94
93
pb.show_pct = pb.show_count = False
96
95
pb.update("Finding revisions", 0, 2)
97
search_result = self._revids_to_fetch()
98
mutter('fetching: %s', search_result)
99
if search_result.is_empty():
96
search = self._revids_to_fetch()
97
mutter('fetching: %s', search)
101
100
pb.update("Fetching revisions", 1, 2)
102
self._fetch_everything_for_search(search_result)
101
self._fetch_everything_for_search(search)
152
151
install self._last_revision in self.to_repository.
154
153
:returns: A SearchResult of some sort. (Possibly a
155
PendingAncestryResult, EmptySearchResult, etc.)
154
PendingAncestryResult, EmptySearchResult, etc.)
157
if self._fetch_spec is not None:
156
mutter("self._fetch_spec, self._last_revision: %r, %r",
157
self._fetch_spec, self._last_revision)
158
get_search_result = getattr(self._fetch_spec, 'get_search_result', None)
159
if get_search_result is not None:
161
'resolving fetch_spec into search result: %s', self._fetch_spec)
162
# This is EverythingNotInOther or a similar kind of fetch_spec.
163
# Turn it into a search result.
164
return get_search_result()
165
elif self._fetch_spec is not None:
158
166
# The fetch spec is already a concrete search result.
159
167
return self._fetch_spec
160
168
elif self._last_revision == NULL_REVISION:
164
172
elif self._last_revision is not None:
165
173
return graph.NotInOtherForRevs(self.to_repository,
166
174
self.from_repository, [self._last_revision],
167
find_ghosts=self.find_ghosts).execute()
175
find_ghosts=self.find_ghosts).get_search_result()
168
176
else: # self._last_revision is None:
169
177
return graph.EverythingNotInOther(self.to_repository,
170
178
self.from_repository,
171
find_ghosts=self.find_ghosts).execute()
179
find_ghosts=self.find_ghosts).get_search_result()
174
182
class Inter1and2Helper(object):
331
339
selected_ids.append(parent_id)
332
340
parent_keys = [(root_id, parent_id) for parent_id in selected_ids]
333
341
return parent_keys
336
class TargetRepoKinds(object):
337
"""An enum-like set of constants.
339
They are the possible values of FetchSpecFactory.target_repo_kinds.
342
PREEXISTING = 'preexisting'
347
class FetchSpecFactory(object):
348
"""A helper for building the best fetch spec for a sprout call.
350
Factors that go into determining the sort of fetch to perform:
351
* did the caller specify any revision IDs?
352
* did the caller specify a source branch (need to fetch its
353
heads_to_fetch(), usually the tip + tags)
354
* is there an existing target repo (don't need to refetch revs it
356
* target is stacked? (similar to pre-existing target repo: even if
357
the target itself is new don't want to refetch existing revs)
359
:ivar source_branch: the source branch if one specified, else None.
360
:ivar source_branch_stop_revision_id: fetch up to this revision of
361
source_branch, rather than its tip.
362
:ivar source_repo: the source repository if one found, else None.
363
:ivar target_repo: the target repository acquired by sprout.
364
:ivar target_repo_kind: one of the TargetRepoKinds constants.
368
self._explicit_rev_ids = set()
369
self.source_branch = None
370
self.source_branch_stop_revision_id = None
371
self.source_repo = None
372
self.target_repo = None
373
self.target_repo_kind = None
375
def add_revision_ids(self, revision_ids):
376
"""Add revision_ids to the set of revision_ids to be fetched."""
377
self._explicit_rev_ids.update(revision_ids)
379
def make_fetch_spec(self):
380
"""Build a SearchResult or PendingAncestryResult or etc."""
381
if self.target_repo_kind is None or self.source_repo is None:
382
raise AssertionError(
383
'Incomplete FetchSpecFactory: %r' % (self.__dict__,))
384
if len(self._explicit_rev_ids) == 0 and self.source_branch is None:
385
# Caller hasn't specified any revisions or source branch
386
if self.target_repo_kind == TargetRepoKinds.EMPTY:
387
return graph.EverythingResult(self.source_repo)
389
# We want everything not already in the target (or target's
391
return graph.EverythingNotInOther(
392
self.target_repo, self.source_repo).execute()
393
heads_to_fetch = set(self._explicit_rev_ids)
394
if self.source_branch is not None:
395
must_fetch, if_present_fetch = self.source_branch.heads_to_fetch()
396
if self.source_branch_stop_revision_id is not None:
397
# Replace the tip rev from must_fetch with the stop revision
398
# XXX: this might be wrong if the tip rev is also in the
399
# must_fetch set for other reasons (e.g. it's the tip of
400
# multiple loom threads?), but then it's pretty unclear what it
401
# should mean to specify a stop_revision in that case anyway.
402
must_fetch.discard(self.source_branch.last_revision())
403
must_fetch.add(self.source_branch_stop_revision_id)
404
heads_to_fetch.update(must_fetch)
406
if_present_fetch = set()
407
if self.target_repo_kind == TargetRepoKinds.EMPTY:
408
# PendingAncestryResult does not raise errors if a requested head
409
# is absent. Ideally it would support the
410
# required_ids/if_present_ids distinction, but in practice
411
# heads_to_fetch will almost certainly be present so this doesn't
413
all_heads = heads_to_fetch.union(if_present_fetch)
414
return graph.PendingAncestryResult(all_heads, self.source_repo)
415
return graph.NotInOtherForRevs(self.target_repo, self.source_repo,
416
required_ids=heads_to_fetch, if_present_ids=if_present_fetch