1
# Copyright (C) 2018 Jelmer Vernooij <jelmer@jelmer.uk>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
from __future__ import absolute_import
21
from dulwich.object_store import (
25
from ..errors import (
27
UnavailableRepresentation,
29
from ..graph import Graph
30
from ..revision import (
35
class GitFulltextContentFactory(object):
36
"""Static data content factory.
38
This takes a fulltext when created and just returns that during
39
get_bytes_as('fulltext').
41
:ivar sha1: None, or the sha1 of the content fulltext.
42
:ivar storage_kind: The native storage kind of this factory. Always
44
:ivar key: The key of this content. Each key is a tuple with a single
46
:ivar parents: A tuple of parent keys for self.key. If the object has
47
no parent information, None (as opposed to () for an empty list of
51
def __init__(self, store, path, revision, blob_id):
52
"""Create a ContentFactory."""
54
self.key = (path, revision)
55
self.storage_kind = 'fulltext'
57
self.blob_id = blob_id
59
def get_bytes_as(self, storage_kind):
60
if storage_kind == 'fulltext':
61
return self.store[self.blob_id].as_raw_string()
62
elif storage_kind == 'chunked':
63
return self.store[self.blob_id].as_raw_chunks()
64
raise UnavailableRepresentation(self.key, storage_kind,
68
class GitAbsentContentFactory(object):
69
"""Absent data content factory.
71
:ivar sha1: None, or the sha1 of the content fulltext.
72
:ivar storage_kind: The native storage kind of this factory. Always
74
:ivar key: The key of this content. Each key is a tuple with a single
76
:ivar parents: A tuple of parent keys for self.key. If the object has
77
no parent information, None (as opposed to () for an empty list of
81
def __init__(self, store, path, revision):
82
"""Create a ContentFactory."""
84
self.key = (path, revision)
85
self.storage_kind = 'absent'
88
def get_bytes_as(self, storage_kind):
92
class AnnotateProvider(object):
94
def __init__(self, change_scanner):
95
self.change_scanner = change_scanner
96
self.store = self.change_scanner.repository._git.object_store
98
def _get_parents(self, path, text_revision):
99
commit_id, mapping = (
100
self.change_scanner.repository.lookup_bzr_revision_id(
103
for commit_parent in self.store[commit_id].parents:
105
(path, text_parent) = (
106
self.change_scanner.find_last_change_revision(
107
path.encode('utf-8'), commit_parent))
110
if text_parent not in text_parents:
111
text_parents.append(text_parent)
113
(path.decode('utf-8'),
114
self.change_scanner.repository.lookup_foreign_revision_id(p))
115
for p in text_parents])
117
def get_parent_map(self, keys):
120
(path, text_revision) = key
121
if text_revision == NULL_REVISION:
125
ret[key] = self._get_parents(path, text_revision)
130
def get_record_stream(self, keys, ordering, include_delta_closure):
131
if ordering == 'topological':
133
keys = graph.iter_topo_order(keys)
134
store = self.change_scanner.repository._git.object_store
135
for (path, text_revision) in keys:
137
commit_id, mapping = (
138
self.change_scanner.repository.lookup_bzr_revision_id(
140
except NoSuchRevision:
141
yield GitAbsentContentFactory(store, path, text_revision)
145
tree_id = store[commit_id].tree
147
yield GitAbsentContentFactory(store, path, text_revision)
150
(mode, blob_sha) = tree_lookup_path(
151
store.__getitem__, tree_id, path.encode('utf-8'))
153
yield GitAbsentContentFactory(store, path, text_revision)
155
yield GitFulltextContentFactory(
156
store, path, text_revision, blob_sha)