view hgext/infinitepush/common.py @ 40753:9199548525fc

subrepo-git: use an official origvfs when appropriate

The origvfs has the auditor properly set and can move file without issue.

The current code is currently working without errors because rename are not
audited, yet.

# Copyright 2017 Facebook, Inc.
#
# 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

from mercurial.node import hex

from mercurial import (
    error,
    extensions,
    pycompat,
)

def isremotebooksenabled(ui):
    return ('remotenames' in extensions._extensions and
            ui.configbool('remotenames', 'bookmarks'))

def downloadbundle(repo, unknownbinhead):
    index = repo.bundlestore.index
    store = repo.bundlestore.store
    bundleid = index.getbundle(hex(unknownbinhead))
    if bundleid is None:
        raise error.Abort('%s head is not known' % hex(unknownbinhead))
    bundleraw = store.read(bundleid)
    return _makebundlefromraw(bundleraw)

def _makebundlefromraw(data):
    fp = None
    fd, bundlefile = pycompat.mkstemp()
    try:  # guards bundlefile
        try:  # guards fp
            fp = os.fdopen(fd, r'wb')
            fp.write(data)
        finally:
            fp.close()
    except Exception:
        try:
            os.unlink(bundlefile)
        except Exception:
            # we would rather see the original exception
            pass
        raise

    return bundlefile