79
69
return "%s <%s>" % (text, text)
82
def warn_escaped(commit, num_escaped):
83
trace.warning("Escaped %d XML-invalid characters in %s. Will be unable "
84
"to regenerate the SHA map.", num_escaped, commit)
87
def warn_unusual_mode(commit, path, mode):
88
trace.mutter("Unusual file mode %o for %s in %s. Storing as revision property. ",
92
def squash_revision(target_repo, rev):
93
"""Remove characters that can't be stored from a revision, if necessary.
95
:param target_repo: Repository in which the revision will be stored
96
:param rev: Revision object, will be modified in-place
98
if not getattr(target_repo._serializer, "squashes_xml_invalid_characters", True):
100
from bzrlib.xml_serializer import escape_invalid_chars
101
rev.message, num_escaped = escape_invalid_chars(rev.message)
103
warn_escaped(rev.foreign_revid, num_escaped)
104
if 'author' in rev.properties:
105
rev.properties['author'], num_escaped = escape_invalid_chars(
106
rev.properties['author'])
108
warn_escaped(rev.foreign_revid, num_escaped)
109
rev.committer, num_escaped = escape_invalid_chars(rev.committer)
111
warn_escaped(rev.foreign_revid, num_escaped)
114
72
class BzrGitMapping(foreign.VcsMapping):
115
73
"""Class that maps between Git and Bazaar semantics."""
116
74
experimental = False
146
104
return unescape_file_id(file_id)
148
def import_unusual_file_modes(self, rev, unusual_file_modes):
149
if unusual_file_modes:
150
ret = [(name, unusual_file_modes[name]) for name in sorted(unusual_file_modes.keys())]
151
rev.properties['file-modes'] = bencode.bencode(ret)
153
def export_unusual_file_modes(self, rev):
155
return dict([(self.generate_file_id(path), mode) for (path, mode) in bencode.bdecode(rev.properties['file-modes'].encode("utf-8"))])
159
def _generate_git_svn_metadata(self, rev):
161
return "\ngit-svn-id: %s\n" % rev.properties["git-svn-id"].encode("utf-8")
165
def _generate_hg_message_tail(self, rev):
169
for name in rev.properties:
170
if name == 'hg:extra:branch':
171
branch = rev.properties['hg:extra:branch']
172
elif name.startswith('hg:extra'):
173
extra[name[len('hg:extra:'):]] = base64.b64decode(rev.properties[name])
174
elif name == 'hg:renames':
175
renames = bencode.bdecode(base64.b64decode(rev.properties['hg:renames']))
176
# TODO: Export other properties as 'bzr:' extras?
177
ret = format_hg_metadata(renames, branch, extra)
178
assert isinstance(ret, str)
181
def _extract_git_svn_metadata(self, rev, message):
182
lines = message.split("\n")
183
if not (lines[-1] == "" and lines[-2].startswith("git-svn-id:")):
185
git_svn_id = lines[-2].split(": ", 1)[1]
186
rev.properties['git-svn-id'] = git_svn_id
187
(url, rev, uuid) = parse_git_svn_id(git_svn_id)
188
# FIXME: Convert this to converted-from property somehow..
189
ret = "\n".join(lines[:-2])
190
assert isinstance(ret, str)
193
def _extract_hg_metadata(self, rev, message):
194
(message, renames, branch, extra) = extract_hg_metadata(message)
195
if branch is not None:
196
rev.properties['hg:extra:branch'] = branch
197
for name, value in extra.iteritems():
198
rev.properties['hg:extra:' + name] = base64.b64encode(value)
200
rev.properties['hg:renames'] = base64.b64encode(bencode.bencode([(new, old) for (old, new) in renames.iteritems()]))
203
def _decode_commit_message(self, rev, message):
204
return message.decode("utf-8", "replace")
206
def _encode_commit_message(self, rev, message):
207
return message.encode("utf-8")
209
def export_commit(self, rev, tree_sha, parent_lookup):
210
"""Turn a Bazaar revision in to a Git commit
212
:param tree_sha: Tree sha for the commit
213
:param parent_lookup: Function for looking up the GIT sha equiv of a bzr revision
214
:return dulwich.objects.Commit represent the revision:
216
from dulwich.objects import Commit
218
commit.tree = tree_sha
219
for p in rev.parent_ids:
221
git_p = parent_lookup(p)
224
if git_p is not None:
225
assert len(git_p) == 40, "unexpected length for %r" % git_p
226
commit.parents.append(git_p)
227
commit.committer = fix_person_identifier(rev.committer.encode("utf-8"))
228
commit.author = fix_person_identifier(rev.get_apparent_authors()[0].encode("utf-8"))
229
commit.commit_time = long(rev.timestamp)
230
if 'author-timestamp' in rev.properties:
231
commit.author_time = long(rev.properties['author-timestamp'])
233
commit.author_time = commit.commit_time
234
commit.commit_timezone = rev.timezone
235
if 'author-timezone' in rev.properties:
236
commit.author_timezone = int(rev.properties['author-timezone'])
238
commit.author_timezone = commit.commit_timezone
239
commit.message = self._encode_commit_message(rev, rev.message)
242
106
def import_commit(self, commit):
243
107
"""Convert a git commit to a bzr revision.
248
112
raise AssertionError("Commit object can't be None")
249
113
rev = ForeignRevision(commit.id, self, self.revision_id_foreign_to_bzr(commit.id))
250
114
rev.parent_ids = tuple([self.revision_id_foreign_to_bzr(p) for p in commit.parents])
251
rev.committer = str(commit.committer).decode("utf-8", "replace")
115
rev.message = escape_invalid_chars(commit.message.decode("utf-8", "replace"))[0]
116
rev.committer = escape_invalid_chars(str(commit.committer).decode("utf-8", "replace"))[0]
252
117
if commit.committer != commit.author:
253
rev.properties['author'] = str(commit.author).decode("utf-8", "replace")
118
rev.properties['author'] = escape_invalid_chars(str(commit.author).decode("utf-8", "replace"))[0]
255
120
if commit.commit_time != commit.author_time:
256
121
rev.properties['author-timestamp'] = str(commit.author_time)
274
138
revid_prefix = 'git-experimental'
275
139
experimental = True
277
def _decode_commit_message(self, rev, message):
278
message = self._extract_hg_metadata(rev, message)
279
message = self._extract_git_svn_metadata(rev, message)
280
return message.decode("utf-8", "replace")
282
def _encode_commit_message(self, rev, message):
283
ret = message.encode("utf-8")
284
ret += self._generate_hg_message_tail(rev)
285
ret += self._generate_git_svn_metadata(rev)
288
def import_commit(self, commit):
289
rev = super(BzrGitMappingExperimental, self).import_commit(commit)
290
rev.properties['converted_revision'] = "git %s\n" % commit.id
294
142
class GitMappingRegistry(VcsMappingRegistry):
295
"""Registry with available git mappings."""
297
144
def revision_id_bzr_to_foreign(self, bzr_revid):
298
if bzr_revid == NULL_REVISION:
299
return "0" * 20, None
300
145
if not bzr_revid.startswith("git-"):
301
146
raise errors.InvalidRevisionId(bzr_revid, None)
302
147
(mapping_version, git_sha) = bzr_revid.split(":", 1)
311
156
"BzrGitMappingv1")
312
157
mapping_registry.register_lazy('git-experimental', "bzrlib.plugins.git.mapping",
313
158
"BzrGitMappingExperimental")
314
mapping_registry.set_default('git-v1')
317
161
class ForeignGit(ForeignVcs):
318
162
"""The Git Stupid Content Tracker"""
321
def branch_format(self):
322
from bzrlib.plugins.git.branch import GitBranchFormat
323
return GitBranchFormat()
326
def repository_format(self):
327
from bzrlib.plugins.git.repository import GitRepositoryFormat
328
return GitRepositoryFormat()
330
164
def __init__(self):
331
165
super(ForeignGit, self).__init__(mapping_registry)
332
self.abbreviation = "git"
335
def serialize_foreign_revid(self, foreign_revid):
339
168
def show_foreign_revid(cls, foreign_revid):
362
def mode_is_executable(mode):
363
"""Check if mode should be considered executable."""
364
return bool(mode & 0111)
368
"""Determine the Bazaar inventory kind based on Unix file mode."""
369
entry_kind = (mode & 0700000) / 0100000
372
elif entry_kind == 1:
373
file_kind = (mode & 070000) / 010000
379
return 'tree-reference'
381
raise AssertionError(
382
"Unknown file kind %d, perms=%o." % (file_kind, mode,))
384
raise AssertionError(
385
"Unknown kind, perms=%r." % (mode,))
388
def object_mode(kind, executable):
389
if kind == 'directory':
191
def entry_mode(entry):
192
if entry.kind == 'directory':
390
193
return stat.S_IFDIR
391
elif kind == 'symlink':
194
elif entry.kind == 'symlink':
196
elif entry.kind == 'file':
397
197
mode = stat.S_IFREG | 0644
401
elif kind == 'tree-reference':
402
from dulwich.objects import S_IFGITLINK
405
202
raise AssertionError
408
def entry_mode(entry):
409
"""Determine the git file mode for an inventory entry."""
410
return object_mode(entry.kind, entry.executable)
413
def directory_to_tree(entry, lookup_ie_sha1, unusual_modes):
205
def directory_to_tree(entry, lookup_ie_sha1):
414
206
from dulwich.objects import Tree
416
208
for name in sorted(entry.children.keys()):
417
209
ie = entry.children[name]
419
mode = unusual_modes[ie.file_id]
421
mode = entry_mode(ie)
422
hexsha = lookup_ie_sha1(ie)
423
if hexsha is not None:
424
tree.add(mode, name.encode("utf-8"), hexsha)
425
if entry.parent_id is not None and len(tree) == 0:
426
# Only the root can be an empty tree
210
tree.add(entry_mode(ie), name.encode("utf-8"), lookup_ie_sha1(ie))
432
def extract_unusual_modes(rev):
434
foreign_revid, mapping = mapping_registry.parse_revision_id(rev.revision_id)
435
except errors.InvalidRevisionId:
438
return mapping.export_unusual_file_modes(rev)
441
def inventory_to_tree_and_blobs(inventory, texts, mapping, unusual_modes, cur=None):
215
def inventory_to_tree_and_blobs(inventory, texts, mapping, cur=None):
442
216
"""Convert a Bazaar tree to a Git tree.
444
218
:return: Yields tuples with object sha1, object and path
478
251
yield sha, blob, path.encode("utf-8")
479
252
name = urlutils.basename(path).encode("utf-8")
480
mode = unusual_modes.get(path.encode("utf-8"), entry_mode(entry))
481
tree.add(mode, name, sha)
253
tree.add(entry_mode(entry), name, sha)
483
255
while len(stack) > 1:
486
258
yield sha, tree, cur.encode("utf-8")
487
mode = unusual_modes.get(cur.encode('utf-8'), stat.S_IFDIR)
488
t = (mode, urlutils.basename(cur).encode('UTF-8'), sha)
259
t = (stat.S_IFDIR, urlutils.basename(cur).encode('UTF-8'), sha)
489
260
cur, tree = stack.pop()
493
264
yield tree.id, tree, cur.encode("utf-8")
496
def parse_git_svn_id(text):
497
(head, uuid) = text.rsplit(" ", 1)
498
(full_url, rev) = head.rsplit("@", 1)
499
return (full_url, int(rev), uuid)
267
def revision_to_commit(rev, tree_sha, parent_lookup):
268
"""Turn a Bazaar revision in to a Git commit
270
:param tree_sha: Tree sha for the commit
271
:param parent_lookup: Function for looking up the GIT sha equiv of a bzr revision
272
:return dulwich.objects.Commit represent the revision:
274
from dulwich.objects import Commit
276
commit.tree = tree_sha
277
for p in rev.parent_ids:
278
git_p = parent_lookup(p)
279
if git_p is not None:
280
assert len(git_p) == 40, "unexpected length for %r" % git_p
281
commit.parents.append(git_p)
282
commit.message = rev.message.encode("utf-8")
283
commit.committer = fix_person_identifier(rev.committer.encode("utf-8"))
284
commit.author = fix_person_identifier(rev.get_apparent_authors()[0].encode("utf-8"))
285
commit.commit_time = long(rev.timestamp)
286
if 'author-timestamp' in rev.properties:
287
commit.author_time = long(rev.properties['author-timestamp'])
289
commit.author_time = commit.commit_time
290
commit.commit_timezone = rev.timezone
291
if 'author-timezone' in rev.properties:
292
commit.author_timezone = int(rev.properties['author-timezone'])
294
commit.author_timezone = commit.commit_timezone