88
92
"property. ", mode, path, commit)
91
def squash_revision(target_repo, rev):
92
"""Remove characters that can't be stored from a revision, if necessary.
94
:param target_repo: Repository in which the revision will be stored
95
:param rev: Revision object, will be modified in-place
97
if not getattr(target_repo._serializer, "squashes_xml_invalid_characters", True):
99
from bzrlib.xml_serializer import escape_invalid_chars
100
rev.message, num_escaped = escape_invalid_chars(rev.message)
102
warn_escaped(rev.foreign_revid, num_escaped)
103
if 'author' in rev.properties:
104
rev.properties['author'], num_escaped = escape_invalid_chars(
105
rev.properties['author'])
107
warn_escaped(rev.foreign_revid, num_escaped)
108
rev.committer, num_escaped = escape_invalid_chars(rev.committer)
110
warn_escaped(rev.foreign_revid, num_escaped)
113
95
class BzrGitMapping(foreign.VcsMapping):
114
96
"""Class that maps between Git and Bazaar semantics."""
115
97
experimental = False
99
BZR_FILE_IDS_FILE = None
101
BZR_DUMMY_FILE = None
117
103
def __init__(self):
118
104
super(BzrGitMapping, self).__init__(foreign_git)
120
106
def __eq__(self, other):
121
return (type(self) == type(other) and
107
return (type(self) == type(other) and
122
108
self.revid_prefix == other.revid_prefix)
141
127
# We must just hope they are valid UTF-8..
130
if type(path) is unicode:
131
path = path.encode("utf-8")
144
132
return escape_file_id(path)
134
def is_control_file(self, path):
135
return path in (self.BZR_FILE_IDS_FILE, self.BZR_DUMMY_FILE)
146
137
def parse_file_id(self, file_id):
147
138
if file_id == ROOT_ID:
149
140
return unescape_file_id(file_id)
142
def revid_as_refname(self, revid):
144
return "refs/bzr/%s" % urllib.quote(revid)
151
146
def import_unusual_file_modes(self, rev, unusual_file_modes):
152
147
if unusual_file_modes:
153
148
ret = [(path, unusual_file_modes[path])
191
186
def _extract_git_svn_metadata(self, rev, message):
192
187
lines = message.split("\n")
193
if not (lines[-1] == "" and lines[-2].startswith("git-svn-id:")):
188
if not (lines[-1] == "" and len(lines) >= 2 and lines[-2].startswith("git-svn-id:")):
195
190
git_svn_id = lines[-2].split(": ", 1)[1]
196
191
rev.properties['git-svn-id'] = git_svn_id
211
206
[(new, old) for (old, new) in renames.iteritems()]))
209
def _extract_bzr_metadata(self, rev, message):
210
(message, metadata) = extract_bzr_metadata(message)
211
return message, metadata
214
213
def _decode_commit_message(self, rev, message, encoding):
215
return message.decode(encoding)
214
return message.decode(encoding), BzrGitRevisionMetadata()
217
216
def _encode_commit_message(self, rev, message, encoding):
218
217
return message.encode(encoding)
220
def export_commit(self, rev, tree_sha, parent_lookup):
219
def export_fileid_map(self, fileid_map):
220
"""Export a file id map to a fileid map.
222
:param fileid_map: File id map, mapping paths to file ids
223
:return: A Git blob object
225
from dulwich.objects import Blob
227
b.set_raw_chunks(serialize_fileid_map(fileid_map))
230
def export_commit(self, rev, tree_sha, parent_lookup, roundtrip,
221
232
"""Turn a Bazaar revision in to a Git commit
223
234
:param tree_sha: Tree sha for the commit
224
235
:param parent_lookup: Function for looking up the GIT sha equiv of a
237
:param roundtrip: Whether to store roundtripping information.
238
:param verifiers: Verifiers info
226
239
:return dulwich.objects.Commit represent the revision:
228
241
from dulwich.objects import Commit
229
242
commit = Commit()
230
243
commit.tree = tree_sha
245
metadata = BzrGitRevisionMetadata()
246
metadata.verifiers = verifiers
231
250
for p in rev.parent_ids:
233
252
git_p = parent_lookup(p)
255
if metadata is not None:
256
metadata.explicit_parent_ids = rev.parent_ids
236
257
if git_p is not None:
237
258
assert len(git_p) == 40, "unexpected length for %r" % git_p
238
commit.parents.append(git_p)
259
parents.append(git_p)
260
commit.parents = parents
240
262
encoding = rev.properties['git-explicit-encoding']
259
281
commit.author_timezone = commit.commit_timezone
260
282
commit.message = self._encode_commit_message(rev, rev.message,
284
assert type(commit.message) == str
285
if metadata is not None:
287
mapping_registry.parse_revision_id(rev.revision_id)
288
except errors.InvalidRevisionId:
289
metadata.revision_id = rev.revision_id
290
mapping_properties = set(
291
['author', 'author-timezone', 'author-timezone-neg-utc',
292
'commit-timezone-neg-utc', 'git-implicit-encoding',
293
'git-explicit-encoding', 'author-timestamp', 'file-modes'])
294
for k, v in rev.properties.iteritems():
295
if not k in mapping_properties:
296
metadata.properties[k] = v
297
if self.roundtripping:
298
commit.message = inject_bzr_metadata(commit.message, metadata,
300
assert type(commit.message) == str
264
def import_commit(self, commit):
303
def import_fileid_map(self, blob):
304
"""Convert a git file id map blob.
306
:param blob: Git blob object with fileid map
307
:return: Dictionary mapping paths to file ids
309
return deserialize_fileid_map(blob.data)
311
def import_commit(self, commit, lookup_parent_revid):
265
312
"""Convert a git commit to a bzr revision.
267
:return: a `bzrlib.revision.Revision` object.
314
:return: a `bzrlib.revision.Revision` object, foreign revid and a
269
317
if commit is None:
270
318
raise AssertionError("Commit object can't be None")
271
319
rev = ForeignRevision(commit.id, self,
272
320
self.revision_id_foreign_to_bzr(commit.id))
273
rev.parent_ids = tuple([self.revision_id_foreign_to_bzr(p) for p in commit.parents])
321
rev.parent_ids = tuple([lookup_parent_revid(p) for p in commit.parents])
322
rev.git_metadata = None
274
323
def decode_using_encoding(rev, commit, encoding):
275
324
rev.committer = str(commit.committer).decode(encoding)
276
325
if commit.committer != commit.author:
277
326
rev.properties['author'] = str(commit.author).decode(encoding)
278
rev.message = self._decode_commit_message(rev, commit.message,
327
rev.message, rev.git_metadata = self._decode_commit_message(
328
rev, commit.message, encoding)
280
329
if commit.encoding is not None:
281
330
rev.properties['git-explicit-encoding'] = commit.encoding
282
331
decode_using_encoding(rev, commit, commit.encoding)
300
349
rev.properties['commit-timezone-neg-utc'] = ""
301
350
rev.timestamp = commit.commit_time
302
351
rev.timezone = commit.commit_timezone
352
if rev.git_metadata is not None:
353
md = rev.git_metadata
354
roundtrip_revid = md.revision_id
355
if md.explicit_parent_ids:
356
rev.parent_ids = md.explicit_parent_ids
357
rev.properties.update(md.properties)
358
verifiers = md.verifiers
360
roundtrip_revid = None
362
return rev, roundtrip_revid, verifiers
364
def get_fileid_map(self, lookup_object, tree_sha):
365
"""Obtain a fileid map for a particular tree.
367
:param lookup_object: Function for looking up an object
368
:param tree_sha: SHA of the root tree
369
:return: GitFileIdMap instance
372
file_id_map_sha = lookup_object(tree_sha)[self.BZR_FILE_IDS_FILE][1]
376
file_ids = self.import_fileid_map(lookup_object(file_id_map_sha))
377
return GitFileIdMap(file_ids, self)
306
380
class BzrGitMappingv1(BzrGitMapping):
314
388
class BzrGitMappingExperimental(BzrGitMappingv1):
315
389
revid_prefix = 'git-experimental'
316
390
experimental = True
393
BZR_FILE_IDS_FILE = '.bzrfileids'
395
BZR_DUMMY_FILE = '.bzrdummy'
318
397
def _decode_commit_message(self, rev, message, encoding):
319
398
message = self._extract_hg_metadata(rev, message)
320
399
message = self._extract_git_svn_metadata(rev, message)
321
return message.decode(encoding)
400
message, metadata = self._extract_bzr_metadata(rev, message)
401
return message.decode(encoding), metadata
323
403
def _encode_commit_message(self, rev, message, encoding):
324
404
ret = message.encode(encoding)
326
406
ret += self._generate_git_svn_metadata(rev, encoding)
329
def import_commit(self, commit):
330
rev = super(BzrGitMappingExperimental, self).import_commit(commit)
409
def import_commit(self, commit, lookup_parent_revid):
410
rev, roundtrip_revid, verifiers = super(BzrGitMappingExperimental, self).import_commit(commit, lookup_parent_revid)
331
411
rev.properties['converted_revision'] = "git %s\n" % commit.id
412
return rev, roundtrip_revid, verifiers
335
415
class GitMappingRegistry(VcsMappingRegistry):
447
527
return object_mode(entry.kind, entry.executable)
450
def directory_to_tree(entry, lookup_ie_sha1, unusual_modes):
451
from dulwich.objects import Tree
530
def directory_to_tree(entry, lookup_ie_sha1, unusual_modes, empty_file_name):
531
"""Create a Git Tree object from a Bazaar directory.
533
:param entry: Inventory entry
534
:param lookup_ie_sha1: Lookup the Git SHA1 for a inventory entry
535
:param unusual_modes: Dictionary with unusual file modes by file ids
536
:param empty_file_name: Name to use for dummy files in empty directories,
537
None to ignore empty directories.
539
from dulwich.objects import Blob, Tree
453
541
for name, value in entry.children.iteritems():
454
542
ie = entry.children[name]
479
571
(head, uuid) = text.rsplit(" ", 1)
480
572
(full_url, rev) = head.rsplit("@", 1)
481
573
return (full_url, int(rev), uuid)
576
class GitFileIdMap(object):
578
def __init__(self, file_ids, mapping):
579
self.file_ids = file_ids
581
self.mapping = mapping
583
def lookup_file_id(self, path):
584
assert type(path) is str
586
file_id = self.file_ids[path]
588
file_id = self.mapping.generate_file_id(path)
589
assert type(file_id) is str
592
def lookup_path(self, file_id):
593
if self.paths is None:
595
for k, v in self.file_ids.iteritems():
598
path = self.paths[file_id]
600
return self.mapping.parse_file_id(file_id)
602
assert type(path) is str