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# Copyright (C) 2005-2011 Canonical Ltd
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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revision as _mod_revision,
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testament as _mod_testament,
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from bzrlib.bundle import serializer
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from bzrlib.decorators import needs_read_lock, needs_write_lock, only_raises
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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.lock import _RelockDebugMixin, LogicalLockResult
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from bzrlib.trace import (
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log_exception_quietly, note, mutter, mutter_callsite, warning)
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# Old formats display a warning, but only once
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_deprecation_warning_done = False
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class IsInWriteGroupError(errors.InternalBzrError):
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_fmt = "May not refresh_data of repo %(repo)s while in a write group."
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def __init__(self, repo):
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errors.InternalBzrError.__init__(self, repo=repo)
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class CommitBuilder(object):
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"""Provides an interface to build up a commit.
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This allows describing a tree to be committed without needing to
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know the internals of the format of the repository.
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# all clients should supply tree roots.
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record_root_entry = True
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# whether this commit builder supports the record_entry_contents interface
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supports_record_entry_contents = False
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def __init__(self, repository, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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revision_id=None, lossy=False):
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"""Initiate a CommitBuilder.
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:param repository: Repository to commit to.
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:param parents: Revision ids of the parents of the new revision.
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:param timestamp: Optional timestamp recorded for commit.
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:param timezone: Optional timezone for timestamp.
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:param committer: Optional committer to set for commit.
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:param revprops: Optional dictionary of revision properties.
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:param revision_id: Optional revision id.
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:param lossy: Whether to discard data that can not be natively
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represented, when pushing to a foreign VCS
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self._committer = self._config.username()
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elif not isinstance(committer, unicode):
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self._committer = committer.decode() # throw if non-ascii
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self._committer = committer
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self._new_revision_id = revision_id
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self.parents = parents
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self.repository = repository
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if revprops is not None:
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self._validate_revprops(revprops)
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self._revprops.update(revprops)
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if timestamp is None:
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timestamp = time.time()
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# Restrict resolution to 1ms
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self._timestamp = round(timestamp, 3)
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self._timezone = osutils.local_time_offset()
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self._timezone = int(timezone)
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self._generate_revision_if_needed()
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def any_changes(self):
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"""Return True if any entries were changed.
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This includes merge-only changes. It is the core for the --unchanged
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:return: True if any changes have occured.
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raise NotImplementedError(self.any_changes)
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def _validate_unicode_text(self, text, context):
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"""Verify things like commit messages don't have bogus characters."""
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raise ValueError('Invalid value for %s: %r' % (context, text))
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def _validate_revprops(self, revprops):
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for key, value in revprops.iteritems():
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# We know that the XML serializers do not round trip '\r'
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# correctly, so refuse to accept them
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if not isinstance(value, basestring):
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raise ValueError('revision property (%s) is not a valid'
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' (unicode) string: %r' % (key, value))
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self._validate_unicode_text(value,
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'revision property (%s)' % (key,))
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def commit(self, message):
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"""Make the actual commit.
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:return: The revision id of the recorded revision.
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raise NotImplementedError(self.commit)
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"""Abort the commit that is being built.
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raise NotImplementedError(self.abort)
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def revision_tree(self):
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"""Return the tree that was just committed.
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After calling commit() this can be called to get a
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RevisionTree representing the newly committed tree. This is
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preferred to calling Repository.revision_tree() because that may
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require deserializing the inventory, while we already have a copy in
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raise NotImplementedError(self.revision_tree)
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def finish_inventory(self):
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"""Tell the builder that the inventory is finished.
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:return: The inventory id in the repository, which can be used with
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repository.get_inventory.
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raise NotImplementedError(self.finish_inventory)
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def _gen_revision_id(self):
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"""Return new revision-id."""
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return generate_ids.gen_revision_id(self._committer, self._timestamp)
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def _generate_revision_if_needed(self):
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"""Create a revision id if None was supplied.
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If the repository can not support user-specified revision ids
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they should override this function and raise CannotSetRevisionId
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if _new_revision_id is not None.
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:raises: CannotSetRevisionId
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if self._new_revision_id is None:
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self._new_revision_id = self._gen_revision_id()
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self.random_revid = True
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self.random_revid = False
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def will_record_deletes(self):
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"""Tell the commit builder that deletes are being notified.
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This enables the accumulation of an inventory delta; for the resulting
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commit to be valid, deletes against the basis MUST be recorded via
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builder.record_delete().
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raise NotImplementedError(self.will_record_deletes)
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def record_iter_changes(self, tree, basis_revision_id, iter_changes):
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"""Record a new tree via iter_changes.
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:param tree: The tree to obtain text contents from for changed objects.
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:param basis_revision_id: The revision id of the tree the iter_changes
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has been generated against. Currently assumed to be the same
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as self.parents[0] - if it is not, errors may occur.
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:param iter_changes: An iter_changes iterator with the changes to apply
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to basis_revision_id. The iterator must not include any items with
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a current kind of None - missing items must be either filtered out
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or errored-on beefore record_iter_changes sees the item.
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:return: A generator of (file_id, relpath, fs_hash) tuples for use with
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raise NotImplementedError(self.record_iter_changes)
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class RepositoryWriteLockResult(LogicalLockResult):
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"""The result of write locking a repository.
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:ivar repository_token: The token obtained from the underlying lock, or
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:ivar unlock: A callable which will unlock the lock.
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def __init__(self, unlock, repository_token):
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LogicalLockResult.__init__(self, unlock)
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self.repository_token = repository_token
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return "RepositoryWriteLockResult(%s, %s)" % (self.repository_token,
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######################################################################
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class Repository(_RelockDebugMixin, controldir.ControlComponent):
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from bzrlib.knit import KnitVersionedFile, KnitPlainFactory
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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, note
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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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See VersionedFileRepository in bzrlib.vf_repository for the
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base class for most Bazaar repositories.
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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 abort_write_group(self, suppress_errors=False):
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"""Commit the contents accrued within the current write group.
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:param suppress_errors: if true, abort_write_group will catch and log
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unexpected errors that happen during the abort, rather than
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allowing them to propagate. Defaults to False.
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:seealso: start_write_group.
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if self._write_group is not self.get_transaction():
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# has an unlock or relock occured ?
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'(suppressed) mismatched lock context and write group. %r, %r',
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self._write_group, self.get_transaction())
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raise errors.BzrError(
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'mismatched lock context and write group. %r, %r' %
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(self._write_group, self.get_transaction()))
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self._abort_write_group()
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except Exception, exc:
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self._write_group = None
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if not suppress_errors:
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mutter('abort_write_group failed')
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log_exception_quietly()
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note('bzr: ERROR (ignored): %s', exc)
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self._write_group = None
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def _abort_write_group(self):
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"""Template method for per-repository write group cleanup.
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This is called during abort before the write group is considered to be
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finished and should cleanup any internal state accrued during the write
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group. There is no requirement that data handed to the repository be
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*not* made available - this is not a rollback - but neither should any
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attempt be made to ensure that data added is fully commited. Abort is
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invoked when an error has occured so futher disk or network operations
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may not be possible or may error and if possible should not be
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def add_fallback_repository(self, repository):
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"""Add a repository to use for looking up data not held locally.
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:param repository: A repository.
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raise NotImplementedError(self.add_fallback_repository)
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def _check_fallback_repository(self, repository):
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"""Check that this repository can fallback to repository safely.
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Raise an error if not.
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:param repository: A repository to fallback to.
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return InterRepository._assert_same_model(self, repository)
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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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This is conceptually deprecated because code should generally work on
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the graph reachable from a particular revision, and ignore any other
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revisions that might be present. There is no direct replacement
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if 'evil' in debug.debug_flags:
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mutter_callsite(2, "all_revision_ids is linear with history.")
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return self._all_revision_ids()
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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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raise NotImplementedError(self._all_revision_ids)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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self.control_files.break_lock()
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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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Returns a set of the present revisions.
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graph = self.get_graph()
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parent_map = graph.get_parent_map(revision_ids)
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# The old API returned a list, should this actually be a set?
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return parent_map.keys()
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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):
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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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:param control_files: Control files to use for locking, etc.
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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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# 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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super(Repository, self).__init__()
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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._transport = control_files._transport
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self.base = self._transport.base
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self._write_group = None
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# Additional places to query for data.
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self._fallback_repositories = []
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def user_transport(self):
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return self.bzrdir.user_transport
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def control_transport(self):
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return self._transport
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if self._fallback_repositories:
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return '%s(%r, fallback_repositories=%r)' % (
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self.__class__.__name__,
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self._fallback_repositories)
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return '%s(%r)' % (self.__class__.__name__,
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def _has_same_fallbacks(self, other_repo):
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"""Returns true if the repositories have the same fallbacks."""
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my_fb = self._fallback_repositories
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other_fb = other_repo._fallback_repositories
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if len(my_fb) != len(other_fb):
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for f, g in zip(my_fb, other_fb):
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if not f.has_same_location(g):
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def has_same_location(self, other):
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"""Returns a boolean indicating if this repository is at the same
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location as another repository.
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This might return False even when two repository objects are accessing
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the same physical repository via different URLs.
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if self.__class__ is not other.__class__:
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return (self._transport.base == other._transport.base)
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def is_in_write_group(self):
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"""Return True if there is an open write group.
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:seealso: start_write_group.
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return self._write_group is not None
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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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# TODO: make sure to construct the right store classes, etc, depending
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# on whether escaping is required.
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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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def is_locked(self):
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return self.control_files.is_locked()
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def is_write_locked(self):
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"""Return True if this object is write locked."""
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return self.is_locked() and self.control_files._lock_mode == 'w'
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def lock_write(self, token=None):
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"""Lock this repository for writing.
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This causes caching within the repository obejct to start accumlating
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data during reads, and allows a 'write_group' to be obtained. Write
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groups must be used for actual data insertion.
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A token should be passed in if you know that you have locked the object
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some other way, and need to synchronise this object's state with that
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XXX: this docstring is duplicated in many places, e.g. lockable_files.py
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:param token: if this is already locked, then lock_write will fail
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unless the token matches the existing lock.
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:returns: a token if this instance supports tokens, otherwise None.
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:raises TokenLockingNotSupported: when a token is given but this
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instance doesn't support using token locks.
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:raises MismatchedToken: if the specified token doesn't match the token
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of the existing lock.
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:seealso: start_write_group.
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:return: A RepositoryWriteLockResult.
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locked = self.is_locked()
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token = self.control_files.lock_write(token=token)
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self._warn_if_deprecated()
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for repo in self._fallback_repositories:
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# Writes don't affect fallback repos
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return RepositoryWriteLockResult(self.unlock, token)
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"""Lock the repository for read operations.
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:return: An object with an unlock method which will release the lock
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locked = self.is_locked()
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self.control_files.lock_read()
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self._warn_if_deprecated()
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for repo in self._fallback_repositories:
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return LogicalLockResult(self.unlock)
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def get_physical_lock_status(self):
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return self.control_files.get_physical_lock_status()
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def leave_lock_in_place(self):
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"""Tell this repository not to release the physical lock when this
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If lock_write doesn't return a token, then this method is not supported.
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self.control_files.leave_in_place()
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def dont_leave_lock_in_place(self):
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"""Tell this repository to release the physical lock when this
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object is unlocked, even if it didn't originally acquire it.
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If lock_write doesn't return a token, then this method is not supported.
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self.control_files.dont_leave_in_place()
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def gather_stats(self, revid=None, committers=None):
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"""Gather statistics from a revision id.
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:param revid: The revision id to gather statistics from, if None, then
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no revision specific statistics are gathered.
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:param committers: Optional parameter controlling whether to grab
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a count of committers from the revision specific statistics.
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:return: A dictionary of statistics. Currently this contains:
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committers: The number of committers if requested.
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firstrev: A tuple with timestamp, timezone for the penultimate left
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most ancestor of revid, if revid is not the NULL_REVISION.
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latestrev: A tuple with timestamp, timezone for revid, if revid is
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not the NULL_REVISION.
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revisions: The total revision count in the repository.
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size: An estimate disk size of the repository in bytes.
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if revid and committers:
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result['committers'] = 0
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if revid and revid != _mod_revision.NULL_REVISION:
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all_committers = set()
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revisions = self.get_ancestry(revid)
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# pop the leading None
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first_revision = None
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# ignore the revisions in the middle - just grab first and last
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revisions = revisions[0], revisions[-1]
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for revision in self.get_revisions(revisions):
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if not first_revision:
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first_revision = revision
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all_committers.add(revision.committer)
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last_revision = revision
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result['committers'] = len(all_committers)
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result['firstrev'] = (first_revision.timestamp,
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first_revision.timezone)
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result['latestrev'] = (last_revision.timestamp,
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last_revision.timezone)
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def find_branches(self, using=False):
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"""Find branches underneath this repository.
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This will include branches inside other branches.
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:param using: If True, list only branches using this repository.
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if using and not self.is_shared():
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return self.bzrdir.list_branches()
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class Evaluator(object):
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self.first_call = True
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def __call__(self, bzrdir):
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# On the first call, the parameter is always the bzrdir
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# containing the current repo.
565
if not self.first_call:
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repository = bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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return False, ([], repository)
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self.first_call = False
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value = (bzrdir.list_branches(), None)
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for branches, repository in bzrdir.BzrDir.find_bzrdirs(
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self.user_transport, evaluate=Evaluator()):
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if branches is not None:
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if not using and repository is not None:
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ret.extend(repository.find_branches())
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def search_missing_revision_ids(self, other,
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revision_id=symbol_versioning.DEPRECATED_PARAMETER,
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find_ghosts=True, revision_ids=None, if_present_ids=None,
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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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if symbol_versioning.deprecated_passed(revision_id):
597
symbol_versioning.warn(
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'search_missing_revision_ids(revision_id=...) was '
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'deprecated in 2.4. Use revision_ids=[...] instead.',
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DeprecationWarning, stacklevel=3)
601
if revision_ids is not None:
602
raise AssertionError(
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'revision_ids is mutually exclusive with revision_id')
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if revision_id is not None:
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revision_ids = [revision_id]
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return InterRepository.get(other, self).search_missing_revision_ids(
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find_ghosts=find_ghosts, revision_ids=revision_ids,
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if_present_ids=if_present_ids, limit=limit)
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return InterRepository.get(other, self).missing_revision_ids(revision_id)
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185
For instance, if the repository is at URL/.bzr/repository,
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186
Repository.open(URL) -> a Repository instance.
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control = bzrdir.BzrDir.open(base)
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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):
191
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
194
This is a destructive operation! Do not use it on existing
626
return InterRepository.get(self, destination).copy_content(revision_id)
628
def commit_write_group(self):
629
"""Commit the contents accrued within the current write group.
631
:seealso: start_write_group.
633
:return: it may return an opaque hint that can be passed to 'pack'.
635
if self._write_group is not self.get_transaction():
636
# has an unlock or relock occured ?
637
raise errors.BzrError('mismatched lock context %r and '
639
(self.get_transaction(), self._write_group))
640
result = self._commit_write_group()
641
self._write_group = None
644
def _commit_write_group(self):
645
"""Template method for per-repository write group cleanup.
647
This is called before the write group is considered to be
648
finished and should ensure that all data handed to the repository
649
for writing during the write group is safely committed (to the
650
extent possible considering file system caching etc).
653
def suspend_write_group(self):
654
raise errors.UnsuspendableWriteGroup(self)
656
def refresh_data(self):
657
"""Re-read any data needed to synchronise with disk.
659
This method is intended to be called after another repository instance
660
(such as one used by a smart server) has inserted data into the
661
repository. On all repositories this will work outside of write groups.
662
Some repository formats (pack and newer for bzrlib native formats)
663
support refresh_data inside write groups. If called inside a write
664
group on a repository that does not support refreshing in a write group
665
IsInWriteGroupError will be raised.
669
def resume_write_group(self, tokens):
670
if not self.is_write_locked():
671
raise errors.NotWriteLocked(self)
672
if self._write_group:
673
raise errors.BzrError('already in a write group')
674
self._resume_write_group(tokens)
675
# so we can detect unlock/relock - the write group is now entered.
676
self._write_group = self.get_transaction()
678
def _resume_write_group(self, tokens):
679
raise errors.UnsuspendableWriteGroup(self)
681
def fetch(self, source, revision_id=None, find_ghosts=False,
197
return InterRepository.get(self, destination).copy_content(revision_id, basis)
199
def fetch(self, source, revision_id=None, pb=None):
683
200
"""Fetch the content required to construct revision_id from source.
685
If revision_id is None and fetch_spec is None, then all content is
688
fetch() may not be used when the repository is in a write group -
689
either finish the current write group before using fetch, or use
690
fetch before starting the write group.
692
:param find_ghosts: Find and copy revisions in the source that are
693
ghosts in the target (and not reachable directly by walking out to
694
the first-present revision in target from revision_id).
695
:param revision_id: If specified, all the content needed for this
696
revision ID will be copied to the target. Fetch will determine for
697
itself which content needs to be copied.
698
:param fetch_spec: If specified, a SearchResult or
699
PendingAncestryResult that describes which revisions to copy. This
700
allows copying multiple heads at once. Mutually exclusive with
703
if fetch_spec is not None and revision_id is not None:
704
raise AssertionError(
705
"fetch_spec and revision_id are mutually exclusive.")
706
if self.is_in_write_group():
707
raise errors.InternalBzrError(
708
"May not fetch while in a write group.")
709
# fast path same-url fetch operations
710
# TODO: lift out to somewhere common with RemoteRepository
711
# <https://bugs.launchpad.net/bzr/+bug/401646>
712
if (self.has_same_location(source)
713
and fetch_spec is None
714
and self._has_same_fallbacks(source)):
715
# check that last_revision is in 'from' and then return a
717
if (revision_id is not None and
718
not _mod_revision.is_null(revision_id)):
719
self.get_revision(revision_id)
721
inter = InterRepository.get(source, self)
722
return inter.fetch(revision_id=revision_id,
723
find_ghosts=find_ghosts, fetch_spec=fetch_spec)
725
def create_bundle(self, target, base, fileobj, format=None):
726
return serializer.write_bundle(self, target, base, fileobj, format)
728
def get_commit_builder(self, branch, parents, config, timestamp=None,
729
timezone=None, committer=None, revprops=None,
730
revision_id=None, lossy=False):
731
"""Obtain a CommitBuilder for this repository.
733
:param branch: Branch to commit to.
734
:param parents: Revision ids of the parents of the new revision.
735
:param config: Configuration to use.
736
:param timestamp: Optional timestamp recorded for commit.
737
:param timezone: Optional timezone for timestamp.
738
:param committer: Optional committer to set for commit.
739
:param revprops: Optional dictionary of revision properties.
740
:param revision_id: Optional revision id.
741
:param lossy: Whether to discard data that can not be natively
742
represented, when pushing to a foreign VCS
744
raise NotImplementedError(self.get_commit_builder)
746
@only_raises(errors.LockNotHeld, errors.LockBroken)
202
If revision_id is None all content is copied.
204
return InterRepository.get(source, self).fetch(revision_id=revision_id,
747
207
def unlock(self):
748
if (self.control_files._lock_count == 1 and
749
self.control_files._lock_mode == 'w'):
750
if self._write_group is not None:
751
self.abort_write_group()
752
self.control_files.unlock()
753
raise errors.BzrError(
754
'Must end write groups before releasing write locks.')
755
208
self.control_files.unlock()
756
if self.control_files._lock_count == 0:
757
for repo in self._fallback_repositories:
761
def clone(self, a_bzrdir, revision_id=None):
211
def clone(self, a_bzrdir, revision_id=None, basis=None):
762
212
"""Clone this repository into a_bzrdir using the current format.
764
214
Currently no check is made that the format of this repository and
765
215
the bzrdir format are compatible. FIXME RBC 20060201.
767
:return: The newly created destination repository.
769
# TODO: deprecate after 0.16; cloning this with all its settings is
770
# probably not very useful -- mbp 20070423
771
dest_repo = self._create_sprouting_repo(a_bzrdir, shared=self.is_shared())
772
self.copy_content_into(dest_repo, revision_id)
775
def start_write_group(self):
776
"""Start a write group in the repository.
778
Write groups are used by repositories which do not have a 1:1 mapping
779
between file ids and backend store to manage the insertion of data from
780
both fetch and commit operations.
782
A write lock is required around the start_write_group/commit_write_group
783
for the support of lock-requiring repository formats.
785
One can only insert data into a repository inside a write group.
789
if not self.is_write_locked():
790
raise errors.NotWriteLocked(self)
791
if self._write_group:
792
raise errors.BzrError('already in a write group')
793
self._start_write_group()
794
# so we can detect unlock/relock - the write group is now entered.
795
self._write_group = self.get_transaction()
797
def _start_write_group(self):
798
"""Template method for per-repository write group startup.
800
This is called before the write group is considered to be
805
def sprout(self, to_bzrdir, revision_id=None):
806
"""Create a descendent repository for new development.
808
Unlike clone, this does not copy the settings of the repository.
810
dest_repo = self._create_sprouting_repo(to_bzrdir, shared=False)
811
dest_repo.fetch(self, revision_id=revision_id)
814
def _create_sprouting_repo(self, a_bzrdir, shared):
815
217
if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
816
218
# use target default format.
817
dest_repo = a_bzrdir.create_repository()
219
result = a_bzrdir.create_repository()
220
# FIXME RBC 20060209 split out the repository type to avoid this check ?
221
elif isinstance(a_bzrdir._format,
222
(bzrlib.bzrdir.BzrDirFormat4,
223
bzrlib.bzrdir.BzrDirFormat5,
224
bzrlib.bzrdir.BzrDirFormat6)):
225
result = a_bzrdir.open_repository()
819
# Most control formats need the repository to be specifically
820
# created, but on some old all-in-one formats it's not needed
822
dest_repo = self._format.initialize(a_bzrdir, shared=shared)
823
except errors.UninitializableFormat:
824
dest_repo = a_bzrdir.open_repository()
227
result = self._format.initialize(a_bzrdir, shared=self.is_shared())
228
self.copy_content_into(result, revision_id, basis)
828
232
def has_revision(self, revision_id):
829
233
"""True if this repository has a copy of the revision."""
830
return revision_id in self.has_revisions((revision_id,))
833
def has_revisions(self, revision_ids):
834
"""Probe to find out the presence of multiple revisions.
836
:param revision_ids: An iterable of revision_ids.
837
:return: A set of the revision_ids that were present.
839
raise NotImplementedError(self.has_revisions)
842
def get_revision(self, revision_id):
843
"""Return the Revision object for a named revision."""
844
return self.get_revisions([revision_id])[0]
234
return self._revision_store.has_revision_id(revision_id,
235
self.get_transaction())
846
238
def get_revision_reconcile(self, revision_id):
847
239
"""'reconcile' helper routine that allows access to a revision always.
849
241
This variant of get_revision does not cross check the weave graph
850
242
against the revision one as get_revision does: but it should only
851
243
be used by reconcile, or reconcile-alike commands that are correcting
852
244
or testing the revision graph.
854
raise NotImplementedError(self.get_revision_reconcile)
856
def get_revisions(self, revision_ids):
857
"""Get many revisions at once.
246
if not revision_id or not isinstance(revision_id, basestring):
247
raise InvalidRevisionId(revision_id=revision_id, branch=self)
248
return self._revision_store.get_revision(revision_id,
249
self.get_transaction())
252
def get_revision_xml(self, revision_id):
253
rev = self.get_revision(revision_id)
255
# the current serializer..
256
self._revision_store._serializer.write_revision(rev, rev_tmp)
258
return rev_tmp.getvalue()
261
def get_revision(self, revision_id):
262
"""Return the Revision object for a named revision"""
263
r = self.get_revision_reconcile(revision_id)
264
# weave corruption can lead to absent revision markers that should be
266
# the following test is reasonably cheap (it needs a single weave read)
267
# and the weave is cached in read transactions. In write transactions
268
# it is not cached but typically we only read a small number of
269
# revisions. For knits when they are introduced we will probably want
270
# to ensure that caching write transactions are in use.
271
inv = self.get_inventory_weave()
272
self._check_revision_parents(r, inv)
275
def _check_revision_parents(self, revision, inventory):
276
"""Private to Repository and Fetch.
859
Repositories that need to check data on every revision read should
860
subclass this method.
862
raise NotImplementedError(self.get_revisions)
864
def get_deltas_for_revisions(self, revisions, specific_fileids=None):
865
"""Produce a generator of revision deltas.
867
Note that the input is a sequence of REVISIONS, not revision_ids.
868
Trees will be held in memory until the generator exits.
869
Each delta is relative to the revision's lefthand predecessor.
871
:param specific_fileids: if not None, the result is filtered
872
so that only those file-ids, their parents and their
873
children are included.
875
# Get the revision-ids of interest
876
required_trees = set()
877
for revision in revisions:
878
required_trees.add(revision.revision_id)
879
required_trees.update(revision.parent_ids[:1])
881
# Get the matching filtered trees. Note that it's more
882
# efficient to pass filtered trees to changes_from() rather
883
# than doing the filtering afterwards. changes_from() could
884
# arguably do the filtering itself but it's path-based, not
885
# file-id based, so filtering before or afterwards is
887
if specific_fileids is None:
888
trees = dict((t.get_revision_id(), t) for
889
t in self.revision_trees(required_trees))
891
trees = dict((t.get_revision_id(), t) for
892
t in self._filtered_revision_trees(required_trees,
895
# Calculate the deltas
896
for revision in revisions:
897
if not revision.parent_ids:
898
old_tree = self.revision_tree(_mod_revision.NULL_REVISION)
900
old_tree = trees[revision.parent_ids[0]]
901
yield trees[revision.revision_id].changes_from(old_tree)
904
def get_revision_delta(self, revision_id, specific_fileids=None):
905
"""Return the delta for one revision.
907
The delta is relative to the left-hand predecessor of the
910
:param specific_fileids: if not None, the result is filtered
911
so that only those file-ids, their parents and their
912
children are included.
914
r = self.get_revision(revision_id)
915
return list(self.get_deltas_for_revisions([r],
916
specific_fileids=specific_fileids))[0]
278
This checks the parentage of revision in an inventory weave for
279
consistency and is only applicable to inventory-weave-for-ancestry
280
using repository formats & fetchers.
282
weave_parents = inventory.get_parents(revision.revision_id)
283
weave_names = inventory.versions()
284
for parent_id in revision.parent_ids:
285
if parent_id in weave_names:
286
# this parent must not be a ghost.
287
if not parent_id in weave_parents:
289
raise errors.CorruptRepository(self)
918
291
@needs_write_lock
919
292
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
920
293
signature = gpg_strategy.sign(plaintext)
921
self.add_signature_text(revision_id, signature)
923
def add_signature_text(self, revision_id, signature):
924
"""Store a signature text for a revision.
926
:param revision_id: Revision id of the revision
927
:param signature: Signature text.
929
raise NotImplementedError(self.add_signature_text)
931
def _find_parent_ids_of_revisions(self, revision_ids):
932
"""Find all parent ids that are mentioned in the revision graph.
934
:return: set of revisions that are parents of revision_ids which are
935
not part of revision_ids themselves
937
parent_map = self.get_parent_map(revision_ids)
939
map(parent_ids.update, parent_map.itervalues())
940
parent_ids.difference_update(revision_ids)
941
parent_ids.discard(_mod_revision.NULL_REVISION)
944
def fileids_altered_by_revision_ids(self, revision_ids):
945
"""Find the file ids and versions affected by revisions.
947
:param revisions: an iterable containing revision ids.
948
:return: a dictionary mapping altered file-ids to an iterable of
949
revision_ids. Each altered file-ids has the exact revision_ids
950
that altered it listed explicitly.
952
raise NotImplementedError(self.fileids_altered_by_revision_ids)
954
def iter_files_bytes(self, desired_files):
955
"""Iterate through file versions.
957
Files will not necessarily be returned in the order they occur in
958
desired_files. No specific order is guaranteed.
960
Yields pairs of identifier, bytes_iterator. identifier is an opaque
961
value supplied by the caller as part of desired_files. It should
962
uniquely identify the file version in the caller's context. (Examples:
963
an index number or a TreeTransform trans_id.)
965
:param desired_files: a list of (file_id, revision_id, identifier)
968
raise NotImplementedError(self.iter_files_bytes)
970
def get_rev_id_for_revno(self, revno, known_pair):
971
"""Return the revision id of a revno, given a later (revno, revid)
972
pair in the same history.
974
:return: if found (True, revid). If the available history ran out
975
before reaching the revno, then this returns
976
(False, (closest_revno, closest_revid)).
978
known_revno, known_revid = known_pair
979
partial_history = [known_revid]
980
distance_from_known = known_revno - revno
981
if distance_from_known < 0:
983
'requested revno (%d) is later than given known revno (%d)'
984
% (revno, known_revno))
294
self._revision_store.add_revision_signature_text(revision_id,
296
self.get_transaction())
298
def fileid_involved_between_revs(self, from_revid, to_revid):
299
"""Find file_id(s) which are involved in the changes between revisions.
301
This determines the set of revisions which are involved, and then
302
finds all file ids affected by those revisions.
304
w = self.get_inventory_weave()
305
from_set = set(w.get_ancestry(from_revid))
306
to_set = set(w.get_ancestry(to_revid))
307
changed = to_set.difference(from_set)
308
return self._fileid_involved_by_set(changed)
310
def fileid_involved(self, last_revid=None):
311
"""Find all file_ids modified in the ancestry of last_revid.
313
:param last_revid: If None, last_revision() will be used.
315
w = self.get_inventory_weave()
317
changed = set(w.versions())
319
changed = set(w.get_ancestry(last_revid))
320
return self._fileid_involved_by_set(changed)
322
def fileid_involved_by_set(self, changes):
323
"""Find all file_ids modified by the set of revisions passed in.
325
:param changes: A set() of revision ids
327
# TODO: jam 20060119 This line does *nothing*, remove it.
328
# or better yet, change _fileid_involved_by_set so
329
# that it takes the inventory weave, rather than
330
# pulling it out by itself.
331
return self._fileid_involved_by_set(changes)
333
def _fileid_involved_by_set(self, changes):
334
"""Find the set of file-ids affected by the set of revisions.
336
:param changes: A set() of revision ids.
337
:return: A set() of file ids.
339
This peaks at the Weave, interpreting each line, looking to
340
see if it mentions one of the revisions. And if so, includes
341
the file id mentioned.
342
This expects both the Weave format, and the serialization
343
to have a single line per file/directory, and to have
344
fileid="" and revision="" on that line.
346
assert isinstance(self._format, (RepositoryFormat5,
349
RepositoryFormatKnit1)), \
350
"fileid_involved only supported for branches which store inventory as unnested xml"
352
w = self.get_inventory_weave()
355
# this code needs to read every line in every inventory for the
356
# inventories [changes]. Seeing a line twice is ok. Seeing a line
357
# not pesent in one of those inventories is unnecessary and not
358
# harmful because we are filtering by the revision id marker in the
359
# inventory lines to only select file ids altered in one of those
360
# revisions. We dont need to see all lines in the inventory because
361
# only those added in an inventory in rev X can contain a revision=X
363
for line in w.iter_lines_added_or_present_in_versions(changes):
364
start = line.find('file_id="')+9
365
if start < 9: continue
366
end = line.find('"', start)
368
file_id = _unescape_xml(line[start:end])
370
# check if file_id is already present
371
if file_id in file_ids: continue
373
start = line.find('revision="')+10
374
if start < 10: continue
375
end = line.find('"', start)
377
revision_id = _unescape_xml(line[start:end])
378
if revision_id in changes:
379
file_ids.add(file_id)
383
def get_inventory_weave(self):
384
return self.control_weaves.get_weave('inventory',
385
self.get_transaction())
388
def get_inventory(self, revision_id):
389
"""Get Inventory object by hash."""
390
xml = self.get_inventory_xml(revision_id)
391
return bzrlib.xml5.serializer_v5.read_inventory_from_string(xml)
394
def get_inventory_xml(self, revision_id):
395
"""Get inventory XML as a file object."""
987
self, partial_history, stop_index=distance_from_known)
988
except errors.RevisionNotPresent, err:
989
if err.revision_id == known_revid:
990
# The start revision (known_revid) wasn't found.
992
# This is a stacked repository with no fallbacks, or a there's a
993
# left-hand ghost. Either way, even though the revision named in
994
# the error isn't in this repo, we know it's the next step in this
996
partial_history.append(err.revision_id)
997
if len(partial_history) <= distance_from_known:
998
# Didn't find enough history to get a revid for the revno.
999
earliest_revno = known_revno - len(partial_history) + 1
1000
return (False, (earliest_revno, partial_history[-1]))
1001
if len(partial_history) - 1 > distance_from_known:
1002
raise AssertionError('_iter_for_revno returned too much history')
1003
return (True, partial_history[-1])
1005
def iter_reverse_revision_history(self, revision_id):
1006
"""Iterate backwards through revision ids in the lefthand history
1008
:param revision_id: The revision id to start with. All its lefthand
1009
ancestors will be traversed.
1011
graph = self.get_graph()
1012
stop_revisions = (None, _mod_revision.NULL_REVISION)
1013
return graph.iter_lefthand_ancestry(revision_id, stop_revisions)
397
assert isinstance(revision_id, basestring), type(revision_id)
398
iw = self.get_inventory_weave()
399
return iw.get_text(revision_id)
401
raise bzrlib.errors.HistoryMissing(self, 'inventory', revision_id)
404
def get_inventory_sha1(self, revision_id):
405
"""Return the sha1 hash of the inventory entry
407
return self.get_revision(revision_id).inventory_sha1
410
def get_revision_graph(self, revision_id=None):
411
"""Return a dictionary containing the revision graph.
413
:return: a dictionary of revision_id->revision_parents_list.
415
weave = self.get_inventory_weave()
416
all_revisions = self._eliminate_revisions_not_present(weave.versions())
417
entire_graph = dict([(node, weave.get_parents(node)) for
418
node in all_revisions])
419
if revision_id is None:
421
elif revision_id not in entire_graph:
422
raise errors.NoSuchRevision(self, revision_id)
424
# add what can be reached from revision_id
426
pending = set([revision_id])
427
while len(pending) > 0:
429
result[node] = entire_graph[node]
430
for revision_id in result[node]:
431
if revision_id not in result:
432
pending.add(revision_id)
436
def get_revision_graph_with_ghosts(self, revision_ids=None):
437
"""Return a graph of the revisions with ghosts marked as applicable.
439
:param revision_ids: an iterable of revisions to graph or None for all.
440
:return: a Graph object with the graph reachable from revision_ids.
444
pending = set(self.all_revision_ids())
447
pending = set(revision_ids)
448
required = set(revision_ids)
451
revision_id = pending.pop()
453
rev = self.get_revision(revision_id)
454
except errors.NoSuchRevision:
455
if revision_id in required:
458
result.add_ghost(revision_id)
460
for parent_id in rev.parent_ids:
461
# is this queued or done ?
462
if (parent_id not in pending and
463
parent_id not in done):
465
pending.add(parent_id)
466
result.add_node(revision_id, rev.parent_ids)
467
done.add(revision_id)
471
def get_revision_inventory(self, revision_id):
472
"""Return inventory of a past revision."""
473
# TODO: Unify this with get_inventory()
474
# bzr 0.0.6 and later imposes the constraint that the inventory_id
475
# must be the same as its revision, so this is trivial.
476
if revision_id is None:
477
# This does not make sense: if there is no revision,
478
# then it is the current tree inventory surely ?!
479
# and thus get_root_id() is something that looks at the last
480
# commit on the branch, and the get_root_id is an inventory check.
481
raise NotImplementedError
482
# return Inventory(self.get_root_id())
484
return self.get_inventory(revision_id)
1015
487
def is_shared(self):
1016
488
"""Return True if this repository is flagged as a shared repository."""
1017
489
raise NotImplementedError(self.is_shared)
1019
491
@needs_write_lock
1020
def reconcile(self, other=None, thorough=False):
1021
493
"""Reconcile this repository."""
1022
494
from bzrlib.reconcile import RepoReconciler
1023
reconciler = RepoReconciler(self, thorough=thorough)
495
reconciler = RepoReconciler(self)
1024
496
reconciler.reconcile()
1025
497
return reconciler
1027
def _refresh_data(self):
1028
"""Helper called from lock_* to ensure coherency with disk.
1030
The default implementation does nothing; it is however possible
1031
for repositories to maintain loaded indices across multiple locks
1032
by checking inside their implementation of this method to see
1033
whether their indices are still valid. This depends of course on
1034
the disk format being validatable in this manner. This method is
1035
also called by the refresh_data() public interface to cause a refresh
1036
to occur while in a write lock so that data inserted by a smart server
1037
push operation is visible on the client's instance of the physical
1041
499
@needs_read_lock
1042
500
def revision_tree(self, revision_id):
1043
501
"""Return Tree for a revision on this branch.
1045
`revision_id` may be NULL_REVISION for the empty tree revision.
1047
raise NotImplementedError(self.revision_tree)
1049
def revision_trees(self, revision_ids):
1050
"""Return Trees for revisions in this repository.
1052
:param revision_ids: a sequence of revision-ids;
1053
a revision-id may not be None or 'null:'
1055
raise NotImplementedError(self.revision_trees)
503
`revision_id` may be None for the null revision, in which case
504
an `EmptyTree` is returned."""
505
# TODO: refactor this to use an existing revision object
506
# so we don't need to read it in twice.
507
if revision_id is None or revision_id == NULL_REVISION:
510
inv = self.get_revision_inventory(revision_id)
511
return RevisionTree(self, inv, revision_id)
1057
513
@needs_read_lock
1058
def get_ancestry(self, revision_id, topo_sorted=True):
514
def get_ancestry(self, revision_id):
1059
515
"""Return a list of revision-ids integrated by a revision.
1061
The first element of the list is always None, indicating the origin
1062
revision. This might change when we have history horizons, or
1063
perhaps we should have a new API.
1065
517
This is topologically sorted.
1067
if _mod_revision.is_null(revision_id):
519
if revision_id is None:
1069
521
if not self.has_revision(revision_id):
1070
522
raise errors.NoSuchRevision(self, revision_id)
1071
graph = self.get_graph()
1073
search = graph._make_breadth_first_searcher([revision_id])
523
w = self.get_inventory_weave()
524
candidates = w.get_ancestry(revision_id)
525
return [None] + candidates # self._eliminate_revisions_not_present(candidates)
528
def print_file(self, file, revision_id):
529
"""Print `file` to stdout.
531
FIXME RBC 20060125 as John Meinel points out this is a bad api
532
- it writes to stdout, it assumes that that is valid etc. Fix
533
by creating a new more flexible convenience function.
535
tree = self.revision_tree(revision_id)
536
# use inventory as it was in that revision
537
file_id = tree.inventory.path2id(file)
539
raise BzrError("%r is not present in revision %s" % (file, revno))
1076
found, ghosts = search.next_with_ghosts()
1077
except StopIteration:
1080
if _mod_revision.NULL_REVISION in keys:
1081
keys.remove(_mod_revision.NULL_REVISION)
1083
parent_map = graph.get_parent_map(keys)
1084
keys = tsort.topo_sort(parent_map)
1085
return [None] + list(keys)
1087
def pack(self, hint=None, clean_obsolete_packs=False):
1088
"""Compress the data within the repository.
1090
This operation only makes sense for some repository types. For other
1091
types it should be a no-op that just returns.
1093
This stub method does not require a lock, but subclasses should use
1094
@needs_write_lock as this is a long running call it's reasonable to
1095
implicitly lock for the user.
1097
:param hint: If not supplied, the whole repository is packed.
1098
If supplied, the repository may use the hint parameter as a
1099
hint for the parts of the repository to pack. A hint can be
1100
obtained from the result of commit_write_group(). Out of
1101
date hints are simply ignored, because concurrent operations
1102
can obsolete them rapidly.
1104
:param clean_obsolete_packs: Clean obsolete packs immediately after
541
revno = self.revision_id_to_revno(revision_id)
542
except errors.NoSuchRevision:
543
# TODO: This should not be BzrError,
544
# but NoSuchFile doesn't fit either
545
raise BzrError('%r is not present in revision %s'
546
% (file, revision_id))
548
raise BzrError('%r is not present in revision %s'
550
tree.print_file(file_id)
1108
552
def get_transaction(self):
1109
553
return self.control_files.get_transaction()
1111
def get_parent_map(self, revision_ids):
1112
"""See graph.StackedParentsProvider.get_parent_map"""
1113
raise NotImplementedError(self.get_parent_map)
1115
def _get_parent_map_no_fallbacks(self, revision_ids):
1116
"""Same as Repository.get_parent_map except doesn't query fallbacks."""
1117
# revisions index works in keys; this just works in revisions
1118
# therefore wrap and unwrap
1121
for revision_id in revision_ids:
1122
if revision_id == _mod_revision.NULL_REVISION:
1123
result[revision_id] = ()
1124
elif revision_id is None:
1125
raise ValueError('get_parent_map(None) is not valid')
1127
query_keys.append((revision_id ,))
1128
vf = self.revisions.without_fallbacks()
1129
for ((revision_id,), parent_keys) in \
1130
vf.get_parent_map(query_keys).iteritems():
1132
result[revision_id] = tuple([parent_revid
1133
for (parent_revid,) in parent_keys])
1135
result[revision_id] = (_mod_revision.NULL_REVISION,)
1138
def _make_parents_provider(self):
1139
if not self._format.supports_external_lookups:
1141
return graph.StackedParentsProvider(_LazyListJoin(
1142
[self._make_parents_provider_unstacked()],
1143
self._fallback_repositories))
1145
def _make_parents_provider_unstacked(self):
1146
return graph.CallableToParentsProviderAdapter(
1147
self._get_parent_map_no_fallbacks)
1150
def get_known_graph_ancestry(self, revision_ids):
1151
"""Return the known graph for a set of revision ids and their ancestors.
1153
raise NotImplementedError(self.get_known_graph_ancestry)
1155
def get_file_graph(self):
1156
"""Return the graph walker for files."""
1157
raise NotImplementedError(self.get_file_graph)
1159
def get_graph(self, other_repository=None):
1160
"""Return the graph walker for this repository format"""
1161
parents_provider = self._make_parents_provider()
1162
if (other_repository is not None and
1163
not self.has_same_location(other_repository)):
1164
parents_provider = graph.StackedParentsProvider(
1165
[parents_provider, other_repository._make_parents_provider()])
1166
return graph.Graph(parents_provider)
1168
def revision_ids_to_search_result(self, result_set):
1169
"""Convert a set of revision ids to a graph SearchResult."""
1170
result_parents = set()
1171
for parents in self.get_graph().get_parent_map(
1172
result_set).itervalues():
1173
result_parents.update(parents)
1174
included_keys = result_set.intersection(result_parents)
1175
start_keys = result_set.difference(included_keys)
1176
exclude_keys = result_parents.difference(result_set)
1177
result = graph.SearchResult(start_keys, exclude_keys,
1178
len(result_set), result_set)
555
def revision_parents(self, revid):
556
return self.get_inventory_weave().parent_names(revid)
1181
558
@needs_write_lock
1182
559
def set_make_working_trees(self, new_value):
1191
568
raise NotImplementedError(self.set_make_working_trees)
1193
570
def make_working_trees(self):
1194
571
"""Returns the policy for making working trees on new branches."""
1195
572
raise NotImplementedError(self.make_working_trees)
1197
574
@needs_write_lock
1198
575
def sign_revision(self, revision_id, gpg_strategy):
1199
testament = _mod_testament.Testament.from_revision(self, revision_id)
1200
plaintext = testament.as_short_text()
576
plaintext = Testament.from_revision(self, revision_id).as_short_text()
1201
577
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
1203
580
def has_signature_for_revision_id(self, revision_id):
1204
581
"""Query for a revision signature for revision_id in the repository."""
1205
raise NotImplementedError(self.has_signature_for_revision_id)
582
return self._revision_store.has_signature(revision_id,
583
self.get_transaction())
1207
586
def get_signature_text(self, revision_id):
1208
587
"""Return the text for a signature."""
1209
raise NotImplementedError(self.get_signature_text)
1211
def check(self, revision_ids=None, callback_refs=None, check_repo=True):
1212
"""Check consistency of all history of given revision_ids.
1214
Different repository implementations should override _check().
1216
:param revision_ids: A non-empty list of revision_ids whose ancestry
1217
will be checked. Typically the last revision_id of a branch.
1218
:param callback_refs: A dict of check-refs to resolve and callback
1219
the check/_check method on the items listed as wanting the ref.
1221
:param check_repo: If False do not check the repository contents, just
1222
calculate the data callback_refs requires and call them back.
588
return self._revision_store.get_signature_text(revision_id,
589
self.get_transaction())
592
class AllInOneRepository(Repository):
593
"""Legacy support - the repository behaviour for all-in-one branches."""
595
def __init__(self, _format, a_bzrdir, _revision_store, control_store, text_store):
596
# we reuse one control files instance.
597
dir_mode = a_bzrdir._control_files._dir_mode
598
file_mode = a_bzrdir._control_files._file_mode
600
def get_store(name, compressed=True, prefixed=False):
601
# FIXME: This approach of assuming stores are all entirely compressed
602
# or entirely uncompressed is tidy, but breaks upgrade from
603
# some existing branches where there's a mixture; we probably
604
# still want the option to look for both.
605
relpath = a_bzrdir._control_files._escape(name)
606
store = TextStore(a_bzrdir._control_files._transport.clone(relpath),
607
prefixed=prefixed, compressed=compressed,
610
#if self._transport.should_cache():
611
# cache_path = os.path.join(self.cache_root, name)
612
# os.mkdir(cache_path)
613
# store = bzrlib.store.CachedStore(store, cache_path)
616
# not broken out yet because the controlweaves|inventory_store
617
# and text_store | weave_store bits are still different.
618
if isinstance(_format, RepositoryFormat4):
619
# cannot remove these - there is still no consistent api
620
# which allows access to this old info.
621
self.inventory_store = get_store('inventory-store')
622
text_store = get_store('text-store')
623
super(AllInOneRepository, self).__init__(_format, a_bzrdir, a_bzrdir._control_files, _revision_store, control_store, text_store)
627
"""AllInOne repositories cannot be shared."""
631
def set_make_working_trees(self, new_value):
632
"""Set the policy flag for making working trees when creating branches.
634
This only applies to branches that use this repository.
636
The default is 'True'.
637
:param new_value: True to restore the default, False to disable making
1224
return self._check(revision_ids=revision_ids, callback_refs=callback_refs,
1225
check_repo=check_repo)
1227
def _check(self, revision_ids=None, callback_refs=None, check_repo=True):
1228
raise NotImplementedError(self.check)
1230
def _warn_if_deprecated(self, branch=None):
1231
if not self._format.is_deprecated():
1233
global _deprecation_warning_done
1234
if _deprecation_warning_done:
1238
conf = config.GlobalConfig()
1240
conf = branch.get_config()
1241
if conf.suppress_warning('format_deprecation'):
1243
warning("Format %s for %s is deprecated -"
1244
" please use 'bzr upgrade' to get better performance"
1245
% (self._format, self.bzrdir.transport.base))
1247
_deprecation_warning_done = True
1249
def supports_rich_root(self):
1250
return self._format.rich_root_data
1252
def _check_ascii_revisionid(self, revision_id, method):
1253
"""Private helper for ascii-only repositories."""
1254
# weave repositories refuse to store revisionids that are non-ascii.
1255
if revision_id is not None:
1256
# weaves require ascii revision ids.
1257
if isinstance(revision_id, unicode):
1259
revision_id.encode('ascii')
1260
except UnicodeEncodeError:
1261
raise errors.NonAsciiRevisionId(method, self)
1264
revision_id.decode('ascii')
1265
except UnicodeDecodeError:
1266
raise errors.NonAsciiRevisionId(method, self)
640
raise NotImplementedError(self.set_make_working_trees)
642
def make_working_trees(self):
643
"""Returns the policy for making working trees on new branches."""
1269
647
class MetaDirRepository(Repository):
1270
"""Repositories in the new meta-dir layout.
1272
:ivar _transport: Transport for access to repository control files,
1273
typically pointing to .bzr/repository.
1276
def __init__(self, _format, a_bzrdir, control_files):
1277
super(MetaDirRepository, self).__init__(_format, a_bzrdir, control_files)
1278
self._transport = control_files._transport
648
"""Repositories in the new meta-dir layout."""
650
def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
651
super(MetaDirRepository, self).__init__(_format,
658
dir_mode = self.control_files._dir_mode
659
file_mode = self.control_files._file_mode
1280
662
def is_shared(self):
1281
663
"""Return True if this repository is flagged as a shared repository."""
1282
return self._transport.has('shared-storage')
664
return self.control_files._transport.has('shared-storage')
1284
666
@needs_write_lock
1285
667
def set_make_working_trees(self, new_value):
1296
self._transport.delete('no-working-trees')
678
self.control_files._transport.delete('no-working-trees')
1297
679
except errors.NoSuchFile:
1300
self._transport.put_bytes('no-working-trees', '',
1301
mode=self.bzrdir._get_file_mode())
682
self.control_files.put_utf8('no-working-trees', '')
1303
684
def make_working_trees(self):
1304
685
"""Returns the policy for making working trees on new branches."""
1305
return not self._transport.has('no-working-trees')
1308
class RepositoryFormatRegistry(controldir.ControlComponentFormatRegistry):
1309
"""Repository format registry."""
1311
def get_default(self):
1312
"""Return the current default format."""
1313
from bzrlib import bzrdir
1314
return bzrdir.format_registry.make_bzrdir('default').repository_format
1317
network_format_registry = registry.FormatRegistry()
1318
"""Registry of formats indexed by their network name.
1320
The network name for a repository format is an identifier that can be used when
1321
referring to formats with smart server operations. See
1322
RepositoryFormat.network_name() for more detail.
1326
format_registry = RepositoryFormatRegistry(network_format_registry)
1327
"""Registry of formats, indexed by their BzrDirMetaFormat format string.
1329
This can contain either format instances themselves, or classes/factories that
1330
can be called to obtain one.
1334
#####################################################################
1335
# Repository Formats
1337
class RepositoryFormat(controldir.ControlComponentFormat):
686
return not self.control_files._transport.has('no-working-trees')
689
class KnitRepository(MetaDirRepository):
690
"""Knit format repository."""
693
def all_revision_ids(self):
694
"""See Repository.all_revision_ids()."""
695
return self._revision_store.all_revision_ids(self.get_transaction())
697
def fileid_involved_between_revs(self, from_revid, to_revid):
698
"""Find file_id(s) which are involved in the changes between revisions.
700
This determines the set of revisions which are involved, and then
701
finds all file ids affected by those revisions.
703
vf = self._get_revision_vf()
704
from_set = set(vf.get_ancestry(from_revid))
705
to_set = set(vf.get_ancestry(to_revid))
706
changed = to_set.difference(from_set)
707
return self._fileid_involved_by_set(changed)
709
def fileid_involved(self, last_revid=None):
710
"""Find all file_ids modified in the ancestry of last_revid.
712
:param last_revid: If None, last_revision() will be used.
715
changed = set(self.all_revision_ids())
717
changed = set(self.get_ancestry(last_revid))
720
return self._fileid_involved_by_set(changed)
723
def get_ancestry(self, revision_id):
724
"""Return a list of revision-ids integrated by a revision.
726
This is topologically sorted.
728
if revision_id is None:
730
vf = self._get_revision_vf()
732
return [None] + vf.get_ancestry(revision_id)
733
except errors.RevisionNotPresent:
734
raise errors.NoSuchRevision(self, revision_id)
737
def get_revision(self, revision_id):
738
"""Return the Revision object for a named revision"""
739
return self.get_revision_reconcile(revision_id)
742
def get_revision_graph(self, revision_id=None):
743
"""Return a dictionary containing the revision graph.
745
:return: a dictionary of revision_id->revision_parents_list.
747
weave = self._get_revision_vf()
748
entire_graph = weave.get_graph()
749
if revision_id is None:
750
return weave.get_graph()
751
elif revision_id not in weave:
752
raise errors.NoSuchRevision(self, revision_id)
754
# add what can be reached from revision_id
756
pending = set([revision_id])
757
while len(pending) > 0:
759
result[node] = weave.get_parents(node)
760
for revision_id in result[node]:
761
if revision_id not in result:
762
pending.add(revision_id)
766
def get_revision_graph_with_ghosts(self, revision_ids=None):
767
"""Return a graph of the revisions with ghosts marked as applicable.
769
:param revision_ids: an iterable of revisions to graph or None for all.
770
:return: a Graph object with the graph reachable from revision_ids.
773
vf = self._get_revision_vf()
774
versions = set(vf.versions())
776
pending = set(self.all_revision_ids())
779
pending = set(revision_ids)
780
required = set(revision_ids)
783
revision_id = pending.pop()
784
if not revision_id in versions:
785
if revision_id in required:
786
raise errors.NoSuchRevision(self, revision_id)
788
result.add_ghost(revision_id)
789
# mark it as done so we dont try for it again.
790
done.add(revision_id)
792
parent_ids = vf.get_parents_with_ghosts(revision_id)
793
for parent_id in parent_ids:
794
# is this queued or done ?
795
if (parent_id not in pending and
796
parent_id not in done):
798
pending.add(parent_id)
799
result.add_node(revision_id, parent_ids)
800
done.add(revision_id)
803
def _get_revision_vf(self):
804
""":return: a versioned file containing the revisions."""
805
vf = self._revision_store.get_revision_file(self.get_transaction())
810
"""Reconcile this repository."""
811
from bzrlib.reconcile import KnitReconciler
812
reconciler = KnitReconciler(self)
813
reconciler.reconcile()
816
def revision_parents(self, revid):
817
return self._get_revision_vf().get_parents(rev_id)
819
class RepositoryFormat(object):
1338
820
"""A repository format.
1340
Formats provide four things:
822
Formats provide three things:
1341
823
* An initialization routine to construct repository data on disk.
1342
* a optional format string which is used when the BzrDir supports
824
* a format string which is used when the BzrDir supports versioned
1344
826
* an open routine which returns a Repository instance.
1345
* A network name for referring to the format in smart server RPC
1348
There is one and only one Format subclass for each on-disk format. But
1349
there can be one Repository subclass that is used for several different
1350
formats. The _format attribute on a Repository instance can be used to
1351
determine the disk format.
1353
Formats are placed in a registry by their format string for reference
1354
during opening. These should be subclasses of RepositoryFormat for
828
Formats are placed in an dict by their format string for reference
829
during opening. These should be subclasses of RepositoryFormat
1357
832
Once a format is deprecated, just deprecate the initialize and open
1358
methods on the format class. Do not deprecate the object, as the
1359
object may be created even when a repository instance hasn't been
833
methods on the format class. Do not deprecate the object, as the
834
object will be created every system load.
1362
836
Common instance attributes:
1363
837
_matchingbzrdir - the bzrdir format that the repository format was
1364
838
originally written to work with. This can be used if manually
1365
839
constructing a bzrdir and repository, or more commonly for test suite
1369
# Set to True or False in derived classes. True indicates that the format
1370
# supports ghosts gracefully.
1371
supports_ghosts = None
1372
# Can this repository be given external locations to lookup additional
1373
# data. Set to True or False in derived classes.
1374
supports_external_lookups = None
1375
# Does this format support CHK bytestring lookups. Set to True or False in
1377
supports_chks = None
1378
# Should fetch trigger a reconcile after the fetch? Only needed for
1379
# some repository formats that can suffer internal inconsistencies.
1380
_fetch_reconcile = False
1381
# Does this format have < O(tree_size) delta generation. Used to hint what
1382
# code path for commit, amongst other things.
1384
# Does doing a pack operation compress data? Useful for the pack UI command
1385
# (so if there is one pack, the operation can still proceed because it may
1386
# help), and for fetching when data won't have come from the same
1388
pack_compresses = False
1389
# Does the repository storage understand references to trees?
1390
supports_tree_reference = None
1391
# Is the format experimental ?
1392
experimental = False
1393
# Does this repository format escape funky characters, or does it create
1394
# files with similar names as the versioned files in its contents on disk
1396
supports_funky_characters = None
1397
# Does this repository format support leaving locks?
1398
supports_leaving_lock = None
1399
# Does this format support the full VersionedFiles interface?
1400
supports_full_versioned_files = None
1401
# Does this format support signing revision signatures?
1402
supports_revision_signatures = True
1403
# Can the revision graph have incorrect parents?
1404
revision_graph_can_have_wrong_parents = None
1405
# Does this format support rich root data?
1406
rich_root_data = None
1409
return "%s()" % self.__class__.__name__
1411
def __eq__(self, other):
1412
# format objects are generally stateless
1413
return isinstance(other, self.__class__)
1415
def __ne__(self, other):
1416
return not self == other
843
_default_format = None
844
"""The default format used for new repositories."""
847
"""The known formats."""
1419
850
def find_format(klass, a_bzrdir):
1420
"""Return the format for the repository object in a_bzrdir.
1422
This is used by bzr native formats that have a "format" file in
1423
the repository. Other methods may be used by different types of
851
"""Return the format for the repository object in a_bzrdir."""
1427
853
transport = a_bzrdir.get_repository_transport(None)
1428
format_string = transport.get_bytes("format")
1429
return format_registry.get(format_string)
854
format_string = transport.get("format").read()
855
return klass._formats[format_string]
1430
856
except errors.NoSuchFile:
1431
857
raise errors.NoRepositoryPresent(a_bzrdir)
1432
858
except KeyError:
1433
raise errors.UnknownFormatError(format=format_string,
1437
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4, 0)))
1438
def register_format(klass, format):
1439
format_registry.register(format)
1442
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4, 0)))
1443
def unregister_format(klass, format):
1444
format_registry.remove(format)
1447
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4, 0)))
859
raise errors.UnknownFormatError(format_string)
861
def _get_control_store(self, repo_transport, control_files):
862
"""Return the control store for this repository."""
863
raise NotImplementedError(self._get_control_store)
1448
866
def get_default_format(klass):
1449
867
"""Return the current default format."""
1450
return format_registry.get_default()
868
return klass._default_format
1452
870
def get_format_string(self):
1453
871
"""Return the ASCII format string that identifies this format.
1455
Note that in pre format ?? repositories the format string is
873
Note that in pre format ?? repositories the format string is
1456
874
not permitted nor written to disk.
1458
876
raise NotImplementedError(self.get_format_string)
1460
878
def get_format_description(self):
1461
"""Return the short description for this format."""
879
"""Return the short desciption for this format."""
1462
880
raise NotImplementedError(self.get_format_description)
882
def _get_revision_store(self, repo_transport, control_files):
883
"""Return the revision store object for this a_bzrdir."""
884
raise NotImplementedError(self._get_revision_store)
886
def _get_text_rev_store(self,
893
"""Common logic for getting a revision store for a repository.
895
see self._get_revision_store for the subclass-overridable method to
896
get the store for a repository.
898
from bzrlib.store.revision.text import TextRevisionStore
899
dir_mode = control_files._dir_mode
900
file_mode = control_files._file_mode
901
text_store =TextStore(transport.clone(name),
903
compressed=compressed,
906
_revision_store = TextRevisionStore(text_store, serializer)
907
return _revision_store
909
def _get_versioned_file_store(self,
914
versionedfile_class=WeaveFile,
916
weave_transport = control_files._transport.clone(name)
917
dir_mode = control_files._dir_mode
918
file_mode = control_files._file_mode
919
return VersionedFileStore(weave_transport, prefixed=prefixed,
922
versionedfile_class=versionedfile_class,
1464
925
def initialize(self, a_bzrdir, shared=False):
1465
926
"""Initialize a repository of this format in a_bzrdir.
1467
928
:param a_bzrdir: The bzrdir to put the new repository in it.
1468
929
:param shared: The repository should be initialized as a sharable one.
1469
:returns: The new repository object.
1471
931
This may raise UninitializableFormat if shared repository are not
1472
932
compatible the a_bzrdir.
1474
raise NotImplementedError(self.initialize)
1476
935
def is_supported(self):
1477
936
"""Is this format supported?
1479
938
Supported formats must be initializable and openable.
1480
Unsupported formats may not support initialization or committing or
939
Unsupported formats may not support initialization or committing or
1481
940
some other features depending on the reason for not being supported.
1485
def is_deprecated(self):
1486
"""Is this format deprecated?
1488
Deprecated formats may trigger a user-visible warning recommending
1489
the user to upgrade. They are still fully supported.
1493
def network_name(self):
1494
"""A simple byte string uniquely identifying this format for RPC calls.
1496
MetaDir repository formats use their disk format string to identify the
1497
repository over the wire. All in one formats such as bzr < 0.8, and
1498
foreign formats like svn/git and hg should use some marker which is
1499
unique and immutable.
1501
raise NotImplementedError(self.network_name)
1503
def check_conversion_target(self, target_format):
1504
if self.rich_root_data and not target_format.rich_root_data:
1505
raise errors.BadConversionTarget(
1506
'Does not support rich root data.', target_format,
1508
if (self.supports_tree_reference and
1509
not getattr(target_format, 'supports_tree_reference', False)):
1510
raise errors.BadConversionTarget(
1511
'Does not support nested trees', target_format,
1514
944
def open(self, a_bzrdir, _found=False):
1515
945
"""Return an instance of this format for the bzrdir a_bzrdir.
1517
947
_found is a private parameter, do not use it.
1519
949
raise NotImplementedError(self.open)
1521
def _run_post_repo_init_hooks(self, repository, a_bzrdir, shared):
1522
from bzrlib.bzrdir import BzrDir, RepoInitHookParams
1523
hooks = BzrDir.hooks['post_repo_init']
1526
params = RepoInitHookParams(repository, self, a_bzrdir, shared)
952
def register_format(klass, format):
953
klass._formats[format.get_format_string()] = format
956
def set_default_format(klass, format):
957
klass._default_format = format
960
def unregister_format(klass, format):
961
assert klass._formats[format.get_format_string()] is format
962
del klass._formats[format.get_format_string()]
965
class PreSplitOutRepositoryFormat(RepositoryFormat):
966
"""Base class for the pre split out repository formats."""
968
def initialize(self, a_bzrdir, shared=False, _internal=False):
969
"""Create a weave repository.
971
TODO: when creating split out bzr branch formats, move this to a common
972
base for Format5, Format6. or something like that.
974
from bzrlib.weavefile import write_weave_v5
975
from bzrlib.weave import Weave
978
raise errors.IncompatibleFormat(self, a_bzrdir._format)
981
# always initialized when the bzrdir is.
982
return self.open(a_bzrdir, _found=True)
984
# Create an empty weave
986
bzrlib.weavefile.write_weave_v5(Weave(), sio)
987
empty_weave = sio.getvalue()
989
mutter('creating repository in %s.', a_bzrdir.transport.base)
990
dirs = ['revision-store', 'weaves']
991
files = [('inventory.weave', StringIO(empty_weave)),
994
# FIXME: RBC 20060125 dont peek under the covers
995
# NB: no need to escape relative paths that are url safe.
996
control_files = LockableFiles(a_bzrdir.transport, 'branch-lock',
998
control_files.create_lock()
999
control_files.lock_write()
1000
control_files._transport.mkdir_multi(dirs,
1001
mode=control_files._dir_mode)
1003
for file, content in files:
1004
control_files.put(file, content)
1006
control_files.unlock()
1007
return self.open(a_bzrdir, _found=True)
1009
def _get_control_store(self, repo_transport, control_files):
1010
"""Return the control store for this repository."""
1011
return self._get_versioned_file_store('',
1016
def _get_text_store(self, transport, control_files):
1017
"""Get a store for file texts for this format."""
1018
raise NotImplementedError(self._get_text_store)
1020
def open(self, a_bzrdir, _found=False):
1021
"""See RepositoryFormat.open()."""
1023
# we are being called directly and must probe.
1024
raise NotImplementedError
1026
repo_transport = a_bzrdir.get_repository_transport(None)
1027
control_files = a_bzrdir._control_files
1028
text_store = self._get_text_store(repo_transport, control_files)
1029
control_store = self._get_control_store(repo_transport, control_files)
1030
_revision_store = self._get_revision_store(repo_transport, control_files)
1031
return AllInOneRepository(_format=self,
1033
_revision_store=_revision_store,
1034
control_store=control_store,
1035
text_store=text_store)
1038
class RepositoryFormat4(PreSplitOutRepositoryFormat):
1039
"""Bzr repository format 4.
1041
This repository format has:
1043
- TextStores for texts, inventories,revisions.
1045
This format is deprecated: it indexes texts using a text id which is
1046
removed in format 5; initializationa and write support for this format
1051
super(RepositoryFormat4, self).__init__()
1052
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat4()
1054
def get_format_description(self):
1055
"""See RepositoryFormat.get_format_description()."""
1056
return "Repository format 4"
1058
def initialize(self, url, shared=False, _internal=False):
1059
"""Format 4 branches cannot be created."""
1060
raise errors.UninitializableFormat(self)
1062
def is_supported(self):
1063
"""Format 4 is not supported.
1065
It is not supported because the model changed from 4 to 5 and the
1066
conversion logic is expensive - so doing it on the fly was not
1071
def _get_control_store(self, repo_transport, control_files):
1072
"""Format 4 repositories have no formal control store at this point.
1074
This will cause any control-file-needing apis to fail - this is desired.
1078
def _get_revision_store(self, repo_transport, control_files):
1079
"""See RepositoryFormat._get_revision_store()."""
1080
from bzrlib.xml4 import serializer_v4
1081
return self._get_text_rev_store(repo_transport,
1084
serializer=serializer_v4)
1086
def _get_text_store(self, transport, control_files):
1087
"""See RepositoryFormat._get_text_store()."""
1090
class RepositoryFormat5(PreSplitOutRepositoryFormat):
1091
"""Bzr control format 5.
1093
This repository format has:
1094
- weaves for file texts and inventory
1096
- TextStores for revisions and signatures.
1100
super(RepositoryFormat5, self).__init__()
1101
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat5()
1103
def get_format_description(self):
1104
"""See RepositoryFormat.get_format_description()."""
1105
return "Weave repository format 5"
1107
def _get_revision_store(self, repo_transport, control_files):
1108
"""See RepositoryFormat._get_revision_store()."""
1109
"""Return the revision store object for this a_bzrdir."""
1110
return self._get_text_rev_store(repo_transport,
1115
def _get_text_store(self, transport, control_files):
1116
"""See RepositoryFormat._get_text_store()."""
1117
return self._get_versioned_file_store('weaves', transport, control_files, prefixed=False)
1120
class RepositoryFormat6(PreSplitOutRepositoryFormat):
1121
"""Bzr control format 6.
1123
This repository format has:
1124
- weaves for file texts and inventory
1125
- hash subdirectory based stores.
1126
- TextStores for revisions and signatures.
1130
super(RepositoryFormat6, self).__init__()
1131
self._matchingbzrdir = bzrlib.bzrdir.BzrDirFormat6()
1133
def get_format_description(self):
1134
"""See RepositoryFormat.get_format_description()."""
1135
return "Weave repository format 6"
1137
def _get_revision_store(self, repo_transport, control_files):
1138
"""See RepositoryFormat._get_revision_store()."""
1139
return self._get_text_rev_store(repo_transport,
1145
def _get_text_store(self, transport, control_files):
1146
"""See RepositoryFormat._get_text_store()."""
1147
return self._get_versioned_file_store('weaves', transport, control_files)
1531
1150
class MetaDirRepositoryFormat(RepositoryFormat):
1532
"""Common base class for the new repositories using the metadir layout."""
1534
rich_root_data = False
1535
supports_tree_reference = False
1536
supports_external_lookups = False
1537
supports_leaving_lock = True
1540
def _matchingbzrdir(self):
1541
matching = bzrdir.BzrDirMetaFormat1()
1542
matching.repository_format = self
1151
"""Common base class for the new repositories using the metadir layour."""
1545
1153
def __init__(self):
1546
1154
super(MetaDirRepositoryFormat, self).__init__()
1155
self._matchingbzrdir = bzrlib.bzrdir.BzrDirMetaFormat1()
1548
1157
def _create_control_files(self, a_bzrdir):
1549
1158
"""Create the required files and the initial control_files object."""
1550
# FIXME: RBC 20060125 don't peek under the covers
1159
# FIXME: RBC 20060125 dont peek under the covers
1551
1160
# NB: no need to escape relative paths that are url safe.
1552
1161
repository_transport = a_bzrdir.get_repository_transport(self)
1553
control_files = lockable_files.LockableFiles(repository_transport,
1554
'lock', lockdir.LockDir)
1162
control_files = LockableFiles(repository_transport, 'lock', LockDir)
1555
1163
control_files.create_lock()
1556
1164
return control_files
1559
1167
"""Upload the initial blank content."""
1560
1168
control_files = self._create_control_files(a_bzrdir)
1561
1169
control_files.lock_write()
1562
transport = control_files._transport
1564
utf8_files += [('shared-storage', '')]
1566
transport.mkdir_multi(dirs, mode=a_bzrdir._get_dir_mode())
1567
for (filename, content_stream) in files:
1568
transport.put_file(filename, content_stream,
1569
mode=a_bzrdir._get_file_mode())
1570
for (filename, content_bytes) in utf8_files:
1571
transport.put_bytes_non_atomic(filename, content_bytes,
1572
mode=a_bzrdir._get_file_mode())
1171
control_files._transport.mkdir_multi(dirs,
1172
mode=control_files._dir_mode)
1173
for file, content in files:
1174
control_files.put(file, content)
1175
for file, content in utf8_files:
1176
control_files.put_utf8(file, content)
1178
control_files.put_utf8('shared-storage', '')
1574
1180
control_files.unlock()
1576
def network_name(self):
1577
"""Metadir formats have matching disk and network format strings."""
1578
return self.get_format_string()
1581
# formats which have no format string are not discoverable or independently
1582
# creatable on disk, so are not registered in format_registry. They're
1583
# all in bzrlib.repofmt.knitreponow. When an instance of one of these is
1584
# needed, it's constructed directly by the BzrDir. Non-native formats where
1585
# the repository is not separately opened are similar.
1587
format_registry.register_lazy(
1588
'Bazaar-NG Knit Repository Format 1',
1589
'bzrlib.repofmt.knitrepo',
1590
'RepositoryFormatKnit1',
1593
format_registry.register_lazy(
1594
'Bazaar Knit Repository Format 3 (bzr 0.15)\n',
1595
'bzrlib.repofmt.knitrepo',
1596
'RepositoryFormatKnit3',
1599
format_registry.register_lazy(
1600
'Bazaar Knit Repository Format 4 (bzr 1.0)\n',
1601
'bzrlib.repofmt.knitrepo',
1602
'RepositoryFormatKnit4',
1605
# Pack-based formats. There is one format for pre-subtrees, and one for
1606
# post-subtrees to allow ease of testing.
1607
# NOTE: These are experimental in 0.92. Stable in 1.0 and above
1608
format_registry.register_lazy(
1609
'Bazaar pack repository format 1 (needs bzr 0.92)\n',
1610
'bzrlib.repofmt.knitpack_repo',
1611
'RepositoryFormatKnitPack1',
1613
format_registry.register_lazy(
1614
'Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n',
1615
'bzrlib.repofmt.knitpack_repo',
1616
'RepositoryFormatKnitPack3',
1618
format_registry.register_lazy(
1619
'Bazaar pack repository format 1 with rich root (needs bzr 1.0)\n',
1620
'bzrlib.repofmt.knitpack_repo',
1621
'RepositoryFormatKnitPack4',
1623
format_registry.register_lazy(
1624
'Bazaar RepositoryFormatKnitPack5 (bzr 1.6)\n',
1625
'bzrlib.repofmt.knitpack_repo',
1626
'RepositoryFormatKnitPack5',
1628
format_registry.register_lazy(
1629
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6.1)\n',
1630
'bzrlib.repofmt.knitpack_repo',
1631
'RepositoryFormatKnitPack5RichRoot',
1633
format_registry.register_lazy(
1634
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6)\n',
1635
'bzrlib.repofmt.knitpack_repo',
1636
'RepositoryFormatKnitPack5RichRootBroken',
1638
format_registry.register_lazy(
1639
'Bazaar RepositoryFormatKnitPack6 (bzr 1.9)\n',
1640
'bzrlib.repofmt.knitpack_repo',
1641
'RepositoryFormatKnitPack6',
1643
format_registry.register_lazy(
1644
'Bazaar RepositoryFormatKnitPack6RichRoot (bzr 1.9)\n',
1645
'bzrlib.repofmt.knitpack_repo',
1646
'RepositoryFormatKnitPack6RichRoot',
1648
format_registry.register_lazy(
1649
'Bazaar repository format 2a (needs bzr 1.16 or later)\n',
1650
'bzrlib.repofmt.groupcompress_repo',
1651
'RepositoryFormat2a',
1654
# Development formats.
1655
# Check their docstrings to see if/when they are obsolete.
1656
format_registry.register_lazy(
1657
("Bazaar development format 2 with subtree support "
1658
"(needs bzr.dev from before 1.8)\n"),
1659
'bzrlib.repofmt.knitpack_repo',
1660
'RepositoryFormatPackDevelopment2Subtree',
1662
format_registry.register_lazy(
1663
'Bazaar development format 8\n',
1664
'bzrlib.repofmt.groupcompress_repo',
1665
'RepositoryFormat2aSubtree',
1183
class RepositoryFormat7(MetaDirRepositoryFormat):
1184
"""Bzr repository 7.
1186
This repository format has:
1187
- weaves for file texts and inventory
1188
- hash subdirectory based stores.
1189
- TextStores for revisions and signatures.
1190
- a format marker of its own
1191
- an optional 'shared-storage' flag
1192
- an optional 'no-working-trees' flag
1195
def _get_control_store(self, repo_transport, control_files):
1196
"""Return the control store for this repository."""
1197
return self._get_versioned_file_store('',
1202
def get_format_string(self):
1203
"""See RepositoryFormat.get_format_string()."""
1204
return "Bazaar-NG Repository format 7"
1206
def get_format_description(self):
1207
"""See RepositoryFormat.get_format_description()."""
1208
return "Weave repository format 7"
1210
def _get_revision_store(self, repo_transport, control_files):
1211
"""See RepositoryFormat._get_revision_store()."""
1212
return self._get_text_rev_store(repo_transport,
1219
def _get_text_store(self, transport, control_files):
1220
"""See RepositoryFormat._get_text_store()."""
1221
return self._get_versioned_file_store('weaves',
1225
def initialize(self, a_bzrdir, shared=False):
1226
"""Create a weave repository.
1228
:param shared: If true the repository will be initialized as a shared
1231
from bzrlib.weavefile import write_weave_v5
1232
from bzrlib.weave import Weave
1234
# Create an empty weave
1236
bzrlib.weavefile.write_weave_v5(Weave(), sio)
1237
empty_weave = sio.getvalue()
1239
mutter('creating repository in %s.', a_bzrdir.transport.base)
1240
dirs = ['revision-store', 'weaves']
1241
files = [('inventory.weave', StringIO(empty_weave)),
1243
utf8_files = [('format', self.get_format_string())]
1245
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1246
return self.open(a_bzrdir=a_bzrdir, _found=True)
1248
def open(self, a_bzrdir, _found=False, _override_transport=None):
1249
"""See RepositoryFormat.open().
1251
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1252
repository at a slightly different url
1253
than normal. I.e. during 'upgrade'.
1256
format = RepositoryFormat.find_format(a_bzrdir)
1257
assert format.__class__ == self.__class__
1258
if _override_transport is not None:
1259
repo_transport = _override_transport
1261
repo_transport = a_bzrdir.get_repository_transport(None)
1262
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1263
text_store = self._get_text_store(repo_transport, control_files)
1264
control_store = self._get_control_store(repo_transport, control_files)
1265
_revision_store = self._get_revision_store(repo_transport, control_files)
1266
return MetaDirRepository(_format=self,
1268
control_files=control_files,
1269
_revision_store=_revision_store,
1270
control_store=control_store,
1271
text_store=text_store)
1274
class RepositoryFormatKnit1(MetaDirRepositoryFormat):
1275
"""Bzr repository knit format 1.
1277
This repository format has:
1278
- knits for file texts and inventory
1279
- hash subdirectory based stores.
1280
- knits for revisions and signatures
1281
- TextStores for revisions and signatures.
1282
- a format marker of its own
1283
- an optional 'shared-storage' flag
1284
- an optional 'no-working-trees' flag
1287
This format was introduced in bzr 0.8.
1290
def _get_control_store(self, repo_transport, control_files):
1291
"""Return the control store for this repository."""
1292
return VersionedFileStore(
1295
file_mode=control_files._file_mode,
1296
versionedfile_class=KnitVersionedFile,
1297
versionedfile_kwargs={'factory':KnitPlainFactory()},
1300
def get_format_string(self):
1301
"""See RepositoryFormat.get_format_string()."""
1302
return "Bazaar-NG Knit Repository Format 1"
1304
def get_format_description(self):
1305
"""See RepositoryFormat.get_format_description()."""
1306
return "Knit repository format 1"
1308
def _get_revision_store(self, repo_transport, control_files):
1309
"""See RepositoryFormat._get_revision_store()."""
1310
from bzrlib.store.revision.knit import KnitRevisionStore
1311
versioned_file_store = VersionedFileStore(
1313
file_mode=control_files._file_mode,
1316
versionedfile_class=KnitVersionedFile,
1317
versionedfile_kwargs={'delta':False, 'factory':KnitPlainFactory()},
1320
return KnitRevisionStore(versioned_file_store)
1322
def _get_text_store(self, transport, control_files):
1323
"""See RepositoryFormat._get_text_store()."""
1324
return self._get_versioned_file_store('knits',
1327
versionedfile_class=KnitVersionedFile,
1330
def initialize(self, a_bzrdir, shared=False):
1331
"""Create a knit format 1 repository.
1333
:param a_bzrdir: bzrdir to contain the new repository; must already
1335
:param shared: If true the repository will be initialized as a shared
1338
mutter('creating repository in %s.', a_bzrdir.transport.base)
1339
dirs = ['revision-store', 'knits']
1341
utf8_files = [('format', self.get_format_string())]
1343
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1344
repo_transport = a_bzrdir.get_repository_transport(None)
1345
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1346
control_store = self._get_control_store(repo_transport, control_files)
1347
transaction = bzrlib.transactions.WriteTransaction()
1348
# trigger a write of the inventory store.
1349
control_store.get_weave_or_empty('inventory', transaction)
1350
_revision_store = self._get_revision_store(repo_transport, control_files)
1351
_revision_store.has_revision_id('A', transaction)
1352
_revision_store.get_signature_file(transaction)
1353
return self.open(a_bzrdir=a_bzrdir, _found=True)
1355
def open(self, a_bzrdir, _found=False, _override_transport=None):
1356
"""See RepositoryFormat.open().
1358
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1359
repository at a slightly different url
1360
than normal. I.e. during 'upgrade'.
1363
format = RepositoryFormat.find_format(a_bzrdir)
1364
assert format.__class__ == self.__class__
1365
if _override_transport is not None:
1366
repo_transport = _override_transport
1368
repo_transport = a_bzrdir.get_repository_transport(None)
1369
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1370
text_store = self._get_text_store(repo_transport, control_files)
1371
control_store = self._get_control_store(repo_transport, control_files)
1372
_revision_store = self._get_revision_store(repo_transport, control_files)
1373
return KnitRepository(_format=self,
1375
control_files=control_files,
1376
_revision_store=_revision_store,
1377
control_store=control_store,
1378
text_store=text_store)
1381
# formats which have no format string are not discoverable
1382
# and not independently creatable, so are not registered.
1383
RepositoryFormat.register_format(RepositoryFormat7())
1384
_default_format = RepositoryFormatKnit1()
1385
RepositoryFormat.register_format(_default_format)
1386
RepositoryFormat.set_default_format(_default_format)
1387
_legacy_formats = [RepositoryFormat4(),
1388
RepositoryFormat5(),
1389
RepositoryFormat6()]
1669
1392
class InterRepository(InterObject):
1670
1393
"""This class represents operations taking place between two repositories.
1672
1395
Its instances have methods like copy_content and fetch, and contain
1673
references to the source and target repositories these operations can be
1396
references to the source and target repositories these operations can be
1674
1397
carried out on.
1676
1399
Often we will provide convenience methods on 'repository' which carry out
1678
1401
InterRepository.get(other).method_name(parameters).
1682
1405
"""The available optimised InterRepository types."""
1684
1407
@needs_write_lock
1685
def copy_content(self, revision_id=None):
1408
def copy_content(self, revision_id=None, basis=None):
1686
1409
"""Make a complete copy of the content in self into destination.
1688
This is a destructive operation! Do not use it on existing
1411
This is a destructive operation! Do not use it on existing
1691
1414
:param revision_id: Only copy the content needed to construct
1692
1415
revision_id and its parents.
1416
:param basis: Copy the needed data preferentially from basis.
1695
1419
self.target.set_make_working_trees(self.source.make_working_trees())
1696
1420
except NotImplementedError:
1422
# grab the basis available data
1423
if basis is not None:
1424
self.target.fetch(basis, revision_id=revision_id)
1425
# but dont bother fetching if we have the needed data now.
1426
if (revision_id not in (None, NULL_REVISION) and
1427
self.target.has_revision(revision_id)):
1698
1429
self.target.fetch(self.source, revision_id=revision_id)
1431
def _double_lock(self, lock_source, lock_target):
1432
"""Take out too locks, rolling back the first if the second throws."""
1437
# we want to ensure that we don't leave source locked by mistake.
1438
# and any error on target should not confuse source.
1439
self.source.unlock()
1700
1442
@needs_write_lock
1701
def fetch(self, revision_id=None, find_ghosts=False,
1443
def fetch(self, revision_id=None, pb=None):
1703
1444
"""Fetch the content required to construct revision_id.
1705
The content is copied from self.source to self.target.
1446
The content is copied from source to target.
1707
1448
:param revision_id: if None all content is copied, if NULL_REVISION no
1708
1449
content is copied.
1711
raise NotImplementedError(self.fetch)
1450
:param pb: optional progress bar to use for progress reports. If not
1451
provided a default one will be created.
1453
Returns the copied revision count and the failed revisions in a tuple:
1456
from bzrlib.fetch import GenericRepoFetcher
1457
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1458
self.source, self.source._format, self.target, self.target._format)
1459
f = GenericRepoFetcher(to_repository=self.target,
1460
from_repository=self.source,
1461
last_revision=revision_id,
1463
return f.count_copied, f.failed_revisions
1465
def lock_read(self):
1466
"""Take out a logical read lock.
1468
This will lock the source branch and the target branch. The source gets
1469
a read lock and the target a read lock.
1471
self._double_lock(self.source.lock_read, self.target.lock_read)
1473
def lock_write(self):
1474
"""Take out a logical write lock.
1476
This will lock the source branch and the target branch. The source gets
1477
a read lock and the target a write lock.
1479
self._double_lock(self.source.lock_read, self.target.lock_write)
1713
1481
@needs_read_lock
1714
def search_missing_revision_ids(self,
1715
revision_id=symbol_versioning.DEPRECATED_PARAMETER,
1716
find_ghosts=True, revision_ids=None, if_present_ids=None,
1482
def missing_revision_ids(self, revision_id=None):
1718
1483
"""Return the revision ids that source has that target does not.
1485
These are returned in topological order.
1720
1487
:param revision_id: only return revision ids included by this
1722
:param revision_ids: return revision ids included by these
1723
revision_ids. NoSuchRevision will be raised if any of these
1724
revisions are not present.
1725
:param if_present_ids: like revision_ids, but will not cause
1726
NoSuchRevision if any of these are absent, instead they will simply
1727
not be in the result. This is useful for e.g. finding revisions
1728
to fetch for tags, which may reference absent revisions.
1729
:param find_ghosts: If True find missing revisions in deep history
1730
rather than just finding the surface difference.
1731
:param limit: Maximum number of revisions to return, topologically
1733
:return: A bzrlib.graph.SearchResult.
1735
raise NotImplementedError(self.search_missing_revision_ids)
1738
def _same_model(source, target):
1739
"""True if source and target have the same data representation.
1741
Note: this is always called on the base class; overriding it in a
1742
subclass will have no effect.
1745
InterRepository._assert_same_model(source, target)
1747
except errors.IncompatibleRepositories, e:
1751
def _assert_same_model(source, target):
1752
"""Raise an exception if two repositories do not use the same model.
1754
if source.supports_rich_root() != target.supports_rich_root():
1755
raise errors.IncompatibleRepositories(source, target,
1756
"different rich-root support")
1757
if source._serializer != target._serializer:
1758
raise errors.IncompatibleRepositories(source, target,
1759
"different serializers")
1490
# generic, possibly worst case, slow code path.
1491
target_ids = set(self.target.all_revision_ids())
1492
if revision_id is not None:
1493
source_ids = self.source.get_ancestry(revision_id)
1494
assert source_ids.pop(0) == None
1496
source_ids = self.source.all_revision_ids()
1497
result_set = set(source_ids).difference(target_ids)
1498
# this may look like a no-op: its not. It preserves the ordering
1499
# other_ids had while only returning the members from other_ids
1500
# that we've decided we need.
1501
return [rev_id for rev_id in source_ids if rev_id in result_set]
1504
"""Release the locks on source and target."""
1506
self.target.unlock()
1508
self.source.unlock()
1511
class InterWeaveRepo(InterRepository):
1512
"""Optimised code paths between Weave based repositories."""
1514
_matching_repo_format = RepositoryFormat7()
1515
"""Repository format for testing with."""
1518
def is_compatible(source, target):
1519
"""Be compatible with known Weave formats.
1521
We dont test for the stores being of specific types becase that
1522
could lead to confusing results, and there is no need to be
1526
return (isinstance(source._format, (RepositoryFormat5,
1528
RepositoryFormat7)) and
1529
isinstance(target._format, (RepositoryFormat5,
1531
RepositoryFormat7)))
1532
except AttributeError:
1536
def copy_content(self, revision_id=None, basis=None):
1537
"""See InterRepository.copy_content()."""
1538
# weave specific optimised path:
1539
if basis is not None:
1540
# copy the basis in, then fetch remaining data.
1541
basis.copy_content_into(self.target, revision_id)
1542
# the basis copy_content_into could misset this.
1544
self.target.set_make_working_trees(self.source.make_working_trees())
1545
except NotImplementedError:
1547
self.target.fetch(self.source, revision_id=revision_id)
1550
self.target.set_make_working_trees(self.source.make_working_trees())
1551
except NotImplementedError:
1553
# FIXME do not peek!
1554
if self.source.control_files._transport.listable():
1555
pb = bzrlib.ui.ui_factory.nested_progress_bar()
1557
self.target.weave_store.copy_all_ids(
1558
self.source.weave_store,
1560
from_transaction=self.source.get_transaction(),
1561
to_transaction=self.target.get_transaction())
1562
pb.update('copying inventory', 0, 1)
1563
self.target.control_weaves.copy_multi(
1564
self.source.control_weaves, ['inventory'],
1565
from_transaction=self.source.get_transaction(),
1566
to_transaction=self.target.get_transaction())
1567
self.target._revision_store.text_store.copy_all_ids(
1568
self.source._revision_store.text_store,
1573
self.target.fetch(self.source, revision_id=revision_id)
1576
def fetch(self, revision_id=None, pb=None):
1577
"""See InterRepository.fetch()."""
1578
from bzrlib.fetch import GenericRepoFetcher
1579
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1580
self.source, self.source._format, self.target, self.target._format)
1581
f = GenericRepoFetcher(to_repository=self.target,
1582
from_repository=self.source,
1583
last_revision=revision_id,
1585
return f.count_copied, f.failed_revisions
1588
def missing_revision_ids(self, revision_id=None):
1589
"""See InterRepository.missing_revision_ids()."""
1590
# we want all revisions to satisfy revision_id in source.
1591
# but we dont want to stat every file here and there.
1592
# we want then, all revisions other needs to satisfy revision_id
1593
# checked, but not those that we have locally.
1594
# so the first thing is to get a subset of the revisions to
1595
# satisfy revision_id in source, and then eliminate those that
1596
# we do already have.
1597
# this is slow on high latency connection to self, but as as this
1598
# disk format scales terribly for push anyway due to rewriting
1599
# inventory.weave, this is considered acceptable.
1601
if revision_id is not None:
1602
source_ids = self.source.get_ancestry(revision_id)
1603
assert source_ids.pop(0) == None
1605
source_ids = self.source._all_possible_ids()
1606
source_ids_set = set(source_ids)
1607
# source_ids is the worst possible case we may need to pull.
1608
# now we want to filter source_ids against what we actually
1609
# have in target, but dont try to check for existence where we know
1610
# we do not have a revision as that would be pointless.
1611
target_ids = set(self.target._all_possible_ids())
1612
possibly_present_revisions = target_ids.intersection(source_ids_set)
1613
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1614
required_revisions = source_ids_set.difference(actually_present_revisions)
1615
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1616
if revision_id is not None:
1617
# we used get_ancestry to determine source_ids then we are assured all
1618
# revisions referenced are present as they are installed in topological order.
1619
# and the tip revision was validated by get_ancestry.
1620
return required_topo_revisions
1622
# if we just grabbed the possibly available ids, then
1623
# we only have an estimate of whats available and need to validate
1624
# that against the revision records.
1625
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1628
class InterKnitRepo(InterRepository):
1629
"""Optimised code paths between Knit based repositories."""
1631
_matching_repo_format = RepositoryFormatKnit1()
1632
"""Repository format for testing with."""
1635
def is_compatible(source, target):
1636
"""Be compatible with known Knit formats.
1638
We dont test for the stores being of specific types becase that
1639
could lead to confusing results, and there is no need to be
1643
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1644
isinstance(target._format, (RepositoryFormatKnit1)))
1645
except AttributeError:
1649
def fetch(self, revision_id=None, pb=None):
1650
"""See InterRepository.fetch()."""
1651
from bzrlib.fetch import KnitRepoFetcher
1652
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1653
self.source, self.source._format, self.target, self.target._format)
1654
f = KnitRepoFetcher(to_repository=self.target,
1655
from_repository=self.source,
1656
last_revision=revision_id,
1658
return f.count_copied, f.failed_revisions
1661
def missing_revision_ids(self, revision_id=None):
1662
"""See InterRepository.missing_revision_ids()."""
1663
if revision_id is not None:
1664
source_ids = self.source.get_ancestry(revision_id)
1665
assert source_ids.pop(0) == None
1667
source_ids = self.source._all_possible_ids()
1668
source_ids_set = set(source_ids)
1669
# source_ids is the worst possible case we may need to pull.
1670
# now we want to filter source_ids against what we actually
1671
# have in target, but dont try to check for existence where we know
1672
# we do not have a revision as that would be pointless.
1673
target_ids = set(self.target._all_possible_ids())
1674
possibly_present_revisions = target_ids.intersection(source_ids_set)
1675
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1676
required_revisions = source_ids_set.difference(actually_present_revisions)
1677
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1678
if revision_id is not None:
1679
# we used get_ancestry to determine source_ids then we are assured all
1680
# revisions referenced are present as they are installed in topological order.
1681
# and the tip revision was validated by get_ancestry.
1682
return required_topo_revisions
1684
# if we just grabbed the possibly available ids, then
1685
# we only have an estimate of whats available and need to validate
1686
# that against the revision records.
1687
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1689
InterRepository.register_optimiser(InterWeaveRepo)
1690
InterRepository.register_optimiser(InterKnitRepo)
1693
class RepositoryTestProviderAdapter(object):
1694
"""A tool to generate a suite testing multiple repository formats at once.
1696
This is done by copying the test once for each transport and injecting
1697
the transport_server, transport_readonly_server, and bzrdir_format and
1698
repository_format classes into each copy. Each copy is also given a new id()
1699
to make it easy to identify.
1702
def __init__(self, transport_server, transport_readonly_server, formats):
1703
self._transport_server = transport_server
1704
self._transport_readonly_server = transport_readonly_server
1705
self._formats = formats
1707
def adapt(self, test):
1708
result = TestSuite()
1709
for repository_format, bzrdir_format in self._formats:
1710
new_test = deepcopy(test)
1711
new_test.transport_server = self._transport_server
1712
new_test.transport_readonly_server = self._transport_readonly_server
1713
new_test.bzrdir_format = bzrdir_format
1714
new_test.repository_format = repository_format
1715
def make_new_test_id():
1716
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
1717
return lambda: new_id
1718
new_test.id = make_new_test_id()
1719
result.addTest(new_test)
1723
class InterRepositoryTestProviderAdapter(object):
1724
"""A tool to generate a suite testing multiple inter repository formats.
1726
This is done by copying the test once for each interrepo provider and injecting
1727
the transport_server, transport_readonly_server, repository_format and
1728
repository_to_format classes into each copy.
1729
Each copy is also given a new id() to make it easy to identify.
1732
def __init__(self, transport_server, transport_readonly_server, formats):
1733
self._transport_server = transport_server
1734
self._transport_readonly_server = transport_readonly_server
1735
self._formats = formats
1737
def adapt(self, test):
1738
result = TestSuite()
1739
for interrepo_class, repository_format, repository_format_to in self._formats:
1740
new_test = deepcopy(test)
1741
new_test.transport_server = self._transport_server
1742
new_test.transport_readonly_server = self._transport_readonly_server
1743
new_test.interrepo_class = interrepo_class
1744
new_test.repository_format = repository_format
1745
new_test.repository_format_to = repository_format_to
1746
def make_new_test_id():
1747
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
1748
return lambda: new_id
1749
new_test.id = make_new_test_id()
1750
result.addTest(new_test)
1754
def default_test_list():
1755
"""Generate the default list of interrepo permutations to test."""
1757
# test the default InterRepository between format 6 and the current
1759
# XXX: robertc 20060220 reinstate this when there are two supported
1760
# formats which do not have an optimal code path between them.
1761
result.append((InterRepository,
1762
RepositoryFormat6(),
1763
RepositoryFormatKnit1()))
1764
for optimiser in InterRepository._optimisers:
1765
result.append((optimiser,
1766
optimiser._matching_repo_format,
1767
optimiser._matching_repo_format
1769
# if there are specific combinations we want to use, we can add them
1762
1774
class CopyConverter(object):
1763
1775
"""A repository conversion tool which just performs a copy of the content.
1765
1777
This is slow but quite reliable.
added
removed
bzrlib/repository.py
