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- Committer: Canonical.com Patch Queue Manager
- Date: 2011-04-08 12:04:54 UTC
- mfrom: (5757.1.9 knitpackrepo)
- Revision ID: pqm@pqm.ubuntu.com-20110408120454-og821s42l3dkaei2
(jelmer) Move knitpack repository format classes to
bzrlib.repofmt.knitpack_repo. (Jelmer Vernooij)
bzrlib.repofmt.knitpack_repo. (Jelmer Vernooij)
- files added:
- bzrlib/repofmt/knitpack_repo.py
- files modified:
- bzrlib/branch.py
added
removed
bzrlib/repofmt/knitpack_repo.py
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# Copyright (C) 2007-2011 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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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Knit-based pack repository formats."""
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib import (
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bzrdir,
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xml5,
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xml6,
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xml7,
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)
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""")
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from bzrlib import (
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btree_index,
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)
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from bzrlib.index import (
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GraphIndex,
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InMemoryGraphIndex,
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)
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from bzrlib.repofmt.pack_repo import (
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RepositoryFormatPack,
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KnitPackRepository,
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PackCommitBuilder,
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PackRootCommitBuilder,
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)
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class RepositoryFormatKnitPack1(RepositoryFormatPack):
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"""A no-subtrees parameterized Pack repository.
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This format was introduced in 0.92.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackCommitBuilder
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@property
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def _serializer(self):
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return xml5.serializer_v5
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# What index classes to use
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index_builder_class = InMemoryGraphIndex
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index_class = GraphIndex
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir('pack-0.92')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar pack repository format 1 (needs bzr 0.92)\n"
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return "Packs containing knits without subtree support"
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class RepositoryFormatKnitPack3(RepositoryFormatPack):
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"""A subtrees parameterized Pack repository.
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This repository format uses the xml7 serializer to get:
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- support for recording full info about the tree root
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- support for recording tree-references
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This format was introduced in 0.92.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackRootCommitBuilder
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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):
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return xml7.serializer_v7
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# What index classes to use
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index_builder_class = InMemoryGraphIndex
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index_class = GraphIndex
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir(
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'pack-0.92-subtree')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n"
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return "Packs containing knits with subtree support\n"
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class RepositoryFormatKnitPack4(RepositoryFormatPack):
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"""A rich-root, no subtrees parameterized Pack repository.
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This repository format uses the xml6 serializer to get:
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- support for recording full info about the tree root
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This format was introduced in 1.0.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackRootCommitBuilder
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rich_root_data = True
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supports_tree_reference = False
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@property
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def _serializer(self):
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return xml6.serializer_v6
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# What index classes to use
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index_builder_class = InMemoryGraphIndex
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index_class = GraphIndex
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir(
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'rich-root-pack')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return ("Bazaar pack repository format 1 with rich root"
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" (needs bzr 1.0)\n")
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return "Packs containing knits with rich root support\n"
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class RepositoryFormatKnitPack5(RepositoryFormatPack):
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"""Repository that supports external references to allow stacking.
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New in release 1.6.
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Supports external lookups, which results in non-truncated ghosts after
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reconcile compared to pack-0.92 formats.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackCommitBuilder
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supports_external_lookups = True
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# What index classes to use
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index_builder_class = InMemoryGraphIndex
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index_class = GraphIndex
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@property
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def _serializer(self):
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return xml5.serializer_v5
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir('1.6')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar RepositoryFormatKnitPack5 (bzr 1.6)\n"
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return "Packs 5 (adds stacking support, requires bzr 1.6)"
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class RepositoryFormatKnitPack5RichRoot(RepositoryFormatPack):
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"""A repository with rich roots and stacking.
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New in release 1.6.1.
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Supports stacking on other repositories, allowing data to be accessed
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without being stored locally.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackRootCommitBuilder
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rich_root_data = True
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supports_tree_reference = False # no subtrees
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supports_external_lookups = True
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# What index classes to use
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index_builder_class = InMemoryGraphIndex
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index_class = GraphIndex
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@property
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def _serializer(self):
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return xml6.serializer_v6
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir(
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'1.6.1-rich-root')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6.1)\n"
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def get_format_description(self):
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return "Packs 5 rich-root (adds stacking support, requires bzr 1.6.1)"
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class RepositoryFormatKnitPack5RichRootBroken(RepositoryFormatPack):
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"""A repository with rich roots and external references.
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New in release 1.6.
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Supports external lookups, which results in non-truncated ghosts after
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reconcile compared to pack-0.92 formats.
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This format was deprecated because the serializer it uses accidentally
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supported subtrees, when the format was not intended to. This meant that
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someone could accidentally fetch from an incorrect repository.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackRootCommitBuilder
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rich_root_data = True
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supports_tree_reference = False # no subtrees
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supports_external_lookups = True
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# What index classes to use
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index_builder_class = InMemoryGraphIndex
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index_class = GraphIndex
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@property
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def _serializer(self):
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return xml7.serializer_v7
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def _get_matching_bzrdir(self):
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matching = bzrdir.format_registry.make_bzrdir(
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'1.6.1-rich-root')
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matching.repository_format = self
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return matching
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6)\n"
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def get_format_description(self):
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return ("Packs 5 rich-root (adds stacking support, requires bzr 1.6)"
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" (deprecated)")
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def is_deprecated(self):
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return True
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class RepositoryFormatKnitPack6(RepositoryFormatPack):
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"""A repository with stacking and btree indexes,
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without rich roots or subtrees.
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This is equivalent to pack-1.6 with B+Tree indices.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackCommitBuilder
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supports_external_lookups = True
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# What index classes to use
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index_builder_class = btree_index.BTreeBuilder
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index_class = btree_index.BTreeGraphIndex
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@property
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def _serializer(self):
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return xml5.serializer_v5
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir('1.9')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar RepositoryFormatKnitPack6 (bzr 1.9)\n"
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return "Packs 6 (uses btree indexes, requires bzr 1.9)"
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class RepositoryFormatKnitPack6RichRoot(RepositoryFormatPack):
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"""A repository with rich roots, no subtrees, stacking and btree indexes.
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1.6-rich-root with B+Tree indices.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackRootCommitBuilder
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rich_root_data = True
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supports_tree_reference = False # no subtrees
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supports_external_lookups = True
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# What index classes to use
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index_builder_class = btree_index.BTreeBuilder
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index_class = btree_index.BTreeGraphIndex
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@property
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def _serializer(self):
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return xml6.serializer_v6
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir(
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'1.9-rich-root')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return "Bazaar RepositoryFormatKnitPack6RichRoot (bzr 1.9)\n"
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def get_format_description(self):
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return "Packs 6 rich-root (uses btree indexes, requires bzr 1.9)"
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class RepositoryFormatPackDevelopment2Subtree(RepositoryFormatPack):
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"""A subtrees development repository.
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This format should be retained in 2.3, to provide an upgrade path from this
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to RepositoryFormat2aSubtree. It can be removed in later releases.
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1.6.1-subtree[as it might have been] with B+Tree indices.
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"""
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repository_class = KnitPackRepository
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_commit_builder_class = PackRootCommitBuilder
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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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supports_external_lookups = True
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# What index classes to use
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index_builder_class = btree_index.BTreeBuilder
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index_class = btree_index.BTreeGraphIndex
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@property
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def _serializer(self):
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return xml7.serializer_v7
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def _get_matching_bzrdir(self):
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return bzrdir.format_registry.make_bzrdir(
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'development5-subtree')
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def _ignore_setting_bzrdir(self, format):
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pass
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_matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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def get_format_string(self):
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"""See RepositoryFormat.get_format_string()."""
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return ("Bazaar development format 2 with subtree support "
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"(needs bzr.dev from before 1.8)\n")
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return ("Development repository format, currently the same as "
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"1.6.1-subtree with B+Tree indices.\n")
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