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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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######################################################################
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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, revision_id, inv, parents):
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"""Add the inventory inv to the repository as revision_id.
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:param parents: The revision ids of the parents that revision_id
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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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revision_id = osutils.safe_revision_id(revision_id)
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_mod_revision.check_not_reserved_id(revision_id)
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assert inv.revision_id is None or inv.revision_id == revision_id, \
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"Mismatch between inventory revision" \
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" id and insertion revid (%r, %r)" % (inv.revision_id, revision_id)
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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, revision_id, parents,
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osutils.split_lines(inv_text))
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def _inventory_add_lines(self, inv_vf, revision_id, 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(revision_id, final_parents, lines)
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def add_revision(self, revision_id, rev, inv=None, config=None):
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"""Add rev to the revision store as revision_id.
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:param revision_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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revision_id = osutils.safe_revision_id(revision_id)
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# TODO: jam 20070210 Shouldn't we check rev.revision_id and
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_mod_revision.check_not_reserved_id(revision_id)
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if config is not None and config.signature_needed():
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inv = self.get_inventory(revision_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, revision_id)
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if not revision_id in self.get_inventory_weave():
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raise errors.WeaveRevisionNotPresent(revision_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(revision_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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# TODO: jam 20070210 Ensure that _all_possible_ids returns non-unicode
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# ids. (It should, since _revision_store's API should change to
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# return utf8 revision_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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revision_id = osutils.safe_revision_id(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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revision_id = osutils.safe_revision_id(revision_id)
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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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revision_id = osutils.safe_revision_id(revision_id)
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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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revision_id = osutils.safe_revision_id(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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revision_id = osutils.safe_revision_id(revision_id)
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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.get_revisions([revision_id])[0]
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def get_revisions(self, revision_ids):
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revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
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revs = self._revision_store.get_revisions(revision_ids,
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self.get_transaction())
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assert not isinstance(rev.revision_id, unicode)
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for parent_id in rev.parent_ids:
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assert not isinstance(parent_id, unicode)
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def get_revision_xml(self, revision_id):
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# TODO: jam 20070210 This shouldn't be necessary since get_revision
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# would have already do it.
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# TODO: jam 20070210 Just use _serializer.write_revision_to_string()
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revision_id = osutils.safe_revision_id(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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# TODO: jam 20070210 get_revision_reconcile should do this for us
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revision_id = osutils.safe_revision_id(revision_id)
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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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revision_id = osutils.safe_revision_id(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(osutils.safe_revision_id(r)
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for r in 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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# TODO: jam 20070210 Technically we don't need to sanitize, since all
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# called functions must sanitize.
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revision_id = osutils.safe_revision_id(revision_id)
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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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revision_id = osutils.safe_revision_id(revision_id)
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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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revision_id = osutils.safe_revision_id(revision_id)
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assert isinstance(revision_id, str), 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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# TODO: jam 20070210 Shouldn't this be deprecated / removed?
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revision_id = osutils.safe_revision_id(revision_id)
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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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revision_id = osutils.safe_revision_id(revision_id)
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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(osutils.safe_revision_id(r) for r in 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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revision_id = osutils.safe_revision_id(revision_id)
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if revision_id in (None, _mod_revision.NULL_REVISION):
701
next_id = revision_id
702
versionedfile = self._get_history_vf()
705
parents = versionedfile.get_parents(next_id)
706
if len(parents) == 0:
712
def get_revision_inventory(self, revision_id):
713
"""Return inventory of a past revision."""
714
# TODO: Unify this with get_inventory()
715
# bzr 0.0.6 and later imposes the constraint that the inventory_id
716
# must be the same as its revision, so this is trivial.
717
if revision_id is None:
718
# This does not make sense: if there is no revision,
719
# then it is the current tree inventory surely ?!
720
# and thus get_root_id() is something that looks at the last
721
# commit on the branch, and the get_root_id is an inventory check.
722
raise NotImplementedError
723
# return Inventory(self.get_root_id())
725
return self.get_inventory(revision_id)
729
"""Return True if this repository is flagged as a shared repository."""
730
raise NotImplementedError(self.is_shared)
733
def reconcile(self, other=None, thorough=False):
734
"""Reconcile this repository."""
735
from bzrlib.reconcile import RepoReconciler
736
reconciler = RepoReconciler(self, thorough=thorough)
737
reconciler.reconcile()
741
def revision_tree(self, revision_id):
742
"""Return Tree for a revision on this branch.
744
`revision_id` may be None for the empty tree revision.
746
# TODO: refactor this to use an existing revision object
747
# so we don't need to read it in twice.
748
if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
749
return RevisionTree(self, Inventory(root_id=None),
750
_mod_revision.NULL_REVISION)
752
revision_id = osutils.safe_revision_id(revision_id)
753
inv = self.get_revision_inventory(revision_id)
754
return RevisionTree(self, inv, revision_id)
757
def revision_trees(self, revision_ids):
758
"""Return Tree for a revision on this branch.
760
`revision_id` may not be None or 'null:'"""
761
assert None not in revision_ids
762
assert _mod_revision.NULL_REVISION not in revision_ids
763
texts = self.get_inventory_weave().get_texts(revision_ids)
764
for text, revision_id in zip(texts, revision_ids):
765
inv = self.deserialise_inventory(revision_id, text)
766
yield RevisionTree(self, inv, revision_id)
769
def get_ancestry(self, revision_id):
770
"""Return a list of revision-ids integrated by a revision.
772
The first element of the list is always None, indicating the origin
773
revision. This might change when we have history horizons, or
774
perhaps we should have a new API.
776
This is topologically sorted.
778
if revision_id is None:
780
revision_id = osutils.safe_revision_id(revision_id)
781
if not self.has_revision(revision_id):
782
raise errors.NoSuchRevision(self, revision_id)
783
w = self.get_inventory_weave()
784
candidates = w.get_ancestry(revision_id)
785
return [None] + candidates # self._eliminate_revisions_not_present(candidates)
788
def print_file(self, file, revision_id):
789
"""Print `file` to stdout.
791
FIXME RBC 20060125 as John Meinel points out this is a bad api
792
- it writes to stdout, it assumes that that is valid etc. Fix
793
by creating a new more flexible convenience function.
795
revision_id = osutils.safe_revision_id(revision_id)
796
tree = self.revision_tree(revision_id)
797
# use inventory as it was in that revision
798
file_id = tree.inventory.path2id(file)
800
# TODO: jam 20060427 Write a test for this code path
801
# it had a bug in it, and was raising the wrong
803
raise errors.BzrError("%r is not present in revision %s" % (file, revision_id))
804
tree.print_file(file_id)
806
def get_transaction(self):
807
return self.control_files.get_transaction()
809
def revision_parents(self, revision_id):
810
revision_id = osutils.safe_revision_id(revision_id)
811
return self.get_inventory_weave().parent_names(revision_id)
814
def set_make_working_trees(self, new_value):
815
"""Set the policy flag for making working trees when creating branches.
817
This only applies to branches that use this repository.
819
The default is 'True'.
820
:param new_value: True to restore the default, False to disable making
823
raise NotImplementedError(self.set_make_working_trees)
825
def make_working_trees(self):
826
"""Returns the policy for making working trees on new branches."""
827
raise NotImplementedError(self.make_working_trees)
830
def sign_revision(self, revision_id, gpg_strategy):
831
revision_id = osutils.safe_revision_id(revision_id)
832
plaintext = Testament.from_revision(self, revision_id).as_short_text()
833
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
836
def has_signature_for_revision_id(self, revision_id):
837
"""Query for a revision signature for revision_id in the repository."""
838
revision_id = osutils.safe_revision_id(revision_id)
839
return self._revision_store.has_signature(revision_id,
840
self.get_transaction())
843
def get_signature_text(self, revision_id):
844
"""Return the text for a signature."""
845
revision_id = osutils.safe_revision_id(revision_id)
846
return self._revision_store.get_signature_text(revision_id,
847
self.get_transaction())
850
def check(self, revision_ids):
851
"""Check consistency of all history of given revision_ids.
853
Different repository implementations should override _check().
855
:param revision_ids: A non-empty list of revision_ids whose ancestry
856
will be checked. Typically the last revision_id of a branch.
859
raise ValueError("revision_ids must be non-empty in %s.check"
861
revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
862
return self._check(revision_ids)
864
def _check(self, revision_ids):
865
result = check.Check(self)
869
def _warn_if_deprecated(self):
870
global _deprecation_warning_done
871
if _deprecation_warning_done:
873
_deprecation_warning_done = True
874
warning("Format %s for %s is deprecated - please use 'bzr upgrade' to get better performance"
875
% (self._format, self.bzrdir.transport.base))
877
def supports_rich_root(self):
878
return self._format.rich_root_data
880
def _check_ascii_revisionid(self, revision_id, method):
881
"""Private helper for ascii-only repositories."""
882
# weave repositories refuse to store revisionids that are non-ascii.
883
if revision_id is not None:
884
# weaves require ascii revision ids.
885
if isinstance(revision_id, unicode):
887
revision_id.encode('ascii')
888
except UnicodeEncodeError:
889
raise errors.NonAsciiRevisionId(method, self)
892
revision_id.decode('ascii')
893
except UnicodeDecodeError:
894
raise errors.NonAsciiRevisionId(method, self)
898
# remove these delegates a while after bzr 0.15
899
def __make_delegated(name, from_module):
900
def _deprecated_repository_forwarder():
901
symbol_versioning.warn('%s moved to %s in bzr 0.15'
902
% (name, from_module),
905
m = __import__(from_module, globals(), locals(), [name])
907
return getattr(m, name)
908
except AttributeError:
909
raise AttributeError('module %s has no name %s'
911
globals()[name] = _deprecated_repository_forwarder
914
'AllInOneRepository',
915
'WeaveMetaDirRepository',
916
'PreSplitOutRepositoryFormat',
922
__make_delegated(_name, 'bzrlib.repofmt.weaverepo')
926
'RepositoryFormatKnit',
927
'RepositoryFormatKnit1',
929
__make_delegated(_name, 'bzrlib.repofmt.knitrepo')
932
def install_revision(repository, rev, revision_tree):
933
"""Install all revision data into a repository."""
936
for p_id in rev.parent_ids:
937
if repository.has_revision(p_id):
938
present_parents.append(p_id)
939
parent_trees[p_id] = repository.revision_tree(p_id)
941
parent_trees[p_id] = repository.revision_tree(None)
943
inv = revision_tree.inventory
944
entries = inv.iter_entries()
945
# backwards compatability hack: skip the root id.
946
if not repository.supports_rich_root():
947
path, root = entries.next()
948
if root.revision != rev.revision_id:
949
raise errors.IncompatibleRevision(repr(repository))
950
# Add the texts that are not already present
951
for path, ie in entries:
952
w = repository.weave_store.get_weave_or_empty(ie.file_id,
953
repository.get_transaction())
954
if ie.revision not in w:
956
# FIXME: TODO: The following loop *may* be overlapping/duplicate
957
# with InventoryEntry.find_previous_heads(). if it is, then there
958
# is a latent bug here where the parents may have ancestors of each
960
for revision, tree in parent_trees.iteritems():
961
if ie.file_id not in tree:
963
parent_id = tree.inventory[ie.file_id].revision
964
if parent_id in text_parents:
966
text_parents.append(parent_id)
968
vfile = repository.weave_store.get_weave_or_empty(ie.file_id,
969
repository.get_transaction())
970
lines = revision_tree.get_file(ie.file_id).readlines()
971
vfile.add_lines(rev.revision_id, text_parents, lines)
973
# install the inventory
974
repository.add_inventory(rev.revision_id, inv, present_parents)
975
except errors.RevisionAlreadyPresent:
977
repository.add_revision(rev.revision_id, rev, inv)
980
class MetaDirRepository(Repository):
981
"""Repositories in the new meta-dir layout."""
983
def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
984
super(MetaDirRepository, self).__init__(_format,
990
dir_mode = self.control_files._dir_mode
991
file_mode = self.control_files._file_mode
995
"""Return True if this repository is flagged as a shared repository."""
996
return self.control_files._transport.has('shared-storage')
999
def set_make_working_trees(self, new_value):
1000
"""Set the policy flag for making working trees when creating branches.
1002
This only applies to branches that use this repository.
1004
The default is 'True'.
1005
:param new_value: True to restore the default, False to disable making
1010
self.control_files._transport.delete('no-working-trees')
1011
except errors.NoSuchFile:
1014
self.control_files.put_utf8('no-working-trees', '')
1016
def make_working_trees(self):
1017
"""Returns the policy for making working trees on new branches."""
1018
return not self.control_files._transport.has('no-working-trees')
1021
class RepositoryFormatRegistry(registry.Registry):
1022
"""Registry of RepositoryFormats.
1025
def get(self, format_string):
1026
r = registry.Registry.get(self, format_string)
1032
format_registry = RepositoryFormatRegistry()
1033
"""Registry of formats, indexed by their identifying format string.
1035
This can contain either format instances themselves, or classes/factories that
1036
can be called to obtain one.
1040
#####################################################################
1041
# Repository Formats
1043
class RepositoryFormat(object):
1044
"""A repository format.
1046
Formats provide three things:
1047
* An initialization routine to construct repository data on disk.
1048
* a format string which is used when the BzrDir supports versioned
1050
* an open routine which returns a Repository instance.
1052
Formats are placed in an dict by their format string for reference
1053
during opening. These should be subclasses of RepositoryFormat
1056
Once a format is deprecated, just deprecate the initialize and open
1057
methods on the format class. Do not deprecate the object, as the
1058
object will be created every system load.
1060
Common instance attributes:
1061
_matchingbzrdir - the bzrdir format that the repository format was
1062
originally written to work with. This can be used if manually
1063
constructing a bzrdir and repository, or more commonly for test suite
1068
return "<%s>" % self.__class__.__name__
1070
def __eq__(self, other):
1071
# format objects are generally stateless
1072
return isinstance(other, self.__class__)
1074
def __ne__(self, other):
1075
return not self == other
1078
def find_format(klass, a_bzrdir):
1079
"""Return the format for the repository object in a_bzrdir.
1081
This is used by bzr native formats that have a "format" file in
1082
the repository. Other methods may be used by different types of
1086
transport = a_bzrdir.get_repository_transport(None)
1087
format_string = transport.get("format").read()
1088
return format_registry.get(format_string)
1089
except errors.NoSuchFile:
1090
raise errors.NoRepositoryPresent(a_bzrdir)
1092
raise errors.UnknownFormatError(format=format_string)
1095
def register_format(klass, format):
1096
format_registry.register(format.get_format_string(), format)
1099
def unregister_format(klass, format):
1100
format_registry.remove(format.get_format_string())
1103
def get_default_format(klass):
1104
"""Return the current default format."""
1105
from bzrlib import bzrdir
1106
return bzrdir.format_registry.make_bzrdir('default').repository_format
1108
def _get_control_store(self, repo_transport, control_files):
1109
"""Return the control store for this repository."""
1110
raise NotImplementedError(self._get_control_store)
1112
def get_format_string(self):
1113
"""Return the ASCII format string that identifies this format.
1115
Note that in pre format ?? repositories the format string is
1116
not permitted nor written to disk.
1118
raise NotImplementedError(self.get_format_string)
1120
def get_format_description(self):
1121
"""Return the short description for this format."""
1122
raise NotImplementedError(self.get_format_description)
1124
def _get_revision_store(self, repo_transport, control_files):
1125
"""Return the revision store object for this a_bzrdir."""
1126
raise NotImplementedError(self._get_revision_store)
1128
def _get_text_rev_store(self,
1135
"""Common logic for getting a revision store for a repository.
1137
see self._get_revision_store for the subclass-overridable method to
1138
get the store for a repository.
1140
from bzrlib.store.revision.text import TextRevisionStore
1141
dir_mode = control_files._dir_mode
1142
file_mode = control_files._file_mode
1143
text_store = TextStore(transport.clone(name),
1145
compressed=compressed,
1147
file_mode=file_mode)
1148
_revision_store = TextRevisionStore(text_store, serializer)
1149
return _revision_store
1151
# TODO: this shouldn't be in the base class, it's specific to things that
1152
# use weaves or knits -- mbp 20070207
1153
def _get_versioned_file_store(self,
1158
versionedfile_class=None,
1159
versionedfile_kwargs={},
1161
if versionedfile_class is None:
1162
versionedfile_class = self._versionedfile_class
1163
weave_transport = control_files._transport.clone(name)
1164
dir_mode = control_files._dir_mode
1165
file_mode = control_files._file_mode
1166
return VersionedFileStore(weave_transport, prefixed=prefixed,
1168
file_mode=file_mode,
1169
versionedfile_class=versionedfile_class,
1170
versionedfile_kwargs=versionedfile_kwargs,
1173
def initialize(self, a_bzrdir, shared=False):
1174
"""Initialize a repository of this format in a_bzrdir.
1176
:param a_bzrdir: The bzrdir to put the new repository in it.
1177
:param shared: The repository should be initialized as a sharable one.
1179
This may raise UninitializableFormat if shared repository are not
1180
compatible the a_bzrdir.
1183
def is_supported(self):
1184
"""Is this format supported?
1186
Supported formats must be initializable and openable.
1187
Unsupported formats may not support initialization or committing or
1188
some other features depending on the reason for not being supported.
1192
def check_conversion_target(self, target_format):
1193
raise NotImplementedError(self.check_conversion_target)
1195
def open(self, a_bzrdir, _found=False):
1196
"""Return an instance of this format for the bzrdir a_bzrdir.
1198
_found is a private parameter, do not use it.
1200
raise NotImplementedError(self.open)
1203
class MetaDirRepositoryFormat(RepositoryFormat):
1204
"""Common base class for the new repositories using the metadir layout."""
1206
rich_root_data = False
1207
support_tree_reference = False
1208
_matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1211
super(MetaDirRepositoryFormat, self).__init__()
1213
def _create_control_files(self, a_bzrdir):
1214
"""Create the required files and the initial control_files object."""
1215
# FIXME: RBC 20060125 don't peek under the covers
1216
# NB: no need to escape relative paths that are url safe.
1217
repository_transport = a_bzrdir.get_repository_transport(self)
1218
control_files = lockable_files.LockableFiles(repository_transport,
1219
'lock', lockdir.LockDir)
1220
control_files.create_lock()
1221
return control_files
1223
def _upload_blank_content(self, a_bzrdir, dirs, files, utf8_files, shared):
1224
"""Upload the initial blank content."""
1225
control_files = self._create_control_files(a_bzrdir)
1226
control_files.lock_write()
1228
control_files._transport.mkdir_multi(dirs,
1229
mode=control_files._dir_mode)
1230
for file, content in files:
1231
control_files.put(file, content)
1232
for file, content in utf8_files:
1233
control_files.put_utf8(file, content)
1235
control_files.put_utf8('shared-storage', '')
1237
control_files.unlock()
1240
# formats which have no format string are not discoverable
1241
# and not independently creatable, so are not registered. They're
1242
# all in bzrlib.repofmt.weaverepo now. When an instance of one of these is
1243
# needed, it's constructed directly by the BzrDir. Non-native formats where
1244
# the repository is not separately opened are similar.
1246
format_registry.register_lazy(
1247
'Bazaar-NG Repository format 7',
1248
'bzrlib.repofmt.weaverepo',
1251
# KEEP in sync with bzrdir.format_registry default, which controls the overall
1252
# default control directory format
1254
format_registry.register_lazy(
1255
'Bazaar-NG Knit Repository Format 1',
1256
'bzrlib.repofmt.knitrepo',
1257
'RepositoryFormatKnit1',
1259
format_registry.default_key = 'Bazaar-NG Knit Repository Format 1'
1261
format_registry.register_lazy(
1262
'Bazaar Knit Repository Format 3 (bzr 0.15)\n',
1263
'bzrlib.repofmt.knitrepo',
1264
'RepositoryFormatKnit3',
1268
class InterRepository(InterObject):
1269
"""This class represents operations taking place between two repositories.
1271
Its instances have methods like copy_content and fetch, and contain
1272
references to the source and target repositories these operations can be
1275
Often we will provide convenience methods on 'repository' which carry out
1276
operations with another repository - they will always forward to
1277
InterRepository.get(other).method_name(parameters).
1281
"""The available optimised InterRepository types."""
1283
def copy_content(self, revision_id=None, basis=None):
1284
raise NotImplementedError(self.copy_content)
1286
def fetch(self, revision_id=None, pb=None):
1287
"""Fetch the content required to construct revision_id.
1289
The content is copied from self.source to self.target.
1291
:param revision_id: if None all content is copied, if NULL_REVISION no
1293
:param pb: optional progress bar to use for progress reports. If not
1294
provided a default one will be created.
1296
Returns the copied revision count and the failed revisions in a tuple:
1299
raise NotImplementedError(self.fetch)
1302
def missing_revision_ids(self, revision_id=None):
1303
"""Return the revision ids that source has that target does not.
1305
These are returned in topological order.
1307
:param revision_id: only return revision ids included by this
1310
# generic, possibly worst case, slow code path.
1311
target_ids = set(self.target.all_revision_ids())
1312
if revision_id is not None:
1313
# TODO: jam 20070210 InterRepository is internal enough that it
1314
# should assume revision_ids are already utf-8
1315
revision_id = osutils.safe_revision_id(revision_id)
1316
source_ids = self.source.get_ancestry(revision_id)
1317
assert source_ids[0] is None
1320
source_ids = self.source.all_revision_ids()
1321
result_set = set(source_ids).difference(target_ids)
1322
# this may look like a no-op: its not. It preserves the ordering
1323
# other_ids had while only returning the members from other_ids
1324
# that we've decided we need.
1325
return [rev_id for rev_id in source_ids if rev_id in result_set]
1328
class InterSameDataRepository(InterRepository):
1329
"""Code for converting between repositories that represent the same data.
1331
Data format and model must match for this to work.
1335
def _get_repo_format_to_test(self):
1336
"""Repository format for testing with."""
1337
return RepositoryFormat.get_default_format()
1340
def is_compatible(source, target):
1341
if not isinstance(source, Repository):
1343
if not isinstance(target, Repository):
1345
if source._format.rich_root_data != target._format.rich_root_data:
1347
if source._serializer != target._serializer:
1353
def copy_content(self, revision_id=None, basis=None):
1354
"""Make a complete copy of the content in self into destination.
1356
This is a destructive operation! Do not use it on existing
1359
:param revision_id: Only copy the content needed to construct
1360
revision_id and its parents.
1361
:param basis: Copy the needed data preferentially from basis.
1364
self.target.set_make_working_trees(self.source.make_working_trees())
1365
except NotImplementedError:
1367
# TODO: jam 20070210 This is fairly internal, so we should probably
1368
# just assert that revision_id is not unicode.
1369
revision_id = osutils.safe_revision_id(revision_id)
1370
# grab the basis available data
1371
if basis is not None:
1372
self.target.fetch(basis, revision_id=revision_id)
1373
# but don't bother fetching if we have the needed data now.
1374
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
1375
self.target.has_revision(revision_id)):
1377
self.target.fetch(self.source, revision_id=revision_id)
1380
def fetch(self, revision_id=None, pb=None):
1381
"""See InterRepository.fetch()."""
1382
from bzrlib.fetch import GenericRepoFetcher
1383
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1384
self.source, self.source._format, self.target,
1385
self.target._format)
1386
# TODO: jam 20070210 This should be an assert, not a translate
1387
revision_id = osutils.safe_revision_id(revision_id)
1388
f = GenericRepoFetcher(to_repository=self.target,
1389
from_repository=self.source,
1390
last_revision=revision_id,
1392
return f.count_copied, f.failed_revisions
1395
class InterWeaveRepo(InterSameDataRepository):
1396
"""Optimised code paths between Weave based repositories."""
1399
def _get_repo_format_to_test(self):
1400
from bzrlib.repofmt import weaverepo
1401
return weaverepo.RepositoryFormat7()
1404
def is_compatible(source, target):
1405
"""Be compatible with known Weave formats.
1407
We don't test for the stores being of specific types because that
1408
could lead to confusing results, and there is no need to be
1411
from bzrlib.repofmt.weaverepo import (
1417
return (isinstance(source._format, (RepositoryFormat5,
1419
RepositoryFormat7)) and
1420
isinstance(target._format, (RepositoryFormat5,
1422
RepositoryFormat7)))
1423
except AttributeError:
1427
def copy_content(self, revision_id=None, basis=None):
1428
"""See InterRepository.copy_content()."""
1429
# weave specific optimised path:
1430
# TODO: jam 20070210 Internal, should be an assert, not translate
1431
revision_id = osutils.safe_revision_id(revision_id)
1432
if basis is not None:
1433
# copy the basis in, then fetch remaining data.
1434
basis.copy_content_into(self.target, revision_id)
1435
# the basis copy_content_into could miss-set this.
1437
self.target.set_make_working_trees(self.source.make_working_trees())
1438
except NotImplementedError:
1440
self.target.fetch(self.source, revision_id=revision_id)
1443
self.target.set_make_working_trees(self.source.make_working_trees())
1444
except NotImplementedError:
1446
# FIXME do not peek!
1447
if self.source.control_files._transport.listable():
1448
pb = ui.ui_factory.nested_progress_bar()
1450
self.target.weave_store.copy_all_ids(
1451
self.source.weave_store,
1453
from_transaction=self.source.get_transaction(),
1454
to_transaction=self.target.get_transaction())
1455
pb.update('copying inventory', 0, 1)
1456
self.target.control_weaves.copy_multi(
1457
self.source.control_weaves, ['inventory'],
1458
from_transaction=self.source.get_transaction(),
1459
to_transaction=self.target.get_transaction())
1460
self.target._revision_store.text_store.copy_all_ids(
1461
self.source._revision_store.text_store,
1466
self.target.fetch(self.source, revision_id=revision_id)
1469
def fetch(self, revision_id=None, pb=None):
1470
"""See InterRepository.fetch()."""
1471
from bzrlib.fetch import GenericRepoFetcher
1472
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1473
self.source, self.source._format, self.target, self.target._format)
1474
# TODO: jam 20070210 This should be an assert, not a translate
1475
revision_id = osutils.safe_revision_id(revision_id)
1476
f = GenericRepoFetcher(to_repository=self.target,
1477
from_repository=self.source,
1478
last_revision=revision_id,
1480
return f.count_copied, f.failed_revisions
1483
def missing_revision_ids(self, revision_id=None):
1484
"""See InterRepository.missing_revision_ids()."""
1485
# we want all revisions to satisfy revision_id in source.
1486
# but we don't want to stat every file here and there.
1487
# we want then, all revisions other needs to satisfy revision_id
1488
# checked, but not those that we have locally.
1489
# so the first thing is to get a subset of the revisions to
1490
# satisfy revision_id in source, and then eliminate those that
1491
# we do already have.
1492
# this is slow on high latency connection to self, but as as this
1493
# disk format scales terribly for push anyway due to rewriting
1494
# inventory.weave, this is considered acceptable.
1496
if revision_id is not None:
1497
source_ids = self.source.get_ancestry(revision_id)
1498
assert source_ids[0] is None
1501
source_ids = self.source._all_possible_ids()
1502
source_ids_set = set(source_ids)
1503
# source_ids is the worst possible case we may need to pull.
1504
# now we want to filter source_ids against what we actually
1505
# have in target, but don't try to check for existence where we know
1506
# we do not have a revision as that would be pointless.
1507
target_ids = set(self.target._all_possible_ids())
1508
possibly_present_revisions = target_ids.intersection(source_ids_set)
1509
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1510
required_revisions = source_ids_set.difference(actually_present_revisions)
1511
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1512
if revision_id is not None:
1513
# we used get_ancestry to determine source_ids then we are assured all
1514
# revisions referenced are present as they are installed in topological order.
1515
# and the tip revision was validated by get_ancestry.
1516
return required_topo_revisions
1518
# if we just grabbed the possibly available ids, then
1519
# we only have an estimate of whats available and need to validate
1520
# that against the revision records.
1521
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1524
class InterKnitRepo(InterSameDataRepository):
1525
"""Optimised code paths between Knit based repositories."""
1528
def _get_repo_format_to_test(self):
1529
from bzrlib.repofmt import knitrepo
1530
return knitrepo.RepositoryFormatKnit1()
1533
def is_compatible(source, target):
1534
"""Be compatible with known Knit formats.
1536
We don't test for the stores being of specific types because that
1537
could lead to confusing results, and there is no need to be
1540
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1
1542
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1543
isinstance(target._format, (RepositoryFormatKnit1)))
1544
except AttributeError:
1548
def fetch(self, revision_id=None, pb=None):
1549
"""See InterRepository.fetch()."""
1550
from bzrlib.fetch import KnitRepoFetcher
1551
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1552
self.source, self.source._format, self.target, self.target._format)
1553
# TODO: jam 20070210 This should be an assert, not a translate
1554
revision_id = osutils.safe_revision_id(revision_id)
1555
f = KnitRepoFetcher(to_repository=self.target,
1556
from_repository=self.source,
1557
last_revision=revision_id,
1559
return f.count_copied, f.failed_revisions
1562
def missing_revision_ids(self, revision_id=None):
1563
"""See InterRepository.missing_revision_ids()."""
1564
if revision_id is not None:
1565
source_ids = self.source.get_ancestry(revision_id)
1566
assert source_ids[0] is None
1569
source_ids = self.source._all_possible_ids()
1570
source_ids_set = set(source_ids)
1571
# source_ids is the worst possible case we may need to pull.
1572
# now we want to filter source_ids against what we actually
1573
# have in target, but don't try to check for existence where we know
1574
# we do not have a revision as that would be pointless.
1575
target_ids = set(self.target._all_possible_ids())
1576
possibly_present_revisions = target_ids.intersection(source_ids_set)
1577
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
1578
required_revisions = source_ids_set.difference(actually_present_revisions)
1579
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
1580
if revision_id is not None:
1581
# we used get_ancestry to determine source_ids then we are assured all
1582
# revisions referenced are present as they are installed in topological order.
1583
# and the tip revision was validated by get_ancestry.
1584
return required_topo_revisions
1586
# if we just grabbed the possibly available ids, then
1587
# we only have an estimate of whats available and need to validate
1588
# that against the revision records.
1589
return self.source._eliminate_revisions_not_present(required_topo_revisions)
1592
class InterModel1and2(InterRepository):
1595
def _get_repo_format_to_test(self):
1599
def is_compatible(source, target):
1600
if not isinstance(source, Repository):
1602
if not isinstance(target, Repository):
1604
if not source._format.rich_root_data and target._format.rich_root_data:
1610
def fetch(self, revision_id=None, pb=None):
1611
"""See InterRepository.fetch()."""
1612
from bzrlib.fetch import Model1toKnit2Fetcher
1613
# TODO: jam 20070210 This should be an assert, not a translate
1614
revision_id = osutils.safe_revision_id(revision_id)
1615
f = Model1toKnit2Fetcher(to_repository=self.target,
1616
from_repository=self.source,
1617
last_revision=revision_id,
1619
return f.count_copied, f.failed_revisions
1622
def copy_content(self, revision_id=None, basis=None):
1623
"""Make a complete copy of the content in self into destination.
1625
This is a destructive operation! Do not use it on existing
1628
:param revision_id: Only copy the content needed to construct
1629
revision_id and its parents.
1630
:param basis: Copy the needed data preferentially from basis.
1633
self.target.set_make_working_trees(self.source.make_working_trees())
1634
except NotImplementedError:
1636
# TODO: jam 20070210 Internal, assert, don't translate
1637
revision_id = osutils.safe_revision_id(revision_id)
1638
# grab the basis available data
1639
if basis is not None:
1640
self.target.fetch(basis, revision_id=revision_id)
1641
# but don't bother fetching if we have the needed data now.
1642
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
1643
self.target.has_revision(revision_id)):
1645
self.target.fetch(self.source, revision_id=revision_id)
1648
class InterKnit1and2(InterKnitRepo):
1651
def _get_repo_format_to_test(self):
1655
def is_compatible(source, target):
1656
"""Be compatible with Knit1 source and Knit3 target"""
1657
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit3
1659
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1, \
1660
RepositoryFormatKnit3
1661
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1662
isinstance(target._format, (RepositoryFormatKnit3)))
1663
except AttributeError:
1667
def fetch(self, revision_id=None, pb=None):
1668
"""See InterRepository.fetch()."""
1669
from bzrlib.fetch import Knit1to2Fetcher
1670
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1671
self.source, self.source._format, self.target,
1672
self.target._format)
1673
# TODO: jam 20070210 This should be an assert, not a translate
1674
revision_id = osutils.safe_revision_id(revision_id)
1675
f = Knit1to2Fetcher(to_repository=self.target,
1676
from_repository=self.source,
1677
last_revision=revision_id,
1679
return f.count_copied, f.failed_revisions
1682
InterRepository.register_optimiser(InterSameDataRepository)
1683
InterRepository.register_optimiser(InterWeaveRepo)
1684
InterRepository.register_optimiser(InterKnitRepo)
1685
InterRepository.register_optimiser(InterModel1and2)
1686
InterRepository.register_optimiser(InterKnit1and2)
1689
class RepositoryTestProviderAdapter(object):
1690
"""A tool to generate a suite testing multiple repository formats at once.
1692
This is done by copying the test once for each transport and injecting
1693
the transport_server, transport_readonly_server, and bzrdir_format and
1694
repository_format classes into each copy. Each copy is also given a new id()
1695
to make it easy to identify.
1698
def __init__(self, transport_server, transport_readonly_server, formats):
1699
self._transport_server = transport_server
1700
self._transport_readonly_server = transport_readonly_server
1701
self._formats = formats
1703
def adapt(self, test):
1704
result = unittest.TestSuite()
1705
for repository_format, bzrdir_format in self._formats:
1706
from copy import deepcopy
1707
new_test = deepcopy(test)
1708
new_test.transport_server = self._transport_server
1709
new_test.transport_readonly_server = self._transport_readonly_server
1710
new_test.bzrdir_format = bzrdir_format
1711
new_test.repository_format = repository_format
1712
def make_new_test_id():
1713
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
1714
return lambda: new_id
1715
new_test.id = make_new_test_id()
1716
result.addTest(new_test)
1720
class InterRepositoryTestProviderAdapter(object):
1721
"""A tool to generate a suite testing multiple inter repository formats.
1723
This is done by copying the test once for each interrepo provider and injecting
1724
the transport_server, transport_readonly_server, repository_format and
1725
repository_to_format classes into each copy.
1726
Each copy is also given a new id() to make it easy to identify.
1729
def __init__(self, transport_server, transport_readonly_server, formats):
1730
self._transport_server = transport_server
1731
self._transport_readonly_server = transport_readonly_server
1732
self._formats = formats
1734
def adapt(self, test):
1735
result = unittest.TestSuite()
1736
for interrepo_class, repository_format, repository_format_to in self._formats:
1737
from copy import deepcopy
1738
new_test = deepcopy(test)
1739
new_test.transport_server = self._transport_server
1740
new_test.transport_readonly_server = self._transport_readonly_server
1741
new_test.interrepo_class = interrepo_class
1742
new_test.repository_format = repository_format
1743
new_test.repository_format_to = repository_format_to
1744
def make_new_test_id():
1745
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
1746
return lambda: new_id
1747
new_test.id = make_new_test_id()
1748
result.addTest(new_test)
1752
def default_test_list():
1753
"""Generate the default list of interrepo permutations to test."""
1754
from bzrlib.repofmt import knitrepo, weaverepo
1756
# test the default InterRepository between format 6 and the current
1758
# XXX: robertc 20060220 reinstate this when there are two supported
1759
# formats which do not have an optimal code path between them.
1760
#result.append((InterRepository,
1761
# RepositoryFormat6(),
1762
# RepositoryFormatKnit1()))
1763
for optimiser_class in InterRepository._optimisers:
1764
format_to_test = optimiser_class._get_repo_format_to_test()
1765
if format_to_test is not None:
1766
result.append((optimiser_class,
1767
format_to_test, format_to_test))
1768
# if there are specific combinations we want to use, we can add them
1770
result.append((InterModel1and2,
1771
weaverepo.RepositoryFormat5(),
1772
knitrepo.RepositoryFormatKnit3()))
1773
result.append((InterKnit1and2,
1774
knitrepo.RepositoryFormatKnit1(),
1775
knitrepo.RepositoryFormatKnit3()))
1779
class CopyConverter(object):
1780
"""A repository conversion tool which just performs a copy of the content.
1782
This is slow but quite reliable.
1785
def __init__(self, target_format):
1786
"""Create a CopyConverter.
1788
:param target_format: The format the resulting repository should be.
1790
self.target_format = target_format
1792
def convert(self, repo, pb):
1793
"""Perform the conversion of to_convert, giving feedback via pb.
1795
:param to_convert: The disk object to convert.
1796
:param pb: a progress bar to use for progress information.
1801
# this is only useful with metadir layouts - separated repo content.
1802
# trigger an assertion if not such
1803
repo._format.get_format_string()
1804
self.repo_dir = repo.bzrdir
1805
self.step('Moving repository to repository.backup')
1806
self.repo_dir.transport.move('repository', 'repository.backup')
1807
backup_transport = self.repo_dir.transport.clone('repository.backup')
1808
repo._format.check_conversion_target(self.target_format)
1809
self.source_repo = repo._format.open(self.repo_dir,
1811
_override_transport=backup_transport)
1812
self.step('Creating new repository')
1813
converted = self.target_format.initialize(self.repo_dir,
1814
self.source_repo.is_shared())
1815
converted.lock_write()
1817
self.step('Copying content into repository.')
1818
self.source_repo.copy_content_into(converted)
1821
self.step('Deleting old repository content.')
1822
self.repo_dir.transport.delete_tree('repository.backup')
1823
self.pb.note('repository converted')
1825
def step(self, message):
1826
"""Update the pb by a step."""
1828
self.pb.update(message, self.count, self.total)
1831
class CommitBuilder(object):
1832
"""Provides an interface to build up a commit.
1834
This allows describing a tree to be committed without needing to
1835
know the internals of the format of the repository.
1838
record_root_entry = False
1839
def __init__(self, repository, parents, config, timestamp=None,
1840
timezone=None, committer=None, revprops=None,
1842
"""Initiate a CommitBuilder.
1844
:param repository: Repository to commit to.
1845
:param parents: Revision ids of the parents of the new revision.
1846
:param config: Configuration to use.
1847
:param timestamp: Optional timestamp recorded for commit.
1848
:param timezone: Optional timezone for timestamp.
1849
:param committer: Optional committer to set for commit.
1850
:param revprops: Optional dictionary of revision properties.
1851
:param revision_id: Optional revision id.
1853
self._config = config
1855
if committer is None:
1856
self._committer = self._config.username()
1858
assert isinstance(committer, basestring), type(committer)
1859
self._committer = committer
1861
self.new_inventory = Inventory(None)
1862
self._new_revision_id = osutils.safe_revision_id(revision_id)
1863
self.parents = parents
1864
self.repository = repository
1867
if revprops is not None:
1868
self._revprops.update(revprops)
1870
if timestamp is None:
1871
timestamp = time.time()
1872
# Restrict resolution to 1ms
1873
self._timestamp = round(timestamp, 3)
1875
if timezone is None:
1876
self._timezone = osutils.local_time_offset()
1878
self._timezone = int(timezone)
1880
self._generate_revision_if_needed()
1882
def commit(self, message):
1883
"""Make the actual commit.
1885
:return: The revision id of the recorded revision.
1887
rev = _mod_revision.Revision(
1888
timestamp=self._timestamp,
1889
timezone=self._timezone,
1890
committer=self._committer,
1892
inventory_sha1=self.inv_sha1,
1893
revision_id=self._new_revision_id,
1894
properties=self._revprops)
1895
rev.parent_ids = self.parents
1896
self.repository.add_revision(self._new_revision_id, rev,
1897
self.new_inventory, self._config)
1898
return self._new_revision_id
1900
def revision_tree(self):
1901
"""Return the tree that was just committed.
1903
After calling commit() this can be called to get a RevisionTree
1904
representing the newly committed tree. This is preferred to
1905
calling Repository.revision_tree() because that may require
1906
deserializing the inventory, while we already have a copy in
1909
return RevisionTree(self.repository, self.new_inventory,
1910
self._new_revision_id)
1912
def finish_inventory(self):
1913
"""Tell the builder that the inventory is finished."""
1914
if self.new_inventory.root is None:
1915
symbol_versioning.warn('Root entry should be supplied to'
1916
' record_entry_contents, as of bzr 0.10.',
1917
DeprecationWarning, stacklevel=2)
1918
self.new_inventory.add(InventoryDirectory(ROOT_ID, '', None))
1919
self.new_inventory.revision_id = self._new_revision_id
1920
self.inv_sha1 = self.repository.add_inventory(
1921
self._new_revision_id,
1926
def _gen_revision_id(self):
1927
"""Return new revision-id."""
1928
return generate_ids.gen_revision_id(self._config.username(),
1931
def _generate_revision_if_needed(self):
1932
"""Create a revision id if None was supplied.
1934
If the repository can not support user-specified revision ids
1935
they should override this function and raise CannotSetRevisionId
1936
if _new_revision_id is not None.
1938
:raises: CannotSetRevisionId
1940
if self._new_revision_id is None:
1941
self._new_revision_id = self._gen_revision_id()
1943
def record_entry_contents(self, ie, parent_invs, path, tree):
1944
"""Record the content of ie from tree into the commit if needed.
1946
Side effect: sets ie.revision when unchanged
1948
:param ie: An inventory entry present in the commit.
1949
:param parent_invs: The inventories of the parent revisions of the
1951
:param path: The path the entry is at in the tree.
1952
:param tree: The tree which contains this entry and should be used to
1955
if self.new_inventory.root is None and ie.parent_id is not None:
1956
symbol_versioning.warn('Root entry should be supplied to'
1957
' record_entry_contents, as of bzr 0.10.',
1958
DeprecationWarning, stacklevel=2)
1959
self.record_entry_contents(tree.inventory.root.copy(), parent_invs,
1961
self.new_inventory.add(ie)
1963
# ie.revision is always None if the InventoryEntry is considered
1964
# for committing. ie.snapshot will record the correct revision
1965
# which may be the sole parent if it is untouched.
1966
if ie.revision is not None:
1969
# In this revision format, root entries have no knit or weave
1970
if ie is self.new_inventory.root:
1971
# When serializing out to disk and back in
1972
# root.revision is always _new_revision_id
1973
ie.revision = self._new_revision_id
1975
previous_entries = ie.find_previous_heads(
1977
self.repository.weave_store,
1978
self.repository.get_transaction())
1979
# we are creating a new revision for ie in the history store
1981
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
1983
def modified_directory(self, file_id, file_parents):
1984
"""Record the presence of a symbolic link.
1986
:param file_id: The file_id of the link to record.
1987
:param file_parents: The per-file parent revision ids.
1989
self._add_text_to_weave(file_id, [], file_parents.keys())
1991
def modified_reference(self, file_id, file_parents):
1992
"""Record the modification of a reference.
1994
:param file_id: The file_id of the link to record.
1995
:param file_parents: The per-file parent revision ids.
1997
self._add_text_to_weave(file_id, [], file_parents.keys())
1999
def modified_file_text(self, file_id, file_parents,
2000
get_content_byte_lines, text_sha1=None,
2002
"""Record the text of file file_id
2004
:param file_id: The file_id of the file to record the text of.
2005
:param file_parents: The per-file parent revision ids.
2006
:param get_content_byte_lines: A callable which will return the byte
2008
:param text_sha1: Optional SHA1 of the file contents.
2009
:param text_size: Optional size of the file contents.
2011
# mutter('storing text of file {%s} in revision {%s} into %r',
2012
# file_id, self._new_revision_id, self.repository.weave_store)
2013
# special case to avoid diffing on renames or
2015
if (len(file_parents) == 1
2016
and text_sha1 == file_parents.values()[0].text_sha1
2017
and text_size == file_parents.values()[0].text_size):
2018
previous_ie = file_parents.values()[0]
2019
versionedfile = self.repository.weave_store.get_weave(file_id,
2020
self.repository.get_transaction())
2021
versionedfile.clone_text(self._new_revision_id,
2022
previous_ie.revision, file_parents.keys())
2023
return text_sha1, text_size
2025
new_lines = get_content_byte_lines()
2026
# TODO: Rather than invoking sha_strings here, _add_text_to_weave
2027
# should return the SHA1 and size
2028
self._add_text_to_weave(file_id, new_lines, file_parents.keys())
2029
return osutils.sha_strings(new_lines), \
2030
sum(map(len, new_lines))
2032
def modified_link(self, file_id, file_parents, link_target):
2033
"""Record the presence of a symbolic link.
2035
:param file_id: The file_id of the link to record.
2036
:param file_parents: The per-file parent revision ids.
2037
:param link_target: Target location of this link.
2039
self._add_text_to_weave(file_id, [], file_parents.keys())
2041
def _add_text_to_weave(self, file_id, new_lines, parents):
2042
versionedfile = self.repository.weave_store.get_weave_or_empty(
2043
file_id, self.repository.get_transaction())
2044
versionedfile.add_lines(self._new_revision_id, parents, new_lines)
2045
versionedfile.clear_cache()
2048
class _CommitBuilder(CommitBuilder):
2049
"""Temporary class so old CommitBuilders are detected properly
2051
Note: CommitBuilder works whether or not root entry is recorded.
2054
record_root_entry = True
2057
class RootCommitBuilder(CommitBuilder):
2058
"""This commitbuilder actually records the root id"""
2060
record_root_entry = True
2062
def record_entry_contents(self, ie, parent_invs, path, tree):
2063
"""Record the content of ie from tree into the commit if needed.
2065
Side effect: sets ie.revision when unchanged
2067
:param ie: An inventory entry present in the commit.
2068
:param parent_invs: The inventories of the parent revisions of the
2070
:param path: The path the entry is at in the tree.
2071
:param tree: The tree which contains this entry and should be used to
2074
assert self.new_inventory.root is not None or ie.parent_id is None
2075
self.new_inventory.add(ie)
2077
# ie.revision is always None if the InventoryEntry is considered
2078
# for committing. ie.snapshot will record the correct revision
2079
# which may be the sole parent if it is untouched.
2080
if ie.revision is not None:
2083
previous_entries = ie.find_previous_heads(
2085
self.repository.weave_store,
2086
self.repository.get_transaction())
2087
# we are creating a new revision for ie in the history store
2089
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
2101
def _unescaper(match, _map=_unescape_map):
2102
code = match.group(1)
2106
if not code.startswith('#'):
2108
return unichr(int(code[1:])).encode('utf8')
2114
def _unescape_xml(data):
2115
"""Unescape predefined XML entities in a string of data."""
2117
if _unescape_re is None:
2118
_unescape_re = re.compile('\&([^;]*);')
2119
return _unescape_re.sub(_unescaper, data)
added
removed
bzrlib/repository.py
