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# Copyright (C) 2005, 2006 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from binascii import hexlify
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from copy import deepcopy
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revision as _mod_revision,
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from bzrlib.osutils import (
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from bzrlib.revisiontree import RevisionTree
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from bzrlib.store.versioned import VersionedFileStore
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from bzrlib.store.text import TextStore
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from bzrlib.testament import Testament
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.inter import InterObject
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from bzrlib.inventory import Inventory, InventoryDirectory, ROOT_ID
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from bzrlib.symbol_versioning import (
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from bzrlib.trace import mutter, note, 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 Repository(object):
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"""Repository holding history for one or more branches.
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The repository holds and retrieves historical information including
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revisions and file history. It's normally accessed only by the Branch,
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which views a particular line of development through that history.
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The Repository builds on top of Stores and a Transport, which respectively
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describe the disk data format and the way of accessing the (possibly
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def add_inventory(self, revid, inv, parents):
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"""Add the inventory inv to the repository as revid.
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:param parents: The revision ids of the parents that revid
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is known to have and are in the repository already.
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returns the sha1 of the serialized inventory.
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assert inv.revision_id is None or inv.revision_id == revid, \
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"Mismatch between inventory revision" \
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" id and insertion revid (%r, %r)" % (inv.revision_id, revid)
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assert inv.root is not None
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inv_text = self.serialise_inventory(inv)
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inv_sha1 = 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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self._inventory_add_lines(inv_vf, revid, parents, osutils.split_lines(inv_text))
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def _inventory_add_lines(self, inv_vf, revid, parents, lines):
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for parent in parents:
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final_parents.append(parent)
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inv_vf.add_lines(revid, final_parents, lines)
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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 deprecated because code should generally work on the graph
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reachable from a particular revision, and ignore any other revisions
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that might be present. There is no direct replacement method.
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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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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 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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def _eliminate_revisions_not_present(self, revision_ids):
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"""Check every revision id in revision_ids to see if we have it.
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Returns a set of the present revisions.
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for id in revision_ids:
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if self.has_revision(id):
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def create(a_bzrdir):
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"""Construct the current default format repository in a_bzrdir."""
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return RepositoryFormat.get_default_format().initialize(a_bzrdir)
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def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
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"""instantiate a Repository.
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:param _format: The format of the repository on disk.
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:param a_bzrdir: The BzrDir of the repository.
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In the future we will have a single api for all stores for
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getting file texts, inventories and revisions, then
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this construct will accept instances of those things.
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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._revision_store = _revision_store
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self.text_store = text_store
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# backwards compatibility
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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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self._warn_if_deprecated()
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self._serializer = xml5.serializer_v5
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return '%s(%r)' % (self.__class__.__name__,
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self.bzrdir.transport.base)
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return self.control_files.is_locked()
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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 get_physical_lock_status(self):
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return self.control_files.get_physical_lock_status()
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def missing_revision_ids(self, other, revision_id=None):
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"""Return the revision ids that other has that this does not.
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These are returned in topological order.
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revision_id: only return revision ids included by revision_id.
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return InterRepository.get(other, self).missing_revision_ids(revision_id)
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"""Open the repository rooted at base.
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For instance, if the repository is at URL/.bzr/repository,
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Repository.open(URL) -> a Repository instance.
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control = bzrdir.BzrDir.open(base)
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return control.open_repository()
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def copy_content_into(self, destination, revision_id=None, basis=None):
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"""Make a complete copy of the content in self into destination.
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This is a destructive operation! Do not use it on existing
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return InterRepository.get(self, destination).copy_content(revision_id, basis)
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def fetch(self, source, revision_id=None, pb=None):
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"""Fetch the content required to construct revision_id from source.
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If revision_id is None all content is copied.
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return InterRepository.get(source, self).fetch(revision_id=revision_id,
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def get_commit_builder(self, branch, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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"""Obtain a CommitBuilder for this repository.
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:param branch: Branch to commit to.
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:param parents: Revision ids of the parents of the new revision.
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:param config: Configuration to use.
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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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return _CommitBuilder(self, parents, config, timestamp, timezone,
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committer, revprops, revision_id)
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self.control_files.unlock()
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def clone(self, a_bzrdir, revision_id=None, basis=None):
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"""Clone this repository into a_bzrdir using the current format.
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Currently no check is made that the format of this repository and
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the bzrdir format are compatible. FIXME RBC 20060201.
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if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
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# use target default format.
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result = a_bzrdir.create_repository()
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# FIXME RBC 20060209 split out the repository type to avoid this check ?
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elif isinstance(a_bzrdir._format,
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(bzrdir.BzrDirFormat4,
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bzrdir.BzrDirFormat5,
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bzrdir.BzrDirFormat6)):
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result = a_bzrdir.open_repository()
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result = self._format.initialize(a_bzrdir, shared=self.is_shared())
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self.copy_content_into(result, revision_id, basis)
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def has_revision(self, revision_id):
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"""True if this repository has a copy of the revision."""
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return self._revision_store.has_revision_id(revision_id,
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self.get_transaction())
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def get_revision_reconcile(self, revision_id):
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"""'reconcile' helper routine that allows access to a revision always.
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This variant of get_revision does not cross check the weave graph
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against the revision one as get_revision does: but it should only
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be used by reconcile, or reconcile-alike commands that are correcting
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or testing the revision graph.
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if not revision_id or not isinstance(revision_id, basestring):
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raise errors.InvalidRevisionId(revision_id=revision_id,
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return self._revision_store.get_revisions([revision_id],
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self.get_transaction())[0]
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def get_revisions(self, revision_ids):
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return self._revision_store.get_revisions(revision_ids,
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self.get_transaction())
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def get_revision_xml(self, revision_id):
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rev = self.get_revision(revision_id)
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# the current serializer..
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self._revision_store._serializer.write_revision(rev, rev_tmp)
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return rev_tmp.getvalue()
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def get_revision(self, revision_id):
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"""Return the Revision object for a named revision"""
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r = self.get_revision_reconcile(revision_id)
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# weave corruption can lead to absent revision markers that should be
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# the following test is reasonably cheap (it needs a single weave read)
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# and the weave is cached in read transactions. In write transactions
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# it is not cached but typically we only read a small number of
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# revisions. For knits when they are introduced we will probably want
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# to ensure that caching write transactions are in use.
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inv = self.get_inventory_weave()
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self._check_revision_parents(r, inv)
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def get_deltas_for_revisions(self, revisions):
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"""Produce a generator of revision deltas.
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Note that the input is a sequence of REVISIONS, not revision_ids.
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Trees will be held in memory until the generator exits.
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Each delta is relative to the revision's lefthand predecessor.
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required_trees = set()
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for revision in revisions:
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required_trees.add(revision.revision_id)
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required_trees.update(revision.parent_ids[:1])
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trees = dict((t.get_revision_id(), t) for
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t in self.revision_trees(required_trees))
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for revision in revisions:
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if not revision.parent_ids:
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old_tree = self.revision_tree(None)
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old_tree = trees[revision.parent_ids[0]]
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yield trees[revision.revision_id].changes_from(old_tree)
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def get_revision_delta(self, revision_id):
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"""Return the delta for one revision.
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The delta is relative to the left-hand predecessor of the
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r = self.get_revision(revision_id)
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return list(self.get_deltas_for_revisions([r]))[0]
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def _check_revision_parents(self, revision, inventory):
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"""Private to Repository and Fetch.
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This checks the parentage of revision in an inventory weave for
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consistency and is only applicable to inventory-weave-for-ancestry
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using repository formats & fetchers.
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weave_parents = inventory.get_parents(revision.revision_id)
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weave_names = inventory.versions()
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for parent_id in revision.parent_ids:
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if parent_id in weave_names:
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# this parent must not be a ghost.
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if not parent_id in weave_parents:
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raise errors.CorruptRepository(self)
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def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
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signature = gpg_strategy.sign(plaintext)
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self._revision_store.add_revision_signature_text(revision_id,
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self.get_transaction())
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def fileids_altered_by_revision_ids(self, revision_ids):
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"""Find the file ids and versions affected by revisions.
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:param revisions: an iterable containing revision ids.
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:return: a dictionary mapping altered file-ids to an iterable of
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revision_ids. Each altered file-ids has the exact revision_ids that
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altered it listed explicitly.
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assert self._serializer.support_altered_by_hack, \
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("fileids_altered_by_revision_ids only supported for branches "
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"which store inventory as unnested xml, not on %r" % self)
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selected_revision_ids = set(revision_ids)
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w = self.get_inventory_weave()
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# this code needs to read every new line in every inventory for the
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# inventories [revision_ids]. Seeing a line twice is ok. Seeing a line
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# not present in one of those inventories is unnecessary but not
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# harmful because we are filtering by the revision id marker in the
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# inventory lines : we only select file ids altered in one of those
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# revisions. We don't need to see all lines in the inventory because
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# only those added in an inventory in rev X can contain a revision=X
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pb = ui.ui_factory.nested_progress_bar()
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for line in w.iter_lines_added_or_present_in_versions(
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selected_revision_ids, pb=pb):
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start = line.find('file_id="')+9
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if start < 9: continue
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end = line.find('"', start)
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file_id = _unescape_xml(line[start:end])
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start = line.find('revision="')+10
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if start < 10: continue
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end = line.find('"', start)
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revision_id = _unescape_xml(line[start:end])
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if revision_id in selected_revision_ids:
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result.setdefault(file_id, set()).add(revision_id)
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def get_inventory_weave(self):
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return self.control_weaves.get_weave('inventory',
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self.get_transaction())
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def get_inventory(self, revision_id):
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"""Get Inventory object by hash."""
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return self.deserialise_inventory(
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revision_id, self.get_inventory_xml(revision_id))
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def deserialise_inventory(self, revision_id, xml):
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"""Transform the xml into an inventory object.
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:param revision_id: The expected revision id of the inventory.
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:param xml: A serialised inventory.
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result = self._serializer.read_inventory_from_string(xml)
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result.root.revision = revision_id
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def serialise_inventory(self, inv):
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return self._serializer.write_inventory_to_string(inv)
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def get_inventory_xml(self, revision_id):
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"""Get inventory XML as a file object."""
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assert isinstance(revision_id, basestring), type(revision_id)
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iw = self.get_inventory_weave()
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return iw.get_text(revision_id)
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raise errors.HistoryMissing(self, 'inventory', revision_id)
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def get_inventory_sha1(self, revision_id):
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"""Return the sha1 hash of the inventory entry
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return self.get_revision(revision_id).inventory_sha1
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def get_revision_graph(self, revision_id=None):
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"""Return a dictionary containing the revision graph.
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:param revision_id: The revision_id to get a graph from. If None, then
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the entire revision graph is returned. This is a deprecated mode of
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operation and will be removed in the future.
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:return: a dictionary of revision_id->revision_parents_list.
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# special case NULL_REVISION
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if revision_id == _mod_revision.NULL_REVISION:
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a_weave = self.get_inventory_weave()
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all_revisions = self._eliminate_revisions_not_present(
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entire_graph = dict([(node, a_weave.get_parents(node)) for
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node in all_revisions])
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if revision_id is None:
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elif revision_id not in entire_graph:
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raise errors.NoSuchRevision(self, revision_id)
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# add what can be reached from revision_id
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pending = set([revision_id])
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while len(pending) > 0:
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result[node] = entire_graph[node]
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for revision_id in result[node]:
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if revision_id not in result:
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pending.add(revision_id)
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def get_revision_graph_with_ghosts(self, revision_ids=None):
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"""Return a graph of the revisions with ghosts marked as applicable.
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:param revision_ids: an iterable of revisions to graph or None for all.
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:return: a Graph object with the graph reachable from revision_ids.
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result = graph.Graph()
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pending = set(self.all_revision_ids())
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pending = set(revision_ids)
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# special case NULL_REVISION
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if _mod_revision.NULL_REVISION in pending:
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pending.remove(_mod_revision.NULL_REVISION)
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required = set(pending)
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revision_id = pending.pop()
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rev = self.get_revision(revision_id)
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except errors.NoSuchRevision:
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if revision_id in required:
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result.add_ghost(revision_id)
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for parent_id in rev.parent_ids:
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# is this queued or done ?
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if (parent_id not in pending and
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parent_id not in done):
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pending.add(parent_id)
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result.add_node(revision_id, rev.parent_ids)
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done.add(revision_id)
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def get_revision_inventory(self, revision_id):
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"""Return inventory of a past revision."""
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# TODO: Unify this with get_inventory()
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# bzr 0.0.6 and later imposes the constraint that the inventory_id
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# must be the same as its revision, so this is trivial.
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if revision_id is None:
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# This does not make sense: if there is no revision,
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# then it is the current tree inventory surely ?!
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# and thus get_root_id() is something that looks at the last
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# commit on the branch, and the get_root_id is an inventory check.
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raise NotImplementedError
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# return Inventory(self.get_root_id())
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return self.get_inventory(revision_id)
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"""Return True if this repository is flagged as a shared repository."""
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raise NotImplementedError(self.is_shared)
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def reconcile(self, other=None, thorough=False):
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"""Reconcile this repository."""
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from bzrlib.reconcile import RepoReconciler
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reconciler = RepoReconciler(self, thorough=thorough)
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reconciler.reconcile()
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def revision_tree(self, revision_id):
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"""Return Tree for a revision on this branch.
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`revision_id` may be None for the empty tree revision.
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# TODO: refactor this to use an existing revision object
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# so we don't need to read it in twice.
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if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
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return RevisionTree(self, Inventory(root_id=None),
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_mod_revision.NULL_REVISION)
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inv = self.get_revision_inventory(revision_id)
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return RevisionTree(self, inv, revision_id)
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def revision_trees(self, revision_ids):
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"""Return Tree for a revision on this branch.
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`revision_id` may not be None or 'null:'"""
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assert None not in revision_ids
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assert _mod_revision.NULL_REVISION not in revision_ids
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texts = self.get_inventory_weave().get_texts(revision_ids)
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for text, revision_id in zip(texts, revision_ids):
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inv = self.deserialise_inventory(revision_id, text)
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yield RevisionTree(self, inv, revision_id)
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def get_ancestry(self, revision_id):
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"""Return a list of revision-ids integrated by a revision.
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The first element of the list is always None, indicating the origin
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revision. This might change when we have history horizons, or
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perhaps we should have a new API.
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This is topologically sorted.
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if revision_id is None:
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if not self.has_revision(revision_id):
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raise errors.NoSuchRevision(self, revision_id)
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w = self.get_inventory_weave()
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candidates = w.get_ancestry(revision_id)
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return [None] + candidates # self._eliminate_revisions_not_present(candidates)
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def print_file(self, file, revision_id):
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"""Print `file` to stdout.
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FIXME RBC 20060125 as John Meinel points out this is a bad api
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- it writes to stdout, it assumes that that is valid etc. Fix
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by creating a new more flexible convenience function.
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tree = self.revision_tree(revision_id)
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# use inventory as it was in that revision
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file_id = tree.inventory.path2id(file)
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# TODO: jam 20060427 Write a test for this code path
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# it had a bug in it, and was raising the wrong
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raise errors.BzrError("%r is not present in revision %s" % (file, revision_id))
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tree.print_file(file_id)
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def get_transaction(self):
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return self.control_files.get_transaction()
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def revision_parents(self, revid):
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return self.get_inventory_weave().parent_names(revid)
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def set_make_working_trees(self, new_value):
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"""Set the policy flag for making working trees when creating branches.
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This only applies to branches that use this repository.
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The default is 'True'.
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:param new_value: True to restore the default, False to disable making
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raise NotImplementedError(self.set_make_working_trees)
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def make_working_trees(self):
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"""Returns the policy for making working trees on new branches."""
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raise NotImplementedError(self.make_working_trees)
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def sign_revision(self, revision_id, gpg_strategy):
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plaintext = Testament.from_revision(self, revision_id).as_short_text()
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self.store_revision_signature(gpg_strategy, plaintext, revision_id)
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def has_signature_for_revision_id(self, revision_id):
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"""Query for a revision signature for revision_id in the repository."""
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return self._revision_store.has_signature(revision_id,
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self.get_transaction())
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def get_signature_text(self, revision_id):
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"""Return the text for a signature."""
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return self._revision_store.get_signature_text(revision_id,
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self.get_transaction())
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def check(self, revision_ids):
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"""Check consistency of all history of given revision_ids.
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Different repository implementations should override _check().
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:param revision_ids: A non-empty list of revision_ids whose ancestry
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will be checked. Typically the last revision_id of a branch.
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raise ValueError("revision_ids must be non-empty in %s.check"
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return self._check(revision_ids)
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def _check(self, revision_ids):
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result = check.Check(self)
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def _warn_if_deprecated(self):
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global _deprecation_warning_done
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if _deprecation_warning_done:
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_deprecation_warning_done = True
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warning("Format %s for %s is deprecated - please use 'bzr upgrade' to get better performance"
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% (self._format, self.bzrdir.transport.base))
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def supports_rich_root(self):
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return self._format.rich_root_data
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class AllInOneRepository(Repository):
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"""Legacy support - the repository behaviour for all-in-one branches."""
736
def __init__(self, _format, a_bzrdir, _revision_store, control_store, text_store):
737
# we reuse one control files instance.
738
dir_mode = a_bzrdir._control_files._dir_mode
739
file_mode = a_bzrdir._control_files._file_mode
741
def get_store(name, compressed=True, prefixed=False):
742
# FIXME: This approach of assuming stores are all entirely compressed
743
# or entirely uncompressed is tidy, but breaks upgrade from
744
# some existing branches where there's a mixture; we probably
745
# still want the option to look for both.
746
relpath = a_bzrdir._control_files._escape(name)
747
store = TextStore(a_bzrdir._control_files._transport.clone(relpath),
748
prefixed=prefixed, compressed=compressed,
751
#if self._transport.should_cache():
752
# cache_path = os.path.join(self.cache_root, name)
753
# os.mkdir(cache_path)
754
# store = bzrlib.store.CachedStore(store, cache_path)
757
# not broken out yet because the controlweaves|inventory_store
758
# and text_store | weave_store bits are still different.
759
if isinstance(_format, RepositoryFormat4):
760
# cannot remove these - there is still no consistent api
761
# which allows access to this old info.
762
self.inventory_store = get_store('inventory-store')
763
text_store = get_store('text-store')
764
super(AllInOneRepository, self).__init__(_format, a_bzrdir, a_bzrdir._control_files, _revision_store, control_store, text_store)
768
"""AllInOne repositories cannot be shared."""
772
def set_make_working_trees(self, new_value):
773
"""Set the policy flag for making working trees when creating branches.
775
This only applies to branches that use this repository.
777
The default is 'True'.
778
:param new_value: True to restore the default, False to disable making
781
raise NotImplementedError(self.set_make_working_trees)
783
def make_working_trees(self):
784
"""Returns the policy for making working trees on new branches."""
788
def install_revision(repository, rev, revision_tree):
789
"""Install all revision data into a repository."""
792
for p_id in rev.parent_ids:
793
if repository.has_revision(p_id):
794
present_parents.append(p_id)
795
parent_trees[p_id] = repository.revision_tree(p_id)
797
parent_trees[p_id] = repository.revision_tree(None)
799
inv = revision_tree.inventory
800
entries = inv.iter_entries()
801
# backwards compatability hack: skip the root id.
802
if not repository.supports_rich_root():
803
path, root = entries.next()
804
if root.revision != rev.revision_id:
805
raise errors.IncompatibleRevision(repr(repository))
806
# Add the texts that are not already present
807
for path, ie in entries:
808
w = repository.weave_store.get_weave_or_empty(ie.file_id,
809
repository.get_transaction())
810
if ie.revision not in w:
812
# FIXME: TODO: The following loop *may* be overlapping/duplicate
813
# with InventoryEntry.find_previous_heads(). if it is, then there
814
# is a latent bug here where the parents may have ancestors of each
816
for revision, tree in parent_trees.iteritems():
817
if ie.file_id not in tree:
819
parent_id = tree.inventory[ie.file_id].revision
820
if parent_id in text_parents:
822
text_parents.append(parent_id)
824
vfile = repository.weave_store.get_weave_or_empty(ie.file_id,
825
repository.get_transaction())
826
lines = revision_tree.get_file(ie.file_id).readlines()
827
vfile.add_lines(rev.revision_id, text_parents, lines)
829
# install the inventory
830
repository.add_inventory(rev.revision_id, inv, present_parents)
831
except errors.RevisionAlreadyPresent:
833
repository.add_revision(rev.revision_id, rev, inv)
836
class MetaDirRepository(Repository):
837
"""Repositories in the new meta-dir layout."""
839
def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
840
super(MetaDirRepository, self).__init__(_format,
846
dir_mode = self.control_files._dir_mode
847
file_mode = self.control_files._file_mode
851
"""Return True if this repository is flagged as a shared repository."""
852
return self.control_files._transport.has('shared-storage')
855
def set_make_working_trees(self, new_value):
856
"""Set the policy flag for making working trees when creating branches.
858
This only applies to branches that use this repository.
860
The default is 'True'.
861
:param new_value: True to restore the default, False to disable making
866
self.control_files._transport.delete('no-working-trees')
867
except errors.NoSuchFile:
870
self.control_files.put_utf8('no-working-trees', '')
872
def make_working_trees(self):
873
"""Returns the policy for making working trees on new branches."""
874
return not self.control_files._transport.has('no-working-trees')
877
class KnitRepository(MetaDirRepository):
878
"""Knit format repository."""
880
def _warn_if_deprecated(self):
881
# This class isn't deprecated
884
def _inventory_add_lines(self, inv_vf, revid, parents, lines):
885
inv_vf.add_lines_with_ghosts(revid, parents, lines)
888
def _all_revision_ids(self):
889
"""See Repository.all_revision_ids()."""
890
# Knits get the revision graph from the index of the revision knit, so
891
# it's always possible even if they're on an unlistable transport.
892
return self._revision_store.all_revision_ids(self.get_transaction())
894
def fileid_involved_between_revs(self, from_revid, to_revid):
895
"""Find file_id(s) which are involved in the changes between revisions.
897
This determines the set of revisions which are involved, and then
898
finds all file ids affected by those revisions.
900
vf = self._get_revision_vf()
901
from_set = set(vf.get_ancestry(from_revid))
902
to_set = set(vf.get_ancestry(to_revid))
903
changed = to_set.difference(from_set)
904
return self._fileid_involved_by_set(changed)
906
def fileid_involved(self, last_revid=None):
907
"""Find all file_ids modified in the ancestry of last_revid.
909
:param last_revid: If None, last_revision() will be used.
912
changed = set(self.all_revision_ids())
914
changed = set(self.get_ancestry(last_revid))
917
return self._fileid_involved_by_set(changed)
920
def get_ancestry(self, revision_id):
921
"""Return a list of revision-ids integrated by a revision.
923
This is topologically sorted.
925
if revision_id is None:
927
vf = self._get_revision_vf()
929
return [None] + vf.get_ancestry(revision_id)
930
except errors.RevisionNotPresent:
931
raise errors.NoSuchRevision(self, revision_id)
934
def get_revision(self, revision_id):
935
"""Return the Revision object for a named revision"""
936
return self.get_revision_reconcile(revision_id)
939
def get_revision_graph(self, revision_id=None):
940
"""Return a dictionary containing the revision graph.
942
:param revision_id: The revision_id to get a graph from. If None, then
943
the entire revision graph is returned. This is a deprecated mode of
944
operation and will be removed in the future.
945
:return: a dictionary of revision_id->revision_parents_list.
947
# special case NULL_REVISION
948
if revision_id == _mod_revision.NULL_REVISION:
950
a_weave = self._get_revision_vf()
951
entire_graph = a_weave.get_graph()
952
if revision_id is None:
953
return a_weave.get_graph()
954
elif revision_id not in a_weave:
955
raise errors.NoSuchRevision(self, revision_id)
957
# add what can be reached from revision_id
959
pending = set([revision_id])
960
while len(pending) > 0:
962
result[node] = a_weave.get_parents(node)
963
for revision_id in result[node]:
964
if revision_id not in result:
965
pending.add(revision_id)
969
def get_revision_graph_with_ghosts(self, revision_ids=None):
970
"""Return a graph of the revisions with ghosts marked as applicable.
972
:param revision_ids: an iterable of revisions to graph or None for all.
973
:return: a Graph object with the graph reachable from revision_ids.
975
result = graph.Graph()
976
vf = self._get_revision_vf()
977
versions = set(vf.versions())
979
pending = set(self.all_revision_ids())
982
pending = set(revision_ids)
983
# special case NULL_REVISION
984
if _mod_revision.NULL_REVISION in pending:
985
pending.remove(_mod_revision.NULL_REVISION)
986
required = set(pending)
989
revision_id = pending.pop()
990
if not revision_id in versions:
991
if revision_id in required:
992
raise errors.NoSuchRevision(self, revision_id)
994
result.add_ghost(revision_id)
995
# mark it as done so we don't try for it again.
996
done.add(revision_id)
998
parent_ids = vf.get_parents_with_ghosts(revision_id)
999
for parent_id in parent_ids:
1000
# is this queued or done ?
1001
if (parent_id not in pending and
1002
parent_id not in done):
1004
pending.add(parent_id)
1005
result.add_node(revision_id, parent_ids)
1006
done.add(revision_id)
1009
def _get_revision_vf(self):
1010
""":return: a versioned file containing the revisions."""
1011
vf = self._revision_store.get_revision_file(self.get_transaction())
1015
def reconcile(self, other=None, thorough=False):
1016
"""Reconcile this repository."""
1017
from bzrlib.reconcile import KnitReconciler
1018
reconciler = KnitReconciler(self, thorough=thorough)
1019
reconciler.reconcile()
1022
def revision_parents(self, revision_id):
1023
return self._get_revision_vf().get_parents(revision_id)
1026
class KnitRepository2(KnitRepository):
1028
def __init__(self, _format, a_bzrdir, control_files, _revision_store,
1029
control_store, text_store):
1030
KnitRepository.__init__(self, _format, a_bzrdir, control_files,
1031
_revision_store, control_store, text_store)
1032
self._serializer = xml6.serializer_v6
1034
def deserialise_inventory(self, revision_id, xml):
1035
"""Transform the xml into an inventory object.
1037
:param revision_id: The expected revision id of the inventory.
1038
:param xml: A serialised inventory.
1040
result = self._serializer.read_inventory_from_string(xml)
1041
assert result.root.revision is not None
1044
def serialise_inventory(self, inv):
1045
"""Transform the inventory object into XML text.
1047
:param revision_id: The expected revision id of the inventory.
1048
:param xml: A serialised inventory.
1050
assert inv.revision_id is not None
1051
assert inv.root.revision is not None
1052
return KnitRepository.serialise_inventory(self, inv)
1054
def get_commit_builder(self, branch, parents, config, timestamp=None,
1055
timezone=None, committer=None, revprops=None,
1057
"""Obtain a CommitBuilder for this repository.
1059
:param branch: Branch to commit to.
1060
:param parents: Revision ids of the parents of the new revision.
1061
:param config: Configuration to use.
1062
:param timestamp: Optional timestamp recorded for commit.
1063
:param timezone: Optional timezone for timestamp.
1064
:param committer: Optional committer to set for commit.
1065
:param revprops: Optional dictionary of revision properties.
1066
:param revision_id: Optional revision id.
1068
return RootCommitBuilder(self, parents, config, timestamp, timezone,
1069
committer, revprops, revision_id)
1072
class RepositoryFormat(object):
1073
"""A repository format.
1075
Formats provide three things:
1076
* An initialization routine to construct repository data on disk.
1077
* a format string which is used when the BzrDir supports versioned
1079
* an open routine which returns a Repository instance.
1081
Formats are placed in an dict by their format string for reference
1082
during opening. These should be subclasses of RepositoryFormat
1085
Once a format is deprecated, just deprecate the initialize and open
1086
methods on the format class. Do not deprecate the object, as the
1087
object will be created every system load.
1089
Common instance attributes:
1090
_matchingbzrdir - the bzrdir format that the repository format was
1091
originally written to work with. This can be used if manually
1092
constructing a bzrdir and repository, or more commonly for test suite
1096
_default_format = None
1097
"""The default format used for new repositories."""
1100
"""The known formats."""
1103
return "<%s>" % self.__class__.__name__
1106
def find_format(klass, a_bzrdir):
1107
"""Return the format for the repository object in a_bzrdir."""
1109
transport = a_bzrdir.get_repository_transport(None)
1110
format_string = transport.get("format").read()
1111
return klass._formats[format_string]
1112
except errors.NoSuchFile:
1113
raise errors.NoRepositoryPresent(a_bzrdir)
1115
raise errors.UnknownFormatError(format=format_string)
1117
def _get_control_store(self, repo_transport, control_files):
1118
"""Return the control store for this repository."""
1119
raise NotImplementedError(self._get_control_store)
1122
def get_default_format(klass):
1123
"""Return the current default format."""
1124
return klass._default_format
1126
def get_format_string(self):
1127
"""Return the ASCII format string that identifies this format.
1129
Note that in pre format ?? repositories the format string is
1130
not permitted nor written to disk.
1132
raise NotImplementedError(self.get_format_string)
1134
def get_format_description(self):
1135
"""Return the short description for this format."""
1136
raise NotImplementedError(self.get_format_description)
1138
def _get_revision_store(self, repo_transport, control_files):
1139
"""Return the revision store object for this a_bzrdir."""
1140
raise NotImplementedError(self._get_revision_store)
1142
def _get_text_rev_store(self,
1149
"""Common logic for getting a revision store for a repository.
1151
see self._get_revision_store for the subclass-overridable method to
1152
get the store for a repository.
1154
from bzrlib.store.revision.text import TextRevisionStore
1155
dir_mode = control_files._dir_mode
1156
file_mode = control_files._file_mode
1157
text_store =TextStore(transport.clone(name),
1159
compressed=compressed,
1161
file_mode=file_mode)
1162
_revision_store = TextRevisionStore(text_store, serializer)
1163
return _revision_store
1165
def _get_versioned_file_store(self,
1170
versionedfile_class=weave.WeaveFile,
1171
versionedfile_kwargs={},
1173
weave_transport = control_files._transport.clone(name)
1174
dir_mode = control_files._dir_mode
1175
file_mode = control_files._file_mode
1176
return VersionedFileStore(weave_transport, prefixed=prefixed,
1178
file_mode=file_mode,
1179
versionedfile_class=versionedfile_class,
1180
versionedfile_kwargs=versionedfile_kwargs,
1183
def initialize(self, a_bzrdir, shared=False):
1184
"""Initialize a repository of this format in a_bzrdir.
1186
:param a_bzrdir: The bzrdir to put the new repository in it.
1187
:param shared: The repository should be initialized as a sharable one.
1188
:returns: The new repository object.
1190
This may raise UninitializableFormat if shared repository are not
1191
compatible the a_bzrdir.
1193
raise NotImplementedError(self.initialize)
1195
def is_supported(self):
1196
"""Is this format supported?
1198
Supported formats must be initializable and openable.
1199
Unsupported formats may not support initialization or committing or
1200
some other features depending on the reason for not being supported.
1204
def check_conversion_target(self, target_format):
1205
raise NotImplementedError(self.check_conversion_target)
1207
def open(self, a_bzrdir, _found=False):
1208
"""Return an instance of this format for the bzrdir a_bzrdir.
1210
_found is a private parameter, do not use it.
1212
raise NotImplementedError(self.open)
1215
def register_format(klass, format):
1216
klass._formats[format.get_format_string()] = format
1219
def set_default_format(klass, format):
1220
klass._default_format = format
1223
def unregister_format(klass, format):
1224
assert klass._formats[format.get_format_string()] is format
1225
del klass._formats[format.get_format_string()]
1228
class PreSplitOutRepositoryFormat(RepositoryFormat):
1229
"""Base class for the pre split out repository formats."""
1231
rich_root_data = False
1233
def initialize(self, a_bzrdir, shared=False, _internal=False):
1234
"""Create a weave repository.
1236
TODO: when creating split out bzr branch formats, move this to a common
1237
base for Format5, Format6. or something like that.
1240
raise errors.IncompatibleFormat(self, a_bzrdir._format)
1243
# always initialized when the bzrdir is.
1244
return self.open(a_bzrdir, _found=True)
1246
# Create an empty weave
1248
weavefile.write_weave_v5(weave.Weave(), sio)
1249
empty_weave = sio.getvalue()
1251
mutter('creating repository in %s.', a_bzrdir.transport.base)
1252
dirs = ['revision-store', 'weaves']
1253
files = [('inventory.weave', StringIO(empty_weave)),
1256
# FIXME: RBC 20060125 don't peek under the covers
1257
# NB: no need to escape relative paths that are url safe.
1258
control_files = lockable_files.LockableFiles(a_bzrdir.transport,
1259
'branch-lock', lockable_files.TransportLock)
1260
control_files.create_lock()
1261
control_files.lock_write()
1262
control_files._transport.mkdir_multi(dirs,
1263
mode=control_files._dir_mode)
1265
for file, content in files:
1266
control_files.put(file, content)
1268
control_files.unlock()
1269
return self.open(a_bzrdir, _found=True)
1271
def _get_control_store(self, repo_transport, control_files):
1272
"""Return the control store for this repository."""
1273
return self._get_versioned_file_store('',
1278
def _get_text_store(self, transport, control_files):
1279
"""Get a store for file texts for this format."""
1280
raise NotImplementedError(self._get_text_store)
1282
def open(self, a_bzrdir, _found=False):
1283
"""See RepositoryFormat.open()."""
1285
# we are being called directly and must probe.
1286
raise NotImplementedError
1288
repo_transport = a_bzrdir.get_repository_transport(None)
1289
control_files = a_bzrdir._control_files
1290
text_store = self._get_text_store(repo_transport, control_files)
1291
control_store = self._get_control_store(repo_transport, control_files)
1292
_revision_store = self._get_revision_store(repo_transport, control_files)
1293
return AllInOneRepository(_format=self,
1295
_revision_store=_revision_store,
1296
control_store=control_store,
1297
text_store=text_store)
1299
def check_conversion_target(self, target_format):
1303
class RepositoryFormat4(PreSplitOutRepositoryFormat):
1304
"""Bzr repository format 4.
1306
This repository format has:
1308
- TextStores for texts, inventories,revisions.
1310
This format is deprecated: it indexes texts using a text id which is
1311
removed in format 5; initialization and write support for this format
1316
super(RepositoryFormat4, self).__init__()
1317
self._matchingbzrdir = bzrdir.BzrDirFormat4()
1319
def get_format_description(self):
1320
"""See RepositoryFormat.get_format_description()."""
1321
return "Repository format 4"
1323
def initialize(self, url, shared=False, _internal=False):
1324
"""Format 4 branches cannot be created."""
1325
raise errors.UninitializableFormat(self)
1327
def is_supported(self):
1328
"""Format 4 is not supported.
1330
It is not supported because the model changed from 4 to 5 and the
1331
conversion logic is expensive - so doing it on the fly was not
1336
def _get_control_store(self, repo_transport, control_files):
1337
"""Format 4 repositories have no formal control store at this point.
1339
This will cause any control-file-needing apis to fail - this is desired.
1343
def _get_revision_store(self, repo_transport, control_files):
1344
"""See RepositoryFormat._get_revision_store()."""
1345
from bzrlib.xml4 import serializer_v4
1346
return self._get_text_rev_store(repo_transport,
1349
serializer=serializer_v4)
1351
def _get_text_store(self, transport, control_files):
1352
"""See RepositoryFormat._get_text_store()."""
1355
class RepositoryFormat5(PreSplitOutRepositoryFormat):
1356
"""Bzr control format 5.
1358
This repository format has:
1359
- weaves for file texts and inventory
1361
- TextStores for revisions and signatures.
1365
super(RepositoryFormat5, self).__init__()
1366
self._matchingbzrdir = bzrdir.BzrDirFormat5()
1368
def get_format_description(self):
1369
"""See RepositoryFormat.get_format_description()."""
1370
return "Weave repository format 5"
1372
def _get_revision_store(self, repo_transport, control_files):
1373
"""See RepositoryFormat._get_revision_store()."""
1374
"""Return the revision store object for this a_bzrdir."""
1375
return self._get_text_rev_store(repo_transport,
1380
def _get_text_store(self, transport, control_files):
1381
"""See RepositoryFormat._get_text_store()."""
1382
return self._get_versioned_file_store('weaves', transport, control_files, prefixed=False)
1385
class RepositoryFormat6(PreSplitOutRepositoryFormat):
1386
"""Bzr control format 6.
1388
This repository format has:
1389
- weaves for file texts and inventory
1390
- hash subdirectory based stores.
1391
- TextStores for revisions and signatures.
1395
super(RepositoryFormat6, self).__init__()
1396
self._matchingbzrdir = bzrdir.BzrDirFormat6()
1398
def get_format_description(self):
1399
"""See RepositoryFormat.get_format_description()."""
1400
return "Weave repository format 6"
1402
def _get_revision_store(self, repo_transport, control_files):
1403
"""See RepositoryFormat._get_revision_store()."""
1404
return self._get_text_rev_store(repo_transport,
1410
def _get_text_store(self, transport, control_files):
1411
"""See RepositoryFormat._get_text_store()."""
1412
return self._get_versioned_file_store('weaves', transport, control_files)
1415
class MetaDirRepositoryFormat(RepositoryFormat):
1416
"""Common base class for the new repositories using the metadir layout."""
1418
rich_root_data = False
1421
super(MetaDirRepositoryFormat, self).__init__()
1422
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1424
def _create_control_files(self, a_bzrdir):
1425
"""Create the required files and the initial control_files object."""
1426
# FIXME: RBC 20060125 don't peek under the covers
1427
# NB: no need to escape relative paths that are url safe.
1428
repository_transport = a_bzrdir.get_repository_transport(self)
1429
control_files = lockable_files.LockableFiles(repository_transport,
1430
'lock', lockdir.LockDir)
1431
control_files.create_lock()
1432
return control_files
1434
def _upload_blank_content(self, a_bzrdir, dirs, files, utf8_files, shared):
1435
"""Upload the initial blank content."""
1436
control_files = self._create_control_files(a_bzrdir)
1437
control_files.lock_write()
1439
control_files._transport.mkdir_multi(dirs,
1440
mode=control_files._dir_mode)
1441
for file, content in files:
1442
control_files.put(file, content)
1443
for file, content in utf8_files:
1444
control_files.put_utf8(file, content)
1446
control_files.put_utf8('shared-storage', '')
1448
control_files.unlock()
1451
class RepositoryFormat7(MetaDirRepositoryFormat):
1452
"""Bzr repository 7.
1454
This repository format has:
1455
- weaves for file texts and inventory
1456
- hash subdirectory based stores.
1457
- TextStores for revisions and signatures.
1458
- a format marker of its own
1459
- an optional 'shared-storage' flag
1460
- an optional 'no-working-trees' flag
1463
def _get_control_store(self, repo_transport, control_files):
1464
"""Return the control store for this repository."""
1465
return self._get_versioned_file_store('',
1470
def get_format_string(self):
1471
"""See RepositoryFormat.get_format_string()."""
1472
return "Bazaar-NG Repository format 7"
1474
def get_format_description(self):
1475
"""See RepositoryFormat.get_format_description()."""
1476
return "Weave repository format 7"
1478
def check_conversion_target(self, target_format):
1481
def _get_revision_store(self, repo_transport, control_files):
1482
"""See RepositoryFormat._get_revision_store()."""
1483
return self._get_text_rev_store(repo_transport,
1490
def _get_text_store(self, transport, control_files):
1491
"""See RepositoryFormat._get_text_store()."""
1492
return self._get_versioned_file_store('weaves',
1496
def initialize(self, a_bzrdir, shared=False):
1497
"""Create a weave repository.
1499
:param shared: If true the repository will be initialized as a shared
1502
# Create an empty weave
1504
weavefile.write_weave_v5(weave.Weave(), sio)
1505
empty_weave = sio.getvalue()
1507
mutter('creating repository in %s.', a_bzrdir.transport.base)
1508
dirs = ['revision-store', 'weaves']
1509
files = [('inventory.weave', StringIO(empty_weave)),
1511
utf8_files = [('format', self.get_format_string())]
1513
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1514
return self.open(a_bzrdir=a_bzrdir, _found=True)
1516
def open(self, a_bzrdir, _found=False, _override_transport=None):
1517
"""See RepositoryFormat.open().
1519
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1520
repository at a slightly different url
1521
than normal. I.e. during 'upgrade'.
1524
format = RepositoryFormat.find_format(a_bzrdir)
1525
assert format.__class__ == self.__class__
1526
if _override_transport is not None:
1527
repo_transport = _override_transport
1529
repo_transport = a_bzrdir.get_repository_transport(None)
1530
control_files = lockable_files.LockableFiles(repo_transport,
1531
'lock', lockdir.LockDir)
1532
text_store = self._get_text_store(repo_transport, control_files)
1533
control_store = self._get_control_store(repo_transport, control_files)
1534
_revision_store = self._get_revision_store(repo_transport, control_files)
1535
return MetaDirRepository(_format=self,
1537
control_files=control_files,
1538
_revision_store=_revision_store,
1539
control_store=control_store,
1540
text_store=text_store)
1543
class RepositoryFormatKnit(MetaDirRepositoryFormat):
1544
"""Bzr repository knit format (generalized).
1546
This repository format has:
1547
- knits for file texts and inventory
1548
- hash subdirectory based stores.
1549
- knits for revisions and signatures
1550
- TextStores for revisions and signatures.
1551
- a format marker of its own
1552
- an optional 'shared-storage' flag
1553
- an optional 'no-working-trees' flag
1557
def _get_control_store(self, repo_transport, control_files):
1558
"""Return the control store for this repository."""
1559
return VersionedFileStore(
1562
file_mode=control_files._file_mode,
1563
versionedfile_class=knit.KnitVersionedFile,
1564
versionedfile_kwargs={'factory':knit.KnitPlainFactory()},
1567
def _get_revision_store(self, repo_transport, control_files):
1568
"""See RepositoryFormat._get_revision_store()."""
1569
from bzrlib.store.revision.knit import KnitRevisionStore
1570
versioned_file_store = VersionedFileStore(
1572
file_mode=control_files._file_mode,
1575
versionedfile_class=knit.KnitVersionedFile,
1576
versionedfile_kwargs={'delta':False,
1577
'factory':knit.KnitPlainFactory(),
1581
return KnitRevisionStore(versioned_file_store)
1583
def _get_text_store(self, transport, control_files):
1584
"""See RepositoryFormat._get_text_store()."""
1585
return self._get_versioned_file_store('knits',
1588
versionedfile_class=knit.KnitVersionedFile,
1589
versionedfile_kwargs={
1590
'create_parent_dir':True,
1591
'delay_create':True,
1592
'dir_mode':control_files._dir_mode,
1596
def initialize(self, a_bzrdir, shared=False):
1597
"""Create a knit format 1 repository.
1599
:param a_bzrdir: bzrdir to contain the new repository; must already
1601
:param shared: If true the repository will be initialized as a shared
1604
mutter('creating repository in %s.', a_bzrdir.transport.base)
1605
dirs = ['revision-store', 'knits']
1607
utf8_files = [('format', self.get_format_string())]
1609
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1610
repo_transport = a_bzrdir.get_repository_transport(None)
1611
control_files = lockable_files.LockableFiles(repo_transport,
1612
'lock', lockdir.LockDir)
1613
control_store = self._get_control_store(repo_transport, control_files)
1614
transaction = transactions.WriteTransaction()
1615
# trigger a write of the inventory store.
1616
control_store.get_weave_or_empty('inventory', transaction)
1617
_revision_store = self._get_revision_store(repo_transport, control_files)
1618
_revision_store.has_revision_id('A', transaction)
1619
_revision_store.get_signature_file(transaction)
1620
return self.open(a_bzrdir=a_bzrdir, _found=True)
1622
def open(self, a_bzrdir, _found=False, _override_transport=None):
1623
"""See RepositoryFormat.open().
1625
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1626
repository at a slightly different url
1627
than normal. I.e. during 'upgrade'.
1630
format = RepositoryFormat.find_format(a_bzrdir)
1631
assert format.__class__ == self.__class__
1632
if _override_transport is not None:
1633
repo_transport = _override_transport
1635
repo_transport = a_bzrdir.get_repository_transport(None)
1636
control_files = lockable_files.LockableFiles(repo_transport,
1637
'lock', lockdir.LockDir)
1638
text_store = self._get_text_store(repo_transport, control_files)
1639
control_store = self._get_control_store(repo_transport, control_files)
1640
_revision_store = self._get_revision_store(repo_transport, control_files)
1641
return KnitRepository(_format=self,
1643
control_files=control_files,
1644
_revision_store=_revision_store,
1645
control_store=control_store,
1646
text_store=text_store)
1649
class RepositoryFormatKnit1(RepositoryFormatKnit):
1650
"""Bzr repository knit format 1.
1652
This repository format has:
1653
- knits for file texts and inventory
1654
- hash subdirectory based stores.
1655
- knits for revisions and signatures
1656
- TextStores for revisions and signatures.
1657
- a format marker of its own
1658
- an optional 'shared-storage' flag
1659
- an optional 'no-working-trees' flag
1662
This format was introduced in bzr 0.8.
1664
def get_format_string(self):
1665
"""See RepositoryFormat.get_format_string()."""
1666
return "Bazaar-NG Knit Repository Format 1"
1668
def get_format_description(self):
1669
"""See RepositoryFormat.get_format_description()."""
1670
return "Knit repository format 1"
1672
def check_conversion_target(self, target_format):
1676
class RepositoryFormatKnit2(RepositoryFormatKnit):
1677
"""Bzr repository knit format 2.
1679
THIS FORMAT IS EXPERIMENTAL
1680
This repository format has:
1681
- knits for file texts and inventory
1682
- hash subdirectory based stores.
1683
- knits for revisions and signatures
1684
- TextStores for revisions and signatures.
1685
- a format marker of its own
1686
- an optional 'shared-storage' flag
1687
- an optional 'no-working-trees' flag
1689
- Support for recording full info about the tree root
1693
rich_root_data = True
1695
def get_format_string(self):
1696
"""See RepositoryFormat.get_format_string()."""
1697
return "Bazaar Knit Repository Format 2\n"
1699
def get_format_description(self):
1700
"""See RepositoryFormat.get_format_description()."""
1701
return "Knit repository format 2"
1703
def check_conversion_target(self, target_format):
1704
if not target_format.rich_root_data:
1705
raise errors.BadConversionTarget(
1706
'Does not support rich root data.', target_format)
1708
def open(self, a_bzrdir, _found=False, _override_transport=None):
1709
"""See RepositoryFormat.open().
1711
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1712
repository at a slightly different url
1713
than normal. I.e. during 'upgrade'.
1716
format = RepositoryFormat.find_format(a_bzrdir)
1717
assert format.__class__ == self.__class__
1718
if _override_transport is not None:
1719
repo_transport = _override_transport
1721
repo_transport = a_bzrdir.get_repository_transport(None)
1722
control_files = lockable_files.LockableFiles(repo_transport, 'lock',
1724
text_store = self._get_text_store(repo_transport, control_files)
1725
control_store = self._get_control_store(repo_transport, control_files)
1726
_revision_store = self._get_revision_store(repo_transport, control_files)
1727
return KnitRepository2(_format=self,
1729
control_files=control_files,
1730
_revision_store=_revision_store,
1731
control_store=control_store,
1732
text_store=text_store)
1736
# formats which have no format string are not discoverable
1737
# and not independently creatable, so are not registered.
1738
RepositoryFormat.register_format(RepositoryFormat7())
1739
_default_format = RepositoryFormatKnit1()
1740
RepositoryFormat.register_format(_default_format)
1741
RepositoryFormat.register_format(RepositoryFormatKnit2())
1742
RepositoryFormat.set_default_format(_default_format)
1743
_legacy_formats = [RepositoryFormat4(),
1744
RepositoryFormat5(),
1745
RepositoryFormat6()]
1748
class InterRepository(InterObject):
1749
"""This class represents operations taking place between two repositories.
1751
Its instances have methods like copy_content and fetch, and contain
1752
references to the source and target repositories these operations can be
1755
Often we will provide convenience methods on 'repository' which carry out
1756
operations with another repository - they will always forward to
1757
InterRepository.get(other).method_name(parameters).
1761
"""The available optimised InterRepository types."""
1763
def copy_content(self, revision_id=None, basis=None):
1764
raise NotImplementedError(self.copy_content)
1766
def fetch(self, revision_id=None, pb=None):
1767
"""Fetch the content required to construct revision_id.
1769
The content is copied from self.source to self.target.
1771
:param revision_id: if None all content is copied, if NULL_REVISION no
1773
:param pb: optional progress bar to use for progress reports. If not
1774
provided a default one will be created.
1776
Returns the copied revision count and the failed revisions in a tuple:
1779
raise NotImplementedError(self.fetch)
1782
def missing_revision_ids(self, revision_id=None):
1783
"""Return the revision ids that source has that target does not.
1785
These are returned in topological order.
1787
:param revision_id: only return revision ids included by this
1790
# generic, possibly worst case, slow code path.
1791
target_ids = set(self.target.all_revision_ids())
1792
if revision_id is not None:
1793
source_ids = self.source.get_ancestry(revision_id)
1794
assert source_ids[0] is None
1797
source_ids = self.source.all_revision_ids()
1798
result_set = set(source_ids).difference(target_ids)
1799
# this may look like a no-op: its not. It preserves the ordering
1800
# other_ids had while only returning the members from other_ids
1801
# that we've decided we need.
1802
return [rev_id for rev_id in source_ids if rev_id in result_set]
1805
class InterSameDataRepository(InterRepository):
1806
"""Code for converting between repositories that represent the same data.
1808
Data format and model must match for this to work.
1811
_matching_repo_format = RepositoryFormat4()
1812
"""Repository format for testing with."""
1815
def is_compatible(source, target):
1816
if source._format.rich_root_data == target._format.rich_root_data:
1822
def copy_content(self, revision_id=None, basis=None):
1823
"""Make a complete copy of the content in self into destination.
1825
This is a destructive operation! Do not use it on existing
1828
:param revision_id: Only copy the content needed to construct
1829
revision_id and its parents.
1830
:param basis: Copy the needed data preferentially from basis.
1833
self.target.set_make_working_trees(self.source.make_working_trees())
1834
except NotImplementedError:
1836
# grab the basis available data
1837
if basis is not None:
1838
self.target.fetch(basis, revision_id=revision_id)
1839
# but don't bother fetching if we have the needed data now.
1840
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
1841
self.target.has_revision(revision_id)):
1843
self.target.fetch(self.source, revision_id=revision_id)
1846
def fetch(self, revision_id=None, pb=None):
1847
"""See InterRepository.fetch()."""
1848
from bzrlib.fetch import GenericRepoFetcher
1849
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1850
self.source, self.source._format, self.target,
1851
self.target._format)
1852
f = GenericRepoFetcher(to_repository=self.target,
1853
from_repository=self.source,
1854
last_revision=revision_id,
1856
return f.count_copied, f.failed_revisions
1859
class InterWeaveRepo(InterSameDataRepository):
1860
"""Optimised code paths between Weave based repositories."""
1862
_matching_repo_format = RepositoryFormat7()
1863
"""Repository format for testing with."""
1866
def is_compatible(source, target):
1867
"""Be compatible with known Weave formats.
1869
We don't test for the stores being of specific types because that
1870
could lead to confusing results, and there is no need to be
1874
return (isinstance(source._format, (RepositoryFormat5,
1876
RepositoryFormat7)) and
1877
isinstance(target._format, (RepositoryFormat5,
1879
RepositoryFormat7)))
1880
except AttributeError:
1884
def copy_content(self, revision_id=None, basis=None):
1885
"""See InterRepository.copy_content()."""
1886
# weave specific optimised path:
1887
if basis is not None:
1888
# copy the basis in, then fetch remaining data.
1889
basis.copy_content_into(self.target, revision_id)
1890
# the basis copy_content_into could miss-set this.
1892
self.target.set_make_working_trees(self.source.make_working_trees())
1893
except NotImplementedError:
1895
self.target.fetch(self.source, revision_id=revision_id)
1898
self.target.set_make_working_trees(self.source.make_working_trees())
1899
except NotImplementedError:
1901
# FIXME do not peek!
1902
if self.source.control_files._transport.listable():
1903
pb = ui.ui_factory.nested_progress_bar()
1905
self.target.weave_store.copy_all_ids(
1906
self.source.weave_store,
1908
from_transaction=self.source.get_transaction(),
1909
to_transaction=self.target.get_transaction())
1910
pb.update('copying inventory', 0, 1)
1911
self.target.control_weaves.copy_multi(
1912
self.source.control_weaves, ['inventory'],
1913
from_transaction=self.source.get_transaction(),
1914
to_transaction=self.target.get_transaction())
1915
self.target._revision_store.text_store.copy_all_ids(
1916
self.source._revision_store.text_store,
1921
self.target.fetch(self.source, revision_id=revision_id)
1924
def fetch(self, revision_id=None, pb=None):
1925
"""See InterRepository.fetch()."""
1926
from bzrlib.fetch import GenericRepoFetcher
1927
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1928
self.source, self.source._format, self.target, self.target._format)
1929
f = GenericRepoFetcher(to_repository=self.target,
1930
from_repository=self.source,
1931
last_revision=revision_id,
1933
return f.count_copied, f.failed_revisions
1936
def missing_revision_ids(self, revision_id=None):
1937
"""See InterRepository.missing_revision_ids()."""
1938
# we want all revisions to satisfy revision_id in source.
1939
# but we don't want to stat every file here and there.
1940
# we want then, all revisions other needs to satisfy revision_id
1941
# checked, but not those that we have locally.
1942
# so the first thing is to get a subset of the revisions to
1943
# satisfy revision_id in source, and then eliminate those that
1944
# we do already have.
1945
# this is slow on high latency connection to self, but as as this
1946
# disk format scales terribly for push anyway due to rewriting
1947
# inventory.weave, this is considered acceptable.
1949
if revision_id is not None:
1950
source_ids = self.source.get_ancestry(revision_id)
1951
assert source_ids[0] is None
1954
source_ids = self.source._all_possible_ids()
1955
source_ids_set = set(source_ids)
1956
# source_ids is the worst possible case we may need to pull.
1957
# now we want to filter source_ids against what we actually
1958
# have in target, but don't try to check for existence where we know
1959
# we do not have a revision as that would be pointless.
1960
target_ids = set(self.target._all_possible_ids())
1961
possibly_present_revisions = target_ids.intersection(source_ids_set)
1962
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1963
required_revisions = source_ids_set.difference(actually_present_revisions)
1964
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1965
if revision_id is not None:
1966
# we used get_ancestry to determine source_ids then we are assured all
1967
# revisions referenced are present as they are installed in topological order.
1968
# and the tip revision was validated by get_ancestry.
1969
return required_topo_revisions
1971
# if we just grabbed the possibly available ids, then
1972
# we only have an estimate of whats available and need to validate
1973
# that against the revision records.
1974
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1977
class InterKnitRepo(InterSameDataRepository):
1978
"""Optimised code paths between Knit based repositories."""
1980
_matching_repo_format = RepositoryFormatKnit1()
1981
"""Repository format for testing with."""
1984
def is_compatible(source, target):
1985
"""Be compatible with known Knit formats.
1987
We don't test for the stores being of specific types because that
1988
could lead to confusing results, and there is no need to be
1992
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1993
isinstance(target._format, (RepositoryFormatKnit1)))
1994
except AttributeError:
1998
def fetch(self, revision_id=None, pb=None):
1999
"""See InterRepository.fetch()."""
2000
from bzrlib.fetch import KnitRepoFetcher
2001
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2002
self.source, self.source._format, self.target, self.target._format)
2003
f = KnitRepoFetcher(to_repository=self.target,
2004
from_repository=self.source,
2005
last_revision=revision_id,
2007
return f.count_copied, f.failed_revisions
2010
def missing_revision_ids(self, revision_id=None):
2011
"""See InterRepository.missing_revision_ids()."""
2012
if revision_id is not None:
2013
source_ids = self.source.get_ancestry(revision_id)
2014
assert source_ids[0] is None
2017
source_ids = self.source._all_possible_ids()
2018
source_ids_set = set(source_ids)
2019
# source_ids is the worst possible case we may need to pull.
2020
# now we want to filter source_ids against what we actually
2021
# have in target, but don't try to check for existence where we know
2022
# we do not have a revision as that would be pointless.
2023
target_ids = set(self.target._all_possible_ids())
2024
possibly_present_revisions = target_ids.intersection(source_ids_set)
2025
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
2026
required_revisions = source_ids_set.difference(actually_present_revisions)
2027
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
2028
if revision_id is not None:
2029
# we used get_ancestry to determine source_ids then we are assured all
2030
# revisions referenced are present as they are installed in topological order.
2031
# and the tip revision was validated by get_ancestry.
2032
return required_topo_revisions
2034
# if we just grabbed the possibly available ids, then
2035
# we only have an estimate of whats available and need to validate
2036
# that against the revision records.
2037
return self.source._eliminate_revisions_not_present(required_topo_revisions)
2040
class InterModel1and2(InterRepository):
2042
_matching_repo_format = None
2045
def is_compatible(source, target):
2046
if not isinstance(source, Repository):
2048
if not isinstance(target, Repository):
2050
if not source._format.rich_root_data and target._format.rich_root_data:
2056
def fetch(self, revision_id=None, pb=None):
2057
"""See InterRepository.fetch()."""
2058
from bzrlib.fetch import Model1toKnit2Fetcher
2059
f = Model1toKnit2Fetcher(to_repository=self.target,
2060
from_repository=self.source,
2061
last_revision=revision_id,
2063
return f.count_copied, f.failed_revisions
2066
def copy_content(self, revision_id=None, basis=None):
2067
"""Make a complete copy of the content in self into destination.
2069
This is a destructive operation! Do not use it on existing
2072
:param revision_id: Only copy the content needed to construct
2073
revision_id and its parents.
2074
:param basis: Copy the needed data preferentially from basis.
2077
self.target.set_make_working_trees(self.source.make_working_trees())
2078
except NotImplementedError:
2080
# grab the basis available data
2081
if basis is not None:
2082
self.target.fetch(basis, revision_id=revision_id)
2083
# but don't bother fetching if we have the needed data now.
2084
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
2085
self.target.has_revision(revision_id)):
2087
self.target.fetch(self.source, revision_id=revision_id)
2090
class InterKnit1and2(InterKnitRepo):
2092
_matching_repo_format = None
2095
def is_compatible(source, target):
2096
"""Be compatible with Knit1 source and Knit2 target"""
2098
return (isinstance(source._format, (RepositoryFormatKnit1)) and
2099
isinstance(target._format, (RepositoryFormatKnit2)))
2100
except AttributeError:
2104
def fetch(self, revision_id=None, pb=None):
2105
"""See InterRepository.fetch()."""
2106
from bzrlib.fetch import Knit1to2Fetcher
2107
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2108
self.source, self.source._format, self.target,
2109
self.target._format)
2110
f = Knit1to2Fetcher(to_repository=self.target,
2111
from_repository=self.source,
2112
last_revision=revision_id,
2114
return f.count_copied, f.failed_revisions
2117
InterRepository.register_optimiser(InterSameDataRepository)
2118
InterRepository.register_optimiser(InterWeaveRepo)
2119
InterRepository.register_optimiser(InterKnitRepo)
2120
InterRepository.register_optimiser(InterModel1and2)
2121
InterRepository.register_optimiser(InterKnit1and2)
2124
class RepositoryTestProviderAdapter(object):
2125
"""A tool to generate a suite testing multiple repository formats at once.
2127
This is done by copying the test once for each transport and injecting
2128
the transport_server, transport_readonly_server, and bzrdir_format and
2129
repository_format classes into each copy. Each copy is also given a new id()
2130
to make it easy to identify.
2133
def __init__(self, transport_server, transport_readonly_server, formats):
2134
self._transport_server = transport_server
2135
self._transport_readonly_server = transport_readonly_server
2136
self._formats = formats
2138
def adapt(self, test):
2139
result = unittest.TestSuite()
2140
for repository_format, bzrdir_format in self._formats:
2141
new_test = deepcopy(test)
2142
new_test.transport_server = self._transport_server
2143
new_test.transport_readonly_server = self._transport_readonly_server
2144
new_test.bzrdir_format = bzrdir_format
2145
new_test.repository_format = repository_format
2146
def make_new_test_id():
2147
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
2148
return lambda: new_id
2149
new_test.id = make_new_test_id()
2150
result.addTest(new_test)
2154
class InterRepositoryTestProviderAdapter(object):
2155
"""A tool to generate a suite testing multiple inter repository formats.
2157
This is done by copying the test once for each interrepo provider and injecting
2158
the transport_server, transport_readonly_server, repository_format and
2159
repository_to_format classes into each copy.
2160
Each copy is also given a new id() to make it easy to identify.
2163
def __init__(self, transport_server, transport_readonly_server, formats):
2164
self._transport_server = transport_server
2165
self._transport_readonly_server = transport_readonly_server
2166
self._formats = formats
2168
def adapt(self, test):
2169
result = unittest.TestSuite()
2170
for interrepo_class, repository_format, repository_format_to in self._formats:
2171
new_test = deepcopy(test)
2172
new_test.transport_server = self._transport_server
2173
new_test.transport_readonly_server = self._transport_readonly_server
2174
new_test.interrepo_class = interrepo_class
2175
new_test.repository_format = repository_format
2176
new_test.repository_format_to = repository_format_to
2177
def make_new_test_id():
2178
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
2179
return lambda: new_id
2180
new_test.id = make_new_test_id()
2181
result.addTest(new_test)
2185
def default_test_list():
2186
"""Generate the default list of interrepo permutations to test."""
2188
# test the default InterRepository between format 6 and the current
2190
# XXX: robertc 20060220 reinstate this when there are two supported
2191
# formats which do not have an optimal code path between them.
2192
#result.append((InterRepository,
2193
# RepositoryFormat6(),
2194
# RepositoryFormatKnit1()))
2195
for optimiser in InterRepository._optimisers:
2196
if optimiser._matching_repo_format is not None:
2197
result.append((optimiser,
2198
optimiser._matching_repo_format,
2199
optimiser._matching_repo_format
2201
# if there are specific combinations we want to use, we can add them
2203
result.append((InterModel1and2, RepositoryFormat5(),
2204
RepositoryFormatKnit2()))
2205
result.append((InterKnit1and2, RepositoryFormatKnit1(),
2206
RepositoryFormatKnit2()))
2210
class CopyConverter(object):
2211
"""A repository conversion tool which just performs a copy of the content.
2213
This is slow but quite reliable.
2216
def __init__(self, target_format):
2217
"""Create a CopyConverter.
2219
:param target_format: The format the resulting repository should be.
2221
self.target_format = target_format
2223
def convert(self, repo, pb):
2224
"""Perform the conversion of to_convert, giving feedback via pb.
2226
:param to_convert: The disk object to convert.
2227
:param pb: a progress bar to use for progress information.
2232
# this is only useful with metadir layouts - separated repo content.
2233
# trigger an assertion if not such
2234
repo._format.get_format_string()
2235
self.repo_dir = repo.bzrdir
2236
self.step('Moving repository to repository.backup')
2237
self.repo_dir.transport.move('repository', 'repository.backup')
2238
backup_transport = self.repo_dir.transport.clone('repository.backup')
2239
repo._format.check_conversion_target(self.target_format)
2240
self.source_repo = repo._format.open(self.repo_dir,
2242
_override_transport=backup_transport)
2243
self.step('Creating new repository')
2244
converted = self.target_format.initialize(self.repo_dir,
2245
self.source_repo.is_shared())
2246
converted.lock_write()
2248
self.step('Copying content into repository.')
2249
self.source_repo.copy_content_into(converted)
2252
self.step('Deleting old repository content.')
2253
self.repo_dir.transport.delete_tree('repository.backup')
2254
self.pb.note('repository converted')
2256
def step(self, message):
2257
"""Update the pb by a step."""
2259
self.pb.update(message, self.count, self.total)
2262
class CommitBuilder(object):
2263
"""Provides an interface to build up a commit.
2265
This allows describing a tree to be committed without needing to
2266
know the internals of the format of the repository.
2269
record_root_entry = False
2270
def __init__(self, repository, parents, config, timestamp=None,
2271
timezone=None, committer=None, revprops=None,
2273
"""Initiate a CommitBuilder.
2275
:param repository: Repository to commit to.
2276
:param parents: Revision ids of the parents of the new revision.
2277
:param config: Configuration to use.
2278
:param timestamp: Optional timestamp recorded for commit.
2279
:param timezone: Optional timezone for timestamp.
2280
:param committer: Optional committer to set for commit.
2281
:param revprops: Optional dictionary of revision properties.
2282
:param revision_id: Optional revision id.
2284
self._config = config
2286
if committer is None:
2287
self._committer = self._config.username()
2289
assert isinstance(committer, basestring), type(committer)
2290
self._committer = committer
2292
self.new_inventory = Inventory(None)
2293
self._new_revision_id = revision_id
2294
self.parents = parents
2295
self.repository = repository
2298
if revprops is not None:
2299
self._revprops.update(revprops)
2301
if timestamp is None:
2302
timestamp = time.time()
2303
# Restrict resolution to 1ms
2304
self._timestamp = round(timestamp, 3)
2306
if timezone is None:
2307
self._timezone = local_time_offset()
2309
self._timezone = int(timezone)
2311
self._generate_revision_if_needed()
2313
def commit(self, message):
2314
"""Make the actual commit.
2316
:return: The revision id of the recorded revision.
2318
rev = _mod_revision.Revision(
2319
timestamp=self._timestamp,
2320
timezone=self._timezone,
2321
committer=self._committer,
2323
inventory_sha1=self.inv_sha1,
2324
revision_id=self._new_revision_id,
2325
properties=self._revprops)
2326
rev.parent_ids = self.parents
2327
self.repository.add_revision(self._new_revision_id, rev,
2328
self.new_inventory, self._config)
2329
return self._new_revision_id
2331
def revision_tree(self):
2332
"""Return the tree that was just committed.
2334
After calling commit() this can be called to get a RevisionTree
2335
representing the newly committed tree. This is preferred to
2336
calling Repository.revision_tree() because that may require
2337
deserializing the inventory, while we already have a copy in
2340
return RevisionTree(self.repository, self.new_inventory,
2341
self._new_revision_id)
2343
def finish_inventory(self):
2344
"""Tell the builder that the inventory is finished."""
2345
if self.new_inventory.root is None:
2346
symbol_versioning.warn('Root entry should be supplied to'
2347
' record_entry_contents, as of bzr 0.10.',
2348
DeprecationWarning, stacklevel=2)
2349
self.new_inventory.add(InventoryDirectory(ROOT_ID, '', None))
2350
self.new_inventory.revision_id = self._new_revision_id
2351
self.inv_sha1 = self.repository.add_inventory(
2352
self._new_revision_id,
2357
def _gen_revision_id(self):
2358
"""Return new revision-id."""
2359
return generate_ids.gen_revision_id(self._config.username(),
2362
def _generate_revision_if_needed(self):
2363
"""Create a revision id if None was supplied.
2365
If the repository can not support user-specified revision ids
2366
they should override this function and raise UnsupportedOperation
2367
if _new_revision_id is not None.
2369
:raises: UnsupportedOperation
2371
if self._new_revision_id is None:
2372
self._new_revision_id = self._gen_revision_id()
2374
def record_entry_contents(self, ie, parent_invs, path, tree):
2375
"""Record the content of ie from tree into the commit if needed.
2377
Side effect: sets ie.revision when unchanged
2379
:param ie: An inventory entry present in the commit.
2380
:param parent_invs: The inventories of the parent revisions of the
2382
:param path: The path the entry is at in the tree.
2383
:param tree: The tree which contains this entry and should be used to
2386
if self.new_inventory.root is None and ie.parent_id is not None:
2387
symbol_versioning.warn('Root entry should be supplied to'
2388
' record_entry_contents, as of bzr 0.10.',
2389
DeprecationWarning, stacklevel=2)
2390
self.record_entry_contents(tree.inventory.root.copy(), parent_invs,
2392
self.new_inventory.add(ie)
2394
# ie.revision is always None if the InventoryEntry is considered
2395
# for committing. ie.snapshot will record the correct revision
2396
# which may be the sole parent if it is untouched.
2397
if ie.revision is not None:
2400
# In this revision format, root entries have no knit or weave
2401
if ie is self.new_inventory.root:
2402
# When serializing out to disk and back in
2403
# root.revision is always _new_revision_id
2404
ie.revision = self._new_revision_id
2406
previous_entries = ie.find_previous_heads(
2408
self.repository.weave_store,
2409
self.repository.get_transaction())
2410
# we are creating a new revision for ie in the history store
2412
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
2414
def modified_directory(self, file_id, file_parents):
2415
"""Record the presence of a symbolic link.
2417
:param file_id: The file_id of the link to record.
2418
:param file_parents: The per-file parent revision ids.
2420
self._add_text_to_weave(file_id, [], file_parents.keys())
2422
def modified_file_text(self, file_id, file_parents,
2423
get_content_byte_lines, text_sha1=None,
2425
"""Record the text of file file_id
2427
:param file_id: The file_id of the file to record the text of.
2428
:param file_parents: The per-file parent revision ids.
2429
:param get_content_byte_lines: A callable which will return the byte
2431
:param text_sha1: Optional SHA1 of the file contents.
2432
:param text_size: Optional size of the file contents.
2434
# mutter('storing text of file {%s} in revision {%s} into %r',
2435
# file_id, self._new_revision_id, self.repository.weave_store)
2436
# special case to avoid diffing on renames or
2438
if (len(file_parents) == 1
2439
and text_sha1 == file_parents.values()[0].text_sha1
2440
and text_size == file_parents.values()[0].text_size):
2441
previous_ie = file_parents.values()[0]
2442
versionedfile = self.repository.weave_store.get_weave(file_id,
2443
self.repository.get_transaction())
2444
versionedfile.clone_text(self._new_revision_id,
2445
previous_ie.revision, file_parents.keys())
2446
return text_sha1, text_size
2448
new_lines = get_content_byte_lines()
2449
# TODO: Rather than invoking sha_strings here, _add_text_to_weave
2450
# should return the SHA1 and size
2451
self._add_text_to_weave(file_id, new_lines, file_parents.keys())
2452
return osutils.sha_strings(new_lines), \
2453
sum(map(len, new_lines))
2455
def modified_link(self, file_id, file_parents, link_target):
2456
"""Record the presence of a symbolic link.
2458
:param file_id: The file_id of the link to record.
2459
:param file_parents: The per-file parent revision ids.
2460
:param link_target: Target location of this link.
2462
self._add_text_to_weave(file_id, [], file_parents.keys())
2464
def _add_text_to_weave(self, file_id, new_lines, parents):
2465
versionedfile = self.repository.weave_store.get_weave_or_empty(
2466
file_id, self.repository.get_transaction())
2467
versionedfile.add_lines(self._new_revision_id, parents, new_lines)
2468
versionedfile.clear_cache()
2471
class _CommitBuilder(CommitBuilder):
2472
"""Temporary class so old CommitBuilders are detected properly
2474
Note: CommitBuilder works whether or not root entry is recorded.
2477
record_root_entry = True
2480
class RootCommitBuilder(CommitBuilder):
2481
"""This commitbuilder actually records the root id"""
2483
record_root_entry = True
2485
def record_entry_contents(self, ie, parent_invs, path, tree):
2486
"""Record the content of ie from tree into the commit if needed.
2488
Side effect: sets ie.revision when unchanged
2490
:param ie: An inventory entry present in the commit.
2491
:param parent_invs: The inventories of the parent revisions of the
2493
:param path: The path the entry is at in the tree.
2494
:param tree: The tree which contains this entry and should be used to
2497
assert self.new_inventory.root is not None or ie.parent_id is None
2498
self.new_inventory.add(ie)
2500
# ie.revision is always None if the InventoryEntry is considered
2501
# for committing. ie.snapshot will record the correct revision
2502
# which may be the sole parent if it is untouched.
2503
if ie.revision is not None:
2506
previous_entries = ie.find_previous_heads(
2508
self.repository.weave_store,
2509
self.repository.get_transaction())
2510
# we are creating a new revision for ie in the history store
2512
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
2524
def _unescaper(match, _map=_unescape_map):
2525
return _map[match.group(1)]
2531
def _unescape_xml(data):
2532
"""Unescape predefined XML entities in a string of data."""
2534
if _unescape_re is None:
2535
_unescape_re = re.compile('\&([^;]*);')
2536
return _unescape_re.sub(_unescaper, data)