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# Copyright (C) 2005, 2006 Canonical Ltd
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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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# 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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# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from copy import deepcopy
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from cStringIO import StringIO
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from unittest import TestSuite
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import xml.sax.saxutils
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import bzrlib.bzrdir as bzrdir
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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import bzrlib.errors as errors
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from bzrlib.errors import InvalidRevisionId
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import bzrlib.gpg as gpg
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from bzrlib.graph import Graph
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from bzrlib.inter import InterObject
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from bzrlib.knit import KnitVersionedFile
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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from bzrlib.osutils import safe_unicode
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from bzrlib.revision import NULL_REVISION
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from bzrlib.store.versioned import VersionedFileStore, WeaveStore
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from bzrlib.store.text import TextStore
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from bzrlib.symbol_versioning import *
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from bzrlib.trace import mutter
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from bzrlib.tree import RevisionTree
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from bzrlib.tsort import topo_sort
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from bzrlib.testament import Testament
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from bzrlib.tree import EmptyTree
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from bzrlib.weave import WeaveFile
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class Repository(object):
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"""Repository holding history for one or more branches.
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The repository holds and retrieves historical information including
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revisions and file history. It's normally accessed only by the Branch,
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which views a particular line of development through that history.
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The Repository builds on top of Stores and a Transport, which respectively
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describe the disk data format and the way of accessing the (possibly
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def add_inventory(self, revid, inv, parents):
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"""Add the inventory inv to the repository as revid.
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:param parents: The revision ids of the parents that revid
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is known to have and are in the repository already.
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returns the sha1 of the serialized inventory.
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inv_text = bzrlib.xml5.serializer_v5.write_inventory_to_string(inv)
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inv_sha1 = bzrlib.osutils.sha_string(inv_text)
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inv_vf = self.control_weaves.get_weave('inventory',
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self.get_transaction())
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inv_vf.add_lines(revid, parents, bzrlib.osutils.split_lines(inv_text))
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def add_revision(self, rev_id, rev, inv=None, config=None):
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"""Add rev to the revision store as rev_id.
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:param rev_id: the revision id to use.
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:param rev: The revision object.
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:param inv: The inventory for the revision. if None, it will be looked
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up in the inventory storer
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:param config: If None no digital signature will be created.
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If supplied its signature_needed method will be used
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to determine if a signature should be made.
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if config is not None and config.signature_needed():
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inv = self.get_inventory(rev_id)
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plaintext = Testament(rev, inv).as_short_text()
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self.store_revision_signature(
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gpg.GPGStrategy(config), plaintext, rev_id)
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if not rev_id in self.get_inventory_weave():
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raise errors.WeaveRevisionNotPresent(rev_id,
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self.get_inventory_weave())
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# yes, this is not suitable for adding with ghosts.
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self.add_inventory(rev_id, inv, rev.parent_ids)
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self._revision_store.add_revision(rev, self.get_transaction())
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def _all_possible_ids(self):
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"""Return all the possible revisions that we could find."""
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return self.get_inventory_weave().versions()
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def all_revision_ids(self):
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"""Returns a list of all the revision ids in the repository.
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These are in as much topological order as the underlying store can
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present: for weaves ghosts may lead to a lack of correctness until
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the reweave updates the parents list.
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if self._revision_store.text_store.listable():
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return self._revision_store.all_revision_ids(self.get_transaction())
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result = self._all_possible_ids()
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return self._eliminate_revisions_not_present(result)
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def _eliminate_revisions_not_present(self, revision_ids):
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"""Check every revision id in revision_ids to see if we have it.
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Returns a set of the present revisions.
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for id in revision_ids:
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if self.has_revision(id):
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def create(a_bzrdir):
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"""Construct the current default format repository in a_bzrdir."""
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return RepositoryFormat.get_default_format().initialize(a_bzrdir)
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def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
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"""instantiate a Repository.
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:param _format: The format of the repository on disk.
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:param a_bzrdir: The BzrDir of the repository.
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In the future we will have a single api for all stores for
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getting file texts, inventories and revisions, then
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this construct will accept instances of those things.
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object.__init__(self)
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self._format = _format
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# the following are part of the public API for Repository:
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self.bzrdir = a_bzrdir
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self.control_files = control_files
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self._revision_store = _revision_store
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self.text_store = text_store
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# backwards compatability
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self.weave_store = text_store
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# not right yet - should be more semantically clear ?
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self.control_store = control_store
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self.control_weaves = control_store
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def lock_write(self):
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self.control_files.lock_write()
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self.control_files.lock_read()
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return self.control_files.is_locked()
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def missing_revision_ids(self, other, revision_id=None):
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"""Return the revision ids that other has that this does not.
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These are returned in topological order.
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revision_id: only return revision ids included by revision_id.
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return InterRepository.get(other, self).missing_revision_ids(revision_id)
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"""Open the repository rooted at base.
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For instance, if the repository is at URL/.bzr/repository,
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Repository.open(URL) -> a Repository instance.
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control = bzrlib.bzrdir.BzrDir.open(base)
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return control.open_repository()
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def copy_content_into(self, destination, revision_id=None, basis=None):
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"""Make a complete copy of the content in self into destination.
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This is a destructive operation! Do not use it on existing
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return InterRepository.get(self, destination).copy_content(revision_id, basis)
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def fetch(self, source, revision_id=None, pb=None):
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"""Fetch the content required to construct revision_id from source.
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If revision_id is None all content is copied.
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return InterRepository.get(source, self).fetch(revision_id=revision_id,
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self.control_files.unlock()
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def clone(self, a_bzrdir, revision_id=None, basis=None):
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"""Clone this repository into a_bzrdir using the current format.
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Currently no check is made that the format of this repository and
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the bzrdir format are compatible. FIXME RBC 20060201.
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if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
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# use target default format.
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result = a_bzrdir.create_repository()
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# FIXME RBC 20060209 split out the repository type to avoid this check ?
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elif isinstance(a_bzrdir._format,
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(bzrlib.bzrdir.BzrDirFormat4,
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bzrlib.bzrdir.BzrDirFormat5,
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bzrlib.bzrdir.BzrDirFormat6)):
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result = a_bzrdir.open_repository()
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result = self._format.initialize(a_bzrdir, shared=self.is_shared())
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self.copy_content_into(result, revision_id, basis)
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def has_revision(self, revision_id):
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"""True if this repository has a copy of the revision."""
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return self._revision_store.has_revision_id(revision_id,
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self.get_transaction())
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def get_revision_reconcile(self, revision_id):
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"""'reconcile' helper routine that allows access to a revision always.
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This variant of get_revision does not cross check the weave graph
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against the revision one as get_revision does: but it should only
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be used by reconcile, or reconcile-alike commands that are correcting
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or testing the revision graph.
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if not revision_id or not isinstance(revision_id, basestring):
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raise InvalidRevisionId(revision_id=revision_id, branch=self)
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return self._revision_store.get_revision(revision_id,
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self.get_transaction())
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def get_revision_xml(self, revision_id):
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rev = self.get_revision(revision_id)
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# the current serializer..
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self._revision_store._serializer.write_revision(rev, rev_tmp)
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return rev_tmp.getvalue()
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def get_revision(self, revision_id):
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"""Return the Revision object for a named revision"""
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r = self.get_revision_reconcile(revision_id)
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# weave corruption can lead to absent revision markers that should be
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# the following test is reasonably cheap (it needs a single weave read)
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# and the weave is cached in read transactions. In write transactions
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# it is not cached but typically we only read a small number of
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# revisions. For knits when they are introduced we will probably want
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# to ensure that caching write transactions are in use.
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inv = self.get_inventory_weave()
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self._check_revision_parents(r, inv)
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def _check_revision_parents(self, revision, inventory):
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"""Private to Repository and Fetch.
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This checks the parentage of revision in an inventory weave for
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consistency and is only applicable to inventory-weave-for-ancestry
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using repository formats & fetchers.
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weave_parents = inventory.get_parents(revision.revision_id)
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weave_names = inventory.versions()
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for parent_id in revision.parent_ids:
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if parent_id in weave_names:
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# this parent must not be a ghost.
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if not parent_id in weave_parents:
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raise errors.CorruptRepository(self)
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def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
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signature = gpg_strategy.sign(plaintext)
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self._revision_store.add_revision_signature_text(revision_id,
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self.get_transaction())
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def fileid_involved_between_revs(self, from_revid, to_revid):
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"""Find file_id(s) which are involved in the changes between revisions.
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This determines the set of revisions which are involved, and then
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finds all file ids affected by those revisions.
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w = self.get_inventory_weave()
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from_set = set(w.get_ancestry(from_revid))
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to_set = set(w.get_ancestry(to_revid))
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changed = to_set.difference(from_set)
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return self._fileid_involved_by_set(changed)
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def fileid_involved(self, last_revid=None):
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"""Find all file_ids modified in the ancestry of last_revid.
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:param last_revid: If None, last_revision() will be used.
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w = self.get_inventory_weave()
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changed = set(w.versions())
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changed = set(w.get_ancestry(last_revid))
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return self._fileid_involved_by_set(changed)
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def fileid_involved_by_set(self, changes):
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"""Find all file_ids modified by the set of revisions passed in.
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:param changes: A set() of revision ids
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# TODO: jam 20060119 This line does *nothing*, remove it.
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# or better yet, change _fileid_involved_by_set so
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# that it takes the inventory weave, rather than
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# pulling it out by itself.
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return self._fileid_involved_by_set(changes)
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def _fileid_involved_by_set(self, changes):
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"""Find the set of file-ids affected by the set of revisions.
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:param changes: A set() of revision ids.
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:return: A set() of file ids.
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This peaks at the Weave, interpreting each line, looking to
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see if it mentions one of the revisions. And if so, includes
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the file id mentioned.
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This expects both the Weave format, and the serialization
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to have a single line per file/directory, and to have
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fileid="" and revision="" on that line.
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assert isinstance(self._format, (RepositoryFormat5,
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RepositoryFormatKnit1)), \
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"fileid_involved only supported for branches which store inventory as unnested xml"
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w = self.get_inventory_weave()
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# this code needs to read every line in every inventory for the
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# inventories [changes]. Seeing a line twice is ok. Seeing a line
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# not pesent in one of those inventories is unnecessary and not
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# harmful because we are filtering by the revision id marker in the
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# inventory lines to only select file ids altered in one of those
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# revisions. We dont need to see all lines in the inventory because
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# only those added in an inventory in rev X can contain a revision=X
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for line in w.iter_lines_added_or_present_in_versions(changes):
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start = line.find('file_id="')+9
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if start < 9: continue
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end = line.find('"', start)
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file_id = xml.sax.saxutils.unescape(line[start:end])
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# check if file_id is already present
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if file_id in file_ids: continue
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start = line.find('revision="')+10
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if start < 10: continue
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end = line.find('"', start)
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revision_id = xml.sax.saxutils.unescape(line[start:end])
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if revision_id in changes:
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file_ids.add(file_id)
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def get_inventory_weave(self):
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return self.control_weaves.get_weave('inventory',
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self.get_transaction())
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def get_inventory(self, revision_id):
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"""Get Inventory object by hash."""
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xml = self.get_inventory_xml(revision_id)
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return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
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def get_inventory_xml(self, revision_id):
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"""Get inventory XML as a file object."""
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assert isinstance(revision_id, basestring), type(revision_id)
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iw = self.get_inventory_weave()
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return iw.get_text(revision_id)
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raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
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def get_inventory_sha1(self, revision_id):
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"""Return the sha1 hash of the inventory entry
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return self.get_revision(revision_id).inventory_sha1
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def get_revision_graph(self, revision_id=None):
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"""Return a dictionary containing the revision graph.
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:return: a dictionary of revision_id->revision_parents_list.
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weave = self.get_inventory_weave()
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all_revisions = self._eliminate_revisions_not_present(weave.versions())
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entire_graph = dict([(node, weave.get_parents(node)) for
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node in all_revisions])
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if revision_id is None:
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elif revision_id not in entire_graph:
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raise errors.NoSuchRevision(self, revision_id)
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# add what can be reached from revision_id
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pending = set([revision_id])
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while len(pending) > 0:
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result[node] = entire_graph[node]
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for revision_id in result[node]:
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if revision_id not in result:
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pending.add(revision_id)
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def get_revision_graph_with_ghosts(self, revision_ids=None):
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"""Return a graph of the revisions with ghosts marked as applicable.
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:param revision_ids: an iterable of revisions to graph or None for all.
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:return: a Graph object with the graph reachable from revision_ids.
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pending = set(self.all_revision_ids())
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pending = set(revision_ids)
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required = set(revision_ids)
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revision_id = pending.pop()
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rev = self.get_revision(revision_id)
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except errors.NoSuchRevision:
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if revision_id in required:
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result.add_ghost(revision_id)
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for parent_id in rev.parent_ids:
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# is this queued or done ?
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if (parent_id not in pending and
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parent_id not in done):
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pending.add(parent_id)
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result.add_node(revision_id, rev.parent_ids)
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done.add(revision_id)
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def get_revision_inventory(self, revision_id):
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"""Return inventory of a past revision."""
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# TODO: Unify this with get_inventory()
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# bzr 0.0.6 and later imposes the constraint that the inventory_id
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# must be the same as its revision, so this is trivial.
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if revision_id is None:
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# This does not make sense: if there is no revision,
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# then it is the current tree inventory surely ?!
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# and thus get_root_id() is something that looks at the last
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# commit on the branch, and the get_root_id is an inventory check.
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raise NotImplementedError
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# return Inventory(self.get_root_id())
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return self.get_inventory(revision_id)
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"""Return True if this repository is flagged as a shared repository."""
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# FIXME format 4-6 cannot be shared, this is technically faulty.
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return self.control_files._transport.has('shared-storage')
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"""Reconcile this repository."""
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from bzrlib.reconcile import RepoReconciler
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reconciler = RepoReconciler(self)
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reconciler.reconcile()
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def revision_tree(self, revision_id):
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"""Return Tree for a revision on this branch.
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`revision_id` may be None for the null revision, in which case
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an `EmptyTree` is returned."""
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# TODO: refactor this to use an existing revision object
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# so we don't need to read it in twice.
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if revision_id is None or revision_id == NULL_REVISION:
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inv = self.get_revision_inventory(revision_id)
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return RevisionTree(self, inv, revision_id)
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def get_ancestry(self, revision_id):
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"""Return a list of revision-ids integrated by a revision.
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This is topologically sorted.
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if revision_id is None:
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if not self.has_revision(revision_id):
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raise errors.NoSuchRevision(self, revision_id)
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w = self.get_inventory_weave()
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candidates = w.get_ancestry(revision_id)
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return [None] + candidates # self._eliminate_revisions_not_present(candidates)
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def print_file(self, file, revision_id):
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"""Print `file` to stdout.
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FIXME RBC 20060125 as John Meinel points out this is a bad api
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- it writes to stdout, it assumes that that is valid etc. Fix
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by creating a new more flexible convenience function.
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tree = self.revision_tree(revision_id)
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# use inventory as it was in that revision
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file_id = tree.inventory.path2id(file)
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raise BzrError("%r is not present in revision %s" % (file, revno))
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revno = self.revision_id_to_revno(revision_id)
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except errors.NoSuchRevision:
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# TODO: This should not be BzrError,
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# but NoSuchFile doesn't fit either
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raise BzrError('%r is not present in revision %s'
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% (file, revision_id))
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raise BzrError('%r is not present in revision %s'
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tree.print_file(file_id)
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def get_transaction(self):
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return self.control_files.get_transaction()
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def revision_parents(self, revid):
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return self.get_inventory_weave().parent_names(revid)
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def set_make_working_trees(self, new_value):
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"""Set the policy flag for making working trees when creating branches.
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This only applies to branches that use this repository.
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The default is 'True'.
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:param new_value: True to restore the default, False to disable making
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# FIXME: split out into a new class/strategy ?
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if isinstance(self._format, (RepositoryFormat4,
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raise NotImplementedError(self.set_make_working_trees)
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self.control_files._transport.delete('no-working-trees')
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except errors.NoSuchFile:
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self.control_files.put_utf8('no-working-trees', '')
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def make_working_trees(self):
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"""Returns the policy for making working trees on new branches."""
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# FIXME: split out into a new class/strategy ?
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if isinstance(self._format, (RepositoryFormat4,
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return not self.control_files._transport.has('no-working-trees')
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def sign_revision(self, revision_id, gpg_strategy):
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plaintext = Testament.from_revision(self, revision_id).as_short_text()
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self.store_revision_signature(gpg_strategy, plaintext, revision_id)
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def has_signature_for_revision_id(self, revision_id):
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"""Query for a revision signature for revision_id in the repository."""
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return self._revision_store.has_signature(revision_id,
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self.get_transaction())
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def get_signature_text(self, revision_id):
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"""Return the text for a signature."""
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return self._revision_store.get_signature_text(revision_id,
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self.get_transaction())
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class AllInOneRepository(Repository):
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"""Legacy support - the repository behaviour for all-in-one branches."""
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def __init__(self, _format, a_bzrdir, _revision_store, control_store, text_store):
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# we reuse one control files instance.
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dir_mode = a_bzrdir._control_files._dir_mode
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file_mode = a_bzrdir._control_files._file_mode
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def get_weave(name, prefixed=False):
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name = safe_unicode(name)
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relpath = a_bzrdir._control_files._escape(name)
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weave_transport = a_bzrdir._control_files._transport.clone(relpath)
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ws = WeaveStore(weave_transport, prefixed=prefixed,
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if a_bzrdir._control_files._transport.should_cache():
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ws.enable_cache = True
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def get_store(name, compressed=True, prefixed=False):
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# FIXME: This approach of assuming stores are all entirely compressed
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# or entirely uncompressed is tidy, but breaks upgrade from
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# some existing branches where there's a mixture; we probably
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# still want the option to look for both.
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relpath = a_bzrdir._control_files._escape(name)
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store = TextStore(a_bzrdir._control_files._transport.clone(relpath),
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prefixed=prefixed, compressed=compressed,
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#if self._transport.should_cache():
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# cache_path = os.path.join(self.cache_root, name)
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# os.mkdir(cache_path)
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# store = bzrlib.store.CachedStore(store, cache_path)
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# not broken out yet because the controlweaves|inventory_store
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# and text_store | weave_store bits are still different.
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if isinstance(_format, RepositoryFormat4):
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# cannot remove these - there is still no consistent api
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# which allows access to this old info.
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self.inventory_store = get_store('inventory-store')
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text_store = get_store('text-store')
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super(AllInOneRepository, self).__init__(_format, a_bzrdir, a_bzrdir._control_files, _revision_store, control_store, text_store)
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class MetaDirRepository(Repository):
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"""Repositories in the new meta-dir layout."""
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def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
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super(MetaDirRepository, self).__init__(_format,
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dir_mode = self.control_files._dir_mode
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file_mode = self.control_files._file_mode
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def get_weave(name, prefixed=False):
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name = safe_unicode(name)
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relpath = self.control_files._escape(name)
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weave_transport = self.control_files._transport.clone(relpath)
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ws = WeaveStore(weave_transport, prefixed=prefixed,
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if self.control_files._transport.should_cache():
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ws.enable_cache = True
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class KnitRepository(MetaDirRepository):
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"""Knit format repository."""
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def all_revision_ids(self):
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"""See Repository.all_revision_ids()."""
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return self._revision_store.all_revision_ids(self.get_transaction())
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def get_ancestry(self, revision_id):
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"""Return a list of revision-ids integrated by a revision.
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This is topologically sorted.
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if revision_id is None:
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vf = self._revision_store.get_revision_file(self.get_transaction())
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return [None] + vf.get_ancestry(revision_id)
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except errors.RevisionNotPresent:
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raise errors.NoSuchRevision(self, revision_id)
709
def get_revision(self, revision_id):
710
"""Return the Revision object for a named revision"""
711
return self.get_revision_reconcile(revision_id)
714
def get_revision_graph_with_ghosts(self, revision_ids=None):
715
"""Return a graph of the revisions with ghosts marked as applicable.
717
:param revision_ids: an iterable of revisions to graph or None for all.
718
:return: a Graph object with the graph reachable from revision_ids.
721
vf = self._revision_store.get_revision_file(self.get_transaction())
722
versions = vf.versions()
724
pending = set(self.all_revision_ids())
727
pending = set(revision_ids)
728
required = set(revision_ids)
731
revision_id = pending.pop()
732
if not revision_id in versions:
733
if revision_id in required:
734
raise errors.NoSuchRevision(self, revision_id)
736
result.add_ghost(revision_id)
738
parent_ids = vf.get_parents_with_ghosts(revision_id)
739
for parent_id in parent_ids:
740
# is this queued or done ?
741
if (parent_id not in pending and
742
parent_id not in done):
744
pending.add(parent_id)
745
result.add_node(revision_id, parent_ids)
751
"""Reconcile this repository."""
752
from bzrlib.reconcile import KnitReconciler
753
reconciler = KnitReconciler(self)
754
reconciler.reconcile()
758
class RepositoryFormat(object):
759
"""A repository format.
761
Formats provide three things:
762
* An initialization routine to construct repository data on disk.
763
* a format string which is used when the BzrDir supports versioned
765
* an open routine which returns a Repository instance.
767
Formats are placed in an dict by their format string for reference
768
during opening. These should be subclasses of RepositoryFormat
771
Once a format is deprecated, just deprecate the initialize and open
772
methods on the format class. Do not deprecate the object, as the
773
object will be created every system load.
775
Common instance attributes:
776
_matchingbzrdir - the bzrdir format that the repository format was
777
originally written to work with. This can be used if manually
778
constructing a bzrdir and repository, or more commonly for test suite
782
_default_format = None
783
"""The default format used for new repositories."""
786
"""The known formats."""
789
def find_format(klass, a_bzrdir):
790
"""Return the format for the repository object in a_bzrdir."""
792
transport = a_bzrdir.get_repository_transport(None)
793
format_string = transport.get("format").read()
794
return klass._formats[format_string]
795
except errors.NoSuchFile:
796
raise errors.NoRepositoryPresent(a_bzrdir)
798
raise errors.UnknownFormatError(format_string)
800
def _get_control_store(self, repo_transport, control_files):
801
"""Return the control store for this repository."""
802
raise NotImplementedError(self._get_control_store)
805
def get_default_format(klass):
806
"""Return the current default format."""
807
return klass._default_format
809
def get_format_string(self):
810
"""Return the ASCII format string that identifies this format.
812
Note that in pre format ?? repositories the format string is
813
not permitted nor written to disk.
815
raise NotImplementedError(self.get_format_string)
817
def _get_revision_store(self, repo_transport, control_files):
818
"""Return the revision store object for this a_bzrdir."""
819
raise NotImplementedError(self._get_revision_store)
821
def _get_text_rev_store(self,
828
"""Common logic for getting a revision store for a repository.
830
see self._get_revision_store for the subclass-overridable method to
831
get the store for a repository.
833
from bzrlib.store.revision.text import TextRevisionStore
834
dir_mode = control_files._dir_mode
835
file_mode = control_files._file_mode
836
text_store =TextStore(transport.clone(name),
838
compressed=compressed,
841
_revision_store = TextRevisionStore(text_store, serializer)
842
return _revision_store
844
def _get_versioned_file_store(self,
849
versionedfile_class=WeaveFile):
850
weave_transport = control_files._transport.clone(name)
851
dir_mode = control_files._dir_mode
852
file_mode = control_files._file_mode
853
return VersionedFileStore(weave_transport, prefixed=prefixed,
856
versionedfile_class=versionedfile_class)
858
def initialize(self, a_bzrdir, shared=False):
859
"""Initialize a repository of this format in a_bzrdir.
861
:param a_bzrdir: The bzrdir to put the new repository in it.
862
:param shared: The repository should be initialized as a sharable one.
864
This may raise UninitializableFormat if shared repository are not
865
compatible the a_bzrdir.
868
def is_supported(self):
869
"""Is this format supported?
871
Supported formats must be initializable and openable.
872
Unsupported formats may not support initialization or committing or
873
some other features depending on the reason for not being supported.
877
def open(self, a_bzrdir, _found=False):
878
"""Return an instance of this format for the bzrdir a_bzrdir.
880
_found is a private parameter, do not use it.
882
raise NotImplementedError(self.open)
885
def register_format(klass, format):
886
klass._formats[format.get_format_string()] = format
889
def set_default_format(klass, format):
890
klass._default_format = format
893
def unregister_format(klass, format):
894
assert klass._formats[format.get_format_string()] is format
895
del klass._formats[format.get_format_string()]
898
class PreSplitOutRepositoryFormat(RepositoryFormat):
899
"""Base class for the pre split out repository formats."""
901
def initialize(self, a_bzrdir, shared=False, _internal=False):
902
"""Create a weave repository.
904
TODO: when creating split out bzr branch formats, move this to a common
905
base for Format5, Format6. or something like that.
907
from bzrlib.weavefile import write_weave_v5
908
from bzrlib.weave import Weave
911
raise errors.IncompatibleFormat(self, a_bzrdir._format)
914
# always initialized when the bzrdir is.
915
return self.open(a_bzrdir, _found=True)
917
# Create an empty weave
919
bzrlib.weavefile.write_weave_v5(Weave(), sio)
920
empty_weave = sio.getvalue()
922
mutter('creating repository in %s.', a_bzrdir.transport.base)
923
dirs = ['revision-store', 'weaves']
924
files = [('inventory.weave', StringIO(empty_weave)),
927
# FIXME: RBC 20060125 dont peek under the covers
928
# NB: no need to escape relative paths that are url safe.
929
control_files = LockableFiles(a_bzrdir.transport, 'branch-lock',
931
control_files.create_lock()
932
control_files.lock_write()
933
control_files._transport.mkdir_multi(dirs,
934
mode=control_files._dir_mode)
936
for file, content in files:
937
control_files.put(file, content)
939
control_files.unlock()
940
return self.open(a_bzrdir, _found=True)
942
def _get_control_store(self, repo_transport, control_files):
943
"""Return the control store for this repository."""
944
return self._get_versioned_file_store('',
949
def _get_text_store(self, transport, control_files):
950
"""Get a store for file texts for this format."""
951
raise NotImplementedError(self._get_text_store)
953
def open(self, a_bzrdir, _found=False):
954
"""See RepositoryFormat.open()."""
956
# we are being called directly and must probe.
957
raise NotImplementedError
959
repo_transport = a_bzrdir.get_repository_transport(None)
960
control_files = a_bzrdir._control_files
961
text_store = self._get_text_store(repo_transport, control_files)
962
control_store = self._get_control_store(repo_transport, control_files)
963
_revision_store = self._get_revision_store(repo_transport, control_files)
964
return AllInOneRepository(_format=self,
966
_revision_store=_revision_store,
967
control_store=control_store,
968
text_store=text_store)
971
class RepositoryFormat4(PreSplitOutRepositoryFormat):
972
"""Bzr repository format 4.
974
This repository format has:
976
- TextStores for texts, inventories,revisions.
978
This format is deprecated: it indexes texts using a text id which is
979
removed in format 5; initializationa and write support for this format
984
super(RepositoryFormat4, self).__init__()
985
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat4()
987
def initialize(self, url, shared=False, _internal=False):
988
"""Format 4 branches cannot be created."""
989
raise errors.UninitializableFormat(self)
991
def is_supported(self):
992
"""Format 4 is not supported.
994
It is not supported because the model changed from 4 to 5 and the
995
conversion logic is expensive - so doing it on the fly was not
1000
def _get_control_store(self, repo_transport, control_files):
1001
"""Format 4 repositories have no formal control store at this point.
1003
This will cause any control-file-needing apis to fail - this is desired.
1007
def _get_revision_store(self, repo_transport, control_files):
1008
"""See RepositoryFormat._get_revision_store()."""
1009
from bzrlib.xml4 import serializer_v4
1010
return self._get_text_rev_store(repo_transport,
1013
serializer=serializer_v4)
1015
def _get_text_store(self, transport, control_files):
1016
"""See RepositoryFormat._get_text_store()."""
1019
class RepositoryFormat5(PreSplitOutRepositoryFormat):
1020
"""Bzr control format 5.
1022
This repository format has:
1023
- weaves for file texts and inventory
1025
- TextStores for revisions and signatures.
1029
super(RepositoryFormat5, self).__init__()
1030
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat5()
1032
def _get_revision_store(self, repo_transport, control_files):
1033
"""See RepositoryFormat._get_revision_store()."""
1034
"""Return the revision store object for this a_bzrdir."""
1035
return self._get_text_rev_store(repo_transport,
1040
def _get_text_store(self, transport, control_files):
1041
"""See RepositoryFormat._get_text_store()."""
1042
return self._get_versioned_file_store('weaves', transport, control_files, prefixed=False)
1045
class RepositoryFormat6(PreSplitOutRepositoryFormat):
1046
"""Bzr control format 6.
1048
This repository format has:
1049
- weaves for file texts and inventory
1050
- hash subdirectory based stores.
1051
- TextStores for revisions and signatures.
1055
super(RepositoryFormat6, self).__init__()
1056
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat6()
1058
def _get_revision_store(self, repo_transport, control_files):
1059
"""See RepositoryFormat._get_revision_store()."""
1060
return self._get_text_rev_store(repo_transport,
1066
def _get_text_store(self, transport, control_files):
1067
"""See RepositoryFormat._get_text_store()."""
1068
return self._get_versioned_file_store('weaves', transport, control_files)
1071
class MetaDirRepositoryFormat(RepositoryFormat):
1072
"""Common base class for the new repositories using the metadir layour."""
1075
super(MetaDirRepositoryFormat, self).__init__()
1076
self._matchingbzrdir = bzrlib.bzrdir.BzrDirMetaFormat1()
1078
def _create_control_files(self, a_bzrdir):
1079
"""Create the required files and the initial control_files object."""
1080
# FIXME: RBC 20060125 dont peek under the covers
1081
# NB: no need to escape relative paths that are url safe.
1082
repository_transport = a_bzrdir.get_repository_transport(self)
1083
control_files = LockableFiles(repository_transport, 'lock', LockDir)
1084
control_files.create_lock()
1085
return control_files
1087
def _upload_blank_content(self, a_bzrdir, dirs, files, utf8_files, shared):
1088
"""Upload the initial blank content."""
1089
control_files = self._create_control_files(a_bzrdir)
1090
control_files.lock_write()
1092
control_files._transport.mkdir_multi(dirs,
1093
mode=control_files._dir_mode)
1094
for file, content in files:
1095
control_files.put(file, content)
1096
for file, content in utf8_files:
1097
control_files.put_utf8(file, content)
1099
control_files.put_utf8('shared-storage', '')
1101
control_files.unlock()
1104
class RepositoryFormat7(MetaDirRepositoryFormat):
1105
"""Bzr repository 7.
1107
This repository format has:
1108
- weaves for file texts and inventory
1109
- hash subdirectory based stores.
1110
- TextStores for revisions and signatures.
1111
- a format marker of its own
1112
- an optional 'shared-storage' flag
1113
- an optional 'no-working-trees' flag
1116
def _get_control_store(self, repo_transport, control_files):
1117
"""Return the control store for this repository."""
1118
return self._get_versioned_file_store('',
1123
def get_format_string(self):
1124
"""See RepositoryFormat.get_format_string()."""
1125
return "Bazaar-NG Repository format 7"
1127
def _get_revision_store(self, repo_transport, control_files):
1128
"""See RepositoryFormat._get_revision_store()."""
1129
return self._get_text_rev_store(repo_transport,
1136
def _get_text_store(self, transport, control_files):
1137
"""See RepositoryFormat._get_text_store()."""
1138
return self._get_versioned_file_store('weaves',
1142
def initialize(self, a_bzrdir, shared=False):
1143
"""Create a weave repository.
1145
:param shared: If true the repository will be initialized as a shared
1148
from bzrlib.weavefile import write_weave_v5
1149
from bzrlib.weave import Weave
1151
# Create an empty weave
1153
bzrlib.weavefile.write_weave_v5(Weave(), sio)
1154
empty_weave = sio.getvalue()
1156
mutter('creating repository in %s.', a_bzrdir.transport.base)
1157
dirs = ['revision-store', 'weaves']
1158
files = [('inventory.weave', StringIO(empty_weave)),
1160
utf8_files = [('format', self.get_format_string())]
1162
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1163
return self.open(a_bzrdir=a_bzrdir, _found=True)
1165
def open(self, a_bzrdir, _found=False, _override_transport=None):
1166
"""See RepositoryFormat.open().
1168
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1169
repository at a slightly different url
1170
than normal. I.e. during 'upgrade'.
1173
format = RepositoryFormat.find_format(a_bzrdir)
1174
assert format.__class__ == self.__class__
1175
if _override_transport is not None:
1176
repo_transport = _override_transport
1178
repo_transport = a_bzrdir.get_repository_transport(None)
1179
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1180
text_store = self._get_text_store(repo_transport, control_files)
1181
control_store = self._get_control_store(repo_transport, control_files)
1182
_revision_store = self._get_revision_store(repo_transport, control_files)
1183
return MetaDirRepository(_format=self,
1185
control_files=control_files,
1186
_revision_store=_revision_store,
1187
control_store=control_store,
1188
text_store=text_store)
1191
class RepositoryFormatKnit1(MetaDirRepositoryFormat):
1192
"""Bzr repository knit format 1.
1194
This repository format has:
1195
- knits for file texts and inventory
1196
- hash subdirectory based stores.
1197
- knits for revisions and signatures
1198
- TextStores for revisions and signatures.
1199
- a format marker of its own
1200
- an optional 'shared-storage' flag
1201
- an optional 'no-working-trees' flag
1205
def _get_control_store(self, repo_transport, control_files):
1206
"""Return the control store for this repository."""
1207
return self._get_versioned_file_store('',
1211
versionedfile_class=KnitVersionedFile)
1213
def get_format_string(self):
1214
"""See RepositoryFormat.get_format_string()."""
1215
return "Bazaar-NG Knit Repository Format 1"
1217
def _get_revision_store(self, repo_transport, control_files):
1218
"""See RepositoryFormat._get_revision_store()."""
1219
from bzrlib.store.revision.knit import KnitRevisionStore
1220
versioned_file_store = VersionedFileStore(
1222
file_mode = control_files._file_mode,
1225
versionedfile_class=KnitVersionedFile)
1226
return KnitRevisionStore(versioned_file_store)
1228
def _get_text_store(self, transport, control_files):
1229
"""See RepositoryFormat._get_text_store()."""
1230
return self._get_versioned_file_store('knits',
1233
versionedfile_class=KnitVersionedFile)
1235
def initialize(self, a_bzrdir, shared=False):
1236
"""Create a knit format 1 repository.
1238
:param shared: If true the repository will be initialized as a shared
1240
XXX NOTE that this current uses a Weave for testing and will become
1241
A Knit in due course.
1243
from bzrlib.weavefile import write_weave_v5
1244
from bzrlib.weave import Weave
1246
# Create an empty weave
1248
bzrlib.weavefile.write_weave_v5(Weave(), sio)
1249
empty_weave = sio.getvalue()
1251
mutter('creating repository in %s.', a_bzrdir.transport.base)
1252
dirs = ['revision-store', 'knits', 'control']
1253
files = [('control/inventory.weave', StringIO(empty_weave)),
1255
utf8_files = [('format', self.get_format_string())]
1257
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1258
repo_transport = a_bzrdir.get_repository_transport(None)
1259
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1260
control_store = self._get_control_store(repo_transport, control_files)
1261
transaction = bzrlib.transactions.WriteTransaction()
1262
# trigger a write of the inventory store.
1263
control_store.get_weave_or_empty('inventory', transaction)
1264
_revision_store = self._get_revision_store(repo_transport, control_files)
1265
_revision_store.has_revision_id('A', transaction)
1266
_revision_store.get_signature_file(transaction)
1267
return self.open(a_bzrdir=a_bzrdir, _found=True)
1269
def open(self, a_bzrdir, _found=False, _override_transport=None):
1270
"""See RepositoryFormat.open().
1272
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1273
repository at a slightly different url
1274
than normal. I.e. during 'upgrade'.
1277
format = RepositoryFormat.find_format(a_bzrdir)
1278
assert format.__class__ == self.__class__
1279
if _override_transport is not None:
1280
repo_transport = _override_transport
1282
repo_transport = a_bzrdir.get_repository_transport(None)
1283
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1284
text_store = self._get_text_store(repo_transport, control_files)
1285
control_store = self._get_control_store(repo_transport, control_files)
1286
_revision_store = self._get_revision_store(repo_transport, control_files)
1287
return KnitRepository(_format=self,
1289
control_files=control_files,
1290
_revision_store=_revision_store,
1291
control_store=control_store,
1292
text_store=text_store)
1295
# formats which have no format string are not discoverable
1296
# and not independently creatable, so are not registered.
1297
_default_format = RepositoryFormat7()
1298
RepositoryFormat.register_format(_default_format)
1299
RepositoryFormat.register_format(RepositoryFormatKnit1())
1300
RepositoryFormat.set_default_format(_default_format)
1301
_legacy_formats = [RepositoryFormat4(),
1302
RepositoryFormat5(),
1303
RepositoryFormat6()]
1306
class InterRepository(InterObject):
1307
"""This class represents operations taking place between two repositories.
1309
Its instances have methods like copy_content and fetch, and contain
1310
references to the source and target repositories these operations can be
1313
Often we will provide convenience methods on 'repository' which carry out
1314
operations with another repository - they will always forward to
1315
InterRepository.get(other).method_name(parameters).
1319
"""The available optimised InterRepository types."""
1322
def copy_content(self, revision_id=None, basis=None):
1323
"""Make a complete copy of the content in self into destination.
1325
This is a destructive operation! Do not use it on existing
1328
:param revision_id: Only copy the content needed to construct
1329
revision_id and its parents.
1330
:param basis: Copy the needed data preferentially from basis.
1333
self.target.set_make_working_trees(self.source.make_working_trees())
1334
except NotImplementedError:
1336
# grab the basis available data
1337
if basis is not None:
1338
self.target.fetch(basis, revision_id=revision_id)
1339
# but dont bother fetching if we have the needed data now.
1340
if (revision_id not in (None, NULL_REVISION) and
1341
self.target.has_revision(revision_id)):
1343
self.target.fetch(self.source, revision_id=revision_id)
1345
def _double_lock(self, lock_source, lock_target):
1346
"""Take out too locks, rolling back the first if the second throws."""
1351
# we want to ensure that we don't leave source locked by mistake.
1352
# and any error on target should not confuse source.
1353
self.source.unlock()
1357
def fetch(self, revision_id=None, pb=None):
1358
"""Fetch the content required to construct revision_id.
1360
The content is copied from source to target.
1362
:param revision_id: if None all content is copied, if NULL_REVISION no
1364
:param pb: optional progress bar to use for progress reports. If not
1365
provided a default one will be created.
1367
Returns the copied revision count and the failed revisions in a tuple:
1370
from bzrlib.fetch import GenericRepoFetcher
1371
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1372
self.source, self.source._format, self.target, self.target._format)
1373
f = GenericRepoFetcher(to_repository=self.target,
1374
from_repository=self.source,
1375
last_revision=revision_id,
1377
return f.count_copied, f.failed_revisions
1379
def lock_read(self):
1380
"""Take out a logical read lock.
1382
This will lock the source branch and the target branch. The source gets
1383
a read lock and the target a read lock.
1385
self._double_lock(self.source.lock_read, self.target.lock_read)
1387
def lock_write(self):
1388
"""Take out a logical write lock.
1390
This will lock the source branch and the target branch. The source gets
1391
a read lock and the target a write lock.
1393
self._double_lock(self.source.lock_read, self.target.lock_write)
1396
def missing_revision_ids(self, revision_id=None):
1397
"""Return the revision ids that source has that target does not.
1399
These are returned in topological order.
1401
:param revision_id: only return revision ids included by this
1404
# generic, possibly worst case, slow code path.
1405
target_ids = set(self.target.all_revision_ids())
1406
if revision_id is not None:
1407
source_ids = self.source.get_ancestry(revision_id)
1408
assert source_ids.pop(0) == None
1410
source_ids = self.source.all_revision_ids()
1411
result_set = set(source_ids).difference(target_ids)
1412
# this may look like a no-op: its not. It preserves the ordering
1413
# other_ids had while only returning the members from other_ids
1414
# that we've decided we need.
1415
return [rev_id for rev_id in source_ids if rev_id in result_set]
1418
"""Release the locks on source and target."""
1420
self.target.unlock()
1422
self.source.unlock()
1425
class InterWeaveRepo(InterRepository):
1426
"""Optimised code paths between Weave based repositories."""
1428
_matching_repo_format = _default_format
1429
"""Repository format for testing with."""
1432
def is_compatible(source, target):
1433
"""Be compatible with known Weave formats.
1435
We dont test for the stores being of specific types becase that
1436
could lead to confusing results, and there is no need to be
1440
return (isinstance(source._format, (RepositoryFormat5,
1442
RepositoryFormat7)) and
1443
isinstance(target._format, (RepositoryFormat5,
1445
RepositoryFormat7)))
1446
except AttributeError:
1450
def copy_content(self, revision_id=None, basis=None):
1451
"""See InterRepository.copy_content()."""
1452
# weave specific optimised path:
1453
if basis is not None:
1454
# copy the basis in, then fetch remaining data.
1455
basis.copy_content_into(self.target, revision_id)
1456
# the basis copy_content_into could misset this.
1458
self.target.set_make_working_trees(self.source.make_working_trees())
1459
except NotImplementedError:
1461
self.target.fetch(self.source, revision_id=revision_id)
1464
self.target.set_make_working_trees(self.source.make_working_trees())
1465
except NotImplementedError:
1467
# FIXME do not peek!
1468
if self.source.control_files._transport.listable():
1469
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1471
self.target.weave_store.copy_all_ids(
1472
self.source.weave_store,
1474
from_transaction=self.source.get_transaction(),
1475
to_transaction=self.target.get_transaction())
1476
pb.update('copying inventory', 0, 1)
1477
self.target.control_weaves.copy_multi(
1478
self.source.control_weaves, ['inventory'],
1479
from_transaction=self.source.get_transaction(),
1480
to_transaction=self.target.get_transaction())
1481
self.target._revision_store.text_store.copy_all_ids(
1482
self.source._revision_store.text_store,
1487
self.target.fetch(self.source, revision_id=revision_id)
1490
def fetch(self, revision_id=None, pb=None):
1491
"""See InterRepository.fetch()."""
1492
from bzrlib.fetch import GenericRepoFetcher
1493
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1494
self.source, self.source._format, self.target, self.target._format)
1495
f = GenericRepoFetcher(to_repository=self.target,
1496
from_repository=self.source,
1497
last_revision=revision_id,
1499
return f.count_copied, f.failed_revisions
1502
def missing_revision_ids(self, revision_id=None):
1503
"""See InterRepository.missing_revision_ids()."""
1504
# we want all revisions to satisfy revision_id in source.
1505
# but we dont want to stat every file here and there.
1506
# we want then, all revisions other needs to satisfy revision_id
1507
# checked, but not those that we have locally.
1508
# so the first thing is to get a subset of the revisions to
1509
# satisfy revision_id in source, and then eliminate those that
1510
# we do already have.
1511
# this is slow on high latency connection to self, but as as this
1512
# disk format scales terribly for push anyway due to rewriting
1513
# inventory.weave, this is considered acceptable.
1515
if revision_id is not None:
1516
source_ids = self.source.get_ancestry(revision_id)
1517
assert source_ids.pop(0) == None
1519
source_ids = self.source._all_possible_ids()
1520
source_ids_set = set(source_ids)
1521
# source_ids is the worst possible case we may need to pull.
1522
# now we want to filter source_ids against what we actually
1523
# have in target, but dont try to check for existence where we know
1524
# we do not have a revision as that would be pointless.
1525
target_ids = set(self.target._all_possible_ids())
1526
possibly_present_revisions = target_ids.intersection(source_ids_set)
1527
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1528
required_revisions = source_ids_set.difference(actually_present_revisions)
1529
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1530
if revision_id is not None:
1531
# we used get_ancestry to determine source_ids then we are assured all
1532
# revisions referenced are present as they are installed in topological order.
1533
# and the tip revision was validated by get_ancestry.
1534
return required_topo_revisions
1536
# if we just grabbed the possibly available ids, then
1537
# we only have an estimate of whats available and need to validate
1538
# that against the revision records.
1539
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1542
class InterKnitRepo(InterRepository):
1543
"""Optimised code paths between Knit based repositories."""
1545
_matching_repo_format = RepositoryFormatKnit1()
1546
"""Repository format for testing with."""
1549
def is_compatible(source, target):
1550
"""Be compatible with known Knit formats.
1552
We dont test for the stores being of specific types becase that
1553
could lead to confusing results, and there is no need to be
1557
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1558
isinstance(target._format, (RepositoryFormatKnit1)))
1559
except AttributeError:
1563
def fetch(self, revision_id=None, pb=None):
1564
"""See InterRepository.fetch()."""
1565
from bzrlib.fetch import KnitRepoFetcher
1566
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1567
self.source, self.source._format, self.target, self.target._format)
1568
f = KnitRepoFetcher(to_repository=self.target,
1569
from_repository=self.source,
1570
last_revision=revision_id,
1572
return f.count_copied, f.failed_revisions
1575
def missing_revision_ids(self, revision_id=None):
1576
"""See InterRepository.missing_revision_ids()."""
1577
if revision_id is not None:
1578
source_ids = self.source.get_ancestry(revision_id)
1579
assert source_ids.pop(0) == None
1581
source_ids = self.source._all_possible_ids()
1582
source_ids_set = set(source_ids)
1583
# source_ids is the worst possible case we may need to pull.
1584
# now we want to filter source_ids against what we actually
1585
# have in target, but dont try to check for existence where we know
1586
# we do not have a revision as that would be pointless.
1587
target_ids = set(self.target._all_possible_ids())
1588
possibly_present_revisions = target_ids.intersection(source_ids_set)
1589
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1590
required_revisions = source_ids_set.difference(actually_present_revisions)
1591
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1592
if revision_id is not None:
1593
# we used get_ancestry to determine source_ids then we are assured all
1594
# revisions referenced are present as they are installed in topological order.
1595
# and the tip revision was validated by get_ancestry.
1596
return required_topo_revisions
1598
# if we just grabbed the possibly available ids, then
1599
# we only have an estimate of whats available and need to validate
1600
# that against the revision records.
1601
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1603
InterRepository.register_optimiser(InterWeaveRepo)
1604
InterRepository.register_optimiser(InterKnitRepo)
1607
class RepositoryTestProviderAdapter(object):
1608
"""A tool to generate a suite testing multiple repository formats at once.
1610
This is done by copying the test once for each transport and injecting
1611
the transport_server, transport_readonly_server, and bzrdir_format and
1612
repository_format classes into each copy. Each copy is also given a new id()
1613
to make it easy to identify.
1616
def __init__(self, transport_server, transport_readonly_server, formats):
1617
self._transport_server = transport_server
1618
self._transport_readonly_server = transport_readonly_server
1619
self._formats = formats
1621
def adapt(self, test):
1622
result = TestSuite()
1623
for repository_format, bzrdir_format in self._formats:
1624
new_test = deepcopy(test)
1625
new_test.transport_server = self._transport_server
1626
new_test.transport_readonly_server = self._transport_readonly_server
1627
new_test.bzrdir_format = bzrdir_format
1628
new_test.repository_format = repository_format
1629
def make_new_test_id():
1630
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
1631
return lambda: new_id
1632
new_test.id = make_new_test_id()
1633
result.addTest(new_test)
1637
class InterRepositoryTestProviderAdapter(object):
1638
"""A tool to generate a suite testing multiple inter repository formats.
1640
This is done by copying the test once for each interrepo provider and injecting
1641
the transport_server, transport_readonly_server, repository_format and
1642
repository_to_format classes into each copy.
1643
Each copy is also given a new id() to make it easy to identify.
1646
def __init__(self, transport_server, transport_readonly_server, formats):
1647
self._transport_server = transport_server
1648
self._transport_readonly_server = transport_readonly_server
1649
self._formats = formats
1651
def adapt(self, test):
1652
result = TestSuite()
1653
for interrepo_class, repository_format, repository_format_to in self._formats:
1654
new_test = deepcopy(test)
1655
new_test.transport_server = self._transport_server
1656
new_test.transport_readonly_server = self._transport_readonly_server
1657
new_test.interrepo_class = interrepo_class
1658
new_test.repository_format = repository_format
1659
new_test.repository_format_to = repository_format_to
1660
def make_new_test_id():
1661
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
1662
return lambda: new_id
1663
new_test.id = make_new_test_id()
1664
result.addTest(new_test)
1668
def default_test_list():
1669
"""Generate the default list of interrepo permutations to test."""
1671
# test the default InterRepository between format 6 and the current
1673
# XXX: robertc 20060220 reinstate this when there are two supported
1674
# formats which do not have an optimal code path between them.
1675
result.append((InterRepository,
1676
RepositoryFormat6(),
1677
RepositoryFormatKnit1()))
1678
for optimiser in InterRepository._optimisers:
1679
result.append((optimiser,
1680
optimiser._matching_repo_format,
1681
optimiser._matching_repo_format
1683
# if there are specific combinations we want to use, we can add them
1688
class CopyConverter(object):
1689
"""A repository conversion tool which just performs a copy of the content.
1691
This is slow but quite reliable.
1694
def __init__(self, target_format):
1695
"""Create a CopyConverter.
1697
:param target_format: The format the resulting repository should be.
1699
self.target_format = target_format
1701
def convert(self, repo, pb):
1702
"""Perform the conversion of to_convert, giving feedback via pb.
1704
:param to_convert: The disk object to convert.
1705
:param pb: a progress bar to use for progress information.
1710
# this is only useful with metadir layouts - separated repo content.
1711
# trigger an assertion if not such
1712
repo._format.get_format_string()
1713
self.repo_dir = repo.bzrdir
1714
self.step('Moving repository to repository.backup')
1715
self.repo_dir.transport.move('repository', 'repository.backup')
1716
backup_transport = self.repo_dir.transport.clone('repository.backup')
1717
self.source_repo = repo._format.open(self.repo_dir,
1719
_override_transport=backup_transport)
1720
self.step('Creating new repository')
1721
converted = self.target_format.initialize(self.repo_dir,
1722
self.source_repo.is_shared())
1723
converted.lock_write()
1725
self.step('Copying content into repository.')
1726
self.source_repo.copy_content_into(converted)
1729
self.step('Deleting old repository content.')
1730
self.repo_dir.transport.delete_tree('repository.backup')
1731
self.pb.note('repository converted')
1733
def step(self, message):
1734
"""Update the pb by a step."""
1736
self.pb.update(message, self.count, self.total)
added
removed
bzrlib/repository.py
