114
114
def get_summary(self):
115
115
"""Get the first line of the log message for this revision.
117
Return an empty string if message is None.
120
return self.message.lstrip().split('\n', 1)[0]
117
return self.message.lstrip().split('\n', 1)[0]
124
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((1, 13, 0)))
125
119
def get_apparent_author(self):
126
120
"""Return the apparent author of this revision.
128
This method is deprecated in favour of get_apparent_authors.
130
If the revision properties contain any author names,
131
return the first. Otherwise return the committer name.
133
authors = self.get_apparent_authors()
139
def get_apparent_authors(self):
140
"""Return the apparent authors of this revision.
142
If the revision properties contain the names of the authors,
143
return them. Otherwise return the committer name.
145
The return value will be a list containing at least one element.
147
authors = self.properties.get('authors', None)
149
author = self.properties.get('author', self.committer)
154
return authors.split("\n")
157
"""Iterate over the bugs associated with this revision."""
158
bug_property = self.properties.get('bugs', None)
159
if bug_property is None:
161
for line in bug_property.splitlines():
163
url, status = line.split(None, 2)
165
raise errors.InvalidLineInBugsProperty(line)
166
if status not in bugtracker.ALLOWED_BUG_STATUSES:
167
raise errors.InvalidBugStatus(status)
122
If the revision properties contain the author name,
123
return it. Otherwise return the committer name.
125
return self.properties.get('author', self.committer)
171
128
def iter_ancestors(revision_id, revision_source, only_present=False):
204
161
if anc_id not in found_ancestors:
205
162
found_ancestors[anc_id] = (anc_order, anc_distance)
206
163
return found_ancestors
209
166
def __get_closest(intersection):
210
167
intersection.sort()
212
169
for entry in intersection:
213
170
if entry[0] == intersection[0][0]:
214
171
matches.append(entry[2])
175
@deprecated_function(symbol_versioning.one_four)
176
def revision_graph(revision, revision_source):
177
"""Produce a graph of the ancestry of the specified revision.
179
:return: root, ancestors map, descendants map
181
revision_source.lock_read()
183
return _revision_graph(revision, revision_source)
185
revision_source.unlock()
188
def _revision_graph(revision, revision_source):
189
"""See revision_graph."""
190
from bzrlib.tsort import topo_sort
191
graph = revision_source.get_revision_graph(revision)
192
# mark all no-parent revisions as being NULL_REVISION parentage.
193
for node, parents in graph.items():
194
if len(parents) == 0:
195
graph[node] = [NULL_REVISION]
196
# add NULL_REVISION to the graph
197
graph[NULL_REVISION] = []
199
# pick a root. If there are multiple roots
200
# this could pick a random one.
201
topo_order = topo_sort(graph.items())
207
# map the descendants of the graph.
208
# and setup our set based return graph.
209
for node in graph.keys():
210
descendants[node] = {}
211
for node, parents in graph.items():
212
for parent in parents:
213
descendants[parent][node] = 1
214
ancestors[node] = set(parents)
216
assert root not in descendants[root]
217
assert root not in ancestors[root]
218
return root, ancestors, descendants
221
@deprecated_function(symbol_versioning.one_three)
222
def combined_graph(revision_a, revision_b, revision_source):
223
"""Produce a combined ancestry graph.
224
Return graph root, ancestors map, descendants map, set of common nodes"""
225
root, ancestors, descendants = revision_graph(
226
revision_a, revision_source)
227
root_b, ancestors_b, descendants_b = revision_graph(
228
revision_b, revision_source)
230
raise errors.NoCommonRoot(revision_a, revision_b)
232
for node, node_anc in ancestors_b.iteritems():
233
if node in ancestors:
236
ancestors[node] = set()
237
ancestors[node].update(node_anc)
238
for node, node_dec in descendants_b.iteritems():
239
if node not in descendants:
240
descendants[node] = {}
241
descendants[node].update(node_dec)
242
return root, ancestors, descendants, common
245
@deprecated_function(symbol_versioning.one_three)
246
def common_ancestor(revision_a, revision_b, revision_source,
248
if None in (revision_a, revision_b):
250
if NULL_REVISION in (revision_a, revision_b):
252
# trivial optimisation
253
if revision_a == revision_b:
257
pb.update('Picking ancestor', 1, 3)
258
graph = revision_source.get_revision_graph_with_ghosts(
259
[revision_a, revision_b])
260
# Shortcut the case where one of the tips is already included in
261
# the other graphs ancestry.
262
ancestry_a = graph.get_ancestry(revision_a, topo_sorted=False)
263
if revision_b in ancestry_a:
265
ancestry_b = graph.get_ancestry(revision_b, topo_sorted=False)
266
if revision_a in ancestry_b:
268
# convert to a NULL_REVISION based graph.
269
ancestors = graph.get_ancestors()
270
descendants = graph.get_descendants()
271
common = set(ancestry_a)
272
common.intersection_update(ancestry_b)
273
descendants[NULL_REVISION] = {}
274
ancestors[NULL_REVISION] = []
275
for root in graph.roots:
276
descendants[NULL_REVISION][root] = 1
277
ancestors[root].append(NULL_REVISION)
278
for ghost in graph.ghosts:
279
# ghosts act as roots for the purpose of finding
280
# the longest paths from the root: any ghost *might*
281
# be directly attached to the root, so we treat them
283
# ghost now descends from NULL
284
descendants[NULL_REVISION][ghost] = 1
285
# that is it has an ancestor of NULL
286
ancestors[ghost] = [NULL_REVISION]
287
# ghost is common if any of ghosts descendants are common:
288
for ghost_descendant in descendants[ghost]:
289
if ghost_descendant in common:
293
common.add(NULL_REVISION)
294
except errors.NoCommonRoot:
295
raise errors.NoCommonAncestor(revision_a, revision_b)
297
pb.update('Picking ancestor', 2, 3)
298
distances = node_distances (descendants, ancestors, root)
299
pb.update('Picking ancestor', 3, 2)
300
farthest = select_farthest(distances, common)
301
if farthest is None or farthest == NULL_REVISION:
302
raise errors.NoCommonAncestor(revision_a, revision_b)
308
class MultipleRevisionSources(object):
309
"""Proxy that looks in multiple branches for revisions."""
311
@symbol_versioning.deprecated_method(symbol_versioning.one_three)
312
def __init__(self, *args):
313
object.__init__(self)
314
assert len(args) != 0
315
self._revision_sources = args
317
def revision_parents(self, revision_id):
318
for source in self._revision_sources:
320
return source.revision_parents(revision_id)
321
except (errors.WeaveRevisionNotPresent, errors.NoSuchRevision), e:
325
def get_revision(self, revision_id):
326
for source in self._revision_sources:
328
return source.get_revision(revision_id)
329
except errors.NoSuchRevision, e:
333
def get_revision_graph(self, revision_id):
334
# we could probe incrementally until the pending
335
# ghosts list stop growing, but its cheaper for now
336
# to just ask for the complete graph for each repository.
338
for source in self._revision_sources:
339
ghost_graph = source.get_revision_graph_with_ghosts()
340
graphs.append(ghost_graph)
343
if not revision_id in graph.get_ancestors():
345
if absent == len(graphs):
346
raise errors.NoSuchRevision(self._revision_sources[0], revision_id)
350
pending = set([revision_id])
351
def find_parents(node_id):
352
"""find the parents for node_id."""
354
ancestors = graph.get_ancestors()
356
return ancestors[node_id]
359
raise errors.NoSuchRevision(self._revision_sources[0], node_id)
361
# all the graphs should have identical parent lists
362
node_id = pending.pop()
364
result[node_id] = find_parents(node_id)
365
for parent_node in result[node_id]:
366
if not parent_node in result:
367
pending.add(parent_node)
368
except errors.NoSuchRevision:
373
def get_revision_graph_with_ghosts(self, revision_ids):
374
# query all the sources for their entire graphs
375
# and then build a combined graph for just
378
for source in self._revision_sources:
379
ghost_graph = source.get_revision_graph_with_ghosts()
380
graphs.append(ghost_graph.get_ancestors())
381
for revision_id in revision_ids:
384
if not revision_id in graph:
386
if absent == len(graphs):
387
raise errors.NoSuchRevision(self._revision_sources[0],
392
pending = set(revision_ids)
394
def find_parents(node_id):
395
"""find the parents for node_id."""
398
return graph[node_id]
401
raise errors.NoSuchRevision(self._revision_sources[0], node_id)
403
# all the graphs should have identical parent lists
404
node_id = pending.pop()
406
parents = find_parents(node_id)
407
for parent_node in parents:
409
if (parent_node not in pending and
410
parent_node not in done):
412
pending.add(parent_node)
413
result.add_node(node_id, parents)
415
except errors.NoSuchRevision:
417
result.add_ghost(node_id)
422
for source in self._revision_sources:
426
for source in self._revision_sources:
218
430
def is_reserved_id(revision_id):
219
431
"""Determine whether a revision id is reserved
221
:return: True if the revision is reserved, False otherwise
433
:return: True if the revision is is reserved, False otherwise
223
435
return isinstance(revision_id, basestring) and revision_id.endswith(':')