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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.bundle import serializer
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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, mutter_callsite, note, warning
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# Old formats display a warning, but only once
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_deprecation_warning_done = False
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class CommitBuilder(object):
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"""Provides an interface to build up a commit.
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This allows describing a tree to be committed without needing to
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know the internals of the format of the repository.
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# all clients should supply tree roots.
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record_root_entry = True
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# the default CommitBuilder does not manage trees whose root is versioned.
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_versioned_root = False
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def __init__(self, repository, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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"""Initiate a CommitBuilder.
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:param repository: Repository to commit to.
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:param parents: Revision ids of the parents of the new revision.
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:param 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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self._committer = self._config.username()
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assert isinstance(committer, basestring), type(committer)
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self._committer = committer
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self.new_inventory = Inventory(None)
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self._new_revision_id = osutils.safe_revision_id(revision_id)
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self.parents = parents
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self.repository = repository
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if revprops is not None:
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self._revprops.update(revprops)
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if timestamp is None:
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timestamp = time.time()
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# Restrict resolution to 1ms
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self._timestamp = round(timestamp, 3)
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self._timezone = osutils.local_time_offset()
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self._timezone = int(timezone)
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self._generate_revision_if_needed()
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def commit(self, message):
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"""Make the actual commit.
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:return: The revision id of the recorded revision.
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rev = _mod_revision.Revision(
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timestamp=self._timestamp,
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timezone=self._timezone,
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committer=self._committer,
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inventory_sha1=self.inv_sha1,
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revision_id=self._new_revision_id,
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properties=self._revprops)
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rev.parent_ids = self.parents
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self.repository.add_revision(self._new_revision_id, rev,
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self.new_inventory, self._config)
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self.repository.commit_write_group()
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return self._new_revision_id
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"""Abort the commit that is being built.
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self.repository.abort_write_group()
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def revision_tree(self):
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"""Return the tree that was just committed.
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After calling commit() this can be called to get a RevisionTree
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representing the newly committed tree. This is preferred to
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calling Repository.revision_tree() because that may require
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deserializing the inventory, while we already have a copy in
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return RevisionTree(self.repository, self.new_inventory,
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self._new_revision_id)
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def finish_inventory(self):
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"""Tell the builder that the inventory is finished."""
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if self.new_inventory.root is None:
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symbol_versioning.warn('Root entry should be supplied to'
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' record_entry_contents, as of bzr 0.10.',
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DeprecationWarning, stacklevel=2)
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self.new_inventory.add(InventoryDirectory(ROOT_ID, '', None))
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self.new_inventory.revision_id = self._new_revision_id
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self.inv_sha1 = self.repository.add_inventory(
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self._new_revision_id,
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def _gen_revision_id(self):
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"""Return new revision-id."""
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return generate_ids.gen_revision_id(self._config.username(),
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def _generate_revision_if_needed(self):
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"""Create a revision id if None was supplied.
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If the repository can not support user-specified revision ids
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they should override this function and raise CannotSetRevisionId
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if _new_revision_id is not None.
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:raises: CannotSetRevisionId
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if self._new_revision_id is None:
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self._new_revision_id = self._gen_revision_id()
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self.random_revid = True
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self.random_revid = False
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def _check_root(self, ie, parent_invs, tree):
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"""Helper for record_entry_contents.
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:param ie: An entry being added.
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:param parent_invs: The inventories of the parent revisions of the
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:param tree: The tree that is being committed.
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# In this revision format, root entries have no knit or weave When
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# serializing out to disk and back in root.revision is always
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ie.revision = self._new_revision_id
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def _get_delta(self, ie, basis_inv, path):
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"""Get a delta against the basis inventory for ie."""
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if ie.file_id not in basis_inv:
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return (None, path, ie.file_id, ie)
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elif ie != basis_inv[ie.file_id]:
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# TODO: avoid tis id2path call.
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return (basis_inv.id2path(ie.file_id), path, ie.file_id, ie)
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def record_entry_contents(self, ie, parent_invs, path, tree,
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"""Record the content of ie from tree into the commit if needed.
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Side effect: sets ie.revision when unchanged
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:param ie: An inventory entry present in the commit.
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:param parent_invs: The inventories of the parent revisions of the
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:param path: The path the entry is at in the tree.
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:param tree: The tree which contains this entry and should be used to
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:param content_summary: Summary data from the tree about the paths
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content - stat, length, exec, sha/link target. This is only
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accessed when the entry has a revision of None - that is when it is
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a candidate to commit.
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:return: A tuple (change_delta, version_recorded). change_delta is
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an inventory_delta change for this entry against the basis tree of
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the commit, or None if no change occured against the basis tree.
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version_recorded is True if a new version of the entry has been
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recorded. For instance, committing a merge where a file was only
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changed on the other side will return (delta, False).
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if self.new_inventory.root is None:
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if ie.parent_id is not None:
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raise errors.RootMissing()
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self._check_root(ie, parent_invs, tree)
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if ie.revision is None:
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kind = content_summary[0]
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# ie is carried over from a prior commit
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# XXX: repository specific check for nested tree support goes here - if
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# the repo doesn't want nested trees we skip it ?
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if (kind == 'tree-reference' and
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not self.repository._format.supports_tree_reference):
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# mismatch between commit builder logic and repository:
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# this needs the entry creation pushed down into the builder.
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raise NotImplementedError('Missing repository subtree support.')
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# transitional assert only, will remove before release.
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assert ie.kind == kind
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self.new_inventory.add(ie)
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# TODO: slow, take it out of the inner loop.
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basis_inv = parent_invs[0]
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basis_inv = Inventory(root_id=None)
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# ie.revision is always None if the InventoryEntry is considered
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# for committing. We may record the previous parents revision if the
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# content is actually unchanged against a sole head.
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if ie.revision is not None:
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if self._versioned_root or path != '':
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# not considered for commit
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# repositories that do not version the root set the root's
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# revision to the new commit even when no change occurs, and
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# this masks when a change may have occurred against the basis,
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# so calculate if one happened.
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if ie.file_id not in basis_inv:
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delta = (None, path, ie.file_id, ie)
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basis_id = basis_inv[ie.file_id]
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if basis_id.name != '':
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delta = (basis_inv.id2path(ie.file_id), path,
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# not considered for commit, OR, for non-rich-root
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return delta, ie.revision == self._new_revision_id and (path != '' or
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self._versioned_root)
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# XXX: Friction: parent_candidates should return a list not a dict
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# so that we don't have to walk the inventories again.
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parent_candiate_entries = ie.parent_candidates(parent_invs)
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head_set = self.repository.get_graph().heads(parent_candiate_entries.keys())
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for inv in parent_invs:
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if ie.file_id in inv:
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old_rev = inv[ie.file_id].revision
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if old_rev in head_set:
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heads.append(inv[ie.file_id].revision)
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head_set.remove(inv[ie.file_id].revision)
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# now we check to see if we need to write a new record to the
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# We write a new entry unless there is one head to the ancestors, and
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# the kind-derived content is unchanged.
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# Cheapest check first: no ancestors, or more the one head in the
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# ancestors, we write a new node.
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# There is a single head, look it up for comparison
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parent_entry = parent_candiate_entries[heads[0]]
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# if the non-content specific data has changed, we'll be writing a
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if (parent_entry.parent_id != ie.parent_id or
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parent_entry.name != ie.name):
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# now we need to do content specific checks:
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# if the kind changed the content obviously has
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if kind != parent_entry.kind:
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if (# if the file length changed we have to store:
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parent_entry.text_size != content_summary[1] or
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# if the exec bit has changed we have to store:
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parent_entry.executable != content_summary[2]):
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elif parent_entry.text_sha1 == content_summary[3]:
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# all meta and content is unchanged (using a hash cache
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# hit to check the sha)
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ie.revision = parent_entry.revision
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ie.text_size = parent_entry.text_size
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ie.text_sha1 = parent_entry.text_sha1
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ie.executable = parent_entry.executable
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return self._get_delta(ie, basis_inv, path), False
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# Either there is only a hash change(no hash cache entry,
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# or same size content change), or there is no change on
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# Provide the parent's hash to the store layer, so that the
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# content is unchanged we will not store a new node.
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nostore_sha = parent_entry.text_sha1
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# We want to record a new node regardless of the presence or
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# absence of a content change in the file.
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ie.executable = content_summary[2]
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lines = tree.get_file(ie.file_id, path).readlines()
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ie.text_sha1, ie.text_size = self._add_text_to_weave(
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ie.file_id, lines, heads, nostore_sha)
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except errors.ExistingContent:
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# Turns out that the file content was unchanged, and we were
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# only going to store a new node if it was changed. Carry over
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ie.revision = parent_entry.revision
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ie.text_size = parent_entry.text_size
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ie.text_sha1 = parent_entry.text_sha1
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ie.executable = parent_entry.executable
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return self._get_delta(ie, basis_inv, path), False
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elif kind == 'directory':
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# all data is meta here, nothing specific to directory, so
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ie.revision = parent_entry.revision
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return self._get_delta(ie, basis_inv, path), False
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self._add_text_to_weave(ie.file_id, lines, heads, None)
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elif kind == 'symlink':
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current_link_target = content_summary[3]
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# symlink target is not generic metadata, check if it has
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if current_link_target != parent_entry.symlink_target:
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# unchanged, carry over.
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ie.revision = parent_entry.revision
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ie.symlink_target = parent_entry.symlink_target
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return self._get_delta(ie, basis_inv, path), False
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ie.symlink_target = current_link_target
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self._add_text_to_weave(ie.file_id, lines, heads, None)
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elif kind == 'tree-reference':
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if content_summary[3] != parent_entry.reference_revision:
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# unchanged, carry over.
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ie.reference_revision = parent_entry.reference_revision
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ie.revision = parent_entry.revision
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return self._get_delta(ie, basis_inv, path), False
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ie.reference_revision = content_summary[3]
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self._add_text_to_weave(ie.file_id, lines, heads, None)
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raise NotImplementedError('unknown kind')
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ie.revision = self._new_revision_id
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return self._get_delta(ie, basis_inv, path), True
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def _add_text_to_weave(self, file_id, new_lines, parents, nostore_sha):
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versionedfile = self.repository.weave_store.get_weave_or_empty(
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file_id, self.repository.get_transaction())
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# Don't change this to add_lines - add_lines_with_ghosts is cheaper
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# than add_lines, and allows committing when a parent is ghosted for
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# Note: as we read the content directly from the tree, we know its not
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# been turned into unicode or badly split - but a broken tree
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# implementation could give us bad output from readlines() so this is
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# not a guarantee of safety. What would be better is always checking
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# the content during test suite execution. RBC 20070912
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return versionedfile.add_lines_with_ghosts(
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self._new_revision_id, parents, new_lines,
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nostore_sha=nostore_sha, random_id=self.random_revid,
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check_content=False)[0:2]
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versionedfile.clear_cache()
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class RootCommitBuilder(CommitBuilder):
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"""This commitbuilder actually records the root id"""
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# the root entry gets versioned properly by this builder.
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_versioned_root = True
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def _check_root(self, ie, parent_invs, tree):
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"""Helper for record_entry_contents.
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:param ie: An entry being added.
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:param parent_invs: The inventories of the parent revisions of the
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:param tree: The tree that is being committed.
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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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# What class to use for a CommitBuilder. Often its simpler to change this
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# in a Repository class subclass rather than to override
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# get_commit_builder.
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_commit_builder_class = CommitBuilder
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# The search regex used by xml based repositories to determine what things
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# where changed in a single commit.
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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 abort_write_group(self):
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"""Commit the contents accrued within the current write group.
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:seealso: start_write_group.
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if self._write_group is not self.get_transaction():
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# has an unlock or relock occured ?
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raise errors.BzrError('mismatched lock context and write group.')
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self._abort_write_group()
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self._write_group = None
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def _abort_write_group(self):
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"""Template method for per-repository write group cleanup.
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This is called during abort before the write group is considered to be
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finished and should cleanup any internal state accrued during the write
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group. There is no requirement that data handed to the repository be
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*not* made available - this is not a rollback - but neither should any
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attempt be made to ensure that data added is fully commited. Abort is
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invoked when an error has occured so futher disk or network operations
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may not be possible or may error and if possible should not be
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def add_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_lines = self._serialise_inventory_to_lines(inv)
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inv_vf = self.get_inventory_weave()
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return self._inventory_add_lines(inv_vf, revision_id, parents,
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inv_lines, check_content=False)
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def _inventory_add_lines(self, inv_vf, revision_id, parents, lines,
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"""Store lines in inv_vf and return the sha1 of the inventory."""
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for parent in parents:
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final_parents.append(parent)
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return inv_vf.add_lines(revision_id, final_parents, lines,
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check_content=check_content)[0]
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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 _add_revision_text(self, revision_id, text):
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revision = self._revision_store._serializer.read_revision_from_string(
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self._revision_store._add_revision(revision, StringIO(text),
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self.get_transaction())
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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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if 'evil' in debug.debug_flags:
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mutter_callsite(2, "all_revision_ids is linear with history.")
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return self._all_revision_ids()
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def _all_revision_ids(self):
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"""Returns a list of all the revision ids in the repository.
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These are in as much topological order as the underlying store can
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raise NotImplementedError(self._all_revision_ids)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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self.control_files.break_lock()
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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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# backwards compatibility
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self.weave_store = text_store
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self._reconcile_does_inventory_gc = True
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# not right yet - should be more semantically clear ?
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self.control_store = control_store
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self.control_weaves = control_store
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# TODO: make sure to construct the right store classes, etc, depending
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# on whether escaping is required.
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self._warn_if_deprecated()
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self._write_group = None
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self.base = control_files._transport.base
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return '%s(%r)' % (self.__class__.__name__,
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def has_same_location(self, other):
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"""Returns a boolean indicating if this repository is at the same
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location as another repository.
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This might return False even when two repository objects are accessing
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the same physical repository via different URLs.
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if self.__class__ is not other.__class__:
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return (self.control_files._transport.base ==
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other.control_files._transport.base)
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def is_in_write_group(self):
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"""Return True if there is an open write group.
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:seealso: start_write_group.
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return self._write_group is not None
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return self.control_files.is_locked()
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def lock_write(self, token=None):
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"""Lock this repository for writing.
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This causes caching within the repository obejct to start accumlating
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data during reads, and allows a 'write_group' to be obtained. Write
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groups must be used for actual data insertion.
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:param token: if this is already locked, then lock_write will fail
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unless the token matches the existing lock.
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:returns: a token if this instance supports tokens, otherwise None.
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:raises TokenLockingNotSupported: when a token is given but this
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instance doesn't support using token locks.
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:raises MismatchedToken: if the specified token doesn't match the token
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of the existing lock.
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:seealso: start_write_group.
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A token should be passed in if you know that you have locked the object
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some other way, and need to synchronise this object's state with that
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XXX: this docstring is duplicated in many places, e.g. lockable_files.py
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result = self.control_files.lock_write(token=token)
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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 leave_lock_in_place(self):
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"""Tell this repository not to release the physical lock when this
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If lock_write doesn't return a token, then this method is not supported.
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self.control_files.leave_in_place()
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def dont_leave_lock_in_place(self):
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"""Tell this repository to release the physical lock when this
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object is unlocked, even if it didn't originally acquire it.
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If lock_write doesn't return a token, then this method is not supported.
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self.control_files.dont_leave_in_place()
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def gather_stats(self, revid=None, committers=None):
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"""Gather statistics from a revision id.
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:param revid: The revision id to gather statistics from, if None, then
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no revision specific statistics are gathered.
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:param committers: Optional parameter controlling whether to grab
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a count of committers from the revision specific statistics.
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:return: A dictionary of statistics. Currently this contains:
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committers: The number of committers if requested.
719
firstrev: A tuple with timestamp, timezone for the penultimate left
720
most ancestor of revid, if revid is not the NULL_REVISION.
721
latestrev: A tuple with timestamp, timezone for revid, if revid is
722
not the NULL_REVISION.
723
revisions: The total revision count in the repository.
724
size: An estimate disk size of the repository in bytes.
727
if revid and committers:
728
result['committers'] = 0
729
if revid and revid != _mod_revision.NULL_REVISION:
731
all_committers = set()
732
revisions = self.get_ancestry(revid)
733
# pop the leading None
735
first_revision = None
737
# ignore the revisions in the middle - just grab first and last
738
revisions = revisions[0], revisions[-1]
739
for revision in self.get_revisions(revisions):
740
if not first_revision:
741
first_revision = revision
743
all_committers.add(revision.committer)
744
last_revision = revision
746
result['committers'] = len(all_committers)
747
result['firstrev'] = (first_revision.timestamp,
748
first_revision.timezone)
749
result['latestrev'] = (last_revision.timestamp,
750
last_revision.timezone)
752
# now gather global repository information
753
if self.bzrdir.root_transport.listable():
754
c, t = self._revision_store.total_size(self.get_transaction())
755
result['revisions'] = c
760
def missing_revision_ids(self, other, revision_id=None):
761
"""Return the revision ids that other has that this does not.
763
These are returned in topological order.
765
revision_id: only return revision ids included by revision_id.
767
revision_id = osutils.safe_revision_id(revision_id)
768
return InterRepository.get(other, self).missing_revision_ids(revision_id)
772
"""Open the repository rooted at base.
774
For instance, if the repository is at URL/.bzr/repository,
775
Repository.open(URL) -> a Repository instance.
777
control = bzrdir.BzrDir.open(base)
778
return control.open_repository()
780
def copy_content_into(self, destination, revision_id=None):
781
"""Make a complete copy of the content in self into destination.
783
This is a destructive operation! Do not use it on existing
786
revision_id = osutils.safe_revision_id(revision_id)
787
return InterRepository.get(self, destination).copy_content(revision_id)
789
def commit_write_group(self):
790
"""Commit the contents accrued within the current write group.
792
:seealso: start_write_group.
794
if self._write_group is not self.get_transaction():
795
# has an unlock or relock occured ?
796
raise errors.BzrError('mismatched lock context %r and '
798
(self.get_transaction(), self._write_group))
799
self._commit_write_group()
800
self._write_group = None
802
def _commit_write_group(self):
803
"""Template method for per-repository write group cleanup.
805
This is called before the write group is considered to be
806
finished and should ensure that all data handed to the repository
807
for writing during the write group is safely committed (to the
808
extent possible considering file system caching etc).
811
def fetch(self, source, revision_id=None, pb=None):
812
"""Fetch the content required to construct revision_id from source.
814
If revision_id is None all content is copied.
816
revision_id = osutils.safe_revision_id(revision_id)
817
# fast path same-url fetch operations
818
if self.has_same_location(source):
819
# check that last_revision is in 'from' and then return a
821
if (revision_id is not None and
822
not _mod_revision.is_null(revision_id)):
823
self.get_revision(revision_id)
825
inter = InterRepository.get(source, self)
827
return inter.fetch(revision_id=revision_id, pb=pb)
828
except NotImplementedError:
829
raise errors.IncompatibleRepositories(source, self)
831
def create_bundle(self, target, base, fileobj, format=None):
832
return serializer.write_bundle(self, target, base, fileobj, format)
834
def get_commit_builder(self, branch, parents, config, timestamp=None,
835
timezone=None, committer=None, revprops=None,
837
"""Obtain a CommitBuilder for this repository.
839
:param branch: Branch to commit to.
840
:param parents: Revision ids of the parents of the new revision.
841
:param config: Configuration to use.
842
:param timestamp: Optional timestamp recorded for commit.
843
:param timezone: Optional timezone for timestamp.
844
:param committer: Optional committer to set for commit.
845
:param revprops: Optional dictionary of revision properties.
846
:param revision_id: Optional revision id.
848
revision_id = osutils.safe_revision_id(revision_id)
849
result = self._commit_builder_class(self, parents, config,
850
timestamp, timezone, committer, revprops, revision_id)
851
self.start_write_group()
855
if (self.control_files._lock_count == 1 and
856
self.control_files._lock_mode == 'w'):
857
if self._write_group is not None:
858
raise errors.BzrError(
859
'Must end write groups before releasing write locks.')
860
self.control_files.unlock()
863
def clone(self, a_bzrdir, revision_id=None):
864
"""Clone this repository into a_bzrdir using the current format.
866
Currently no check is made that the format of this repository and
867
the bzrdir format are compatible. FIXME RBC 20060201.
869
:return: The newly created destination repository.
871
# TODO: deprecate after 0.16; cloning this with all its settings is
872
# probably not very useful -- mbp 20070423
873
dest_repo = self._create_sprouting_repo(a_bzrdir, shared=self.is_shared())
874
self.copy_content_into(dest_repo, revision_id)
877
def start_write_group(self):
878
"""Start a write group in the repository.
880
Write groups are used by repositories which do not have a 1:1 mapping
881
between file ids and backend store to manage the insertion of data from
882
both fetch and commit operations.
884
A write lock is required around the start_write_group/commit_write_group
885
for the support of lock-requiring repository formats.
887
One can only insert data into a repository inside a write group.
891
if not self.is_locked() or self.control_files._lock_mode != 'w':
892
raise errors.NotWriteLocked(self)
893
if self._write_group:
894
raise errors.BzrError('already in a write group')
895
self._start_write_group()
896
# so we can detect unlock/relock - the write group is now entered.
897
self._write_group = self.get_transaction()
899
def _start_write_group(self):
900
"""Template method for per-repository write group startup.
902
This is called before the write group is considered to be
907
def sprout(self, to_bzrdir, revision_id=None):
908
"""Create a descendent repository for new development.
910
Unlike clone, this does not copy the settings of the repository.
912
dest_repo = self._create_sprouting_repo(to_bzrdir, shared=False)
913
dest_repo.fetch(self, revision_id=revision_id)
916
def _create_sprouting_repo(self, a_bzrdir, shared):
917
if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
918
# use target default format.
919
dest_repo = a_bzrdir.create_repository()
921
# Most control formats need the repository to be specifically
922
# created, but on some old all-in-one formats it's not needed
924
dest_repo = self._format.initialize(a_bzrdir, shared=shared)
925
except errors.UninitializableFormat:
926
dest_repo = a_bzrdir.open_repository()
930
def has_revision(self, revision_id):
931
"""True if this repository has a copy of the revision."""
932
if 'evil' in debug.debug_flags:
933
mutter_callsite(3, "has_revision is a LBYL symptom.")
934
revision_id = osutils.safe_revision_id(revision_id)
935
return self._revision_store.has_revision_id(revision_id,
936
self.get_transaction())
939
def get_revision(self, revision_id):
940
"""Return the Revision object for a named revision."""
941
return self.get_revisions([revision_id])[0]
944
def get_revision_reconcile(self, revision_id):
945
"""'reconcile' helper routine that allows access to a revision always.
947
This variant of get_revision does not cross check the weave graph
948
against the revision one as get_revision does: but it should only
949
be used by reconcile, or reconcile-alike commands that are correcting
950
or testing the revision graph.
952
return self._get_revisions([revision_id])[0]
955
def get_revisions(self, revision_ids):
956
"""Get many revisions at once."""
957
return self._get_revisions(revision_ids)
960
def _get_revisions(self, revision_ids):
961
"""Core work logic to get many revisions without sanity checks."""
962
revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
963
for rev_id in revision_ids:
964
if not rev_id or not isinstance(rev_id, basestring):
965
raise errors.InvalidRevisionId(revision_id=rev_id, branch=self)
966
revs = self._revision_store.get_revisions(revision_ids,
967
self.get_transaction())
969
assert not isinstance(rev.revision_id, unicode)
970
for parent_id in rev.parent_ids:
971
assert not isinstance(parent_id, unicode)
975
def get_revision_xml(self, revision_id):
976
# TODO: jam 20070210 This shouldn't be necessary since get_revision
977
# would have already do it.
978
# TODO: jam 20070210 Just use _serializer.write_revision_to_string()
979
revision_id = osutils.safe_revision_id(revision_id)
980
rev = self.get_revision(revision_id)
982
# the current serializer..
983
self._revision_store._serializer.write_revision(rev, rev_tmp)
985
return rev_tmp.getvalue()
988
def get_deltas_for_revisions(self, revisions):
989
"""Produce a generator of revision deltas.
991
Note that the input is a sequence of REVISIONS, not revision_ids.
992
Trees will be held in memory until the generator exits.
993
Each delta is relative to the revision's lefthand predecessor.
995
required_trees = set()
996
for revision in revisions:
997
required_trees.add(revision.revision_id)
998
required_trees.update(revision.parent_ids[:1])
999
trees = dict((t.get_revision_id(), t) for
1000
t in self.revision_trees(required_trees))
1001
for revision in revisions:
1002
if not revision.parent_ids:
1003
old_tree = self.revision_tree(None)
1005
old_tree = trees[revision.parent_ids[0]]
1006
yield trees[revision.revision_id].changes_from(old_tree)
1009
def get_revision_delta(self, revision_id):
1010
"""Return the delta for one revision.
1012
The delta is relative to the left-hand predecessor of the
1015
r = self.get_revision(revision_id)
1016
return list(self.get_deltas_for_revisions([r]))[0]
1019
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1020
revision_id = osutils.safe_revision_id(revision_id)
1021
signature = gpg_strategy.sign(plaintext)
1022
self._revision_store.add_revision_signature_text(revision_id,
1024
self.get_transaction())
1026
def fileids_altered_by_revision_ids(self, revision_ids):
1027
"""Find the file ids and versions affected by revisions.
1029
:param revisions: an iterable containing revision ids.
1030
:return: a dictionary mapping altered file-ids to an iterable of
1031
revision_ids. Each altered file-ids has the exact revision_ids that
1032
altered it listed explicitly.
1034
assert self._serializer.support_altered_by_hack, \
1035
("fileids_altered_by_revision_ids only supported for branches "
1036
"which store inventory as unnested xml, not on %r" % self)
1037
selected_revision_ids = set(osutils.safe_revision_id(r)
1038
for r in revision_ids)
1039
w = self.get_inventory_weave()
1042
# this code needs to read every new line in every inventory for the
1043
# inventories [revision_ids]. Seeing a line twice is ok. Seeing a line
1044
# not present in one of those inventories is unnecessary but not
1045
# harmful because we are filtering by the revision id marker in the
1046
# inventory lines : we only select file ids altered in one of those
1047
# revisions. We don't need to see all lines in the inventory because
1048
# only those added in an inventory in rev X can contain a revision=X
1050
unescape_revid_cache = {}
1051
unescape_fileid_cache = {}
1053
# jam 20061218 In a big fetch, this handles hundreds of thousands
1054
# of lines, so it has had a lot of inlining and optimizing done.
1055
# Sorry that it is a little bit messy.
1056
# Move several functions to be local variables, since this is a long
1058
search = self._file_ids_altered_regex.search
1059
unescape = _unescape_xml
1060
setdefault = result.setdefault
1061
pb = ui.ui_factory.nested_progress_bar()
1063
for line in w.iter_lines_added_or_present_in_versions(
1064
selected_revision_ids, pb=pb):
1065
match = search(line)
1068
# One call to match.group() returning multiple items is quite a
1069
# bit faster than 2 calls to match.group() each returning 1
1070
file_id, revision_id = match.group('file_id', 'revision_id')
1072
# Inlining the cache lookups helps a lot when you make 170,000
1073
# lines and 350k ids, versus 8.4 unique ids.
1074
# Using a cache helps in 2 ways:
1075
# 1) Avoids unnecessary decoding calls
1076
# 2) Re-uses cached strings, which helps in future set and
1078
# (2) is enough that removing encoding entirely along with
1079
# the cache (so we are using plain strings) results in no
1080
# performance improvement.
1082
revision_id = unescape_revid_cache[revision_id]
1084
unescaped = unescape(revision_id)
1085
unescape_revid_cache[revision_id] = unescaped
1086
revision_id = unescaped
1088
if revision_id in selected_revision_ids:
1090
file_id = unescape_fileid_cache[file_id]
1092
unescaped = unescape(file_id)
1093
unescape_fileid_cache[file_id] = unescaped
1095
setdefault(file_id, set()).add(revision_id)
1100
def iter_files_bytes(self, desired_files):
1101
"""Iterate through file versions.
1103
Files will not necessarily be returned in the order they occur in
1104
desired_files. No specific order is guaranteed.
1106
Yields pairs of identifier, bytes_iterator. identifier is an opaque
1107
value supplied by the caller as part of desired_files. It should
1108
uniquely identify the file version in the caller's context. (Examples:
1109
an index number or a TreeTransform trans_id.)
1111
bytes_iterator is an iterable of bytestrings for the file. The
1112
kind of iterable and length of the bytestrings are unspecified, but for
1113
this implementation, it is a list of lines produced by
1114
VersionedFile.get_lines().
1116
:param desired_files: a list of (file_id, revision_id, identifier)
1119
transaction = self.get_transaction()
1120
for file_id, revision_id, callable_data in desired_files:
1122
weave = self.weave_store.get_weave(file_id, transaction)
1123
except errors.NoSuchFile:
1124
raise errors.NoSuchIdInRepository(self, file_id)
1125
yield callable_data, weave.get_lines(revision_id)
1127
def item_keys_introduced_by(self, revision_ids, _files_pb=None):
1128
"""Get an iterable listing the keys of all the data introduced by a set
1131
The keys will be ordered so that the corresponding items can be safely
1132
fetched and inserted in that order.
1134
:returns: An iterable producing tuples of (knit-kind, file-id,
1135
versions). knit-kind is one of 'file', 'inventory', 'signatures',
1136
'revisions'. file-id is None unless knit-kind is 'file'.
1138
# XXX: it's a bit weird to control the inventory weave caching in this
1139
# generator. Ideally the caching would be done in fetch.py I think. Or
1140
# maybe this generator should explicitly have the contract that it
1141
# should not be iterated until the previously yielded item has been
1143
inv_w = self.get_inventory_weave()
1144
inv_w.enable_cache()
1146
# file ids that changed
1147
file_ids = self.fileids_altered_by_revision_ids(revision_ids)
1149
num_file_ids = len(file_ids)
1150
for file_id, altered_versions in file_ids.iteritems():
1151
if _files_pb is not None:
1152
_files_pb.update("fetch texts", count, num_file_ids)
1154
yield ("file", file_id, altered_versions)
1155
# We're done with the files_pb. Note that it finished by the caller,
1156
# just as it was created by the caller.
1160
yield ("inventory", None, revision_ids)
1164
revisions_with_signatures = set()
1165
for rev_id in revision_ids:
1167
self.get_signature_text(rev_id)
1168
except errors.NoSuchRevision:
1172
revisions_with_signatures.add(rev_id)
1173
yield ("signatures", None, revisions_with_signatures)
1176
yield ("revisions", None, revision_ids)
1179
def get_inventory_weave(self):
1180
return self.control_weaves.get_weave('inventory',
1181
self.get_transaction())
1184
def get_inventory(self, revision_id):
1185
"""Get Inventory object by hash."""
1186
# TODO: jam 20070210 Technically we don't need to sanitize, since all
1187
# called functions must sanitize.
1188
revision_id = osutils.safe_revision_id(revision_id)
1189
return self.deserialise_inventory(
1190
revision_id, self.get_inventory_xml(revision_id))
1192
def deserialise_inventory(self, revision_id, xml):
1193
"""Transform the xml into an inventory object.
1195
:param revision_id: The expected revision id of the inventory.
1196
:param xml: A serialised inventory.
1198
revision_id = osutils.safe_revision_id(revision_id)
1199
result = self._serializer.read_inventory_from_string(xml)
1200
result.root.revision = revision_id
1203
def serialise_inventory(self, inv):
1204
return self._serializer.write_inventory_to_string(inv)
1206
def _serialise_inventory_to_lines(self, inv):
1207
return self._serializer.write_inventory_to_lines(inv)
1209
def get_serializer_format(self):
1210
return self._serializer.format_num
1213
def get_inventory_xml(self, revision_id):
1214
"""Get inventory XML as a file object."""
1215
revision_id = osutils.safe_revision_id(revision_id)
1217
assert isinstance(revision_id, str), type(revision_id)
1218
iw = self.get_inventory_weave()
1219
return iw.get_text(revision_id)
1221
raise errors.HistoryMissing(self, 'inventory', revision_id)
1224
def get_inventory_sha1(self, revision_id):
1225
"""Return the sha1 hash of the inventory entry
1227
# TODO: jam 20070210 Shouldn't this be deprecated / removed?
1228
revision_id = osutils.safe_revision_id(revision_id)
1229
return self.get_revision(revision_id).inventory_sha1
1232
def get_revision_graph(self, revision_id=None):
1233
"""Return a dictionary containing the revision graph.
1235
NB: This method should not be used as it accesses the entire graph all
1236
at once, which is much more data than most operations should require.
1238
:param revision_id: The revision_id to get a graph from. If None, then
1239
the entire revision graph is returned. This is a deprecated mode of
1240
operation and will be removed in the future.
1241
:return: a dictionary of revision_id->revision_parents_list.
1243
raise NotImplementedError(self.get_revision_graph)
1246
def get_revision_graph_with_ghosts(self, revision_ids=None):
1247
"""Return a graph of the revisions with ghosts marked as applicable.
1249
:param revision_ids: an iterable of revisions to graph or None for all.
1250
:return: a Graph object with the graph reachable from revision_ids.
1252
if 'evil' in debug.debug_flags:
1254
"get_revision_graph_with_ghosts scales with size of history.")
1255
result = deprecated_graph.Graph()
1256
if not revision_ids:
1257
pending = set(self.all_revision_ids())
1260
pending = set(osutils.safe_revision_id(r) for r in revision_ids)
1261
# special case NULL_REVISION
1262
if _mod_revision.NULL_REVISION in pending:
1263
pending.remove(_mod_revision.NULL_REVISION)
1264
required = set(pending)
1267
revision_id = pending.pop()
1269
rev = self.get_revision(revision_id)
1270
except errors.NoSuchRevision:
1271
if revision_id in required:
1274
result.add_ghost(revision_id)
1276
for parent_id in rev.parent_ids:
1277
# is this queued or done ?
1278
if (parent_id not in pending and
1279
parent_id not in done):
1281
pending.add(parent_id)
1282
result.add_node(revision_id, rev.parent_ids)
1283
done.add(revision_id)
1286
def _get_history_vf(self):
1287
"""Get a versionedfile whose history graph reflects all revisions.
1289
For weave repositories, this is the inventory weave.
1291
return self.get_inventory_weave()
1293
def iter_reverse_revision_history(self, revision_id):
1294
"""Iterate backwards through revision ids in the lefthand history
1296
:param revision_id: The revision id to start with. All its lefthand
1297
ancestors will be traversed.
1299
revision_id = osutils.safe_revision_id(revision_id)
1300
if revision_id in (None, _mod_revision.NULL_REVISION):
1302
next_id = revision_id
1303
versionedfile = self._get_history_vf()
1306
parents = versionedfile.get_parents(next_id)
1307
if len(parents) == 0:
1310
next_id = parents[0]
1313
def get_revision_inventory(self, revision_id):
1314
"""Return inventory of a past revision."""
1315
# TODO: Unify this with get_inventory()
1316
# bzr 0.0.6 and later imposes the constraint that the inventory_id
1317
# must be the same as its revision, so this is trivial.
1318
if revision_id is None:
1319
# This does not make sense: if there is no revision,
1320
# then it is the current tree inventory surely ?!
1321
# and thus get_root_id() is something that looks at the last
1322
# commit on the branch, and the get_root_id is an inventory check.
1323
raise NotImplementedError
1324
# return Inventory(self.get_root_id())
1326
return self.get_inventory(revision_id)
1329
def is_shared(self):
1330
"""Return True if this repository is flagged as a shared repository."""
1331
raise NotImplementedError(self.is_shared)
1334
def reconcile(self, other=None, thorough=False):
1335
"""Reconcile this repository."""
1336
from bzrlib.reconcile import RepoReconciler
1337
reconciler = RepoReconciler(self, thorough=thorough)
1338
reconciler.reconcile()
1341
def _refresh_data(self):
1342
"""Helper called from lock_* to ensure coherency with disk.
1344
The default implementation does nothing; it is however possible
1345
for repositories to maintain loaded indices across multiple locks
1346
by checking inside their implementation of this method to see
1347
whether their indices are still valid. This depends of course on
1348
the disk format being validatable in this manner.
1352
def revision_tree(self, revision_id):
1353
"""Return Tree for a revision on this branch.
1355
`revision_id` may be None for the empty tree revision.
1357
# TODO: refactor this to use an existing revision object
1358
# so we don't need to read it in twice.
1359
if revision_id is None or revision_id == _mod_revision.NULL_REVISION:
1360
return RevisionTree(self, Inventory(root_id=None),
1361
_mod_revision.NULL_REVISION)
1363
revision_id = osutils.safe_revision_id(revision_id)
1364
inv = self.get_revision_inventory(revision_id)
1365
return RevisionTree(self, inv, revision_id)
1368
def revision_trees(self, revision_ids):
1369
"""Return Tree for a revision on this branch.
1371
`revision_id` may not be None or 'null:'"""
1372
assert None not in revision_ids
1373
assert _mod_revision.NULL_REVISION not in revision_ids
1374
texts = self.get_inventory_weave().get_texts(revision_ids)
1375
for text, revision_id in zip(texts, revision_ids):
1376
inv = self.deserialise_inventory(revision_id, text)
1377
yield RevisionTree(self, inv, revision_id)
1380
def get_ancestry(self, revision_id, topo_sorted=True):
1381
"""Return a list of revision-ids integrated by a revision.
1383
The first element of the list is always None, indicating the origin
1384
revision. This might change when we have history horizons, or
1385
perhaps we should have a new API.
1387
This is topologically sorted.
1389
if _mod_revision.is_null(revision_id):
1391
revision_id = osutils.safe_revision_id(revision_id)
1392
if not self.has_revision(revision_id):
1393
raise errors.NoSuchRevision(self, revision_id)
1394
w = self.get_inventory_weave()
1395
candidates = w.get_ancestry(revision_id, topo_sorted)
1396
return [None] + candidates # self._eliminate_revisions_not_present(candidates)
1399
"""Compress the data within the repository.
1401
This operation only makes sense for some repository types. For other
1402
types it should be a no-op that just returns.
1404
This stub method does not require a lock, but subclasses should use
1405
@needs_write_lock as this is a long running call its reasonable to
1406
implicitly lock for the user.
1410
def print_file(self, file, revision_id):
1411
"""Print `file` to stdout.
1413
FIXME RBC 20060125 as John Meinel points out this is a bad api
1414
- it writes to stdout, it assumes that that is valid etc. Fix
1415
by creating a new more flexible convenience function.
1417
revision_id = osutils.safe_revision_id(revision_id)
1418
tree = self.revision_tree(revision_id)
1419
# use inventory as it was in that revision
1420
file_id = tree.inventory.path2id(file)
1422
# TODO: jam 20060427 Write a test for this code path
1423
# it had a bug in it, and was raising the wrong
1425
raise errors.BzrError("%r is not present in revision %s" % (file, revision_id))
1426
tree.print_file(file_id)
1428
def get_transaction(self):
1429
return self.control_files.get_transaction()
1431
def revision_parents(self, revision_id):
1432
revision_id = osutils.safe_revision_id(revision_id)
1433
return self.get_inventory_weave().parent_names(revision_id)
1435
def get_parents(self, revision_ids):
1436
"""See StackedParentsProvider.get_parents"""
1438
for revision_id in revision_ids:
1439
if revision_id == _mod_revision.NULL_REVISION:
1443
parents = self.get_revision(revision_id).parent_ids
1444
except errors.NoSuchRevision:
1447
if len(parents) == 0:
1448
parents = [_mod_revision.NULL_REVISION]
1449
parents_list.append(parents)
1452
def _make_parents_provider(self):
1455
def get_graph(self, other_repository=None):
1456
"""Return the graph walker for this repository format"""
1457
parents_provider = self._make_parents_provider()
1458
if (other_repository is not None and
1459
other_repository.bzrdir.transport.base !=
1460
self.bzrdir.transport.base):
1461
parents_provider = graph._StackedParentsProvider(
1462
[parents_provider, other_repository._make_parents_provider()])
1463
return graph.Graph(parents_provider)
1466
def set_make_working_trees(self, new_value):
1467
"""Set the policy flag for making working trees when creating branches.
1469
This only applies to branches that use this repository.
1471
The default is 'True'.
1472
:param new_value: True to restore the default, False to disable making
1475
raise NotImplementedError(self.set_make_working_trees)
1477
def make_working_trees(self):
1478
"""Returns the policy for making working trees on new branches."""
1479
raise NotImplementedError(self.make_working_trees)
1482
def sign_revision(self, revision_id, gpg_strategy):
1483
revision_id = osutils.safe_revision_id(revision_id)
1484
plaintext = Testament.from_revision(self, revision_id).as_short_text()
1485
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
1488
def has_signature_for_revision_id(self, revision_id):
1489
"""Query for a revision signature for revision_id in the repository."""
1490
revision_id = osutils.safe_revision_id(revision_id)
1491
return self._revision_store.has_signature(revision_id,
1492
self.get_transaction())
1495
def get_signature_text(self, revision_id):
1496
"""Return the text for a signature."""
1497
revision_id = osutils.safe_revision_id(revision_id)
1498
return self._revision_store.get_signature_text(revision_id,
1499
self.get_transaction())
1502
def check(self, revision_ids):
1503
"""Check consistency of all history of given revision_ids.
1505
Different repository implementations should override _check().
1507
:param revision_ids: A non-empty list of revision_ids whose ancestry
1508
will be checked. Typically the last revision_id of a branch.
1510
if not revision_ids:
1511
raise ValueError("revision_ids must be non-empty in %s.check"
1513
revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
1514
return self._check(revision_ids)
1516
def _check(self, revision_ids):
1517
result = check.Check(self)
1521
def _warn_if_deprecated(self):
1522
global _deprecation_warning_done
1523
if _deprecation_warning_done:
1525
_deprecation_warning_done = True
1526
warning("Format %s for %s is deprecated - please use 'bzr upgrade' to get better performance"
1527
% (self._format, self.bzrdir.transport.base))
1529
def supports_rich_root(self):
1530
return self._format.rich_root_data
1532
def _check_ascii_revisionid(self, revision_id, method):
1533
"""Private helper for ascii-only repositories."""
1534
# weave repositories refuse to store revisionids that are non-ascii.
1535
if revision_id is not None:
1536
# weaves require ascii revision ids.
1537
if isinstance(revision_id, unicode):
1539
revision_id.encode('ascii')
1540
except UnicodeEncodeError:
1541
raise errors.NonAsciiRevisionId(method, self)
1544
revision_id.decode('ascii')
1545
except UnicodeDecodeError:
1546
raise errors.NonAsciiRevisionId(method, self)
1550
# remove these delegates a while after bzr 0.15
1551
def __make_delegated(name, from_module):
1552
def _deprecated_repository_forwarder():
1553
symbol_versioning.warn('%s moved to %s in bzr 0.15'
1554
% (name, from_module),
1557
m = __import__(from_module, globals(), locals(), [name])
1559
return getattr(m, name)
1560
except AttributeError:
1561
raise AttributeError('module %s has no name %s'
1563
globals()[name] = _deprecated_repository_forwarder
1566
'AllInOneRepository',
1567
'WeaveMetaDirRepository',
1568
'PreSplitOutRepositoryFormat',
1569
'RepositoryFormat4',
1570
'RepositoryFormat5',
1571
'RepositoryFormat6',
1572
'RepositoryFormat7',
1574
__make_delegated(_name, 'bzrlib.repofmt.weaverepo')
1578
'RepositoryFormatKnit',
1579
'RepositoryFormatKnit1',
1581
__make_delegated(_name, 'bzrlib.repofmt.knitrepo')
1584
def install_revision(repository, rev, revision_tree):
1585
"""Install all revision data into a repository."""
1586
present_parents = []
1588
for p_id in rev.parent_ids:
1589
if repository.has_revision(p_id):
1590
present_parents.append(p_id)
1591
parent_trees[p_id] = repository.revision_tree(p_id)
1593
parent_trees[p_id] = repository.revision_tree(None)
1595
inv = revision_tree.inventory
1596
entries = inv.iter_entries()
1597
# backwards compatibility hack: skip the root id.
1598
if not repository.supports_rich_root():
1599
path, root = entries.next()
1600
if root.revision != rev.revision_id:
1601
raise errors.IncompatibleRevision(repr(repository))
1602
# Add the texts that are not already present
1603
for path, ie in entries:
1604
w = repository.weave_store.get_weave_or_empty(ie.file_id,
1605
repository.get_transaction())
1606
if ie.revision not in w:
1608
# FIXME: TODO: The following loop *may* be overlapping/duplicate
1609
# with InventoryEntry.find_previous_heads(). if it is, then there
1610
# is a latent bug here where the parents may have ancestors of each
1612
for revision, tree in parent_trees.iteritems():
1613
if ie.file_id not in tree:
1615
parent_id = tree.inventory[ie.file_id].revision
1616
if parent_id in text_parents:
1618
text_parents.append(parent_id)
1620
vfile = repository.weave_store.get_weave_or_empty(ie.file_id,
1621
repository.get_transaction())
1622
lines = revision_tree.get_file(ie.file_id).readlines()
1623
vfile.add_lines(rev.revision_id, text_parents, lines)
1625
# install the inventory
1626
repository.add_inventory(rev.revision_id, inv, present_parents)
1627
except errors.RevisionAlreadyPresent:
1629
repository.add_revision(rev.revision_id, rev, inv)
1632
class MetaDirRepository(Repository):
1633
"""Repositories in the new meta-dir layout."""
1635
def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
1636
super(MetaDirRepository, self).__init__(_format,
1642
dir_mode = self.control_files._dir_mode
1643
file_mode = self.control_files._file_mode
1646
def is_shared(self):
1647
"""Return True if this repository is flagged as a shared repository."""
1648
return self.control_files._transport.has('shared-storage')
1651
def set_make_working_trees(self, new_value):
1652
"""Set the policy flag for making working trees when creating branches.
1654
This only applies to branches that use this repository.
1656
The default is 'True'.
1657
:param new_value: True to restore the default, False to disable making
1662
self.control_files._transport.delete('no-working-trees')
1663
except errors.NoSuchFile:
1666
self.control_files.put_utf8('no-working-trees', '')
1668
def make_working_trees(self):
1669
"""Returns the policy for making working trees on new branches."""
1670
return not self.control_files._transport.has('no-working-trees')
1673
class RepositoryFormatRegistry(registry.Registry):
1674
"""Registry of RepositoryFormats.
1677
def get(self, format_string):
1678
r = registry.Registry.get(self, format_string)
1684
format_registry = RepositoryFormatRegistry()
1685
"""Registry of formats, indexed by their identifying format string.
1687
This can contain either format instances themselves, or classes/factories that
1688
can be called to obtain one.
1692
#####################################################################
1693
# Repository Formats
1695
class RepositoryFormat(object):
1696
"""A repository format.
1698
Formats provide three things:
1699
* An initialization routine to construct repository data on disk.
1700
* a format string which is used when the BzrDir supports versioned
1702
* an open routine which returns a Repository instance.
1704
Formats are placed in an dict by their format string for reference
1705
during opening. These should be subclasses of RepositoryFormat
1708
Once a format is deprecated, just deprecate the initialize and open
1709
methods on the format class. Do not deprecate the object, as the
1710
object will be created every system load.
1712
Common instance attributes:
1713
_matchingbzrdir - the bzrdir format that the repository format was
1714
originally written to work with. This can be used if manually
1715
constructing a bzrdir and repository, or more commonly for test suite
1720
return "<%s>" % self.__class__.__name__
1722
def __eq__(self, other):
1723
# format objects are generally stateless
1724
return isinstance(other, self.__class__)
1726
def __ne__(self, other):
1727
return not self == other
1730
def find_format(klass, a_bzrdir):
1731
"""Return the format for the repository object in a_bzrdir.
1733
This is used by bzr native formats that have a "format" file in
1734
the repository. Other methods may be used by different types of
1738
transport = a_bzrdir.get_repository_transport(None)
1739
format_string = transport.get("format").read()
1740
return format_registry.get(format_string)
1741
except errors.NoSuchFile:
1742
raise errors.NoRepositoryPresent(a_bzrdir)
1744
raise errors.UnknownFormatError(format=format_string)
1747
def register_format(klass, format):
1748
format_registry.register(format.get_format_string(), format)
1751
def unregister_format(klass, format):
1752
format_registry.remove(format.get_format_string())
1755
def get_default_format(klass):
1756
"""Return the current default format."""
1757
from bzrlib import bzrdir
1758
return bzrdir.format_registry.make_bzrdir('default').repository_format
1760
def _get_control_store(self, repo_transport, control_files):
1761
"""Return the control store for this repository."""
1762
raise NotImplementedError(self._get_control_store)
1764
def get_format_string(self):
1765
"""Return the ASCII format string that identifies this format.
1767
Note that in pre format ?? repositories the format string is
1768
not permitted nor written to disk.
1770
raise NotImplementedError(self.get_format_string)
1772
def get_format_description(self):
1773
"""Return the short description for this format."""
1774
raise NotImplementedError(self.get_format_description)
1776
def _get_revision_store(self, repo_transport, control_files):
1777
"""Return the revision store object for this a_bzrdir."""
1778
raise NotImplementedError(self._get_revision_store)
1780
def _get_text_rev_store(self,
1787
"""Common logic for getting a revision store for a repository.
1789
see self._get_revision_store for the subclass-overridable method to
1790
get the store for a repository.
1792
from bzrlib.store.revision.text import TextRevisionStore
1793
dir_mode = control_files._dir_mode
1794
file_mode = control_files._file_mode
1795
text_store = TextStore(transport.clone(name),
1797
compressed=compressed,
1799
file_mode=file_mode)
1800
_revision_store = TextRevisionStore(text_store, serializer)
1801
return _revision_store
1803
# TODO: this shouldn't be in the base class, it's specific to things that
1804
# use weaves or knits -- mbp 20070207
1805
def _get_versioned_file_store(self,
1810
versionedfile_class=None,
1811
versionedfile_kwargs={},
1813
if versionedfile_class is None:
1814
versionedfile_class = self._versionedfile_class
1815
weave_transport = control_files._transport.clone(name)
1816
dir_mode = control_files._dir_mode
1817
file_mode = control_files._file_mode
1818
return VersionedFileStore(weave_transport, prefixed=prefixed,
1820
file_mode=file_mode,
1821
versionedfile_class=versionedfile_class,
1822
versionedfile_kwargs=versionedfile_kwargs,
1825
def initialize(self, a_bzrdir, shared=False):
1826
"""Initialize a repository of this format in a_bzrdir.
1828
:param a_bzrdir: The bzrdir to put the new repository in it.
1829
:param shared: The repository should be initialized as a sharable one.
1830
:returns: The new repository object.
1832
This may raise UninitializableFormat if shared repository are not
1833
compatible the a_bzrdir.
1835
raise NotImplementedError(self.initialize)
1837
def is_supported(self):
1838
"""Is this format supported?
1840
Supported formats must be initializable and openable.
1841
Unsupported formats may not support initialization or committing or
1842
some other features depending on the reason for not being supported.
1846
def check_conversion_target(self, target_format):
1847
raise NotImplementedError(self.check_conversion_target)
1849
def open(self, a_bzrdir, _found=False):
1850
"""Return an instance of this format for the bzrdir a_bzrdir.
1852
_found is a private parameter, do not use it.
1854
raise NotImplementedError(self.open)
1857
class MetaDirRepositoryFormat(RepositoryFormat):
1858
"""Common base class for the new repositories using the metadir layout."""
1860
rich_root_data = False
1861
supports_tree_reference = False
1862
_matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1865
super(MetaDirRepositoryFormat, self).__init__()
1867
def _create_control_files(self, a_bzrdir):
1868
"""Create the required files and the initial control_files object."""
1869
# FIXME: RBC 20060125 don't peek under the covers
1870
# NB: no need to escape relative paths that are url safe.
1871
repository_transport = a_bzrdir.get_repository_transport(self)
1872
control_files = lockable_files.LockableFiles(repository_transport,
1873
'lock', lockdir.LockDir)
1874
control_files.create_lock()
1875
return control_files
1877
def _upload_blank_content(self, a_bzrdir, dirs, files, utf8_files, shared):
1878
"""Upload the initial blank content."""
1879
control_files = self._create_control_files(a_bzrdir)
1880
control_files.lock_write()
1882
control_files._transport.mkdir_multi(dirs,
1883
mode=control_files._dir_mode)
1884
for file, content in files:
1885
control_files.put(file, content)
1886
for file, content in utf8_files:
1887
control_files.put_utf8(file, content)
1889
control_files.put_utf8('shared-storage', '')
1891
control_files.unlock()
1894
# formats which have no format string are not discoverable
1895
# and not independently creatable, so are not registered. They're
1896
# all in bzrlib.repofmt.weaverepo now. When an instance of one of these is
1897
# needed, it's constructed directly by the BzrDir. Non-native formats where
1898
# the repository is not separately opened are similar.
1900
format_registry.register_lazy(
1901
'Bazaar-NG Repository format 7',
1902
'bzrlib.repofmt.weaverepo',
1906
# KEEP in sync with bzrdir.format_registry default, which controls the overall
1907
# default control directory format
1908
format_registry.register_lazy(
1909
'Bazaar-NG Knit Repository Format 1',
1910
'bzrlib.repofmt.knitrepo',
1911
'RepositoryFormatKnit1',
1913
format_registry.default_key = 'Bazaar-NG Knit Repository Format 1'
1915
format_registry.register_lazy(
1916
'Bazaar Knit Repository Format 3 (bzr 0.15)\n',
1917
'bzrlib.repofmt.knitrepo',
1918
'RepositoryFormatKnit3',
1922
class InterRepository(InterObject):
1923
"""This class represents operations taking place between two repositories.
1925
Its instances have methods like copy_content and fetch, and contain
1926
references to the source and target repositories these operations can be
1929
Often we will provide convenience methods on 'repository' which carry out
1930
operations with another repository - they will always forward to
1931
InterRepository.get(other).method_name(parameters).
1935
"""The available optimised InterRepository types."""
1937
def copy_content(self, revision_id=None):
1938
raise NotImplementedError(self.copy_content)
1940
def fetch(self, revision_id=None, pb=None):
1941
"""Fetch the content required to construct revision_id.
1943
The content is copied from self.source to self.target.
1945
:param revision_id: if None all content is copied, if NULL_REVISION no
1947
:param pb: optional progress bar to use for progress reports. If not
1948
provided a default one will be created.
1950
Returns the copied revision count and the failed revisions in a tuple:
1953
raise NotImplementedError(self.fetch)
1956
def missing_revision_ids(self, revision_id=None):
1957
"""Return the revision ids that source has that target does not.
1959
These are returned in topological order.
1961
:param revision_id: only return revision ids included by this
1964
# generic, possibly worst case, slow code path.
1965
target_ids = set(self.target.all_revision_ids())
1966
if revision_id is not None:
1967
# TODO: jam 20070210 InterRepository is internal enough that it
1968
# should assume revision_ids are already utf-8
1969
revision_id = osutils.safe_revision_id(revision_id)
1970
source_ids = self.source.get_ancestry(revision_id)
1971
assert source_ids[0] is None
1974
source_ids = self.source.all_revision_ids()
1975
result_set = set(source_ids).difference(target_ids)
1976
# this may look like a no-op: its not. It preserves the ordering
1977
# other_ids had while only returning the members from other_ids
1978
# that we've decided we need.
1979
return [rev_id for rev_id in source_ids if rev_id in result_set]
1982
def _same_model(source, target):
1983
"""True if source and target have the same data representation."""
1984
if source.supports_rich_root() != target.supports_rich_root():
1986
if source._serializer != target._serializer:
1991
class InterSameDataRepository(InterRepository):
1992
"""Code for converting between repositories that represent the same data.
1994
Data format and model must match for this to work.
1998
def _get_repo_format_to_test(self):
1999
"""Repository format for testing with.
2001
InterSameData can pull from subtree to subtree and from non-subtree to
2002
non-subtree, so we test this with the richest repository format.
2004
from bzrlib.repofmt import knitrepo
2005
return knitrepo.RepositoryFormatKnit3()
2008
def is_compatible(source, target):
2009
return InterRepository._same_model(source, target)
2012
def copy_content(self, revision_id=None):
2013
"""Make a complete copy of the content in self into destination.
2015
This copies both the repository's revision data, and configuration information
2016
such as the make_working_trees setting.
2018
This is a destructive operation! Do not use it on existing
2021
:param revision_id: Only copy the content needed to construct
2022
revision_id and its parents.
2025
self.target.set_make_working_trees(self.source.make_working_trees())
2026
except NotImplementedError:
2028
# TODO: jam 20070210 This is fairly internal, so we should probably
2029
# just assert that revision_id is not unicode.
2030
revision_id = osutils.safe_revision_id(revision_id)
2031
# but don't bother fetching if we have the needed data now.
2032
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
2033
self.target.has_revision(revision_id)):
2035
self.target.fetch(self.source, revision_id=revision_id)
2038
def fetch(self, revision_id=None, pb=None):
2039
"""See InterRepository.fetch()."""
2040
from bzrlib.fetch import GenericRepoFetcher
2041
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2042
self.source, self.source._format, self.target,
2043
self.target._format)
2044
# TODO: jam 20070210 This should be an assert, not a translate
2045
revision_id = osutils.safe_revision_id(revision_id)
2046
f = GenericRepoFetcher(to_repository=self.target,
2047
from_repository=self.source,
2048
last_revision=revision_id,
2050
return f.count_copied, f.failed_revisions
2053
class InterWeaveRepo(InterSameDataRepository):
2054
"""Optimised code paths between Weave based repositories.
2056
This should be in bzrlib/repofmt/weaverepo.py but we have not yet
2057
implemented lazy inter-object optimisation.
2061
def _get_repo_format_to_test(self):
2062
from bzrlib.repofmt import weaverepo
2063
return weaverepo.RepositoryFormat7()
2066
def is_compatible(source, target):
2067
"""Be compatible with known Weave formats.
2069
We don't test for the stores being of specific types because that
2070
could lead to confusing results, and there is no need to be
2073
from bzrlib.repofmt.weaverepo import (
2079
return (isinstance(source._format, (RepositoryFormat5,
2081
RepositoryFormat7)) and
2082
isinstance(target._format, (RepositoryFormat5,
2084
RepositoryFormat7)))
2085
except AttributeError:
2089
def copy_content(self, revision_id=None):
2090
"""See InterRepository.copy_content()."""
2091
# weave specific optimised path:
2092
# TODO: jam 20070210 Internal, should be an assert, not translate
2093
revision_id = osutils.safe_revision_id(revision_id)
2095
self.target.set_make_working_trees(self.source.make_working_trees())
2096
except NotImplementedError:
2098
# FIXME do not peek!
2099
if self.source.control_files._transport.listable():
2100
pb = ui.ui_factory.nested_progress_bar()
2102
self.target.weave_store.copy_all_ids(
2103
self.source.weave_store,
2105
from_transaction=self.source.get_transaction(),
2106
to_transaction=self.target.get_transaction())
2107
pb.update('copying inventory', 0, 1)
2108
self.target.control_weaves.copy_multi(
2109
self.source.control_weaves, ['inventory'],
2110
from_transaction=self.source.get_transaction(),
2111
to_transaction=self.target.get_transaction())
2112
self.target._revision_store.text_store.copy_all_ids(
2113
self.source._revision_store.text_store,
2118
self.target.fetch(self.source, revision_id=revision_id)
2121
def fetch(self, revision_id=None, pb=None):
2122
"""See InterRepository.fetch()."""
2123
from bzrlib.fetch import GenericRepoFetcher
2124
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2125
self.source, self.source._format, self.target, self.target._format)
2126
# TODO: jam 20070210 This should be an assert, not a translate
2127
revision_id = osutils.safe_revision_id(revision_id)
2128
f = GenericRepoFetcher(to_repository=self.target,
2129
from_repository=self.source,
2130
last_revision=revision_id,
2132
return f.count_copied, f.failed_revisions
2135
def missing_revision_ids(self, revision_id=None):
2136
"""See InterRepository.missing_revision_ids()."""
2137
# we want all revisions to satisfy revision_id in source.
2138
# but we don't want to stat every file here and there.
2139
# we want then, all revisions other needs to satisfy revision_id
2140
# checked, but not those that we have locally.
2141
# so the first thing is to get a subset of the revisions to
2142
# satisfy revision_id in source, and then eliminate those that
2143
# we do already have.
2144
# this is slow on high latency connection to self, but as as this
2145
# disk format scales terribly for push anyway due to rewriting
2146
# inventory.weave, this is considered acceptable.
2148
if revision_id is not None:
2149
source_ids = self.source.get_ancestry(revision_id)
2150
assert source_ids[0] is None
2153
source_ids = self.source._all_possible_ids()
2154
source_ids_set = set(source_ids)
2155
# source_ids is the worst possible case we may need to pull.
2156
# now we want to filter source_ids against what we actually
2157
# have in target, but don't try to check for existence where we know
2158
# we do not have a revision as that would be pointless.
2159
target_ids = set(self.target._all_possible_ids())
2160
possibly_present_revisions = target_ids.intersection(source_ids_set)
2161
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
2162
required_revisions = source_ids_set.difference(actually_present_revisions)
2163
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
2164
if revision_id is not None:
2165
# we used get_ancestry to determine source_ids then we are assured all
2166
# revisions referenced are present as they are installed in topological order.
2167
# and the tip revision was validated by get_ancestry.
2168
return required_topo_revisions
2170
# if we just grabbed the possibly available ids, then
2171
# we only have an estimate of whats available and need to validate
2172
# that against the revision records.
2173
return self.source._eliminate_revisions_not_present(required_topo_revisions)
2176
class InterKnitRepo(InterSameDataRepository):
2177
"""Optimised code paths between Knit based repositories."""
2180
def _get_repo_format_to_test(self):
2181
from bzrlib.repofmt import knitrepo
2182
return knitrepo.RepositoryFormatKnit1()
2185
def is_compatible(source, target):
2186
"""Be compatible with known Knit formats.
2188
We don't test for the stores being of specific types because that
2189
could lead to confusing results, and there is no need to be
2192
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit
2194
are_knits = (isinstance(source._format, RepositoryFormatKnit) and
2195
isinstance(target._format, RepositoryFormatKnit))
2196
except AttributeError:
2198
return are_knits and InterRepository._same_model(source, target)
2201
def fetch(self, revision_id=None, pb=None):
2202
"""See InterRepository.fetch()."""
2203
from bzrlib.fetch import KnitRepoFetcher
2204
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2205
self.source, self.source._format, self.target, self.target._format)
2206
# TODO: jam 20070210 This should be an assert, not a translate
2207
revision_id = osutils.safe_revision_id(revision_id)
2208
f = KnitRepoFetcher(to_repository=self.target,
2209
from_repository=self.source,
2210
last_revision=revision_id,
2212
return f.count_copied, f.failed_revisions
2215
def missing_revision_ids(self, revision_id=None):
2216
"""See InterRepository.missing_revision_ids()."""
2217
if revision_id is not None:
2218
source_ids = self.source.get_ancestry(revision_id)
2219
assert source_ids[0] is None
2222
source_ids = self.source.all_revision_ids()
2223
source_ids_set = set(source_ids)
2224
# source_ids is the worst possible case we may need to pull.
2225
# now we want to filter source_ids against what we actually
2226
# have in target, but don't try to check for existence where we know
2227
# we do not have a revision as that would be pointless.
2228
target_ids = set(self.target.all_revision_ids())
2229
possibly_present_revisions = target_ids.intersection(source_ids_set)
2230
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
2231
required_revisions = source_ids_set.difference(actually_present_revisions)
2232
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
2233
if revision_id is not None:
2234
# we used get_ancestry to determine source_ids then we are assured all
2235
# revisions referenced are present as they are installed in topological order.
2236
# and the tip revision was validated by get_ancestry.
2237
return required_topo_revisions
2239
# if we just grabbed the possibly available ids, then
2240
# we only have an estimate of whats available and need to validate
2241
# that against the revision records.
2242
return self.source._eliminate_revisions_not_present(required_topo_revisions)
2245
class InterModel1and2(InterRepository):
2248
def _get_repo_format_to_test(self):
2252
def is_compatible(source, target):
2253
if not source.supports_rich_root() and target.supports_rich_root():
2259
def fetch(self, revision_id=None, pb=None):
2260
"""See InterRepository.fetch()."""
2261
from bzrlib.fetch import Model1toKnit2Fetcher
2262
# TODO: jam 20070210 This should be an assert, not a translate
2263
revision_id = osutils.safe_revision_id(revision_id)
2264
f = Model1toKnit2Fetcher(to_repository=self.target,
2265
from_repository=self.source,
2266
last_revision=revision_id,
2268
return f.count_copied, f.failed_revisions
2271
def copy_content(self, revision_id=None):
2272
"""Make a complete copy of the content in self into destination.
2274
This is a destructive operation! Do not use it on existing
2277
:param revision_id: Only copy the content needed to construct
2278
revision_id and its parents.
2281
self.target.set_make_working_trees(self.source.make_working_trees())
2282
except NotImplementedError:
2284
# TODO: jam 20070210 Internal, assert, don't translate
2285
revision_id = osutils.safe_revision_id(revision_id)
2286
# but don't bother fetching if we have the needed data now.
2287
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
2288
self.target.has_revision(revision_id)):
2290
self.target.fetch(self.source, revision_id=revision_id)
2293
class InterKnit1and2(InterKnitRepo):
2296
def _get_repo_format_to_test(self):
2300
def is_compatible(source, target):
2301
"""Be compatible with Knit1 source and Knit3 target"""
2302
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit3
2304
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit1, \
2305
RepositoryFormatKnit3
2306
return (isinstance(source._format, (RepositoryFormatKnit1)) and
2307
isinstance(target._format, (RepositoryFormatKnit3)))
2308
except AttributeError:
2312
def fetch(self, revision_id=None, pb=None):
2313
"""See InterRepository.fetch()."""
2314
from bzrlib.fetch import Knit1to2Fetcher
2315
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2316
self.source, self.source._format, self.target,
2317
self.target._format)
2318
# TODO: jam 20070210 This should be an assert, not a translate
2319
revision_id = osutils.safe_revision_id(revision_id)
2320
f = Knit1to2Fetcher(to_repository=self.target,
2321
from_repository=self.source,
2322
last_revision=revision_id,
2324
return f.count_copied, f.failed_revisions
2327
class InterRemoteRepository(InterRepository):
2328
"""Code for converting between RemoteRepository objects.
2330
This just gets an non-remote repository from the RemoteRepository, and calls
2331
InterRepository.get again.
2334
def __init__(self, source, target):
2335
if isinstance(source, remote.RemoteRepository):
2336
source._ensure_real()
2337
real_source = source._real_repository
2339
real_source = source
2340
if isinstance(target, remote.RemoteRepository):
2341
target._ensure_real()
2342
real_target = target._real_repository
2344
real_target = target
2345
self.real_inter = InterRepository.get(real_source, real_target)
2348
def is_compatible(source, target):
2349
if isinstance(source, remote.RemoteRepository):
2351
if isinstance(target, remote.RemoteRepository):
2355
def copy_content(self, revision_id=None):
2356
self.real_inter.copy_content(revision_id=revision_id)
2358
def fetch(self, revision_id=None, pb=None):
2359
self.real_inter.fetch(revision_id=revision_id, pb=pb)
2362
def _get_repo_format_to_test(self):
2366
InterRepository.register_optimiser(InterSameDataRepository)
2367
InterRepository.register_optimiser(InterWeaveRepo)
2368
InterRepository.register_optimiser(InterKnitRepo)
2369
InterRepository.register_optimiser(InterModel1and2)
2370
InterRepository.register_optimiser(InterKnit1and2)
2371
InterRepository.register_optimiser(InterRemoteRepository)
2374
class CopyConverter(object):
2375
"""A repository conversion tool which just performs a copy of the content.
2377
This is slow but quite reliable.
2380
def __init__(self, target_format):
2381
"""Create a CopyConverter.
2383
:param target_format: The format the resulting repository should be.
2385
self.target_format = target_format
2387
def convert(self, repo, pb):
2388
"""Perform the conversion of to_convert, giving feedback via pb.
2390
:param to_convert: The disk object to convert.
2391
:param pb: a progress bar to use for progress information.
2396
# this is only useful with metadir layouts - separated repo content.
2397
# trigger an assertion if not such
2398
repo._format.get_format_string()
2399
self.repo_dir = repo.bzrdir
2400
self.step('Moving repository to repository.backup')
2401
self.repo_dir.transport.move('repository', 'repository.backup')
2402
backup_transport = self.repo_dir.transport.clone('repository.backup')
2403
repo._format.check_conversion_target(self.target_format)
2404
self.source_repo = repo._format.open(self.repo_dir,
2406
_override_transport=backup_transport)
2407
self.step('Creating new repository')
2408
converted = self.target_format.initialize(self.repo_dir,
2409
self.source_repo.is_shared())
2410
converted.lock_write()
2412
self.step('Copying content into repository.')
2413
self.source_repo.copy_content_into(converted)
2416
self.step('Deleting old repository content.')
2417
self.repo_dir.transport.delete_tree('repository.backup')
2418
self.pb.note('repository converted')
2420
def step(self, message):
2421
"""Update the pb by a step."""
2423
self.pb.update(message, self.count, self.total)
2435
def _unescaper(match, _map=_unescape_map):
2436
code = match.group(1)
2440
if not code.startswith('#'):
2442
return unichr(int(code[1:])).encode('utf8')
2448
def _unescape_xml(data):
2449
"""Unescape predefined XML entities in a string of data."""
2451
if _unescape_re is None:
2452
_unescape_re = re.compile('\&([^;]*);')
2453
return _unescape_re.sub(_unescaper, data)
added
removed
bzrlib/repository.py
