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- Committer: Jelmer Vernooij
- Date: 2009-02-12 02:31:01 UTC
- mto: (0.312.1 master) (6883.23.1 bundle-git)
- mto: This revision was merged to the branch mainline in revision 6960.
- Revision ID: jelmer@samba.org-20090212023101-s7vcsvibldg5enz2
Partially fix pull.
- files added:
- foreign
- files removed:
- HACKING
- files renamed:
- object_store.py => converter.py
- tests/test_mapping.py => tests/test_ids.py
- files modified:
- README
added
removed
fetch.py
1
# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>
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# Copyright (C) 2008 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from cStringIO import (
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StringIO,
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)
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from bzrlib import osutils, ui, urlutils
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from bzrlib.errors import InvalidRevisionId, NoSuchRevision
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from bzrlib.inventory import Inventory
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from bzrlib.repository import InterRepository
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from bzrlib.trace import info
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from bzrlib.tsort import topo_sort
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from bzrlib.plugins.git.repository import (
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LocalGitRepository,
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GitRepository,
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GitFormat,
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)
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from bzrlib.plugins.git.converter import GitObjectConverter
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from bzrlib.plugins.git.remote import RemoteGitRepository
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20
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import dulwich as git
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from dulwich.objects import (
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Commit,
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Tag,
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S_ISGITLINK,
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)
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from dulwich.object_store import (
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tree_lookup_path,
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)
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import stat
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from bzrlib import (
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debug,
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osutils,
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trace,
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ui,
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urlutils,
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)
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from bzrlib.errors import (
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InvalidRevisionId,
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NoSuchId,
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NoSuchRevision,
42
)
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from bzrlib.inventory import (
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Inventory,
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InventoryDirectory,
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InventoryFile,
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InventoryLink,
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)
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from bzrlib.lru_cache import (
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LRUCache,
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)
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from bzrlib.repository import (
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InterRepository,
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)
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from bzrlib.revision import (
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NULL_REVISION,
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)
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from bzrlib.tsort import (
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topo_sort,
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)
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from bzrlib.versionedfile import (
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FulltextContentFactory,
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)
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from bzrlib.plugins.git.mapping import (
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DEFAULT_FILE_MODE,
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inventory_to_tree_and_blobs,
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mode_is_executable,
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squash_revision,
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text_to_blob,
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warn_unusual_mode,
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)
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from bzrlib.plugins.git.object_store import (
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BazaarObjectStore,
75
)
76
from bzrlib.plugins.git.remote import (
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RemoteGitRepository,
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)
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from bzrlib.plugins.git.repository import (
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GitRepository,
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GitRepositoryFormat,
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LocalGitRepository,
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)
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def import_git_blob(texts, mapping, path, hexsha, base_inv, parent_id,
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revision_id, parent_invs, shagitmap, lookup_object, executable, symlink):
33
from dulwich.client import SimpleFetchGraphWalker
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from dulwich.objects import Commit
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from cStringIO import StringIO
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38
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class BzrFetchGraphWalker(object):
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"""GraphWalker implementation that uses a Bazaar repository."""
41
42
def __init__(self, repository, mapping):
43
self.repository = repository
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self.mapping = mapping
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self.done = set()
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self.heads = set(repository.all_revision_ids())
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self.parents = {}
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49
def __iter__(self):
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return iter(self.next, None)
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52
def ack(self, sha):
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revid = self.mapping.revision_id_foreign_to_bzr(sha)
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self.remove(revid)
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def remove(self, revid):
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self.done.add(revid)
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if revid in self.heads:
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self.heads.remove(revid)
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if revid in self.parents:
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for p in self.parents[revid]:
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self.remove(p)
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def next(self):
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while self.heads:
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ret = self.heads.pop()
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ps = self.repository.get_parent_map([ret])[ret]
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self.parents[ret] = ps
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self.heads.update([p for p in ps if not p in self.done])
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try:
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self.done.add(ret)
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return self.mapping.revision_id_bzr_to_foreign(ret)[0]
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except InvalidRevisionId:
74
pass
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return None
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def import_git_blob(repo, mapping, path, blob, inv, parent_invs, gitmap, executable):
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79
"""Import a git blob object into a bzr repository.
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:param texts: VersionedFiles to add to
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:param repo: bzr repository
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82
:param path: Path in the tree
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83
:param blob: A git blob
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:return: Inventory delta for this file
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84
"""
95
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file_id = mapping.generate_file_id(path)
96
if symlink:
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cls = InventoryLink
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else:
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cls = InventoryFile
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# We just have to hope this is indeed utf-8:
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ie = cls(file_id, urlutils.basename(path).decode("utf-8"), parent_id)
86
text_revision = inv.revision_id
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repo.texts.add_lines((file_id, text_revision),
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[(file_id, p[file_id].revision) for p in parent_invs if file_id in p],
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osutils.split_lines(blob.data))
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ie = inv.add_path(path, "file", file_id)
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ie.revision = text_revision
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ie.text_size = len(blob.data)
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ie.text_sha1 = osutils.sha_string(blob.data)
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ie.executable = executable
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# See if this has changed at all
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try:
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base_ie = base_inv[file_id]
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except NoSuchId:
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base_ie = None
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base_sha = None
109
else:
110
try:
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base_sha = shagitmap.lookup_blob(file_id, base_ie.revision)
112
except KeyError:
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base_sha = None
114
else:
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if (base_sha == hexsha and base_ie.executable == ie.executable
116
and base_ie.kind == ie.kind):
117
# If nothing has changed since the base revision, we're done
118
return [], []
119
if base_sha == hexsha and base_ie.kind == ie.kind:
120
ie.text_size = base_ie.text_size
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ie.text_sha1 = base_ie.text_sha1
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ie.symlink_target = base_ie.symlink_target
123
if ie.executable == base_ie.executable:
124
ie.revision = base_ie.revision
125
else:
126
blob = lookup_object(hexsha)
127
else:
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blob = lookup_object(hexsha)
129
if ie.kind == "symlink":
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ie.revision = None
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ie.symlink_target = blob.data
132
ie.text_size = None
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ie.text_sha1 = None
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else:
135
ie.text_size = len(blob.data)
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ie.text_sha1 = osutils.sha_string(blob.data)
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# Check what revision we should store
138
parent_keys = []
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for pinv in parent_invs:
140
if pinv.revision_id == base_inv.revision_id:
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pie = base_ie
142
if pie is None:
143
continue
144
else:
145
try:
146
pie = pinv[file_id]
147
except NoSuchId:
148
continue
149
if pie.text_sha1 == ie.text_sha1 and pie.executable == ie.executable and pie.symlink_target == ie.symlink_target:
150
# found a revision in one of the parents to use
151
ie.revision = pie.revision
152
break
153
parent_keys.append((file_id, pie.revision))
154
if ie.revision is None:
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# Need to store a new revision
156
ie.revision = revision_id
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assert file_id is not None
158
assert ie.revision is not None
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texts.insert_record_stream([FulltextContentFactory((file_id, ie.revision), tuple(parent_keys), ie.text_sha1, blob.data)])
160
shamap = [(hexsha, "blob", (ie.file_id, ie.revision))]
161
else:
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shamap = []
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if file_id in base_inv:
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old_path = base_inv.id2path(file_id)
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else:
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old_path = None
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invdelta = [(old_path, path, file_id, ie)]
168
invdelta.extend(remove_disappeared_children(base_inv, base_ie, []))
169
return (invdelta, shamap)
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def import_git_submodule(texts, mapping, path, hexsha, base_inv, parent_id,
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revision_id, parent_invs, shagitmap, lookup_object):
174
raise NotImplementedError(import_git_submodule)
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176
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def remove_disappeared_children(base_inv, base_ie, existing_children):
178
if base_ie is None or base_ie.kind != 'directory':
179
return []
180
ret = []
181
deletable = [v for k,v in base_ie.children.iteritems() if k not in existing_children]
182
while deletable:
183
ie = deletable.pop()
184
ret.append((base_inv.id2path(ie.file_id), None, ie.file_id, None))
185
if ie.kind == "directory":
186
deletable.extend(ie.children.values())
187
return ret
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189
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def import_git_tree(texts, mapping, path, hexsha, base_inv, parent_id,
191
revision_id, parent_invs, shagitmap, lookup_object):
95
gitmap._idmap.add_entry(blob.sha().hexdigest(), "blob", (ie.file_id, ie.revision))
96
97
98
def import_git_tree(repo, mapping, path, tree, inv, parent_invs,
99
gitmap, lookup_object):
192
100
"""Import a git tree object into a bzr repository.
193
101
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:param texts: VersionedFiles object to add to
102
:param repo: A Bzr repository object
195
103
:param path: Path in the tree
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:param tree: A git tree object
197
:param base_inv: Base inventory against which to return inventory delta
198
:return: Inventory delta for this subtree
105
:param inv: Inventory object
199
106
"""
200
invdelta = []
201
107
file_id = mapping.generate_file_id(path)
202
# We just have to hope this is indeed utf-8:
203
ie = InventoryDirectory(file_id, urlutils.basename(path.decode("utf-8")),
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parent_id)
205
try:
206
base_ie = base_inv[file_id]
207
except NoSuchId:
208
# Newly appeared here
209
base_ie = None
210
ie.revision = revision_id
211
texts.add_lines((file_id, ie.revision), (), [])
212
invdelta.append((None, path, file_id, ie))
213
else:
214
# See if this has changed at all
215
try:
216
base_sha = shagitmap.lookup_tree(file_id, base_inv.revision_id)
217
except KeyError:
218
pass
219
else:
220
if base_sha == hexsha:
221
# If nothing has changed since the base revision, we're done
222
return [], {}, []
223
if base_ie.kind != "directory":
224
ie.revision = revision_id
225
texts.add_lines((ie.file_id, ie.revision), (), [])
226
invdelta.append((base_inv.id2path(ie.file_id), path, ie.file_id, ie))
227
# Remember for next time
228
existing_children = set()
229
child_modes = {}
230
shamap = []
231
tree = lookup_object(hexsha)
232
for mode, name, child_hexsha in tree.entries():
108
text_revision = inv.revision_id
109
repo.texts.add_lines((file_id, text_revision),
110
[(file_id, p[file_id].revision) for p in parent_invs if file_id in p],
111
[])
112
ie = inv.add_path(path, "directory", file_id)
113
ie.revision = text_revision
114
gitmap._idmap.add_entry(tree.sha().hexdigest(), "tree", (file_id, text_revision))
115
for mode, name, hexsha in tree.entries():
116
entry_kind = (mode & 0700000) / 0100000
233
117
basename = name.decode("utf-8")
234
existing_children.add(basename)
235
child_path = osutils.pathjoin(path, name)
236
if stat.S_ISDIR(mode):
237
subinvdelta, grandchildmodes, subshamap = import_git_tree(
238
texts, mapping, child_path, child_hexsha, base_inv,
239
file_id, revision_id, parent_invs, shagitmap, lookup_object)
240
invdelta.extend(subinvdelta)
241
child_modes.update(grandchildmodes)
242
shamap.extend(subshamap)
243
elif S_ISGITLINK(mode): # submodule
244
subinvdelta, grandchildmodes, subshamap = import_git_submodule(
245
texts, mapping, child_path, child_hexsha, base_inv,
246
file_id, revision_id, parent_invs, shagitmap, lookup_object)
247
invdelta.extend(subinvdelta)
248
child_modes.update(grandchildmodes)
249
shamap.extend(subshamap)
250
else:
251
subinvdelta, subshamap = import_git_blob(texts, mapping,
252
child_path, child_hexsha, base_inv, file_id, revision_id,
253
parent_invs, shagitmap, lookup_object,
254
mode_is_executable(mode), stat.S_ISLNK(mode))
255
invdelta.extend(subinvdelta)
256
shamap.extend(subshamap)
257
if mode not in (stat.S_IFDIR, DEFAULT_FILE_MODE,
258
stat.S_IFLNK, DEFAULT_FILE_MODE|0111):
259
child_modes[child_path] = mode
260
# Remove any children that have disappeared
261
invdelta.extend(remove_disappeared_children(base_inv, base_ie, existing_children))
262
shamap.append((hexsha, "tree", (file_id, revision_id)))
263
return invdelta, child_modes, shamap
118
if path == "":
119
child_path = name
120
else:
121
child_path = urlutils.join(path, name)
122
if entry_kind == 0:
123
tree = lookup_object(hexsha)
124
import_git_tree(repo, mapping, child_path, tree, inv, parent_invs, gitmap, lookup_object)
125
elif entry_kind == 1:
126
blob = lookup_object(hexsha)
127
fs_mode = mode & 0777
128
import_git_blob(repo, mapping, child_path, blob, inv, parent_invs, gitmap, bool(fs_mode & 0111))
129
else:
130
raise AssertionError("Unknown blob kind, perms=%r." % (mode,))
264
131
265
132
266
133
def import_git_objects(repo, mapping, object_iter, target_git_object_retriever,
267
heads, pb=None):
134
pb=None):
268
135
"""Import a set of git objects into a bzr repository.
269
136
270
:param repo: Target Bazaar repository
137
:param repo: Bazaar repository
271
138
:param mapping: Mapping to use
272
139
:param object_iter: Iterator over Git objects.
273
140
"""
274
def lookup_object(sha):
275
try:
276
return object_iter[sha]
277
except KeyError:
278
return target_git_object_retriever[sha]
279
141
# TODO: a more (memory-)efficient implementation of this
280
142
graph = []
281
143
root_trees = {}
282
144
revisions = {}
283
checked = set()
284
heads = list(heads)
285
parent_invs_cache = LRUCache(50)
286
145
# Find and convert commit objects
287
while heads:
288
if pb is not None:
289
pb.update("finding revisions to fetch", len(graph), None)
290
head = heads.pop()
291
assert isinstance(head, str)
292
try:
293
o = lookup_object(head)
294
except KeyError:
295
continue
146
for o in object_iter.iterobjects():
296
147
if isinstance(o, Commit):
297
148
rev = mapping.import_commit(o)
298
if repo.has_revision(rev.revision_id):
299
continue
300
squash_revision(repo, rev)
301
root_trees[rev.revision_id] = o.tree
149
root_trees[rev.revision_id] = object_iter[o.tree]
302
150
revisions[rev.revision_id] = rev
303
151
graph.append((rev.revision_id, rev.parent_ids))
304
target_git_object_retriever._idmap.add_entry(o.id, "commit",
305
(rev.revision_id, o.tree))
306
heads.extend([p for p in o.parents if p not in checked])
307
elif isinstance(o, Tag):
308
heads.append(o.object[1])
309
else:
310
trace.warning("Unable to import head object %r" % o)
311
checked.add(head)
152
target_git_object_retriever._idmap.add_entry(o.sha().hexdigest(), "commit", (rev.revision_id, o._tree))
312
153
# Order the revisions
313
154
# Create the inventory objects
314
155
for i, revid in enumerate(topo_sort(graph)):
315
156
if pb is not None:
316
157
pb.update("fetching revisions", i, len(graph))
158
root_tree = root_trees[revid]
317
159
rev = revisions[revid]
318
160
# We have to do this here, since we have to walk the tree and
319
# we need to make sure to import the blobs / trees with the right
161
# we need to make sure to import the blobs / trees with the riht
320
162
# path; this may involve adding them more than once.
321
parent_invs = []
322
for parent_id in rev.parent_ids:
323
try:
324
parent_invs.append(parent_invs_cache[parent_id])
325
except KeyError:
326
parent_inv = repo.get_inventory(parent_id)
327
parent_invs.append(parent_inv)
328
parent_invs_cache[parent_id] = parent_inv
329
if parent_invs == []:
330
base_inv = Inventory(root_id=None)
331
else:
332
base_inv = parent_invs[0]
333
inv_delta, unusual_modes, shamap = import_git_tree(repo.texts,
334
mapping, "", root_trees[revid], base_inv, None, revid,
335
parent_invs, target_git_object_retriever._idmap, lookup_object)
336
target_git_object_retriever._idmap.add_entries(shamap)
337
if unusual_modes != {}:
338
for path, mode in unusual_modes.iteritems():
339
warn_unusual_mode(rev.foreign_revid, path, mode)
340
mapping.import_unusual_file_modes(rev, unusual_modes)
341
try:
342
basis_id = rev.parent_ids[0]
343
except IndexError:
344
basis_id = NULL_REVISION
345
rev.inventory_sha1, inv = repo.add_inventory_by_delta(basis_id,
346
inv_delta, rev.revision_id, rev.parent_ids)
347
parent_invs_cache[rev.revision_id] = inv
348
repo.add_revision(rev.revision_id, rev)
349
if "verify" in debug.debug_flags:
350
new_unusual_modes = mapping.export_unusual_file_modes(rev)
351
if new_unusual_modes != unusual_modes:
352
raise AssertionError("unusual modes don't match: %r != %r" % (unusual_modes, new_unusual_modes))
353
objs = inventory_to_tree_and_blobs(inv, repo.texts, mapping, unusual_modes)
354
for sha1, newobj, path in objs:
355
assert path is not None
356
oldobj = tree_lookup_path(lookup_object, root_trees[revid], path)
357
if oldobj != newobj:
358
raise AssertionError("%r != %r in %s" % (oldobj, newobj, path))
359
360
target_git_object_retriever._idmap.commit()
361
362
363
class InterGitRepository(InterRepository):
364
365
_matching_repo_format = GitRepositoryFormat()
163
inv = Inventory()
164
inv.revision_id = rev.revision_id
165
def lookup_object(sha):
166
if sha in object_iter:
167
return object_iter[sha]
168
return target_git_object_retriever[sha]
169
parent_invs = [repo.get_inventory(r) for r in rev.parent_ids]
170
import_git_tree(repo, mapping, "", root_tree, inv, parent_invs,
171
target_git_object_retriever, lookup_object)
172
repo.add_revision(rev.revision_id, rev, inv)
173
174
175
class InterGitNonGitRepository(InterRepository):
176
177
_matching_repo_format = GitFormat()
366
178
367
179
@staticmethod
368
180
def _get_repo_format_to_test():
372
184
"""See InterRepository.copy_content."""
373
185
self.fetch(revision_id, pb, find_ghosts=False)
374
186
375
def fetch(self, revision_id=None, pb=None, find_ghosts=False, mapping=None,
376
fetch_spec=None):
377
self.fetch_refs(revision_id=revision_id, pb=pb, find_ghosts=find_ghosts,
378
mapping=mapping, fetch_spec=fetch_spec)
379
380
381
class InterGitNonGitRepository(InterGitRepository):
382
"""Base InterRepository that copies revisions from a Git into a non-Git
383
repository."""
384
385
def fetch_refs(self, revision_id=None, pb=None, find_ghosts=False,
386
mapping=None, fetch_spec=None):
387
if mapping is None:
388
mapping = self.source.get_mapping()
389
if revision_id is not None:
390
interesting_heads = [revision_id]
391
elif fetch_spec is not None:
392
interesting_heads = fetch_spec.heads
393
else:
394
interesting_heads = None
395
self._refs = {}
396
def determine_wants(refs):
397
self._refs = refs
398
if interesting_heads is None:
399
ret = [sha for (ref, sha) in refs.iteritems() if not ref.endswith("^{}")]
400
else:
401
ret = [mapping.revision_id_bzr_to_foreign(revid)[0] for revid in interesting_heads if revid not in (None, NULL_REVISION)]
402
return [rev for rev in ret if not self.target.has_revision(mapping.revision_id_foreign_to_bzr(rev))]
403
self.fetch_objects(determine_wants, mapping, pb)
404
return self._refs
405
406
407
class InterRemoteGitNonGitRepository(InterGitNonGitRepository):
408
"""InterRepository that copies revisions from a remote Git into a non-Git
409
repository."""
410
411
187
def fetch_objects(self, determine_wants, mapping, pb=None):
412
188
def progress(text):
413
189
pb.update("git: %s" % text.rstrip("\r\n"), 0, 0)
414
store = BazaarObjectStore(self.target, mapping)
415
self.target.lock_write()
416
try:
417
heads = self.target.get_graph().heads(self.target.all_revision_ids())
418
graph_walker = store.get_graph_walker(
419
[store._lookup_revision_sha1(head) for head in heads])
420
recorded_wants = []
421
422
def record_determine_wants(heads):
423
wants = determine_wants(heads)
424
recorded_wants.extend(wants)
425
return wants
426
427
create_pb = None
428
if pb is None:
429
create_pb = pb = ui.ui_factory.nested_progress_bar()
430
try:
431
self.target.start_write_group()
432
try:
433
objects_iter = self.source.fetch_objects(
434
record_determine_wants, graph_walker,
435
store.get_raw, progress)
436
import_git_objects(self.target, mapping, objects_iter,
437
store, recorded_wants, pb)
438
finally:
439
self.target.commit_write_group()
440
finally:
441
if create_pb:
442
create_pb.finished()
443
finally:
444
self.target.unlock()
445
446
@staticmethod
447
def is_compatible(source, target):
448
"""Be compatible with GitRepository."""
449
# FIXME: Also check target uses VersionedFile
450
return (isinstance(source, RemoteGitRepository) and
451
target.supports_rich_root() and
452
not isinstance(target, GitRepository))
453
454
455
class InterLocalGitNonGitRepository(InterGitNonGitRepository):
456
"""InterRepository that copies revisions from a local Git into a non-Git
457
repository."""
458
459
def fetch_objects(self, determine_wants, mapping, pb=None):
460
wants = determine_wants(self.source._git.get_refs())
190
graph_walker = BzrFetchGraphWalker(self.target, mapping)
461
191
create_pb = None
462
192
if pb is None:
463
193
create_pb = pb = ui.ui_factory.nested_progress_bar()
464
target_git_object_retriever = BazaarObjectStore(self.target, mapping)
194
target_git_object_retriever = GitObjectConverter(self.target, mapping)
195
465
196
try:
466
197
self.target.lock_write()
467
198
try:
468
199
self.target.start_write_group()
469
200
try:
470
import_git_objects(self.target, mapping,
471
self.source._git.object_store,
472
target_git_object_retriever, wants, pb)
201
objects_iter = self.source.fetch_objects(determine_wants,
202
graph_walker,
203
target_git_object_retriever.__getitem__,
204
progress)
205
import_git_objects(self.target, mapping, objects_iter,
206
target_git_object_retriever, pb)
473
207
finally:
474
208
self.target.commit_write_group()
475
209
finally:
478
212
if create_pb:
479
213
create_pb.finished()
480
214
215
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
216
mapping=None):
217
if mapping is None:
218
mapping = self.source.get_mapping()
219
def determine_wants(heads):
220
if revision_id is None:
221
ret = heads.values()
222
else:
223
ret = [mapping.revision_id_bzr_to_foreign(revision_id)[0]]
224
return [rev for rev in ret if not self.target.has_revision(mapping.revision_id_foreign_to_bzr(rev))]
225
return self.fetch_objects(determine_wants, mapping, pb)
226
481
227
@staticmethod
482
228
def is_compatible(source, target):
483
229
"""Be compatible with GitRepository."""
484
230
# FIXME: Also check target uses VersionedFile
485
return (isinstance(source, LocalGitRepository) and
231
return (isinstance(source, GitRepository) and
486
232
target.supports_rich_root() and
487
233
not isinstance(target, GitRepository))
488
234
489
235
490
class InterGitGitRepository(InterGitRepository):
491
"""InterRepository that copies between Git repositories."""
492
493
def fetch_refs(self, revision_id=None, pb=None, find_ghosts=False,
494
mapping=None, fetch_spec=None, branches=None):
236
class InterGitRepository(InterRepository):
237
238
_matching_repo_format = GitFormat()
239
240
@staticmethod
241
def _get_repo_format_to_test():
242
return None
243
244
def copy_content(self, revision_id=None, pb=None):
245
"""See InterRepository.copy_content."""
246
self.fetch(revision_id, pb, find_ghosts=False)
247
248
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
249
mapping=None):
495
250
if mapping is None:
496
251
mapping = self.source.get_mapping()
497
252
def progress(text):
498
trace.info("git: %s", text)
253
info("git: %s", text)
499
254
r = self.target._git
500
if revision_id is not None:
255
if revision_id is None:
256
determine_wants = lambda x: [y for y in x.values() if not y in r.object_store]
257
else:
501
258
args = [mapping.revision_id_bzr_to_foreign(revision_id)[0]]
502
elif fetch_spec is not None:
503
args = [mapping.revision_id_bzr_to_foreign(revid)[0] for revid in fetch_spec.heads]
504
if branches is not None:
505
determine_wants = lambda x: [x[y] for y in branches if not x[y] in r.object_store]
506
elif fetch_spec is None and revision_id is None:
507
determine_wants = r.object_store.determine_wants_all
508
else:
509
259
determine_wants = lambda x: [y for y in args if not y in r.object_store]
510
260
511
graphwalker = r.get_graph_walker()
512
f, commit = r.object_store.add_thin_pack()
261
graphwalker = SimpleFetchGraphWalker(r.heads().values(), r.get_parents)
262
f, commit = r.object_store.add_pack()
513
263
try:
514
refs = self.source.fetch_pack(determine_wants, graphwalker,
515
f.write, progress)
264
self.source._git.fetch_pack(path, determine_wants, graphwalker, f.write, progress)
265
f.close()
516
266
commit()
517
return refs
518
267
except:
519
268
f.close()
520
269
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0