14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
from __future__ import absolute_import
19
21
from stat import S_ISREG, S_IEXEC
22
from bzrlib.lazy_import import lazy_import
23
lazy_import(globals(), """
25
config as _mod_config,
32
lazy_import.lazy_import(globals(), """
33
43
revision as _mod_revision,
47
from breezy.bzr import (
51
from breezy.i18n import gettext
37
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
38
ReusingTransform, CantMoveRoot,
39
ExistingLimbo, ImmortalLimbo, NoFinalPath,
41
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
42
from bzrlib.inventory import InventoryEntry
43
from bzrlib.osutils import (
53
from .errors import (DuplicateKey, MalformedTransform,
54
ReusingTransform, CantMoveRoot,
55
ImmortalLimbo, NoFinalPath,
57
from .filters import filtered_output_bytes, ContentFilterContext
58
from .mutabletree import MutableTree
59
from .osutils import (
53
from bzrlib.progress import ProgressPhase
54
from bzrlib.symbol_versioning import (
58
from bzrlib.trace import mutter, warning
59
from bzrlib import tree
61
import bzrlib.urlutils as urlutils
67
from .progress import ProgressPhase
64
74
ROOT_PARENT = "root-parent"
67
76
def unique_add(map, key, value):
69
78
raise DuplicateKey(key=key)
73
83
class _TransformResults(object):
74
84
def __init__(self, modified_paths, rename_count):
75
85
object.__init__(self)
380
401
return sorted(FinalPaths(self).get_paths(new_ids))
382
403
def _inventory_altered(self):
383
"""Get the trans_ids and paths of files needing new inv entries."""
385
for id_set in [self._new_name, self._new_parent, self._new_id,
404
"""Determine which trans_ids need new Inventory entries.
406
An new entry is needed when anything that would be reflected by an
407
inventory entry changes, including file name, file_id, parent file_id,
408
file kind, and the execute bit.
410
Some care is taken to return entries with real changes, not cases
411
where the value is deleted and then restored to its original value,
412
but some actually unchanged values may be returned.
414
:returns: A list of (path, trans_id) for all items requiring an
415
inventory change. Ordered by path.
418
# Find entries whose file_ids are new (or changed).
419
new_file_id = set(t for t in self._new_id
420
if self._new_id[t] != self.tree_file_id(t))
421
for id_set in [self._new_name, self._new_parent, new_file_id,
386
422
self._new_executability]:
387
new_ids.update(id_set)
423
changed_ids.update(id_set)
424
# removing implies a kind change
388
425
changed_kind = set(self._removed_contents)
389
427
changed_kind.intersection_update(self._new_contents)
390
changed_kind.difference_update(new_ids)
391
changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
393
new_ids.update(changed_kind)
394
return sorted(FinalPaths(self).get_paths(new_ids))
428
# Ignore entries that are already known to have changed.
429
changed_kind.difference_update(changed_ids)
430
# to keep only the truly changed ones
431
changed_kind = (t for t in changed_kind
432
if self.tree_kind(t) != self.final_kind(t))
433
# all kind changes will alter the inventory
434
changed_ids.update(changed_kind)
435
# To find entries with changed parent_ids, find parents which existed,
436
# but changed file_id.
437
changed_file_id = set(t for t in new_file_id if t in self._removed_id)
438
# Now add all their children to the set.
439
for parent_trans_id in new_file_id:
440
changed_ids.update(self.iter_tree_children(parent_trans_id))
441
return sorted(FinalPaths(self).get_paths(changed_ids))
396
443
def final_kind(self, trans_id):
397
444
"""Determine the final file kind, after any changes applied.
399
Raises NoSuchFile if the file does not exist/has no contents.
400
(It is conceivable that a path would be created without the
401
corresponding contents insertion command)
446
:return: None if the file does not exist/has no contents. (It is
447
conceivable that a path would be created without the corresponding
448
contents insertion command)
403
450
if trans_id in self._new_contents:
404
451
return self._new_contents[trans_id]
405
452
elif trans_id in self._removed_contents:
406
raise NoSuchFile(None)
408
455
return self.tree_kind(trans_id)
531
579
# ensure that all children are registered with the transaction
532
580
list(self.iter_tree_children(parent_id))
534
def has_named_child(self, by_parent, parent_id, name):
536
children = by_parent[parent_id]
539
for child in children:
582
def _has_named_child(self, name, parent_id, known_children):
583
"""Does a parent already have a name child.
585
:param name: The searched for name.
587
:param parent_id: The parent for which the check is made.
589
:param known_children: The already known children. This should have
590
been recently obtained from `self.by_parent.get(parent_id)`
591
(or will be if None is passed).
593
if known_children is None:
594
known_children = self.by_parent().get(parent_id, [])
595
for child in known_children:
540
596
if self.final_name(child) == name:
543
path = self._tree_id_paths[parent_id]
598
parent_path = self._tree_id_paths.get(parent_id, None)
599
if parent_path is None:
600
# No parent... no children
546
childpath = joinpath(path, name)
547
child_id = self._tree_path_ids.get(childpath)
602
child_path = joinpath(parent_path, name)
603
child_id = self._tree_path_ids.get(child_path, None)
548
604
if child_id is None:
549
return lexists(self._tree.abspath(childpath))
605
# Not known by the tree transform yet, check the filesystem
606
return osutils.lexists(self._tree.abspath(child_path))
551
if self.final_parent(child_id) != parent_id:
553
if child_id in self._removed_contents:
554
# XXX What about dangling file-ids?
608
raise AssertionError('child_id is missing: %s, %s, %s'
609
% (name, parent_id, child_id))
611
def _available_backup_name(self, name, target_id):
612
"""Find an available backup name.
614
:param name: The basename of the file.
616
:param target_id: The directory trans_id where the backup should
619
known_children = self.by_parent().get(target_id, [])
620
return osutils.available_backup_name(
622
lambda base: self._has_named_child(
623
base, target_id, known_children))
559
625
def _parent_loops(self):
560
626
"""No entry should be its own ancestor"""
644
703
if (self._new_name, self._new_parent) == ({}, {}):
646
for children in by_parent.itervalues():
647
name_ids = [(self.final_name(t), t) for t in children]
648
if not self._case_sensitive_target:
649
name_ids = [(n.lower(), t) for n, t in name_ids]
705
for children in viewvalues(by_parent):
707
for child_tid in children:
708
name = self.final_name(child_tid)
710
# Keep children only if they still exist in the end
711
if not self._case_sensitive_target:
713
name_ids.append((name, child_tid))
652
716
last_trans_id = None
653
717
for name, trans_id in name_ids:
655
kind = self.final_kind(trans_id)
718
kind = self.final_kind(trans_id)
658
719
file_id = self.final_file_id(trans_id)
659
720
if kind is None and file_id is None:
672
733
self._removed_id))
673
734
all_ids = self._tree.all_file_ids()
674
735
active_tree_ids = all_ids.difference(removed_tree_ids)
675
for trans_id, file_id in self._new_id.iteritems():
736
for trans_id, file_id in viewitems(self._new_id):
676
737
if file_id in active_tree_ids:
677
738
old_trans_id = self.trans_id_tree_file_id(file_id)
678
739
conflicts.append(('duplicate id', old_trans_id, trans_id))
681
742
def _parent_type_conflicts(self, by_parent):
682
"""parents must have directory 'contents'."""
743
"""Children must have a directory parent"""
684
for parent_id, children in by_parent.iteritems():
685
if parent_id is ROOT_PARENT:
687
if not self._any_contents(children):
689
for child in children:
691
self.final_kind(child)
695
kind = self.final_kind(parent_id)
745
for parent_id, children in viewitems(by_parent):
746
if parent_id == ROOT_PARENT:
749
for child_id in children:
750
if self.final_kind(child_id) is not None:
755
# There is at least a child, so we need an existing directory to
757
kind = self.final_kind(parent_id)
759
# The directory will be deleted
699
760
conflicts.append(('missing parent', parent_id))
700
761
elif kind != "directory":
762
# Meh, we need a *directory* to put something in it
701
763
conflicts.append(('non-directory parent', parent_id))
704
def _any_contents(self, trans_ids):
705
"""Return true if any of the trans_ids, will have contents."""
706
for trans_id in trans_ids:
708
kind = self.final_kind(trans_id)
714
766
def _set_executability(self, path, trans_id):
715
767
"""Set the executability of versioned files """
716
if supports_executable():
768
if self._tree._supports_executable():
717
769
new_executability = self._new_executability[trans_id]
718
770
abspath = self._tree.abspath(path)
719
771
current_mode = os.stat(abspath).st_mode
720
772
if new_executability:
721
773
umask = os.umask(0)
723
to_mode = current_mode | (0100 & ~umask)
775
to_mode = current_mode | (0o100 & ~umask)
724
776
# Enable x-bit for others only if they can read it.
725
if current_mode & 0004:
726
to_mode |= 0001 & ~umask
727
if current_mode & 0040:
728
to_mode |= 0010 & ~umask
777
if current_mode & 0o004:
778
to_mode |= 0o001 & ~umask
779
if current_mode & 0o040:
780
to_mode |= 0o010 & ~umask
730
to_mode = current_mode & ~0111
731
os.chmod(abspath, to_mode)
782
to_mode = current_mode & ~0o111
783
osutils.chmod_if_possible(abspath, to_mode)
733
785
def _new_entry(self, name, parent_id, file_id):
734
786
"""Helper function to create a new filesystem entry."""
780
832
self.create_symlink(target, trans_id)
835
def new_orphan(self, trans_id, parent_id):
836
"""Schedule an item to be orphaned.
838
When a directory is about to be removed, its children, if they are not
839
versioned are moved out of the way: they don't have a parent anymore.
841
:param trans_id: The trans_id of the existing item.
842
:param parent_id: The parent trans_id of the item.
844
raise NotImplementedError(self.new_orphan)
846
def _get_potential_orphans(self, dir_id):
847
"""Find the potential orphans in a directory.
849
A directory can't be safely deleted if there are versioned files in it.
850
If all the contained files are unversioned then they can be orphaned.
852
The 'None' return value means that the directory contains at least one
853
versioned file and should not be deleted.
855
:param dir_id: The directory trans id.
857
:return: A list of the orphan trans ids or None if at least one
858
versioned file is present.
861
# Find the potential orphans, stop if one item should be kept
862
for child_tid in self.by_parent()[dir_id]:
863
if child_tid in self._removed_contents:
864
# The child is removed as part of the transform. Since it was
865
# versioned before, it's not an orphan
867
elif self.final_file_id(child_tid) is None:
868
# The child is not versioned
869
orphans.append(child_tid)
871
# We have a versioned file here, searching for orphans is
783
877
def _affected_ids(self):
784
878
"""Return the set of transform ids affected by the transform"""
785
879
trans_ids = set(self._removed_id)
786
trans_ids.update(self._new_id.keys())
880
trans_ids.update(self._new_id)
787
881
trans_ids.update(self._removed_contents)
788
trans_ids.update(self._new_contents.keys())
789
trans_ids.update(self._new_executability.keys())
790
trans_ids.update(self._new_name.keys())
791
trans_ids.update(self._new_parent.keys())
882
trans_ids.update(self._new_contents)
883
trans_ids.update(self._new_executability)
884
trans_ids.update(self._new_name)
885
trans_ids.update(self._new_parent)
794
888
def _get_file_id_maps(self):
928
1019
return _PreviewTree(self)
930
def commit(self, branch, message, merge_parents=None, strict=False):
1021
def commit(self, branch, message, merge_parents=None, strict=False,
1022
timestamp=None, timezone=None, committer=None, authors=None,
1023
revprops=None, revision_id=None):
931
1024
"""Commit the result of this TreeTransform to a branch.
933
1026
:param branch: The branch to commit to.
934
1027
:param message: The message to attach to the commit.
935
:param merge_parents: Additional parents specified by pending merges.
1028
:param merge_parents: Additional parent revision-ids specified by
1030
:param strict: If True, abort the commit if there are unversioned
1032
:param timestamp: if not None, seconds-since-epoch for the time and
1033
date. (May be a float.)
1034
:param timezone: Optional timezone for timestamp, as an offset in
1036
:param committer: Optional committer in email-id format.
1037
(e.g. "J Random Hacker <jrandom@example.com>")
1038
:param authors: Optional list of authors in email-id format.
1039
:param revprops: Optional dictionary of revision properties.
1040
:param revision_id: Optional revision id. (Specifying a revision-id
1041
may reduce performance for some non-native formats.)
936
1042
:return: The revision_id of the revision committed.
938
1044
self._check_malformed()
1030
1143
:param records: An iterable of (names, content) tuples, as per
1031
1144
pack.ContainerPushParser.
1033
names, content = records.next()
1146
names, content = next(records)
1034
1147
attribs = bencode.bdecode(content)
1035
1148
self._id_number = attribs['_id_number']
1036
1149
self._new_name = dict((k, v.decode('utf-8'))
1037
for k, v in attribs['_new_name'].items())
1150
for k, v in viewitems(attribs['_new_name']))
1038
1151
self._new_parent = attribs['_new_parent']
1039
self._new_executability = dict((k, bool(v)) for k, v in
1040
attribs['_new_executability'].items())
1152
self._new_executability = dict((k, bool(v))
1153
for k, v in viewitems(attribs['_new_executability']))
1041
1154
self._new_id = attribs['_new_id']
1042
self._r_new_id = dict((v, k) for k, v in self._new_id.items())
1155
self._r_new_id = dict((v, k) for k, v in viewitems(self._new_id))
1043
1156
self._tree_path_ids = {}
1044
1157
self._tree_id_paths = {}
1045
for bytepath, trans_id in attribs['_tree_path_ids'].items():
1158
for bytepath, trans_id in viewitems(attribs['_tree_path_ids']):
1046
1159
path = bytepath.decode('utf-8')
1047
1160
self._tree_path_ids[path] = trans_id
1048
1161
self._tree_id_paths[trans_id] = path
1173
1302
descendants.update(self._limbo_descendants(descendant))
1174
1303
return descendants
1176
def create_file(self, contents, trans_id, mode_id=None):
1305
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1306
"""Schedule creation of a new file.
1181
Contents is an iterator of strings, all of which will be written
1182
to the target destination.
1184
New file takes the permissions of any existing file with that id,
1185
unless mode_id is specified.
1310
:param contents: an iterator of strings, all of which will be written
1311
to the target destination.
1312
:param trans_id: TreeTransform handle
1313
:param mode_id: If not None, force the mode of the target file to match
1314
the mode of the object referenced by mode_id.
1315
Otherwise, we will try to preserve mode bits of an existing file.
1316
:param sha1: If the sha1 of this content is already known, pass it in.
1317
We can use it to prevent future sha1 computations.
1187
1319
name = self._limbo_name(trans_id)
1188
1320
f = open(name, 'wb')
1191
unique_add(self._new_contents, trans_id, 'file')
1193
# Clean up the file, it never got registered so
1194
# TreeTransform.finalize() won't clean it up.
1322
unique_add(self._new_contents, trans_id, 'file')
1199
1323
f.writelines(contents)
1202
1326
self._set_mtime(name)
1203
1327
self._set_mode(trans_id, mode_id, S_ISREG)
1328
# It is unfortunate we have to use lstat instead of fstat, but we just
1329
# used utime and chmod on the file, so we need the accurate final
1331
if sha1 is not None:
1332
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1205
1334
def _read_file_chunks(self, trans_id):
1206
1335
cur_file = open(self._limbo_name(trans_id), 'rb')
1274
1405
del self._limbo_children_names[trans_id]
1275
1406
delete_any(self._limbo_name(trans_id))
1408
def new_orphan(self, trans_id, parent_id):
1409
conf = self._tree.get_config_stack()
1410
handle_orphan = conf.get('bzr.transform.orphan_policy')
1411
handle_orphan(self, trans_id, parent_id)
1414
class OrphaningError(errors.BzrError):
1416
# Only bugs could lead to such exception being seen by the user
1417
internal_error = True
1418
_fmt = "Error while orphaning %s in %s directory"
1420
def __init__(self, orphan, parent):
1421
errors.BzrError.__init__(self)
1422
self.orphan = orphan
1423
self.parent = parent
1426
class OrphaningForbidden(OrphaningError):
1428
_fmt = "Policy: %s doesn't allow creating orphans."
1430
def __init__(self, policy):
1431
errors.BzrError.__init__(self)
1432
self.policy = policy
1435
def move_orphan(tt, orphan_id, parent_id):
1436
"""See TreeTransformBase.new_orphan.
1438
This creates a new orphan in the `brz-orphans` dir at the root of the
1441
:param tt: The TreeTransform orphaning `trans_id`.
1443
:param orphan_id: The trans id that should be orphaned.
1445
:param parent_id: The orphan parent trans id.
1447
# Add the orphan dir if it doesn't exist
1448
orphan_dir_basename = 'brz-orphans'
1449
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1450
if tt.final_kind(od_id) is None:
1451
tt.create_directory(od_id)
1452
parent_path = tt._tree_id_paths[parent_id]
1453
# Find a name that doesn't exist yet in the orphan dir
1454
actual_name = tt.final_name(orphan_id)
1455
new_name = tt._available_backup_name(actual_name, od_id)
1456
tt.adjust_path(new_name, od_id, orphan_id)
1457
trace.warning('%s has been orphaned in %s'
1458
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1461
def refuse_orphan(tt, orphan_id, parent_id):
1462
"""See TreeTransformBase.new_orphan.
1464
This refuses to create orphan, letting the caller handle the conflict.
1466
raise OrphaningForbidden('never')
1469
orphaning_registry = registry.Registry()
1470
orphaning_registry.register(
1471
'conflict', refuse_orphan,
1472
'Leave orphans in place and create a conflict on the directory.')
1473
orphaning_registry.register(
1474
'move', move_orphan,
1475
'Move orphans into the brz-orphans directory.')
1476
orphaning_registry._set_default_key('conflict')
1479
opt_transform_orphan = _mod_config.RegistryOption(
1480
'bzr.transform.orphan_policy', orphaning_registry,
1481
help='Policy for orphaned files during transform operations.',
1278
1485
class TreeTransform(DiskTreeTransform):
1279
1486
"""Represent a tree transformation.
1572
1776
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1574
1778
entries = self._tree.iter_entries_by_dir(
1575
new_path_file_ids.values())
1779
viewvalues(new_path_file_ids))
1576
1780
old_paths = dict((e.file_id, p) for p, e in entries)
1577
1781
final_kinds = {}
1578
1782
for num, (path, trans_id) in enumerate(new_paths):
1579
1783
if (num % 10) == 0:
1580
child_pb.update('adding file',
1784
child_pb.update(gettext('adding file'),
1581
1785
num + len(self._removed_id), total_entries)
1582
1786
file_id = new_path_file_ids[trans_id]
1583
1787
if file_id is None:
1585
1789
needs_entry = False
1587
kind = self.final_kind(trans_id)
1589
kind = self._tree.stored_kind(file_id)
1790
kind = self.final_kind(trans_id)
1792
kind = self._tree.stored_kind(
1793
self._tree.id2path(file_id), file_id)
1590
1794
parent_trans_id = self.final_parent(trans_id)
1591
1795
parent_file_id = new_path_file_ids.get(parent_trans_id)
1592
1796
if parent_file_id is None:
1621
1825
If inventory_delta is None, no inventory delta generation is performed.
1623
tree_paths = list(self._tree_path_ids.iteritems())
1624
tree_paths.sort(reverse=True)
1625
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1827
tree_paths = sorted(viewitems(self._tree_path_ids), reverse=True)
1828
child_pb = ui.ui_factory.nested_progress_bar()
1627
for num, data in enumerate(tree_paths):
1628
path, trans_id = data
1629
child_pb.update('removing file', num, len(tree_paths))
1830
for num, (path, trans_id) in enumerate(tree_paths):
1831
# do not attempt to move root into a subdirectory of itself.
1834
child_pb.update(gettext('removing file'), num, len(tree_paths))
1630
1835
full_path = self._tree.abspath(path)
1631
1836
if trans_id in self._removed_contents:
1632
1837
delete_path = os.path.join(self._deletiondir, trans_id)
1657
1862
modified_paths = []
1658
1863
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1660
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1865
child_pb = ui.ui_factory.nested_progress_bar()
1662
1867
for num, (path, trans_id) in enumerate(new_paths):
1663
1868
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1869
child_pb.update(gettext('adding file'), num, len(new_paths))
1665
1870
full_path = self._tree.abspath(path)
1666
1871
if trans_id in self._needs_rename:
1668
1873
mover.rename(self._limbo_name(trans_id), full_path)
1874
except errors.TransformRenameFailed as e:
1670
1875
# We may be renaming a dangling inventory id
1671
1876
if e.errno != errno.ENOENT:
1674
1879
self.rename_count += 1
1880
# TODO: if trans_id in self._observed_sha1s, we should
1881
# re-stat the final target, since ctime will be
1882
# updated by the change.
1675
1883
if (trans_id in self._new_contents or
1676
1884
self.path_changed(trans_id)):
1677
1885
if trans_id in self._new_contents:
1678
1886
modified_paths.append(full_path)
1679
1887
if trans_id in self._new_executability:
1680
1888
self._set_executability(path, trans_id)
1889
if trans_id in self._observed_sha1s:
1890
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1891
st = osutils.lstat(full_path)
1892
self._observed_sha1s[trans_id] = (o_sha1, st)
1682
1894
child_pb.finished()
1895
for path, trans_id in new_paths:
1896
# new_paths includes stuff like workingtree conflicts. Only the
1897
# stuff in new_contents actually comes from limbo.
1898
if trans_id in self._limbo_files:
1899
del self._limbo_files[trans_id]
1683
1900
self._new_contents.clear()
1684
1901
return modified_paths
1903
def _apply_observed_sha1s(self):
1904
"""After we have finished renaming everything, update observed sha1s
1906
This has to be done after self._tree.apply_inventory_delta, otherwise
1907
it doesn't know anything about the files we are updating. Also, we want
1908
to do this as late as possible, so that most entries end up cached.
1910
# TODO: this doesn't update the stat information for directories. So
1911
# the first 'bzr status' will still need to rewrite
1912
# .bzr/checkout/dirstate. However, we at least don't need to
1913
# re-read all of the files.
1914
# TODO: If the operation took a while, we could do a time.sleep(3) here
1915
# to allow the clock to tick over and ensure we won't have any
1916
# problems. (we could observe start time, and finish time, and if
1917
# it is less than eg 10% overhead, add a sleep call.)
1918
paths = FinalPaths(self)
1919
for trans_id, observed in viewitems(self._observed_sha1s):
1920
path = paths.get_path(trans_id)
1921
# We could get the file_id, but dirstate prefers to use the path
1922
# anyway, and it is 'cheaper' to determine.
1923
# file_id = self._new_id[trans_id]
1924
self._tree._observed_sha1(None, path, observed)
1687
1927
class TransformPreview(DiskTreeTransform):
1688
1928
"""A TreeTransform for generating preview trees.
1766
2011
except errors.NoSuchRevisionInTree:
1767
2012
yield self._get_repository().revision_tree(revision_id)
1769
def _get_file_revision(self, file_id, vf, tree_revision):
1770
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
1771
self._iter_parent_trees()]
2014
def _get_file_revision(self, path, file_id, vf, tree_revision):
2016
(file_id, t.get_file_revision(t.id2path(file_id), file_id))
2017
for t in self._iter_parent_trees()]
1772
2018
vf.add_lines((file_id, tree_revision), parent_keys,
1773
self.get_file(file_id).readlines())
2019
self.get_file_lines(path, file_id))
1774
2020
repo = self._get_repository()
1775
2021
base_vf = repo.texts
1776
2022
if base_vf not in vf.fallback_versionedfiles:
1777
2023
vf.fallback_versionedfiles.append(base_vf)
1778
2024
return tree_revision
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2026
def _stat_limbo_file(self, file_id=None, trans_id=None):
2027
if trans_id is None:
2028
trans_id = self._transform.trans_id_file_id(file_id)
1782
2029
name = self._transform._limbo_name(trans_id)
1783
2030
return os.lstat(name)
1975
2238
for path, entry in entries:
1976
2239
yield path, 'V', entry.kind, entry.file_id, entry
1978
def kind(self, file_id):
2241
def kind(self, path, file_id=None):
2243
file_id = self.path2id(path)
1979
2244
trans_id = self._transform.trans_id_file_id(file_id)
1980
2245
return self._transform.final_kind(trans_id)
1982
def stored_kind(self, file_id):
2247
def stored_kind(self, path, file_id=None):
2249
file_id = self.path2id(path)
1983
2250
trans_id = self._transform.trans_id_file_id(file_id)
1985
2252
return self._transform._new_contents[trans_id]
1986
2253
except KeyError:
1987
return self._transform._tree.stored_kind(file_id)
2254
return self._transform._tree.stored_kind(path, file_id)
1989
def get_file_mtime(self, file_id, path=None):
2256
def get_file_mtime(self, path, file_id=None):
1990
2257
"""See Tree.get_file_mtime"""
2259
file_id = self.path2id(path)
2261
raise errors.NoSuchFile(path)
1991
2262
if not self._content_change(file_id):
1992
return self._transform._tree.get_file_mtime(file_id)
2263
return self._transform._tree.get_file_mtime(
2264
self._transform._tree.id2path(file_id), file_id)
1993
2265
return self._stat_limbo_file(file_id).st_mtime
1995
2267
def _file_size(self, entry, stat_value):
1996
return self.get_file_size(entry.file_id)
2268
path = self.id2path(entry.file_id)
2269
return self.get_file_size(path, entry.file_id)
1998
def get_file_size(self, file_id):
2271
def get_file_size(self, path, file_id=None):
1999
2272
"""See Tree.get_file_size"""
2000
if self.kind(file_id) == 'file':
2001
return self._transform._tree.get_file_size(file_id)
2274
file_id = self.path2id(path)
2275
trans_id = self._transform.trans_id_file_id(file_id)
2276
kind = self._transform.final_kind(trans_id)
2279
if trans_id in self._transform._new_contents:
2280
return self._stat_limbo_file(trans_id=trans_id).st_size
2281
if self.kind(path, file_id) == 'file':
2282
return self._transform._tree.get_file_size(path, file_id)
2005
def get_file_sha1(self, file_id, path=None, stat_value=None):
2006
trans_id = self._transform.trans_id_file_id(file_id)
2007
kind = self._transform._new_contents.get(trans_id)
2009
return self._transform._tree.get_file_sha1(file_id)
2011
fileobj = self.get_file(file_id)
2286
def get_file_verifier(self, path, file_id=None, stat_value=None):
2288
file_id = self.path2id(path)
2289
trans_id = self._transform.trans_id_file_id(file_id)
2290
kind = self._transform._new_contents.get(trans_id)
2292
return self._transform._tree.get_file_verifier(path, file_id)
2294
fileobj = self.get_file(path, file_id)
2296
return ("SHA1", sha_file(fileobj))
2300
def get_file_sha1(self, path, file_id=None, stat_value=None):
2302
file_id = self.path2id(path)
2303
trans_id = self._transform.trans_id_file_id(file_id)
2304
kind = self._transform._new_contents.get(trans_id)
2306
return self._transform._tree.get_file_sha1(path, file_id)
2308
fileobj = self.get_file(path, file_id)
2013
2310
return sha_file(fileobj)
2015
2312
fileobj.close()
2017
def is_executable(self, file_id, path=None):
2314
def is_executable(self, path, file_id=None):
2316
file_id = self.path2id(path)
2018
2317
if file_id is None:
2020
2319
trans_id = self._transform.trans_id_file_id(file_id)
2081
2389
raise ValueError('want_unversioned is not supported')
2082
2390
return self._transform.iter_changes()
2084
def get_file(self, file_id, path=None):
2392
def get_file(self, path, file_id=None):
2085
2393
"""See Tree.get_file"""
2395
file_id = self.path2id(path)
2086
2396
if not self._content_change(file_id):
2087
return self._transform._tree.get_file(file_id, path)
2397
return self._transform._tree.get_file(path, file_id)
2088
2398
trans_id = self._transform.trans_id_file_id(file_id)
2089
2399
name = self._transform._limbo_name(trans_id)
2090
2400
return open(name, 'rb')
2092
def get_file_with_stat(self, file_id, path=None):
2093
return self.get_file(file_id, path), None
2402
def get_file_with_stat(self, path, file_id=None):
2403
return self.get_file(path, file_id), None
2095
def annotate_iter(self, file_id,
2405
def annotate_iter(self, path, file_id=None,
2096
2406
default_revision=_mod_revision.CURRENT_REVISION):
2408
file_id = self.path2id(path)
2097
2409
changes = self._iter_changes_cache.get(file_id)
2098
2410
if changes is None:
2243
2559
:param delta_from_tree: If true, build_tree may use the input Tree to
2244
2560
generate the inventory delta.
2246
wt.lock_tree_write()
2562
with wt.lock_tree_write(), tree.lock_read():
2563
if accelerator_tree is not None:
2564
accelerator_tree.lock_read()
2566
return _build_tree(tree, wt, accelerator_tree, hardlink,
2250
2569
if accelerator_tree is not None:
2251
accelerator_tree.lock_read()
2253
return _build_tree(tree, wt, accelerator_tree, hardlink,
2256
if accelerator_tree is not None:
2257
accelerator_tree.unlock()
2570
accelerator_tree.unlock()
2264
2573
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2265
2574
"""See build_tree."""
2266
for num, _unused in enumerate(wt.all_file_ids()):
2575
for num, _unused in enumerate(wt.all_versioned_paths()):
2267
2576
if num > 0: # more than just a root
2268
2577
raise errors.WorkingTreeAlreadyPopulated(base=wt.basedir)
2269
existing_files = set()
2270
for dir, files in wt.walkdirs():
2271
existing_files.update(f[0] for f in files)
2272
2578
file_trans_id = {}
2273
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2579
top_pb = ui.ui_factory.nested_progress_bar()
2274
2580
pp = ProgressPhase("Build phase", 2, top_pb)
2275
if tree.inventory.root is not None:
2581
if tree.get_root_id() is not None:
2276
2582
# This is kind of a hack: we should be altering the root
2277
2583
# as part of the regular tree shape diff logic.
2278
2584
# The conditional test here is to avoid doing an
2289
2595
pp.next_phase()
2290
2596
file_trans_id[wt.get_root_id()] = \
2291
2597
tt.trans_id_tree_file_id(wt.get_root_id())
2292
pb = bzrlib.ui.ui_factory.nested_progress_bar()
2598
pb = ui.ui_factory.nested_progress_bar()
2294
2600
deferred_contents = []
2296
total = len(tree.inventory)
2602
total = len(tree.all_versioned_paths())
2297
2603
if delta_from_tree:
2298
2604
precomputed_delta = []
2300
2606
precomputed_delta = None
2607
# Check if tree inventory has content. If so, we populate
2608
# existing_files with the directory content. If there are no
2609
# entries we skip populating existing_files as its not used.
2610
# This improves performance and unncessary work on large
2611
# directory trees. (#501307)
2613
existing_files = set()
2614
for dir, files in wt.walkdirs():
2615
existing_files.update(f[0] for f in files)
2301
2616
for num, (tree_path, entry) in \
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2617
enumerate(tree.iter_entries_by_dir()):
2618
pb.update(gettext("Building tree"), num - len(deferred_contents), total)
2304
2619
if entry.parent_id is None:
2306
2621
reparent = False
2330
2645
trans_id = tt.create_path(entry.name, parent_id)
2331
2646
file_trans_id[file_id] = trans_id
2332
2647
tt.version_file(file_id, trans_id)
2333
executable = tree.is_executable(file_id, tree_path)
2648
executable = tree.is_executable(tree_path, file_id)
2335
2650
tt.set_executability(executable, trans_id)
2336
trans_data = (trans_id, tree_path)
2651
trans_data = (trans_id, tree_path, entry.text_sha1)
2337
2652
deferred_contents.append((file_id, trans_data))
2339
file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2654
file_trans_id[file_id] = new_by_entry(
2655
tree_path, tt, entry, parent_id, tree)
2342
2657
new_trans_id = file_trans_id[file_id]
2343
2658
old_parent = tt.trans_id_tree_path(tree_path)
2380
2695
in iter if not (c or e[0] != e[1])]
2381
2696
if accelerator_tree.supports_content_filtering():
2382
2697
unchanged = [(f, p) for (f, p) in unchanged
2383
if not accelerator_tree.iter_search_rules([p]).next()]
2698
if not next(accelerator_tree.iter_search_rules([p]))]
2384
2699
unchanged = dict(unchanged)
2385
2700
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2702
for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2388
2703
accelerator_path = unchanged.get(file_id)
2389
2704
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2705
new_desired_files.append((file_id,
2706
(trans_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2708
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2710
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2397
contents = accelerator_tree.get_file(file_id, accelerator_path)
2713
contents = accelerator_tree.get_file(accelerator_path, file_id)
2398
2714
if wt.supports_content_filtering():
2399
2715
filters = wt._content_filter_stack(tree_path)
2400
2716
contents = filtered_output_bytes(contents, filters,
2401
2717
ContentFilterContext(tree_path, tree))
2403
tt.create_file(contents, trans_id)
2719
tt.create_file(contents, trans_id, sha1=text_sha1)
2406
2722
contents.close()
2411
2727
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2728
for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2413
2729
tree.iter_files_bytes(new_desired_files)):
2414
2730
if wt.supports_content_filtering():
2415
2731
filters = wt._content_filter_stack(tree_path)
2416
2732
contents = filtered_output_bytes(contents, filters,
2417
2733
ContentFilterContext(tree_path, tree))
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2734
tt.create_file(contents, trans_id, sha1=text_sha1)
2735
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2738
def _reparent_children(tt, old_parent, new_parent):
2423
2739
for child in tt.iter_tree_children(old_parent):
2424
2740
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2743
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2744
by_parent = tt.by_parent()
2428
2745
for child in by_parent[old_parent]:
2429
2746
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2747
return by_parent[old_parent]
2432
2750
def _content_match(tree, entry, file_id, kind, target_path):
2433
2751
if entry.kind != kind:
2435
2753
if entry.kind == "directory":
2755
path = tree.id2path(file_id)
2437
2756
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2757
f = file(target_path, 'rb')
2759
if tree.get_file_text(path, file_id) == f.read():
2440
2763
elif entry.kind == "symlink":
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2764
if tree.get_symlink_target(path, file_id) == os.readlink(target_path):
2488
2811
tt.set_tree_reference(entry.reference_revision, trans_id)
2489
2812
return trans_id
2490
2813
elif kind == 'symlink':
2491
target = tree.get_symlink_target(entry.file_id)
2814
target = tree.get_symlink_target(path, entry.file_id)
2492
2815
return tt.new_symlink(name, parent_id, target, entry.file_id)
2494
2817
raise errors.BadFileKindError(name, kind)
2497
@deprecated_function(deprecated_in((1, 9, 0)))
2498
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
2499
"""Create new file contents according to an inventory entry.
2501
DEPRECATED. Use create_from_tree instead.
2503
if entry.kind == "file":
2505
lines = tree.get_file(entry.file_id).readlines()
2506
tt.create_file(lines, trans_id, mode_id=mode_id)
2507
elif entry.kind == "symlink":
2508
tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
2509
elif entry.kind == "directory":
2510
tt.create_directory(trans_id)
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2820
def create_from_tree(tt, trans_id, tree, path, file_id=None, bytes=None,
2514
2821
filter_tree_path=None):
2515
2822
"""Create new file contents according to tree contents.
2517
2824
:param filter_tree_path: the tree path to use to lookup
2518
2825
content filters to apply to the bytes output in the working tree.
2519
2826
This only applies if the working tree supports content filtering.
2521
kind = tree.kind(file_id)
2828
kind = tree.kind(path, file_id)
2522
2829
if kind == 'directory':
2523
2830
tt.create_directory(trans_id)
2524
2831
elif kind == "file":
2525
2832
if bytes is None:
2526
tree_file = tree.get_file(file_id)
2833
tree_file = tree.get_file(path, file_id)
2528
2835
bytes = tree_file.readlines()
2546
2853
tt.set_executability(entry.executable, trans_id)
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2550
return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2554
"""Produce a backup-style name that appears to be available"""
2558
yield "%s.~%d~" % (name, counter)
2560
for new_name in name_gen():
2561
if not tt.has_named_child(by_parent, parent_trans_id, new_name):
2565
def _entry_changes(file_id, entry, working_tree):
2566
"""Determine in which ways the inventory entry has changed.
2568
Returns booleans: has_contents, content_mod, meta_mod
2569
has_contents means there are currently contents, but they differ
2570
contents_mod means contents need to be modified
2571
meta_mod means the metadata needs to be modified
2573
cur_entry = working_tree.inventory[file_id]
2575
working_kind = working_tree.kind(file_id)
2578
has_contents = False
2581
if has_contents is True:
2582
if entry.kind != working_kind:
2583
contents_mod, meta_mod = True, False
2585
cur_entry._read_tree_state(working_tree.id2path(file_id),
2587
contents_mod, meta_mod = entry.detect_changes(cur_entry)
2588
cur_entry._forget_tree_state()
2589
return has_contents, contents_mod, meta_mod
2592
2856
def revert(working_tree, target_tree, filenames, backups=False,
2593
2857
pb=None, change_reporter=None):
2594
2858
"""Revert a working tree's contents to those of a target tree."""
2651
2919
deferred_files = []
2652
2920
for id_num, (file_id, path, changed_content, versioned, parent, name,
2653
2921
kind, executable) in enumerate(change_list):
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2922
target_path, wt_path = path
2923
target_versioned, wt_versioned = versioned
2924
target_parent, wt_parent = parent
2925
target_name, wt_name = name
2926
target_kind, wt_kind = kind
2927
target_executable, wt_executable = executable
2928
if skip_root and wt_parent is None:
2656
2930
trans_id = tt.trans_id_file_id(file_id)
2658
2932
if changed_content:
2659
2933
keep_content = False
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2661
wt_sha1 = working_tree.get_file_sha1(file_id)
2934
if wt_kind == 'file' and (backups or target_kind is None):
2935
wt_sha1 = working_tree.get_file_sha1(wt_path, file_id)
2662
2936
if merge_modified.get(file_id) != wt_sha1:
2663
2937
# acquire the basis tree lazily to prevent the
2664
2938
# expense of accessing it when it's not needed ?
2666
2940
if basis_tree is None:
2667
2941
basis_tree = working_tree.basis_tree()
2668
2942
basis_tree.lock_read()
2669
if file_id in basis_tree:
2670
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2672
elif kind[1] is None and not versioned[1]:
2674
if kind[0] is not None:
2944
basis_path = basis_tree.id2path(file_id)
2945
except errors.NoSuchId:
2946
if target_kind is None and not target_versioned:
2949
if wt_sha1 != basis_tree.get_file_sha1(basis_path, file_id):
2951
if wt_kind is not None:
2675
2952
if not keep_content:
2676
2953
tt.delete_contents(trans_id)
2677
elif kind[1] is not None:
2678
parent_trans_id = tt.trans_id_file_id(parent[0])
2679
by_parent = tt.by_parent()
2680
backup_name = _get_backup_name(name[0], by_parent,
2681
parent_trans_id, tt)
2954
elif target_kind is not None:
2955
parent_trans_id = tt.trans_id_file_id(wt_parent)
2956
backup_name = tt._available_backup_name(
2957
wt_name, parent_trans_id)
2682
2958
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2959
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2960
if wt_versioned and target_versioned:
2685
2961
tt.unversion_file(trans_id)
2686
2962
tt.version_file(file_id, new_trans_id)
2687
2963
# New contents should have the same unix perms as old
2689
2965
mode_id = trans_id
2690
2966
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2967
if target_kind in ('directory', 'tree-reference'):
2692
2968
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2694
revision = target_tree.get_reference_revision(file_id,
2969
if target_kind == 'tree-reference':
2970
revision = target_tree.get_reference_revision(
2971
target_path, file_id)
2696
2972
tt.set_tree_reference(revision, trans_id)
2697
elif kind[1] == 'symlink':
2698
tt.create_symlink(target_tree.get_symlink_target(file_id),
2700
elif kind[1] == 'file':
2973
elif target_kind == 'symlink':
2974
tt.create_symlink(target_tree.get_symlink_target(
2975
target_path, file_id), trans_id)
2976
elif target_kind == 'file':
2701
2977
deferred_files.append((file_id, (trans_id, mode_id)))
2702
2978
if basis_tree is None:
2703
2979
basis_tree = working_tree.basis_tree()
2704
2980
basis_tree.lock_read()
2705
new_sha1 = target_tree.get_file_sha1(file_id)
2706
if (file_id in basis_tree and new_sha1 ==
2707
basis_tree.get_file_sha1(file_id)):
2981
new_sha1 = target_tree.get_file_sha1(target_path, file_id)
2983
basis_path = basis_tree.id2path(file_id)
2984
except errors.NoSuchId:
2986
if (basis_path is not None and
2987
new_sha1 == basis_tree.get_file_sha1(basis_path, file_id)):
2708
2988
if file_id in merge_modified:
2709
2989
del merge_modified[file_id]
2711
2991
merge_modified[file_id] = new_sha1
2713
2993
# preserve the execute bit when backing up
2714
if keep_content and executable[0] == executable[1]:
2715
tt.set_executability(executable[1], trans_id)
2716
elif kind[1] is not None:
2717
raise AssertionError(kind[1])
2718
if versioned == (False, True):
2994
if keep_content and wt_executable == target_executable:
2995
tt.set_executability(target_executable, trans_id)
2996
elif target_kind is not None:
2997
raise AssertionError(target_kind)
2998
if not wt_versioned and target_versioned:
2719
2999
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
3000
if wt_versioned and not target_versioned:
2721
3001
tt.unversion_file(trans_id)
2722
if (name[1] is not None and
2723
(name[0] != name[1] or parent[0] != parent[1])):
2724
if name[1] == '' and parent[1] is None:
3002
if (target_name is not None and
3003
(wt_name != target_name or wt_parent != target_parent)):
3004
if target_name == '' and target_parent is None:
2725
3005
parent_trans = ROOT_PARENT
2727
parent_trans = tt.trans_id_file_id(parent[1])
2728
if parent[0] is None and versioned[0]:
2729
tt.adjust_root_path(name[1], parent_trans)
3007
parent_trans = tt.trans_id_file_id(target_parent)
3008
if wt_parent is None and wt_versioned:
3009
tt.adjust_root_path(target_name, parent_trans)
2731
tt.adjust_path(name[1], parent_trans, trans_id)
2732
if executable[0] != executable[1] and kind[1] == "file":
2733
tt.set_executability(executable[1], trans_id)
3011
tt.adjust_path(target_name, parent_trans, trans_id)
3012
if wt_executable != target_executable and target_kind == "file":
3013
tt.set_executability(target_executable, trans_id)
2734
3014
if working_tree.supports_content_filtering():
2735
3015
for index, ((trans_id, mode_id), bytes) in enumerate(
2736
3016
target_tree.iter_files_bytes(deferred_files)):
2878
3177
modified_path = fp.get_path(conflict[2])
2879
3178
modified_id = tt.final_file_id(conflict[2])
2880
3179
if len(conflict) == 3:
2881
yield Conflict.factory(c_type, action=action, path=modified_path,
2882
file_id=modified_id)
3180
yield conflicts.Conflict.factory(
3181
c_type, action=action, path=modified_path, file_id=modified_id)
2885
3184
conflicting_path = fp.get_path(conflict[3])
2886
3185
conflicting_id = tt.final_file_id(conflict[3])
2887
yield Conflict.factory(c_type, action=action, path=modified_path,
2888
file_id=modified_id,
2889
conflict_path=conflicting_path,
2890
conflict_file_id=conflicting_id)
3186
yield conflicts.Conflict.factory(
3187
c_type, action=action, path=modified_path,
3188
file_id=modified_id,
3189
conflict_path=conflicting_path,
3190
conflict_file_id=conflicting_id)
2893
3193
class _FileMover(object):
2932
3237
# after apply_deletions, don't reuse _FileMover
2933
3238
past_renames = None
2934
3239
pending_deletions = None
3242
def link_tree(target_tree, source_tree):
3243
"""Where possible, hard-link files in a tree to those in another tree.
3245
:param target_tree: Tree to change
3246
:param source_tree: Tree to hard-link from
3248
tt = TreeTransform(target_tree)
3250
for (file_id, paths, changed_content, versioned, parent, name, kind,
3251
executable) in target_tree.iter_changes(source_tree,
3252
include_unchanged=True):
3255
if kind != ('file', 'file'):
3257
if executable[0] != executable[1]:
3259
trans_id = tt.trans_id_tree_file_id(file_id)
3260
tt.delete_contents(trans_id)
3261
tt.create_hardlink(source_tree.id2abspath(file_id), trans_id)
added
removed
breezy/transform.py
