114
112
def get_summary(self):
115
113
"""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]
115
return self.message.lstrip().split('\n', 1)[0]
124
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((1, 13, 0)))
125
117
def get_apparent_author(self):
126
118
"""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)
120
If the revision properties contain the author name,
121
return it. Otherwise return the committer name.
123
return self.properties.get('author', self.committer)
126
@deprecated_function(symbol_versioning.one_zero)
127
def is_ancestor(revision_id, candidate_id, branch):
128
"""Return true if candidate_id is an ancestor of revision_id.
130
A false negative will be returned if any intermediate descendent of
131
candidate_id is not present in any of the revision_sources.
133
revisions_source is an object supporting a get_revision operation that
134
behaves like Branch's.
136
This function is deprecated, it is better for callers to directly use
137
Graph.is_ancestor() (just watch out that the parameter order is switched)
139
return branch.repository.get_graph().is_ancestor(candidate_id, revision_id)
171
142
def iter_ancestors(revision_id, revision_source, only_present=False):
204
175
if anc_id not in found_ancestors:
205
176
found_ancestors[anc_id] = (anc_order, anc_distance)
206
177
return found_ancestors
209
180
def __get_closest(intersection):
210
181
intersection.sort()
212
183
for entry in intersection:
213
184
if entry[0] == intersection[0][0]:
214
185
matches.append(entry[2])
189
@deprecated_function(symbol_versioning.one_four)
190
def revision_graph(revision, revision_source):
191
"""Produce a graph of the ancestry of the specified revision.
193
:return: root, ancestors map, descendants map
195
revision_source.lock_read()
197
return _revision_graph(revision, revision_source)
199
revision_source.unlock()
202
def _revision_graph(revision, revision_source):
203
"""See revision_graph."""
204
from bzrlib.tsort import topo_sort
205
graph = revision_source.get_revision_graph(revision)
206
# mark all no-parent revisions as being NULL_REVISION parentage.
207
for node, parents in graph.items():
208
if len(parents) == 0:
209
graph[node] = [NULL_REVISION]
210
# add NULL_REVISION to the graph
211
graph[NULL_REVISION] = []
213
# pick a root. If there are multiple roots
214
# this could pick a random one.
215
topo_order = topo_sort(graph.items())
221
# map the descendants of the graph.
222
# and setup our set based return graph.
223
for node in graph.keys():
224
descendants[node] = {}
225
for node, parents in graph.items():
226
for parent in parents:
227
descendants[parent][node] = 1
228
ancestors[node] = set(parents)
230
assert root not in descendants[root]
231
assert root not in ancestors[root]
232
return root, ancestors, descendants
235
@deprecated_function(symbol_versioning.one_three)
236
def combined_graph(revision_a, revision_b, revision_source):
237
"""Produce a combined ancestry graph.
238
Return graph root, ancestors map, descendants map, set of common nodes"""
239
root, ancestors, descendants = revision_graph(
240
revision_a, revision_source)
241
root_b, ancestors_b, descendants_b = revision_graph(
242
revision_b, revision_source)
244
raise errors.NoCommonRoot(revision_a, revision_b)
246
for node, node_anc in ancestors_b.iteritems():
247
if node in ancestors:
250
ancestors[node] = set()
251
ancestors[node].update(node_anc)
252
for node, node_dec in descendants_b.iteritems():
253
if node not in descendants:
254
descendants[node] = {}
255
descendants[node].update(node_dec)
256
return root, ancestors, descendants, common
259
@deprecated_function(symbol_versioning.one_three)
260
def common_ancestor(revision_a, revision_b, revision_source,
262
if None in (revision_a, revision_b):
264
if NULL_REVISION in (revision_a, revision_b):
266
# trivial optimisation
267
if revision_a == revision_b:
271
pb.update('Picking ancestor', 1, 3)
272
graph = revision_source.get_revision_graph_with_ghosts(
273
[revision_a, revision_b])
274
# Shortcut the case where one of the tips is already included in
275
# the other graphs ancestry.
276
ancestry_a = graph.get_ancestry(revision_a, topo_sorted=False)
277
if revision_b in ancestry_a:
279
ancestry_b = graph.get_ancestry(revision_b, topo_sorted=False)
280
if revision_a in ancestry_b:
282
# convert to a NULL_REVISION based graph.
283
ancestors = graph.get_ancestors()
284
descendants = graph.get_descendants()
285
common = set(ancestry_a)
286
common.intersection_update(ancestry_b)
287
descendants[NULL_REVISION] = {}
288
ancestors[NULL_REVISION] = []
289
for root in graph.roots:
290
descendants[NULL_REVISION][root] = 1
291
ancestors[root].append(NULL_REVISION)
292
for ghost in graph.ghosts:
293
# ghosts act as roots for the purpose of finding
294
# the longest paths from the root: any ghost *might*
295
# be directly attached to the root, so we treat them
297
# ghost now descends from NULL
298
descendants[NULL_REVISION][ghost] = 1
299
# that is it has an ancestor of NULL
300
ancestors[ghost] = [NULL_REVISION]
301
# ghost is common if any of ghosts descendants are common:
302
for ghost_descendant in descendants[ghost]:
303
if ghost_descendant in common:
307
common.add(NULL_REVISION)
308
except errors.NoCommonRoot:
309
raise errors.NoCommonAncestor(revision_a, revision_b)
311
pb.update('Picking ancestor', 2, 3)
312
distances = deprecated_graph.node_distances(
313
descendants, ancestors, root)
314
pb.update('Picking ancestor', 3, 2)
315
farthest = deprecated_graph.select_farthest(distances, common)
316
if farthest is None or farthest == NULL_REVISION:
317
raise errors.NoCommonAncestor(revision_a, revision_b)
323
class MultipleRevisionSources(object):
324
"""Proxy that looks in multiple branches for revisions."""
326
@symbol_versioning.deprecated_method(symbol_versioning.one_three)
327
def __init__(self, *args):
328
object.__init__(self)
329
assert len(args) != 0
330
self._revision_sources = args
332
def revision_parents(self, revision_id):
333
for source in self._revision_sources:
335
return source.revision_parents(revision_id)
336
except (errors.WeaveRevisionNotPresent, errors.NoSuchRevision), e:
340
def get_revision(self, revision_id):
341
for source in self._revision_sources:
343
return source.get_revision(revision_id)
344
except errors.NoSuchRevision, e:
348
def get_revision_graph(self, revision_id):
349
# we could probe incrementally until the pending
350
# ghosts list stop growing, but its cheaper for now
351
# to just ask for the complete graph for each repository.
353
for source in self._revision_sources:
354
ghost_graph = source.get_revision_graph_with_ghosts()
355
graphs.append(ghost_graph)
358
if not revision_id in graph.get_ancestors():
360
if absent == len(graphs):
361
raise errors.NoSuchRevision(self._revision_sources[0], revision_id)
365
pending = set([revision_id])
366
def find_parents(node_id):
367
"""find the parents for node_id."""
369
ancestors = graph.get_ancestors()
371
return ancestors[node_id]
374
raise errors.NoSuchRevision(self._revision_sources[0], node_id)
376
# all the graphs should have identical parent lists
377
node_id = pending.pop()
379
result[node_id] = find_parents(node_id)
380
for parent_node in result[node_id]:
381
if not parent_node in result:
382
pending.add(parent_node)
383
except errors.NoSuchRevision:
388
def get_revision_graph_with_ghosts(self, revision_ids):
389
# query all the sources for their entire graphs
390
# and then build a combined graph for just
393
for source in self._revision_sources:
394
ghost_graph = source.get_revision_graph_with_ghosts()
395
graphs.append(ghost_graph.get_ancestors())
396
for revision_id in revision_ids:
399
if not revision_id in graph:
401
if absent == len(graphs):
402
raise errors.NoSuchRevision(self._revision_sources[0],
406
result = deprecated_graph.Graph()
407
pending = set(revision_ids)
409
def find_parents(node_id):
410
"""find the parents for node_id."""
413
return graph[node_id]
416
raise errors.NoSuchRevision(self._revision_sources[0], node_id)
418
# all the graphs should have identical parent lists
419
node_id = pending.pop()
421
parents = find_parents(node_id)
422
for parent_node in parents:
424
if (parent_node not in pending and
425
parent_node not in done):
427
pending.add(parent_node)
428
result.add_node(node_id, parents)
430
except errors.NoSuchRevision:
432
result.add_ghost(node_id)
437
for source in self._revision_sources:
441
for source in self._revision_sources:
218
445
def is_reserved_id(revision_id):
219
446
"""Determine whether a revision id is reserved
221
:return: True if the revision is reserved, False otherwise
448
:return: True if the revision is is reserved, False otherwise
223
450
return isinstance(revision_id, basestring) and revision_id.endswith(':')