91
95
interrepo = repository.InterRepository.get(source, self)
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96
return interrepo.dfetch_refs(stop_revision)
98
def fetch_refs(self, source, stop_revision):
99
interrepo = repository.InterRepository.get(source, self)
100
return interrepo.fetch_refs(stop_revision)
95
103
class LocalGitRepository(GitRepository):
96
104
"""Git repository on the file system."""
98
106
def __init__(self, gitdir, lockfiles):
99
# FIXME: This also caches negatives. Need to be more careful
100
# about this once we start writing to git
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self._parents_provider = graph.CachingParentsProvider(self)
102
107
GitRepository.__init__(self, gitdir, lockfiles)
103
108
self.base = gitdir.root_transport.base
104
109
self._git = gitdir._git
107
112
self.inventories = None
108
113
self.texts = GitTexts(self)
115
def _iter_revision_ids(self):
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for sha in self._git.object_store:
117
o = self._git.object_store[sha]
118
if not isinstance(o, Commit):
120
rev = self.get_mapping().import_commit(o,
121
self.lookup_foreign_revision_id)
122
yield o.id, rev.revision_id
110
124
def all_revision_ids(self):
112
heads = self._git.refs.as_dict('refs/heads')
115
bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in heads.itervalues()]
117
graph = self.get_graph()
118
for rev, parents in graph.iter_ancestry(bzr_heads):
126
for git_sha, revid in self._iter_revision_ids():
122
def _make_parents_provider(self):
123
"""See Repository._make_parents_provider()."""
124
return self._parents_provider
126
130
def get_parent_map(self, revids):
128
132
for revision_id in revids:
133
137
hexsha, mapping = self.lookup_bzr_revision_id(revision_id)
135
commit = self._git.commit(hexsha)
139
commit = self._git[hexsha]
139
# Older versions of Dulwich used to return None rather than
143
parent_map[revision_id] = [mapping.revision_id_foreign_to_bzr(p) for p in commit.parents]
142
parent_map[revision_id] = [self.lookup_foreign_revision_id(p, mapping) for p in commit.parents]
144
143
return parent_map
146
145
def get_ancestry(self, revision_id, topo_sorted=True):
166
165
if mapping is None:
167
166
mapping = self.get_mapping()
168
return mapping.revision_id_foreign_to_bzr(foreign_revid)
167
from dulwich.protocol import (
170
if foreign_revid == ZERO_SHA:
171
return revision.NULL_REVISION
172
commit = self._git[foreign_revid]
173
rev = mapping.import_commit(commit, lambda x: None)
174
return rev.revision_id
170
176
def has_signature_for_revision_id(self, revision_id):
173
def lookup_bzr_revision_id(self, bzr_revid):
179
def lookup_bzr_revision_id(self, bzr_revid, mapping=None):
175
181
return mapping_registry.revision_id_bzr_to_foreign(bzr_revid)
176
182
except errors.InvalidRevisionId:
177
raise errors.NoSuchRevision(self, bzr_revid)
184
mapping = self.get_mapping()
186
return self._git.refs[mapping.revid_as_refname(bzr_revid)], mapping
188
# Update refs from Git commit objects
189
# FIXME: Hitting this a lot will be very inefficient...
190
for git_sha, revid in self._iter_revision_ids():
191
self._git.refs[mapping.revid_as_refname(revid)] = git_sha
192
if revid == bzr_revid:
193
return git_sha, mapping
194
raise errors.NoSuchRevision(self, bzr_revid)
179
196
def get_revision(self, revision_id):
180
197
git_commit_id, mapping = self.lookup_bzr_revision_id(revision_id)
182
commit = self._git.commit(git_commit_id)
199
commit = self._git[git_commit_id]
184
201
raise errors.NoSuchRevision(self, revision_id)
185
202
# print "fetched revision:", git_commit_id
186
revision = mapping.import_commit(commit)
203
revision = mapping.import_commit(commit,
204
self.lookup_foreign_revision_id)
187
205
assert revision is not None
190
208
def has_revision(self, revision_id):
192
self.get_revision(revision_id)
210
git_commit_id, mapping = self.lookup_bzr_revision_id(revision_id)
193
211
except errors.NoSuchRevision:
213
return (git_commit_id in self._git)
215
def has_revisions(self, revision_ids):
216
return set(filter(self.has_revision, revision_ids))
198
218
def get_revisions(self, revids):
199
219
return [self.get_revision(r) for r in revids]