24
25
from bzrlib.decorators import needs_read_lock
26
from bzrlib.plugins.git import ids
26
from bzrlib.trace import mutter
28
from bzrlib.plugins.git.foreign import ForeignBranch
29
from bzrlib.plugins.git.errors import LightWeightCheckoutsNotSupported
31
from dulwich.objects import (
36
class GitTagDict(tag.BasicTags):
38
def __init__(self, branch):
40
self.repository = branch.repository
42
def get_tag_dict(self):
44
for k,v in self.repository._git.tags.iteritems():
45
obj = self.repository._git.get_object(v)
46
while isinstance(obj, Tag):
48
obj = self.repository._git.get_object(v)
49
if not isinstance(obj, Commit):
50
mutter("Tag %s points at object %r that is not a commit, ignoring", k, obj)
52
ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
55
def set_tag(self, name, revid):
56
self.repository._git.tags[name] = revid
29
59
class GitBranchConfig(config.BranchConfig):
34
64
# do not provide a BranchDataConfig
35
65
self.option_sources = self.option_sources[0], self.option_sources[2]
37
def set_user_option(self, name, value, local=False):
67
def set_user_option(self, name, value, store=config.STORE_BRANCH, warn_masked=False):
38
68
"""Force local to True"""
39
config.BranchConfig.set_user_option(self, name, value, local=True)
69
config.BranchConfig.set_user_option(self, name, value, store=config.STORE_LOCATION, warn_masked=warn_masked)
42
72
class GitBranchFormat(branch.BranchFormat):
44
def get_branch_description(self):
74
def get_format_description(self):
45
75
return 'Git Branch'
48
class GitBranch(branch.Branch):
77
def supports_tags(self):
81
class GitBranch(ForeignBranch):
49
82
"""An adapter to git repositories for bzr Branch objects."""
51
def __init__(self, gitdir, lockfiles):
52
from bzrlib.plugins.git import git_repository
84
def __init__(self, bzrdir, repository, name, head, lockfiles):
85
self.repository = repository
86
super(GitBranch, self).__init__(repository.get_mapping())
54
87
self.control_files = lockfiles
55
self.repository = git_repository.GitRepository(gitdir, lockfiles)
56
self.base = gitdir.root_transport.base
57
if '.git' not in gitdir.root_transport.list_dir('.'):
58
raise errors.NotBranchError(self.base)
91
self.base = bzrdir.transport.base
59
92
self._format = GitBranchFormat()
94
def dpull(self, source, stop_revision=None):
95
if stop_revision is None:
96
stop_revision = source.last_revision()
97
# FIXME: Check for diverged branches
98
revidmap = self.repository.dfetch(source.repository, stop_revision)
99
self.head, self.mapping = self.mapping.revision_id_bzr_to_foreign(revidmap[stop_revision])
61
102
def lock_write(self):
62
103
self.control_files.lock_write()
105
def get_stacked_on_url(self):
106
# Git doesn't do stacking (yet...)
109
def get_parent(self):
110
"""See Branch.get_parent()."""
113
def set_parent(self, url):
117
self.control_files.lock_read()
120
self.control_files.unlock()
122
def get_physical_lock_status(self):
126
class LocalGitBranch(GitBranch):
65
129
def last_revision(self):
66
130
# perhaps should escape this ?
67
head_git_id = self.repository._git.get_head()
68
if head_git_id is None:
131
if self.head is None:
69
132
return revision.NULL_REVISION
70
return ids.convert_revision_id_git_to_bzr(head_git_id)
73
def revision_history(self):
74
node = self.last_revision()
75
if node == revision.NULL_REVISION:
133
return self.mapping.revision_id_foreign_to_bzr(self.head)
135
def create_checkout(self, to_location, revision_id=None,
136
lightweight=False, accelerator_tree=None, hardlink=False):
138
raise LightWeightCheckoutsNotSupported()
139
return self._create_heavyweight_checkout(to_location, revision_id, hardlink)
141
def _create_heavyweight_checkout(self, to_location, revision_id=None,
143
"""Create a new heavyweight checkout of this branch.
145
:param to_location: URL of location to create the new checkout in.
146
:param revision_id: Revision that should be the tip of the checkout.
147
:param hardlink: Whether to hardlink
148
:return: WorkingTree object of checkout.
150
checkout_branch = BzrDir.create_branch_convenience(
151
to_location, force_new_tree=False, format=get_rich_root_format())
152
checkout = checkout_branch.bzrdir
153
checkout_branch.bind(self)
154
# pull up to the specified revision_id to set the initial
155
# branch tip correctly, and seed it with history.
156
checkout_branch.pull(self, stop_revision=revision_id)
157
return checkout.create_workingtree(revision_id, hardlink=hardlink)
159
def _make_tags(self):
160
return GitTagDict(self)
162
def _gen_revision_history(self):
163
if self.head is None:
77
ancestors = self.repository.get_revision_graph(node)
79
while node is not None:
81
if len(ancestors[node]) > 0:
82
node = ancestors[node][0]
85
return list(reversed(history))
165
ret = list(self.repository.iter_reverse_revision_history(self.last_revision()))
87
169
def get_config(self):
88
170
return GitBranchConfig(self)
91
self.control_files.lock_read()
94
self.control_files.unlock()
96
172
def get_push_location(self):
97
173
"""See Branch.get_push_location."""
98
174
push_loc = self.get_config().get_user_option('push_location')