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# Copyright (C) 2005, 2006, 2007 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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revision as _mod_revision,
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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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_file_ids_altered_regex = lazy_regex.lazy_compile(
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r'file_id="(?P<file_id>[^"]+)"'
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r'.*revision="(?P<revision_id>[^"]+)"'
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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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_mod_revision.check_not_reserved_id(revid)
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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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_mod_revision.check_not_reserved_id(rev_id)
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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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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 gather_stats(self, revid=None, committers=None):
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"""Gather statistics from a revision id.
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:param revid: The revision id to gather statistics from, if None, then
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no revision specific statistics are gathered.
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:param committers: Optional parameter controlling whether to grab
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a count of committers from the revision specific statistics.
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:return: A dictionary of statistics. Currently this contains:
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committers: The number of committers if requested.
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firstrev: A tuple with timestamp, timezone for the penultimate left
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most ancestor of revid, if revid is not the NULL_REVISION.
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latestrev: A tuple with timestamp, timezone for revid, if revid is
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not the NULL_REVISION.
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revisions: The total revision count in the repository.
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size: An estimate disk size of the repository in bytes.
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if revid and committers:
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result['committers'] = 0
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if revid and revid != _mod_revision.NULL_REVISION:
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all_committers = set()
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revisions = self.get_ancestry(revid)
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# pop the leading None
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first_revision = None
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# ignore the revisions in the middle - just grab first and last
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revisions = revisions[0], revisions[-1]
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for revision in self.get_revisions(revisions):
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if not first_revision:
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first_revision = revision
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all_committers.add(revision.committer)
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last_revision = revision
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result['committers'] = len(all_committers)
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result['firstrev'] = (first_revision.timestamp,
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first_revision.timezone)
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result['latestrev'] = (last_revision.timestamp,
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last_revision.timezone)
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# now gather global repository information
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if self.bzrdir.root_transport.listable():
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c, t = self._revision_store.total_size(self.get_transaction())
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result['revisions'] = c
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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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:return: The newly created destination repository.
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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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dest_repo = a_bzrdir.create_repository()
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# Most control formats need the repository to be specifically
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# created, but on some old all-in-one formats it's not needed
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dest_repo = self._format.initialize(a_bzrdir, shared=self.is_shared())
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except errors.UninitializableFormat:
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dest_repo = a_bzrdir.open_repository()
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self.copy_content_into(dest_repo, 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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unescape_revid_cache = {}
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unescape_fileid_cache = {}
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# jam 20061218 In a big fetch, this handles hundreds of thousands
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# of lines, so it has had a lot of inlining and optimizing done.
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# Sorry that it is a little bit messy.
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# Move several functions to be local variables, since this is a long
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search = self._file_ids_altered_regex.search
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unescape = _unescape_xml
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setdefault = result.setdefault
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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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# One call to match.group() returning multiple items is quite a
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# bit faster than 2 calls to match.group() each returning 1
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file_id, revision_id = match.group('file_id', 'revision_id')
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# Inlining the cache lookups helps a lot when you make 170,000
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# lines and 350k ids, versus 8.4 unique ids.
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# Using a cache helps in 2 ways:
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# 1) Avoids unnecessary decoding calls
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# 2) Re-uses cached strings, which helps in future set and
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# (2) is enough that removing encoding entirely along with
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# the cache (so we are using plain strings) results in no
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# performance improvement.
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revision_id = unescape_revid_cache[revision_id]
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unescaped = unescape(revision_id)
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unescape_revid_cache[revision_id] = unescaped
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revision_id = unescaped
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if revision_id in selected_revision_ids:
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file_id = unescape_fileid_cache[file_id]
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unescaped = unescape(file_id)
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unescape_fileid_cache[file_id] = unescaped
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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_history_vf(self):
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"""Get a versionedfile whose history graph reflects all revisions.
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For weave repositories, this is the inventory weave.
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return self.get_inventory_weave()
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def iter_reverse_revision_history(self, revision_id):
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"""Iterate backwards through revision ids in the lefthand history
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:param revision_id: The revision id to start with. All its lefthand
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ancestors will be traversed.
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if revision_id in (None, _mod_revision.NULL_REVISION):
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next_id = revision_id
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versionedfile = self._get_history_vf()
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parents = versionedfile.get_parents(next_id)
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if len(parents) == 0:
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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):
725
inv = self.deserialise_inventory(revision_id, text)
726
yield RevisionTree(self, inv, revision_id)
729
def get_ancestry(self, revision_id):
730
"""Return a list of revision-ids integrated by a revision.
732
The first element of the list is always None, indicating the origin
733
revision. This might change when we have history horizons, or
734
perhaps we should have a new API.
736
This is topologically sorted.
738
if revision_id is None:
740
if not self.has_revision(revision_id):
741
raise errors.NoSuchRevision(self, revision_id)
742
w = self.get_inventory_weave()
743
candidates = w.get_ancestry(revision_id)
744
return [None] + candidates # self._eliminate_revisions_not_present(candidates)
747
def print_file(self, file, revision_id):
748
"""Print `file` to stdout.
750
FIXME RBC 20060125 as John Meinel points out this is a bad api
751
- it writes to stdout, it assumes that that is valid etc. Fix
752
by creating a new more flexible convenience function.
754
tree = self.revision_tree(revision_id)
755
# use inventory as it was in that revision
756
file_id = tree.inventory.path2id(file)
758
# TODO: jam 20060427 Write a test for this code path
759
# it had a bug in it, and was raising the wrong
761
raise errors.BzrError("%r is not present in revision %s" % (file, revision_id))
762
tree.print_file(file_id)
764
def get_transaction(self):
765
return self.control_files.get_transaction()
767
def revision_parents(self, revid):
768
return self.get_inventory_weave().parent_names(revid)
771
def set_make_working_trees(self, new_value):
772
"""Set the policy flag for making working trees when creating branches.
774
This only applies to branches that use this repository.
776
The default is 'True'.
777
:param new_value: True to restore the default, False to disable making
780
raise NotImplementedError(self.set_make_working_trees)
782
def make_working_trees(self):
783
"""Returns the policy for making working trees on new branches."""
784
raise NotImplementedError(self.make_working_trees)
787
def sign_revision(self, revision_id, gpg_strategy):
788
plaintext = Testament.from_revision(self, revision_id).as_short_text()
789
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
792
def has_signature_for_revision_id(self, revision_id):
793
"""Query for a revision signature for revision_id in the repository."""
794
return self._revision_store.has_signature(revision_id,
795
self.get_transaction())
798
def get_signature_text(self, revision_id):
799
"""Return the text for a signature."""
800
return self._revision_store.get_signature_text(revision_id,
801
self.get_transaction())
804
def check(self, revision_ids):
805
"""Check consistency of all history of given revision_ids.
807
Different repository implementations should override _check().
809
:param revision_ids: A non-empty list of revision_ids whose ancestry
810
will be checked. Typically the last revision_id of a branch.
813
raise ValueError("revision_ids must be non-empty in %s.check"
815
return self._check(revision_ids)
817
def _check(self, revision_ids):
818
result = check.Check(self)
822
def _warn_if_deprecated(self):
823
global _deprecation_warning_done
824
if _deprecation_warning_done:
826
_deprecation_warning_done = True
827
warning("Format %s for %s is deprecated - please use 'bzr upgrade' to get better performance"
828
% (self._format, self.bzrdir.transport.base))
830
def supports_rich_root(self):
831
return self._format.rich_root_data
833
def _check_ascii_revisionid(self, revision_id, method):
834
"""Private helper for ascii-only repositories."""
835
# weave repositories refuse to store revisionids that are non-ascii.
836
if revision_id is not None:
837
# weaves require ascii revision ids.
838
if isinstance(revision_id, unicode):
840
revision_id.encode('ascii')
841
except UnicodeEncodeError:
842
raise errors.NonAsciiRevisionId(method, self)
846
# remove these delegates a while after bzr 0.15
847
def __make_delegated(name, from_module):
848
def _deprecated_repository_forwarder():
849
symbol_versioning.warn('%s moved to %s in bzr 0.15'
850
% (name, from_module),
853
m = __import__(from_module, globals(), locals(), [name])
855
return getattr(m, name)
856
except AttributeError:
857
raise AttributeError('module %s has no name %s'
859
globals()[name] = _deprecated_repository_forwarder
862
'AllInOneRepository',
863
'WeaveMetaDirRepository',
864
'PreSplitOutRepositoryFormat',
870
__make_delegated(_name, 'bzrlib.repofmt.weaverepo')
875
'RepositoryFormatKnit',
876
'RepositoryFormatKnit1',
877
'RepositoryFormatKnit2',
879
__make_delegated(_name, 'bzrlib.repofmt.knitrepo')
882
def install_revision(repository, rev, revision_tree):
883
"""Install all revision data into a repository."""
886
for p_id in rev.parent_ids:
887
if repository.has_revision(p_id):
888
present_parents.append(p_id)
889
parent_trees[p_id] = repository.revision_tree(p_id)
891
parent_trees[p_id] = repository.revision_tree(None)
893
inv = revision_tree.inventory
894
entries = inv.iter_entries()
895
# backwards compatability hack: skip the root id.
896
if not repository.supports_rich_root():
897
path, root = entries.next()
898
if root.revision != rev.revision_id:
899
raise errors.IncompatibleRevision(repr(repository))
900
# Add the texts that are not already present
901
for path, ie in entries:
902
w = repository.weave_store.get_weave_or_empty(ie.file_id,
903
repository.get_transaction())
904
if ie.revision not in w:
906
# FIXME: TODO: The following loop *may* be overlapping/duplicate
907
# with InventoryEntry.find_previous_heads(). if it is, then there
908
# is a latent bug here where the parents may have ancestors of each
910
for revision, tree in parent_trees.iteritems():
911
if ie.file_id not in tree:
913
parent_id = tree.inventory[ie.file_id].revision
914
if parent_id in text_parents:
916
text_parents.append(parent_id)
918
vfile = repository.weave_store.get_weave_or_empty(ie.file_id,
919
repository.get_transaction())
920
lines = revision_tree.get_file(ie.file_id).readlines()
921
vfile.add_lines(rev.revision_id, text_parents, lines)
923
# install the inventory
924
repository.add_inventory(rev.revision_id, inv, present_parents)
925
except errors.RevisionAlreadyPresent:
927
repository.add_revision(rev.revision_id, rev, inv)
930
class MetaDirRepository(Repository):
931
"""Repositories in the new meta-dir layout."""
933
def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
934
super(MetaDirRepository, self).__init__(_format,
940
dir_mode = self.control_files._dir_mode
941
file_mode = self.control_files._file_mode
945
"""Return True if this repository is flagged as a shared repository."""
946
return self.control_files._transport.has('shared-storage')
949
def set_make_working_trees(self, new_value):
950
"""Set the policy flag for making working trees when creating branches.
952
This only applies to branches that use this repository.
954
The default is 'True'.
955
:param new_value: True to restore the default, False to disable making
960
self.control_files._transport.delete('no-working-trees')
961
except errors.NoSuchFile:
964
self.control_files.put_utf8('no-working-trees', '')
966
def make_working_trees(self):
967
"""Returns the policy for making working trees on new branches."""
968
return not self.control_files._transport.has('no-working-trees')
971
class RepositoryFormatRegistry(registry.Registry):
972
"""Registry of RepositoryFormats.
975
def get(self, format_string):
976
r = registry.Registry.get(self, format_string)
982
format_registry = RepositoryFormatRegistry()
983
"""Registry of formats, indexed by their identifying format string.
985
This can contain either format instances themselves, or classes/factories that
986
can be called to obtain one.
990
class RepositoryFormat(object):
991
"""A repository format.
993
Formats provide three things:
994
* An initialization routine to construct repository data on disk.
995
* a format string which is used when the BzrDir supports versioned
997
* an open routine which returns a Repository instance.
999
Formats are placed in an dict by their format string for reference
1000
during opening. These should be subclasses of RepositoryFormat
1003
Once a format is deprecated, just deprecate the initialize and open
1004
methods on the format class. Do not deprecate the object, as the
1005
object will be created every system load.
1007
Common instance attributes:
1008
_matchingbzrdir - the bzrdir format that the repository format was
1009
originally written to work with. This can be used if manually
1010
constructing a bzrdir and repository, or more commonly for test suite
1015
return "<%s>" % self.__class__.__name__
1017
def __eq__(self, other):
1018
# format objects are generally stateless
1019
return isinstance(other, self.__class__)
1022
def find_format(klass, a_bzrdir):
1023
"""Return the format for the repository object in a_bzrdir.
1025
This is used by bzr native formats that have a "format" file in
1026
the repository. Other methods may be used by different types of
1030
transport = a_bzrdir.get_repository_transport(None)
1031
format_string = transport.get("format").read()
1032
return format_registry.get(format_string)
1033
except errors.NoSuchFile:
1034
raise errors.NoRepositoryPresent(a_bzrdir)
1036
raise errors.UnknownFormatError(format=format_string)
1039
def register_format(klass, format):
1040
format_registry.register(format.get_format_string(), format)
1043
def unregister_format(klass, format):
1044
format_registry.remove(format.get_format_string())
1047
def get_default_format(klass):
1048
"""Return the current default format."""
1049
from bzrlib import bzrdir
1050
return bzrdir.format_registry.make_bzrdir('default').repository_format
1052
def _get_control_store(self, repo_transport, control_files):
1053
"""Return the control store for this repository."""
1054
raise NotImplementedError(self._get_control_store)
1056
def get_format_string(self):
1057
"""Return the ASCII format string that identifies this format.
1059
Note that in pre format ?? repositories the format string is
1060
not permitted nor written to disk.
1062
raise NotImplementedError(self.get_format_string)
1064
def get_format_description(self):
1065
"""Return the short description for this format."""
1066
raise NotImplementedError(self.get_format_description)
1068
def _get_revision_store(self, repo_transport, control_files):
1069
"""Return the revision store object for this a_bzrdir."""
1070
raise NotImplementedError(self._get_revision_store)
1072
def _get_text_rev_store(self,
1079
"""Common logic for getting a revision store for a repository.
1081
see self._get_revision_store for the subclass-overridable method to
1082
get the store for a repository.
1084
from bzrlib.store.revision.text import TextRevisionStore
1085
dir_mode = control_files._dir_mode
1086
file_mode = control_files._file_mode
1087
text_store =TextStore(transport.clone(name),
1089
compressed=compressed,
1091
file_mode=file_mode)
1092
_revision_store = TextRevisionStore(text_store, serializer)
1093
return _revision_store
1095
# TODO: this shouldn't be in the base class, it's specific to things that
1096
# use weaves or knits -- mbp 20070207
1097
def _get_versioned_file_store(self,
1102
versionedfile_class=None,
1103
versionedfile_kwargs={},
1105
if versionedfile_class is None:
1106
versionedfile_class = self._versionedfile_class
1107
weave_transport = control_files._transport.clone(name)
1108
dir_mode = control_files._dir_mode
1109
file_mode = control_files._file_mode
1110
return VersionedFileStore(weave_transport, prefixed=prefixed,
1112
file_mode=file_mode,
1113
versionedfile_class=versionedfile_class,
1114
versionedfile_kwargs=versionedfile_kwargs,
1117
def initialize(self, a_bzrdir, shared=False):
1118
"""Initialize a repository of this format in a_bzrdir.
1120
:param a_bzrdir: The bzrdir to put the new repository in it.
1121
:param shared: The repository should be initialized as a sharable one.
1123
This may raise UninitializableFormat if shared repository are not
1124
compatible the a_bzrdir.
1127
def is_supported(self):
1128
"""Is this format supported?
1130
Supported formats must be initializable and openable.
1131
Unsupported formats may not support initialization or committing or
1132
some other features depending on the reason for not being supported.
1136
def check_conversion_target(self, target_format):
1137
raise NotImplementedError(self.check_conversion_target)
1139
def open(self, a_bzrdir, _found=False):
1140
"""Return an instance of this format for the bzrdir a_bzrdir.
1142
_found is a private parameter, do not use it.
1144
raise NotImplementedError(self.open)
1147
class MetaDirRepositoryFormat(RepositoryFormat):
1148
"""Common base class for the new repositories using the metadir layout."""
1150
rich_root_data = False
1151
_matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1154
super(MetaDirRepositoryFormat, self).__init__()
1156
def _create_control_files(self, a_bzrdir):
1157
"""Create the required files and the initial control_files object."""
1158
# FIXME: RBC 20060125 don't peek under the covers
1159
# NB: no need to escape relative paths that are url safe.
1160
repository_transport = a_bzrdir.get_repository_transport(self)
1161
control_files = lockable_files.LockableFiles(repository_transport,
1162
'lock', lockdir.LockDir)
1163
control_files.create_lock()
1164
return control_files
1166
def _upload_blank_content(self, a_bzrdir, dirs, files, utf8_files, shared):
1167
"""Upload the initial blank content."""
1168
control_files = self._create_control_files(a_bzrdir)
1169
control_files.lock_write()
1171
control_files._transport.mkdir_multi(dirs,
1172
mode=control_files._dir_mode)
1173
for file, content in files:
1174
control_files.put(file, content)
1175
for file, content in utf8_files:
1176
control_files.put_utf8(file, content)
1178
control_files.put_utf8('shared-storage', '')
1180
control_files.unlock()
1183
# formats which have no format string are not discoverable
1184
# and not independently creatable, so are not registered. They're
1185
# all in bzrlib.repofmt.weaverepo now. When an instance of one of these is
1186
# needed, it's constructed directly by the BzrDir. Non-native formats where
1187
# the repository is not separately opened are similar.
1189
format_registry.register_lazy(
1190
'Bazaar-NG Repository format 7',
1191
'bzrlib.repofmt.weaverepo',
1194
# KEEP in sync with bzrdir.format_registry default, which controls the overall
1195
# default control directory format
1197
format_registry.register_lazy(
1198
'Bazaar-NG Knit Repository Format 1',
1199
'bzrlib.repofmt.knitrepo',
1200
'RepositoryFormatKnit1',
1202
format_registry.default_key = 'Bazaar-NG Knit Repository Format 1'
1204
format_registry.register_lazy(
1205
'Bazaar Knit Repository Format 2\n',
1206
'bzrlib.repofmt.knitrepo',
1207
'RepositoryFormatKnit2',
1211
class InterRepository(InterObject):
1212
"""This class represents operations taking place between two repositories.
1214
Its instances have methods like copy_content and fetch, and contain
1215
references to the source and target repositories these operations can be
1218
Often we will provide convenience methods on 'repository' which carry out
1219
operations with another repository - they will always forward to
1220
InterRepository.get(other).method_name(parameters).
1224
"""The available optimised InterRepository types."""
1226
def copy_content(self, revision_id=None, basis=None):
1227
raise NotImplementedError(self.copy_content)
1229
def fetch(self, revision_id=None, pb=None):
1230
"""Fetch the content required to construct revision_id.
1232
The content is copied from self.source to self.target.
1234
:param revision_id: if None all content is copied, if NULL_REVISION no
1236
:param pb: optional progress bar to use for progress reports. If not
1237
provided a default one will be created.
1239
Returns the copied revision count and the failed revisions in a tuple:
1242
raise NotImplementedError(self.fetch)
1245
def missing_revision_ids(self, revision_id=None):
1246
"""Return the revision ids that source has that target does not.
1248
These are returned in topological order.
1250
:param revision_id: only return revision ids included by this
1253
# generic, possibly worst case, slow code path.
1254
target_ids = set(self.target.all_revision_ids())
1255
if revision_id is not None:
1256
source_ids = self.source.get_ancestry(revision_id)
1257
assert source_ids[0] is None
1260
source_ids = self.source.all_revision_ids()
1261
result_set = set(source_ids).difference(target_ids)
1262
# this may look like a no-op: its not. It preserves the ordering
1263
# other_ids had while only returning the members from other_ids
1264
# that we've decided we need.
1265
return [rev_id for rev_id in source_ids if rev_id in result_set]
1268
class InterSameDataRepository(InterRepository):
1269
"""Code for converting between repositories that represent the same data.
1271
Data format and model must match for this to work.
1275
def _get_repo_format_to_test(self):
1276
"""Repository format for testing with."""
1277
return RepositoryFormat.get_default_format()
1280
def is_compatible(source, target):
1281
if not isinstance(source, Repository):
1283
if not isinstance(target, Repository):
1285
if source._format.rich_root_data == target._format.rich_root_data:
1291
def copy_content(self, revision_id=None, basis=None):
1292
"""Make a complete copy of the content in self into destination.
1294
This is a destructive operation! Do not use it on existing
1297
:param revision_id: Only copy the content needed to construct
1298
revision_id and its parents.
1299
:param basis: Copy the needed data preferentially from basis.
1302
self.target.set_make_working_trees(self.source.make_working_trees())
1303
except NotImplementedError:
1305
# grab the basis available data
1306
if basis is not None:
1307
self.target.fetch(basis, revision_id=revision_id)
1308
# but don't bother fetching if we have the needed data now.
1309
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
1310
self.target.has_revision(revision_id)):
1312
self.target.fetch(self.source, revision_id=revision_id)
1315
def fetch(self, revision_id=None, pb=None):
1316
"""See InterRepository.fetch()."""
1317
from bzrlib.fetch import GenericRepoFetcher
1318
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1319
self.source, self.source._format, self.target,
1320
self.target._format)
1321
f = GenericRepoFetcher(to_repository=self.target,
1322
from_repository=self.source,
1323
last_revision=revision_id,
1325
return f.count_copied, f.failed_revisions
1328
class InterWeaveRepo(InterSameDataRepository):
1329
"""Optimised code paths between Weave based repositories."""
1332
def _get_repo_format_to_test(self):
1333
from bzrlib.repofmt import weaverepo
1334
return weaverepo.RepositoryFormat7()
1337
def is_compatible(source, target):
1338
"""Be compatible with known Weave formats.
1340
We don't test for the stores being of specific types because that
1341
could lead to confusing results, and there is no need to be
1344
from bzrlib.repofmt.weaverepo import (
1350
return (isinstance(source._format, (RepositoryFormat5,
1352
RepositoryFormat7)) and
1353
isinstance(target._format, (RepositoryFormat5,
1355
RepositoryFormat7)))
1356
except AttributeError:
1360
def copy_content(self, revision_id=None, basis=None):
1361
"""See InterRepository.copy_content()."""
1362
# weave specific optimised path:
1363
if basis is not None:
1364
# copy the basis in, then fetch remaining data.
1365
basis.copy_content_into(self.target, revision_id)
1366
# the basis copy_content_into could miss-set this.
1368
self.target.set_make_working_trees(self.source.make_working_trees())
1369
except NotImplementedError:
1371
self.target.fetch(self.source, revision_id=revision_id)
1374
self.target.set_make_working_trees(self.source.make_working_trees())
1375
except NotImplementedError:
1377
# FIXME do not peek!
1378
if self.source.control_files._transport.listable():
1379
pb = ui.ui_factory.nested_progress_bar()
1381
self.target.weave_store.copy_all_ids(
1382
self.source.weave_store,
1384
from_transaction=self.source.get_transaction(),
1385
to_transaction=self.target.get_transaction())
1386
pb.update('copying inventory', 0, 1)
1387
self.target.control_weaves.copy_multi(
1388
self.source.control_weaves, ['inventory'],
1389
from_transaction=self.source.get_transaction(),
1390
to_transaction=self.target.get_transaction())
1391
self.target._revision_store.text_store.copy_all_ids(
1392
self.source._revision_store.text_store,
1397
self.target.fetch(self.source, revision_id=revision_id)
1400
def fetch(self, revision_id=None, pb=None):
1401
"""See InterRepository.fetch()."""
1402
from bzrlib.fetch import GenericRepoFetcher
1403
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1404
self.source, self.source._format, self.target, self.target._format)
1405
f = GenericRepoFetcher(to_repository=self.target,
1406
from_repository=self.source,
1407
last_revision=revision_id,
1409
return f.count_copied, f.failed_revisions
1412
def missing_revision_ids(self, revision_id=None):
1413
"""See InterRepository.missing_revision_ids()."""
1414
# we want all revisions to satisfy revision_id in source.
1415
# but we don't want to stat every file here and there.
1416
# we want then, all revisions other needs to satisfy revision_id
1417
# checked, but not those that we have locally.
1418
# so the first thing is to get a subset of the revisions to
1419
# satisfy revision_id in source, and then eliminate those that
1420
# we do already have.
1421
# this is slow on high latency connection to self, but as as this
1422
# disk format scales terribly for push anyway due to rewriting
1423
# inventory.weave, this is considered acceptable.
1425
if revision_id is not None:
1426
source_ids = self.source.get_ancestry(revision_id)
1427
assert source_ids[0] is None
1430
source_ids = self.source._all_possible_ids()
1431
source_ids_set = set(source_ids)
1432
# source_ids is the worst possible case we may need to pull.
1433
# now we want to filter source_ids against what we actually
1434
# have in target, but don't try to check for existence where we know
1435
# we do not have a revision as that would be pointless.
1436
target_ids = set(self.target._all_possible_ids())
1437
possibly_present_revisions = target_ids.intersection(source_ids_set)
1438
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1439
required_revisions = source_ids_set.difference(actually_present_revisions)
1440
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1441
if revision_id is not None:
1442
# we used get_ancestry to determine source_ids then we are assured all
1443
# revisions referenced are present as they are installed in topological order.
1444
# and the tip revision was validated by get_ancestry.
1445
return required_topo_revisions
1447
# if we just grabbed the possibly available ids, then
1448
# we only have an estimate of whats available and need to validate
1449
# that against the revision records.
1450
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1453
class InterKnitRepo(InterSameDataRepository):
1454
"""Optimised code paths between Knit based repositories."""
1457
def _get_repo_format_to_test(self):
1458
from bzrlib.repofmt import knitrepo
1459
return knitrepo.RepositoryFormatKnit1()
1462
def is_compatible(source, target):
1463
"""Be compatible with known Knit formats.
1465
We don't test for the stores being of specific types because that
1466
could lead to confusing results, and there is no need to be
1469
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
1471
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1472
isinstance(target._format, (RepositoryFormatKnit1)))
1473
except AttributeError:
1477
def fetch(self, revision_id=None, pb=None):
1478
"""See InterRepository.fetch()."""
1479
from bzrlib.fetch import KnitRepoFetcher
1480
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1481
self.source, self.source._format, self.target, self.target._format)
1482
f = KnitRepoFetcher(to_repository=self.target,
1483
from_repository=self.source,
1484
last_revision=revision_id,
1486
return f.count_copied, f.failed_revisions
1489
def missing_revision_ids(self, revision_id=None):
1490
"""See InterRepository.missing_revision_ids()."""
1491
if revision_id is not None:
1492
source_ids = self.source.get_ancestry(revision_id)
1493
assert source_ids[0] is None
1496
source_ids = self.source._all_possible_ids()
1497
source_ids_set = set(source_ids)
1498
# source_ids is the worst possible case we may need to pull.
1499
# now we want to filter source_ids against what we actually
1500
# have in target, but don't try to check for existence where we know
1501
# we do not have a revision as that would be pointless.
1502
target_ids = set(self.target._all_possible_ids())
1503
possibly_present_revisions = target_ids.intersection(source_ids_set)
1504
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1505
required_revisions = source_ids_set.difference(actually_present_revisions)
1506
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1507
if revision_id is not None:
1508
# we used get_ancestry to determine source_ids then we are assured all
1509
# revisions referenced are present as they are installed in topological order.
1510
# and the tip revision was validated by get_ancestry.
1511
return required_topo_revisions
1513
# if we just grabbed the possibly available ids, then
1514
# we only have an estimate of whats available and need to validate
1515
# that against the revision records.
1516
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1519
class InterModel1and2(InterRepository):
1522
def _get_repo_format_to_test(self):
1526
def is_compatible(source, target):
1527
if not isinstance(source, Repository):
1529
if not isinstance(target, Repository):
1531
if not source._format.rich_root_data and target._format.rich_root_data:
1537
def fetch(self, revision_id=None, pb=None):
1538
"""See InterRepository.fetch()."""
1539
from bzrlib.fetch import Model1toKnit2Fetcher
1540
f = Model1toKnit2Fetcher(to_repository=self.target,
1541
from_repository=self.source,
1542
last_revision=revision_id,
1544
return f.count_copied, f.failed_revisions
1547
def copy_content(self, revision_id=None, basis=None):
1548
"""Make a complete copy of the content in self into destination.
1550
This is a destructive operation! Do not use it on existing
1553
:param revision_id: Only copy the content needed to construct
1554
revision_id and its parents.
1555
:param basis: Copy the needed data preferentially from basis.
1558
self.target.set_make_working_trees(self.source.make_working_trees())
1559
except NotImplementedError:
1561
# grab the basis available data
1562
if basis is not None:
1563
self.target.fetch(basis, revision_id=revision_id)
1564
# but don't bother fetching if we have the needed data now.
1565
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
1566
self.target.has_revision(revision_id)):
1568
self.target.fetch(self.source, revision_id=revision_id)
1571
class InterKnit1and2(InterKnitRepo):
1574
def _get_repo_format_to_test(self):
1578
def is_compatible(source, target):
1579
"""Be compatible with Knit1 source and Knit2 target"""
1580
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit2
1582
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1, \
1583
RepositoryFormatKnit2
1584
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1585
isinstance(target._format, (RepositoryFormatKnit2)))
1586
except AttributeError:
1590
def fetch(self, revision_id=None, pb=None):
1591
"""See InterRepository.fetch()."""
1592
from bzrlib.fetch import Knit1to2Fetcher
1593
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1594
self.source, self.source._format, self.target,
1595
self.target._format)
1596
f = Knit1to2Fetcher(to_repository=self.target,
1597
from_repository=self.source,
1598
last_revision=revision_id,
1600
return f.count_copied, f.failed_revisions
1603
InterRepository.register_optimiser(InterSameDataRepository)
1604
InterRepository.register_optimiser(InterWeaveRepo)
1605
InterRepository.register_optimiser(InterKnitRepo)
1606
InterRepository.register_optimiser(InterModel1and2)
1607
InterRepository.register_optimiser(InterKnit1and2)
1610
class RepositoryTestProviderAdapter(object):
1611
"""A tool to generate a suite testing multiple repository formats at once.
1613
This is done by copying the test once for each transport and injecting
1614
the transport_server, transport_readonly_server, and bzrdir_format and
1615
repository_format classes into each copy. Each copy is also given a new id()
1616
to make it easy to identify.
1619
def __init__(self, transport_server, transport_readonly_server, formats):
1620
self._transport_server = transport_server
1621
self._transport_readonly_server = transport_readonly_server
1622
self._formats = formats
1624
def adapt(self, test):
1625
result = unittest.TestSuite()
1626
for repository_format, bzrdir_format in self._formats:
1627
from copy import deepcopy
1628
new_test = deepcopy(test)
1629
new_test.transport_server = self._transport_server
1630
new_test.transport_readonly_server = self._transport_readonly_server
1631
new_test.bzrdir_format = bzrdir_format
1632
new_test.repository_format = repository_format
1633
def make_new_test_id():
1634
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
1635
return lambda: new_id
1636
new_test.id = make_new_test_id()
1637
result.addTest(new_test)
1641
class InterRepositoryTestProviderAdapter(object):
1642
"""A tool to generate a suite testing multiple inter repository formats.
1644
This is done by copying the test once for each interrepo provider and injecting
1645
the transport_server, transport_readonly_server, repository_format and
1646
repository_to_format classes into each copy.
1647
Each copy is also given a new id() to make it easy to identify.
1650
def __init__(self, transport_server, transport_readonly_server, formats):
1651
self._transport_server = transport_server
1652
self._transport_readonly_server = transport_readonly_server
1653
self._formats = formats
1655
def adapt(self, test):
1656
result = unittest.TestSuite()
1657
for interrepo_class, repository_format, repository_format_to in self._formats:
1658
from copy import deepcopy
1659
new_test = deepcopy(test)
1660
new_test.transport_server = self._transport_server
1661
new_test.transport_readonly_server = self._transport_readonly_server
1662
new_test.interrepo_class = interrepo_class
1663
new_test.repository_format = repository_format
1664
new_test.repository_format_to = repository_format_to
1665
def make_new_test_id():
1666
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
1667
return lambda: new_id
1668
new_test.id = make_new_test_id()
1669
result.addTest(new_test)
1673
def default_test_list():
1674
"""Generate the default list of interrepo permutations to test."""
1675
from bzrlib.repofmt import knitrepo, weaverepo
1677
# test the default InterRepository between format 6 and the current
1679
# XXX: robertc 20060220 reinstate this when there are two supported
1680
# formats which do not have an optimal code path between them.
1681
#result.append((InterRepository,
1682
# RepositoryFormat6(),
1683
# RepositoryFormatKnit1()))
1684
for optimiser_class in InterRepository._optimisers:
1685
format_to_test = optimiser_class._get_repo_format_to_test()
1686
if format_to_test is not None:
1687
result.append((optimiser_class,
1688
format_to_test, format_to_test))
1689
# if there are specific combinations we want to use, we can add them
1691
result.append((InterModel1and2,
1692
weaverepo.RepositoryFormat5(),
1693
knitrepo.RepositoryFormatKnit2()))
1694
result.append((InterKnit1and2,
1695
knitrepo.RepositoryFormatKnit1(),
1696
knitrepo.RepositoryFormatKnit2()))
1700
class CopyConverter(object):
1701
"""A repository conversion tool which just performs a copy of the content.
1703
This is slow but quite reliable.
1706
def __init__(self, target_format):
1707
"""Create a CopyConverter.
1709
:param target_format: The format the resulting repository should be.
1711
self.target_format = target_format
1713
def convert(self, repo, pb):
1714
"""Perform the conversion of to_convert, giving feedback via pb.
1716
:param to_convert: The disk object to convert.
1717
:param pb: a progress bar to use for progress information.
1722
# this is only useful with metadir layouts - separated repo content.
1723
# trigger an assertion if not such
1724
repo._format.get_format_string()
1725
self.repo_dir = repo.bzrdir
1726
self.step('Moving repository to repository.backup')
1727
self.repo_dir.transport.move('repository', 'repository.backup')
1728
backup_transport = self.repo_dir.transport.clone('repository.backup')
1729
repo._format.check_conversion_target(self.target_format)
1730
self.source_repo = repo._format.open(self.repo_dir,
1732
_override_transport=backup_transport)
1733
self.step('Creating new repository')
1734
converted = self.target_format.initialize(self.repo_dir,
1735
self.source_repo.is_shared())
1736
converted.lock_write()
1738
self.step('Copying content into repository.')
1739
self.source_repo.copy_content_into(converted)
1742
self.step('Deleting old repository content.')
1743
self.repo_dir.transport.delete_tree('repository.backup')
1744
self.pb.note('repository converted')
1746
def step(self, message):
1747
"""Update the pb by a step."""
1749
self.pb.update(message, self.count, self.total)
1752
class CommitBuilder(object):
1753
"""Provides an interface to build up a commit.
1755
This allows describing a tree to be committed without needing to
1756
know the internals of the format of the repository.
1759
record_root_entry = False
1760
def __init__(self, repository, parents, config, timestamp=None,
1761
timezone=None, committer=None, revprops=None,
1763
"""Initiate a CommitBuilder.
1765
:param repository: Repository to commit to.
1766
:param parents: Revision ids of the parents of the new revision.
1767
:param config: Configuration to use.
1768
:param timestamp: Optional timestamp recorded for commit.
1769
:param timezone: Optional timezone for timestamp.
1770
:param committer: Optional committer to set for commit.
1771
:param revprops: Optional dictionary of revision properties.
1772
:param revision_id: Optional revision id.
1774
self._config = config
1776
if committer is None:
1777
self._committer = self._config.username()
1779
assert isinstance(committer, basestring), type(committer)
1780
self._committer = committer
1782
self.new_inventory = Inventory(None)
1783
self._new_revision_id = revision_id
1784
self.parents = parents
1785
self.repository = repository
1788
if revprops is not None:
1789
self._revprops.update(revprops)
1791
if timestamp is None:
1792
timestamp = time.time()
1793
# Restrict resolution to 1ms
1794
self._timestamp = round(timestamp, 3)
1796
if timezone is None:
1797
self._timezone = osutils.local_time_offset()
1799
self._timezone = int(timezone)
1801
self._generate_revision_if_needed()
1803
def commit(self, message):
1804
"""Make the actual commit.
1806
:return: The revision id of the recorded revision.
1808
rev = _mod_revision.Revision(
1809
timestamp=self._timestamp,
1810
timezone=self._timezone,
1811
committer=self._committer,
1813
inventory_sha1=self.inv_sha1,
1814
revision_id=self._new_revision_id,
1815
properties=self._revprops)
1816
rev.parent_ids = self.parents
1817
self.repository.add_revision(self._new_revision_id, rev,
1818
self.new_inventory, self._config)
1819
return self._new_revision_id
1821
def revision_tree(self):
1822
"""Return the tree that was just committed.
1824
After calling commit() this can be called to get a RevisionTree
1825
representing the newly committed tree. This is preferred to
1826
calling Repository.revision_tree() because that may require
1827
deserializing the inventory, while we already have a copy in
1830
return RevisionTree(self.repository, self.new_inventory,
1831
self._new_revision_id)
1833
def finish_inventory(self):
1834
"""Tell the builder that the inventory is finished."""
1835
if self.new_inventory.root is None:
1836
symbol_versioning.warn('Root entry should be supplied to'
1837
' record_entry_contents, as of bzr 0.10.',
1838
DeprecationWarning, stacklevel=2)
1839
self.new_inventory.add(InventoryDirectory(ROOT_ID, '', None))
1840
self.new_inventory.revision_id = self._new_revision_id
1841
self.inv_sha1 = self.repository.add_inventory(
1842
self._new_revision_id,
1847
def _gen_revision_id(self):
1848
"""Return new revision-id."""
1849
return generate_ids.gen_revision_id(self._config.username(),
1852
def _generate_revision_if_needed(self):
1853
"""Create a revision id if None was supplied.
1855
If the repository can not support user-specified revision ids
1856
they should override this function and raise CannotSetRevisionId
1857
if _new_revision_id is not None.
1859
:raises: CannotSetRevisionId
1861
if self._new_revision_id is None:
1862
self._new_revision_id = self._gen_revision_id()
1864
def record_entry_contents(self, ie, parent_invs, path, tree):
1865
"""Record the content of ie from tree into the commit if needed.
1867
Side effect: sets ie.revision when unchanged
1869
:param ie: An inventory entry present in the commit.
1870
:param parent_invs: The inventories of the parent revisions of the
1872
:param path: The path the entry is at in the tree.
1873
:param tree: The tree which contains this entry and should be used to
1876
if self.new_inventory.root is None and ie.parent_id is not None:
1877
symbol_versioning.warn('Root entry should be supplied to'
1878
' record_entry_contents, as of bzr 0.10.',
1879
DeprecationWarning, stacklevel=2)
1880
self.record_entry_contents(tree.inventory.root.copy(), parent_invs,
1882
self.new_inventory.add(ie)
1884
# ie.revision is always None if the InventoryEntry is considered
1885
# for committing. ie.snapshot will record the correct revision
1886
# which may be the sole parent if it is untouched.
1887
if ie.revision is not None:
1890
# In this revision format, root entries have no knit or weave
1891
if ie is self.new_inventory.root:
1892
# When serializing out to disk and back in
1893
# root.revision is always _new_revision_id
1894
ie.revision = self._new_revision_id
1896
previous_entries = ie.find_previous_heads(
1898
self.repository.weave_store,
1899
self.repository.get_transaction())
1900
# we are creating a new revision for ie in the history store
1902
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
1904
def modified_directory(self, file_id, file_parents):
1905
"""Record the presence of a symbolic link.
1907
:param file_id: The file_id of the link to record.
1908
:param file_parents: The per-file parent revision ids.
1910
self._add_text_to_weave(file_id, [], file_parents.keys())
1912
def modified_file_text(self, file_id, file_parents,
1913
get_content_byte_lines, text_sha1=None,
1915
"""Record the text of file file_id
1917
:param file_id: The file_id of the file to record the text of.
1918
:param file_parents: The per-file parent revision ids.
1919
:param get_content_byte_lines: A callable which will return the byte
1921
:param text_sha1: Optional SHA1 of the file contents.
1922
:param text_size: Optional size of the file contents.
1924
# mutter('storing text of file {%s} in revision {%s} into %r',
1925
# file_id, self._new_revision_id, self.repository.weave_store)
1926
# special case to avoid diffing on renames or
1928
if (len(file_parents) == 1
1929
and text_sha1 == file_parents.values()[0].text_sha1
1930
and text_size == file_parents.values()[0].text_size):
1931
previous_ie = file_parents.values()[0]
1932
versionedfile = self.repository.weave_store.get_weave(file_id,
1933
self.repository.get_transaction())
1934
versionedfile.clone_text(self._new_revision_id,
1935
previous_ie.revision, file_parents.keys())
1936
return text_sha1, text_size
1938
new_lines = get_content_byte_lines()
1939
# TODO: Rather than invoking sha_strings here, _add_text_to_weave
1940
# should return the SHA1 and size
1941
self._add_text_to_weave(file_id, new_lines, file_parents.keys())
1942
return osutils.sha_strings(new_lines), \
1943
sum(map(len, new_lines))
1945
def modified_link(self, file_id, file_parents, link_target):
1946
"""Record the presence of a symbolic link.
1948
:param file_id: The file_id of the link to record.
1949
:param file_parents: The per-file parent revision ids.
1950
:param link_target: Target location of this link.
1952
self._add_text_to_weave(file_id, [], file_parents.keys())
1954
def _add_text_to_weave(self, file_id, new_lines, parents):
1955
versionedfile = self.repository.weave_store.get_weave_or_empty(
1956
file_id, self.repository.get_transaction())
1957
versionedfile.add_lines(self._new_revision_id, parents, new_lines)
1958
versionedfile.clear_cache()
1961
class _CommitBuilder(CommitBuilder):
1962
"""Temporary class so old CommitBuilders are detected properly
1964
Note: CommitBuilder works whether or not root entry is recorded.
1967
record_root_entry = True
1970
class RootCommitBuilder(CommitBuilder):
1971
"""This commitbuilder actually records the root id"""
1973
record_root_entry = True
1975
def record_entry_contents(self, ie, parent_invs, path, tree):
1976
"""Record the content of ie from tree into the commit if needed.
1978
Side effect: sets ie.revision when unchanged
1980
:param ie: An inventory entry present in the commit.
1981
:param parent_invs: The inventories of the parent revisions of the
1983
:param path: The path the entry is at in the tree.
1984
:param tree: The tree which contains this entry and should be used to
1987
assert self.new_inventory.root is not None or ie.parent_id is None
1988
self.new_inventory.add(ie)
1990
# ie.revision is always None if the InventoryEntry is considered
1991
# for committing. ie.snapshot will record the correct revision
1992
# which may be the sole parent if it is untouched.
1993
if ie.revision is not None:
1996
previous_entries = ie.find_previous_heads(
1998
self.repository.weave_store,
1999
self.repository.get_transaction())
2000
# we are creating a new revision for ie in the history store
2002
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
2014
def _unescaper(match, _map=_unescape_map):
2015
return _map[match.group(1)]
2021
def _unescape_xml(data):
2022
"""Unescape predefined XML entities in a string of data."""
2024
if _unescape_re is None:
2025
_unescape_re = re.compile('\&([^;]*);')
2026
return _unescape_re.sub(_unescaper, data)
added
removed
bzrlib/repository.py
