127
95
:param blob: A git blob
128
96
:return: Inventory delta for this file
130
file_id = mapping.generate_file_id(path)
98
if mapping.is_control_file(path):
100
if base_hexsha == hexsha and base_mode == mode:
101
# If nothing has changed since the base revision, we're done
103
file_id = lookup_file_id(path)
104
if stat.S_ISLNK(mode):
132
105
cls = InventoryLink
134
107
cls = InventoryFile
135
# We just have to hope this is indeed utf-8:
136
ie = cls(file_id, urlutils.basename(path).decode("utf-8"), parent_id)
137
ie.executable = executable
139
# See if this has changed at all
141
base_ie = base_inv[file_id]
146
base_sha = base_ie.text_id
149
base_sha = shagitmap.lookup_blob(file_id, base_ie.revision)
153
if (base_sha == hexsha and base_ie.executable == ie.executable
154
and base_ie.kind == ie.kind):
155
# If nothing has changed since the base revision, we're done
157
if base_sha == hexsha:
108
ie = cls(file_id, name.decode("utf-8"), parent_id)
109
if ie.kind == "file":
110
ie.executable = mode_is_executable(mode)
111
if base_hexsha == hexsha and mode_kind(base_mode) == mode_kind(mode):
112
base_ie = base_inv[base_inv.path2id(path)]
158
113
ie.text_size = base_ie.text_size
159
114
ie.text_sha1 = base_ie.text_sha1
160
ie.symlink_target = base_ie.symlink_target
161
ie.revision = base_ie.revision
115
if ie.kind == "symlink":
116
ie.symlink_target = base_ie.symlink_target
117
if ie.executable == base_ie.executable:
118
ie.revision = base_ie.revision
120
blob = lookup_object(hexsha)
163
122
blob = lookup_object(hexsha)
164
123
if ie.kind == "symlink":
165
125
ie.symlink_target = blob.data
169
ie.text_size = len(blob.data)
170
ie.text_sha1 = osutils.sha_string(blob.data)
127
ie.text_size = sum(imap(len, blob.chunked))
128
ie.text_sha1 = osutils.sha_strings(blob.chunked)
171
129
# Check what revision we should store
173
131
for pinv in parent_invs:
174
if pinv.revision_id == base_inv.revision_id:
183
if pie.text_sha1 == ie.text_sha1:
136
if (pie.text_sha1 == ie.text_sha1 and
137
pie.executable == ie.executable and
138
pie.symlink_target == ie.symlink_target):
184
139
# found a revision in one of the parents to use
185
140
ie.revision = pie.revision
187
parent_keys.append((file_id, pie.revision))
142
parent_key = (file_id, pie.revision)
143
if not parent_key in parent_keys:
144
parent_keys.append(parent_key)
188
145
if ie.revision is None:
189
146
# Need to store a new revision
190
147
ie.revision = revision_id
191
assert file_id is not None
192
148
assert ie.revision is not None
193
texts.add_lines((file_id, ie.revision), tuple(parent_keys),
194
osutils.split_lines(blob.data))
195
shamap = [(hexsha, "blob", (ie.file_id, ie.revision))]
198
if file_id in base_inv:
199
old_path = base_inv.id2path(file_id)
149
if ie.kind == 'symlink':
152
chunks = blob.chunked
153
texts.insert_record_stream([
154
ChunkedContentFactory((file_id, ie.revision),
155
tuple(parent_keys), ie.text_sha1, chunks)])
157
if base_hexsha is not None:
158
old_path = path.decode("utf-8") # Renames are not supported yet
159
if stat.S_ISDIR(base_mode):
160
invdelta.extend(remove_disappeared_children(base_inv, old_path,
161
lookup_object(base_hexsha), [], lookup_object))
202
return ([(old_path, path, file_id, ie)], shamap)
205
def import_git_tree(texts, mapping, path, hexsha, base_inv, parent_id,
206
revision_id, parent_invs, shagitmap, lookup_object):
164
new_path = path.decode("utf-8")
165
invdelta.append((old_path, new_path, file_id, ie))
166
if base_hexsha != hexsha:
167
store_updater.add_object(blob, ie, path)
171
class SubmodulesRequireSubtrees(BzrError):
172
_fmt = """The repository you are fetching from contains submodules. To continue, upgrade your Bazaar repository to a format that supports nested trees, such as 'development-subtree'."""
176
def import_git_submodule(texts, mapping, path, name, (base_hexsha, hexsha),
177
base_inv, parent_id, revision_id, parent_invs, lookup_object,
178
(base_mode, mode), store_updater, lookup_file_id):
179
if base_hexsha == hexsha and base_mode == mode:
181
file_id = lookup_file_id(path)
182
ie = TreeReference(file_id, name.decode("utf-8"), parent_id)
183
ie.revision = revision_id
184
if base_hexsha is None:
188
ie.reference_revision = mapping.revision_id_foreign_to_bzr(hexsha)
189
texts.insert_record_stream([
190
ChunkedContentFactory((file_id, ie.revision), (), None, [])])
191
invdelta = [(oldpath, path, file_id, ie)]
195
def remove_disappeared_children(base_inv, path, base_tree, existing_children,
197
"""Generate an inventory delta for removed children.
199
:param base_inv: Base inventory against which to generate the
201
:param path: Path to process (unicode)
202
:param base_tree: Git Tree base object
203
:param existing_children: Children that still exist
204
:param lookup_object: Lookup a git object by its SHA1
205
:return: Inventory delta, as list
207
assert type(path) is unicode
209
for name, mode, hexsha in base_tree.iteritems():
210
if name in existing_children:
212
c_path = posixpath.join(path, name.decode("utf-8"))
213
file_id = base_inv.path2id(c_path)
214
assert file_id is not None
215
ret.append((c_path, None, file_id, None))
216
if stat.S_ISDIR(mode):
217
ret.extend(remove_disappeared_children(
218
base_inv, c_path, lookup_object(hexsha), [], lookup_object))
222
def import_git_tree(texts, mapping, path, name, (base_hexsha, hexsha),
223
base_inv, parent_id, revision_id, parent_invs,
224
lookup_object, (base_mode, mode), store_updater,
225
lookup_file_id, allow_submodules=False):
207
226
"""Import a git tree object into a bzr repository.
209
228
:param texts: VersionedFiles object to add to
210
:param path: Path in the tree
229
:param path: Path in the tree (str)
230
:param name: Name of the tree (str)
211
231
:param tree: A git tree object
212
232
:param base_inv: Base inventory against which to return inventory delta
213
233
:return: Inventory delta for this subtree
235
assert type(path) is str
236
assert type(name) is str
237
if base_hexsha == hexsha and base_mode == mode:
238
# If nothing has changed since the base revision, we're done
216
file_id = mapping.generate_file_id(path)
241
file_id = lookup_file_id(path)
217
242
# We just have to hope this is indeed utf-8:
218
ie = InventoryDirectory(file_id, urlutils.basename(path.decode("utf-8")),
222
base_ie = base_inv[file_id]
224
# Newly appeared here
243
ie = InventoryDirectory(file_id, name.decode("utf-8"), parent_id)
244
tree = lookup_object(hexsha)
245
if base_hexsha is None:
247
old_path = None # Newly appeared here
249
base_tree = lookup_object(base_hexsha)
250
old_path = path.decode("utf-8") # Renames aren't supported yet
251
new_path = path.decode("utf-8")
252
if base_tree is None or type(base_tree) is not Tree:
226
253
ie.revision = revision_id
227
texts.add_lines((file_id, ie.revision), (), [])
228
invdelta.append((None, path, file_id, ie))
230
base_sha = base_ie.text_id
231
# See if this has changed at all
234
base_sha = shagitmap.lookup_tree(file_id, base_inv.revision_id)
238
if base_sha == hexsha:
239
# If nothing has changed since the base revision, we're done
254
invdelta.append((old_path, new_path, ie.file_id, ie))
255
texts.insert_record_stream([
256
ChunkedContentFactory((ie.file_id, ie.revision), (), None, [])])
241
257
# Remember for next time
242
258
existing_children = set()
245
tree = lookup_object(hexsha)
246
for mode, name, child_hexsha in tree.entries():
247
basename = name.decode("utf-8")
248
existing_children.add(basename)
249
child_path = osutils.pathjoin(path, name)
250
if stat.S_ISDIR(mode):
251
subinvdelta, grandchildmodes, subshamap = import_git_tree(texts,
252
mapping, child_path, child_hexsha, base_inv, file_id,
253
revision_id, parent_invs, shagitmap, lookup_object)
254
invdelta.extend(subinvdelta)
255
child_modes.update(grandchildmodes)
256
shamap.extend(subshamap)
258
fs_mode = stat.S_IMODE(mode)
259
symlink = stat.S_ISLNK(mode)
260
subinvdelta, subshamap = import_git_blob(texts, mapping,
261
child_path, child_hexsha, base_inv, file_id, revision_id,
262
parent_invs, shagitmap, lookup_object,
263
bool(fs_mode & 0111), symlink)
264
invdelta.extend(subinvdelta)
265
shamap.extend(subshamap)
266
if mode not in (stat.S_IFDIR, DEFAULT_FILE_MODE,
260
for child_mode, name, child_hexsha in tree.entries():
261
existing_children.add(name)
262
child_path = posixpath.join(path, name)
263
if type(base_tree) is Tree:
265
child_base_mode, child_base_hexsha = base_tree[name]
267
child_base_hexsha = None
270
child_base_hexsha = None
272
if stat.S_ISDIR(child_mode):
273
subinvdelta, grandchildmodes = import_git_tree(texts, mapping,
274
child_path, name, (child_base_hexsha, child_hexsha), base_inv,
275
file_id, revision_id, parent_invs, lookup_object,
276
(child_base_mode, child_mode), store_updater, lookup_file_id,
277
allow_submodules=allow_submodules)
278
elif S_ISGITLINK(child_mode): # submodule
279
if not allow_submodules:
280
raise SubmodulesRequireSubtrees()
281
subinvdelta, grandchildmodes = import_git_submodule(texts, mapping,
282
child_path, name, (child_base_hexsha, child_hexsha), base_inv,
283
file_id, revision_id, parent_invs, lookup_object,
284
(child_base_mode, child_mode), store_updater, lookup_file_id)
286
subinvdelta = import_git_blob(texts, mapping, child_path, name,
287
(child_base_hexsha, child_hexsha), base_inv, file_id,
288
revision_id, parent_invs, lookup_object,
289
(child_base_mode, child_mode), store_updater, lookup_file_id)
291
child_modes.update(grandchildmodes)
292
invdelta.extend(subinvdelta)
293
if child_mode not in (stat.S_IFDIR, DEFAULT_FILE_MODE,
267
294
stat.S_IFLNK, DEFAULT_FILE_MODE|0111):
268
child_modes[child_path] = mode
295
child_modes[child_path] = child_mode
269
296
# Remove any children that have disappeared
270
if base_ie is not None:
271
deletable = [v for k,v in base_ie.children.iteritems() if k not in existing_children]
274
invdelta.append((base_inv.id2path(ie.file_id), None, ie.file_id, None))
275
if ie.kind == "directory":
276
deletable.extend(ie.children.values())
277
shamap.append((hexsha, "tree", (file_id, revision_id)))
278
return invdelta, child_modes, shamap
281
def import_git_objects(repo, mapping, object_iter, target_git_object_retriever,
297
if base_tree is not None and type(base_tree) is Tree:
298
invdelta.extend(remove_disappeared_children(base_inv, old_path,
299
base_tree, existing_children, lookup_object))
300
store_updater.add_object(tree, ie, path)
301
return invdelta, child_modes
304
def verify_commit_reconstruction(target_git_object_retriever, lookup_object,
305
o, rev, ret_tree, parent_trees, mapping, unusual_modes):
306
new_unusual_modes = mapping.export_unusual_file_modes(rev)
307
if new_unusual_modes != unusual_modes:
308
raise AssertionError("unusual modes don't match: %r != %r" % (
309
unusual_modes, new_unusual_modes))
310
# Verify that we can reconstruct the commit properly
311
rec_o = target_git_object_retriever._reconstruct_commit(rev, o.tree, True)
313
raise AssertionError("Reconstructed commit differs: %r != %r" % (
317
for path, obj, ie in _tree_to_objects(ret_tree, parent_trees,
318
target_git_object_retriever._cache.idmap, unusual_modes, mapping.BZR_DUMMY_FILE):
319
old_obj_id = tree_lookup_path(lookup_object, o.tree, path)[1]
321
if obj.id != old_obj_id:
322
diff.append((path, lookup_object(old_obj_id), obj))
323
for (path, old_obj, new_obj) in diff:
324
while (old_obj.type_name == "tree" and
325
new_obj.type_name == "tree" and
326
sorted(old_obj) == sorted(new_obj)):
328
if old_obj[name][0] != new_obj[name][0]:
329
raise AssertionError("Modes for %s differ: %o != %o" %
330
(path, old_obj[name][0], new_obj[name][0]))
331
if old_obj[name][1] != new_obj[name][1]:
332
# Found a differing child, delve deeper
333
path = posixpath.join(path, name)
334
old_obj = lookup_object(old_obj[name][1])
335
new_obj = new_objs[path]
337
raise AssertionError("objects differ for %s: %r != %r" % (path,
341
def import_git_commit(repo, mapping, head, lookup_object,
342
target_git_object_retriever, trees_cache):
343
o = lookup_object(head)
344
rev = mapping.import_commit(o,
345
lambda x: target_git_object_retriever.lookup_git_sha(x)[1][0])
346
# We have to do this here, since we have to walk the tree and
347
# we need to make sure to import the blobs / trees with the right
348
# path; this may involve adding them more than once.
349
parent_trees = trees_cache.revision_trees(rev.parent_ids)
350
if parent_trees == []:
351
base_inv = Inventory(root_id=None)
355
base_inv = parent_trees[0].inventory
356
base_tree = lookup_object(o.parents[0]).tree
357
base_mode = stat.S_IFDIR
358
store_updater = target_git_object_retriever._get_updater(rev)
359
store_updater.add_object(o, None, None)
360
fileid_map = mapping.get_fileid_map(lookup_object, o.tree)
361
inv_delta, unusual_modes = import_git_tree(repo.texts,
362
mapping, "", "", (base_tree, o.tree), base_inv,
363
None, rev.revision_id, [p.inventory for p in parent_trees],
364
lookup_object, (base_mode, stat.S_IFDIR), store_updater,
365
fileid_map.lookup_file_id,
366
allow_submodules=getattr(repo._format, "supports_tree_reference", False))
367
store_updater.finish()
368
if unusual_modes != {}:
369
for path, mode in unusual_modes.iteritems():
370
warn_unusual_mode(rev.foreign_revid, path, mode)
371
mapping.import_unusual_file_modes(rev, unusual_modes)
373
basis_id = rev.parent_ids[0]
375
basis_id = NULL_REVISION
377
rev.inventory_sha1, inv = repo.add_inventory_by_delta(basis_id,
378
inv_delta, rev.revision_id, rev.parent_ids, base_inv)
379
ret_tree = RevisionTree(repo, inv, rev.revision_id)
380
trees_cache.add(ret_tree)
381
repo.add_revision(rev.revision_id, rev)
382
if "verify" in debug.debug_flags:
383
verify_commit_reconstruction(target_git_object_retriever,
384
lookup_object, o, rev, ret_tree, parent_trees, mapping,
388
def import_git_objects(repo, mapping, object_iter,
389
target_git_object_retriever, heads, pb=None, limit=None):
283
390
"""Import a set of git objects into a bzr repository.
285
:param repo: Bazaar repository
392
:param repo: Target Bazaar repository
286
393
:param mapping: Mapping to use
287
394
:param object_iter: Iterator over Git objects.
395
:return: Tuple with pack hints and last imported revision id
289
# TODO: a more (memory-)efficient implementation of this
397
def lookup_object(sha):
399
return object_iter[sha]
401
return target_git_object_retriever[sha]
295
parent_invs_cache = LRUCache(50)
404
heads = list(set(heads))
405
trees_cache = LRUTreeCache(repo)
296
406
# Find and convert commit objects
298
408
if pb is not None:
300
410
head = heads.pop()
301
411
assert isinstance(head, str)
303
o = object_iter[head]
413
o = lookup_object(head)
306
416
if isinstance(o, Commit):
307
rev = mapping.import_commit(o)
417
rev = mapping.import_commit(o, lambda x: None)
308
418
if repo.has_revision(rev.revision_id):
310
root_trees[rev.revision_id] = o.tree
311
revisions[rev.revision_id] = rev
312
graph.append((rev.revision_id, rev.parent_ids))
313
target_git_object_retriever._idmap.add_entry(o.id, "commit",
314
(rev.revision_id, o.tree))
420
graph.append((o.id, o.parents))
315
421
heads.extend([p for p in o.parents if p not in checked])
316
422
elif isinstance(o, Tag):
317
heads.append(o.object[1])
423
if o.object[1] not in checked:
424
heads.append(o.object[1])
319
426
trace.warning("Unable to import head object %r" % o)
321
429
# Order the revisions
322
430
# Create the inventory objects
323
for i, revid in enumerate(topo_sort(graph)):
325
pb.update("fetching revisions", i, len(graph))
326
rev = revisions[revid]
327
# We have to do this here, since we have to walk the tree and
328
# we need to make sure to import the blobs / trees with the right
329
# path; this may involve adding them more than once.
330
def lookup_object(sha):
332
return object_iter[sha]
334
return target_git_object_retriever[sha]
336
for parent_id in rev.parent_ids:
338
parent_invs.append(parent_invs_cache[parent_id])
340
parent_inv = repo.get_inventory(parent_id)
341
parent_invs.append(parent_inv)
342
parent_invs_cache[parent_id] = parent_inv
343
if parent_invs == []:
344
base_inv = Inventory(root_id=None)
432
revision_ids = topo_sort(graph)
434
if limit is not None:
435
revision_ids = revision_ids[:limit]
437
for offset in range(0, len(revision_ids), batch_size):
438
target_git_object_retriever.start_write_group()
440
repo.start_write_group()
442
for i, head in enumerate(
443
revision_ids[offset:offset+batch_size]):
445
pb.update("fetching revisions", offset+i,
447
import_git_commit(repo, mapping, head, lookup_object,
448
target_git_object_retriever, trees_cache)
451
repo.abort_write_group()
454
hint = repo.commit_write_group()
456
pack_hints.extend(hint)
458
target_git_object_retriever.abort_write_group()
346
base_inv = parent_invs[0]
347
inv_delta, unusual_modes, shamap = import_git_tree(repo.texts,
348
mapping, "", root_trees[revid], base_inv, None, revid,
349
parent_invs, target_git_object_retriever._idmap, lookup_object)
350
target_git_object_retriever._idmap.add_entries(shamap)
351
if unusual_modes != {}:
352
ret = "unusual modes: \n"
353
for item in unusual_modes.iteritems():
354
ret += "\t%s: %o\n" % item
355
raise AssertionError(ret)
357
basis_id = rev.parent_ids[0]
359
basis_id = NULL_REVISION
360
rev.inventory_sha1, inv = repo.add_inventory_by_delta(basis_id,
361
inv_delta, rev.revision_id, rev.parent_ids)
362
parent_invs_cache[rev.revision_id] = inv
363
repo.add_revision(rev.revision_id, rev)
364
if "verify" in debug.debug_flags:
365
objs = inventory_to_tree_and_blobs(inv, repo.texts, mapping)
366
for sha1, newobj, path in objs:
367
assert path is not None
368
oldobj = tree_lookup_path(lookup_object, root_trees[revid], path)
369
assert oldobj == newobj, "%r != %r in %s" % (oldobj, newobj, path)
371
target_git_object_retriever._idmap.commit()
374
class InterGitNonGitRepository(InterRepository):
375
"""Base InterRepository that copies revisions from a Git into a non-Git
461
target_git_object_retriever.commit_write_group()
462
return pack_hints, last_imported
465
class InterGitRepository(InterRepository):
378
467
_matching_repo_format = GitRepositoryFormat()
400
500
interesting_heads = fetch_spec.heads
402
502
interesting_heads = None
404
503
def determine_wants(refs):
406
504
if interesting_heads is None:
407
505
ret = [sha for (ref, sha) in refs.iteritems() if not ref.endswith("^{}")]
409
ret = [mapping.revision_id_bzr_to_foreign(revid)[0] for revid in interesting_heads if revid != NULL_REVISION]
410
return [rev for rev in ret if not self.target.has_revision(mapping.revision_id_foreign_to_bzr(rev))]
411
self.fetch_objects(determine_wants, mapping, pb)
507
ret = [self.source.lookup_bzr_revision_id(revid)[0] for revid in interesting_heads if revid not in (None, NULL_REVISION)]
508
return [rev for rev in ret if not self.target.has_revision(self.source.lookup_foreign_revision_id(rev))]
509
(pack_hint, _, remote_refs) = self.fetch_objects(determine_wants, mapping, pb)
510
if pack_hint is not None and self.target._format.pack_compresses:
511
self.target.pack(hint=pack_hint)
515
_GIT_PROGRESS_RE = re.compile(r"(.*?): +(\d+)% \((\d+)/(\d+)\)")
516
def report_git_progress(pb, text):
517
text = text.rstrip("\r\n")
518
g = _GIT_PROGRESS_RE.match(text)
520
(text, pct, current, total) = g.groups()
521
pb.update(text, int(current), int(total))
523
pb.update(text, 0, 0)
526
class DetermineWantsRecorder(object):
528
def __init__(self, actual):
531
self.remote_refs = {}
533
def __call__(self, refs):
534
self.remote_refs = refs
535
self.wants = self.actual(refs)
416
539
class InterRemoteGitNonGitRepository(InterGitNonGitRepository):
417
"""InterRepository that copies revisions from a remote Git into a non-Git
540
"""InterRepository that copies revisions from a remote Git into a non-Git
420
def fetch_objects(self, determine_wants, mapping, pb=None):
543
def get_target_heads(self):
544
# FIXME: This should be more efficient
545
all_revs = self.target.all_revision_ids()
546
parent_map = self.target.get_parent_map(all_revs)
548
map(all_parents.update, parent_map.itervalues())
549
return set(all_revs) - all_parents
551
def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):
552
"""See `InterGitNonGitRepository`."""
421
553
def progress(text):
422
pb.update("git: %s" % text.rstrip("\r\n"), 0, 0)
423
graph_walker = BzrFetchGraphWalker(self.target, mapping)
426
create_pb = pb = ui.ui_factory.nested_progress_bar()
427
target_git_object_retriever = BazaarObjectStore(self.target, mapping)
430
def record_determine_wants(heads):
431
wants = determine_wants(heads)
432
recorded_wants.extend(wants)
554
report_git_progress(pb, text)
555
store = BazaarObjectStore(self.target, mapping)
556
self.target.lock_write()
436
self.target.lock_write()
558
heads = self.get_target_heads()
559
graph_walker = store.get_graph_walker(
560
[store._lookup_revision_sha1(head) for head in heads])
561
wants_recorder = DetermineWantsRecorder(determine_wants)
565
create_pb = pb = ui.ui_factory.nested_progress_bar()
438
self.target.start_write_group()
440
objects_iter = self.source.fetch_objects(
441
record_determine_wants,
443
target_git_object_retriever.get_raw,
445
import_git_objects(self.target, mapping, objects_iter,
446
target_git_object_retriever, recorded_wants, pb)
448
self.target.commit_write_group()
567
objects_iter = self.source.fetch_objects(
568
wants_recorder, graph_walker, store.get_raw,
570
(pack_hint, last_rev) = import_git_objects(self.target, mapping,
571
objects_iter, store, wants_recorder.wants, pb, limit)
572
return (pack_hint, last_rev, wants_recorder.remote_refs)
456
580
def is_compatible(source, target):
457
581
"""Be compatible with GitRepository."""
458
# FIXME: Also check target uses VersionedFile
459
return (isinstance(source, RemoteGitRepository) and
582
return (isinstance(source, RemoteGitRepository) and
460
583
target.supports_rich_root() and
461
not isinstance(target, GitRepository))
584
not isinstance(target, GitRepository) and
585
target.texts is not None)
464
588
class InterLocalGitNonGitRepository(InterGitNonGitRepository):
465
"""InterRepository that copies revisions from a remote Git into a non-Git
589
"""InterRepository that copies revisions from a local Git into a non-Git
468
def fetch_objects(self, determine_wants, mapping, pb=None):
469
wants = determine_wants(self.source._git.get_refs())
592
def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):
593
"""See `InterGitNonGitRepository`."""
594
remote_refs = self.source._git.get_refs()
595
wants = determine_wants(remote_refs)
472
598
create_pb = pb = ui.ui_factory.nested_progress_bar()
491
614
def is_compatible(source, target):
492
615
"""Be compatible with GitRepository."""
493
# FIXME: Also check target uses VersionedFile
494
return (isinstance(source, LocalGitRepository) and
616
return (isinstance(source, LocalGitRepository) and
495
617
target.supports_rich_root() and
496
not isinstance(target, GitRepository))
499
class InterGitRepository(InterRepository):
618
not isinstance(target, GitRepository) and
619
target.texts is not None)
622
class InterGitGitRepository(InterGitRepository):
500
623
"""InterRepository that copies between Git repositories."""
502
_matching_repo_format = GitRepositoryFormat()
505
def _get_repo_format_to_test():
508
def copy_content(self, revision_id=None, pb=None):
509
"""See InterRepository.copy_content."""
510
self.fetch(revision_id, pb, find_ghosts=False)
512
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
513
mapping=None, fetch_spec=None):
625
def fetch_objects(self, determine_wants, mapping, pb=None):
627
trace.note("git: %s", text)
628
graphwalker = self.target._git.get_graph_walker()
629
if (isinstance(self.source, LocalGitRepository) and
630
isinstance(self.target, LocalGitRepository)):
631
refs = self.source._git.fetch(self.target._git, determine_wants,
633
return (None, None, refs)
634
elif (isinstance(self.source, LocalGitRepository) and
635
isinstance(self.target, RemoteGitRepository)):
636
raise NotImplementedError
637
elif (isinstance(self.source, RemoteGitRepository) and
638
isinstance(self.target, LocalGitRepository)):
639
f, commit = self.target._git.object_store.add_thin_pack()
641
refs = self.source.bzrdir.root_transport.fetch_pack(
642
determine_wants, graphwalker, f.write, progress)
644
return (None, None, refs)
651
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
652
mapping=None, fetch_spec=None, branches=None):
514
653
if mapping is None:
515
654
mapping = self.source.get_mapping()
517
trace.info("git: %s", text)
518
655
r = self.target._git
519
656
if revision_id is not None:
520
657
args = [mapping.revision_id_bzr_to_foreign(revision_id)[0]]
521
658
elif fetch_spec is not None:
522
659
args = [mapping.revision_id_bzr_to_foreign(revid)[0] for revid in fetch_spec.heads]
523
if fetch_spec is None and revision_id is None:
660
if branches is not None:
661
determine_wants = lambda x: [x[y] for y in branches if not x[y] in r.object_store]
662
elif fetch_spec is None and revision_id is None:
524
663
determine_wants = r.object_store.determine_wants_all
526
665
determine_wants = lambda x: [y for y in args if not y in r.object_store]
528
graphwalker = SimpleFetchGraphWalker(r.heads().values(), r.get_parents)
529
f, commit = r.object_store.add_thin_pack()
531
self.source.fetch_pack(determine_wants, graphwalker, f.write, progress)
666
self.fetch_objects(determine_wants, mapping)
538
669
def is_compatible(source, target):
539
670
"""Be compatible with GitRepository."""
540
return (isinstance(source, GitRepository) and
671
return (isinstance(source, GitRepository) and
541
672
isinstance(target, GitRepository))