH)\n")
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        sys.exit(-1)
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    from mercurial import dispatch
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    dispatch.run()