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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 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 = _unescape_xml(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 = _unescape_xml(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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raise NotImplementedError(self.is_shared)
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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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raise NotImplementedError(self.set_make_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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raise NotImplementedError(self.make_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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"""AllInOne repositories cannot be shared."""
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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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raise NotImplementedError(self.set_make_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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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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"""Return True if this repository is flagged as a shared repository."""
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return self.control_files._transport.has('shared-storage')
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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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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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return not self.control_files._transport.has('no-working-trees')
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class KnitRepository(MetaDirRepository):
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"""Knit format repository."""
719
def all_revision_ids(self):
720
"""See Repository.all_revision_ids()."""
721
return self._revision_store.all_revision_ids(self.get_transaction())
723
def fileid_involved_between_revs(self, from_revid, to_revid):
724
"""Find file_id(s) which are involved in the changes between revisions.
726
This determines the set of revisions which are involved, and then
727
finds all file ids affected by those revisions.
729
vf = self._get_revision_vf()
730
from_set = set(vf.get_ancestry(from_revid))
731
to_set = set(vf.get_ancestry(to_revid))
732
changed = to_set.difference(from_set)
733
return self._fileid_involved_by_set(changed)
735
def fileid_involved(self, last_revid=None):
736
"""Find all file_ids modified in the ancestry of last_revid.
738
:param last_revid: If None, last_revision() will be used.
741
changed = set(self.all_revision_ids())
743
changed = set(self.get_ancestry(last_revid))
746
return self._fileid_involved_by_set(changed)
749
def get_ancestry(self, revision_id):
750
"""Return a list of revision-ids integrated by a revision.
752
This is topologically sorted.
754
if revision_id is None:
756
vf = self._get_revision_vf()
758
return [None] + vf.get_ancestry(revision_id)
759
except errors.RevisionNotPresent:
760
raise errors.NoSuchRevision(self, revision_id)
763
def get_revision(self, revision_id):
764
"""Return the Revision object for a named revision"""
765
return self.get_revision_reconcile(revision_id)
768
def get_revision_graph(self, revision_id=None):
769
"""Return a dictionary containing the revision graph.
771
:return: a dictionary of revision_id->revision_parents_list.
773
weave = self._get_revision_vf()
774
entire_graph = weave.get_graph()
775
if revision_id is None:
776
return weave.get_graph()
777
elif revision_id not in weave:
778
raise errors.NoSuchRevision(self, revision_id)
780
# add what can be reached from revision_id
782
pending = set([revision_id])
783
while len(pending) > 0:
785
result[node] = weave.get_parents(node)
786
for revision_id in result[node]:
787
if revision_id not in result:
788
pending.add(revision_id)
792
def get_revision_graph_with_ghosts(self, revision_ids=None):
793
"""Return a graph of the revisions with ghosts marked as applicable.
795
:param revision_ids: an iterable of revisions to graph or None for all.
796
:return: a Graph object with the graph reachable from revision_ids.
799
vf = self._get_revision_vf()
800
versions = vf.versions()
802
pending = set(self.all_revision_ids())
805
pending = set(revision_ids)
806
required = set(revision_ids)
809
revision_id = pending.pop()
810
if not revision_id in versions:
811
if revision_id in required:
812
raise errors.NoSuchRevision(self, revision_id)
814
result.add_ghost(revision_id)
816
parent_ids = vf.get_parents_with_ghosts(revision_id)
817
for parent_id in parent_ids:
818
# is this queued or done ?
819
if (parent_id not in pending and
820
parent_id not in done):
822
pending.add(parent_id)
823
result.add_node(revision_id, parent_ids)
827
def _get_revision_vf(self):
828
""":return: a versioned file containing the revisions."""
829
vf = self._revision_store.get_revision_file(self.get_transaction())
834
"""Reconcile this repository."""
835
from bzrlib.reconcile import KnitReconciler
836
reconciler = KnitReconciler(self)
837
reconciler.reconcile()
840
def revision_parents(self, revid):
841
return self._get_revision_vf().get_parents(rev_id)
843
class RepositoryFormat(object):
844
"""A repository format.
846
Formats provide three things:
847
* An initialization routine to construct repository data on disk.
848
* a format string which is used when the BzrDir supports versioned
850
* an open routine which returns a Repository instance.
852
Formats are placed in an dict by their format string for reference
853
during opening. These should be subclasses of RepositoryFormat
856
Once a format is deprecated, just deprecate the initialize and open
857
methods on the format class. Do not deprecate the object, as the
858
object will be created every system load.
860
Common instance attributes:
861
_matchingbzrdir - the bzrdir format that the repository format was
862
originally written to work with. This can be used if manually
863
constructing a bzrdir and repository, or more commonly for test suite
867
_default_format = None
868
"""The default format used for new repositories."""
871
"""The known formats."""
874
def find_format(klass, a_bzrdir):
875
"""Return the format for the repository object in a_bzrdir."""
877
transport = a_bzrdir.get_repository_transport(None)
878
format_string = transport.get("format").read()
879
return klass._formats[format_string]
880
except errors.NoSuchFile:
881
raise errors.NoRepositoryPresent(a_bzrdir)
883
raise errors.UnknownFormatError(format_string)
885
def _get_control_store(self, repo_transport, control_files):
886
"""Return the control store for this repository."""
887
raise NotImplementedError(self._get_control_store)
890
def get_default_format(klass):
891
"""Return the current default format."""
892
return klass._default_format
894
def get_format_string(self):
895
"""Return the ASCII format string that identifies this format.
897
Note that in pre format ?? repositories the format string is
898
not permitted nor written to disk.
900
raise NotImplementedError(self.get_format_string)
902
def _get_revision_store(self, repo_transport, control_files):
903
"""Return the revision store object for this a_bzrdir."""
904
raise NotImplementedError(self._get_revision_store)
906
def _get_text_rev_store(self,
913
"""Common logic for getting a revision store for a repository.
915
see self._get_revision_store for the subclass-overridable method to
916
get the store for a repository.
918
from bzrlib.store.revision.text import TextRevisionStore
919
dir_mode = control_files._dir_mode
920
file_mode = control_files._file_mode
921
text_store =TextStore(transport.clone(name),
923
compressed=compressed,
926
_revision_store = TextRevisionStore(text_store, serializer)
927
return _revision_store
929
def _get_versioned_file_store(self,
934
versionedfile_class=WeaveFile):
935
weave_transport = control_files._transport.clone(name)
936
dir_mode = control_files._dir_mode
937
file_mode = control_files._file_mode
938
return VersionedFileStore(weave_transport, prefixed=prefixed,
941
versionedfile_class=versionedfile_class)
943
def initialize(self, a_bzrdir, shared=False):
944
"""Initialize a repository of this format in a_bzrdir.
946
:param a_bzrdir: The bzrdir to put the new repository in it.
947
:param shared: The repository should be initialized as a sharable one.
949
This may raise UninitializableFormat if shared repository are not
950
compatible the a_bzrdir.
953
def is_supported(self):
954
"""Is this format supported?
956
Supported formats must be initializable and openable.
957
Unsupported formats may not support initialization or committing or
958
some other features depending on the reason for not being supported.
962
def open(self, a_bzrdir, _found=False):
963
"""Return an instance of this format for the bzrdir a_bzrdir.
965
_found is a private parameter, do not use it.
967
raise NotImplementedError(self.open)
970
def register_format(klass, format):
971
klass._formats[format.get_format_string()] = format
974
def set_default_format(klass, format):
975
klass._default_format = format
978
def unregister_format(klass, format):
979
assert klass._formats[format.get_format_string()] is format
980
del klass._formats[format.get_format_string()]
983
class PreSplitOutRepositoryFormat(RepositoryFormat):
984
"""Base class for the pre split out repository formats."""
986
def initialize(self, a_bzrdir, shared=False, _internal=False):
987
"""Create a weave repository.
989
TODO: when creating split out bzr branch formats, move this to a common
990
base for Format5, Format6. or something like that.
992
from bzrlib.weavefile import write_weave_v5
993
from bzrlib.weave import Weave
996
raise errors.IncompatibleFormat(self, a_bzrdir._format)
999
# always initialized when the bzrdir is.
1000
return self.open(a_bzrdir, _found=True)
1002
# Create an empty weave
1004
bzrlib.weavefile.write_weave_v5(Weave(), sio)
1005
empty_weave = sio.getvalue()
1007
mutter('creating repository in %s.', a_bzrdir.transport.base)
1008
dirs = ['revision-store', 'weaves']
1009
files = [('inventory.weave', StringIO(empty_weave)),
1012
# FIXME: RBC 20060125 dont peek under the covers
1013
# NB: no need to escape relative paths that are url safe.
1014
control_files = LockableFiles(a_bzrdir.transport, 'branch-lock',
1016
control_files.create_lock()
1017
control_files.lock_write()
1018
control_files._transport.mkdir_multi(dirs,
1019
mode=control_files._dir_mode)
1021
for file, content in files:
1022
control_files.put(file, content)
1024
control_files.unlock()
1025
return self.open(a_bzrdir, _found=True)
1027
def _get_control_store(self, repo_transport, control_files):
1028
"""Return the control store for this repository."""
1029
return self._get_versioned_file_store('',
1034
def _get_text_store(self, transport, control_files):
1035
"""Get a store for file texts for this format."""
1036
raise NotImplementedError(self._get_text_store)
1038
def open(self, a_bzrdir, _found=False):
1039
"""See RepositoryFormat.open()."""
1041
# we are being called directly and must probe.
1042
raise NotImplementedError
1044
repo_transport = a_bzrdir.get_repository_transport(None)
1045
control_files = a_bzrdir._control_files
1046
text_store = self._get_text_store(repo_transport, control_files)
1047
control_store = self._get_control_store(repo_transport, control_files)
1048
_revision_store = self._get_revision_store(repo_transport, control_files)
1049
return AllInOneRepository(_format=self,
1051
_revision_store=_revision_store,
1052
control_store=control_store,
1053
text_store=text_store)
1056
class RepositoryFormat4(PreSplitOutRepositoryFormat):
1057
"""Bzr repository format 4.
1059
This repository format has:
1061
- TextStores for texts, inventories,revisions.
1063
This format is deprecated: it indexes texts using a text id which is
1064
removed in format 5; initializationa and write support for this format
1069
super(RepositoryFormat4, self).__init__()
1070
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat4()
1072
def initialize(self, url, shared=False, _internal=False):
1073
"""Format 4 branches cannot be created."""
1074
raise errors.UninitializableFormat(self)
1076
def is_supported(self):
1077
"""Format 4 is not supported.
1079
It is not supported because the model changed from 4 to 5 and the
1080
conversion logic is expensive - so doing it on the fly was not
1085
def _get_control_store(self, repo_transport, control_files):
1086
"""Format 4 repositories have no formal control store at this point.
1088
This will cause any control-file-needing apis to fail - this is desired.
1092
def _get_revision_store(self, repo_transport, control_files):
1093
"""See RepositoryFormat._get_revision_store()."""
1094
from bzrlib.xml4 import serializer_v4
1095
return self._get_text_rev_store(repo_transport,
1098
serializer=serializer_v4)
1100
def _get_text_store(self, transport, control_files):
1101
"""See RepositoryFormat._get_text_store()."""
1104
class RepositoryFormat5(PreSplitOutRepositoryFormat):
1105
"""Bzr control format 5.
1107
This repository format has:
1108
- weaves for file texts and inventory
1110
- TextStores for revisions and signatures.
1114
super(RepositoryFormat5, self).__init__()
1115
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat5()
1117
def _get_revision_store(self, repo_transport, control_files):
1118
"""See RepositoryFormat._get_revision_store()."""
1119
"""Return the revision store object for this a_bzrdir."""
1120
return self._get_text_rev_store(repo_transport,
1125
def _get_text_store(self, transport, control_files):
1126
"""See RepositoryFormat._get_text_store()."""
1127
return self._get_versioned_file_store('weaves', transport, control_files, prefixed=False)
1130
class RepositoryFormat6(PreSplitOutRepositoryFormat):
1131
"""Bzr control format 6.
1133
This repository format has:
1134
- weaves for file texts and inventory
1135
- hash subdirectory based stores.
1136
- TextStores for revisions and signatures.
1140
super(RepositoryFormat6, self).__init__()
1141
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat6()
1143
def _get_revision_store(self, repo_transport, control_files):
1144
"""See RepositoryFormat._get_revision_store()."""
1145
return self._get_text_rev_store(repo_transport,
1151
def _get_text_store(self, transport, control_files):
1152
"""See RepositoryFormat._get_text_store()."""
1153
return self._get_versioned_file_store('weaves', transport, control_files)
1156
class MetaDirRepositoryFormat(RepositoryFormat):
1157
"""Common base class for the new repositories using the metadir layour."""
1160
super(MetaDirRepositoryFormat, self).__init__()
1161
self._matchingbzrdir = bzrlib.bzrdir.BzrDirMetaFormat1()
1163
def _create_control_files(self, a_bzrdir):
1164
"""Create the required files and the initial control_files object."""
1165
# FIXME: RBC 20060125 dont peek under the covers
1166
# NB: no need to escape relative paths that are url safe.
1167
repository_transport = a_bzrdir.get_repository_transport(self)
1168
control_files = LockableFiles(repository_transport, 'lock', LockDir)
1169
control_files.create_lock()
1170
return control_files
1172
def _upload_blank_content(self, a_bzrdir, dirs, files, utf8_files, shared):
1173
"""Upload the initial blank content."""
1174
control_files = self._create_control_files(a_bzrdir)
1175
control_files.lock_write()
1177
control_files._transport.mkdir_multi(dirs,
1178
mode=control_files._dir_mode)
1179
for file, content in files:
1180
control_files.put(file, content)
1181
for file, content in utf8_files:
1182
control_files.put_utf8(file, content)
1184
control_files.put_utf8('shared-storage', '')
1186
control_files.unlock()
1189
class RepositoryFormat7(MetaDirRepositoryFormat):
1190
"""Bzr repository 7.
1192
This repository format has:
1193
- weaves for file texts and inventory
1194
- hash subdirectory based stores.
1195
- TextStores for revisions and signatures.
1196
- a format marker of its own
1197
- an optional 'shared-storage' flag
1198
- an optional 'no-working-trees' flag
1201
def _get_control_store(self, repo_transport, control_files):
1202
"""Return the control store for this repository."""
1203
return self._get_versioned_file_store('',
1208
def get_format_string(self):
1209
"""See RepositoryFormat.get_format_string()."""
1210
return "Bazaar-NG Repository format 7"
1212
def _get_revision_store(self, repo_transport, control_files):
1213
"""See RepositoryFormat._get_revision_store()."""
1214
return self._get_text_rev_store(repo_transport,
1221
def _get_text_store(self, transport, control_files):
1222
"""See RepositoryFormat._get_text_store()."""
1223
return self._get_versioned_file_store('weaves',
1227
def initialize(self, a_bzrdir, shared=False):
1228
"""Create a weave repository.
1230
:param shared: If true the repository will be initialized as a shared
1233
from bzrlib.weavefile import write_weave_v5
1234
from bzrlib.weave import Weave
1236
# Create an empty weave
1238
bzrlib.weavefile.write_weave_v5(Weave(), sio)
1239
empty_weave = sio.getvalue()
1241
mutter('creating repository in %s.', a_bzrdir.transport.base)
1242
dirs = ['revision-store', 'weaves']
1243
files = [('inventory.weave', StringIO(empty_weave)),
1245
utf8_files = [('format', self.get_format_string())]
1247
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1248
return self.open(a_bzrdir=a_bzrdir, _found=True)
1250
def open(self, a_bzrdir, _found=False, _override_transport=None):
1251
"""See RepositoryFormat.open().
1253
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1254
repository at a slightly different url
1255
than normal. I.e. during 'upgrade'.
1258
format = RepositoryFormat.find_format(a_bzrdir)
1259
assert format.__class__ == self.__class__
1260
if _override_transport is not None:
1261
repo_transport = _override_transport
1263
repo_transport = a_bzrdir.get_repository_transport(None)
1264
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1265
text_store = self._get_text_store(repo_transport, control_files)
1266
control_store = self._get_control_store(repo_transport, control_files)
1267
_revision_store = self._get_revision_store(repo_transport, control_files)
1268
return MetaDirRepository(_format=self,
1270
control_files=control_files,
1271
_revision_store=_revision_store,
1272
control_store=control_store,
1273
text_store=text_store)
1276
class RepositoryFormatKnit1(MetaDirRepositoryFormat):
1277
"""Bzr repository knit format 1.
1279
This repository format has:
1280
- knits for file texts and inventory
1281
- hash subdirectory based stores.
1282
- knits for revisions and signatures
1283
- TextStores for revisions and signatures.
1284
- a format marker of its own
1285
- an optional 'shared-storage' flag
1286
- an optional 'no-working-trees' flag
1290
def _get_control_store(self, repo_transport, control_files):
1291
"""Return the control store for this repository."""
1292
return self._get_versioned_file_store('',
1296
versionedfile_class=KnitVersionedFile)
1298
def get_format_string(self):
1299
"""See RepositoryFormat.get_format_string()."""
1300
return "Bazaar-NG Knit Repository Format 1"
1302
def _get_revision_store(self, repo_transport, control_files):
1303
"""See RepositoryFormat._get_revision_store()."""
1304
from bzrlib.store.revision.knit import KnitRevisionStore
1305
versioned_file_store = VersionedFileStore(
1307
file_mode = control_files._file_mode,
1310
versionedfile_class=KnitVersionedFile)
1311
return KnitRevisionStore(versioned_file_store)
1313
def _get_text_store(self, transport, control_files):
1314
"""See RepositoryFormat._get_text_store()."""
1315
return self._get_versioned_file_store('knits',
1318
versionedfile_class=KnitVersionedFile)
1320
def initialize(self, a_bzrdir, shared=False):
1321
"""Create a knit format 1 repository.
1323
:param shared: If true the repository will be initialized as a shared
1325
XXX NOTE that this current uses a Weave for testing and will become
1326
A Knit in due course.
1328
from bzrlib.weavefile import write_weave_v5
1329
from bzrlib.weave import Weave
1331
# Create an empty weave
1333
bzrlib.weavefile.write_weave_v5(Weave(), sio)
1334
empty_weave = sio.getvalue()
1336
mutter('creating repository in %s.', a_bzrdir.transport.base)
1337
dirs = ['revision-store', 'knits', 'control']
1338
files = [('control/inventory.weave', StringIO(empty_weave)),
1340
utf8_files = [('format', self.get_format_string())]
1342
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1343
repo_transport = a_bzrdir.get_repository_transport(None)
1344
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1345
control_store = self._get_control_store(repo_transport, control_files)
1346
transaction = bzrlib.transactions.WriteTransaction()
1347
# trigger a write of the inventory store.
1348
control_store.get_weave_or_empty('inventory', transaction)
1349
_revision_store = self._get_revision_store(repo_transport, control_files)
1350
_revision_store.has_revision_id('A', transaction)
1351
_revision_store.get_signature_file(transaction)
1352
return self.open(a_bzrdir=a_bzrdir, _found=True)
1354
def open(self, a_bzrdir, _found=False, _override_transport=None):
1355
"""See RepositoryFormat.open().
1357
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1358
repository at a slightly different url
1359
than normal. I.e. during 'upgrade'.
1362
format = RepositoryFormat.find_format(a_bzrdir)
1363
assert format.__class__ == self.__class__
1364
if _override_transport is not None:
1365
repo_transport = _override_transport
1367
repo_transport = a_bzrdir.get_repository_transport(None)
1368
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1369
text_store = self._get_text_store(repo_transport, control_files)
1370
control_store = self._get_control_store(repo_transport, control_files)
1371
_revision_store = self._get_revision_store(repo_transport, control_files)
1372
return KnitRepository(_format=self,
1374
control_files=control_files,
1375
_revision_store=_revision_store,
1376
control_store=control_store,
1377
text_store=text_store)
1380
# formats which have no format string are not discoverable
1381
# and not independently creatable, so are not registered.
1382
_default_format = RepositoryFormat7()
1383
RepositoryFormat.register_format(_default_format)
1384
RepositoryFormat.register_format(RepositoryFormatKnit1())
1385
RepositoryFormat.set_default_format(_default_format)
1386
_legacy_formats = [RepositoryFormat4(),
1387
RepositoryFormat5(),
1388
RepositoryFormat6()]
1391
class InterRepository(InterObject):
1392
"""This class represents operations taking place between two repositories.
1394
Its instances have methods like copy_content and fetch, and contain
1395
references to the source and target repositories these operations can be
1398
Often we will provide convenience methods on 'repository' which carry out
1399
operations with another repository - they will always forward to
1400
InterRepository.get(other).method_name(parameters).
1404
"""The available optimised InterRepository types."""
1407
def copy_content(self, revision_id=None, basis=None):
1408
"""Make a complete copy of the content in self into destination.
1410
This is a destructive operation! Do not use it on existing
1413
:param revision_id: Only copy the content needed to construct
1414
revision_id and its parents.
1415
:param basis: Copy the needed data preferentially from basis.
1418
self.target.set_make_working_trees(self.source.make_working_trees())
1419
except NotImplementedError:
1421
# grab the basis available data
1422
if basis is not None:
1423
self.target.fetch(basis, revision_id=revision_id)
1424
# but dont bother fetching if we have the needed data now.
1425
if (revision_id not in (None, NULL_REVISION) and
1426
self.target.has_revision(revision_id)):
1428
self.target.fetch(self.source, revision_id=revision_id)
1430
def _double_lock(self, lock_source, lock_target):
1431
"""Take out too locks, rolling back the first if the second throws."""
1436
# we want to ensure that we don't leave source locked by mistake.
1437
# and any error on target should not confuse source.
1438
self.source.unlock()
1442
def fetch(self, revision_id=None, pb=None):
1443
"""Fetch the content required to construct revision_id.
1445
The content is copied from source to target.
1447
:param revision_id: if None all content is copied, if NULL_REVISION no
1449
:param pb: optional progress bar to use for progress reports. If not
1450
provided a default one will be created.
1452
Returns the copied revision count and the failed revisions in a tuple:
1455
from bzrlib.fetch import GenericRepoFetcher
1456
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1457
self.source, self.source._format, self.target, self.target._format)
1458
f = GenericRepoFetcher(to_repository=self.target,
1459
from_repository=self.source,
1460
last_revision=revision_id,
1462
return f.count_copied, f.failed_revisions
1464
def lock_read(self):
1465
"""Take out a logical read lock.
1467
This will lock the source branch and the target branch. The source gets
1468
a read lock and the target a read lock.
1470
self._double_lock(self.source.lock_read, self.target.lock_read)
1472
def lock_write(self):
1473
"""Take out a logical write lock.
1475
This will lock the source branch and the target branch. The source gets
1476
a read lock and the target a write lock.
1478
self._double_lock(self.source.lock_read, self.target.lock_write)
1481
def missing_revision_ids(self, revision_id=None):
1482
"""Return the revision ids that source has that target does not.
1484
These are returned in topological order.
1486
:param revision_id: only return revision ids included by this
1489
# generic, possibly worst case, slow code path.
1490
target_ids = set(self.target.all_revision_ids())
1491
if revision_id is not None:
1492
source_ids = self.source.get_ancestry(revision_id)
1493
assert source_ids.pop(0) == None
1495
source_ids = self.source.all_revision_ids()
1496
result_set = set(source_ids).difference(target_ids)
1497
# this may look like a no-op: its not. It preserves the ordering
1498
# other_ids had while only returning the members from other_ids
1499
# that we've decided we need.
1500
return [rev_id for rev_id in source_ids if rev_id in result_set]
1503
"""Release the locks on source and target."""
1505
self.target.unlock()
1507
self.source.unlock()
1510
class InterWeaveRepo(InterRepository):
1511
"""Optimised code paths between Weave based repositories."""
1513
_matching_repo_format = _default_format
1514
"""Repository format for testing with."""
1517
def is_compatible(source, target):
1518
"""Be compatible with known Weave formats.
1520
We dont test for the stores being of specific types becase that
1521
could lead to confusing results, and there is no need to be
1525
return (isinstance(source._format, (RepositoryFormat5,
1527
RepositoryFormat7)) and
1528
isinstance(target._format, (RepositoryFormat5,
1530
RepositoryFormat7)))
1531
except AttributeError:
1535
def copy_content(self, revision_id=None, basis=None):
1536
"""See InterRepository.copy_content()."""
1537
# weave specific optimised path:
1538
if basis is not None:
1539
# copy the basis in, then fetch remaining data.
1540
basis.copy_content_into(self.target, revision_id)
1541
# the basis copy_content_into could misset this.
1543
self.target.set_make_working_trees(self.source.make_working_trees())
1544
except NotImplementedError:
1546
self.target.fetch(self.source, revision_id=revision_id)
1549
self.target.set_make_working_trees(self.source.make_working_trees())
1550
except NotImplementedError:
1552
# FIXME do not peek!
1553
if self.source.control_files._transport.listable():
1554
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1556
self.target.weave_store.copy_all_ids(
1557
self.source.weave_store,
1559
from_transaction=self.source.get_transaction(),
1560
to_transaction=self.target.get_transaction())
1561
pb.update('copying inventory', 0, 1)
1562
self.target.control_weaves.copy_multi(
1563
self.source.control_weaves, ['inventory'],
1564
from_transaction=self.source.get_transaction(),
1565
to_transaction=self.target.get_transaction())
1566
self.target._revision_store.text_store.copy_all_ids(
1567
self.source._revision_store.text_store,
1572
self.target.fetch(self.source, revision_id=revision_id)
1575
def fetch(self, revision_id=None, pb=None):
1576
"""See InterRepository.fetch()."""
1577
from bzrlib.fetch import GenericRepoFetcher
1578
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1579
self.source, self.source._format, self.target, self.target._format)
1580
f = GenericRepoFetcher(to_repository=self.target,
1581
from_repository=self.source,
1582
last_revision=revision_id,
1584
return f.count_copied, f.failed_revisions
1587
def missing_revision_ids(self, revision_id=None):
1588
"""See InterRepository.missing_revision_ids()."""
1589
# we want all revisions to satisfy revision_id in source.
1590
# but we dont want to stat every file here and there.
1591
# we want then, all revisions other needs to satisfy revision_id
1592
# checked, but not those that we have locally.
1593
# so the first thing is to get a subset of the revisions to
1594
# satisfy revision_id in source, and then eliminate those that
1595
# we do already have.
1596
# this is slow on high latency connection to self, but as as this
1597
# disk format scales terribly for push anyway due to rewriting
1598
# inventory.weave, this is considered acceptable.
1600
if revision_id is not None:
1601
source_ids = self.source.get_ancestry(revision_id)
1602
assert source_ids.pop(0) == None
1604
source_ids = self.source._all_possible_ids()
1605
source_ids_set = set(source_ids)
1606
# source_ids is the worst possible case we may need to pull.
1607
# now we want to filter source_ids against what we actually
1608
# have in target, but dont try to check for existence where we know
1609
# we do not have a revision as that would be pointless.
1610
target_ids = set(self.target._all_possible_ids())
1611
possibly_present_revisions = target_ids.intersection(source_ids_set)
1612
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1613
required_revisions = source_ids_set.difference(actually_present_revisions)
1614
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1615
if revision_id is not None:
1616
# we used get_ancestry to determine source_ids then we are assured all
1617
# revisions referenced are present as they are installed in topological order.
1618
# and the tip revision was validated by get_ancestry.
1619
return required_topo_revisions
1621
# if we just grabbed the possibly available ids, then
1622
# we only have an estimate of whats available and need to validate
1623
# that against the revision records.
1624
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1627
class InterKnitRepo(InterRepository):
1628
"""Optimised code paths between Knit based repositories."""
1630
_matching_repo_format = RepositoryFormatKnit1()
1631
"""Repository format for testing with."""
1634
def is_compatible(source, target):
1635
"""Be compatible with known Knit formats.
1637
We dont test for the stores being of specific types becase that
1638
could lead to confusing results, and there is no need to be
1642
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1643
isinstance(target._format, (RepositoryFormatKnit1)))
1644
except AttributeError:
1648
def fetch(self, revision_id=None, pb=None):
1649
"""See InterRepository.fetch()."""
1650
from bzrlib.fetch import KnitRepoFetcher
1651
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1652
self.source, self.source._format, self.target, self.target._format)
1653
f = KnitRepoFetcher(to_repository=self.target,
1654
from_repository=self.source,
1655
last_revision=revision_id,
1657
return f.count_copied, f.failed_revisions
1660
def missing_revision_ids(self, revision_id=None):
1661
"""See InterRepository.missing_revision_ids()."""
1662
if revision_id is not None:
1663
source_ids = self.source.get_ancestry(revision_id)
1664
assert source_ids.pop(0) == None
1666
source_ids = self.source._all_possible_ids()
1667
source_ids_set = set(source_ids)
1668
# source_ids is the worst possible case we may need to pull.
1669
# now we want to filter source_ids against what we actually
1670
# have in target, but dont try to check for existence where we know
1671
# we do not have a revision as that would be pointless.
1672
target_ids = set(self.target._all_possible_ids())
1673
possibly_present_revisions = target_ids.intersection(source_ids_set)
1674
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1675
required_revisions = source_ids_set.difference(actually_present_revisions)
1676
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1677
if revision_id is not None:
1678
# we used get_ancestry to determine source_ids then we are assured all
1679
# revisions referenced are present as they are installed in topological order.
1680
# and the tip revision was validated by get_ancestry.
1681
return required_topo_revisions
1683
# if we just grabbed the possibly available ids, then
1684
# we only have an estimate of whats available and need to validate
1685
# that against the revision records.
1686
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1688
InterRepository.register_optimiser(InterWeaveRepo)
1689
InterRepository.register_optimiser(InterKnitRepo)
1692
class RepositoryTestProviderAdapter(object):
1693
"""A tool to generate a suite testing multiple repository formats at once.
1695
This is done by copying the test once for each transport and injecting
1696
the transport_server, transport_readonly_server, and bzrdir_format and
1697
repository_format classes into each copy. Each copy is also given a new id()
1698
to make it easy to identify.
1701
def __init__(self, transport_server, transport_readonly_server, formats):
1702
self._transport_server = transport_server
1703
self._transport_readonly_server = transport_readonly_server
1704
self._formats = formats
1706
def adapt(self, test):
1707
result = TestSuite()
1708
for repository_format, bzrdir_format in self._formats:
1709
new_test = deepcopy(test)
1710
new_test.transport_server = self._transport_server
1711
new_test.transport_readonly_server = self._transport_readonly_server
1712
new_test.bzrdir_format = bzrdir_format
1713
new_test.repository_format = repository_format
1714
def make_new_test_id():
1715
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
1716
return lambda: new_id
1717
new_test.id = make_new_test_id()
1718
result.addTest(new_test)
1722
class InterRepositoryTestProviderAdapter(object):
1723
"""A tool to generate a suite testing multiple inter repository formats.
1725
This is done by copying the test once for each interrepo provider and injecting
1726
the transport_server, transport_readonly_server, repository_format and
1727
repository_to_format classes into each copy.
1728
Each copy is also given a new id() to make it easy to identify.
1731
def __init__(self, transport_server, transport_readonly_server, formats):
1732
self._transport_server = transport_server
1733
self._transport_readonly_server = transport_readonly_server
1734
self._formats = formats
1736
def adapt(self, test):
1737
result = TestSuite()
1738
for interrepo_class, repository_format, repository_format_to in self._formats:
1739
new_test = deepcopy(test)
1740
new_test.transport_server = self._transport_server
1741
new_test.transport_readonly_server = self._transport_readonly_server
1742
new_test.interrepo_class = interrepo_class
1743
new_test.repository_format = repository_format
1744
new_test.repository_format_to = repository_format_to
1745
def make_new_test_id():
1746
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
1747
return lambda: new_id
1748
new_test.id = make_new_test_id()
1749
result.addTest(new_test)
1753
def default_test_list():
1754
"""Generate the default list of interrepo permutations to test."""
1756
# test the default InterRepository between format 6 and the current
1758
# XXX: robertc 20060220 reinstate this when there are two supported
1759
# formats which do not have an optimal code path between them.
1760
result.append((InterRepository,
1761
RepositoryFormat6(),
1762
RepositoryFormatKnit1()))
1763
for optimiser in InterRepository._optimisers:
1764
result.append((optimiser,
1765
optimiser._matching_repo_format,
1766
optimiser._matching_repo_format
1768
# if there are specific combinations we want to use, we can add them
1773
class CopyConverter(object):
1774
"""A repository conversion tool which just performs a copy of the content.
1776
This is slow but quite reliable.
1779
def __init__(self, target_format):
1780
"""Create a CopyConverter.
1782
:param target_format: The format the resulting repository should be.
1784
self.target_format = target_format
1786
def convert(self, repo, pb):
1787
"""Perform the conversion of to_convert, giving feedback via pb.
1789
:param to_convert: The disk object to convert.
1790
:param pb: a progress bar to use for progress information.
1795
# this is only useful with metadir layouts - separated repo content.
1796
# trigger an assertion if not such
1797
repo._format.get_format_string()
1798
self.repo_dir = repo.bzrdir
1799
self.step('Moving repository to repository.backup')
1800
self.repo_dir.transport.move('repository', 'repository.backup')
1801
backup_transport = self.repo_dir.transport.clone('repository.backup')
1802
self.source_repo = repo._format.open(self.repo_dir,
1804
_override_transport=backup_transport)
1805
self.step('Creating new repository')
1806
converted = self.target_format.initialize(self.repo_dir,
1807
self.source_repo.is_shared())
1808
converted.lock_write()
1810
self.step('Copying content into repository.')
1811
self.source_repo.copy_content_into(converted)
1814
self.step('Deleting old repository content.')
1815
self.repo_dir.transport.delete_tree('repository.backup')
1816
self.pb.note('repository converted')
1818
def step(self, message):
1819
"""Update the pb by a step."""
1821
self.pb.update(message, self.count, self.total)
1824
# Copied from xml.sax.saxutils
1825
def _unescape_xml(data):
1826
"""Unescape &, <, and > in a string of data.
1828
data = data.replace("<", "<")
1829
data = data.replace(">", ">")
1830
# must do ampersand last
1831
return data.replace("&", "&")
added
removed
bzrlib/repository.py
