13
13
# You should have received a copy of the GNU General Public License
14
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
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
17
"""RevisionTree - a Tree implementation backed by repository data for a revision."""
21
21
from bzrlib import (
27
from bzrlib.tree import Tree
30
class RevisionTree(Tree):
28
class RevisionTree(tree.Tree):
31
29
"""Tree viewing a previous revision.
33
31
File text can be retrieved from the text store.
36
34
def __init__(self, branch, inv, revision_id):
37
# for compatability the 'branch' parameter has not been renamed to
35
# for compatability the 'branch' parameter has not been renamed to
38
36
# repository at this point. However, we should change RevisionTree's
39
# construction to always be via Repository and not via direct
37
# construction to always be via Repository and not via direct
40
38
# construction - this will mean that we can change the constructor
41
39
# with much less chance of breaking client code.
42
40
self._repository = branch
58
57
parent_ids = self._repository.get_revision(
59
58
self._revision_id).parent_ids
62
61
def get_revision_id(self):
63
62
"""Return the revision id associated with this tree."""
64
63
return self._revision_id
66
def get_file_lines(self, file_id):
67
return osutils.split_lines(self.get_file_text(file_id))
69
def get_file_text(self, file_id):
70
return list(self.iter_files_bytes([(file_id, None)]))[0][1]
65
def get_file_text(self, file_id, path=None):
66
_, content = list(self.iter_files_bytes([(file_id, None)]))[0]
67
return ''.join(content)
72
69
def get_file(self, file_id, path=None):
73
70
return StringIO(self.get_file_text(file_id))
88
85
default_revision=revision.CURRENT_REVISION):
89
86
"""See Tree.annotate_iter"""
90
87
text_key = (file_id, self.inventory[file_id].revision)
91
annotations = self._repository.texts.annotate(text_key)
88
annotator = self._repository.texts.get_annotator()
89
annotations = annotator.annotate_flat(text_key)
92
90
return [(key[-1], line) for key, line in annotations]
94
92
def get_file_size(self, file_id):
104
102
def get_file_mtime(self, file_id, path=None):
105
103
ie = self._inventory[file_id]
106
revision = self._repository.get_revision(ie.revision)
105
revision = self._repository.get_revision(ie.revision)
106
except errors.NoSuchRevision:
107
raise errors.FileTimestampUnavailable(self.id2path(file_id))
107
108
return revision.timestamp
109
110
def is_executable(self, file_id, path=None):
115
116
def has_filename(self, filename):
116
117
return bool(self.inventory.path2id(filename))
118
def list_files(self, include_root=False):
119
def list_files(self, include_root=False, from_dir=None, recursive=True):
119
120
# The only files returned by this are those from the version
120
entries = self.inventory.iter_entries()
121
# skip the root for compatability with the current apis.
122
if self.inventory.root is not None and not include_root:
125
from_dir_id = inv.path2id(from_dir)
126
if from_dir_id is None:
127
# Directory not versioned
129
entries = inv.iter_entries(from_dir=from_dir_id, recursive=recursive)
130
if inv.root is not None and not include_root and from_dir is None:
123
131
# skip the root for compatability with the current apis.
125
133
for path, entry in entries:
210
223
self._rules_searcher = super(RevisionTree,
211
224
self)._get_rules_searcher(default_searcher)
212
225
return self._rules_searcher
228
class InterCHKRevisionTree(tree.InterTree):
229
"""Fast path optimiser for RevisionTrees with CHK inventories."""
232
def is_compatible(source, target):
233
if (isinstance(source, RevisionTree)
234
and isinstance(target, RevisionTree)):
236
# Only CHK inventories have id_to_entry attribute
237
source.inventory.id_to_entry
238
target.inventory.id_to_entry
240
except AttributeError:
244
def iter_changes(self, include_unchanged=False,
245
specific_files=None, pb=None, extra_trees=[],
246
require_versioned=True, want_unversioned=False):
247
lookup_trees = [self.source]
249
lookup_trees.extend(extra_trees)
250
# The ids of items we need to examine to insure delta consistency.
251
precise_file_ids = set()
252
discarded_changes = {}
253
if specific_files == []:
254
specific_file_ids = []
256
specific_file_ids = self.target.paths2ids(specific_files,
257
lookup_trees, require_versioned=require_versioned)
258
# FIXME: It should be possible to delegate include_unchanged handling
259
# to CHKInventory.iter_changes and do a better job there -- vila
261
changed_file_ids = set()
262
for result in self.target.inventory.iter_changes(self.source.inventory):
263
if specific_file_ids is not None:
265
if file_id not in specific_file_ids:
266
# A change from the whole tree that we don't want to show yet.
267
# We may find that we need to show it for delta consistency, so
269
discarded_changes[result[0]] = result
271
new_parent_id = result[4][1]
272
precise_file_ids.add(new_parent_id)
274
changed_file_ids.add(result[0])
275
if specific_file_ids is not None:
276
for result in self._handle_precise_ids(precise_file_ids,
277
changed_file_ids, discarded_changes=discarded_changes):
279
if include_unchanged:
280
# CHKMap avoid being O(tree), so we go to O(tree) only if
282
# Now walk the whole inventory, excluding the already yielded
284
changed_file_ids = set(changed_file_ids)
285
for relpath, entry in self.target.inventory.iter_entries():
286
if (specific_file_ids is not None
287
and not entry.file_id in specific_file_ids):
289
if not entry.file_id in changed_file_ids:
290
yield (entry.file_id,
291
(relpath, relpath), # Not renamed
292
False, # Not modified
293
(True, True), # Still versioned
294
(entry.parent_id, entry.parent_id),
295
(entry.name, entry.name),
296
(entry.kind, entry.kind),
297
(entry.executable, entry.executable))
300
tree.InterTree.register_optimiser(InterCHKRevisionTree)