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(), """
31
lazy_import.lazy_import(globals(), """
24
32
from bzrlib import (
33
42
revision as _mod_revision,
46
from bzrlib.i18n import gettext
37
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
48
from bzrlib.errors import (DuplicateKey, MalformedTransform,
38
49
ReusingTransform, CantMoveRoot,
39
ExistingLimbo, ImmortalLimbo, NoFinalPath,
50
ImmortalLimbo, NoFinalPath,
40
51
UnableCreateSymlink)
41
52
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
42
from bzrlib.inventory import InventoryEntry
43
53
from bzrlib.osutils import (
53
61
from bzrlib.progress import ProgressPhase
54
62
from bzrlib.symbol_versioning import (
58
from bzrlib.trace import mutter, warning
59
from bzrlib import tree
61
import bzrlib.urlutils as urlutils
64
69
ROOT_PARENT = "root-parent"
67
71
def unique_add(map, key, value):
69
73
raise DuplicateKey(key=key)
73
78
class _TransformResults(object):
74
79
def __init__(self, modified_paths, rename_count):
75
80
object.__init__(self)
380
394
return sorted(FinalPaths(self).get_paths(new_ids))
382
396
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,
397
"""Determine which trans_ids need new Inventory entries.
399
An new entry is needed when anything that would be reflected by an
400
inventory entry changes, including file name, file_id, parent file_id,
401
file kind, and the execute bit.
403
Some care is taken to return entries with real changes, not cases
404
where the value is deleted and then restored to its original value,
405
but some actually unchanged values may be returned.
407
:returns: A list of (path, trans_id) for all items requiring an
408
inventory change. Ordered by path.
411
# Find entries whose file_ids are new (or changed).
412
new_file_id = set(t for t in self._new_id
413
if self._new_id[t] != self.tree_file_id(t))
414
for id_set in [self._new_name, self._new_parent, new_file_id,
386
415
self._new_executability]:
387
new_ids.update(id_set)
416
changed_ids.update(id_set)
417
# removing implies a kind change
388
418
changed_kind = set(self._removed_contents)
389
420
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))
421
# Ignore entries that are already known to have changed.
422
changed_kind.difference_update(changed_ids)
423
# to keep only the truly changed ones
424
changed_kind = (t for t in changed_kind
425
if self.tree_kind(t) != self.final_kind(t))
426
# all kind changes will alter the inventory
427
changed_ids.update(changed_kind)
428
# To find entries with changed parent_ids, find parents which existed,
429
# but changed file_id.
430
changed_file_id = set(t for t in new_file_id if t in self._removed_id)
431
# Now add all their children to the set.
432
for parent_trans_id in new_file_id:
433
changed_ids.update(self.iter_tree_children(parent_trans_id))
434
return sorted(FinalPaths(self).get_paths(changed_ids))
396
436
def final_kind(self, trans_id):
397
437
"""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)
439
:return: None if the file does not exist/has no contents. (It is
440
conceivable that a path would be created without the corresponding
441
contents insertion command)
403
443
if trans_id in self._new_contents:
404
444
return self._new_contents[trans_id]
405
445
elif trans_id in self._removed_contents:
406
raise NoSuchFile(None)
408
448
return self.tree_kind(trans_id)
531
571
# ensure that all children are registered with the transaction
532
572
list(self.iter_tree_children(parent_id))
574
@deprecated_method(deprecated_in((2, 3, 0)))
534
575
def has_named_child(self, by_parent, parent_id, name):
536
children = by_parent[parent_id]
539
for child in children:
576
return self._has_named_child(
577
name, parent_id, known_children=by_parent.get(parent_id, []))
579
def _has_named_child(self, name, parent_id, known_children):
580
"""Does a parent already have a name child.
582
:param name: The searched for name.
584
:param parent_id: The parent for which the check is made.
586
:param known_children: The already known children. This should have
587
been recently obtained from `self.by_parent.get(parent_id)`
588
(or will be if None is passed).
590
if known_children is None:
591
known_children = self.by_parent().get(parent_id, [])
592
for child in known_children:
540
593
if self.final_name(child) == name:
543
path = self._tree_id_paths[parent_id]
595
parent_path = self._tree_id_paths.get(parent_id, None)
596
if parent_path is None:
597
# No parent... no children
546
childpath = joinpath(path, name)
547
child_id = self._tree_path_ids.get(childpath)
599
child_path = joinpath(parent_path, name)
600
child_id = self._tree_path_ids.get(child_path, None)
548
601
if child_id is None:
549
return lexists(self._tree.abspath(childpath))
602
# Not known by the tree transform yet, check the filesystem
603
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?
605
raise AssertionError('child_id is missing: %s, %s, %s'
606
% (name, parent_id, child_id))
608
def _available_backup_name(self, name, target_id):
609
"""Find an available backup name.
611
:param name: The basename of the file.
613
:param target_id: The directory trans_id where the backup should
616
known_children = self.by_parent().get(target_id, [])
617
return osutils.available_backup_name(
619
lambda base: self._has_named_child(
620
base, target_id, known_children))
559
622
def _parent_loops(self):
560
623
"""No entry should be its own ancestor"""
644
700
if (self._new_name, self._new_parent) == ({}, {}):
646
702
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]
704
for child_tid in children:
705
name = self.final_name(child_tid)
707
# Keep children only if they still exist in the end
708
if not self._case_sensitive_target:
710
name_ids.append((name, child_tid))
652
713
last_trans_id = None
653
714
for name, trans_id in name_ids:
655
kind = self.final_kind(trans_id)
715
kind = self.final_kind(trans_id)
658
716
file_id = self.final_file_id(trans_id)
659
717
if kind is None and file_id is None:
681
739
def _parent_type_conflicts(self, by_parent):
682
"""parents must have directory 'contents'."""
740
"""Children must have a directory parent"""
684
742
for parent_id, children in by_parent.iteritems():
685
743
if parent_id is ROOT_PARENT:
687
if not self._any_contents(children):
746
for child_id in children:
747
if self.final_kind(child_id) is not None:
689
for child in children:
691
self.final_kind(child)
695
kind = self.final_kind(parent_id)
752
# There is at least a child, so we need an existing directory to
754
kind = self.final_kind(parent_id)
756
# The directory will be deleted
699
757
conflicts.append(('missing parent', parent_id))
700
758
elif kind != "directory":
759
# Meh, we need a *directory* to put something in it
701
760
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
763
def _set_executability(self, path, trans_id):
715
764
"""Set the executability of versioned files """
716
if supports_executable():
765
if self._tree._supports_executable():
717
766
new_executability = self._new_executability[trans_id]
718
767
abspath = self._tree.abspath(path)
719
768
current_mode = os.stat(abspath).st_mode
780
829
self.create_symlink(target, trans_id)
832
def new_orphan(self, trans_id, parent_id):
833
"""Schedule an item to be orphaned.
835
When a directory is about to be removed, its children, if they are not
836
versioned are moved out of the way: they don't have a parent anymore.
838
:param trans_id: The trans_id of the existing item.
839
:param parent_id: The parent trans_id of the item.
841
raise NotImplementedError(self.new_orphan)
843
def _get_potential_orphans(self, dir_id):
844
"""Find the potential orphans in a directory.
846
A directory can't be safely deleted if there are versioned files in it.
847
If all the contained files are unversioned then they can be orphaned.
849
The 'None' return value means that the directory contains at least one
850
versioned file and should not be deleted.
852
:param dir_id: The directory trans id.
854
:return: A list of the orphan trans ids or None if at least one
855
versioned file is present.
858
# Find the potential orphans, stop if one item should be kept
859
for child_tid in self.by_parent()[dir_id]:
860
if child_tid in self._removed_contents:
861
# The child is removed as part of the transform. Since it was
862
# versioned before, it's not an orphan
864
elif self.final_file_id(child_tid) is None:
865
# The child is not versioned
866
orphans.append(child_tid)
868
# We have a versioned file here, searching for orphans is
783
874
def _affected_ids(self):
784
875
"""Return the set of transform ids affected by the transform"""
785
876
trans_ids = set(self._removed_id)
928
1016
return _PreviewTree(self)
930
def commit(self, branch, message, merge_parents=None, strict=False):
1018
def commit(self, branch, message, merge_parents=None, strict=False,
1019
timestamp=None, timezone=None, committer=None, authors=None,
1020
revprops=None, revision_id=None):
931
1021
"""Commit the result of this TreeTransform to a branch.
933
1023
:param branch: The branch to commit to.
934
1024
:param message: The message to attach to the commit.
935
:param merge_parents: Additional parents specified by pending merges.
1025
:param merge_parents: Additional parent revision-ids specified by
1027
:param strict: If True, abort the commit if there are unversioned
1029
:param timestamp: if not None, seconds-since-epoch for the time and
1030
date. (May be a float.)
1031
:param timezone: Optional timezone for timestamp, as an offset in
1033
:param committer: Optional committer in email-id format.
1034
(e.g. "J Random Hacker <jrandom@example.com>")
1035
:param authors: Optional list of authors in email-id format.
1036
:param revprops: Optional dictionary of revision properties.
1037
:param revision_id: Optional revision id. (Specifying a revision-id
1038
may reduce performance for some non-native formats.)
936
1039
:return: The revision_id of the revision committed.
938
1041
self._check_malformed()
1173
1298
descendants.update(self._limbo_descendants(descendant))
1174
1299
return descendants
1176
def create_file(self, contents, trans_id, mode_id=None):
1301
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1302
"""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.
1306
:param contents: an iterator of strings, all of which will be written
1307
to the target destination.
1308
:param trans_id: TreeTransform handle
1309
:param mode_id: If not None, force the mode of the target file to match
1310
the mode of the object referenced by mode_id.
1311
Otherwise, we will try to preserve mode bits of an existing file.
1312
:param sha1: If the sha1 of this content is already known, pass it in.
1313
We can use it to prevent future sha1 computations.
1187
1315
name = self._limbo_name(trans_id)
1188
1316
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.
1318
unique_add(self._new_contents, trans_id, 'file')
1199
1319
f.writelines(contents)
1202
1322
self._set_mtime(name)
1203
1323
self._set_mode(trans_id, mode_id, S_ISREG)
1324
# It is unfortunate we have to use lstat instead of fstat, but we just
1325
# used utime and chmod on the file, so we need the accurate final
1327
if sha1 is not None:
1328
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1205
1330
def _read_file_chunks(self, trans_id):
1206
1331
cur_file = open(self._limbo_name(trans_id), 'rb')
1274
1401
del self._limbo_children_names[trans_id]
1275
1402
delete_any(self._limbo_name(trans_id))
1404
def new_orphan(self, trans_id, parent_id):
1405
# FIXME: There is no tree config, so we use the branch one (it's weird
1406
# to define it this way as orphaning can only occur in a working tree,
1407
# but that's all we have (for now). It will find the option in
1408
# locations.conf or bazaar.conf though) -- vila 20100916
1409
conf = self._tree.branch.get_config()
1410
conf_var_name = 'bzr.transform.orphan_policy'
1411
orphan_policy = conf.get_user_option(conf_var_name)
1412
default_policy = orphaning_registry.default_key
1413
if orphan_policy is None:
1414
orphan_policy = default_policy
1415
if orphan_policy not in orphaning_registry:
1416
trace.warning('%s (from %s) is not a known policy, defaulting '
1417
'to %s' % (orphan_policy, conf_var_name, default_policy))
1418
orphan_policy = default_policy
1419
handle_orphan = orphaning_registry.get(orphan_policy)
1420
handle_orphan(self, trans_id, parent_id)
1423
class OrphaningError(errors.BzrError):
1425
# Only bugs could lead to such exception being seen by the user
1426
internal_error = True
1427
_fmt = "Error while orphaning %s in %s directory"
1429
def __init__(self, orphan, parent):
1430
errors.BzrError.__init__(self)
1431
self.orphan = orphan
1432
self.parent = parent
1435
class OrphaningForbidden(OrphaningError):
1437
_fmt = "Policy: %s doesn't allow creating orphans."
1439
def __init__(self, policy):
1440
errors.BzrError.__init__(self)
1441
self.policy = policy
1444
def move_orphan(tt, orphan_id, parent_id):
1445
"""See TreeTransformBase.new_orphan.
1447
This creates a new orphan in the `bzr-orphans` dir at the root of the
1450
:param tt: The TreeTransform orphaning `trans_id`.
1452
:param orphan_id: The trans id that should be orphaned.
1454
:param parent_id: The orphan parent trans id.
1456
# Add the orphan dir if it doesn't exist
1457
orphan_dir_basename = 'bzr-orphans'
1458
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1459
if tt.final_kind(od_id) is None:
1460
tt.create_directory(od_id)
1461
parent_path = tt._tree_id_paths[parent_id]
1462
# Find a name that doesn't exist yet in the orphan dir
1463
actual_name = tt.final_name(orphan_id)
1464
new_name = tt._available_backup_name(actual_name, od_id)
1465
tt.adjust_path(new_name, od_id, orphan_id)
1466
trace.warning('%s has been orphaned in %s'
1467
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1470
def refuse_orphan(tt, orphan_id, parent_id):
1471
"""See TreeTransformBase.new_orphan.
1473
This refuses to create orphan, letting the caller handle the conflict.
1475
raise OrphaningForbidden('never')
1478
orphaning_registry = registry.Registry()
1479
orphaning_registry.register(
1480
'conflict', refuse_orphan,
1481
'Leave orphans in place and create a conflict on the directory.')
1482
orphaning_registry.register(
1483
'move', move_orphan,
1484
'Move orphans into the bzr-orphans directory.')
1485
orphaning_registry._set_default_key('conflict')
1278
1488
class TreeTransform(DiskTreeTransform):
1279
1489
"""Represent a tree transformation.
1623
1828
tree_paths = list(self._tree_path_ids.iteritems())
1624
1829
tree_paths.sort(reverse=True)
1625
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1830
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))
1832
for num, (path, trans_id) in enumerate(tree_paths):
1833
# do not attempt to move root into a subdirectory of itself.
1836
child_pb.update(gettext('removing file'), num, len(tree_paths))
1630
1837
full_path = self._tree.abspath(path)
1631
1838
if trans_id in self._removed_contents:
1632
1839
delete_path = os.path.join(self._deletiondir, trans_id)
1657
1864
modified_paths = []
1658
1865
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()
1867
child_pb = ui.ui_factory.nested_progress_bar()
1662
1869
for num, (path, trans_id) in enumerate(new_paths):
1663
1870
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1871
child_pb.update(gettext('adding file'), num, len(new_paths))
1665
1872
full_path = self._tree.abspath(path)
1666
1873
if trans_id in self._needs_rename:
1668
1875
mover.rename(self._limbo_name(trans_id), full_path)
1876
except errors.TransformRenameFailed, e:
1670
1877
# We may be renaming a dangling inventory id
1671
1878
if e.errno != errno.ENOENT:
1674
1881
self.rename_count += 1
1882
# TODO: if trans_id in self._observed_sha1s, we should
1883
# re-stat the final target, since ctime will be
1884
# updated by the change.
1675
1885
if (trans_id in self._new_contents or
1676
1886
self.path_changed(trans_id)):
1677
1887
if trans_id in self._new_contents:
1678
1888
modified_paths.append(full_path)
1679
1889
if trans_id in self._new_executability:
1680
1890
self._set_executability(path, trans_id)
1891
if trans_id in self._observed_sha1s:
1892
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1893
st = osutils.lstat(full_path)
1894
self._observed_sha1s[trans_id] = (o_sha1, st)
1682
1896
child_pb.finished()
1897
for path, trans_id in new_paths:
1898
# new_paths includes stuff like workingtree conflicts. Only the
1899
# stuff in new_contents actually comes from limbo.
1900
if trans_id in self._limbo_files:
1901
del self._limbo_files[trans_id]
1683
1902
self._new_contents.clear()
1684
1903
return modified_paths
1905
def _apply_observed_sha1s(self):
1906
"""After we have finished renaming everything, update observed sha1s
1908
This has to be done after self._tree.apply_inventory_delta, otherwise
1909
it doesn't know anything about the files we are updating. Also, we want
1910
to do this as late as possible, so that most entries end up cached.
1912
# TODO: this doesn't update the stat information for directories. So
1913
# the first 'bzr status' will still need to rewrite
1914
# .bzr/checkout/dirstate. However, we at least don't need to
1915
# re-read all of the files.
1916
# TODO: If the operation took a while, we could do a time.sleep(3) here
1917
# to allow the clock to tick over and ensure we won't have any
1918
# problems. (we could observe start time, and finish time, and if
1919
# it is less than eg 10% overhead, add a sleep call.)
1920
paths = FinalPaths(self)
1921
for trans_id, observed in self._observed_sha1s.iteritems():
1922
path = paths.get_path(trans_id)
1923
# We could get the file_id, but dirstate prefers to use the path
1924
# anyway, and it is 'cheaper' to determine.
1925
# file_id = self._new_id[trans_id]
1926
self._tree._observed_sha1(None, path, observed)
1687
1929
class TransformPreview(DiskTreeTransform):
1688
1930
"""A TreeTransform for generating preview trees.
1767
2014
yield self._get_repository().revision_tree(revision_id)
1769
2016
def _get_file_revision(self, file_id, vf, tree_revision):
1770
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2017
parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
1771
2018
self._iter_parent_trees()]
1772
2019
vf.add_lines((file_id, tree_revision), parent_keys,
1773
self.get_file(file_id).readlines())
2020
self.get_file_lines(file_id))
1774
2021
repo = self._get_repository()
1775
2022
base_vf = repo.texts
1776
2023
if base_vf not in vf.fallback_versionedfiles:
1777
2024
vf.fallback_versionedfiles.append(base_vf)
1778
2025
return tree_revision
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2027
def _stat_limbo_file(self, file_id=None, trans_id=None):
2028
if trans_id is None:
2029
trans_id = self._transform.trans_id_file_id(file_id)
1782
2030
name = self._transform._limbo_name(trans_id)
1783
2031
return os.lstat(name)
1998
2254
def get_file_size(self, file_id):
1999
2255
"""See Tree.get_file_size"""
2256
trans_id = self._transform.trans_id_file_id(file_id)
2257
kind = self._transform.final_kind(trans_id)
2260
if trans_id in self._transform._new_contents:
2261
return self._stat_limbo_file(trans_id=trans_id).st_size
2000
2262
if self.kind(file_id) == 'file':
2001
2263
return self._transform._tree.get_file_size(file_id)
2267
def get_file_verifier(self, file_id, path=None, stat_value=None):
2268
trans_id = self._transform.trans_id_file_id(file_id)
2269
kind = self._transform._new_contents.get(trans_id)
2271
return self._transform._tree.get_file_verifier(file_id)
2273
fileobj = self.get_file(file_id)
2275
return ("SHA1", sha_file(fileobj))
2005
2279
def get_file_sha1(self, file_id, path=None, stat_value=None):
2006
2280
trans_id = self._transform.trans_id_file_id(file_id)
2007
2281
kind = self._transform._new_contents.get(trans_id)
2289
2569
pp.next_phase()
2290
2570
file_trans_id[wt.get_root_id()] = \
2291
2571
tt.trans_id_tree_file_id(wt.get_root_id())
2292
pb = bzrlib.ui.ui_factory.nested_progress_bar()
2572
pb = ui.ui_factory.nested_progress_bar()
2294
2574
deferred_contents = []
2296
total = len(tree.inventory)
2576
total = len(tree.all_file_ids())
2297
2577
if delta_from_tree:
2298
2578
precomputed_delta = []
2300
2580
precomputed_delta = None
2581
# Check if tree inventory has content. If so, we populate
2582
# existing_files with the directory content. If there are no
2583
# entries we skip populating existing_files as its not used.
2584
# This improves performance and unncessary work on large
2585
# directory trees. (#501307)
2587
existing_files = set()
2588
for dir, files in wt.walkdirs():
2589
existing_files.update(f[0] for f in files)
2301
2590
for num, (tree_path, entry) in \
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2591
enumerate(tree.iter_entries_by_dir()):
2592
pb.update(gettext("Building tree"), num - len(deferred_contents), total)
2304
2593
if entry.parent_id is None:
2306
2595
reparent = False
2384
2673
unchanged = dict(unchanged)
2385
2674
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2676
for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2388
2677
accelerator_path = unchanged.get(file_id)
2389
2678
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2679
new_desired_files.append((file_id,
2680
(trans_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2682
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2684
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2411
2701
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2702
for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2413
2703
tree.iter_files_bytes(new_desired_files)):
2414
2704
if wt.supports_content_filtering():
2415
2705
filters = wt._content_filter_stack(tree_path)
2416
2706
contents = filtered_output_bytes(contents, filters,
2417
2707
ContentFilterContext(tree_path, tree))
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2708
tt.create_file(contents, trans_id, sha1=text_sha1)
2709
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2712
def _reparent_children(tt, old_parent, new_parent):
2423
2713
for child in tt.iter_tree_children(old_parent):
2424
2714
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2717
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2718
by_parent = tt.by_parent()
2428
2719
for child in by_parent[old_parent]:
2429
2720
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2721
return by_parent[old_parent]
2432
2724
def _content_match(tree, entry, file_id, kind, target_path):
2433
2725
if entry.kind != kind:
2435
2727
if entry.kind == "directory":
2437
2729
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2730
f = file(target_path, 'rb')
2732
if tree.get_file_text(file_id) == f.read():
2440
2736
elif entry.kind == "symlink":
2441
2737
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2494
2790
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
2793
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2514
2794
filter_tree_path=None):
2515
2795
"""Create new file contents according to tree contents.
2562
2844
return 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
2847
def revert(working_tree, target_tree, filenames, backups=False,
2593
2848
pb=None, change_reporter=None):
2594
2849
"""Revert a working tree's contents to those of a target tree."""
2651
2910
deferred_files = []
2652
2911
for id_num, (file_id, path, changed_content, versioned, parent, name,
2653
2912
kind, executable) in enumerate(change_list):
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2913
target_path, wt_path = path
2914
target_versioned, wt_versioned = versioned
2915
target_parent, wt_parent = parent
2916
target_name, wt_name = name
2917
target_kind, wt_kind = kind
2918
target_executable, wt_executable = executable
2919
if skip_root and wt_parent is None:
2656
2921
trans_id = tt.trans_id_file_id(file_id)
2658
2923
if changed_content:
2659
2924
keep_content = False
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2925
if wt_kind == 'file' and (backups or target_kind is None):
2661
2926
wt_sha1 = working_tree.get_file_sha1(file_id)
2662
2927
if merge_modified.get(file_id) != wt_sha1:
2663
2928
# acquire the basis tree lazily to prevent the
2666
2931
if basis_tree is None:
2667
2932
basis_tree = working_tree.basis_tree()
2668
2933
basis_tree.lock_read()
2669
if file_id in basis_tree:
2934
if basis_tree.has_id(file_id):
2670
2935
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2671
2936
keep_content = True
2672
elif kind[1] is None and not versioned[1]:
2937
elif target_kind is None and not target_versioned:
2673
2938
keep_content = True
2674
if kind[0] is not None:
2939
if wt_kind is not None:
2675
2940
if not keep_content:
2676
2941
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)
2942
elif target_kind is not None:
2943
parent_trans_id = tt.trans_id_file_id(wt_parent)
2944
backup_name = tt._available_backup_name(
2945
wt_name, parent_trans_id)
2682
2946
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):
2947
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2948
if wt_versioned and target_versioned:
2685
2949
tt.unversion_file(trans_id)
2686
2950
tt.version_file(file_id, new_trans_id)
2687
2951
# New contents should have the same unix perms as old
2689
2953
mode_id = trans_id
2690
2954
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2955
if target_kind in ('directory', 'tree-reference'):
2692
2956
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2957
if target_kind == 'tree-reference':
2694
2958
revision = target_tree.get_reference_revision(file_id,
2696
2960
tt.set_tree_reference(revision, trans_id)
2697
elif kind[1] == 'symlink':
2961
elif target_kind == 'symlink':
2698
2962
tt.create_symlink(target_tree.get_symlink_target(file_id),
2700
elif kind[1] == 'file':
2964
elif target_kind == 'file':
2701
2965
deferred_files.append((file_id, (trans_id, mode_id)))
2702
2966
if basis_tree is None:
2703
2967
basis_tree = working_tree.basis_tree()
2704
2968
basis_tree.lock_read()
2705
2969
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)):
2970
if (basis_tree.has_id(file_id) and
2971
new_sha1 == basis_tree.get_file_sha1(file_id)):
2708
2972
if file_id in merge_modified:
2709
2973
del merge_modified[file_id]
2711
2975
merge_modified[file_id] = new_sha1
2713
2977
# 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):
2978
if keep_content and wt_executable == target_executable:
2979
tt.set_executability(target_executable, trans_id)
2980
elif target_kind is not None:
2981
raise AssertionError(target_kind)
2982
if not wt_versioned and target_versioned:
2719
2983
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
2984
if wt_versioned and not target_versioned:
2721
2985
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:
2986
if (target_name is not None and
2987
(wt_name != target_name or wt_parent != target_parent)):
2988
if target_name == '' and target_parent is None:
2725
2989
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)
2991
parent_trans = tt.trans_id_file_id(target_parent)
2992
if wt_parent is None and wt_versioned:
2993
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)
2995
tt.adjust_path(target_name, parent_trans, trans_id)
2996
if wt_executable != target_executable and target_kind == "file":
2997
tt.set_executability(target_executable, trans_id)
2734
2998
if working_tree.supports_content_filtering():
2735
2999
for index, ((trans_id, mode_id), bytes) in enumerate(
2736
3000
target_tree.iter_files_bytes(deferred_files)):
2808
3072
elif c_type == 'missing parent':
2809
3073
trans_id = conflict[1]
2811
tt.cancel_deletion(trans_id)
2812
new_conflicts.add(('deleting parent', 'Not deleting',
3074
if trans_id in tt._removed_contents:
3075
cancel_deletion = True
3076
orphans = tt._get_potential_orphans(trans_id)
3078
cancel_deletion = False
3079
# All children are orphans
3082
tt.new_orphan(o, trans_id)
3083
except OrphaningError:
3084
# Something bad happened so we cancel the directory
3085
# deletion which will leave it in place with a
3086
# conflict. The user can deal with it from there.
3087
# Note that this also catch the case where we don't
3088
# want to create orphans and leave the directory in
3090
cancel_deletion = True
3093
# Cancel the directory deletion
3094
tt.cancel_deletion(trans_id)
3095
new_conflicts.add(('deleting parent', 'Not deleting',
2817
3100
tt.final_name(trans_id)
2878
3161
modified_path = fp.get_path(conflict[2])
2879
3162
modified_id = tt.final_file_id(conflict[2])
2880
3163
if len(conflict) == 3:
2881
yield Conflict.factory(c_type, action=action, path=modified_path,
2882
file_id=modified_id)
3164
yield conflicts.Conflict.factory(
3165
c_type, action=action, path=modified_path, file_id=modified_id)
2885
3168
conflicting_path = fp.get_path(conflict[3])
2886
3169
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)
3170
yield conflicts.Conflict.factory(
3171
c_type, action=action, path=modified_path,
3172
file_id=modified_id,
3173
conflict_path=conflicting_path,
3174
conflict_file_id=conflicting_id)
2893
3177
class _FileMover(object):