35
from bzrlib.foreign import (
38
from bzrlib.trace import mutter
39
35
from bzrlib.transport import get_transport
41
from bzrlib.plugins.git.foreign import (
37
from bzrlib.plugins.git import (
44
from bzrlib.plugins.git.mapping import default_mapping
46
from bzrlib.plugins.git import git
49
class GitTags(object):
51
def __init__(self, tags):
55
return iter(self._tags)
58
class GitRepository(ForeignRepository):
46
class GitRepository(repository.Repository):
59
47
"""An adapter to git repositories for bzr."""
63
51
def __init__(self, gitdir, lockfiles):
64
ForeignRepository.__init__(self, GitFormat(), gitdir, lockfiles)
65
from bzrlib.plugins.git import fetch
66
repository.InterRepository.register_optimiser(fetch.InterGitRepository)
52
self.base = gitdir.root_transport.base
54
self.control_files = lockfiles
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self._git = git.repo.Repo(gitdir.root_transport.local_abspath("."))
56
self._revision_cache = {}
58
self._blob_info_cache = {}
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cache_dir = cache.create_cache_dir()
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cachedir_transport = get_transport(cache_dir)
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cache_file = os.path.join(cache_dir, 'cache-%s' % ids.NAMESPACE)
62
if not cachedbs.has_key(cache_file):
63
cachedbs[cache_file] = cache.sqlite3.connect(cache_file)
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self.cachedb = cachedbs[cache_file]
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self.signatures = versionedfile.VirtualSignatureTexts(self)
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self._format = GitFormat()
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self._fallback_repositories = []
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def _init_cachedb(self):
73
self.cachedb.executescript("""
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create table if not exists inventory (
76
create unique index if not exists inventory_revid
78
create table if not exists entry_revision (
84
create unique index if not exists entry_revision_revid_path
85
on entry_revision (inventory, path);
68
89
def is_shared(self):
71
92
def supports_rich_root(self):
74
def _warn_if_deprecated(self):
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# This class isn't deprecated
78
def get_mapping(self):
79
return default_mapping
81
def make_working_trees(self):
85
class LocalGitRepository(GitRepository):
87
def __init__(self, gitdir, lockfiles):
88
# FIXME: This also caches negatives. Need to be more careful
89
# about this once we start writing to git
90
self._parents_provider = graph.CachingParentsProvider(self)
91
GitRepository.__init__(self, gitdir, lockfiles)
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self.base = gitdir.root_transport.base
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self._git = gitdir._git
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self.signatures = versionedfiles.VirtualSignatureTexts(self)
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self.revisions = versionedfiles.VirtualRevisionTexts(self)
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self.tags = GitTags(self._git.get_tags())
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def all_revision_ids(self):
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ret = set([revision.NULL_REVISION])
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if self._git.heads() == []:
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bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in self._git.heads()]
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graph = self.get_graph()
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for rev, parents in graph.iter_ancestry(bzr_heads):
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#def get_revision_delta(self, revision_id):
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# parent_revid = self.get_revision(revision_id).parent_ids[0]
112
# diff = self._git.diff(ids.convert_revision_id_bzr_to_git(parent_revid),
113
# ids.convert_revision_id_bzr_to_git(revision_id))
115
def _make_parents_provider(self):
116
"""See Repository._make_parents_provider()."""
117
return self._parents_provider
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def get_parent_map(self, revids):
121
mutter("get_parent_map(%r)", revids)
122
for revision_id in revids:
123
assert isinstance(revision_id, str)
124
if revision_id == revision.NULL_REVISION:
125
parent_map[revision_id] = ()
127
hexsha = self.lookup_git_revid(revision_id, self.get_mapping())
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commit = self._git.commit(hexsha)
132
parent_map[revision_id] = [self.get_mapping().revision_id_foreign_to_bzr(p) for p in commit.parents]
135
def get_ancestry(self, revision_id, topo_sorted=True):
136
"""See Repository.get_ancestry().
138
if revision_id is None:
139
return self._all_revision_ids()
140
assert isinstance(revision_id, str)
142
graph = self.get_graph()
143
for rev, parents in graph.iter_ancestry([revision_id]):
144
if rev == revision.NULL_REVISION:
95
def get_ancestry(self, revision_id):
96
param = [ids.convert_revision_id_bzr_to_git(revision_id)]
97
git_ancestry = self._git.get_ancestry(param)
98
# print "fetched ancestry:", param
100
ids.convert_revision_id_git_to_bzr(git_id)
101
for git_id in git_ancestry]
150
103
def get_signature_text(self, revision_id):
151
104
raise errors.NoSuchRevision(self, revision_id)
153
def lookup_revision_id(self, revid):
154
"""Lookup a revision id.
156
:param revid: Bazaar revision id.
157
:return: Tuple with git revisionid and mapping.
159
# Yes, this doesn't really work, but good enough as a stub
160
return osutils.sha(rev_id).hexdigest(), self.get_mapping()
162
106
def has_signature_for_revision_id(self, revision_id):
165
def lookup_git_revid(self, bzr_revid, mapping):
167
return mapping.revision_id_bzr_to_foreign(bzr_revid)
168
except errors.InvalidRevisionId:
169
raise errors.NoSuchRevision(self, bzr_revid)
109
def get_parent_map(self, revision_ids):
111
for revid in revision_ids:
112
commit = self._git.commit(ids.convert_revision_id_bzr_to_git(revid))
113
ret[revid] = tuple([ids.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
171
116
def get_revision(self, revision_id):
172
git_commit_id = self.lookup_git_revid(revision_id, self.get_mapping())
174
commit = self._git.commit(git_commit_id)
176
raise errors.NoSuchRevision(self, revision_id)
117
if revision_id in self._revision_cache:
118
return self._revision_cache[revision_id]
119
git_commit_id = ids.convert_revision_id_bzr_to_git(revision_id)
120
commit = self._git.commit(git_commit_id)
177
121
# print "fetched revision:", git_commit_id
178
revision = self.get_mapping().import_commit(commit)
179
assert revision is not None
122
revision = self._parse_rev(commit)
123
self._revision_cache[revision_id] = revision
182
126
def has_revision(self, revision_id):
184
128
self.get_revision(revision_id)
185
except errors.NoSuchRevision:
129
except NoSuchRevision:
190
def get_revisions(self, revids):
191
return [self.get_revision(r) for r in revids]
134
def get_revisions(self, revisions):
135
return [self.get_revision(r) for r in revisions]
138
def _parse_rev(klass, commit):
139
"""Convert a git commit to a bzr revision.
141
:return: a `bzrlib.revision.Revision` object.
143
rev = revision.Revision(ids.convert_revision_id_git_to_bzr(commit.id))
144
rev.parent_ids = tuple([ids.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
145
rev.inventory_sha1 = ""
146
rev.message = commit.message
147
rev.committer = str(commit.committer)
148
rev.properties['author'] = str(commit.author)
149
rev.timestamp = time.mktime(commit.committed_date)
193
153
def revision_trees(self, revids):
194
154
for revid in revids:
202
162
inv.revision_id = revision_id
203
163
return revisiontree.RevisionTree(self, inv, revision_id)
205
return GitRevisionTree(self, self.get_mapping(), revision_id)
165
return GitRevisionTree(self, revision_id)
167
def _fetch_blob(self, git_id):
168
lines = self._git.cat_file('blob', git_id)
169
# print "fetched blob:", git_id
170
if self._building_inventory is not None:
171
self._building_inventory.git_file_data[git_id] = lines
174
def _get_blob(self, git_id):
176
return self._blob_cache[git_id]
178
return self._fetch_blob(git_id)
180
def _get_blob_caching(self, git_id):
182
return self._blob_cache[git_id]
184
lines = self._fetch_blob(git_id)
185
self._blob_cache[git_id] = lines
188
def _get_blob_info(self, git_id):
190
return self._blob_info_cache[git_id]
192
lines = self._get_blob(git_id)
193
size = sum(len(line) for line in lines)
194
sha1 = osutils.sha_strings(lines)
195
self._blob_info_cache[git_id] = (size, sha1)
207
198
def get_inventory(self, revision_id):
208
199
assert revision_id != None
209
200
return self.revision_tree(revision_id).inventory
211
def set_make_working_trees(self, trees):
214
def fetch_objects(self, determine_wants, graph_walker, progress=None):
215
return self._git.fetch_objects(determine_wants, graph_walker, progress)
202
def _set_entry_text_info(self, inv, entry, git_id):
203
if entry.kind == 'directory':
205
size, sha1 = self._get_blob_info(git_id)
206
entry.text_size = size
207
entry.text_sha1 = sha1
208
if entry.kind == 'symlink':
209
lines = self._get_blob_caching(git_id)
210
entry.symlink_target = ''.join(lines)
212
def _get_file_revision(self, revision_id, path):
213
lines = self._git.rev_list(
214
[ids.convert_revision_id_bzr_to_git(revision_id)],
215
max_count=1, topo_order=True, paths=[path])
217
result = ids.convert_revision_id_git_to_bzr(line[:-1])
218
# print "fetched file revision", line[:-1], path
221
def _get_entry_revision_from_db(self, revid, path, git_id, executable):
222
result = self.cachedb.execute(
223
"select revision from entry_revision where"
224
" inventory=? and path=? and gitid=? and executable=?",
225
(revid, path, git_id, executable)).fetchone()
231
def _set_entry_revision_in_db(self, revid, path, git_id, executable, revision):
232
self.cachedb.execute(
233
"insert into entry_revision"
234
" (inventory, path, gitid, executable, revision)"
235
" values (?, ?, ?, ?, ?)",
236
(revid, path, git_id, executable, revision))
238
def _all_inventories_in_db(self, revids):
240
result = self.cachedb.execute(
241
"select count(*) from inventory where revid = ?",
247
def _set_entry_revision(self, entry, revid, path, git_id):
248
# If a revision is in the cache, we assume it contains entries for the
249
# whole inventory. So if all parent revisions are in the cache, but no
250
# parent entry is present, then the entry revision is the current
251
# revision. That amortizes the number of _get_file_revision calls for
252
# large pulls to a "small number".
253
entry_rev = self._get_entry_revision_from_db(
254
revid, path, git_id, entry.executable)
255
if entry_rev is not None:
256
entry.revision = entry_rev
259
revision = self.get_revision(revid)
260
for parent_id in revision.parent_ids:
261
entry_rev = self._get_entry_revision_from_db(
262
parent_id, path, git_id, entry.executable)
263
if entry_rev is not None:
266
if self._all_inventories_in_db(revision.parent_ids):
269
entry_rev = self._get_file_revision(revid, path)
270
self._set_entry_revision_in_db(
271
revid, path, git_id, entry.executable, entry_rev)
272
#self.cachedb.commit()
273
entry.revision = entry_rev
276
def escape_file_id(file_id):
277
return file_id.replace('_', '__').replace(' ', '_s')
218
280
class GitRevisionTree(revisiontree.RevisionTree):
220
def __init__(self, repository, mapping, revision_id):
282
def __init__(self, repository, revision_id):
221
283
self._repository = repository
222
284
self.revision_id = revision_id
223
assert isinstance(revision_id, str)
224
self.mapping = mapping
225
git_id = repository.lookup_git_revid(revision_id, self.mapping)
227
commit = repository._git.commit(git_id)
229
raise errors.NoSuchRevision(repository, revision_id)
230
self.tree = commit.tree
285
git_id = ids.convert_revision_id_bzr_to_git(revision_id)
286
self.tree = repository._git.commit(git_id).tree
231
287
self._inventory = inventory.Inventory(revision_id=revision_id)
232
288
self._inventory.root.revision = revision_id
233
289
self._build_inventory(self.tree, self._inventory.root, "")
235
def get_revision_id(self):
236
return self.revision_id
238
def get_file_text(self, file_id):
291
def get_file_lines(self, file_id):
239
292
entry = self._inventory[file_id]
240
if entry.kind == 'directory': return ""
241
return self._repository._git.get_blob(entry.text_id).data
293
if entry.kind == 'directory': return []
294
git_id = self._inventory.git_ids[file_id]
295
if git_id in self._inventory.git_file_data:
296
return self._inventory.git_file_data[git_id]
297
return self._repository._get_blob(git_id)
243
def _build_inventory(self, tree_id, ie, path):
299
def _build_inventory(self, tree, ie, path):
244
300
assert isinstance(path, str)
245
tree = self._repository._git.tree(tree_id)
246
for mode, name, hexsha in tree.entries():
247
basename = name.decode("utf-8")
301
for b in tree.contents:
302
basename = b.name.decode("utf-8")
251
child_path = urlutils.join(path, name)
252
file_id = self.mapping.generate_file_id(child_path)
253
entry_kind = (mode & 0700000) / 0100000
306
child_path = urlutils.join(path, b.name)
307
file_id = escape_file_id(child_path.encode('utf-8'))
255
309
child_ie = inventory.InventoryDirectory(file_id, basename, ie.file_id)
256
elif entry_kind == 1:
257
file_kind = (mode & 070000) / 010000
258
b = self._repository._git.get_blob(hexsha)
310
elif b.mode[0] == '1':
260
312
child_ie = inventory.InventoryFile(file_id, basename, ie.file_id)
261
313
child_ie.text_sha1 = osutils.sha_string(b.data)
314
elif b.mode[1] == '2':
263
315
child_ie = inventory.InventoryLink(file_id, basename, ie.file_id)
264
316
child_ie.text_sha1 = osutils.sha_string("")
266
318
raise AssertionError(
267
"Unknown file kind, perms=%o." % (mode,))
268
child_ie.text_id = b.id
269
child_ie.text_size = len(b.data)
319
"Unknown file kind, perms=%r." % (b.mode,))
320
child_ie.text_size = b.size
271
322
raise AssertionError(
272
"Unknown blob kind, perms=%r." % (mode,))
273
fs_mode = mode & 0777
274
child_ie.executable = bool(fs_mode & 0111)
323
"Unknown blob kind, perms=%r." % (b.mode,))
324
child_ie.executable = bool(int(b.mode[3:], 8) & 0111)
275
325
child_ie.revision = self.revision_id
276
self._inventory.add(child_ie)
278
self._build_inventory(hexsha, child_ie, child_path)
326
assert not basename in ie.children
327
ie.children[basename] = child_ie
329
self._build_inventory(b, child_ie, child_path)
281
332
class GitFormat(object):
283
334
supports_tree_reference = False
284
rich_root_data = True
286
def get_format_description(self):
287
return "Git Repository"
289
def initialize(self, url, shared=False, _internal=False):
290
raise bzr_errors.UninitializableFormat(self)
292
def check_conversion_target(self, target_repo_format):
293
return target_repo_format.rich_root_data
added
removed
git_repository.py
