1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
# Copyright (C) 2009-2010 Jelmer Vernooij <jelmer@samba.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Push implementation that simply prints message saying push is not supported."""
from bzrlib import (
errors,
ui,
)
from bzrlib.graph import (
PendingAncestryResult,
)
from bzrlib.repository import (
InterRepository,
)
from bzrlib.revision import (
NULL_REVISION,
)
from bzrlib.plugins.git.errors import (
NoPushSupport,
)
from bzrlib.plugins.git.object_store import (
BazaarObjectStore,
)
from bzrlib.plugins.git.repository import (
GitRepository,
LocalGitRepository,
GitRepositoryFormat,
)
from bzrlib.plugins.git.remote import (
RemoteGitRepository,
)
class MissingObjectsIterator(object):
"""Iterate over git objects that are missing from a target repository.
"""
def __init__(self, store, source, pb=None):
"""Create a new missing objects iterator.
"""
self.source = source
self._object_store = store
self._pending = []
self.pb = pb
def import_revisions(self, revids, roundtrip):
for i, revid in enumerate(revids):
if self.pb:
self.pb.update("pushing revisions", i, len(revids))
git_commit = self.import_revision(revid, roundtrip)
yield (revid, git_commit)
def import_revision(self, revid, roundtrip):
"""Import the gist of a revision into this Git repository.
"""
tree = self._object_store.tree_cache.revision_tree(revid)
rev = self.source.get_revision(revid)
commit = None
for path, obj, ie in self._object_store._revision_to_objects(rev, tree,
roundtrip):
if obj.type_name == "commit":
commit = obj
self._pending.append((obj, path))
return commit.id
def __len__(self):
return len(self._pending)
def __iter__(self):
return iter(self._pending)
class InterToGitRepository(InterRepository):
"""InterRepository that copies into a Git repository."""
_matching_repo_format = GitRepositoryFormat()
def __init__(self, source, target):
super(InterToGitRepository, self).__init__(source, target)
self.mapping = self.target.get_mapping()
self.source_store = BazaarObjectStore(self.source, self.mapping)
@staticmethod
def _get_repo_format_to_test():
return None
def copy_content(self, revision_id=None, pb=None):
"""See InterRepository.copy_content."""
self.fetch(revision_id, pb, find_ghosts=False)
class InterToLocalGitRepository(InterToGitRepository):
def __init__(self, source, target):
super(InterToLocalGitRepository, self).__init__(source, target)
self.target_store = self.target._git.object_store
self.target_refs = self.target._git.refs
def missing_revisions(self, stop_revisions, check_revid):
missing = []
graph = self.source.get_graph()
pb = ui.ui_factory.nested_progress_bar()
try:
for revid, _ in graph.iter_ancestry(stop_revisions):
pb.update("determining revisions to fetch", len(missing))
if not check_revid(revid):
missing.append(revid)
finally:
pb.finished()
return graph.iter_topo_order(missing)
def fetch_refs(self, refs):
fetch_spec = PendingAncestryResult(refs.values(), self.source)
self.fetch(fetch_spec=fetch_spec)
def dfetch_refs(self, refs):
old_refs = self.target._git.get_refs()
new_refs = dict(old_refs)
revidmap, gitidmap = self.dfetch(refs.values())
for name, revid in refs.iteritems():
try:
gitid = gitidmap[revid]
except KeyError:
gitid = self.source_store._lookup_revision_sha1(revid)
self.target._git.refs[name] = gitid
new_refs[name] = gitid
return revidmap, old_refs, new_refs
def _find_missing_revs(self, stop_revisions):
def check_revid(revid):
if revid == NULL_REVISION:
return True
sha_id = self.source_store._lookup_revision_sha1(revid)
try:
return (sha_id in self.target_store)
except errors.NoSuchRevision:
# Ghost, can't push
return True
return list(self.missing_revisions(stop_revisions, check_revid))
def dfetch(self, stop_revisions):
"""Import the gist of the ancestry of a particular revision."""
gitidmap = {}
revidmap = {}
self.source.lock_read()
try:
todo = self._find_missing_revs(stop_revisions)
pb = ui.ui_factory.nested_progress_bar()
try:
object_generator = MissingObjectsIterator(self.source_store,
self.source, pb)
for old_bzr_revid, git_commit in object_generator.import_revisions(
todo, roundtrip=False):
new_bzr_revid = self.mapping.revision_id_foreign_to_bzr(git_commit)
revidmap[old_bzr_revid] = new_bzr_revid
gitidmap[old_bzr_revid] = git_commit
self.target_store.add_objects(object_generator)
finally:
pb.finished()
finally:
self.source.unlock()
return revidmap, gitidmap
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
fetch_spec=None):
if revision_id is not None:
stop_revisions = [revision_id]
elif fetch_spec is not None:
stop_revisions = fetch_spec.heads
else:
stop_revisions = self.source.all_revision_ids()
self.source.lock_read()
try:
todo = self._find_missing_revs(stop_revisions)
pb = ui.ui_factory.nested_progress_bar()
try:
object_generator = MissingObjectsIterator(self.source_store,
self.source, pb)
for (revid, git_sha) in object_generator.import_revisions(
todo, roundtrip=True):
try:
self.mapping.revision_id_bzr_to_foreign(revid)
except errors.InvalidRevisionId:
self.target_refs[self.mapping.revid_as_refname(revid)] = git_sha
self.target_store.add_objects(object_generator)
finally:
pb.finished()
finally:
self.source.unlock()
@staticmethod
def is_compatible(source, target):
"""Be compatible with GitRepository."""
return (not isinstance(source, GitRepository) and
isinstance(target, LocalGitRepository))
class InterToRemoteGitRepository(InterToGitRepository):
def dfetch_refs(self, new_refs):
"""Import the gist of the ancestry of a particular revision."""
revidmap = {}
old_refs = {}
def determine_wants(refs):
ret = {}
old_refs.update(new_refs)
for name, revid in new_refs.iteritems():
ret[name] = self.source_store._lookup_revision_sha1(revid)
return ret
self.source.lock_read()
try:
new_refs = self.target.send_pack(determine_wants,
self.source_store.generate_lossy_pack_contents)
finally:
self.source.unlock()
return revidmap, old_refs, new_refs
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
fetch_spec=None):
raise NoPushSupport()
@staticmethod
def is_compatible(source, target):
"""Be compatible with GitRepository."""
return (not isinstance(source, GitRepository) and
isinstance(target, RemoteGitRepository))
|