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Viewing changes to bzrlib/repofmt/knitrepo.py

  • Committer: John Arbash Meinel
  • Date: 2010-01-12 22:51:31 UTC
  • mto: This revision was merged to the branch mainline in revision 4955.
  • Revision ID: john@arbash-meinel.com-20100112225131-he8h411p6aeeb947
Delay grabbing an output stream until we actually go to show a diff.

This makes the test suite happy, but it also seems to be reasonable.
If we aren't going to write anything, we don't need to hold an
output stream open.

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bzrlib/repofmt/knitrepo.py
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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    lockdir,
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    osutils,
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    revision as _mod_revision,
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    trace,
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    transactions,
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    versionedfile,
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    xml5,
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.repository import (
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    CommitBuilder,
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    IsInWriteGroupError,
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    MetaDirRepository,
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    MetaDirRepositoryFormat,
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    RepositoryFormat,
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    RootCommitBuilder,
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    )
 
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from bzrlib.trace import mutter, mutter_callsite
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class _KnitParentsProvider(object):
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    def _refresh_data(self):
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        if not self.is_locked():
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            return
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        if self.is_in_write_group():
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            raise IsInWriteGroupError(self)
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        # Create a new transaction to force all knits to see the scope change.
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        # This is safe because we're outside a write group.
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        self.control_files._finish_transaction()
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        :param shared: If true the repository will be initialized as a shared
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                       repository.
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        """
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        trace.mutter('creating repository in %s.', a_bzrdir.transport.base)
 
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        mutter('creating repository in %s.', a_bzrdir.transport.base)
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        dirs = ['knits']
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        files = []
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        utf8_files = [('format', self.get_format_string())]
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        result.revisions.get_parent_map([('A',)])
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        result.signatures.get_parent_map([('A',)])
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        result.unlock()
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        self._run_post_repo_init_hooks(result, a_bzrdir, shared)
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        return result
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    def open(self, a_bzrdir, _found=False, _override_transport=None):
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    repository_class = KnitRepository
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    _commit_builder_class = RootCommitBuilder
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    rich_root_data = True
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    experimental = True
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    supports_tree_reference = True
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    @property
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    def _serializer(self):