19
19
from stat import S_ISREG, S_IEXEC
29
lazy_import.lazy_import(globals(), """
21
from bzrlib.lazy_import import lazy_import
22
lazy_import(globals(), """
30
23
from bzrlib import (
41
32
revision as _mod_revision,
46
35
from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
47
ReusingTransform, CantMoveRoot,
36
ReusingTransform, NotVersionedError, CantMoveRoot,
48
37
ExistingLimbo, ImmortalLimbo, NoFinalPath,
49
38
UnableCreateSymlink)
50
39
from bzrlib.filters import filtered_output_bytes, ContentFilterContext
40
from bzrlib.inventory import InventoryEntry
51
41
from bzrlib.osutils import (
58
49
supports_executable,
60
from bzrlib.progress import ProgressPhase
51
from bzrlib.progress import DummyProgress, ProgressPhase
61
52
from bzrlib.symbol_versioning import (
56
from bzrlib.trace import mutter, warning
57
from bzrlib import tree
59
import bzrlib.urlutils as urlutils
68
62
ROOT_PARENT = "root-parent"
70
65
def unique_add(map, key, value):
72
67
raise DuplicateKey(key=key)
77
71
class _TransformResults(object):
78
72
def __init__(self, modified_paths, rename_count):
79
73
object.__init__(self)
393
378
return sorted(FinalPaths(self).get_paths(new_ids))
395
380
def _inventory_altered(self):
396
"""Determine which trans_ids need new Inventory entries.
398
An new entry is needed when anything that would be reflected by an
399
inventory entry changes, including file name, file_id, parent file_id,
400
file kind, and the execute bit.
402
Some care is taken to return entries with real changes, not cases
403
where the value is deleted and then restored to its original value,
404
but some actually unchanged values may be returned.
406
:returns: A list of (path, trans_id) for all items requiring an
407
inventory change. Ordered by path.
410
# Find entries whose file_ids are new (or changed).
411
new_file_id = set(t for t in self._new_id
412
if self._new_id[t] != self.tree_file_id(t))
413
for id_set in [self._new_name, self._new_parent, new_file_id,
381
"""Get the trans_ids and paths of files needing new inv entries."""
383
for id_set in [self._new_name, self._new_parent, self._new_id,
414
384
self._new_executability]:
415
changed_ids.update(id_set)
416
# removing implies a kind change
385
new_ids.update(id_set)
417
386
changed_kind = set(self._removed_contents)
419
387
changed_kind.intersection_update(self._new_contents)
420
# Ignore entries that are already known to have changed.
421
changed_kind.difference_update(changed_ids)
422
# to keep only the truly changed ones
423
changed_kind = (t for t in changed_kind
424
if self.tree_kind(t) != self.final_kind(t))
425
# all kind changes will alter the inventory
426
changed_ids.update(changed_kind)
427
# To find entries with changed parent_ids, find parents which existed,
428
# but changed file_id.
429
changed_file_id = set(t for t in new_file_id if t in self._removed_id)
430
# Now add all their children to the set.
431
for parent_trans_id in new_file_id:
432
changed_ids.update(self.iter_tree_children(parent_trans_id))
433
return sorted(FinalPaths(self).get_paths(changed_ids))
388
changed_kind.difference_update(new_ids)
389
changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
391
new_ids.update(changed_kind)
392
return sorted(FinalPaths(self).get_paths(new_ids))
435
394
def final_kind(self, trans_id):
436
395
"""Determine the final file kind, after any changes applied.
438
:return: None if the file does not exist/has no contents. (It is
439
conceivable that a path would be created without the corresponding
440
contents insertion command)
397
Raises NoSuchFile if the file does not exist/has no contents.
398
(It is conceivable that a path would be created without the
399
corresponding contents insertion command)
442
401
if trans_id in self._new_contents:
443
402
return self._new_contents[trans_id]
444
403
elif trans_id in self._removed_contents:
404
raise NoSuchFile(None)
447
406
return self.tree_kind(trans_id)
572
529
# ensure that all children are registered with the transaction
573
530
list(self.iter_tree_children(parent_id))
575
@deprecated_method(deprecated_in((2, 3, 0)))
576
532
def has_named_child(self, by_parent, parent_id, name):
577
return self._has_named_child(
578
name, parent_id, known_children=by_parent.get(parent_id, []))
580
def _has_named_child(self, name, parent_id, known_children):
581
"""Does a parent already have a name child.
583
:param name: The searched for name.
585
:param parent_id: The parent for which the check is made.
587
:param known_children: The already known children. This should have
588
been recently obtained from `self.by_parent.get(parent_id)`
589
(or will be if None is passed).
591
if known_children is None:
592
known_children = self.by_parent().get(parent_id, [])
593
for child in known_children:
534
children = by_parent[parent_id]
537
for child in children:
594
538
if self.final_name(child) == name:
596
parent_path = self._tree_id_paths.get(parent_id, None)
597
if parent_path is None:
598
# No parent... no children
541
path = self._tree_id_paths[parent_id]
600
child_path = joinpath(parent_path, name)
601
child_id = self._tree_path_ids.get(child_path, None)
544
childpath = joinpath(path, name)
545
child_id = self._tree_path_ids.get(childpath)
602
546
if child_id is None:
603
# Not known by the tree transform yet, check the filesystem
604
return osutils.lexists(self._tree.abspath(child_path))
547
return lexists(self._tree.abspath(childpath))
606
raise AssertionError('child_id is missing: %s, %s, %s'
607
% (name, parent_id, child_id))
609
def _available_backup_name(self, name, target_id):
610
"""Find an available backup name.
612
:param name: The basename of the file.
614
:param target_id: The directory trans_id where the backup should
617
known_children = self.by_parent().get(target_id, [])
618
return osutils.available_backup_name(
620
lambda base: self._has_named_child(
621
base, target_id, known_children))
549
if self.final_parent(child_id) != parent_id:
551
if child_id in self._removed_contents:
552
# XXX What about dangling file-ids?
623
557
def _parent_loops(self):
624
558
"""No entry should be its own ancestor"""
701
642
if (self._new_name, self._new_parent) == ({}, {}):
703
644
for children in by_parent.itervalues():
705
for child_tid in children:
706
name = self.final_name(child_tid)
708
# Keep children only if they still exist in the end
709
if not self._case_sensitive_target:
711
name_ids.append((name, child_tid))
645
name_ids = [(self.final_name(t), t) for t in children]
646
if not self._case_sensitive_target:
647
name_ids = [(n.lower(), t) for n, t in name_ids]
714
650
last_trans_id = None
715
651
for name, trans_id in name_ids:
716
kind = self.final_kind(trans_id)
653
kind = self.final_kind(trans_id)
717
656
file_id = self.final_file_id(trans_id)
718
657
if kind is None and file_id is None:
740
679
def _parent_type_conflicts(self, by_parent):
741
"""Children must have a directory parent"""
680
"""parents must have directory 'contents'."""
743
682
for parent_id, children in by_parent.iteritems():
744
683
if parent_id is ROOT_PARENT:
747
for child_id in children:
748
if self.final_kind(child_id) is not None:
685
if not self._any_contents(children):
753
# There is at least a child, so we need an existing directory to
755
kind = self.final_kind(parent_id)
687
for child in children:
689
self.final_kind(child)
693
kind = self.final_kind(parent_id)
757
# The directory will be deleted
758
697
conflicts.append(('missing parent', parent_id))
759
698
elif kind != "directory":
760
# Meh, we need a *directory* to put something in it
761
699
conflicts.append(('non-directory parent', parent_id))
702
def _any_contents(self, trans_ids):
703
"""Return true if any of the trans_ids, will have contents."""
704
for trans_id in trans_ids:
706
kind = self.final_kind(trans_id)
764
712
def _set_executability(self, path, trans_id):
765
713
"""Set the executability of versioned files """
766
714
if supports_executable():
830
778
self.create_symlink(target, trans_id)
833
def new_orphan(self, trans_id, parent_id):
834
"""Schedule an item to be orphaned.
836
When a directory is about to be removed, its children, if they are not
837
versioned are moved out of the way: they don't have a parent anymore.
839
:param trans_id: The trans_id of the existing item.
840
:param parent_id: The parent trans_id of the item.
842
raise NotImplementedError(self.new_orphan)
844
def _get_potential_orphans(self, dir_id):
845
"""Find the potential orphans in a directory.
847
A directory can't be safely deleted if there are versioned files in it.
848
If all the contained files are unversioned then they can be orphaned.
850
The 'None' return value means that the directory contains at least one
851
versioned file and should not be deleted.
853
:param dir_id: The directory trans id.
855
:return: A list of the orphan trans ids or None if at least one
856
versioned file is present.
859
# Find the potential orphans, stop if one item should be kept
860
for child_tid in self.by_parent()[dir_id]:
861
if child_tid in self._removed_contents:
862
# The child is removed as part of the transform. Since it was
863
# versioned before, it's not an orphan
865
elif self.final_file_id(child_tid) is None:
866
# The child is not versioned
867
orphans.append(child_tid)
869
# We have a versioned file here, searching for orphans is
875
781
def _affected_ids(self):
876
782
"""Return the set of transform ids affected by the transform"""
877
783
trans_ids = set(self._removed_id)
1017
926
return _PreviewTree(self)
1019
def commit(self, branch, message, merge_parents=None, strict=False,
1020
timestamp=None, timezone=None, committer=None, authors=None,
1021
revprops=None, revision_id=None):
928
def commit(self, branch, message, merge_parents=None, strict=False):
1022
929
"""Commit the result of this TreeTransform to a branch.
1024
931
:param branch: The branch to commit to.
1025
932
:param message: The message to attach to the commit.
1026
:param merge_parents: Additional parent revision-ids specified by
1028
:param strict: If True, abort the commit if there are unversioned
1030
:param timestamp: if not None, seconds-since-epoch for the time and
1031
date. (May be a float.)
1032
:param timezone: Optional timezone for timestamp, as an offset in
1034
:param committer: Optional committer in email-id format.
1035
(e.g. "J Random Hacker <jrandom@example.com>")
1036
:param authors: Optional list of authors in email-id format.
1037
:param revprops: Optional dictionary of revision properties.
1038
:param revision_id: Optional revision id. (Specifying a revision-id
1039
may reduce performance for some non-native formats.)
933
:param merge_parents: Additional parents specified by pending merges.
1040
934
:return: The revision_id of the revision committed.
1042
936
self._check_malformed()
1274
1153
entries from _limbo_files, because they are now stale.
1276
1155
for trans_id in trans_ids:
1277
old_path = self._limbo_files[trans_id]
1278
self._possibly_stale_limbo_files.add(old_path)
1279
del self._limbo_files[trans_id]
1156
old_path = self._limbo_files.pop(trans_id)
1280
1157
if trans_id not in self._new_contents:
1282
1159
new_path = self._limbo_name(trans_id)
1283
1160
os.rename(old_path, new_path)
1284
self._possibly_stale_limbo_files.remove(old_path)
1285
for descendant in self._limbo_descendants(trans_id):
1286
desc_path = self._limbo_files[descendant]
1287
desc_path = new_path + desc_path[len(old_path):]
1288
self._limbo_files[descendant] = desc_path
1290
def _limbo_descendants(self, trans_id):
1291
"""Return the set of trans_ids whose limbo paths descend from this."""
1292
descendants = set(self._limbo_children.get(trans_id, []))
1293
for descendant in list(descendants):
1294
descendants.update(self._limbo_descendants(descendant))
1297
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1162
def create_file(self, contents, trans_id, mode_id=None):
1298
1163
"""Schedule creation of a new file.
1302
:param contents: an iterator of strings, all of which will be written
1303
to the target destination.
1304
:param trans_id: TreeTransform handle
1305
:param mode_id: If not None, force the mode of the target file to match
1306
the mode of the object referenced by mode_id.
1307
Otherwise, we will try to preserve mode bits of an existing file.
1308
:param sha1: If the sha1 of this content is already known, pass it in.
1309
We can use it to prevent future sha1 computations.
1167
Contents is an iterator of strings, all of which will be written
1168
to the target destination.
1170
New file takes the permissions of any existing file with that id,
1171
unless mode_id is specified.
1311
1173
name = self._limbo_name(trans_id)
1312
1174
f = open(name, 'wb')
1314
unique_add(self._new_contents, trans_id, 'file')
1177
unique_add(self._new_contents, trans_id, 'file')
1179
# Clean up the file, it never got registered so
1180
# TreeTransform.finalize() won't clean it up.
1315
1185
f.writelines(contents)
1318
self._set_mtime(name)
1319
1188
self._set_mode(trans_id, mode_id, S_ISREG)
1320
# It is unfortunate we have to use lstat instead of fstat, but we just
1321
# used utime and chmod on the file, so we need the accurate final
1323
if sha1 is not None:
1324
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1326
1190
def _read_file_chunks(self, trans_id):
1327
1191
cur_file = open(self._limbo_name(trans_id), 'rb')
1397
1250
del self._limbo_children_names[trans_id]
1398
1251
delete_any(self._limbo_name(trans_id))
1400
def new_orphan(self, trans_id, parent_id):
1401
# FIXME: There is no tree config, so we use the branch one (it's weird
1402
# to define it this way as orphaning can only occur in a working tree,
1403
# but that's all we have (for now). It will find the option in
1404
# locations.conf or bazaar.conf though) -- vila 20100916
1405
conf = self._tree.branch.get_config()
1406
conf_var_name = 'bzr.transform.orphan_policy'
1407
orphan_policy = conf.get_user_option(conf_var_name)
1408
default_policy = orphaning_registry.default_key
1409
if orphan_policy is None:
1410
orphan_policy = default_policy
1411
if orphan_policy not in orphaning_registry:
1412
trace.warning('%s (from %s) is not a known policy, defaulting '
1413
'to %s' % (orphan_policy, conf_var_name, default_policy))
1414
orphan_policy = default_policy
1415
handle_orphan = orphaning_registry.get(orphan_policy)
1416
handle_orphan(self, trans_id, parent_id)
1419
class OrphaningError(errors.BzrError):
1421
# Only bugs could lead to such exception being seen by the user
1422
internal_error = True
1423
_fmt = "Error while orphaning %s in %s directory"
1425
def __init__(self, orphan, parent):
1426
errors.BzrError.__init__(self)
1427
self.orphan = orphan
1428
self.parent = parent
1431
class OrphaningForbidden(OrphaningError):
1433
_fmt = "Policy: %s doesn't allow creating orphans."
1435
def __init__(self, policy):
1436
errors.BzrError.__init__(self)
1437
self.policy = policy
1440
def move_orphan(tt, orphan_id, parent_id):
1441
"""See TreeTransformBase.new_orphan.
1443
This creates a new orphan in the `bzr-orphans` dir at the root of the
1446
:param tt: The TreeTransform orphaning `trans_id`.
1448
:param orphan_id: The trans id that should be orphaned.
1450
:param parent_id: The orphan parent trans id.
1452
# Add the orphan dir if it doesn't exist
1453
orphan_dir_basename = 'bzr-orphans'
1454
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1455
if tt.final_kind(od_id) is None:
1456
tt.create_directory(od_id)
1457
parent_path = tt._tree_id_paths[parent_id]
1458
# Find a name that doesn't exist yet in the orphan dir
1459
actual_name = tt.final_name(orphan_id)
1460
new_name = tt._available_backup_name(actual_name, od_id)
1461
tt.adjust_path(new_name, od_id, orphan_id)
1462
trace.warning('%s has been orphaned in %s'
1463
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1466
def refuse_orphan(tt, orphan_id, parent_id):
1467
"""See TreeTransformBase.new_orphan.
1469
This refuses to create orphan, letting the caller handle the conflict.
1471
raise OrphaningForbidden('never')
1474
orphaning_registry = registry.Registry()
1475
orphaning_registry.register(
1476
'conflict', refuse_orphan,
1477
'Leave orphans in place and create a conflict on the directory.')
1478
orphaning_registry.register(
1479
'move', move_orphan,
1480
'Move orphans into the bzr-orphans directory.')
1481
orphaning_registry._set_default_key('conflict')
1484
1254
class TreeTransform(DiskTreeTransform):
1485
1255
"""Represent a tree transformation.
1873
1642
if trans_id in self._needs_rename:
1875
1644
mover.rename(self._limbo_name(trans_id), full_path)
1876
except errors.TransformRenameFailed, e:
1877
1646
# We may be renaming a dangling inventory id
1878
1647
if e.errno != errno.ENOENT:
1881
1650
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.
1885
1651
if (trans_id in self._new_contents or
1886
1652
self.path_changed(trans_id)):
1887
1653
if trans_id in self._new_contents:
1888
1654
modified_paths.append(full_path)
1889
1655
if trans_id in self._new_executability:
1890
1656
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)
1896
1658
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]
1902
1659
self._new_contents.clear()
1903
1660
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)
1929
1663
class TransformPreview(DiskTreeTransform):
1930
1664
"""A TreeTransform for generating preview trees.
2014
1743
yield self._get_repository().revision_tree(revision_id)
2016
1745
def _get_file_revision(self, file_id, vf, tree_revision):
2017
parent_keys = [(file_id, t.get_file_revision(file_id)) for t in
1746
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
2018
1747
self._iter_parent_trees()]
2019
1748
vf.add_lines((file_id, tree_revision), parent_keys,
2020
self.get_file_lines(file_id))
1749
self.get_file(file_id).readlines())
2021
1750
repo = self._get_repository()
2022
1751
base_vf = repo.texts
2023
1752
if base_vf not in vf.fallback_versionedfiles:
2024
1753
vf.fallback_versionedfiles.append(base_vf)
2025
1754
return tree_revision
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)
1756
def _stat_limbo_file(self, file_id):
1757
trans_id = self._transform.trans_id_file_id(file_id)
2030
1758
name = self._transform._limbo_name(trans_id)
2031
1759
return os.lstat(name)
2248
1974
def get_file_size(self, file_id):
2249
1975
"""See Tree.get_file_size"""
2250
trans_id = self._transform.trans_id_file_id(file_id)
2251
kind = self._transform.final_kind(trans_id)
2254
if trans_id in self._transform._new_contents:
2255
return self._stat_limbo_file(trans_id=trans_id).st_size
2256
1976
if self.kind(file_id) == 'file':
2257
1977
return self._transform._tree.get_file_size(file_id)
2261
def get_file_verifier(self, file_id, path=None, stat_value=None):
2262
trans_id = self._transform.trans_id_file_id(file_id)
2263
kind = self._transform._new_contents.get(trans_id)
2265
return self._transform._tree.get_file_verifier(file_id)
2267
fileobj = self.get_file(file_id)
2269
return ("SHA1", sha_file(fileobj))
2273
1981
def get_file_sha1(self, file_id, path=None, stat_value=None):
2274
1982
trans_id = self._transform.trans_id_file_id(file_id)
2275
1983
kind = self._transform._new_contents.get(trans_id)
2659
2353
new_desired_files = desired_files
2661
2355
iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2662
unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2663
in iter if not (c or e[0] != e[1])]
2664
if accelerator_tree.supports_content_filtering():
2665
unchanged = [(f, p) for (f, p) in unchanged
2666
if not accelerator_tree.iter_search_rules([p]).next()]
2667
unchanged = dict(unchanged)
2356
unchanged = dict((f, p[1]) for (f, p, c, v, d, n, k, e)
2357
in iter if not (c or e[0] != e[1]))
2668
2358
new_desired_files = []
2670
for file_id, (trans_id, tree_path, text_sha1) in desired_files:
2360
for file_id, (trans_id, tree_path) in desired_files:
2671
2361
accelerator_path = unchanged.get(file_id)
2672
2362
if accelerator_path is None:
2673
new_desired_files.append((file_id,
2674
(trans_id, tree_path, text_sha1)))
2363
new_desired_files.append((file_id, (trans_id, tree_path)))
2676
2365
pb.update('Adding file contents', count + offset, total)
2695
2384
offset += count
2696
for count, ((trans_id, tree_path, text_sha1), contents) in enumerate(
2385
for count, ((trans_id, tree_path), contents) in enumerate(
2697
2386
tree.iter_files_bytes(new_desired_files)):
2698
2387
if wt.supports_content_filtering():
2699
2388
filters = wt._content_filter_stack(tree_path)
2700
2389
contents = filtered_output_bytes(contents, filters,
2701
2390
ContentFilterContext(tree_path, tree))
2702
tt.create_file(contents, trans_id, sha1=text_sha1)
2391
tt.create_file(contents, trans_id)
2703
2392
pb.update('Adding file contents', count + offset, total)
2707
2396
for child in tt.iter_tree_children(old_parent):
2708
2397
tt.adjust_path(tt.final_name(child), new_parent, child)
2711
2399
def _reparent_transform_children(tt, old_parent, new_parent):
2712
2400
by_parent = tt.by_parent()
2713
2401
for child in by_parent[old_parent]:
2714
2402
tt.adjust_path(tt.final_name(child), new_parent, child)
2715
2403
return by_parent[old_parent]
2718
2405
def _content_match(tree, entry, file_id, kind, target_path):
2719
2406
if entry.kind != kind:
2721
2408
if entry.kind == "directory":
2723
2410
if entry.kind == "file":
2724
f = file(target_path, 'rb')
2726
if tree.get_file_text(file_id) == f.read():
2411
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2730
2413
elif entry.kind == "symlink":
2731
2414
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2784
2467
raise errors.BadFileKindError(name, kind)
2470
@deprecated_function(deprecated_in((1, 9, 0)))
2471
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
2472
"""Create new file contents according to an inventory entry.
2474
DEPRECATED. Use create_from_tree instead.
2476
if entry.kind == "file":
2478
lines = tree.get_file(entry.file_id).readlines()
2479
tt.create_file(lines, trans_id, mode_id=mode_id)
2480
elif entry.kind == "symlink":
2481
tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
2482
elif entry.kind == "directory":
2483
tt.create_directory(trans_id)
2787
2486
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2788
2487
filter_tree_path=None):
2789
2488
"""Create new file contents according to tree contents.
2931
2625
deferred_files = []
2932
2626
for id_num, (file_id, path, changed_content, versioned, parent, name,
2933
2627
kind, executable) in enumerate(change_list):
2934
target_path, wt_path = path
2935
target_versioned, wt_versioned = versioned
2936
target_parent, wt_parent = parent
2937
target_name, wt_name = name
2938
target_kind, wt_kind = kind
2939
target_executable, wt_executable = executable
2940
if skip_root and wt_parent is None:
2628
if skip_root and file_id[0] is not None and parent[0] is None:
2942
2630
trans_id = tt.trans_id_file_id(file_id)
2944
2632
if changed_content:
2945
2633
keep_content = False
2946
if wt_kind == 'file' and (backups or target_kind is None):
2634
if kind[0] == 'file' and (backups or kind[1] is None):
2947
2635
wt_sha1 = working_tree.get_file_sha1(file_id)
2948
2636
if merge_modified.get(file_id) != wt_sha1:
2949
2637
# acquire the basis tree lazily to prevent the
2952
2640
if basis_tree is None:
2953
2641
basis_tree = working_tree.basis_tree()
2954
2642
basis_tree.lock_read()
2955
if basis_tree.has_id(file_id):
2643
if file_id in basis_tree:
2956
2644
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2957
2645
keep_content = True
2958
elif target_kind is None and not target_versioned:
2646
elif kind[1] is None and not versioned[1]:
2959
2647
keep_content = True
2960
if wt_kind is not None:
2648
if kind[0] is not None:
2961
2649
if not keep_content:
2962
2650
tt.delete_contents(trans_id)
2963
elif target_kind is not None:
2964
parent_trans_id = tt.trans_id_file_id(wt_parent)
2965
backup_name = tt._available_backup_name(
2966
wt_name, parent_trans_id)
2651
elif kind[1] is not None:
2652
parent_trans_id = tt.trans_id_file_id(parent[0])
2653
by_parent = tt.by_parent()
2654
backup_name = _get_backup_name(name[0], by_parent,
2655
parent_trans_id, tt)
2967
2656
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2968
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2969
if wt_versioned and target_versioned:
2657
new_trans_id = tt.create_path(name[0], parent_trans_id)
2658
if versioned == (True, True):
2970
2659
tt.unversion_file(trans_id)
2971
2660
tt.version_file(file_id, new_trans_id)
2972
2661
# New contents should have the same unix perms as old
2974
2663
mode_id = trans_id
2975
2664
trans_id = new_trans_id
2976
if target_kind in ('directory', 'tree-reference'):
2665
if kind[1] in ('directory', 'tree-reference'):
2977
2666
tt.create_directory(trans_id)
2978
if target_kind == 'tree-reference':
2667
if kind[1] == 'tree-reference':
2979
2668
revision = target_tree.get_reference_revision(file_id,
2981
2670
tt.set_tree_reference(revision, trans_id)
2982
elif target_kind == 'symlink':
2671
elif kind[1] == 'symlink':
2983
2672
tt.create_symlink(target_tree.get_symlink_target(file_id),
2985
elif target_kind == 'file':
2674
elif kind[1] == 'file':
2986
2675
deferred_files.append((file_id, (trans_id, mode_id)))
2987
2676
if basis_tree is None:
2988
2677
basis_tree = working_tree.basis_tree()
2989
2678
basis_tree.lock_read()
2990
2679
new_sha1 = target_tree.get_file_sha1(file_id)
2991
if (basis_tree.has_id(file_id) and
2992
new_sha1 == basis_tree.get_file_sha1(file_id)):
2680
if (file_id in basis_tree and new_sha1 ==
2681
basis_tree.get_file_sha1(file_id)):
2993
2682
if file_id in merge_modified:
2994
2683
del merge_modified[file_id]
2996
2685
merge_modified[file_id] = new_sha1
2998
2687
# preserve the execute bit when backing up
2999
if keep_content and wt_executable == target_executable:
3000
tt.set_executability(target_executable, trans_id)
3001
elif target_kind is not None:
3002
raise AssertionError(target_kind)
3003
if not wt_versioned and target_versioned:
2688
if keep_content and executable[0] == executable[1]:
2689
tt.set_executability(executable[1], trans_id)
2690
elif kind[1] is not None:
2691
raise AssertionError(kind[1])
2692
if versioned == (False, True):
3004
2693
tt.version_file(file_id, trans_id)
3005
if wt_versioned and not target_versioned:
2694
if versioned == (True, False):
3006
2695
tt.unversion_file(trans_id)
3007
if (target_name is not None and
3008
(wt_name != target_name or wt_parent != target_parent)):
3009
if target_name == '' and target_parent is None:
2696
if (name[1] is not None and
2697
(name[0] != name[1] or parent[0] != parent[1])):
2698
if name[1] == '' and parent[1] is None:
3010
2699
parent_trans = ROOT_PARENT
3012
parent_trans = tt.trans_id_file_id(target_parent)
3013
if wt_parent is None and wt_versioned:
3014
tt.adjust_root_path(target_name, parent_trans)
2701
parent_trans = tt.trans_id_file_id(parent[1])
2702
if parent[0] is None and versioned[0]:
2703
tt.adjust_root_path(name[1], parent_trans)
3016
tt.adjust_path(target_name, parent_trans, trans_id)
3017
if wt_executable != target_executable and target_kind == "file":
3018
tt.set_executability(target_executable, trans_id)
2705
tt.adjust_path(name[1], parent_trans, trans_id)
2706
if executable[0] != executable[1] and kind[1] == "file":
2707
tt.set_executability(executable[1], trans_id)
3019
2708
if working_tree.supports_content_filtering():
3020
2709
for index, ((trans_id, mode_id), bytes) in enumerate(
3021
2710
target_tree.iter_files_bytes(deferred_files)):
3093
2781
elif c_type == 'missing parent':
3094
2782
trans_id = conflict[1]
3095
if trans_id in tt._removed_contents:
3096
cancel_deletion = True
3097
orphans = tt._get_potential_orphans(trans_id)
3099
cancel_deletion = False
3100
# All children are orphans
3103
tt.new_orphan(o, trans_id)
3104
except OrphaningError:
3105
# Something bad happened so we cancel the directory
3106
# deletion which will leave it in place with a
3107
# conflict. The user can deal with it from there.
3108
# Note that this also catch the case where we don't
3109
# want to create orphans and leave the directory in
3111
cancel_deletion = True
3114
# Cancel the directory deletion
3115
tt.cancel_deletion(trans_id)
3116
new_conflicts.add(('deleting parent', 'Not deleting',
2784
tt.cancel_deletion(trans_id)
2785
new_conflicts.add(('deleting parent', 'Not deleting',
3121
2790
tt.final_name(trans_id)
3182
2851
modified_path = fp.get_path(conflict[2])
3183
2852
modified_id = tt.final_file_id(conflict[2])
3184
2853
if len(conflict) == 3:
3185
yield conflicts.Conflict.factory(
3186
c_type, action=action, path=modified_path, file_id=modified_id)
2854
yield Conflict.factory(c_type, action=action, path=modified_path,
2855
file_id=modified_id)
3189
2858
conflicting_path = fp.get_path(conflict[3])
3190
2859
conflicting_id = tt.final_file_id(conflict[3])
3191
yield conflicts.Conflict.factory(
3192
c_type, action=action, path=modified_path,
3193
file_id=modified_id,
3194
conflict_path=conflicting_path,
3195
conflict_file_id=conflicting_id)
2860
yield Conflict.factory(c_type, action=action, path=modified_path,
2861
file_id=modified_id,
2862
conflict_path=conflicting_path,
2863
conflict_file_id=conflicting_id)
3198
2866
class _FileMover(object):
3203
2871
self.pending_deletions = []
3205
2873
def rename(self, from_, to):
3206
"""Rename a file from one path to another."""
2874
"""Rename a file from one path to another. Functions like os.rename"""
3208
2876
os.rename(from_, to)
3209
2877
except OSError, e:
3210
2878
if e.errno in (errno.EEXIST, errno.ENOTEMPTY):
3211
2879
raise errors.FileExists(to, str(e))
3212
# normal OSError doesn't include filenames so it's hard to see where
3213
# the problem is, see https://bugs.launchpad.net/bzr/+bug/491763
3214
raise errors.TransformRenameFailed(from_, to, str(e), e.errno)
3215
2881
self.past_renames.append((from_, to))
3217
2883
def pre_delete(self, from_, to):
added
removed
bzrlib/transform.py
