342
211
raise NotImplementedError(self.mkdir)
344
def _observed_sha1(self, file_id, path, (sha1, stat_value)):
345
"""Tell the tree we have observed a paths sha1.
347
The intent of this function is to allow trees that have a hashcache to
348
update the hashcache during commit. If the observed file is too new
349
(based on the stat_value) to be safely hash-cached the tree will ignore
352
The default implementation does nothing.
354
:param file_id: The file id
355
:param path: The file path
356
:param sha1: The sha 1 that was observed.
357
:param stat_value: A stat result for the file the sha1 was read from.
361
def _fix_case_of_inventory_path(self, path):
362
"""If our tree isn't case sensitive, return the canonical path"""
363
if not self.case_sensitive:
364
path = self.get_canonical_inventory_path(path)
368
def put_file_bytes_non_atomic(self, file_id, bytes):
369
"""Update the content of a file in the tree.
371
Note that the file is written in-place rather than being
372
written to a temporary location and renamed. As a consequence,
373
readers can potentially see the file half-written.
375
:param file_id: file-id of the file
376
:param bytes: the new file contents
378
raise NotImplementedError(self.put_file_bytes_non_atomic)
380
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
381
"""Set the parents ids of the working tree.
383
:param revision_ids: A list of revision_ids.
385
raise NotImplementedError(self.set_parent_ids)
387
213
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
388
214
"""Set the parents of the working tree.
390
:param parents_list: A list of (revision_id, tree) tuples.
216
:param parents_list: A list of (revision_id, tree) tuples.
391
217
If tree is None, then that element is treated as an unreachable
392
218
parent tree - i.e. a ghost.
394
220
raise NotImplementedError(self.set_parent_trees)
396
@needs_tree_write_lock
397
def smart_add(self, file_list, recurse=True, action=None, save=True):
398
"""Version file_list, optionally recursing into directories.
400
This is designed more towards DWIM for humans than API clarity.
401
For the specific behaviour see the help for cmd_add().
403
:param action: A reporter to be called with the inventory, parent_ie,
404
path and kind of the path being added. It may return a file_id if
405
a specific one should be used.
406
:param save: Save the inventory after completing the adds. If False
407
this provides dry-run functionality by doing the add and not saving
409
:return: A tuple - files_added, ignored_files. files_added is the count
410
of added files, and ignored_files is a dict mapping files that were
411
ignored to the rule that caused them to be ignored.
413
# not in an inner loop; and we want to remove direct use of this,
414
# so here as a reminder for now. RBC 20070703
415
from bzrlib.inventory import InventoryEntry
417
action = add.AddAction()
420
# no paths supplied: add the entire tree.
421
# FIXME: this assumes we are running in a working tree subdir :-/
424
# mutter("smart add of %r")
430
conflicts_related = set()
431
# Not all mutable trees can have conflicts
432
if getattr(self, 'conflicts', None) is not None:
433
# Collect all related files without checking whether they exist or
434
# are versioned. It's cheaper to do that once for all conflicts
435
# than trying to find the relevant conflict for each added file.
436
for c in self.conflicts():
437
conflicts_related.update(c.associated_filenames())
439
# validate user file paths and convert all paths to tree
440
# relative : it's cheaper to make a tree relative path an abspath
441
# than to convert an abspath to tree relative, and it's cheaper to
442
# perform the canonicalization in bulk.
443
for filepath in osutils.canonical_relpaths(self.basedir, file_list):
444
rf = _FastPath(filepath)
445
# validate user parameters. Our recursive code avoids adding new
446
# files that need such validation
447
if self.is_control_filename(rf.raw_path):
448
raise errors.ForbiddenControlFileError(filename=rf.raw_path)
450
abspath = self.abspath(rf.raw_path)
451
kind = osutils.file_kind(abspath)
452
if kind == 'directory':
453
# schedule the dir for scanning
456
if not InventoryEntry.versionable_kind(kind):
457
raise errors.BadFileKindError(filename=abspath, kind=kind)
458
# ensure the named path is added, so that ignore rules in the later
459
# directory walk dont skip it.
460
# we dont have a parent ie known yet.: use the relatively slower
461
# inventory probing method
462
versioned = inv.has_filename(rf.raw_path)
465
added.extend(_add_one_and_parent(self, inv, None, rf, kind, action))
468
# no need to walk any directories at all.
469
if len(added) > 0 and save:
470
self._write_inventory(inv)
471
return added, ignored
473
# only walk the minimal parents needed: we have user_dirs to override
477
is_inside = osutils.is_inside_or_parent_of_any
478
for path in sorted(user_dirs):
479
if (prev_dir is None or not is_inside([prev_dir], path.raw_path)):
480
dirs_to_add.append((path, None))
481
prev_dir = path.raw_path
483
illegalpath_re = re.compile(r'[\r\n]')
484
# dirs_to_add is initialised to a list of directories, but as we scan
485
# directories we append files to it.
486
# XXX: We should determine kind of files when we scan them rather than
487
# adding to this list. RBC 20070703
488
for directory, parent_ie in dirs_to_add:
489
# directory is tree-relative
490
abspath = self.abspath(directory.raw_path)
492
# get the contents of this directory.
494
# find the kind of the path being added.
495
kind = osutils.file_kind(abspath)
497
if not InventoryEntry.versionable_kind(kind):
498
trace.warning("skipping %s (can't add file of kind '%s')",
501
if illegalpath_re.search(directory.raw_path):
502
trace.warning("skipping %r (contains \\n or \\r)" % abspath)
504
if directory.raw_path in conflicts_related:
505
# If the file looks like one generated for a conflict, don't
508
'skipping %s (generated to help resolve conflicts)',
512
if parent_ie is not None:
513
versioned = directory.base_path in parent_ie.children
515
# without the parent ie, use the relatively slower inventory
517
versioned = inv.has_filename(
518
self._fix_case_of_inventory_path(directory.raw_path))
520
if kind == 'directory':
522
sub_branch = bzrdir.BzrDir.open(abspath)
524
except errors.NotBranchError:
526
except errors.UnsupportedFormatError:
531
if directory.raw_path == '':
532
# mutter("tree root doesn't need to be added")
536
# mutter("%r is already versioned", abspath)
538
# XXX: This is wrong; people *might* reasonably be trying to
539
# add subtrees as subtrees. This should probably only be done
540
# in formats which can represent subtrees, and even then
541
# perhaps only when the user asked to add subtrees. At the
542
# moment you can add them specially through 'join --reference',
543
# which is perhaps reasonable: adding a new reference is a
544
# special operation and can have a special behaviour. mbp
546
trace.mutter("%r is a nested bzr tree", abspath)
548
_add_one(self, inv, parent_ie, directory, kind, action)
549
added.append(directory.raw_path)
551
if kind == 'directory' and not sub_tree:
552
if parent_ie is not None:
554
this_ie = parent_ie.children[directory.base_path]
556
# without the parent ie, use the relatively slower inventory
558
this_id = inv.path2id(
559
self._fix_case_of_inventory_path(directory.raw_path))
563
this_ie = inv[this_id]
565
for subf in sorted(os.listdir(abspath)):
566
# here we could use TreeDirectory rather than
567
# string concatenation.
568
subp = osutils.pathjoin(directory.raw_path, subf)
569
# TODO: is_control_filename is very slow. Make it faster.
570
# TreeDirectory.is_control_filename could also make this
571
# faster - its impossible for a non root dir to have a
573
if self.is_control_filename(subp):
574
trace.mutter("skip control directory %r", subp)
575
elif subf in this_ie.children:
576
# recurse into this already versioned subdir.
577
dirs_to_add.append((_FastPath(subp, subf), this_ie))
579
# user selection overrides ignoes
580
# ignore while selecting files - if we globbed in the
581
# outer loop we would ignore user files.
582
ignore_glob = self.is_ignored(subp)
583
if ignore_glob is not None:
584
# mutter("skip ignored sub-file %r", subp)
585
ignored.setdefault(ignore_glob, []).append(subp)
587
#mutter("queue to add sub-file %r", subp)
588
dirs_to_add.append((_FastPath(subp, subf), this_ie))
592
self._write_inventory(inv)
594
self.read_working_inventory()
595
return added, ignored
597
def update_basis_by_delta(self, new_revid, delta):
598
"""Update the parents of this tree after a commit.
600
This gives the tree one parent, with revision id new_revid. The
601
inventory delta is applied to the current basis tree to generate the
602
inventory for the parent new_revid, and all other parent trees are
605
All the changes in the delta should be changes synchronising the basis
606
tree with some or all of the working tree, with a change to a directory
607
requiring that its contents have been recursively included. That is,
608
this is not a general purpose tree modification routine, but a helper
609
for commit which is not required to handle situations that do not arise
612
See the inventory developers documentation for the theory behind
615
:param new_revid: The new revision id for the trees parent.
616
:param delta: An inventory delta (see apply_inventory_delta) describing
617
the changes from the current left most parent revision to new_revid.
619
# if the tree is updated by a pull to the branch, as happens in
620
# WorkingTree2, when there was no separation between branch and tree,
621
# then just clear merges, efficiency is not a concern for now as this
622
# is legacy environments only, and they are slow regardless.
623
if self.last_revision() == new_revid:
624
self.set_parent_ids([new_revid])
626
# generic implementation based on Inventory manipulation. See
627
# WorkingTree classes for optimised versions for specific format trees.
628
basis = self.basis_tree()
630
# TODO: Consider re-evaluating the need for this with CHKInventory
631
# we don't strictly need to mutate an inventory for this
632
# it only makes sense when apply_delta is cheaper than get_inventory()
633
inventory = basis.inventory._get_mutable_inventory()
635
inventory.apply_delta(delta)
636
rev_tree = revisiontree.RevisionTree(self.branch.repository,
637
inventory, new_revid)
638
self.set_parent_trees([(new_revid, rev_tree)])
641
class MutableTreeHooks(hooks.Hooks):
642
"""A dictionary mapping a hook name to a list of callables for mutabletree
647
"""Create the default hooks.
650
hooks.Hooks.__init__(self)
651
self.create_hook(hooks.HookPoint('start_commit',
652
"Called before a commit is performed on a tree. The start commit "
653
"hook is able to change the tree before the commit takes place. "
654
"start_commit is called with the bzrlib.mutabletree.MutableTree "
655
"that the commit is being performed on.", (1, 4), None))
656
self.create_hook(hooks.HookPoint('post_commit',
657
"Called after a commit is performed on a tree. The hook is "
658
"called with a bzrlib.mutabletree.PostCommitHookParams object. "
659
"The mutable tree the commit was performed on is available via "
660
"the mutable_tree attribute of that object.", (2, 0), None))
663
# install the default hooks into the MutableTree class.
664
MutableTree.hooks = MutableTreeHooks()
667
class PostCommitHookParams(object):
668
"""Parameters for the post_commit hook.
670
To access the parameters, use the following attributes:
672
* mutable_tree - the MutableTree object
675
def __init__(self, mutable_tree):
676
"""Create the parameters for the post_commit hook."""
677
self.mutable_tree = mutable_tree
680
class _FastPath(object):
681
"""A path object with fast accessors for things like basename."""
683
__slots__ = ['raw_path', 'base_path']
685
def __init__(self, path, base_path=None):
686
"""Construct a FastPath from path."""
687
if base_path is None:
688
self.base_path = osutils.basename(path)
690
self.base_path = base_path
693
def __cmp__(self, other):
694
return cmp(self.raw_path, other.raw_path)
697
return hash(self.raw_path)
700
def _add_one_and_parent(tree, inv, parent_ie, path, kind, action):
701
"""Add a new entry to the inventory and automatically add unversioned parents.
703
:param inv: Inventory which will receive the new entry.
704
:param parent_ie: Parent inventory entry if known, or None. If
705
None, the parent is looked up by name and used if present, otherwise it
706
is recursively added.
707
:param kind: Kind of new entry (file, directory, etc)
708
:param action: callback(inv, parent_ie, path, kind); return ignored.
709
:return: A list of paths which have been added.
711
# Nothing to do if path is already versioned.
712
# This is safe from infinite recursion because the tree root is
714
if parent_ie is not None:
715
# we have a parent ie already
718
# slower but does not need parent_ie
719
if inv.has_filename(tree._fix_case_of_inventory_path(path.raw_path)):
721
# its really not there : add the parent
722
# note that the dirname use leads to some extra str copying etc but as
723
# there are a limited number of dirs we can be nested under, it should
724
# generally find it very fast and not recurse after that.
725
added = _add_one_and_parent(tree, inv, None,
726
_FastPath(osutils.dirname(path.raw_path)), 'directory', action)
727
parent_id = inv.path2id(osutils.dirname(path.raw_path))
728
parent_ie = inv[parent_id]
729
_add_one(tree, inv, parent_ie, path, kind, action)
730
return added + [path.raw_path]
733
def _add_one(tree, inv, parent_ie, path, kind, file_id_callback):
734
"""Add a new entry to the inventory.
736
:param inv: Inventory which will receive the new entry.
737
:param parent_ie: Parent inventory entry.
738
:param kind: Kind of new entry (file, directory, etc)
739
:param file_id_callback: callback(inv, parent_ie, path, kind); return a
740
file_id or None to generate a new file id
743
file_id = file_id_callback(inv, parent_ie, path, kind)
744
entry = inv.make_entry(kind, path.base_path, parent_ie.file_id,
added
removed
bzrlib/mutabletree.py
