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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 binascii import hexlify
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from copy import deepcopy
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from unittest import TestSuite
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from bzrlib import (
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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.util import bencode
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.errors import InvalidRevisionId
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from bzrlib.graph import Graph
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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.knit import KnitVersionedFile, KnitPlainFactory
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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from bzrlib.osutils import (safe_unicode, rand_bytes, compact_date,
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from bzrlib.revision import NULL_REVISION, Revision
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from bzrlib.revisiontree import RevisionTree
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from bzrlib.store.versioned import VersionedFileStore, WeaveStore
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from bzrlib.store.text import TextStore
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (deprecated_method,
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from bzrlib.symbol_versioning import (
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from bzrlib.testament import Testament
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from bzrlib.trace import mutter, note, warning
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from bzrlib.tsort import topo_sort
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from bzrlib.weave import WeaveFile
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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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self._committer = committer
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self.new_inventory = Inventory(None)
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self._new_revision_id = revision_id
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self.parents = parents
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self.repository = repository
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if revprops is not None:
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self._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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self.__heads = graph.HeadsCache(repository.get_graph()).heads
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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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raise AssertionError('Root entry should be supplied to'
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' record_entry_contents, as of bzr 0.10.')
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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 _heads(self, file_id, revision_ids):
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"""Calculate the graph heads for revision_ids in the graph of file_id.
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This can use either a per-file graph or a global revision graph as we
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have an identity relationship between the two graphs.
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return self.__heads(revision_ids)
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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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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 not self._versioned_root and path == '':
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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 in basis_inv:
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delta = (basis_inv.id2path(ie.file_id), path,
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delta = (None, path, ie.file_id, ie)
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# we don't need to commit this, because the caller already
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# determined that an existing revision of this file is
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# appropriate. If its not being considered for committing then
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# it and all its parents to the root must be unaltered so
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# no-change against the basis.
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if ie.revision == self._new_revision_id:
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raise AssertionError("Impossible situation, a skipped "
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"inventory entry (%r) claims to be modified in this "
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"commit (%r).", (ie, self._new_revision_id))
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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._heads(ie.file_id, 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 content_summary[2] is None:
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raise ValueError("Files must not have executable = None")
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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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# 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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parent_keys = tuple((file_id, parent) for parent in parents)
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return self.repository.texts.add_lines(
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(file_id, self._new_revision_id), parent_keys, 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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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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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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The Repository builds on top of some byte storage facilies (the revisions,
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signatures, inventories and texts attributes) and a Transport, which
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respectively provide byte storage and a means to access the (possibly
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The byte storage facilities are addressed via tuples, which we refer to
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as 'keys' throughout the code base. Revision_keys, inventory_keys and
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signature_keys are all 1-tuples: (revision_id,). text_keys are two-tuples:
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(file_id, revision_id). We use this interface because it allows low
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friction with the underlying code that implements disk indices, network
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encoding and other parts of bzrlib.
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:ivar revisions: A bzrlib.versionedfile.VersionedFiles instance containing
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the serialised revisions for the repository. This can be used to obtain
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revision graph information or to access raw serialised revisions.
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The result of trying to insert data into the repository via this store
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is undefined: it should be considered read-only except for implementors
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:ivar signatures: A bzrlib.versionedfile.VersionedFiles instance containing
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the serialised signatures for the repository. This can be used to
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obtain access to raw serialised signatures. The result of trying to
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insert data into the repository via this store is undefined: it should
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be considered read-only except for implementors of repositories.
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:ivar inventories: A bzrlib.versionedfile.VersionedFiles instance containing
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the serialised inventories for the repository. This can be used to
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obtain unserialised inventories. The result of trying to insert data
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into the repository via this store is undefined: it should be
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considered read-only except for implementors of repositories.
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:ivar texts: A bzrlib.versionedfile.VersionedFiles instance containing the
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texts of files and directories for the repository. This can be used to
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obtain file texts or file graphs. Note that Repository.iter_file_bytes
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is usually a better interface for accessing file texts.
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The result of trying to insert data into the repository via this store
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is undefined: it should be considered read-only except for implementors
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:ivar _transport: Transport for file access to repository, typically
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pointing to .bzr/repository.
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def add_inventory(self, revid, inv, parents):
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"""Add the inventory inv to the repository as revid.
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:param parents: The revision ids of the parents that revid
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# 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_fallback_repository(self, repository):
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"""Add a repository to use for looking up data not held locally.
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:param repository: A repository.
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if not self._format.supports_external_lookups:
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raise errors.UnstackableRepositoryFormat(self._format, self.base)
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self._check_fallback_repository(repository)
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self._fallback_repositories.append(repository)
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self.texts.add_fallback_versioned_files(repository.texts)
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self.inventories.add_fallback_versioned_files(repository.inventories)
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self.revisions.add_fallback_versioned_files(repository.revisions)
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self.signatures.add_fallback_versioned_files(repository.signatures)
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def _check_fallback_repository(self, repository):
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"""Check that this repository can fallback to repository safely.
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Raise an error if not.
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:param repository: A repository to fallback to.
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return InterRepository._assert_same_model(self, repository)
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def add_inventory(self, 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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:returns: The validator(which is a sha1 digest, though what is sha'd is
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repository format specific) of the serialized inventory.
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assert inv.revision_id is None or inv.revision_id == revid, \
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"Mismatch between inventory revision" \
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" id and insertion revid (%r, %r)" % (inv.revision_id, revid)
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assert inv.root is not None
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inv_text = self.serialise_inventory(inv)
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inv_sha1 = osutils.sha_string(inv_text)
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inv_vf = self.control_weaves.get_weave('inventory',
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self.get_transaction())
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self._inventory_add_lines(inv_vf, revid, parents, osutils.split_lines(inv_text))
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def _inventory_add_lines(self, inv_vf, revid, parents, lines):
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for parent in parents:
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final_parents.append(parent)
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inv_vf.add_lines(revid, final_parents, lines)
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def add_revision(self, rev_id, rev, inv=None, config=None):
106
"""Add rev to the revision store as rev_id.
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:param rev_id: the revision id to use.
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if not self.is_in_write_group():
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raise AssertionError("%r not in write group" % (self,))
566
_mod_revision.check_not_reserved_id(revision_id)
567
if not (inv.revision_id is None or inv.revision_id == revision_id):
568
raise AssertionError(
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"Mismatch between inventory revision"
570
" id and insertion revid (%r, %r)"
571
% (inv.revision_id, revision_id))
573
raise AssertionError()
574
inv_lines = self._serialise_inventory_to_lines(inv)
575
return self._inventory_add_lines(revision_id, parents,
576
inv_lines, check_content=False)
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def _inventory_add_lines(self, revision_id, parents, lines,
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"""Store lines in inv_vf and return the sha1 of the inventory."""
581
parents = [(parent,) for parent in parents]
582
return self.inventories.add_lines((revision_id,), parents, lines,
583
check_content=check_content)[0]
585
def add_revision(self, revision_id, rev, inv=None, config=None):
586
"""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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591
up in the inventory storer
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682
# the following are part of the public API for Repository:
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683
self.bzrdir = a_bzrdir
197
684
self.control_files = control_files
198
self._revision_store = _revision_store
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self.text_store = text_store
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# backwards compatibility
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self.weave_store = text_store
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self._transport = control_files._transport
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self.base = self._transport.base
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self._reconcile_does_inventory_gc = True
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self._reconcile_fixes_text_parents = False
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self._reconcile_backsup_inventory = 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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693
# TODO: make sure to construct the right store classes, etc, depending
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# on whether escaping is required.
208
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self._warn_if_deprecated()
209
self._serializer = xml5.serializer_v5
696
self._write_group = None
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# Additional places to query for data.
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self._fallback_repositories = []
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# What order should fetch operations request streams in?
700
# The default is unsorted as that is the cheapest for an origin to
702
self._fetch_order = 'unsorted'
703
# Does this repository use deltas that can be fetched as-deltas ?
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# (E.g. knits, where the knit deltas can be transplanted intact.
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# We default to False, which will ensure that enough data to get
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# a full text out of any fetch stream will be grabbed.
707
self._fetch_uses_deltas = False
708
# Should fetch trigger a reconcile after the fetch? Only needed for
709
# some repository formats that can suffer internal inconsistencies.
710
self._fetch_reconcile = False
211
712
def __repr__(self):
212
return '%s(%r)' % (self.__class__.__name__,
213
self.bzrdir.transport.base)
713
return '%s(%r)' % (self.__class__.__name__,
716
def has_same_location(self, other):
717
"""Returns a boolean indicating if this repository is at the same
718
location as another repository.
720
This might return False even when two repository objects are accessing
721
the same physical repository via different URLs.
723
if self.__class__ is not other.__class__:
725
return (self._transport.base == other._transport.base)
727
def is_in_write_group(self):
728
"""Return True if there is an open write group.
730
:seealso: start_write_group.
732
return self._write_group is not None
215
734
def is_locked(self):
216
735
return self.control_files.is_locked()
218
def lock_write(self):
219
self.control_files.lock_write()
737
def is_write_locked(self):
738
"""Return True if this object is write locked."""
739
return self.is_locked() and self.control_files._lock_mode == 'w'
741
def lock_write(self, token=None):
742
"""Lock this repository for writing.
744
This causes caching within the repository obejct to start accumlating
745
data during reads, and allows a 'write_group' to be obtained. Write
746
groups must be used for actual data insertion.
748
:param token: if this is already locked, then lock_write will fail
749
unless the token matches the existing lock.
750
:returns: a token if this instance supports tokens, otherwise None.
751
:raises TokenLockingNotSupported: when a token is given but this
752
instance doesn't support using token locks.
753
:raises MismatchedToken: if the specified token doesn't match the token
754
of the existing lock.
755
:seealso: start_write_group.
757
A token should be passed in if you know that you have locked the object
758
some other way, and need to synchronise this object's state with that
761
XXX: this docstring is duplicated in many places, e.g. lockable_files.py
763
result = self.control_files.lock_write(token=token)
764
for repo in self._fallback_repositories:
765
# Writes don't affect fallback repos
221
770
def lock_read(self):
222
771
self.control_files.lock_read()
772
for repo in self._fallback_repositories:
224
776
def get_physical_lock_status(self):
225
777
return self.control_files.get_physical_lock_status()
228
def missing_revision_ids(self, other, revision_id=None):
229
"""Return the revision ids that other has that this does not.
231
These are returned in topological order.
233
revision_id: only return revision ids included by revision_id.
235
return InterRepository.get(other, self).missing_revision_ids(revision_id)
779
def leave_lock_in_place(self):
780
"""Tell this repository not to release the physical lock when this
783
If lock_write doesn't return a token, then this method is not supported.
785
self.control_files.leave_in_place()
787
def dont_leave_lock_in_place(self):
788
"""Tell this repository to release the physical lock when this
789
object is unlocked, even if it didn't originally acquire it.
791
If lock_write doesn't return a token, then this method is not supported.
793
self.control_files.dont_leave_in_place()
796
def gather_stats(self, revid=None, committers=None):
797
"""Gather statistics from a revision id.
799
:param revid: The revision id to gather statistics from, if None, then
800
no revision specific statistics are gathered.
801
:param committers: Optional parameter controlling whether to grab
802
a count of committers from the revision specific statistics.
803
:return: A dictionary of statistics. Currently this contains:
804
committers: The number of committers if requested.
805
firstrev: A tuple with timestamp, timezone for the penultimate left
806
most ancestor of revid, if revid is not the NULL_REVISION.
807
latestrev: A tuple with timestamp, timezone for revid, if revid is
808
not the NULL_REVISION.
809
revisions: The total revision count in the repository.
810
size: An estimate disk size of the repository in bytes.
813
if revid and committers:
814
result['committers'] = 0
815
if revid and revid != _mod_revision.NULL_REVISION:
817
all_committers = set()
818
revisions = self.get_ancestry(revid)
819
# pop the leading None
821
first_revision = None
823
# ignore the revisions in the middle - just grab first and last
824
revisions = revisions[0], revisions[-1]
825
for revision in self.get_revisions(revisions):
826
if not first_revision:
827
first_revision = revision
829
all_committers.add(revision.committer)
830
last_revision = revision
832
result['committers'] = len(all_committers)
833
result['firstrev'] = (first_revision.timestamp,
834
first_revision.timezone)
835
result['latestrev'] = (last_revision.timestamp,
836
last_revision.timezone)
838
# now gather global repository information
839
# XXX: This is available for many repos regardless of listability.
840
if self.bzrdir.root_transport.listable():
841
# XXX: do we want to __define len__() ?
842
# Maybe the versionedfiles object should provide a different
843
# method to get the number of keys.
844
result['revisions'] = len(self.revisions.keys())
848
def find_branches(self, using=False):
849
"""Find branches underneath this repository.
851
This will include branches inside other branches.
853
:param using: If True, list only branches using this repository.
855
if using and not self.is_shared():
857
return [self.bzrdir.open_branch()]
858
except errors.NotBranchError:
860
class Evaluator(object):
863
self.first_call = True
865
def __call__(self, bzrdir):
866
# On the first call, the parameter is always the bzrdir
867
# containing the current repo.
868
if not self.first_call:
870
repository = bzrdir.open_repository()
871
except errors.NoRepositoryPresent:
874
return False, (None, repository)
875
self.first_call = False
877
value = (bzrdir.open_branch(), None)
878
except errors.NotBranchError:
883
for branch, repository in bzrdir.BzrDir.find_bzrdirs(
884
self.bzrdir.root_transport, evaluate=Evaluator()):
885
if branch is not None:
886
branches.append(branch)
887
if not using and repository is not None:
888
branches.extend(repository.find_branches())
892
def search_missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
893
"""Return the revision ids that other has that this does not.
895
These are returned in topological order.
897
revision_id: only return revision ids included by revision_id.
899
return InterRepository.get(other, self).search_missing_revision_ids(
900
revision_id, find_ghosts)
902
@deprecated_method(one_two)
904
def missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
905
"""Return the revision ids that other has that this does not.
907
These are returned in topological order.
909
revision_id: only return revision ids included by revision_id.
911
keys = self.search_missing_revision_ids(
912
other, revision_id, find_ghosts).get_keys()
915
parents = other.get_graph().get_parent_map(keys)
918
return tsort.topo_sort(parents)
244
927
control = bzrdir.BzrDir.open(base)
245
928
return control.open_repository()
247
def copy_content_into(self, destination, revision_id=None, basis=None):
930
def copy_content_into(self, destination, revision_id=None):
248
931
"""Make a complete copy of the content in self into destination.
250
933
This is a destructive operation! Do not use it on existing
253
return InterRepository.get(self, destination).copy_content(revision_id, basis)
255
def fetch(self, source, revision_id=None, pb=None):
936
return InterRepository.get(self, destination).copy_content(revision_id)
938
def commit_write_group(self):
939
"""Commit the contents accrued within the current write group.
941
:seealso: start_write_group.
943
if self._write_group is not self.get_transaction():
944
# has an unlock or relock occured ?
945
raise errors.BzrError('mismatched lock context %r and '
947
(self.get_transaction(), self._write_group))
948
self._commit_write_group()
949
self._write_group = None
951
def _commit_write_group(self):
952
"""Template method for per-repository write group cleanup.
954
This is called before the write group is considered to be
955
finished and should ensure that all data handed to the repository
956
for writing during the write group is safely committed (to the
957
extent possible considering file system caching etc).
960
def fetch(self, source, revision_id=None, pb=None, find_ghosts=False):
256
961
"""Fetch the content required to construct revision_id from source.
258
963
If revision_id is None all content is copied.
964
:param find_ghosts: Find and copy revisions in the source that are
965
ghosts in the target (and not reachable directly by walking out to
966
the first-present revision in target from revision_id).
260
return InterRepository.get(source, self).fetch(revision_id=revision_id,
263
def get_commit_builder(self, branch, parents, config, timestamp=None,
264
timezone=None, committer=None, revprops=None,
968
# fast path same-url fetch operations
969
if self.has_same_location(source):
970
# check that last_revision is in 'from' and then return a
972
if (revision_id is not None and
973
not _mod_revision.is_null(revision_id)):
974
self.get_revision(revision_id)
976
# if there is no specific appropriate InterRepository, this will get
977
# the InterRepository base class, which raises an
978
# IncompatibleRepositories when asked to fetch.
979
inter = InterRepository.get(source, self)
980
return inter.fetch(revision_id=revision_id, pb=pb,
981
find_ghosts=find_ghosts)
983
def create_bundle(self, target, base, fileobj, format=None):
984
return serializer.write_bundle(self, target, base, fileobj, format)
986
def get_commit_builder(self, branch, parents, config, timestamp=None,
987
timezone=None, committer=None, revprops=None,
265
988
revision_id=None):
266
989
"""Obtain a CommitBuilder for this repository.
274
997
:param revprops: Optional dictionary of revision properties.
275
998
:param revision_id: Optional revision id.
277
return _CommitBuilder(self, parents, config, timestamp, timezone,
278
committer, revprops, revision_id)
1000
result = self._commit_builder_class(self, parents, config,
1001
timestamp, timezone, committer, revprops, revision_id)
1002
self.start_write_group()
280
1005
def unlock(self):
1006
if (self.control_files._lock_count == 1 and
1007
self.control_files._lock_mode == 'w'):
1008
if self._write_group is not None:
1009
self.abort_write_group()
1010
self.control_files.unlock()
1011
raise errors.BzrError(
1012
'Must end write groups before releasing write locks.')
281
1013
self.control_files.unlock()
1014
for repo in self._fallback_repositories:
283
1017
@needs_read_lock
284
def clone(self, a_bzrdir, revision_id=None, basis=None):
1018
def clone(self, a_bzrdir, revision_id=None):
285
1019
"""Clone this repository into a_bzrdir using the current format.
287
1021
Currently no check is made that the format of this repository and
288
1022
the bzrdir format are compatible. FIXME RBC 20060201.
1024
:return: The newly created destination repository.
1026
# TODO: deprecate after 0.16; cloning this with all its settings is
1027
# probably not very useful -- mbp 20070423
1028
dest_repo = self._create_sprouting_repo(a_bzrdir, shared=self.is_shared())
1029
self.copy_content_into(dest_repo, revision_id)
1032
def start_write_group(self):
1033
"""Start a write group in the repository.
1035
Write groups are used by repositories which do not have a 1:1 mapping
1036
between file ids and backend store to manage the insertion of data from
1037
both fetch and commit operations.
1039
A write lock is required around the start_write_group/commit_write_group
1040
for the support of lock-requiring repository formats.
1042
One can only insert data into a repository inside a write group.
1046
if not self.is_write_locked():
1047
raise errors.NotWriteLocked(self)
1048
if self._write_group:
1049
raise errors.BzrError('already in a write group')
1050
self._start_write_group()
1051
# so we can detect unlock/relock - the write group is now entered.
1052
self._write_group = self.get_transaction()
1054
def _start_write_group(self):
1055
"""Template method for per-repository write group startup.
1057
This is called before the write group is considered to be
1062
def sprout(self, to_bzrdir, revision_id=None):
1063
"""Create a descendent repository for new development.
1065
Unlike clone, this does not copy the settings of the repository.
1067
dest_repo = self._create_sprouting_repo(to_bzrdir, shared=False)
1068
dest_repo.fetch(self, revision_id=revision_id)
1071
def _create_sprouting_repo(self, a_bzrdir, shared):
290
1072
if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
291
1073
# use target default format.
292
result = a_bzrdir.create_repository()
293
# FIXME RBC 20060209 split out the repository type to avoid this check ?
294
elif isinstance(a_bzrdir._format,
295
(bzrdir.BzrDirFormat4,
296
bzrdir.BzrDirFormat5,
297
bzrdir.BzrDirFormat6)):
298
result = a_bzrdir.open_repository()
1074
dest_repo = a_bzrdir.create_repository()
300
result = self._format.initialize(a_bzrdir, shared=self.is_shared())
301
self.copy_content_into(result, revision_id, basis)
1076
# Most control formats need the repository to be specifically
1077
# created, but on some old all-in-one formats it's not needed
1079
dest_repo = self._format.initialize(a_bzrdir, shared=shared)
1080
except errors.UninitializableFormat:
1081
dest_repo = a_bzrdir.open_repository()
304
1084
@needs_read_lock
305
1085
def has_revision(self, revision_id):
306
1086
"""True if this repository has a copy of the revision."""
307
return self._revision_store.has_revision_id(revision_id,
308
self.get_transaction())
1087
return revision_id in self.has_revisions((revision_id,))
1090
def has_revisions(self, revision_ids):
1091
"""Probe to find out the presence of multiple revisions.
1093
:param revision_ids: An iterable of revision_ids.
1094
:return: A set of the revision_ids that were present.
1096
parent_map = self.revisions.get_parent_map(
1097
[(rev_id,) for rev_id in revision_ids])
1099
if _mod_revision.NULL_REVISION in revision_ids:
1100
result.add(_mod_revision.NULL_REVISION)
1101
result.update([key[0] for key in parent_map])
1105
def get_revision(self, revision_id):
1106
"""Return the Revision object for a named revision."""
1107
return self.get_revisions([revision_id])[0]
310
1109
@needs_read_lock
311
1110
def get_revision_reconcile(self, revision_id):
380
1181
r = self.get_revision(revision_id)
381
1182
return list(self.get_deltas_for_revisions([r]))[0]
383
def _check_revision_parents(self, revision, inventory):
384
"""Private to Repository and Fetch.
386
This checks the parentage of revision in an inventory weave for
387
consistency and is only applicable to inventory-weave-for-ancestry
388
using repository formats & fetchers.
390
weave_parents = inventory.get_parents(revision.revision_id)
391
weave_names = inventory.versions()
392
for parent_id in revision.parent_ids:
393
if parent_id in weave_names:
394
# this parent must not be a ghost.
395
if not parent_id in weave_parents:
397
raise errors.CorruptRepository(self)
399
1184
@needs_write_lock
400
1185
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
401
1186
signature = gpg_strategy.sign(plaintext)
402
self._revision_store.add_revision_signature_text(revision_id,
404
self.get_transaction())
406
def fileids_altered_by_revision_ids(self, revision_ids):
407
"""Find the file ids and versions affected by revisions.
409
:param revisions: an iterable containing revision ids.
410
:return: a dictionary mapping altered file-ids to an iterable of
1187
self.add_signature_text(revision_id, signature)
1190
def add_signature_text(self, revision_id, signature):
1191
self.signatures.add_lines((revision_id,), (),
1192
osutils.split_lines(signature))
1194
def find_text_key_references(self):
1195
"""Find the text key references within the repository.
1197
:return: a dictionary mapping (file_id, revision_id) tuples to altered file-ids to an iterable of
411
1198
revision_ids. Each altered file-ids has the exact revision_ids that
412
1199
altered it listed explicitly.
414
assert self._serializer.support_altered_by_hack, \
415
("fileids_altered_by_revision_ids only supported for branches "
416
"which store inventory as unnested xml, not on %r" % self)
417
selected_revision_ids = set(revision_ids)
418
w = self.get_inventory_weave()
1200
:return: A dictionary mapping text keys ((fileid, revision_id) tuples)
1201
to whether they were referred to by the inventory of the
1202
revision_id that they contain. The inventory texts from all present
1203
revision ids are assessed to generate this report.
1205
revision_keys = self.revisions.keys()
1206
w = self.inventories
1207
pb = ui.ui_factory.nested_progress_bar()
1209
return self._find_text_key_references_from_xml_inventory_lines(
1210
w.iter_lines_added_or_present_in_keys(revision_keys, pb=pb))
1214
def _find_text_key_references_from_xml_inventory_lines(self,
1216
"""Core routine for extracting references to texts from inventories.
1218
This performs the translation of xml lines to revision ids.
1220
:param line_iterator: An iterator of lines, origin_version_id
1221
:return: A dictionary mapping text keys ((fileid, revision_id) tuples)
1222
to whether they were referred to by the inventory of the
1223
revision_id that they contain. Note that if that revision_id was
1224
not part of the line_iterator's output then False will be given -
1225
even though it may actually refer to that key.
1227
if not self._serializer.support_altered_by_hack:
1228
raise AssertionError(
1229
"_find_text_key_references_from_xml_inventory_lines only "
1230
"supported for branches which store inventory as unnested xml"
1231
", not on %r" % self)
421
1234
# this code needs to read every new line in every inventory for the
426
1239
# revisions. We don't need to see all lines in the inventory because
427
1240
# only those added in an inventory in rev X can contain a revision=X
429
for line in w.iter_lines_added_or_present_in_versions(selected_revision_ids):
430
start = line.find('file_id="')+9
431
if start < 9: continue
432
end = line.find('"', start)
434
file_id = _unescape_xml(line[start:end])
436
start = line.find('revision="')+10
437
if start < 10: continue
438
end = line.find('"', start)
440
revision_id = _unescape_xml(line[start:end])
441
if revision_id in selected_revision_ids:
442
result.setdefault(file_id, set()).add(revision_id)
446
def get_inventory_weave(self):
447
return self.control_weaves.get_weave('inventory',
448
self.get_transaction())
1242
unescape_revid_cache = {}
1243
unescape_fileid_cache = {}
1245
# jam 20061218 In a big fetch, this handles hundreds of thousands
1246
# of lines, so it has had a lot of inlining and optimizing done.
1247
# Sorry that it is a little bit messy.
1248
# Move several functions to be local variables, since this is a long
1250
search = self._file_ids_altered_regex.search
1251
unescape = _unescape_xml
1252
setdefault = result.setdefault
1253
for line, line_key in line_iterator:
1254
match = search(line)
1257
# One call to match.group() returning multiple items is quite a
1258
# bit faster than 2 calls to match.group() each returning 1
1259
file_id, revision_id = match.group('file_id', 'revision_id')
1261
# Inlining the cache lookups helps a lot when you make 170,000
1262
# lines and 350k ids, versus 8.4 unique ids.
1263
# Using a cache helps in 2 ways:
1264
# 1) Avoids unnecessary decoding calls
1265
# 2) Re-uses cached strings, which helps in future set and
1267
# (2) is enough that removing encoding entirely along with
1268
# the cache (so we are using plain strings) results in no
1269
# performance improvement.
1271
revision_id = unescape_revid_cache[revision_id]
1273
unescaped = unescape(revision_id)
1274
unescape_revid_cache[revision_id] = unescaped
1275
revision_id = unescaped
1277
# Note that unconditionally unescaping means that we deserialise
1278
# every fileid, which for general 'pull' is not great, but we don't
1279
# really want to have some many fulltexts that this matters anyway.
1282
file_id = unescape_fileid_cache[file_id]
1284
unescaped = unescape(file_id)
1285
unescape_fileid_cache[file_id] = unescaped
1288
key = (file_id, revision_id)
1289
setdefault(key, False)
1290
if revision_id == line_key[-1]:
1294
def _find_file_ids_from_xml_inventory_lines(self, line_iterator,
1296
"""Helper routine for fileids_altered_by_revision_ids.
1298
This performs the translation of xml lines to revision ids.
1300
:param line_iterator: An iterator of lines, origin_version_id
1301
:param revision_ids: The revision ids to filter for. This should be a
1302
set or other type which supports efficient __contains__ lookups, as
1303
the revision id from each parsed line will be looked up in the
1304
revision_ids filter.
1305
:return: a dictionary mapping altered file-ids to an iterable of
1306
revision_ids. Each altered file-ids has the exact revision_ids that
1307
altered it listed explicitly.
1310
setdefault = result.setdefault
1312
self._find_text_key_references_from_xml_inventory_lines(
1313
line_iterator).iterkeys():
1314
# once data is all ensured-consistent; then this is
1315
# if revision_id == version_id
1316
if key[-1:] in revision_ids:
1317
setdefault(key[0], set()).add(key[-1])
1320
def fileids_altered_by_revision_ids(self, revision_ids, _inv_weave=None):
1321
"""Find the file ids and versions affected by revisions.
1323
:param revisions: an iterable containing revision ids.
1324
:param _inv_weave: The inventory weave from this repository or None.
1325
If None, the inventory weave will be opened automatically.
1326
:return: a dictionary mapping altered file-ids to an iterable of
1327
revision_ids. Each altered file-ids has the exact revision_ids that
1328
altered it listed explicitly.
1330
selected_keys = set((revid,) for revid in revision_ids)
1331
w = _inv_weave or self.inventories
1332
pb = ui.ui_factory.nested_progress_bar()
1334
return self._find_file_ids_from_xml_inventory_lines(
1335
w.iter_lines_added_or_present_in_keys(
1336
selected_keys, pb=pb),
1341
def iter_files_bytes(self, desired_files):
1342
"""Iterate through file versions.
1344
Files will not necessarily be returned in the order they occur in
1345
desired_files. No specific order is guaranteed.
1347
Yields pairs of identifier, bytes_iterator. identifier is an opaque
1348
value supplied by the caller as part of desired_files. It should
1349
uniquely identify the file version in the caller's context. (Examples:
1350
an index number or a TreeTransform trans_id.)
1352
bytes_iterator is an iterable of bytestrings for the file. The
1353
kind of iterable and length of the bytestrings are unspecified, but for
1354
this implementation, it is a list of bytes produced by
1355
VersionedFile.get_record_stream().
1357
:param desired_files: a list of (file_id, revision_id, identifier)
1360
transaction = self.get_transaction()
1362
for file_id, revision_id, callable_data in desired_files:
1363
text_keys[(file_id, revision_id)] = callable_data
1364
for record in self.texts.get_record_stream(text_keys, 'unordered', True):
1365
if record.storage_kind == 'absent':
1366
raise errors.RevisionNotPresent(record.key, self)
1367
yield text_keys[record.key], record.get_bytes_as('fulltext')
1369
def _generate_text_key_index(self, text_key_references=None,
1371
"""Generate a new text key index for the repository.
1373
This is an expensive function that will take considerable time to run.
1375
:return: A dict mapping text keys ((file_id, revision_id) tuples) to a
1376
list of parents, also text keys. When a given key has no parents,
1377
the parents list will be [NULL_REVISION].
1379
# All revisions, to find inventory parents.
1380
if ancestors is None:
1381
graph = self.get_graph()
1382
ancestors = graph.get_parent_map(self.all_revision_ids())
1383
if text_key_references is None:
1384
text_key_references = self.find_text_key_references()
1385
pb = ui.ui_factory.nested_progress_bar()
1387
return self._do_generate_text_key_index(ancestors,
1388
text_key_references, pb)
1392
def _do_generate_text_key_index(self, ancestors, text_key_references, pb):
1393
"""Helper for _generate_text_key_index to avoid deep nesting."""
1394
revision_order = tsort.topo_sort(ancestors)
1395
invalid_keys = set()
1397
for revision_id in revision_order:
1398
revision_keys[revision_id] = set()
1399
text_count = len(text_key_references)
1400
# a cache of the text keys to allow reuse; costs a dict of all the
1401
# keys, but saves a 2-tuple for every child of a given key.
1403
for text_key, valid in text_key_references.iteritems():
1405
invalid_keys.add(text_key)
1407
revision_keys[text_key[1]].add(text_key)
1408
text_key_cache[text_key] = text_key
1409
del text_key_references
1411
text_graph = graph.Graph(graph.DictParentsProvider(text_index))
1412
NULL_REVISION = _mod_revision.NULL_REVISION
1413
# Set a cache with a size of 10 - this suffices for bzr.dev but may be
1414
# too small for large or very branchy trees. However, for 55K path
1415
# trees, it would be easy to use too much memory trivially. Ideally we
1416
# could gauge this by looking at available real memory etc, but this is
1417
# always a tricky proposition.
1418
inventory_cache = lru_cache.LRUCache(10)
1419
batch_size = 10 # should be ~150MB on a 55K path tree
1420
batch_count = len(revision_order) / batch_size + 1
1422
pb.update("Calculating text parents.", processed_texts, text_count)
1423
for offset in xrange(batch_count):
1424
to_query = revision_order[offset * batch_size:(offset + 1) *
1428
for rev_tree in self.revision_trees(to_query):
1429
revision_id = rev_tree.get_revision_id()
1430
parent_ids = ancestors[revision_id]
1431
for text_key in revision_keys[revision_id]:
1432
pb.update("Calculating text parents.", processed_texts)
1433
processed_texts += 1
1434
candidate_parents = []
1435
for parent_id in parent_ids:
1436
parent_text_key = (text_key[0], parent_id)
1438
check_parent = parent_text_key not in \
1439
revision_keys[parent_id]
1441
# the parent parent_id is a ghost:
1442
check_parent = False
1443
# truncate the derived graph against this ghost.
1444
parent_text_key = None
1446
# look at the parent commit details inventories to
1447
# determine possible candidates in the per file graph.
1450
inv = inventory_cache[parent_id]
1452
inv = self.revision_tree(parent_id).inventory
1453
inventory_cache[parent_id] = inv
1454
parent_entry = inv._byid.get(text_key[0], None)
1455
if parent_entry is not None:
1457
text_key[0], parent_entry.revision)
1459
parent_text_key = None
1460
if parent_text_key is not None:
1461
candidate_parents.append(
1462
text_key_cache[parent_text_key])
1463
parent_heads = text_graph.heads(candidate_parents)
1464
new_parents = list(parent_heads)
1465
new_parents.sort(key=lambda x:candidate_parents.index(x))
1466
if new_parents == []:
1467
new_parents = [NULL_REVISION]
1468
text_index[text_key] = new_parents
1470
for text_key in invalid_keys:
1471
text_index[text_key] = [NULL_REVISION]
1474
def item_keys_introduced_by(self, revision_ids, _files_pb=None):
1475
"""Get an iterable listing the keys of all the data introduced by a set
1478
The keys will be ordered so that the corresponding items can be safely
1479
fetched and inserted in that order.
1481
:returns: An iterable producing tuples of (knit-kind, file-id,
1482
versions). knit-kind is one of 'file', 'inventory', 'signatures',
1483
'revisions'. file-id is None unless knit-kind is 'file'.
1485
# XXX: it's a bit weird to control the inventory weave caching in this
1486
# generator. Ideally the caching would be done in fetch.py I think. Or
1487
# maybe this generator should explicitly have the contract that it
1488
# should not be iterated until the previously yielded item has been
1490
inv_w = self.inventories
1492
# file ids that changed
1493
file_ids = self.fileids_altered_by_revision_ids(revision_ids, inv_w)
1495
num_file_ids = len(file_ids)
1496
for file_id, altered_versions in file_ids.iteritems():
1497
if _files_pb is not None:
1498
_files_pb.update("fetch texts", count, num_file_ids)
1500
yield ("file", file_id, altered_versions)
1501
# We're done with the files_pb. Note that it finished by the caller,
1502
# just as it was created by the caller.
1506
yield ("inventory", None, revision_ids)
1509
revisions_with_signatures = set()
1510
for rev_id in revision_ids:
1512
self.get_signature_text(rev_id)
1513
except errors.NoSuchRevision:
1517
revisions_with_signatures.add(rev_id)
1518
yield ("signatures", None, revisions_with_signatures)
1521
yield ("revisions", None, revision_ids)
450
1523
@needs_read_lock
451
1524
def get_inventory(self, revision_id):
452
"""Get Inventory object by hash."""
453
return self.deserialise_inventory(
454
revision_id, self.get_inventory_xml(revision_id))
1525
"""Get Inventory object by revision id."""
1526
return self.iter_inventories([revision_id]).next()
1528
def iter_inventories(self, revision_ids):
1529
"""Get many inventories by revision_ids.
1531
This will buffer some or all of the texts used in constructing the
1532
inventories in memory, but will only parse a single inventory at a
1535
:return: An iterator of inventories.
1537
if ((None in revision_ids)
1538
or (_mod_revision.NULL_REVISION in revision_ids)):
1539
raise ValueError('cannot get null revision inventory')
1540
return self._iter_inventories(revision_ids)
1542
def _iter_inventories(self, revision_ids):
1543
"""single-document based inventory iteration."""
1544
for text, revision_id in self._iter_inventory_xmls(revision_ids):
1545
yield self.deserialise_inventory(revision_id, text)
1547
def _iter_inventory_xmls(self, revision_ids):
1548
keys = [(revision_id,) for revision_id in revision_ids]
1549
stream = self.inventories.get_record_stream(keys, 'unordered', True)
1551
for record in stream:
1552
if record.storage_kind != 'absent':
1553
texts[record.key] = record.get_bytes_as('fulltext')
1555
raise errors.NoSuchRevision(self, record.key)
1557
yield texts[key], key[-1]
456
1559
def deserialise_inventory(self, revision_id, xml):
457
1560
"""Transform the xml into an inventory object.
709
1861
warning("Format %s for %s is deprecated - please use 'bzr upgrade' to get better performance"
710
1862
% (self._format, self.bzrdir.transport.base))
713
class AllInOneRepository(Repository):
714
"""Legacy support - the repository behaviour for all-in-one branches."""
716
def __init__(self, _format, a_bzrdir, _revision_store, control_store, text_store):
717
# we reuse one control files instance.
718
dir_mode = a_bzrdir._control_files._dir_mode
719
file_mode = a_bzrdir._control_files._file_mode
721
def get_store(name, compressed=True, prefixed=False):
722
# FIXME: This approach of assuming stores are all entirely compressed
723
# or entirely uncompressed is tidy, but breaks upgrade from
724
# some existing branches where there's a mixture; we probably
725
# still want the option to look for both.
726
relpath = a_bzrdir._control_files._escape(name)
727
store = TextStore(a_bzrdir._control_files._transport.clone(relpath),
728
prefixed=prefixed, compressed=compressed,
731
#if self._transport.should_cache():
732
# cache_path = os.path.join(self.cache_root, name)
733
# os.mkdir(cache_path)
734
# store = bzrlib.store.CachedStore(store, cache_path)
737
# not broken out yet because the controlweaves|inventory_store
738
# and text_store | weave_store bits are still different.
739
if isinstance(_format, RepositoryFormat4):
740
# cannot remove these - there is still no consistent api
741
# which allows access to this old info.
742
self.inventory_store = get_store('inventory-store')
743
text_store = get_store('text-store')
744
super(AllInOneRepository, self).__init__(_format, a_bzrdir, a_bzrdir._control_files, _revision_store, control_store, text_store)
748
"""AllInOne repositories cannot be shared."""
752
def set_make_working_trees(self, new_value):
753
"""Set the policy flag for making working trees when creating branches.
755
This only applies to branches that use this repository.
757
The default is 'True'.
758
:param new_value: True to restore the default, False to disable making
1864
def supports_rich_root(self):
1865
return self._format.rich_root_data
1867
def _check_ascii_revisionid(self, revision_id, method):
1868
"""Private helper for ascii-only repositories."""
1869
# weave repositories refuse to store revisionids that are non-ascii.
1870
if revision_id is not None:
1871
# weaves require ascii revision ids.
1872
if isinstance(revision_id, unicode):
1874
revision_id.encode('ascii')
1875
except UnicodeEncodeError:
1876
raise errors.NonAsciiRevisionId(method, self)
1879
revision_id.decode('ascii')
1880
except UnicodeDecodeError:
1881
raise errors.NonAsciiRevisionId(method, self)
1883
def revision_graph_can_have_wrong_parents(self):
1884
"""Is it possible for this repository to have a revision graph with
1887
If True, then this repository must also implement
1888
_find_inconsistent_revision_parents so that check and reconcile can
1889
check for inconsistencies before proceeding with other checks that may
1890
depend on the revision index being consistent.
761
raise NotImplementedError(self.set_make_working_trees)
763
def make_working_trees(self):
764
"""Returns the policy for making working trees on new branches."""
1892
raise NotImplementedError(self.revision_graph_can_have_wrong_parents)
1895
# remove these delegates a while after bzr 0.15
1896
def __make_delegated(name, from_module):
1897
def _deprecated_repository_forwarder():
1898
symbol_versioning.warn('%s moved to %s in bzr 0.15'
1899
% (name, from_module),
1902
m = __import__(from_module, globals(), locals(), [name])
1904
return getattr(m, name)
1905
except AttributeError:
1906
raise AttributeError('module %s has no name %s'
1908
globals()[name] = _deprecated_repository_forwarder
1911
'AllInOneRepository',
1912
'WeaveMetaDirRepository',
1913
'PreSplitOutRepositoryFormat',
1914
'RepositoryFormat4',
1915
'RepositoryFormat5',
1916
'RepositoryFormat6',
1917
'RepositoryFormat7',
1919
__make_delegated(_name, 'bzrlib.repofmt.weaverepo')
1923
'RepositoryFormatKnit',
1924
'RepositoryFormatKnit1',
1926
__make_delegated(_name, 'bzrlib.repofmt.knitrepo')
768
1929
def install_revision(repository, rev, revision_tree):
769
1930
"""Install all revision data into a repository."""
1931
install_revisions(repository, [(rev, revision_tree, None)])
1934
def install_revisions(repository, iterable, num_revisions=None, pb=None):
1935
"""Install all revision data into a repository.
1937
Accepts an iterable of revision, tree, signature tuples. The signature
1940
repository.start_write_group()
1942
for n, (revision, revision_tree, signature) in enumerate(iterable):
1943
_install_revision(repository, revision, revision_tree, signature)
1945
pb.update('Transferring revisions', n + 1, num_revisions)
1947
repository.abort_write_group()
1950
repository.commit_write_group()
1953
def _install_revision(repository, rev, revision_tree, signature):
1954
"""Install all revision data into a repository."""
770
1955
present_parents = []
771
1956
parent_trees = {}
772
1957
for p_id in rev.parent_ids:
777
1962
parent_trees[p_id] = repository.revision_tree(None)
779
1964
inv = revision_tree.inventory
781
# backwards compatability hack: skip the root id.
782
1965
entries = inv.iter_entries()
1966
# backwards compatibility hack: skip the root id.
1967
if not repository.supports_rich_root():
1968
path, root = entries.next()
1969
if root.revision != rev.revision_id:
1970
raise errors.IncompatibleRevision(repr(repository))
1972
for path, ie in entries:
1973
text_keys[(ie.file_id, ie.revision)] = ie
1974
text_parent_map = repository.texts.get_parent_map(text_keys)
1975
missing_texts = set(text_keys) - set(text_parent_map)
784
1976
# Add the texts that are not already present
785
for path, ie in entries:
786
w = repository.weave_store.get_weave_or_empty(ie.file_id,
787
repository.get_transaction())
788
if ie.revision not in w:
790
# FIXME: TODO: The following loop *may* be overlapping/duplicate
791
# with InventoryEntry.find_previous_heads(). if it is, then there
792
# is a latent bug here where the parents may have ancestors of each
794
for revision, tree in parent_trees.iteritems():
795
if ie.file_id not in tree:
797
parent_id = tree.inventory[ie.file_id].revision
798
if parent_id in text_parents:
800
text_parents.append(parent_id)
802
vfile = repository.weave_store.get_weave_or_empty(ie.file_id,
803
repository.get_transaction())
804
lines = revision_tree.get_file(ie.file_id).readlines()
805
vfile.add_lines(rev.revision_id, text_parents, lines)
1977
for text_key in missing_texts:
1978
ie = text_keys[text_key]
1980
# FIXME: TODO: The following loop overlaps/duplicates that done by
1981
# commit to determine parents. There is a latent/real bug here where
1982
# the parents inserted are not those commit would do - in particular
1983
# they are not filtered by heads(). RBC, AB
1984
for revision, tree in parent_trees.iteritems():
1985
if ie.file_id not in tree:
1987
parent_id = tree.inventory[ie.file_id].revision
1988
if parent_id in text_parents:
1990
text_parents.append((ie.file_id, parent_id))
1991
lines = revision_tree.get_file(ie.file_id).readlines()
1992
repository.texts.add_lines(text_key, text_parents, lines)
807
1994
# install the inventory
808
1995
repository.add_inventory(rev.revision_id, inv, present_parents)
809
1996
except errors.RevisionAlreadyPresent:
1998
if signature is not None:
1999
repository.add_signature_text(rev.revision_id, signature)
811
2000
repository.add_revision(rev.revision_id, rev, inv)
814
2003
class MetaDirRepository(Repository):
815
"""Repositories in the new meta-dir layout."""
817
def __init__(self, _format, a_bzrdir, control_files, _revision_store, control_store, text_store):
818
super(MetaDirRepository, self).__init__(_format,
824
dir_mode = self.control_files._dir_mode
825
file_mode = self.control_files._file_mode
2004
"""Repositories in the new meta-dir layout.
2006
:ivar _transport: Transport for access to repository control files,
2007
typically pointing to .bzr/repository.
2010
def __init__(self, _format, a_bzrdir, control_files):
2011
super(MetaDirRepository, self).__init__(_format, a_bzrdir, control_files)
2012
self._transport = control_files._transport
828
2014
def is_shared(self):
829
2015
"""Return True if this repository is flagged as a shared repository."""
830
return self.control_files._transport.has('shared-storage')
2016
return self._transport.has('shared-storage')
832
2018
@needs_write_lock
833
2019
def set_make_working_trees(self, new_value):
844
self.control_files._transport.delete('no-working-trees')
2030
self._transport.delete('no-working-trees')
845
2031
except errors.NoSuchFile:
848
self.control_files.put_utf8('no-working-trees', '')
2034
self._transport.put_bytes('no-working-trees', '',
2035
mode=self.bzrdir._get_file_mode())
850
2037
def make_working_trees(self):
851
2038
"""Returns the policy for making working trees on new branches."""
852
return not self.control_files._transport.has('no-working-trees')
855
class KnitRepository(MetaDirRepository):
856
"""Knit format repository."""
858
def _warn_if_deprecated(self):
859
# This class isn't deprecated
862
def _inventory_add_lines(self, inv_vf, revid, parents, lines):
863
inv_vf.add_lines_with_ghosts(revid, parents, lines)
866
def _all_revision_ids(self):
867
"""See Repository.all_revision_ids()."""
868
# Knits get the revision graph from the index of the revision knit, so
869
# it's always possible even if they're on an unlistable transport.
870
return self._revision_store.all_revision_ids(self.get_transaction())
872
def fileid_involved_between_revs(self, from_revid, to_revid):
873
"""Find file_id(s) which are involved in the changes between revisions.
875
This determines the set of revisions which are involved, and then
876
finds all file ids affected by those revisions.
878
vf = self._get_revision_vf()
879
from_set = set(vf.get_ancestry(from_revid))
880
to_set = set(vf.get_ancestry(to_revid))
881
changed = to_set.difference(from_set)
882
return self._fileid_involved_by_set(changed)
884
def fileid_involved(self, last_revid=None):
885
"""Find all file_ids modified in the ancestry of last_revid.
887
:param last_revid: If None, last_revision() will be used.
890
changed = set(self.all_revision_ids())
892
changed = set(self.get_ancestry(last_revid))
895
return self._fileid_involved_by_set(changed)
898
def get_ancestry(self, revision_id):
899
"""Return a list of revision-ids integrated by a revision.
901
This is topologically sorted.
903
if revision_id is None:
905
vf = self._get_revision_vf()
907
return [None] + vf.get_ancestry(revision_id)
908
except errors.RevisionNotPresent:
909
raise errors.NoSuchRevision(self, revision_id)
912
def get_revision(self, revision_id):
913
"""Return the Revision object for a named revision"""
914
return self.get_revision_reconcile(revision_id)
917
def get_revision_graph(self, revision_id=None):
918
"""Return a dictionary containing the revision graph.
920
:param revision_id: The revision_id to get a graph from. If None, then
921
the entire revision graph is returned. This is a deprecated mode of
922
operation and will be removed in the future.
923
:return: a dictionary of revision_id->revision_parents_list.
925
# special case NULL_REVISION
926
if revision_id == NULL_REVISION:
928
weave = self._get_revision_vf()
929
entire_graph = weave.get_graph()
930
if revision_id is None:
931
return weave.get_graph()
932
elif revision_id not in weave:
933
raise errors.NoSuchRevision(self, revision_id)
935
# add what can be reached from revision_id
937
pending = set([revision_id])
938
while len(pending) > 0:
940
result[node] = weave.get_parents(node)
941
for revision_id in result[node]:
942
if revision_id not in result:
943
pending.add(revision_id)
947
def get_revision_graph_with_ghosts(self, revision_ids=None):
948
"""Return a graph of the revisions with ghosts marked as applicable.
950
:param revision_ids: an iterable of revisions to graph or None for all.
951
:return: a Graph object with the graph reachable from revision_ids.
954
vf = self._get_revision_vf()
955
versions = set(vf.versions())
957
pending = set(self.all_revision_ids())
960
pending = set(revision_ids)
961
# special case NULL_REVISION
962
if NULL_REVISION in pending:
963
pending.remove(NULL_REVISION)
964
required = set(pending)
967
revision_id = pending.pop()
968
if not revision_id in versions:
969
if revision_id in required:
970
raise errors.NoSuchRevision(self, revision_id)
972
result.add_ghost(revision_id)
973
# mark it as done so we don't try for it again.
974
done.add(revision_id)
976
parent_ids = vf.get_parents_with_ghosts(revision_id)
977
for parent_id in parent_ids:
978
# is this queued or done ?
979
if (parent_id not in pending and
980
parent_id not in done):
982
pending.add(parent_id)
983
result.add_node(revision_id, parent_ids)
984
done.add(revision_id)
987
def _get_revision_vf(self):
988
""":return: a versioned file containing the revisions."""
989
vf = self._revision_store.get_revision_file(self.get_transaction())
993
def reconcile(self, other=None, thorough=False):
994
"""Reconcile this repository."""
995
from bzrlib.reconcile import KnitReconciler
996
reconciler = KnitReconciler(self, thorough=thorough)
997
reconciler.reconcile()
2039
return not self._transport.has('no-working-trees')
2042
class MetaDirVersionedFileRepository(MetaDirRepository):
2043
"""Repositories in a meta-dir, that work via versioned file objects."""
2045
def __init__(self, _format, a_bzrdir, control_files):
2046
super(MetaDirVersionedFileRepository, self).__init__(_format, a_bzrdir,
2050
class RepositoryFormatRegistry(registry.Registry):
2051
"""Registry of RepositoryFormats."""
2053
def get(self, format_string):
2054
r = registry.Registry.get(self, format_string)
1000
def revision_parents(self, revision_id):
1001
return self._get_revision_vf().get_parents(revision_id)
1004
class KnitRepository2(KnitRepository):
1006
def __init__(self, _format, a_bzrdir, control_files, _revision_store,
1007
control_store, text_store):
1008
KnitRepository.__init__(self, _format, a_bzrdir, control_files,
1009
_revision_store, control_store, text_store)
1010
self._serializer = xml6.serializer_v6
1012
def deserialise_inventory(self, revision_id, xml):
1013
"""Transform the xml into an inventory object.
1015
:param revision_id: The expected revision id of the inventory.
1016
:param xml: A serialised inventory.
1018
result = self._serializer.read_inventory_from_string(xml)
1019
assert result.root.revision is not None
1022
def serialise_inventory(self, inv):
1023
"""Transform the inventory object into XML text.
1025
:param revision_id: The expected revision id of the inventory.
1026
:param xml: A serialised inventory.
1028
assert inv.revision_id is not None
1029
assert inv.root.revision is not None
1030
return KnitRepository.serialise_inventory(self, inv)
1032
def get_commit_builder(self, branch, parents, config, timestamp=None,
1033
timezone=None, committer=None, revprops=None,
1035
"""Obtain a CommitBuilder for this repository.
1037
:param branch: Branch to commit to.
1038
:param parents: Revision ids of the parents of the new revision.
1039
:param config: Configuration to use.
1040
:param timestamp: Optional timestamp recorded for commit.
1041
:param timezone: Optional timezone for timestamp.
1042
:param committer: Optional committer to set for commit.
1043
:param revprops: Optional dictionary of revision properties.
1044
:param revision_id: Optional revision id.
1046
return RootCommitBuilder(self, parents, config, timestamp, timezone,
1047
committer, revprops, revision_id)
2060
format_registry = RepositoryFormatRegistry()
2061
"""Registry of formats, indexed by their identifying format string.
2063
This can contain either format instances themselves, or classes/factories that
2064
can be called to obtain one.
2068
#####################################################################
2069
# Repository Formats
1050
2071
class RepositoryFormat(object):
1051
2072
"""A repository format.
1188
2212
raise NotImplementedError(self.open)
1191
def register_format(klass, format):
1192
klass._formats[format.get_format_string()] = format
1195
def set_default_format(klass, format):
1196
klass._default_format = format
1199
def unregister_format(klass, format):
1200
assert klass._formats[format.get_format_string()] is format
1201
del klass._formats[format.get_format_string()]
1204
class PreSplitOutRepositoryFormat(RepositoryFormat):
1205
"""Base class for the pre split out repository formats."""
1207
rich_root_data = False
1209
def initialize(self, a_bzrdir, shared=False, _internal=False):
1210
"""Create a weave repository.
1212
TODO: when creating split out bzr branch formats, move this to a common
1213
base for Format5, Format6. or something like that.
1215
from bzrlib.weavefile import write_weave_v5
1216
from bzrlib.weave import Weave
1219
raise errors.IncompatibleFormat(self, a_bzrdir._format)
1222
# always initialized when the bzrdir is.
1223
return self.open(a_bzrdir, _found=True)
1225
# Create an empty weave
1227
write_weave_v5(Weave(), sio)
1228
empty_weave = sio.getvalue()
1230
mutter('creating repository in %s.', a_bzrdir.transport.base)
1231
dirs = ['revision-store', 'weaves']
1232
files = [('inventory.weave', StringIO(empty_weave)),
1235
# FIXME: RBC 20060125 don't peek under the covers
1236
# NB: no need to escape relative paths that are url safe.
1237
control_files = LockableFiles(a_bzrdir.transport, 'branch-lock',
1239
control_files.create_lock()
1240
control_files.lock_write()
1241
control_files._transport.mkdir_multi(dirs,
1242
mode=control_files._dir_mode)
1244
for file, content in files:
1245
control_files.put(file, content)
1247
control_files.unlock()
1248
return self.open(a_bzrdir, _found=True)
1250
def _get_control_store(self, repo_transport, control_files):
1251
"""Return the control store for this repository."""
1252
return self._get_versioned_file_store('',
1257
def _get_text_store(self, transport, control_files):
1258
"""Get a store for file texts for this format."""
1259
raise NotImplementedError(self._get_text_store)
1261
def open(self, a_bzrdir, _found=False):
1262
"""See RepositoryFormat.open()."""
1264
# we are being called directly and must probe.
1265
raise NotImplementedError
1267
repo_transport = a_bzrdir.get_repository_transport(None)
1268
control_files = a_bzrdir._control_files
1269
text_store = self._get_text_store(repo_transport, control_files)
1270
control_store = self._get_control_store(repo_transport, control_files)
1271
_revision_store = self._get_revision_store(repo_transport, control_files)
1272
return AllInOneRepository(_format=self,
1274
_revision_store=_revision_store,
1275
control_store=control_store,
1276
text_store=text_store)
1278
def check_conversion_target(self, target_format):
1282
class RepositoryFormat4(PreSplitOutRepositoryFormat):
1283
"""Bzr repository format 4.
1285
This repository format has:
1287
- TextStores for texts, inventories,revisions.
1289
This format is deprecated: it indexes texts using a text id which is
1290
removed in format 5; initialization and write support for this format
1295
super(RepositoryFormat4, self).__init__()
1296
self._matchingbzrdir = bzrdir.BzrDirFormat4()
1298
def get_format_description(self):
1299
"""See RepositoryFormat.get_format_description()."""
1300
return "Repository format 4"
1302
def initialize(self, url, shared=False, _internal=False):
1303
"""Format 4 branches cannot be created."""
1304
raise errors.UninitializableFormat(self)
1306
def is_supported(self):
1307
"""Format 4 is not supported.
1309
It is not supported because the model changed from 4 to 5 and the
1310
conversion logic is expensive - so doing it on the fly was not
1315
def _get_control_store(self, repo_transport, control_files):
1316
"""Format 4 repositories have no formal control store at this point.
1318
This will cause any control-file-needing apis to fail - this is desired.
1322
def _get_revision_store(self, repo_transport, control_files):
1323
"""See RepositoryFormat._get_revision_store()."""
1324
from bzrlib.xml4 import serializer_v4
1325
return self._get_text_rev_store(repo_transport,
1328
serializer=serializer_v4)
1330
def _get_text_store(self, transport, control_files):
1331
"""See RepositoryFormat._get_text_store()."""
1334
class RepositoryFormat5(PreSplitOutRepositoryFormat):
1335
"""Bzr control format 5.
1337
This repository format has:
1338
- weaves for file texts and inventory
1340
- TextStores for revisions and signatures.
1344
super(RepositoryFormat5, self).__init__()
1345
self._matchingbzrdir = bzrdir.BzrDirFormat5()
1347
def get_format_description(self):
1348
"""See RepositoryFormat.get_format_description()."""
1349
return "Weave repository format 5"
1351
def _get_revision_store(self, repo_transport, control_files):
1352
"""See RepositoryFormat._get_revision_store()."""
1353
"""Return the revision store object for this a_bzrdir."""
1354
return self._get_text_rev_store(repo_transport,
1359
def _get_text_store(self, transport, control_files):
1360
"""See RepositoryFormat._get_text_store()."""
1361
return self._get_versioned_file_store('weaves', transport, control_files, prefixed=False)
1364
class RepositoryFormat6(PreSplitOutRepositoryFormat):
1365
"""Bzr control format 6.
1367
This repository format has:
1368
- weaves for file texts and inventory
1369
- hash subdirectory based stores.
1370
- TextStores for revisions and signatures.
1374
super(RepositoryFormat6, self).__init__()
1375
self._matchingbzrdir = bzrdir.BzrDirFormat6()
1377
def get_format_description(self):
1378
"""See RepositoryFormat.get_format_description()."""
1379
return "Weave repository format 6"
1381
def _get_revision_store(self, repo_transport, control_files):
1382
"""See RepositoryFormat._get_revision_store()."""
1383
return self._get_text_rev_store(repo_transport,
1389
def _get_text_store(self, transport, control_files):
1390
"""See RepositoryFormat._get_text_store()."""
1391
return self._get_versioned_file_store('weaves', transport, control_files)
1394
2215
class MetaDirRepositoryFormat(RepositoryFormat):
1395
2216
"""Common base class for the new repositories using the metadir layout."""
1397
2218
rich_root_data = False
2219
supports_tree_reference = False
2220
supports_external_lookups = False
2221
_matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1399
2223
def __init__(self):
1400
2224
super(MetaDirRepositoryFormat, self).__init__()
1401
self._matchingbzrdir = bzrdir.BzrDirMetaFormat1()
1403
2226
def _create_control_files(self, a_bzrdir):
1404
2227
"""Create the required files and the initial control_files object."""
1405
2228
# FIXME: RBC 20060125 don't peek under the covers
1406
2229
# NB: no need to escape relative paths that are url safe.
1407
2230
repository_transport = a_bzrdir.get_repository_transport(self)
1408
control_files = LockableFiles(repository_transport, 'lock', LockDir)
2231
control_files = lockable_files.LockableFiles(repository_transport,
2232
'lock', lockdir.LockDir)
1409
2233
control_files.create_lock()
1410
2234
return control_files
1413
2237
"""Upload the initial blank content."""
1414
2238
control_files = self._create_control_files(a_bzrdir)
1415
2239
control_files.lock_write()
2240
transport = control_files._transport
2242
utf8_files += [('shared-storage', '')]
1417
control_files._transport.mkdir_multi(dirs,
1418
mode=control_files._dir_mode)
1419
for file, content in files:
1420
control_files.put(file, content)
1421
for file, content in utf8_files:
1422
control_files.put_utf8(file, content)
1424
control_files.put_utf8('shared-storage', '')
2244
transport.mkdir_multi(dirs, mode=a_bzrdir._get_dir_mode())
2245
for (filename, content_stream) in files:
2246
transport.put_file(filename, content_stream,
2247
mode=a_bzrdir._get_file_mode())
2248
for (filename, content_bytes) in utf8_files:
2249
transport.put_bytes_non_atomic(filename, content_bytes,
2250
mode=a_bzrdir._get_file_mode())
1426
2252
control_files.unlock()
1429
class RepositoryFormat7(MetaDirRepositoryFormat):
1430
"""Bzr repository 7.
1432
This repository format has:
1433
- weaves for file texts and inventory
1434
- hash subdirectory based stores.
1435
- TextStores for revisions and signatures.
1436
- a format marker of its own
1437
- an optional 'shared-storage' flag
1438
- an optional 'no-working-trees' flag
1441
def _get_control_store(self, repo_transport, control_files):
1442
"""Return the control store for this repository."""
1443
return self._get_versioned_file_store('',
1448
def get_format_string(self):
1449
"""See RepositoryFormat.get_format_string()."""
1450
return "Bazaar-NG Repository format 7"
1452
def get_format_description(self):
1453
"""See RepositoryFormat.get_format_description()."""
1454
return "Weave repository format 7"
1456
def check_conversion_target(self, target_format):
1459
def _get_revision_store(self, repo_transport, control_files):
1460
"""See RepositoryFormat._get_revision_store()."""
1461
return self._get_text_rev_store(repo_transport,
1468
def _get_text_store(self, transport, control_files):
1469
"""See RepositoryFormat._get_text_store()."""
1470
return self._get_versioned_file_store('weaves',
1474
def initialize(self, a_bzrdir, shared=False):
1475
"""Create a weave repository.
1477
:param shared: If true the repository will be initialized as a shared
1480
from bzrlib.weavefile import write_weave_v5
1481
from bzrlib.weave import Weave
1483
# Create an empty weave
1485
write_weave_v5(Weave(), sio)
1486
empty_weave = sio.getvalue()
1488
mutter('creating repository in %s.', a_bzrdir.transport.base)
1489
dirs = ['revision-store', 'weaves']
1490
files = [('inventory.weave', StringIO(empty_weave)),
1492
utf8_files = [('format', self.get_format_string())]
1494
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1495
return self.open(a_bzrdir=a_bzrdir, _found=True)
1497
def open(self, a_bzrdir, _found=False, _override_transport=None):
1498
"""See RepositoryFormat.open().
1500
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1501
repository at a slightly different url
1502
than normal. I.e. during 'upgrade'.
1505
format = RepositoryFormat.find_format(a_bzrdir)
1506
assert format.__class__ == self.__class__
1507
if _override_transport is not None:
1508
repo_transport = _override_transport
1510
repo_transport = a_bzrdir.get_repository_transport(None)
1511
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1512
text_store = self._get_text_store(repo_transport, control_files)
1513
control_store = self._get_control_store(repo_transport, control_files)
1514
_revision_store = self._get_revision_store(repo_transport, control_files)
1515
return MetaDirRepository(_format=self,
1517
control_files=control_files,
1518
_revision_store=_revision_store,
1519
control_store=control_store,
1520
text_store=text_store)
1523
class RepositoryFormatKnit(MetaDirRepositoryFormat):
1524
"""Bzr repository knit format (generalized).
1526
This repository format has:
1527
- knits for file texts and inventory
1528
- hash subdirectory based stores.
1529
- knits for revisions and signatures
1530
- TextStores for revisions and signatures.
1531
- a format marker of its own
1532
- an optional 'shared-storage' flag
1533
- an optional 'no-working-trees' flag
1537
def _get_control_store(self, repo_transport, control_files):
1538
"""Return the control store for this repository."""
1539
return VersionedFileStore(
1542
file_mode=control_files._file_mode,
1543
versionedfile_class=KnitVersionedFile,
1544
versionedfile_kwargs={'factory':KnitPlainFactory()},
1547
def _get_revision_store(self, repo_transport, control_files):
1548
"""See RepositoryFormat._get_revision_store()."""
1549
from bzrlib.store.revision.knit import KnitRevisionStore
1550
versioned_file_store = VersionedFileStore(
1552
file_mode=control_files._file_mode,
1555
versionedfile_class=KnitVersionedFile,
1556
versionedfile_kwargs={'delta':False, 'factory':KnitPlainFactory(),},
1559
return KnitRevisionStore(versioned_file_store)
1561
def _get_text_store(self, transport, control_files):
1562
"""See RepositoryFormat._get_text_store()."""
1563
return self._get_versioned_file_store('knits',
1566
versionedfile_class=KnitVersionedFile,
1567
versionedfile_kwargs={
1568
'create_parent_dir':True,
1569
'delay_create':True,
1570
'dir_mode':control_files._dir_mode,
1574
def initialize(self, a_bzrdir, shared=False):
1575
"""Create a knit format 1 repository.
1577
:param a_bzrdir: bzrdir to contain the new repository; must already
1579
:param shared: If true the repository will be initialized as a shared
1582
mutter('creating repository in %s.', a_bzrdir.transport.base)
1583
dirs = ['revision-store', 'knits']
1585
utf8_files = [('format', self.get_format_string())]
1587
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
1588
repo_transport = a_bzrdir.get_repository_transport(None)
1589
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1590
control_store = self._get_control_store(repo_transport, control_files)
1591
transaction = transactions.WriteTransaction()
1592
# trigger a write of the inventory store.
1593
control_store.get_weave_or_empty('inventory', transaction)
1594
_revision_store = self._get_revision_store(repo_transport, control_files)
1595
_revision_store.has_revision_id('A', transaction)
1596
_revision_store.get_signature_file(transaction)
1597
return self.open(a_bzrdir=a_bzrdir, _found=True)
1599
def open(self, a_bzrdir, _found=False, _override_transport=None):
1600
"""See RepositoryFormat.open().
1602
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1603
repository at a slightly different url
1604
than normal. I.e. during 'upgrade'.
1607
format = RepositoryFormat.find_format(a_bzrdir)
1608
assert format.__class__ == self.__class__
1609
if _override_transport is not None:
1610
repo_transport = _override_transport
1612
repo_transport = a_bzrdir.get_repository_transport(None)
1613
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1614
text_store = self._get_text_store(repo_transport, control_files)
1615
control_store = self._get_control_store(repo_transport, control_files)
1616
_revision_store = self._get_revision_store(repo_transport, control_files)
1617
return KnitRepository(_format=self,
1619
control_files=control_files,
1620
_revision_store=_revision_store,
1621
control_store=control_store,
1622
text_store=text_store)
1625
class RepositoryFormatKnit1(RepositoryFormatKnit):
1626
"""Bzr repository knit format 1.
1628
This repository format has:
1629
- knits for file texts and inventory
1630
- hash subdirectory based stores.
1631
- knits for revisions and signatures
1632
- TextStores for revisions and signatures.
1633
- a format marker of its own
1634
- an optional 'shared-storage' flag
1635
- an optional 'no-working-trees' flag
1638
This format was introduced in bzr 0.8.
1640
def get_format_string(self):
1641
"""See RepositoryFormat.get_format_string()."""
1642
return "Bazaar-NG Knit Repository Format 1"
1644
def get_format_description(self):
1645
"""See RepositoryFormat.get_format_description()."""
1646
return "Knit repository format 1"
1648
def check_conversion_target(self, target_format):
1652
class RepositoryFormatKnit2(RepositoryFormatKnit):
1653
"""Bzr repository knit format 2.
1655
THIS FORMAT IS EXPERIMENTAL
1656
This repository format has:
1657
- knits for file texts and inventory
1658
- hash subdirectory based stores.
1659
- knits for revisions and signatures
1660
- TextStores for revisions and signatures.
1661
- a format marker of its own
1662
- an optional 'shared-storage' flag
1663
- an optional 'no-working-trees' flag
1665
- Support for recording full info about the tree root
1669
rich_root_data = True
1671
def get_format_string(self):
1672
"""See RepositoryFormat.get_format_string()."""
1673
return "Bazaar Knit Repository Format 2\n"
1675
def get_format_description(self):
1676
"""See RepositoryFormat.get_format_description()."""
1677
return "Knit repository format 2"
1679
def check_conversion_target(self, target_format):
1680
if not target_format.rich_root_data:
1681
raise errors.BadConversionTarget(
1682
'Does not support rich root data.', target_format)
1684
def open(self, a_bzrdir, _found=False, _override_transport=None):
1685
"""See RepositoryFormat.open().
1687
:param _override_transport: INTERNAL USE ONLY. Allows opening the
1688
repository at a slightly different url
1689
than normal. I.e. during 'upgrade'.
1692
format = RepositoryFormat.find_format(a_bzrdir)
1693
assert format.__class__ == self.__class__
1694
if _override_transport is not None:
1695
repo_transport = _override_transport
1697
repo_transport = a_bzrdir.get_repository_transport(None)
1698
control_files = LockableFiles(repo_transport, 'lock', LockDir)
1699
text_store = self._get_text_store(repo_transport, control_files)
1700
control_store = self._get_control_store(repo_transport, control_files)
1701
_revision_store = self._get_revision_store(repo_transport, control_files)
1702
return KnitRepository2(_format=self,
1704
control_files=control_files,
1705
_revision_store=_revision_store,
1706
control_store=control_store,
1707
text_store=text_store)
1711
2255
# formats which have no format string are not discoverable
1712
# and not independently creatable, so are not registered.
1713
RepositoryFormat.register_format(RepositoryFormat7())
1714
_default_format = RepositoryFormatKnit1()
1715
RepositoryFormat.register_format(_default_format)
1716
RepositoryFormat.register_format(RepositoryFormatKnit2())
1717
RepositoryFormat.set_default_format(_default_format)
1718
_legacy_formats = [RepositoryFormat4(),
1719
RepositoryFormat5(),
1720
RepositoryFormat6()]
2256
# and not independently creatable, so are not registered. They're
2257
# all in bzrlib.repofmt.weaverepo now. When an instance of one of these is
2258
# needed, it's constructed directly by the BzrDir. Non-native formats where
2259
# the repository is not separately opened are similar.
2261
format_registry.register_lazy(
2262
'Bazaar-NG Repository format 7',
2263
'bzrlib.repofmt.weaverepo',
2267
format_registry.register_lazy(
2268
'Bazaar-NG Knit Repository Format 1',
2269
'bzrlib.repofmt.knitrepo',
2270
'RepositoryFormatKnit1',
2273
format_registry.register_lazy(
2274
'Bazaar Knit Repository Format 3 (bzr 0.15)\n',
2275
'bzrlib.repofmt.knitrepo',
2276
'RepositoryFormatKnit3',
2279
format_registry.register_lazy(
2280
'Bazaar Knit Repository Format 4 (bzr 1.0)\n',
2281
'bzrlib.repofmt.knitrepo',
2282
'RepositoryFormatKnit4',
2285
# Pack-based formats. There is one format for pre-subtrees, and one for
2286
# post-subtrees to allow ease of testing.
2287
# NOTE: These are experimental in 0.92. Stable in 1.0 and above
2288
format_registry.register_lazy(
2289
'Bazaar pack repository format 1 (needs bzr 0.92)\n',
2290
'bzrlib.repofmt.pack_repo',
2291
'RepositoryFormatKnitPack1',
2293
format_registry.register_lazy(
2294
'Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n',
2295
'bzrlib.repofmt.pack_repo',
2296
'RepositoryFormatKnitPack3',
2298
format_registry.register_lazy(
2299
'Bazaar pack repository format 1 with rich root (needs bzr 1.0)\n',
2300
'bzrlib.repofmt.pack_repo',
2301
'RepositoryFormatKnitPack4',
2303
format_registry.register_lazy(
2304
'Bazaar RepositoryFormatKnitPack5 (bzr 1.6)\n',
2305
'bzrlib.repofmt.pack_repo',
2306
'RepositoryFormatKnitPack5',
2308
format_registry.register_lazy(
2309
'Bazaar RepositoryFormatKnitPack5RichRoot (bzr 1.6)\n',
2310
'bzrlib.repofmt.pack_repo',
2311
'RepositoryFormatKnitPack5RichRoot',
2314
# Development formats.
2316
# development 0 - stub to introduce development versioning scheme.
2317
format_registry.register_lazy(
2318
"Bazaar development format 0 (needs bzr.dev from before 1.3)\n",
2319
'bzrlib.repofmt.pack_repo',
2320
'RepositoryFormatPackDevelopment0',
2322
format_registry.register_lazy(
2323
("Bazaar development format 0 with subtree support "
2324
"(needs bzr.dev from before 1.3)\n"),
2325
'bzrlib.repofmt.pack_repo',
2326
'RepositoryFormatPackDevelopment0Subtree',
2328
format_registry.register_lazy(
2329
"Bazaar development format 1 (needs bzr.dev from before 1.6)\n",
2330
'bzrlib.repofmt.pack_repo',
2331
'RepositoryFormatPackDevelopment1',
2333
format_registry.register_lazy(
2334
("Bazaar development format 1 with subtree support "
2335
"(needs bzr.dev from before 1.6)\n"),
2336
'bzrlib.repofmt.pack_repo',
2337
'RepositoryFormatPackDevelopment1Subtree',
2339
# 1.3->1.4 go below here
1723
2342
class InterRepository(InterObject):
1748
2367
:param pb: optional progress bar to use for progress reports. If not
1749
2368
provided a default one will be created.
1751
Returns the copied revision count and the failed revisions in a tuple:
1754
raise NotImplementedError(self.fetch)
2370
:returns: (copied_revision_count, failures).
2372
# Normally we should find a specific InterRepository subclass to do
2373
# the fetch; if nothing else then at least InterSameDataRepository.
2374
# If none of them is suitable it looks like fetching is not possible;
2375
# we try to give a good message why. _assert_same_model will probably
2376
# give a helpful message; otherwise a generic one.
2377
self._assert_same_model(self.source, self.target)
2378
raise errors.IncompatibleRepositories(self.source, self.target,
2379
"no suitableInterRepository found")
2381
def _walk_to_common_revisions(self, revision_ids):
2382
"""Walk out from revision_ids in source to revisions target has.
2384
:param revision_ids: The start point for the search.
2385
:return: A set of revision ids.
2387
target_graph = self.target.get_graph()
2388
revision_ids = frozenset(revision_ids)
2389
if set(target_graph.get_parent_map(revision_ids)) == revision_ids:
2390
return graph.SearchResult(revision_ids, set(), 0, set())
2391
missing_revs = set()
2392
source_graph = self.source.get_graph()
2393
# ensure we don't pay silly lookup costs.
2394
searcher = source_graph._make_breadth_first_searcher(revision_ids)
2395
null_set = frozenset([_mod_revision.NULL_REVISION])
2398
next_revs, ghosts = searcher.next_with_ghosts()
2399
except StopIteration:
2401
if revision_ids.intersection(ghosts):
2402
absent_ids = set(revision_ids.intersection(ghosts))
2403
# If all absent_ids are present in target, no error is needed.
2404
absent_ids.difference_update(
2405
set(target_graph.get_parent_map(absent_ids)))
2407
raise errors.NoSuchRevision(self.source, absent_ids.pop())
2408
# we don't care about other ghosts as we can't fetch them and
2409
# haven't been asked to.
2410
next_revs = set(next_revs)
2411
# we always have NULL_REVISION present.
2412
have_revs = set(target_graph.get_parent_map(next_revs)).union(null_set)
2413
missing_revs.update(next_revs - have_revs)
2414
searcher.stop_searching_any(have_revs)
2415
return searcher.get_result()
2417
@deprecated_method(one_two)
1756
2418
@needs_read_lock
1757
def missing_revision_ids(self, revision_id=None):
2419
def missing_revision_ids(self, revision_id=None, find_ghosts=True):
1758
2420
"""Return the revision ids that source has that target does not.
1760
2422
These are returned in topological order.
1762
2424
:param revision_id: only return revision ids included by this
2426
:param find_ghosts: If True find missing revisions in deep history
2427
rather than just finding the surface difference.
2429
return list(self.search_missing_revision_ids(
2430
revision_id, find_ghosts).get_keys())
2433
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
2434
"""Return the revision ids that source has that target does not.
2436
:param revision_id: only return revision ids included by this
2438
:param find_ghosts: If True find missing revisions in deep history
2439
rather than just finding the surface difference.
2440
:return: A bzrlib.graph.SearchResult.
2442
# stop searching at found target revisions.
2443
if not find_ghosts and revision_id is not None:
2444
return self._walk_to_common_revisions([revision_id])
1765
2445
# generic, possibly worst case, slow code path.
1766
2446
target_ids = set(self.target.all_revision_ids())
1767
2447
if revision_id is not None:
1768
2448
source_ids = self.source.get_ancestry(revision_id)
1769
assert source_ids[0] is None
2449
if source_ids[0] is not None:
2450
raise AssertionError()
1770
2451
source_ids.pop(0)
1772
2453
source_ids = self.source.all_revision_ids()
1773
2454
result_set = set(source_ids).difference(target_ids)
1774
# this may look like a no-op: its not. It preserves the ordering
1775
# other_ids had while only returning the members from other_ids
1776
# that we've decided we need.
1777
return [rev_id for rev_id in source_ids if rev_id in result_set]
2455
return self.source.revision_ids_to_search_result(result_set)
2458
def _same_model(source, target):
2459
"""True if source and target have the same data representation.
2461
Note: this is always called on the base class; overriding it in a
2462
subclass will have no effect.
2465
InterRepository._assert_same_model(source, target)
2467
except errors.IncompatibleRepositories, e:
2471
def _assert_same_model(source, target):
2472
"""Raise an exception if two repositories do not use the same model.
2474
if source.supports_rich_root() != target.supports_rich_root():
2475
raise errors.IncompatibleRepositories(source, target,
2476
"different rich-root support")
2477
if source._serializer != target._serializer:
2478
raise errors.IncompatibleRepositories(source, target,
2479
"different serializers")
1780
2482
class InterSameDataRepository(InterRepository):
1783
2485
Data format and model must match for this to work.
1786
_matching_repo_format = RepositoryFormat4()
1787
"""Repository format for testing with."""
2489
def _get_repo_format_to_test(self):
2490
"""Repository format for testing with.
2492
InterSameData can pull from subtree to subtree and from non-subtree to
2493
non-subtree, so we test this with the richest repository format.
2495
from bzrlib.repofmt import knitrepo
2496
return knitrepo.RepositoryFormatKnit3()
1790
2499
def is_compatible(source, target):
1791
if not isinstance(source, Repository):
1793
if not isinstance(target, Repository):
1795
if source._format.rich_root_data == target._format.rich_root_data:
2500
return InterRepository._same_model(source, target)
1800
2502
@needs_write_lock
1801
def copy_content(self, revision_id=None, basis=None):
2503
def copy_content(self, revision_id=None):
1802
2504
"""Make a complete copy of the content in self into destination.
2506
This copies both the repository's revision data, and configuration information
2507
such as the make_working_trees setting.
1804
2509
This is a destructive operation! Do not use it on existing
1807
2512
:param revision_id: Only copy the content needed to construct
1808
2513
revision_id and its parents.
1809
:param basis: Copy the needed data preferentially from basis.
1812
2516
self.target.set_make_working_trees(self.source.make_working_trees())
1813
2517
except NotImplementedError:
1815
# grab the basis available data
1816
if basis is not None:
1817
self.target.fetch(basis, revision_id=revision_id)
1818
2519
# but don't bother fetching if we have the needed data now.
1819
if (revision_id not in (None, NULL_REVISION) and
2520
if (revision_id not in (None, _mod_revision.NULL_REVISION) and
1820
2521
self.target.has_revision(revision_id)):
1822
2523
self.target.fetch(self.source, revision_id=revision_id)
1824
2525
@needs_write_lock
1825
def fetch(self, revision_id=None, pb=None):
2526
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
1826
2527
"""See InterRepository.fetch()."""
1827
from bzrlib.fetch import GenericRepoFetcher
2528
from bzrlib.fetch import RepoFetcher
1828
2529
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1829
self.source, self.source._format, self.target,
2530
self.source, self.source._format, self.target,
1830
2531
self.target._format)
1831
f = GenericRepoFetcher(to_repository=self.target,
2532
f = RepoFetcher(to_repository=self.target,
1832
2533
from_repository=self.source,
1833
2534
last_revision=revision_id,
2535
pb=pb, find_ghosts=find_ghosts)
1835
2536
return f.count_copied, f.failed_revisions
1838
2539
class InterWeaveRepo(InterSameDataRepository):
1839
"""Optimised code paths between Weave based repositories."""
2540
"""Optimised code paths between Weave based repositories.
2542
This should be in bzrlib/repofmt/weaverepo.py but we have not yet
2543
implemented lazy inter-object optimisation.
1841
_matching_repo_format = RepositoryFormat7()
1842
"""Repository format for testing with."""
2547
def _get_repo_format_to_test(self):
2548
from bzrlib.repofmt import weaverepo
2549
return weaverepo.RepositoryFormat7()
1845
2552
def is_compatible(source, target):
1862
2574
@needs_write_lock
1863
def copy_content(self, revision_id=None, basis=None):
2575
def copy_content(self, revision_id=None):
1864
2576
"""See InterRepository.copy_content()."""
1865
2577
# weave specific optimised path:
1866
if basis is not None:
1867
# copy the basis in, then fetch remaining data.
1868
basis.copy_content_into(self.target, revision_id)
1869
# the basis copy_content_into could miss-set this.
2579
self.target.set_make_working_trees(self.source.make_working_trees())
2580
except (errors.RepositoryUpgradeRequired, NotImplemented):
2582
# FIXME do not peek!
2583
if self.source._transport.listable():
2584
pb = ui.ui_factory.nested_progress_bar()
1871
self.target.set_make_working_trees(self.source.make_working_trees())
1872
except NotImplementedError:
2586
self.target.texts.insert_record_stream(
2587
self.source.texts.get_record_stream(
2588
self.source.texts.keys(), 'topological', False))
2589
pb.update('copying inventory', 0, 1)
2590
self.target.inventories.insert_record_stream(
2591
self.source.inventories.get_record_stream(
2592
self.source.inventories.keys(), 'topological', False))
2593
self.target.signatures.insert_record_stream(
2594
self.source.signatures.get_record_stream(
2595
self.source.signatures.keys(),
2597
self.target.revisions.insert_record_stream(
2598
self.source.revisions.get_record_stream(
2599
self.source.revisions.keys(),
2600
'topological', True))
1874
2604
self.target.fetch(self.source, revision_id=revision_id)
1877
self.target.set_make_working_trees(self.source.make_working_trees())
1878
except NotImplementedError:
1880
# FIXME do not peek!
1881
if self.source.control_files._transport.listable():
1882
pb = ui.ui_factory.nested_progress_bar()
1884
self.target.weave_store.copy_all_ids(
1885
self.source.weave_store,
1887
from_transaction=self.source.get_transaction(),
1888
to_transaction=self.target.get_transaction())
1889
pb.update('copying inventory', 0, 1)
1890
self.target.control_weaves.copy_multi(
1891
self.source.control_weaves, ['inventory'],
1892
from_transaction=self.source.get_transaction(),
1893
to_transaction=self.target.get_transaction())
1894
self.target._revision_store.text_store.copy_all_ids(
1895
self.source._revision_store.text_store,
1900
self.target.fetch(self.source, revision_id=revision_id)
1902
2606
@needs_write_lock
1903
def fetch(self, revision_id=None, pb=None):
2607
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
1904
2608
"""See InterRepository.fetch()."""
1905
from bzrlib.fetch import GenericRepoFetcher
2609
from bzrlib.fetch import RepoFetcher
1906
2610
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1907
2611
self.source, self.source._format, self.target, self.target._format)
1908
f = GenericRepoFetcher(to_repository=self.target,
2612
f = RepoFetcher(to_repository=self.target,
1909
2613
from_repository=self.source,
1910
2614
last_revision=revision_id,
2615
pb=pb, find_ghosts=find_ghosts)
1912
2616
return f.count_copied, f.failed_revisions
1914
2618
@needs_read_lock
1915
def missing_revision_ids(self, revision_id=None):
2619
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
1916
2620
"""See InterRepository.missing_revision_ids()."""
1917
2621
# we want all revisions to satisfy revision_id in source.
1918
2622
# but we don't want to stat every file here and there.
1967
2676
could lead to confusing results, and there is no need to be
1968
2677
overly general.
2679
from bzrlib.repofmt.knitrepo import RepositoryFormatKnit
1971
return (isinstance(source._format, (RepositoryFormatKnit1)) and
1972
isinstance(target._format, (RepositoryFormatKnit1)))
2681
are_knits = (isinstance(source._format, RepositoryFormatKnit) and
2682
isinstance(target._format, RepositoryFormatKnit))
1973
2683
except AttributeError:
2685
return are_knits and InterRepository._same_model(source, target)
1976
2687
@needs_write_lock
1977
def fetch(self, revision_id=None, pb=None):
2688
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
1978
2689
"""See InterRepository.fetch()."""
1979
from bzrlib.fetch import KnitRepoFetcher
2690
from bzrlib.fetch import RepoFetcher
1980
2691
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
1981
2692
self.source, self.source._format, self.target, self.target._format)
1982
f = KnitRepoFetcher(to_repository=self.target,
2693
f = RepoFetcher(to_repository=self.target,
1983
2694
from_repository=self.source,
1984
2695
last_revision=revision_id,
2696
pb=pb, find_ghosts=find_ghosts)
1986
2697
return f.count_copied, f.failed_revisions
1988
2699
@needs_read_lock
1989
def missing_revision_ids(self, revision_id=None):
2700
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
1990
2701
"""See InterRepository.missing_revision_ids()."""
1991
2702
if revision_id is not None:
1992
2703
source_ids = self.source.get_ancestry(revision_id)
1993
assert source_ids[0] is None
2704
if source_ids[0] is not None:
2705
raise AssertionError()
1994
2706
source_ids.pop(0)
1996
source_ids = self.source._all_possible_ids()
2708
source_ids = self.source.all_revision_ids()
1997
2709
source_ids_set = set(source_ids)
1998
2710
# source_ids is the worst possible case we may need to pull.
1999
2711
# now we want to filter source_ids against what we actually
2000
2712
# have in target, but don't try to check for existence where we know
2001
2713
# we do not have a revision as that would be pointless.
2002
target_ids = set(self.target._all_possible_ids())
2714
target_ids = set(self.target.all_revision_ids())
2003
2715
possibly_present_revisions = target_ids.intersection(source_ids_set)
2004
actually_present_revisions = set(self.target._eliminate_revisions_not_present(possibly_present_revisions))
2716
actually_present_revisions = set(
2717
self.target._eliminate_revisions_not_present(possibly_present_revisions))
2005
2718
required_revisions = source_ids_set.difference(actually_present_revisions)
2006
required_topo_revisions = [rev_id for rev_id in source_ids if rev_id in required_revisions]
2007
2719
if revision_id is not None:
2008
2720
# we used get_ancestry to determine source_ids then we are assured all
2009
2721
# revisions referenced are present as they are installed in topological order.
2010
2722
# and the tip revision was validated by get_ancestry.
2011
return required_topo_revisions
2723
result_set = required_revisions
2013
2725
# if we just grabbed the possibly available ids, then
2014
2726
# we only have an estimate of whats available and need to validate
2015
2727
# that against the revision records.
2016
return self.source._eliminate_revisions_not_present(required_topo_revisions)
2729
self.source._eliminate_revisions_not_present(required_revisions))
2730
return self.source.revision_ids_to_search_result(result_set)
2733
class InterPackRepo(InterSameDataRepository):
2734
"""Optimised code paths between Pack based repositories."""
2737
def _get_repo_format_to_test(self):
2738
from bzrlib.repofmt import pack_repo
2739
return pack_repo.RepositoryFormatKnitPack1()
2742
def is_compatible(source, target):
2743
"""Be compatible with known Pack formats.
2745
We don't test for the stores being of specific types because that
2746
could lead to confusing results, and there is no need to be
2749
from bzrlib.repofmt.pack_repo import RepositoryFormatPack
2751
are_packs = (isinstance(source._format, RepositoryFormatPack) and
2752
isinstance(target._format, RepositoryFormatPack))
2753
except AttributeError:
2755
return are_packs and InterRepository._same_model(source, target)
2758
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
2759
"""See InterRepository.fetch()."""
2760
if (len(self.source._fallback_repositories) > 0 or
2761
len(self.target._fallback_repositories) > 0):
2762
# The pack layer is not aware of fallback repositories, so when
2763
# fetching from a stacked repository or into a stacked repository
2764
# we use the generic fetch logic which uses the VersionedFiles
2765
# attributes on repository.
2766
from bzrlib.fetch import RepoFetcher
2767
fetcher = RepoFetcher(self.target, self.source, revision_id,
2769
return fetcher.count_copied, fetcher.failed_revisions
2770
from bzrlib.repofmt.pack_repo import Packer
2771
mutter("Using fetch logic to copy between %s(%s) and %s(%s)",
2772
self.source, self.source._format, self.target, self.target._format)
2773
self.count_copied = 0
2774
if revision_id is None:
2776
# everything to do - use pack logic
2777
# to fetch from all packs to one without
2778
# inventory parsing etc, IFF nothing to be copied is in the target.
2780
source_revision_ids = frozenset(self.source.all_revision_ids())
2781
revision_ids = source_revision_ids - \
2782
frozenset(self.target.get_parent_map(source_revision_ids))
2783
revision_keys = [(revid,) for revid in revision_ids]
2784
index = self.target._pack_collection.revision_index.combined_index
2785
present_revision_ids = set(item[1][0] for item in
2786
index.iter_entries(revision_keys))
2787
revision_ids = set(revision_ids) - present_revision_ids
2788
# implementing the TODO will involve:
2789
# - detecting when all of a pack is selected
2790
# - avoiding as much as possible pre-selection, so the
2791
# more-core routines such as create_pack_from_packs can filter in
2792
# a just-in-time fashion. (though having a HEADS list on a
2793
# repository might make this a lot easier, because we could
2794
# sensibly detect 'new revisions' without doing a full index scan.
2795
elif _mod_revision.is_null(revision_id):
2800
revision_ids = self.search_missing_revision_ids(revision_id,
2801
find_ghosts=find_ghosts).get_keys()
2802
except errors.NoSuchRevision:
2803
raise errors.InstallFailed([revision_id])
2804
if len(revision_ids) == 0:
2806
packs = self.source._pack_collection.all_packs()
2807
pack = Packer(self.target._pack_collection, packs, '.fetch',
2808
revision_ids).pack()
2809
if pack is not None:
2810
self.target._pack_collection._save_pack_names()
2811
# Trigger an autopack. This may duplicate effort as we've just done
2812
# a pack creation, but for now it is simpler to think about as
2813
# 'upload data, then repack if needed'.
2814
self.target._pack_collection.autopack()
2815
return (pack.get_revision_count(), [])
2820
def search_missing_revision_ids(self, revision_id=None, find_ghosts=True):
2821
"""See InterRepository.missing_revision_ids().
2823
:param find_ghosts: Find ghosts throughout the ancestry of
2826
if not find_ghosts and revision_id is not None:
2827
return self._walk_to_common_revisions([revision_id])
2828
elif revision_id is not None:
2829
# Find ghosts: search for revisions pointing from one repository to
2830
# the other, and vice versa, anywhere in the history of revision_id.
2831
graph = self.target.get_graph(other_repository=self.source)
2832
searcher = graph._make_breadth_first_searcher([revision_id])
2836
next_revs, ghosts = searcher.next_with_ghosts()
2837
except StopIteration:
2839
if revision_id in ghosts:
2840
raise errors.NoSuchRevision(self.source, revision_id)
2841
found_ids.update(next_revs)
2842
found_ids.update(ghosts)
2843
found_ids = frozenset(found_ids)
2844
# Double query here: should be able to avoid this by changing the
2845
# graph api further.
2846
result_set = found_ids - frozenset(
2847
self.target.get_parent_map(found_ids))
2849
source_ids = self.source.all_revision_ids()
2850
# source_ids is the worst possible case we may need to pull.
2851
# now we want to filter source_ids against what we actually
2852
# have in target, but don't try to check for existence where we know
2853
# we do not have a revision as that would be pointless.
2854
target_ids = set(self.target.all_revision_ids())
2855
result_set = set(source_ids).difference(target_ids)
2856
return self.source.revision_ids_to_search_result(result_set)
2019
2859
class InterModel1and2(InterRepository):
2021
_matching_repo_format = None
2862
def _get_repo_format_to_test(self):
2024
2866
def is_compatible(source, target):
2025
if not isinstance(source, Repository):
2027
if not isinstance(target, Repository):
2029
if not source._format.rich_root_data and target._format.rich_root_data:
2867
if not source.supports_rich_root() and target.supports_rich_root():
2034
2872
@needs_write_lock
2035
def fetch(self, revision_id=None, pb=None):
2873
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
2036
2874
"""See InterRepository.fetch()."""
2037
2875
from bzrlib.fetch import Model1toKnit2Fetcher
2038
2876
f = Model1toKnit2Fetcher(to_repository=self.target,
2039
2877
from_repository=self.source,
2040
2878
last_revision=revision_id,
2879
pb=pb, find_ghosts=find_ghosts)
2042
2880
return f.count_copied, f.failed_revisions
2044
2882
@needs_write_lock
2045
def copy_content(self, revision_id=None, basis=None):
2883
def copy_content(self, revision_id=None):
2046
2884
"""Make a complete copy of the content in self into destination.
2048
2886
This is a destructive operation! Do not use it on existing
2089
2944
f = Knit1to2Fetcher(to_repository=self.target,
2090
2945
from_repository=self.source,
2091
2946
last_revision=revision_id,
2947
pb=pb, find_ghosts=find_ghosts)
2093
2948
return f.count_copied, f.failed_revisions
2951
class InterDifferingSerializer(InterKnitRepo):
2954
def _get_repo_format_to_test(self):
2958
def is_compatible(source, target):
2959
"""Be compatible with Knit2 source and Knit3 target"""
2960
if source.supports_rich_root() != target.supports_rich_root():
2962
# Ideally, we'd support fetching if the source had no tree references
2963
# even if it supported them...
2964
if (getattr(source, '_format.supports_tree_reference', False) and
2965
not getattr(target, '_format.supports_tree_reference', False)):
2970
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
2971
"""See InterRepository.fetch()."""
2972
revision_ids = self.target.search_missing_revision_ids(self.source,
2973
revision_id, find_ghosts=find_ghosts).get_keys()
2974
revision_ids = tsort.topo_sort(
2975
self.source.get_graph().get_parent_map(revision_ids))
2976
def revisions_iterator():
2977
for current_revision_id in revision_ids:
2978
revision = self.source.get_revision(current_revision_id)
2979
tree = self.source.revision_tree(current_revision_id)
2981
signature = self.source.get_signature_text(
2982
current_revision_id)
2983
except errors.NoSuchRevision:
2985
yield revision, tree, signature
2987
my_pb = ui.ui_factory.nested_progress_bar()
2992
install_revisions(self.target, revisions_iterator(),
2993
len(revision_ids), pb)
2995
if my_pb is not None:
2997
return len(revision_ids), 0
3000
class InterOtherToRemote(InterRepository):
3002
def __init__(self, source, target):
3003
InterRepository.__init__(self, source, target)
3004
self._real_inter = None
3007
def is_compatible(source, target):
3008
if isinstance(target, remote.RemoteRepository):
3012
def _ensure_real_inter(self):
3013
if self._real_inter is None:
3014
self.target._ensure_real()
3015
real_target = self.target._real_repository
3016
self._real_inter = InterRepository.get(self.source, real_target)
3018
def copy_content(self, revision_id=None):
3019
self._ensure_real_inter()
3020
self._real_inter.copy_content(revision_id=revision_id)
3022
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
3023
self._ensure_real_inter()
3024
return self._real_inter.fetch(revision_id=revision_id, pb=pb,
3025
find_ghosts=find_ghosts)
3028
def _get_repo_format_to_test(self):
3032
class InterRemoteToOther(InterRepository):
3034
def __init__(self, source, target):
3035
InterRepository.__init__(self, source, target)
3036
self._real_inter = None
3039
def is_compatible(source, target):
3040
if not isinstance(source, remote.RemoteRepository):
3042
# Is source's model compatible with target's model?
3043
source._ensure_real()
3044
real_source = source._real_repository
3045
if isinstance(real_source, remote.RemoteRepository):
3046
raise NotImplementedError(
3047
"We don't support remote repos backed by remote repos yet.")
3048
return InterRepository._same_model(real_source, target)
3050
def _ensure_real_inter(self):
3051
if self._real_inter is None:
3052
self.source._ensure_real()
3053
real_source = self.source._real_repository
3054
self._real_inter = InterRepository.get(real_source, self.target)
3056
def fetch(self, revision_id=None, pb=None, find_ghosts=False):
3057
self._ensure_real_inter()
3058
return self._real_inter.fetch(revision_id=revision_id, pb=pb,
3059
find_ghosts=find_ghosts)
3061
def copy_content(self, revision_id=None):
3062
self._ensure_real_inter()
3063
self._real_inter.copy_content(revision_id=revision_id)
3066
def _get_repo_format_to_test(self):
3071
InterRepository.register_optimiser(InterDifferingSerializer)
2096
3072
InterRepository.register_optimiser(InterSameDataRepository)
2097
3073
InterRepository.register_optimiser(InterWeaveRepo)
2098
3074
InterRepository.register_optimiser(InterKnitRepo)
2099
3075
InterRepository.register_optimiser(InterModel1and2)
2100
3076
InterRepository.register_optimiser(InterKnit1and2)
2103
class RepositoryTestProviderAdapter(object):
2104
"""A tool to generate a suite testing multiple repository formats at once.
2106
This is done by copying the test once for each transport and injecting
2107
the transport_server, transport_readonly_server, and bzrdir_format and
2108
repository_format classes into each copy. Each copy is also given a new id()
2109
to make it easy to identify.
2112
def __init__(self, transport_server, transport_readonly_server, formats):
2113
self._transport_server = transport_server
2114
self._transport_readonly_server = transport_readonly_server
2115
self._formats = formats
2117
def adapt(self, test):
2118
result = TestSuite()
2119
for repository_format, bzrdir_format in self._formats:
2120
new_test = deepcopy(test)
2121
new_test.transport_server = self._transport_server
2122
new_test.transport_readonly_server = self._transport_readonly_server
2123
new_test.bzrdir_format = bzrdir_format
2124
new_test.repository_format = repository_format
2125
def make_new_test_id():
2126
new_id = "%s(%s)" % (new_test.id(), repository_format.__class__.__name__)
2127
return lambda: new_id
2128
new_test.id = make_new_test_id()
2129
result.addTest(new_test)
2133
class InterRepositoryTestProviderAdapter(object):
2134
"""A tool to generate a suite testing multiple inter repository formats.
2136
This is done by copying the test once for each interrepo provider and injecting
2137
the transport_server, transport_readonly_server, repository_format and
2138
repository_to_format classes into each copy.
2139
Each copy is also given a new id() to make it easy to identify.
2142
def __init__(self, transport_server, transport_readonly_server, formats):
2143
self._transport_server = transport_server
2144
self._transport_readonly_server = transport_readonly_server
2145
self._formats = formats
2147
def adapt(self, test):
2148
result = TestSuite()
2149
for interrepo_class, repository_format, repository_format_to in self._formats:
2150
new_test = deepcopy(test)
2151
new_test.transport_server = self._transport_server
2152
new_test.transport_readonly_server = self._transport_readonly_server
2153
new_test.interrepo_class = interrepo_class
2154
new_test.repository_format = repository_format
2155
new_test.repository_format_to = repository_format_to
2156
def make_new_test_id():
2157
new_id = "%s(%s)" % (new_test.id(), interrepo_class.__name__)
2158
return lambda: new_id
2159
new_test.id = make_new_test_id()
2160
result.addTest(new_test)
2164
def default_test_list():
2165
"""Generate the default list of interrepo permutations to test."""
2167
# test the default InterRepository between format 6 and the current
2169
# XXX: robertc 20060220 reinstate this when there are two supported
2170
# formats which do not have an optimal code path between them.
2171
#result.append((InterRepository,
2172
# RepositoryFormat6(),
2173
# RepositoryFormatKnit1()))
2174
for optimiser in InterRepository._optimisers:
2175
if optimiser._matching_repo_format is not None:
2176
result.append((optimiser,
2177
optimiser._matching_repo_format,
2178
optimiser._matching_repo_format
2180
# if there are specific combinations we want to use, we can add them
2182
result.append((InterModel1and2, RepositoryFormat5(),
2183
RepositoryFormatKnit2()))
2184
result.append((InterKnit1and2, RepositoryFormatKnit1(),
2185
RepositoryFormatKnit2()))
3077
InterRepository.register_optimiser(InterPackRepo)
3078
InterRepository.register_optimiser(InterOtherToRemote)
3079
InterRepository.register_optimiser(InterRemoteToOther)
2189
3082
class CopyConverter(object):
2238
3131
self.pb.update(message, self.count, self.total)
2241
class CommitBuilder(object):
2242
"""Provides an interface to build up a commit.
2244
This allows describing a tree to be committed without needing to
2245
know the internals of the format of the repository.
2248
record_root_entry = False
2249
def __init__(self, repository, parents, config, timestamp=None,
2250
timezone=None, committer=None, revprops=None,
2252
"""Initiate a CommitBuilder.
2254
:param repository: Repository to commit to.
2255
:param parents: Revision ids of the parents of the new revision.
2256
:param config: Configuration to use.
2257
:param timestamp: Optional timestamp recorded for commit.
2258
:param timezone: Optional timezone for timestamp.
2259
:param committer: Optional committer to set for commit.
2260
:param revprops: Optional dictionary of revision properties.
2261
:param revision_id: Optional revision id.
2263
self._config = config
2265
if committer is None:
2266
self._committer = self._config.username()
2268
assert isinstance(committer, basestring), type(committer)
2269
self._committer = committer
2271
self.new_inventory = Inventory(None)
2272
self._new_revision_id = revision_id
2273
self.parents = parents
2274
self.repository = repository
2277
if revprops is not None:
2278
self._revprops.update(revprops)
2280
if timestamp is None:
2281
timestamp = time.time()
2282
# Restrict resolution to 1ms
2283
self._timestamp = round(timestamp, 3)
2285
if timezone is None:
2286
self._timezone = local_time_offset()
2288
self._timezone = int(timezone)
2290
self._generate_revision_if_needed()
2292
def commit(self, message):
2293
"""Make the actual commit.
2295
:return: The revision id of the recorded revision.
2297
rev = Revision(timestamp=self._timestamp,
2298
timezone=self._timezone,
2299
committer=self._committer,
2301
inventory_sha1=self.inv_sha1,
2302
revision_id=self._new_revision_id,
2303
properties=self._revprops)
2304
rev.parent_ids = self.parents
2305
self.repository.add_revision(self._new_revision_id, rev,
2306
self.new_inventory, self._config)
2307
return self._new_revision_id
2309
def finish_inventory(self):
2310
"""Tell the builder that the inventory is finished."""
2311
if self.new_inventory.root is None:
2312
symbol_versioning.warn('Root entry should be supplied to'
2313
' record_entry_contents, as of bzr 0.10.',
2314
DeprecationWarning, stacklevel=2)
2315
self.new_inventory.add(InventoryDirectory(ROOT_ID, '', None))
2316
self.new_inventory.revision_id = self._new_revision_id
2317
self.inv_sha1 = self.repository.add_inventory(
2318
self._new_revision_id,
2323
def _gen_revision_id(self):
2324
"""Return new revision-id."""
2325
s = '%s-%s-' % (self._config.user_email(),
2326
compact_date(self._timestamp))
2327
s += hexlify(rand_bytes(8))
2330
def _generate_revision_if_needed(self):
2331
"""Create a revision id if None was supplied.
2333
If the repository can not support user-specified revision ids
2334
they should override this function and raise UnsupportedOperation
2335
if _new_revision_id is not None.
2337
:raises: UnsupportedOperation
2339
if self._new_revision_id is None:
2340
self._new_revision_id = self._gen_revision_id()
2342
def record_entry_contents(self, ie, parent_invs, path, tree):
2343
"""Record the content of ie from tree into the commit if needed.
2345
Side effect: sets ie.revision when unchanged
2347
:param ie: An inventory entry present in the commit.
2348
:param parent_invs: The inventories of the parent revisions of the
2350
:param path: The path the entry is at in the tree.
2351
:param tree: The tree which contains this entry and should be used to
2354
if self.new_inventory.root is None and ie.parent_id is not None:
2355
symbol_versioning.warn('Root entry should be supplied to'
2356
' record_entry_contents, as of bzr 0.10.',
2357
DeprecationWarning, stacklevel=2)
2358
self.record_entry_contents(tree.inventory.root.copy(), parent_invs,
2360
self.new_inventory.add(ie)
2362
# ie.revision is always None if the InventoryEntry is considered
2363
# for committing. ie.snapshot will record the correct revision
2364
# which may be the sole parent if it is untouched.
2365
if ie.revision is not None:
2368
# In this revision format, root entries have no knit or weave
2369
if ie is self.new_inventory.root:
2370
if len(parent_invs):
2371
ie.revision = parent_invs[0].root.revision
2375
previous_entries = ie.find_previous_heads(
2377
self.repository.weave_store,
2378
self.repository.get_transaction())
2379
# we are creating a new revision for ie in the history store
2381
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
2383
def modified_directory(self, file_id, file_parents):
2384
"""Record the presence of a symbolic link.
2386
:param file_id: The file_id of the link to record.
2387
:param file_parents: The per-file parent revision ids.
2389
self._add_text_to_weave(file_id, [], file_parents.keys())
2391
def modified_file_text(self, file_id, file_parents,
2392
get_content_byte_lines, text_sha1=None,
2394
"""Record the text of file file_id
2396
:param file_id: The file_id of the file to record the text of.
2397
:param file_parents: The per-file parent revision ids.
2398
:param get_content_byte_lines: A callable which will return the byte
2400
:param text_sha1: Optional SHA1 of the file contents.
2401
:param text_size: Optional size of the file contents.
2403
# mutter('storing text of file {%s} in revision {%s} into %r',
2404
# file_id, self._new_revision_id, self.repository.weave_store)
2405
# special case to avoid diffing on renames or
2407
if (len(file_parents) == 1
2408
and text_sha1 == file_parents.values()[0].text_sha1
2409
and text_size == file_parents.values()[0].text_size):
2410
previous_ie = file_parents.values()[0]
2411
versionedfile = self.repository.weave_store.get_weave(file_id,
2412
self.repository.get_transaction())
2413
versionedfile.clone_text(self._new_revision_id,
2414
previous_ie.revision, file_parents.keys())
2415
return text_sha1, text_size
2417
new_lines = get_content_byte_lines()
2418
# TODO: Rather than invoking sha_strings here, _add_text_to_weave
2419
# should return the SHA1 and size
2420
self._add_text_to_weave(file_id, new_lines, file_parents.keys())
2421
return osutils.sha_strings(new_lines), \
2422
sum(map(len, new_lines))
2424
def modified_link(self, file_id, file_parents, link_target):
2425
"""Record the presence of a symbolic link.
2427
:param file_id: The file_id of the link to record.
2428
:param file_parents: The per-file parent revision ids.
2429
:param link_target: Target location of this link.
2431
self._add_text_to_weave(file_id, [], file_parents.keys())
2433
def _add_text_to_weave(self, file_id, new_lines, parents):
2434
versionedfile = self.repository.weave_store.get_weave_or_empty(
2435
file_id, self.repository.get_transaction())
2436
versionedfile.add_lines(self._new_revision_id, parents, new_lines)
2437
versionedfile.clear_cache()
2440
class _CommitBuilder(CommitBuilder):
2441
"""Temporary class so old CommitBuilders are detected properly
2443
Note: CommitBuilder works whether or not root entry is recorded.
2446
record_root_entry = True
2449
class RootCommitBuilder(CommitBuilder):
2450
"""This commitbuilder actually records the root id"""
2452
record_root_entry = True
2454
def record_entry_contents(self, ie, parent_invs, path, tree):
2455
"""Record the content of ie from tree into the commit if needed.
2457
Side effect: sets ie.revision when unchanged
2459
:param ie: An inventory entry present in the commit.
2460
:param parent_invs: The inventories of the parent revisions of the
2462
:param path: The path the entry is at in the tree.
2463
:param tree: The tree which contains this entry and should be used to
2466
assert self.new_inventory.root is not None or ie.parent_id is None
2467
self.new_inventory.add(ie)
2469
# ie.revision is always None if the InventoryEntry is considered
2470
# for committing. ie.snapshot will record the correct revision
2471
# which may be the sole parent if it is untouched.
2472
if ie.revision is not None:
2475
previous_entries = ie.find_previous_heads(
2477
self.repository.weave_store,
2478
self.repository.get_transaction())
2479
# we are creating a new revision for ie in the history store
2481
ie.snapshot(self._new_revision_id, path, previous_entries, tree, self)
2484
3134
_unescape_map = {