86
83
self.cachedb.commit()
85
def _ancestor_revisions(self, revision_ids):
86
if revision_ids is not None:
87
git_revisions = [gitrevid_from_bzr(r) for r in revision_ids]
90
for lines in self._git.ancestor_lines(git_revisions):
91
yield self._parse_rev(lines)
92
# print "fetched ancestors:", git_revisions
88
94
def is_shared(self):
91
97
def supports_rich_root(self):
100
def get_revision_graph(self, revision_id=None):
102
if revision_id is not None:
103
param = [ids.convert_revision_id_bzr_to_git(revision_id)]
106
git_graph = self._git.get_revision_graph(param)
107
# print "fetched revision graph:", param
108
for node, parents in git_graph.iteritems():
109
bzr_node = ids.convert_revision_id_git_to_bzr(node)
110
bzr_parents = [ids.convert_revision_id_git_to_bzr(n)
112
result[bzr_node] = bzr_parents
115
def get_revision_graph_with_ghosts(self, revision_ids=None):
116
graph = deprecated_graph.Graph()
117
if revision_ids is not None:
118
revision_ids = [ids.convert_revision_id_bzr_to_git(r)
119
for r in revision_ids]
120
git_graph = self._git.get_revision_graph(revision_ids)
121
# print "fetched revision graph (ghosts):", revision_ids
122
for node, parents in git_graph.iteritems():
123
bzr_node = ids.convert_revision_id_git_to_bzr(node)
124
bzr_parents = [ids.convert_revision_id_git_to_bzr(n)
127
graph.add_node(bzr_node, bzr_parents)
94
130
def get_ancestry(self, revision_id):
95
revision_id = revision.ensure_null(revision_id)
97
if revision_id != revision.NULL_REVISION:
102
cms = self._git.commits(ids.convert_revision_id_bzr_to_git(revision_id), max_count=max_count, skip=skip)
104
ret += [ids.convert_revision_id_git_to_bzr(cm.id) for cm in cms]
131
param = [ids.convert_revision_id_bzr_to_git(revision_id)]
132
git_ancestry = self._git.get_ancestry(param)
133
# print "fetched ancestry:", param
135
ids.convert_revision_id_git_to_bzr(git_id)
136
for git_id in git_ancestry]
107
138
def get_signature_text(self, revision_id):
108
139
raise errors.NoSuchRevision(self, revision_id)
110
def has_signature_for_revision_id(self, revision_id):
113
def get_parent_map(self, revision_ids):
115
for revid in revision_ids:
116
commit = self._git.commit(ids.convert_revision_id_bzr_to_git(revid))
117
ret[revid] = tuple([ids.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
120
142
def get_revision(self, revision_id):
143
if revision_id in self._revision_cache:
144
return self._revision_cache[revision_id]
121
145
git_commit_id = ids.convert_revision_id_bzr_to_git(revision_id)
122
commit = self._git.commit(git_commit_id)
146
raw = self._git.rev_list([git_commit_id], max_count=1, header=True)
123
147
# print "fetched revision:", git_commit_id
124
revision = self._parse_rev(commit)
148
revision = self._parse_rev(raw)
149
self._revision_cache[revision_id] = revision
127
152
def has_revision(self, revision_id):
136
161
return [self.get_revision(r) for r in revisions]
139
def _parse_rev(klass, commit):
140
"""Convert a git commit to a bzr revision.
164
def _parse_rev(klass, raw):
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"""Parse a single git revision.
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* The first line is the git commit id.
168
* Following lines conform to the 'name value' structure, until the
170
* All lines after the first blank line and until the NULL line have 4
171
leading spaces and constitute the commit message.
173
:param raw: sequence of newline-terminated strings, its last item is a
174
single NULL character.
142
175
:return: a `bzrlib.revision.Revision` object.
144
rev = revision.Revision(ids.convert_revision_id_git_to_bzr(commit.id))
145
rev.parent_ids = tuple([ids.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
180
committer_was_set = False
181
revision_id = ids.convert_revision_id_git_to_bzr(raw[0][:-1])
182
rev = revision.Revision(revision_id)
146
183
rev.inventory_sha1 = ""
147
rev.message = commit.message.decode("utf-8", "replace")
148
rev.committer = str(commit.committer)
149
rev.properties['author'] = str(commit.author)
150
rev.timestamp = time.mktime(commit.committed_date)
184
assert raw[-1] == '\x00', (
185
"Last item of raw was not a single NULL character.")
186
for line in raw[1:-1]:
188
assert line[:4] == ' ', (
189
"Unexpected line format in commit message: %r" % line)
190
message_lines.append(line[4:])
195
name, value = line[:-1].split(' ', 1)
197
rev.parent_ids.append(
198
ids.convert_revision_id_git_to_bzr(value))
201
author, timestamp, timezone = value.rsplit(' ', 2)
202
rev.properties['author'] = author
203
rev.properties['git-author-timestamp'] = timestamp
204
rev.properties['git-author-timezone'] = timezone
205
if not committer_was_set:
206
rev.committer = author
207
rev.timestamp = float(timestamp)
208
rev.timezone = klass._parse_tz(timezone)
210
if name == 'committer':
211
committer_was_set = True
212
committer, timestamp, timezone = value.rsplit(' ', 2)
213
rev.committer = committer
214
rev.timestamp = float(timestamp)
215
rev.timezone = klass._parse_tz(timezone)
218
rev.properties['git-tree-id'] = value
221
rev.message = ''.join(message_lines)
223
# XXX: That should not be needed, but current revision serializers do
224
# not know how how to handle text that is illegal in xml. Note: when
225
# this is fixed, we will need to rev up the revision namespace when
226
# removing the escaping code. -- David Allouche 2007-12-30
227
rev.message = escape_for_xml(rev.message)
228
rev.committer = escape_for_xml(rev.committer)
229
rev.properties['author'] = escape_for_xml(rev.properties['author'])
234
def _parse_tz(klass, tz):
235
"""Parse a timezone specification in the [+|-]HHMM format.
237
:return: the timezone offset in seconds.
240
sign = {'+': +1, '-': -1}[tz[0]]
242
minutes = int(tz[3:])
243
return sign * 60 * (60 * hours + minutes)
154
245
def revision_trees(self, revids):
155
246
for revid in revids:
156
247
yield self.revision_tree(revid)
158
249
def revision_tree(self, revision_id):
159
revision_id = revision.ensure_null(revision_id)
161
if revision_id == revision.NULL_REVISION:
162
inv = inventory.Inventory(root_id=None)
163
inv.revision_id = revision_id
164
return revisiontree.RevisionTree(self, inv, revision_id)
166
250
return GitRevisionTree(self, revision_id)
168
252
def _fetch_blob(self, git_id):
197
281
return size, sha1
199
283
def get_inventory(self, revision_id):
200
assert revision_id != None
201
return self.revision_tree(revision_id).inventory
284
if revision_id is None:
285
revision_id = revision.NULL_REVISION
286
if revision_id == revision.NULL_REVISION:
287
return inventory.Inventory(
288
revision_id=revision_id, root_id=None)
290
# First pass at building the inventory. We need this one to get the
291
# git ids, so we do not have to cache the entire tree text. Ideally,
292
# this should be all we need to do.
293
git_commit = ids.convert_revision_id_bzr_to_git(revision_id)
294
git_inventory = self._git.get_inventory(git_commit)
295
# print "fetched inventory:", git_commit
296
inv = self._parse_inventory(revision_id, git_inventory)
298
# Second pass at building the inventory. There we retrieve additional
299
# data that bzrlib requires: text sizes, sha1s, symlink targets and
300
# revisions that introduced inventory entries
301
self._building_inventory = inv
302
self._building_inventory.git_file_data = {}
303
for file_id in sorted(inv.git_ids.iterkeys()):
304
git_id = inv.git_ids[file_id]
306
self._set_entry_text_info(inv, entry, git_id)
307
for file_id in sorted(inv.git_ids.iterkeys()):
308
git_id = inv.git_ids[file_id]
310
path = inv.id2path(file_id)
311
self._set_entry_revision(entry, revision_id, path, git_id)
313
# At this point the entry_revision table is fully populated for this
314
# revision. So record that we have inventory data for this revision.
315
self.cachedb.execute(
316
"insert or ignore into inventory (revid) values (?)",
318
self.cachedb.commit()
319
self._building_inventory = None
323
def _parse_inventory(klass, revid, git_inv):
324
# For now, git inventory do not have root ids. It is not clear that we
325
# can reliably support root ids. -- David Allouche 2007-12-28
326
inv = inventory.Inventory(revision_id=revid)
328
for perms, git_kind, git_id, path in git_inv:
331
if git_kind == 'blob':
334
executable = bool(int(perms[-3:], 8) & 0111)
335
elif perms[1] == '2':
338
raise AssertionError(
339
"Unknown blob kind, perms=%r." % (perms,))
340
elif git_kind == 'tree':
343
raise AssertionError(
344
"Unknown git entry kind: %r" % (git_kind,))
345
# XXX: Maybe the file id should be prefixed by file kind, so when
346
# the kind of path changes, the id changes too.
347
# -- David Allouche 2007-12-28.
348
file_id = escape_file_id(path.encode('utf-8'))
349
entry = inv.add_path(path, kind, file_id=file_id)
350
entry.executable = executable
351
inv.git_ids[file_id] = git_id
352
inv.root.revision = revid
203
355
def _set_entry_text_info(self, inv, entry, git_id):
204
356
if entry.kind == 'directory':
278
430
return file_id.replace('_', '__').replace(' ', '_s')
433
def escape_for_xml(message):
434
"""Replace xml-incompatible control characters."""
435
# Copied from _escape_commit_message from bzr-svn.
436
# -- David Allouche 2007-12-29.
440
# FIXME: RBC 20060419 this should be done by the revision
441
# serialiser not by commit. Then we can also add an unescaper
442
# in the deserializer and start roundtripping revision messages
443
# precisely. See repository_implementations/test_repository.py
445
# Python strings can include characters that can't be
446
# represented in well-formed XML; escape characters that
447
# aren't listed in the XML specification
448
# (http://www.w3.org/TR/REC-xml/#NT-Char).
449
message, _ = re.subn(
450
u'[^\x09\x0A\x0D\u0020-\uD7FF\uE000-\uFFFD]+',
451
lambda match: match.group(0).encode('unicode_escape'),
281
456
class GitRevisionTree(revisiontree.RevisionTree):
283
458
def __init__(self, repository, revision_id):
459
if revision_id is None:
460
revision_id = revision.NULL_REVISION
461
self._inventory = repository.get_inventory(revision_id)
284
462
self._repository = repository
285
self.revision_id = revision_id
286
git_id = ids.convert_revision_id_bzr_to_git(revision_id)
287
self.tree = repository._git.commit(git_id).tree
288
self._inventory = inventory.Inventory(revision_id=revision_id)
289
self._inventory.root.revision = revision_id
290
self._build_inventory(self.tree, self._inventory.root, "")
463
self._revision_id = revision_id
292
465
def get_file_lines(self, file_id):
293
466
entry = self._inventory[file_id]
297
470
return self._inventory.git_file_data[git_id]
298
471
return self._repository._get_blob(git_id)
300
def _build_inventory(self, tree, ie, path):
301
assert isinstance(path, str)
302
for b in tree.contents:
303
basename = b.name.decode("utf-8")
307
child_path = urlutils.join(path, b.name)
308
file_id = escape_file_id(child_path.encode('utf-8'))
310
child_ie = inventory.InventoryDirectory(file_id, basename, ie.file_id)
311
elif b.mode[0] == '1':
313
child_ie = inventory.InventoryFile(file_id, basename, ie.file_id)
314
child_ie.text_sha1 = osutils.sha_string(b.data)
315
elif b.mode[1] == '2':
316
child_ie = inventory.InventoryLink(file_id, basename, ie.file_id)
317
child_ie.text_sha1 = osutils.sha_string("")
319
raise AssertionError(
320
"Unknown file kind, perms=%r." % (b.mode,))
321
child_ie.text_size = b.size
323
raise AssertionError(
324
"Unknown blob kind, perms=%r." % (b.mode,))
325
child_ie.executable = bool(int(b.mode[3:], 8) & 0111)
326
child_ie.revision = self.revision_id
327
assert not basename in ie.children
328
ie.children[basename] = child_ie
330
self._build_inventory(b, child_ie, child_path)
333
474
class GitFormat(object):
335
476
supports_tree_reference = False
337
def get_format_description(self):
338
return "Git Repository"