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36
from bzrlib.plugins.git.commit import (
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from bzrlib.plugins.git.filegraph import (
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GitFileLastChangeScanner,
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GitFileParentProvider,
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from bzrlib.plugins.git.mapping import (
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from bzrlib.plugins.git.tree import (
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from bzrlib.plugins.git.versionedfiles import (
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from dulwich.objects import (
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from dulwich.object_store import (
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class RepoReconciler(object):
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"""Reconciler that reconciles a repository.
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def __init__(self, repo, other=None, thorough=False):
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"""Construct a RepoReconciler.
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:param thorough: perform a thorough check which may take longer but
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will correct non-data loss issues such as incorrect
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"""Perform reconciliation.
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After reconciliation the following attributes document found issues:
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inconsistent_parents: The number of revisions in the repository whose
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ancestry was being reported incorrectly.
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garbage_inventories: The number of inventory objects without revisions
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that were garbage collected.
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class GitCheck(check.Check):
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def __init__(self, repository, check_repo=True):
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self.repository = repository
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self.checked_rev_cnt = 0
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def check(self, callback_refs=None, check_repo=True):
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if callback_refs is None:
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self.repository.lock_read()
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self.repository.unlock()
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def report_results(self, verbose):
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class GitRepository(ForeignRepository):
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"""An adapter to git repositories for bzr."""
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_serializer = None
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_commit_builder_class = GitCommitBuilder
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vcs = foreign_vcs_git
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def __init__(self, gitdir, lockfiles):
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ForeignRepository.__init__(self, GitRepositoryFormat(), gitdir,
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super(GitRepository, self).__init__(GitRepositoryFormat(),
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from bzrlib.plugins.git import fetch, push
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for optimiser in [fetch.InterRemoteGitNonGitRepository,
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fetch.InterLocalGitNonGitRepository,
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push.InterToRemoteGitRepository]:
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repository.InterRepository.register_optimiser(optimiser)
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def add_fallback_repository(self, basis_url):
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raise errors.UnstackableRepositoryFormat(self._format,
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self.control_transport.base)
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def is_shared(self):
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def reconcile(self, other=None, thorough=False):
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"""Reconcile this repository."""
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reconciler = RepoReconciler(self, thorough=thorough)
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reconciler.reconcile()
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def supports_rich_root(self):
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def _warn_if_deprecated(self, branch=None):
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def _warn_if_deprecated(self, branch=None): # for bzr < 2.4
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# This class isn't deprecated
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GitRepository.__init__(self, gitdir, lockfiles)
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self.base = gitdir.root_transport.base
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self._git = gitdir._git
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self.signatures = None
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self.revisions = GitRevisions(self, self._git.object_store)
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self.inventories = None
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self.texts = GitTexts(self)
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self._file_change_scanner = GitFileLastChangeScanner(self)
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def get_commit_builder(self, branch, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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revision_id=None, lossy=False):
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"""Obtain a CommitBuilder for this repository.
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:param branch: Branch to commit to.
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:param parents: Revision ids of the parents of the new revision.
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:param config: Configuration to use.
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:param timestamp: Optional timestamp recorded for commit.
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:param timezone: Optional timezone for timestamp.
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:param committer: Optional committer to set for commit.
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:param revprops: Optional dictionary of revision properties.
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:param revision_id: Optional revision id.
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:param lossy: Whether to discard data that can not be natively
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represented, when pushing to a foreign VCS
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self.start_write_group()
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return GitCommitBuilder(self, parents, config,
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timestamp, timezone, committer, revprops, revision_id,
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def get_file_graph(self):
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return _mod_graph.Graph(GitFileParentProvider(
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self._file_change_scanner))
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def iter_files_bytes(self, desired_files):
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"""Iterate through file versions.
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Files will not necessarily be returned in the order they occur in
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desired_files. No specific order is guaranteed.
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Yields pairs of identifier, bytes_iterator. identifier is an opaque
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value supplied by the caller as part of desired_files. It should
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uniquely identify the file version in the caller's context. (Examples:
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an index number or a TreeTransform trans_id.)
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bytes_iterator is an iterable of bytestrings for the file. The
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kind of iterable and length of the bytestrings are unspecified, but for
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this implementation, it is a list of bytes produced by
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VersionedFile.get_record_stream().
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:param desired_files: a list of (file_id, revision_id, identifier)
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for (file_id, revision_id, identifier) in desired_files:
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per_revision.setdefault(revision_id, []).append(
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(file_id, identifier))
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for revid, files in per_revision.iteritems():
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(commit_id, mapping) = self.lookup_bzr_revision_id(revid)
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commit = self._git.object_store[commit_id]
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raise errors.RevisionNotPresent(revid, self)
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root_tree = commit.tree
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for fileid, identifier in files:
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path = mapping.parse_file_id(fileid)
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obj = tree_lookup_path(
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self._git.object_store.__getitem__, root_tree, path)
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if isinstance(obj, tuple):
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(mode, item_id) = obj
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obj = self._git.object_store[item_id]
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raise errors.RevisionNotPresent((fileid, revid), self)
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if obj.type_name == "tree":
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yield (identifier, [])
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elif obj.type_name == "blob":
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yield (identifier, obj.chunked)
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raise AssertionError("file text resolved to %r" % obj)
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def _iter_revision_ids(self):
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mapping = self.get_mapping()
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if not isinstance(o, Commit):
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rev, roundtrip_revid, verifiers = mapping.import_commit(o,
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self.lookup_foreign_revision_id)
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mapping.revision_id_foreign_to_bzr)
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yield o.id, rev.revision_id, roundtrip_revid
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def all_revision_ids(self):
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for git_sha, revid, roundtrip_revid in self._iter_revision_ids():
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if roundtrip_revid:
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ret.add(roundtrip_revid)
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def _get_parents(self, revid):
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if type(revid) != str:
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if revid == revision.NULL_REVISION:
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hexsha, mapping = self.lookup_bzr_revision_id(revid)
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except errors.NoSuchRevision:
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commit = self._git[hexsha]
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self.lookup_foreign_revision_id(p, mapping)
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for p in commit.parents]
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def get_parent_map(self, revids):
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for revision_id in revids:
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assert isinstance(revision_id, str)
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if revision_id == revision.NULL_REVISION:
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parent_map[revision_id] = ()
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hexsha, mapping = self.lookup_bzr_revision_id(revision_id)
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commit = self._git[hexsha]
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parent_map[revision_id] = [
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self.lookup_foreign_revision_id(p, mapping)
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for p in commit.parents]
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parents = self._get_parents(revision_id)
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if len(parents) == 0:
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parents = [revision.NULL_REVISION]
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parent_map[revision_id] = tuple(parents)
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return parent_map
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def get_ancestry(self, revision_id, topo_sorted=True):
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"""See Repository.get_ancestry().
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def get_known_graph_ancestry(self, revision_ids):
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"""Return the known graph for a set of revision ids and their ancestors.
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if revision_id is None:
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return [None, revision.NULL_REVISION] + self._all_revision_ids()
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assert isinstance(revision_id, str)
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graph = self.get_graph()
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for rev, parents in graph.iter_ancestry([revision_id]):
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return [None] + ancestry
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pending = set(revision_ids)
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for revid in pending:
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if revid == revision.NULL_REVISION:
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parents = self._get_parents(revid)
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if parents is not None:
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this_parent_map[revid] = parents
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parent_map.update(this_parent_map)
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map(pending.update, this_parent_map.itervalues())
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pending = pending.difference(parent_map)
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return _mod_graph.KnownGraph(parent_map)
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def get_signature_text(self, revision_id):
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raise errors.NoSuchRevision(self, revision_id)
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def check(self, revision_ids=None, callback_refs=None, check_repo=True):
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result = GitCheck(self, check_repo=check_repo)
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result.check(callback_refs)
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def pack(self, hint=None, clean_obsolete_packs=False):
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self._git.object_store.pack_loose_objects()
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assert type(foreign_revid) is str
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if mapping is None:
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mapping = self.get_mapping()
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from dulwich.protocol import (
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if foreign_revid == ZERO_SHA:
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return revision.NULL_REVISION
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commit = self._git[foreign_revid]
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commit = self._git.object_store[foreign_revid]
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while isinstance(commit, Tag):
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commit = self._git[commit.object[1]]
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rev, roundtrip_revid, verifiers = mapping.import_commit(commit,
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mapping.revision_id_foreign_to_bzr)
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# FIXME: check testament before doing this?
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if roundtrip_revid:
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return roundtrip_revid
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return (git_commit_id in self._git)
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def has_revisions(self, revision_ids):
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"""See Repository.has_revisions."""
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return set(filter(self.has_revision, revision_ids))
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def get_revisions(self, revids):
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"""See Repository.get_revisions."""
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return [self.get_revision(r) for r in revids]
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def revision_trees(self, revids):
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"""See Repository.revision_trees."""
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for revid in revids:
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yield self.revision_tree(revid)
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def revision_tree(self, revision_id):
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"""See Repository.revision_tree."""
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revision_id = revision.ensure_null(revision_id)
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if revision_id == revision.NULL_REVISION:
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inv = inventory.Inventory(root_id=None)
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inv.revision_id = revision_id
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return revisiontree.RevisionTree(self, inv, revision_id)
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return InventoryRevisionTree(self, inv, revision_id)
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return GitRevisionTree(self, revision_id)
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def get_inventory(self, revision_id):
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assert revision_id != None
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return self.revision_tree(revision_id).inventory
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raise NotImplementedError(self.get_inventory)
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def set_make_working_trees(self, trees):
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raise errors.UnsupportedOperation(self.set_make_working_trees, self)
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# TODO: Set bare= in the configuration bug=777065
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def fetch_objects(self, determine_wants, graph_walker, resolve_ext_ref,
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return self._git.fetch_objects(determine_wants, graph_walker, progress)
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def _get_versioned_file_checker(self, text_key_references=None,
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return GitVersionedFileChecker(self,
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text_key_references=text_key_references, ancestors=ancestors)
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class GitVersionedFileChecker(repository._VersionedFileChecker):
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def _check_file_version_parents(self, texts, progress_bar):
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class GitRepositoryFormat(repository.RepositoryFormat):
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"""Git repository format."""
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supports_versioned_directories = False
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supports_tree_reference = False
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rich_root_data = True
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supports_leaving_lock = False
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supports_funky_characters = True
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supports_external_lookups = False
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supports_full_versioned_files = False
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supports_revision_signatures = False
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revision_graph_can_have_wrong_parents = False
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def _matchingbzrdir(self):
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from bzrlib.plugins.git.dir import LocalGitControlDirFormat
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return LocalGitControlDirFormat()
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def get_format_description(self):
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return "Git Repository"
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def initialize(self, url, shared=False, _internal=False):
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raise errors.UninitializableFormat(self)
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def initialize(self, controldir, shared=False, _internal=False):
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from bzrlib.plugins.git.dir import GitDir
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if not isinstance(controldir, GitDir):
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raise errors.UninitializableFormat(self)
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return controldir.open_repository()
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def check_conversion_target(self, target_repo_format):
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452
return target_repo_format.rich_root_data