1
# Copyright (C) 2009-2010 Jelmer Vernooij <jelmer@samba.org>
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
"""Support for committing in native Git working trees."""
21
from dulwich.index import (
27
revision as _mod_revision,
29
from bzrlib.errors import (
32
from bzrlib.repository import (
36
from dulwich.objects import (
43
from bzrlib.plugins.git.mapping import (
46
from bzrlib.plugins.git.roundtrip import (
52
class GitCommitBuilder(CommitBuilder):
53
"""Commit builder for Git repositories."""
55
supports_record_entry_contents = False
57
def __init__(self, *args, **kwargs):
58
super(GitCommitBuilder, self).__init__(*args, **kwargs)
59
self._validate_revprops(self._revprops)
60
self.store = self.repository._git.object_store
62
self._any_changes = False
63
self._will_record_deletes = False
64
self._override_fileids = {}
65
self._mapping = self.repository.get_mapping()
67
def any_changes(self):
68
return self._any_changes
70
def record_entry_contents(self, ie, parent_invs, path, tree,
72
raise NotImplementedError(self.record_entry_contents)
74
def record_delete(self, path, file_id):
75
assert type(path) == str
76
self._override_fileids[path] = None
77
self._blobs[path] = None
78
self._any_changes = True
80
def record_iter_changes(self, workingtree, basis_revid, iter_changes):
81
index = getattr(workingtree, "index", None)
83
def index_sha1(path, file_id):
84
return index.get_sha1(path.encode("utf-8"))
85
text_sha1 = link_sha1 = index_sha1
87
def link_sha1(path, file_id):
89
blob.data = workingtree.get_symlink_target(file_id, path)
91
def text_sha1(path, file_id):
93
blob.data = workingtree.get_file_text(file_id, path)
96
for (file_id, path, changed_content, versioned, parent, name, kind,
97
executable) in iter_changes:
98
if kind[1] in ("directory",):
99
if kind[0] in ("file", "symlink"):
100
self.record_delete(path[0].encode("utf-8"), file_id)
105
self.record_delete(path[0].encode("utf-8"), file_id)
107
if kind[1] == "file":
109
sha = text_sha1(path[1], file_id)
110
elif kind[1] == "symlink":
112
sha = link_sha1(path[1], file_id)
113
elif kind[1] == "tree-reference":
115
sha = "FIXME" # FIXME
117
raise AssertionError("Unknown kind %r" % kind[1])
120
self._any_changes = True
121
encoded_new_path = path[1].encode("utf-8")
122
self._blobs[encoded_new_path] = (mode, sha)
123
file_sha1 = workingtree.get_file_sha1(file_id, path[1])
124
if file_sha1 is None:
125
# File no longer exists
126
if path[0] is not None:
127
self.record_delete(path[0].encode("utf-8"), file_id)
129
_, st = workingtree.get_file_with_stat(file_id, path[1])
130
yield file_id, path[1], (file_sha1, st)
131
self._override_fileids[encoded_new_path] = file_id
132
if not seen_root and len(self.parents) == 0:
134
if getattr(workingtree, "basis_tree", False):
135
basis_tree = workingtree.basis_tree()
137
if len(self.parents) == 0:
138
basis_revid = _mod_revision.NULL_REVISION
140
basis_revid = self.parents[0]
141
basis_tree = self.repository.revision_tree(basis_revid)
142
# Fill in entries that were not changed
143
for path, entry in basis_tree.iter_entries_by_dir():
144
if entry.kind not in ("file", "symlink"):
146
if not path in self._blobs:
148
if entry.kind == "symlink":
149
blob.data = basis_tree.get_symlink_target(entry.file_id,
152
blob.data = basis_tree.get_file_text(entry.file_id, path)
153
self._blobs[path.encode("utf-8")] = (entry_mode(entry), blob.id)
154
if not self._lossy and self._mapping.BZR_FILE_IDS_FILE is not None:
156
fileid_map = dict(basis_tree._fileid_map.file_ids)
157
except AttributeError:
159
for path, file_id in self._override_fileids.iteritems():
160
assert type(path) == str
164
assert type(file_id) == str
165
fileid_map[path] = file_id
167
fileid_blob = self._mapping.export_fileid_map(fileid_map)
168
self.store.add_object(fileid_blob)
169
self._blobs[self._mapping.BZR_FILE_IDS_FILE] = (stat.S_IFREG | 0644, fileid_blob.id)
171
self._blobs[self._mapping.BZR_FILE_IDS_FILE] = None
172
self.new_inventory = None
174
def get_basis_delta(self):
175
if not self._will_record_deletes:
180
def finish_inventory(self):
181
# eliminate blobs that were removed
182
for path, entry in iter(self._blobs.items()):
184
del self._blobs[path]
186
def _iterblobs(self):
187
return ((path, sha, mode) for (path, (mode, sha)) in self._blobs.iteritems())
189
def commit(self, message):
190
self._validate_unicode_text(message, 'commit message')
192
c.parents = [self.repository.lookup_bzr_revision_id(revid)[0] for revid in self.parents]
193
c.tree = commit_tree(self.store, self._iterblobs())
194
c.committer = self._committer
195
c.author = self._revprops.get('author', self._committer)
196
if c.author != c.committer:
197
self._revprops.remove("author")
198
c.commit_time = int(self._timestamp)
199
c.author_time = int(self._timestamp)
200
c.commit_timezone = self._timezone
201
c.author_timezone = self._timezone
203
c.message = message.encode("utf-8")
205
commit_supplement = CommitSupplement()
206
commit_supplement.revision_id = self._new_revision_id
207
commit_supplement.properties = self._revprops
208
commit_supplement.explicit_parent_ids = self.parents
209
if commit_supplement:
210
c.message = inject_bzr_metadata(c.message, commit_supplement, "utf-8")
212
assert len(c.id) == 40
213
if self._new_revision_id is None:
214
self._new_revision_id = self.mapping.revision_id_foreign_to_bzr(c.id)
215
self.store.add_object(c)
216
self.repository.commit_write_group()
217
return self._new_revision_id
220
self.repository.abort_write_group()
222
def will_record_deletes(self):
223
self._will_record_deletes = True
225
def revision_tree(self):
226
return self.repository.revision_tree(self._new_revision_id)