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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""WorkingTree4 format and implementation.
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WorkingTree4 provides the dirstate based working tree logic.
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To get a WorkingTree, call bzrdir.open_workingtree() or
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WorkingTree.open(dir).
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bisect import bisect_left
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from copy import deepcopy
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conflicts as _mod_conflicts,
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from bzrlib.transport import get_transport
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from bzrlib import symbol_versioning
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, entry_factory
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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import bzrlib.mutabletree
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib.osutils import (
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from bzrlib.trace import mutter, note
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from bzrlib.transport.local import LocalTransport
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from bzrlib.tree import InterTree
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from bzrlib.progress import DummyProgress, ProgressPhase
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from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import (deprecated_passed,
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from bzrlib.tree import Tree
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from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
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# This is the Windows equivalent of ENOTDIR
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# It is defined in pywin32.winerror, but we don't want a strong dependency for
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# just an error code.
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ERROR_PATH_NOT_FOUND = 3
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ERROR_DIRECTORY = 267
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class WorkingTree4(WorkingTree3):
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"""This is the Format 4 working tree.
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This differs from WorkingTree3 by:
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- Having a consolidated internal dirstate, stored in a
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randomly-accessible sorted file on disk.
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- Not having a regular inventory attribute. One can be synthesized
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on demand but this is expensive and should be avoided.
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This is new in bzr 0.15.
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def __init__(self, basedir,
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"""Construct a WorkingTree for basedir.
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If the branch is not supplied, it is opened automatically.
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If the branch is supplied, it must be the branch for this basedir.
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(branch.base is not cross checked, because for remote branches that
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would be meaningless).
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self._format = _format
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self.bzrdir = _bzrdir
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from bzrlib.trace import note, mutter
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assert isinstance(basedir, basestring), \
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"base directory %r is not a string" % basedir
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basedir = safe_unicode(basedir)
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mutter("opening working tree %r", basedir)
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self._branch = branch
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assert isinstance(self.branch, bzrlib.branch.Branch), \
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"branch %r is not a Branch" % self.branch
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self.basedir = realpath(basedir)
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# if branch is at our basedir and is a format 6 or less
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# assume all other formats have their own control files.
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assert isinstance(_control_files, LockableFiles), \
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"_control_files must be a LockableFiles, not %r" % _control_files
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self._control_files = _control_files
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# during a read or write lock these objects are set, and are
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# None the rest of the time.
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self._dirstate = None
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self._inventory = None
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@needs_tree_write_lock
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def _add(self, files, ids, kinds):
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"""See MutableTree._add."""
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state = self.current_dirstate()
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for f, file_id, kind in zip(files, ids, kinds):
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# special case tree root handling.
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if f == '' and self.path2id(f) == ROOT_ID:
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state.set_path_id('', generate_ids.gen_file_id(f))
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file_id = generate_ids.gen_file_id(f)
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# deliberately add the file with no cached stat or sha1
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# - on the first access it will be gathered, and we can
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# always change this once tests are all passing.
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state.add(f, file_id, kind, None, '')
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self._make_dirty(reset_inventory=True)
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def _make_dirty(self, reset_inventory):
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"""Make the tree state dirty.
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:param reset_inventory: True if the cached inventory should be removed
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(presuming there is one).
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if reset_inventory and self._inventory is not None:
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self._inventory = None
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@needs_tree_write_lock
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def add_reference(self, sub_tree):
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# use standard implementation, which calls back to self._add
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# So we don't store the reference_revision in the working dirstate,
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# it's just recorded at the moment of commit.
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self._add_reference(sub_tree)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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This will probe the repository for its lock as well.
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# if the dirstate is locked by an active process, reject the break lock
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if self._dirstate is None:
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state = self._current_dirstate()
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if state._lock_token is not None:
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# we already have it locked. sheese, cant break our own lock.
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raise errors.LockActive(self.basedir)
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# try for a write lock - need permission to get one anyhow
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except errors.LockContention:
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# oslocks fail when a process is still live: fail.
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# TODO: get the locked lockdir info and give to the user to
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# assist in debugging.
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raise errors.LockActive(self.basedir)
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self._dirstate = None
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self._control_files.break_lock()
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self.branch.break_lock()
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def _comparison_data(self, entry, path):
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kind, executable, stat_value = \
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WorkingTree3._comparison_data(self, entry, path)
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# it looks like a plain directory, but it's really a reference -- see
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(path)):
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kind = 'tree-reference'
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return kind, executable, stat_value
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def commit(self, message=None, revprops=None, *args, **kwargs):
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# mark the tree as dirty post commit - commit
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# can change the current versioned list by doing deletes.
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result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
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self._make_dirty(reset_inventory=True)
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def current_dirstate(self):
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"""Return the current dirstate object.
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This is not part of the tree interface and only exposed for ease of
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:raises errors.NotWriteLocked: when not in a lock.
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self._must_be_locked()
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return self._current_dirstate()
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def _current_dirstate(self):
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"""Internal function that does not check lock status.
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This is needed for break_lock which also needs the dirstate.
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if self._dirstate is not None:
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return self._dirstate
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local_path = self.bzrdir.get_workingtree_transport(None
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).local_abspath('dirstate')
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self._dirstate = dirstate.DirState.on_file(local_path)
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return self._dirstate
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def _directory_is_tree_reference(self, relpath):
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# as a special case, if a directory contains control files then
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# it's a tree reference, except that the root of the tree is not
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return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")
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# TODO: We could ask all the control formats whether they
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# recognize this directory, but at the moment there's no cheap api
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# to do that. Since we probably can only nest bzr checkouts and
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# they always use this name it's ok for now. -- mbp 20060306
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# FIXME: There is an unhandled case here of a subdirectory
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# containing .bzr but not a branch; that will probably blow up
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# when you try to commit it. It might happen if there is a
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# checkout in a subdirectory. This can be avoided by not adding
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def filter_unversioned_files(self, paths):
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"""Filter out paths that are versioned.
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:return: set of paths.
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# TODO: make a generic multi-bisect routine roughly that should list
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# the paths, then process one half at a time recursively, and feed the
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# results of each bisect in further still
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paths = sorted(paths)
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state = self.current_dirstate()
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# TODO we want a paths_to_dirblocks helper I think
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dirname, basename = os.path.split(path.encode('utf8'))
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_, _, _, path_is_versioned = state._get_block_entry_index(
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dirname, basename, 0)
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if not path_is_versioned:
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"""Write all cached data to disk."""
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if self._control_files._lock_mode != 'w':
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raise errors.NotWriteLocked(self)
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self.current_dirstate().save()
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self._inventory = None
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@needs_tree_write_lock
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def _gather_kinds(self, files, kinds):
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"""See MutableTree._gather_kinds."""
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for pos, f in enumerate(files):
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if kinds[pos] is None:
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kinds[pos] = self._kind(f)
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def _generate_inventory(self):
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"""Create and set self.inventory from the dirstate object.
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This is relatively expensive: we have to walk the entire dirstate.
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Ideally we would not, and can deprecate this function.
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#: uncomment to trap on inventory requests.
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# import pdb;pdb.set_trace()
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state = self.current_dirstate()
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state._read_dirblocks_if_needed()
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root_key, current_entry = self._get_entry(path='')
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current_id = root_key[2]
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assert current_entry[0][0] == 'd' # directory
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inv = Inventory(root_id=current_id)
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# Turn some things into local variables
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minikind_to_kind = dirstate.DirState._minikind_to_kind
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factory = entry_factory
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utf8_decode = cache_utf8._utf8_decode
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# we could do this straight out of the dirstate; it might be fast
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# and should be profiled - RBC 20070216
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parent_ies = {'' : inv.root}
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for block in state._dirblocks[1:]: # skip the root
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parent_ie = parent_ies[dirname]
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# all the paths in this block are not versioned in this tree
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for key, entry in block[1]:
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minikind, link_or_sha1, size, executable, stat = entry[0]
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if minikind in ('a', 'r'): # absent, relocated
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# a parent tree only entry
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name_unicode = utf8_decode(name)[0]
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kind = minikind_to_kind[minikind]
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inv_entry = factory[kind](file_id, name_unicode,
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# This is only needed on win32, where this is the only way
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# we know the executable bit.
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inv_entry.executable = executable
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# not strictly needed: working tree
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#inv_entry.text_size = size
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#inv_entry.text_sha1 = sha1
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elif kind == 'directory':
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# add this entry to the parent map.
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parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
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elif kind == 'tree-reference':
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assert self._repo_supports_tree_reference, \
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"repository of %r " \
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"doesn't support tree references " \
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"required by entry %r" \
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inv_entry.reference_revision = link_or_sha1 or None
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elif kind != 'symlink':
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raise AssertionError("unknown kind %r" % kind)
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# These checks cost us around 40ms on a 55k entry tree
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assert file_id not in inv_byid, ('file_id %s already in'
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' inventory as %s' % (file_id, inv_byid[file_id]))
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assert name_unicode not in parent_ie.children
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inv_byid[file_id] = inv_entry
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parent_ie.children[name_unicode] = inv_entry
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self._inventory = inv
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def _get_entry(self, file_id=None, path=None):
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"""Get the dirstate row for file_id or path.
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If either file_id or path is supplied, it is used as the key to lookup.
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If both are supplied, the fastest lookup is used, and an error is
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raised if they do not both point at the same row.
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:param file_id: An optional unicode file_id to be looked up.
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:param path: An optional unicode path to be looked up.
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:return: The dirstate row tuple for path/file_id, or (None, None)
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if file_id is None and path is None:
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raise errors.BzrError('must supply file_id or path')
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state = self.current_dirstate()
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path = path.encode('utf8')
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return state._get_entry(0, fileid_utf8=file_id, path_utf8=path)
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def get_file_sha1(self, file_id, path=None, stat_value=None):
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# check file id is valid unconditionally.
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entry = self._get_entry(file_id=file_id, path=path)
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assert entry[0] is not None, 'what error should this raise'
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path = pathjoin(entry[0][0], entry[0][1]).decode('utf8')
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file_abspath = self.abspath(path)
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state = self.current_dirstate()
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if stat_value is None:
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stat_value = os.lstat(file_abspath)
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if e.errno == errno.ENOENT:
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link_or_sha1 = state.update_entry(entry, file_abspath,
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stat_value=stat_value)
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if entry[1][0][0] == 'f':
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def _get_inventory(self):
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"""Get the inventory for the tree. This is only valid within a lock."""
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if self._inventory is not None:
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return self._inventory
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self._must_be_locked()
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self._generate_inventory()
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return self._inventory
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inventory = property(_get_inventory,
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doc="Inventory of this Tree")
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def get_parent_ids(self):
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"""See Tree.get_parent_ids.
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This implementation requests the ids list from the dirstate file.
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return self.current_dirstate().get_parent_ids()
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def get_reference_revision(self, file_id, path=None):
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# referenced tree's revision is whatever's currently there
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return self.get_nested_tree(file_id, path).last_revision()
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def get_nested_tree(self, file_id, path=None):
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path = self.id2path(file_id)
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# else: check file_id is at path?
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return WorkingTree.open(self.abspath(path))
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def get_root_id(self):
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"""Return the id of this trees root"""
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return self._get_entry(path='')[0][2]
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def has_id(self, file_id):
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state = self.current_dirstate()
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file_id = osutils.safe_file_id(file_id)
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row, parents = self._get_entry(file_id=file_id)
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return osutils.lexists(pathjoin(
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self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
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def id2path(self, file_id):
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"Convert a file-id to a path."
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file_id = osutils.safe_file_id(file_id)
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state = self.current_dirstate()
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entry = self._get_entry(file_id=file_id)
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if entry == (None, None):
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raise errors.NoSuchId(tree=self, file_id=file_id)
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path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
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return path_utf8.decode('utf8')
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if not osutils.supports_executable():
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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file_id = osutils.safe_file_id(file_id)
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entry = self._get_entry(file_id=file_id, path=path)
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if entry == (None, None):
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return entry[1][0][3]
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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file_id = osutils.safe_file_id(file_id)
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path = self.id2path(file_id)
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mode = os.lstat(self.abspath(path)).st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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"""Iterate through file_ids for this tree.
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file_ids are in a WorkingTree if they are in the working inventory
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and the working file exists.
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for key, tree_details in self.current_dirstate()._iter_entries():
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if tree_details[0][0] in ('a', 'r'): # absent, relocated
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# not relevant to the working tree
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path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
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if osutils.lexists(path):
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result.append(key[2])
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def iter_references(self):
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for key, tree_details in self.current_dirstate()._iter_entries():
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if tree_details[0][0] in ('a', 'r'): # absent, relocated
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# not relevant to the working tree
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# the root is not a reference.
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path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
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if self._kind(path) == 'tree-reference':
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except errors.NoSuchFile:
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# path is missing on disk.
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def kind(self, file_id):
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"""Return the kind of a file.
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This is always the actual kind that's on disk, regardless of what it
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Note: The caller is expected to take a read-lock before calling this.
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relpath = self.id2path(file_id)
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assert relpath != None, \
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"path for id {%s} is None!" % file_id
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return self._kind(relpath)
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def _kind(self, relpath):
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abspath = self.abspath(relpath)
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kind = file_kind(abspath)
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(relpath)):
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kind = 'tree-reference'
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def _last_revision(self):
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"""See Mutable.last_revision."""
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parent_ids = self.current_dirstate().get_parent_ids()
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"""See Branch.lock_read, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._control_files.lock_read()
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state = self.current_dirstate()
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if not state._lock_token:
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# set our support for tree references from the repository in
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self._repo_supports_tree_reference = getattr(
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self.branch.repository._format, "supports_tree_reference",
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self._control_files.unlock()
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def _lock_self_write(self):
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"""This should be called after the branch is locked."""
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self._control_files.lock_write()
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state = self.current_dirstate()
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if not state._lock_token:
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# set our support for tree references from the repository in
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self._repo_supports_tree_reference = getattr(
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self.branch.repository._format, "supports_tree_reference",
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self._control_files.unlock()
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def lock_tree_write(self):
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"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._lock_self_write()
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def lock_write(self):
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"""See MutableTree.lock_write, and WorkingTree.unlock."""
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self.branch.lock_write()
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self._lock_self_write()
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@needs_tree_write_lock
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def move(self, from_paths, to_dir, after=False):
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"""See WorkingTree.move()."""
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state = self.current_dirstate()
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assert not isinstance(from_paths, basestring)
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to_dir_utf8 = to_dir.encode('utf8')
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to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
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id_index = state._get_id_index()
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# check destination directory
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# get the details for it
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to_entry_block_index, to_entry_entry_index, dir_present, entry_present = \
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state._get_block_entry_index(to_entry_dirname, to_basename, 0)
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if not entry_present:
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raise errors.BzrMoveFailedError('', to_dir,
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errors.NotVersionedError(to_dir))
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to_entry = state._dirblocks[to_entry_block_index][1][to_entry_entry_index]
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# get a handle on the block itself.
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to_block_index = state._ensure_block(
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to_entry_block_index, to_entry_entry_index, to_dir_utf8)
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to_block = state._dirblocks[to_block_index]
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to_abs = self.abspath(to_dir)
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if not isdir(to_abs):
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if to_entry[1][0][0] != 'd':
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if self._inventory is not None:
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update_inventory = True
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to_dir_ie = inv[to_dir_id]
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to_dir_id = to_entry[0][2]
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update_inventory = False
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def move_one(old_entry, from_path_utf8, minikind, executable,
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fingerprint, packed_stat, size,
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to_block, to_key, to_path_utf8):
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state._make_absent(old_entry)
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from_key = old_entry[0]
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lambda:state.update_minimal(from_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=from_path_utf8))
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state.update_minimal(to_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=to_path_utf8)
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added_entry_index, _ = state._find_entry_index(to_key, to_block[1])
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new_entry = to_block[1][added_entry_index]
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rollbacks.append(lambda:state._make_absent(new_entry))
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for from_rel in from_paths:
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# from_rel is 'pathinroot/foo/bar'
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from_rel_utf8 = from_rel.encode('utf8')
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from_dirname, from_tail = osutils.split(from_rel)
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from_dirname, from_tail_utf8 = osutils.split(from_rel_utf8)
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from_entry = self._get_entry(path=from_rel)
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if from_entry == (None, None):
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raise errors.BzrMoveFailedError(from_rel,to_dir,
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errors.NotVersionedError(path=str(from_rel)))
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from_id = from_entry[0][2]
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to_rel = pathjoin(to_dir, from_tail)
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to_rel_utf8 = pathjoin(to_dir_utf8, from_tail_utf8)
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item_to_entry = self._get_entry(path=to_rel)
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if item_to_entry != (None, None):
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Target is already versioned.")
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if from_rel == to_rel:
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Source and target are identical.")
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from_missing = not self.has_filename(from_rel)
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to_missing = not self.has_filename(to_rel)
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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errors.NoSuchFile(path=to_rel,
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extra="New file has not been created yet"))
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# neither path exists
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raise errors.BzrRenameFailedError(from_rel, to_rel,
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errors.PathsDoNotExist(paths=(from_rel, to_rel)))
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if from_missing: # implicitly just update our path mapping
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raise errors.RenameFailedFilesExist(from_rel, to_rel,
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extra="(Use --after to update the Bazaar id)")
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def rollback_rename():
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"""A single rename has failed, roll it back."""
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# roll back everything, even if we encounter trouble doing one
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# TODO: at least log the other exceptions rather than just
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# losing them mbp 20070307
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for rollback in reversed(rollbacks):
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exc_info = sys.exc_info()
748
raise exc_info[0], exc_info[1], exc_info[2]
750
# perform the disk move first - its the most likely failure point.
752
from_rel_abs = self.abspath(from_rel)
753
to_rel_abs = self.abspath(to_rel)
755
osutils.rename(from_rel_abs, to_rel_abs)
757
raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
758
rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
760
# perform the rename in the inventory next if needed: its easy
764
from_entry = inv[from_id]
765
current_parent = from_entry.parent_id
766
inv.rename(from_id, to_dir_id, from_tail)
768
lambda: inv.rename(from_id, current_parent, from_tail))
769
# finally do the rename in the dirstate, which is a little
770
# tricky to rollback, but least likely to need it.
771
old_block_index, old_entry_index, dir_present, file_present = \
772
state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
773
old_block = state._dirblocks[old_block_index][1]
774
old_entry = old_block[old_entry_index]
775
from_key, old_entry_details = old_entry
776
cur_details = old_entry_details[0]
778
to_key = ((to_block[0],) + from_key[1:3])
779
minikind = cur_details[0]
780
move_one(old_entry, from_path_utf8=from_rel_utf8,
782
executable=cur_details[3],
783
fingerprint=cur_details[1],
784
packed_stat=cur_details[4],
788
to_path_utf8=to_rel_utf8)
791
def update_dirblock(from_dir, to_key, to_dir_utf8):
792
"""Recursively update all entries in this dirblock."""
793
assert from_dir != '', "renaming root not supported"
794
from_key = (from_dir, '')
795
from_block_idx, present = \
796
state._find_block_index_from_key(from_key)
798
# This is the old record, if it isn't present, then
799
# there is theoretically nothing to update.
800
# (Unless it isn't present because of lazy loading,
801
# but we don't do that yet)
803
from_block = state._dirblocks[from_block_idx]
804
to_block_index, to_entry_index, _, _ = \
805
state._get_block_entry_index(to_key[0], to_key[1], 0)
806
to_block_index = state._ensure_block(
807
to_block_index, to_entry_index, to_dir_utf8)
808
to_block = state._dirblocks[to_block_index]
810
# Grab a copy since move_one may update the list.
811
for entry in from_block[1][:]:
812
assert entry[0][0] == from_dir
813
cur_details = entry[1][0]
814
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
815
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
816
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
817
minikind = cur_details[0]
819
# Deleted children of a renamed directory
820
# Do not need to be updated.
821
# Children that have been renamed out of this
822
# directory should also not be updated
824
move_one(entry, from_path_utf8=from_path_utf8,
826
executable=cur_details[3],
827
fingerprint=cur_details[1],
828
packed_stat=cur_details[4],
832
to_path_utf8=to_path_utf8)
834
# We need to move all the children of this
836
update_dirblock(from_path_utf8, to_key,
838
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
842
result.append((from_rel, to_rel))
843
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
844
self._make_dirty(reset_inventory=False)
848
def _must_be_locked(self):
849
if not self._control_files._lock_count:
850
raise errors.ObjectNotLocked(self)
853
"""Initialize the state in this tree to be a new tree."""
857
def path2id(self, path):
858
"""Return the id for path in this tree."""
859
path = path.strip('/')
860
entry = self._get_entry(path=path)
861
if entry == (None, None):
865
def paths2ids(self, paths, trees=[], require_versioned=True):
866
"""See Tree.paths2ids().
868
This specialisation fast-paths the case where all the trees are in the
873
parents = self.get_parent_ids()
875
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
877
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
878
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
879
# -- make all paths utf8 --
882
paths_utf8.add(path.encode('utf8'))
884
# -- paths is now a utf8 path set --
885
# -- get the state object and prepare it.
886
state = self.current_dirstate()
887
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
888
and '' not in paths):
889
paths2ids = self._paths2ids_using_bisect
891
paths2ids = self._paths2ids_in_memory
892
return paths2ids(paths, search_indexes,
893
require_versioned=require_versioned)
895
def _paths2ids_in_memory(self, paths, search_indexes,
896
require_versioned=True):
897
state = self.current_dirstate()
898
state._read_dirblocks_if_needed()
899
def _entries_for_path(path):
900
"""Return a list with all the entries that match path for all ids.
902
dirname, basename = os.path.split(path)
903
key = (dirname, basename, '')
904
block_index, present = state._find_block_index_from_key(key)
906
# the block which should contain path is absent.
909
block = state._dirblocks[block_index][1]
910
entry_index, _ = state._find_entry_index(key, block)
911
# we may need to look at multiple entries at this path: walk while the paths match.
912
while (entry_index < len(block) and
913
block[entry_index][0][0:2] == key[0:2]):
914
result.append(block[entry_index])
917
if require_versioned:
918
# -- check all supplied paths are versioned in a search tree. --
921
path_entries = _entries_for_path(path)
923
# this specified path is not present at all: error
924
all_versioned = False
926
found_versioned = False
927
# for each id at this path
928
for entry in path_entries:
930
for index in search_indexes:
931
if entry[1][index][0] != 'a': # absent
932
found_versioned = True
933
# all good: found a versioned cell
935
if not found_versioned:
936
# none of the indexes was not 'absent' at all ids for this
938
all_versioned = False
940
if not all_versioned:
941
raise errors.PathsNotVersionedError(paths)
942
# -- remove redundancy in supplied paths to prevent over-scanning --
945
other_paths = paths.difference(set([path]))
946
if not osutils.is_inside_any(other_paths, path):
947
# this is a top level path, we must check it.
948
search_paths.add(path)
950
# for all search_indexs in each path at or under each element of
951
# search_paths, if the detail is relocated: add the id, and add the
952
# relocated path as one to search if its not searched already. If the
953
# detail is not relocated, add the id.
954
searched_paths = set()
956
def _process_entry(entry):
957
"""Look at search_indexes within entry.
959
If a specific tree's details are relocated, add the relocation
960
target to search_paths if not searched already. If it is absent, do
961
nothing. Otherwise add the id to found_ids.
963
for index in search_indexes:
964
if entry[1][index][0] == 'r': # relocated
965
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
966
search_paths.add(entry[1][index][1])
967
elif entry[1][index][0] != 'a': # absent
968
found_ids.add(entry[0][2])
970
current_root = search_paths.pop()
971
searched_paths.add(current_root)
972
# process the entries for this containing directory: the rest will be
973
# found by their parents recursively.
974
root_entries = _entries_for_path(current_root)
976
# this specified path is not present at all, skip it.
978
for entry in root_entries:
979
_process_entry(entry)
980
initial_key = (current_root, '', '')
981
block_index, _ = state._find_block_index_from_key(initial_key)
982
while (block_index < len(state._dirblocks) and
983
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
984
for entry in state._dirblocks[block_index][1]:
985
_process_entry(entry)
989
def _paths2ids_using_bisect(self, paths, search_indexes,
990
require_versioned=True):
991
state = self.current_dirstate()
994
split_paths = sorted(osutils.split(p) for p in paths)
995
found = state._bisect_recursive(split_paths)
997
if require_versioned:
998
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
999
for dir_name in split_paths:
1000
if dir_name not in found_dir_names:
1001
raise errors.PathsNotVersionedError(paths)
1003
for dir_name_id, trees_info in found.iteritems():
1004
for index in search_indexes:
1005
if trees_info[index][0] not in ('r', 'a'):
1006
found_ids.add(dir_name_id[2])
1009
def read_working_inventory(self):
1010
"""Read the working inventory.
1012
This is a meaningless operation for dirstate, but we obey it anyhow.
1014
return self.inventory
1017
def revision_tree(self, revision_id):
1018
"""See Tree.revision_tree.
1020
WorkingTree4 supplies revision_trees for any basis tree.
1022
revision_id = osutils.safe_revision_id(revision_id)
1023
dirstate = self.current_dirstate()
1024
parent_ids = dirstate.get_parent_ids()
1025
if revision_id not in parent_ids:
1026
raise errors.NoSuchRevisionInTree(self, revision_id)
1027
if revision_id in dirstate.get_ghosts():
1028
raise errors.NoSuchRevisionInTree(self, revision_id)
1029
return DirStateRevisionTree(dirstate, revision_id,
1030
self.branch.repository)
1032
@needs_tree_write_lock
1033
def set_last_revision(self, new_revision):
1034
"""Change the last revision in the working tree."""
1035
new_revision = osutils.safe_revision_id(new_revision)
1036
parents = self.get_parent_ids()
1037
if new_revision in (NULL_REVISION, None):
1038
assert len(parents) < 2, (
1039
"setting the last parent to none with a pending merge is "
1041
self.set_parent_ids([])
1043
self.set_parent_ids([new_revision] + parents[1:],
1044
allow_leftmost_as_ghost=True)
1046
@needs_tree_write_lock
1047
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1048
"""Set the parent ids to revision_ids.
1050
See also set_parent_trees. This api will try to retrieve the tree data
1051
for each element of revision_ids from the trees repository. If you have
1052
tree data already available, it is more efficient to use
1053
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1054
an easier API to use.
1056
:param revision_ids: The revision_ids to set as the parent ids of this
1057
working tree. Any of these may be ghosts.
1059
revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
1061
for revision_id in revision_ids:
1063
revtree = self.branch.repository.revision_tree(revision_id)
1064
# TODO: jam 20070213 KnitVersionedFile raises
1065
# RevisionNotPresent rather than NoSuchRevision if a
1066
# given revision_id is not present. Should Repository be
1067
# catching it and re-raising NoSuchRevision?
1068
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1070
trees.append((revision_id, revtree))
1071
self.set_parent_trees(trees,
1072
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1074
@needs_tree_write_lock
1075
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1076
"""Set the parents of the working tree.
1078
:param parents_list: A list of (revision_id, tree) tuples.
1079
If tree is None, then that element is treated as an unreachable
1080
parent tree - i.e. a ghost.
1082
dirstate = self.current_dirstate()
1083
if len(parents_list) > 0:
1084
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1085
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1088
# convert absent trees to the null tree, which we convert back to
1089
# missing on access.
1090
for rev_id, tree in parents_list:
1091
rev_id = osutils.safe_revision_id(rev_id)
1092
if tree is not None:
1093
real_trees.append((rev_id, tree))
1095
real_trees.append((rev_id,
1096
self.branch.repository.revision_tree(None)))
1097
ghosts.append(rev_id)
1098
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1099
self._make_dirty(reset_inventory=False)
1101
def _set_root_id(self, file_id):
1102
"""See WorkingTree.set_root_id."""
1103
state = self.current_dirstate()
1104
state.set_path_id('', file_id)
1105
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1106
self._make_dirty(reset_inventory=True)
1109
def supports_tree_reference(self):
1110
return self._repo_supports_tree_reference
1113
"""Unlock in format 4 trees needs to write the entire dirstate."""
1114
if self._control_files._lock_count == 1:
1115
# eventually we should do signature checking during read locks for
1117
if self._control_files._lock_mode == 'w':
1120
if self._dirstate is not None:
1121
# This is a no-op if there are no modifications.
1122
self._dirstate.save()
1123
self._dirstate.unlock()
1124
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1125
# point. Instead, it could check if the header has been
1126
# modified when it is locked, and if not, it can hang on to
1127
# the data it has in memory.
1128
self._dirstate = None
1129
self._inventory = None
1130
# reverse order of locking.
1132
return self._control_files.unlock()
1134
self.branch.unlock()
1136
@needs_tree_write_lock
1137
def unversion(self, file_ids):
1138
"""Remove the file ids in file_ids from the current versioned set.
1140
When a file_id is unversioned, all of its children are automatically
1143
:param file_ids: The file ids to stop versioning.
1144
:raises: NoSuchId if any fileid is not currently versioned.
1148
state = self.current_dirstate()
1149
state._read_dirblocks_if_needed()
1150
ids_to_unversion = set()
1151
for file_id in file_ids:
1152
ids_to_unversion.add(osutils.safe_file_id(file_id))
1153
paths_to_unversion = set()
1155
# check if the root is to be unversioned, if so, assert for now.
1156
# walk the state marking unversioned things as absent.
1157
# if there are any un-unversioned ids at the end, raise
1158
for key, details in state._dirblocks[0][1]:
1159
if (details[0][0] not in ('a', 'r') and # absent or relocated
1160
key[2] in ids_to_unversion):
1161
# I haven't written the code to unversion / yet - it should be
1163
raise errors.BzrError('Unversioning the / is not currently supported')
1165
while block_index < len(state._dirblocks):
1166
# process one directory at a time.
1167
block = state._dirblocks[block_index]
1168
# first check: is the path one to remove - it or its children
1169
delete_block = False
1170
for path in paths_to_unversion:
1171
if (block[0].startswith(path) and
1172
(len(block[0]) == len(path) or
1173
block[0][len(path)] == '/')):
1174
# this entire block should be deleted - its the block for a
1175
# path to unversion; or the child of one
1178
# TODO: trim paths_to_unversion as we pass by paths
1180
# this block is to be deleted: process it.
1181
# TODO: we can special case the no-parents case and
1182
# just forget the whole block.
1184
while entry_index < len(block[1]):
1185
# Mark this file id as having been removed
1186
entry = block[1][entry_index]
1187
ids_to_unversion.discard(entry[0][2])
1188
if (entry[1][0][0] == 'a'
1189
or not state._make_absent(entry)):
1191
# go to the next block. (At the moment we dont delete empty
1196
while entry_index < len(block[1]):
1197
entry = block[1][entry_index]
1198
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1199
# ^ some parent row.
1200
entry[0][2] not in ids_to_unversion):
1201
# ^ not an id to unversion
1204
if entry[1][0][0] == 'd':
1205
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1206
if not state._make_absent(entry):
1208
# we have unversioned this id
1209
ids_to_unversion.remove(entry[0][2])
1211
if ids_to_unversion:
1212
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1213
self._make_dirty(reset_inventory=False)
1214
# have to change the legacy inventory too.
1215
if self._inventory is not None:
1216
for file_id in file_ids:
1217
self._inventory.remove_recursive_id(file_id)
1220
def _validate(self):
1221
self._dirstate._validate()
1223
@needs_tree_write_lock
1224
def _write_inventory(self, inv):
1225
"""Write inventory as the current inventory."""
1226
assert not self._dirty, "attempting to write an inventory when the dirstate is dirty will cause data loss"
1227
self.current_dirstate().set_state_from_inventory(inv)
1228
self._make_dirty(reset_inventory=False)
1229
if self._inventory is not None:
1230
self._inventory = inv
1234
class WorkingTreeFormat4(WorkingTreeFormat3):
1235
"""The first consolidated dirstate working tree format.
1238
- exists within a metadir controlling .bzr
1239
- includes an explicit version marker for the workingtree control
1240
files, separate from the BzrDir format
1241
- modifies the hash cache format
1242
- is new in bzr 0.15
1243
- uses a LockDir to guard access to it.
1246
upgrade_recommended = False
1248
def get_format_string(self):
1249
"""See WorkingTreeFormat.get_format_string()."""
1250
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1252
def get_format_description(self):
1253
"""See WorkingTreeFormat.get_format_description()."""
1254
return "Working tree format 4"
1256
def initialize(self, a_bzrdir, revision_id=None):
1257
"""See WorkingTreeFormat.initialize().
1259
:param revision_id: allows creating a working tree at a different
1260
revision than the branch is at.
1262
These trees get an initial random root id, if their repository supports
1263
rich root data, TREE_ROOT otherwise.
1265
revision_id = osutils.safe_revision_id(revision_id)
1266
if not isinstance(a_bzrdir.transport, LocalTransport):
1267
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1268
transport = a_bzrdir.get_workingtree_transport(self)
1269
control_files = self._open_control_files(a_bzrdir)
1270
control_files.create_lock()
1271
control_files.lock_write()
1272
control_files.put_utf8('format', self.get_format_string())
1273
branch = a_bzrdir.open_branch()
1274
if revision_id is None:
1275
revision_id = branch.last_revision()
1276
local_path = transport.local_abspath('dirstate')
1277
# write out new dirstate (must exist when we create the tree)
1278
state = dirstate.DirState.initialize(local_path)
1281
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1285
_control_files=control_files)
1287
wt.lock_tree_write()
1289
if revision_id in (None, NULL_REVISION):
1290
if branch.repository.supports_rich_root():
1291
wt._set_root_id(generate_ids.gen_root_id())
1293
wt._set_root_id(ROOT_ID)
1295
wt.set_last_revision(revision_id)
1297
basis = wt.basis_tree()
1299
# if the basis has a root id we have to use that; otherwise we use
1301
basis_root_id = basis.get_root_id()
1302
if basis_root_id is not None:
1303
wt._set_root_id(basis_root_id)
1305
transform.build_tree(basis, wt)
1308
control_files.unlock()
1312
def _open(self, a_bzrdir, control_files):
1313
"""Open the tree itself.
1315
:param a_bzrdir: the dir for the tree.
1316
:param control_files: the control files for the tree.
1318
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1319
branch=a_bzrdir.open_branch(),
1322
_control_files=control_files)
1324
def __get_matchingbzrdir(self):
1325
# please test against something that will let us do tree references
1326
return bzrdir.format_registry.make_bzrdir(
1327
'dirstate-with-subtree')
1329
_matchingbzrdir = property(__get_matchingbzrdir)
1332
class DirStateRevisionTree(Tree):
1333
"""A revision tree pulling the inventory from a dirstate."""
1335
def __init__(self, dirstate, revision_id, repository):
1336
self._dirstate = dirstate
1337
self._revision_id = osutils.safe_revision_id(revision_id)
1338
self._repository = repository
1339
self._inventory = None
1341
self._dirstate_locked = False
1344
return "<%s of %s in %s>" % \
1345
(self.__class__.__name__, self._revision_id, self._dirstate)
1347
def annotate_iter(self, file_id):
1348
"""See Tree.annotate_iter"""
1349
w = self._repository.weave_store.get_weave(file_id,
1350
self._repository.get_transaction())
1351
return w.annotate_iter(self.inventory[file_id].revision)
1353
def _comparison_data(self, entry, path):
1354
"""See Tree._comparison_data."""
1356
return None, False, None
1357
# trust the entry as RevisionTree does, but this may not be
1358
# sensible: the entry might not have come from us?
1359
return entry.kind, entry.executable, None
1361
def _file_size(self, entry, stat_value):
1362
return entry.text_size
1364
def filter_unversioned_files(self, paths):
1365
"""Filter out paths that are not versioned.
1367
:return: set of paths.
1369
pred = self.has_filename
1370
return set((p for p in paths if not pred(p)))
1372
def get_root_id(self):
1373
return self.path2id('')
1375
def _get_parent_index(self):
1376
"""Return the index in the dirstate referenced by this tree."""
1377
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1379
def _get_entry(self, file_id=None, path=None):
1380
"""Get the dirstate row for file_id or path.
1382
If either file_id or path is supplied, it is used as the key to lookup.
1383
If both are supplied, the fastest lookup is used, and an error is
1384
raised if they do not both point at the same row.
1386
:param file_id: An optional unicode file_id to be looked up.
1387
:param path: An optional unicode path to be looked up.
1388
:return: The dirstate row tuple for path/file_id, or (None, None)
1390
if file_id is None and path is None:
1391
raise errors.BzrError('must supply file_id or path')
1392
file_id = osutils.safe_file_id(file_id)
1393
if path is not None:
1394
path = path.encode('utf8')
1395
parent_index = self._get_parent_index()
1396
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1398
def _generate_inventory(self):
1399
"""Create and set self.inventory from the dirstate object.
1401
(So this is only called the first time the inventory is requested for
1402
this tree; it then remains in memory until it's out of date.)
1404
This is relatively expensive: we have to walk the entire dirstate.
1406
assert self._locked, 'cannot generate inventory of an unlocked '\
1407
'dirstate revision tree'
1408
# separate call for profiling - makes it clear where the costs are.
1409
self._dirstate._read_dirblocks_if_needed()
1410
assert self._revision_id in self._dirstate.get_parent_ids(), \
1411
'parent %s has disappeared from %s' % (
1412
self._revision_id, self._dirstate.get_parent_ids())
1413
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1414
# This is identical now to the WorkingTree _generate_inventory except
1415
# for the tree index use.
1416
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1417
current_id = root_key[2]
1418
assert current_entry[parent_index][0] == 'd'
1419
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1420
inv.root.revision = current_entry[parent_index][4]
1421
# Turn some things into local variables
1422
minikind_to_kind = dirstate.DirState._minikind_to_kind
1423
factory = entry_factory
1424
utf8_decode = cache_utf8._utf8_decode
1425
inv_byid = inv._byid
1426
# we could do this straight out of the dirstate; it might be fast
1427
# and should be profiled - RBC 20070216
1428
parent_ies = {'' : inv.root}
1429
for block in self._dirstate._dirblocks[1:]: #skip root
1432
parent_ie = parent_ies[dirname]
1434
# all the paths in this block are not versioned in this tree
1436
for key, entry in block[1]:
1437
minikind, fingerprint, size, executable, revid = entry[parent_index]
1438
if minikind in ('a', 'r'): # absent, relocated
1442
name_unicode = utf8_decode(name)[0]
1444
kind = minikind_to_kind[minikind]
1445
inv_entry = factory[kind](file_id, name_unicode,
1447
inv_entry.revision = revid
1449
inv_entry.executable = executable
1450
inv_entry.text_size = size
1451
inv_entry.text_sha1 = fingerprint
1452
elif kind == 'directory':
1453
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1454
elif kind == 'symlink':
1455
inv_entry.executable = False
1456
inv_entry.text_size = None
1457
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1458
elif kind == 'tree-reference':
1459
inv_entry.reference_revision = fingerprint or None
1461
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1463
# These checks cost us around 40ms on a 55k entry tree
1464
assert file_id not in inv_byid
1465
assert name_unicode not in parent_ie.children
1466
inv_byid[file_id] = inv_entry
1467
parent_ie.children[name_unicode] = inv_entry
1468
self._inventory = inv
1470
def get_file_mtime(self, file_id, path=None):
1471
"""Return the modification time for this record.
1473
We return the timestamp of the last-changed revision.
1475
# Make sure the file exists
1476
entry = self._get_entry(file_id, path=path)
1477
if entry == (None, None): # do we raise?
1479
parent_index = self._get_parent_index()
1480
last_changed_revision = entry[1][parent_index][4]
1481
return self._repository.get_revision(last_changed_revision).timestamp
1483
def get_file_sha1(self, file_id, path=None, stat_value=None):
1484
entry = self._get_entry(file_id=file_id, path=path)
1485
parent_index = self._get_parent_index()
1486
parent_details = entry[1][parent_index]
1487
if parent_details[0] == 'f':
1488
return parent_details[1]
1491
def get_file(self, file_id):
1492
return StringIO(self.get_file_text(file_id))
1494
def get_file_lines(self, file_id):
1495
ie = self.inventory[file_id]
1496
return self._repository.weave_store.get_weave(file_id,
1497
self._repository.get_transaction()).get_lines(ie.revision)
1499
def get_file_size(self, file_id):
1500
return self.inventory[file_id].text_size
1502
def get_file_text(self, file_id):
1503
return ''.join(self.get_file_lines(file_id))
1505
def get_reference_revision(self, file_id, path=None):
1506
return self.inventory[file_id].reference_revision
1508
def get_symlink_target(self, file_id):
1509
entry = self._get_entry(file_id=file_id)
1510
parent_index = self._get_parent_index()
1511
if entry[1][parent_index][0] != 'l':
1514
# At present, none of the tree implementations supports non-ascii
1515
# symlink targets. So we will just assume that the dirstate path is
1517
return entry[1][parent_index][1]
1519
def get_revision_id(self):
1520
"""Return the revision id for this tree."""
1521
return self._revision_id
1523
def _get_inventory(self):
1524
if self._inventory is not None:
1525
return self._inventory
1526
self._must_be_locked()
1527
self._generate_inventory()
1528
return self._inventory
1530
inventory = property(_get_inventory,
1531
doc="Inventory of this Tree")
1533
def get_parent_ids(self):
1534
"""The parents of a tree in the dirstate are not cached."""
1535
return self._repository.get_revision(self._revision_id).parent_ids
1537
def has_filename(self, filename):
1538
return bool(self.path2id(filename))
1540
def kind(self, file_id):
1541
return self.inventory[file_id].kind
1543
def is_executable(self, file_id, path=None):
1544
ie = self.inventory[file_id]
1545
if ie.kind != "file":
1547
return ie.executable
1549
def list_files(self, include_root=False):
1550
# We use a standard implementation, because DirStateRevisionTree is
1551
# dealing with one of the parents of the current state
1552
inv = self._get_inventory()
1553
entries = inv.iter_entries()
1554
if self.inventory.root is not None and not include_root:
1556
for path, entry in entries:
1557
yield path, 'V', entry.kind, entry.file_id, entry
1559
def lock_read(self):
1560
"""Lock the tree for a set of operations."""
1561
if not self._locked:
1562
self._repository.lock_read()
1563
if self._dirstate._lock_token is None:
1564
self._dirstate.lock_read()
1565
self._dirstate_locked = True
1568
def _must_be_locked(self):
1569
if not self._locked:
1570
raise errors.ObjectNotLocked(self)
1573
def path2id(self, path):
1574
"""Return the id for path in this tree."""
1575
# lookup by path: faster than splitting and walking the ivnentory.
1576
entry = self._get_entry(path=path)
1577
if entry == (None, None):
1582
"""Unlock, freeing any cache memory used during the lock."""
1583
# outside of a lock, the inventory is suspect: release it.
1585
if not self._locked:
1586
self._inventory = None
1588
if self._dirstate_locked:
1589
self._dirstate.unlock()
1590
self._dirstate_locked = False
1591
self._repository.unlock()
1593
def walkdirs(self, prefix=""):
1594
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1595
# implementation based on an inventory.
1596
# This should be cleaned up to use the much faster Dirstate code
1597
# So for now, we just build up the parent inventory, and extract
1598
# it the same way RevisionTree does.
1599
_directory = 'directory'
1600
inv = self._get_inventory()
1601
top_id = inv.path2id(prefix)
1605
pending = [(prefix, top_id)]
1608
relpath, file_id = pending.pop()
1609
# 0 - relpath, 1- file-id
1611
relroot = relpath + '/'
1614
# FIXME: stash the node in pending
1615
entry = inv[file_id]
1616
for name, child in entry.sorted_children():
1617
toppath = relroot + name
1618
dirblock.append((toppath, name, child.kind, None,
1619
child.file_id, child.kind
1621
yield (relpath, entry.file_id), dirblock
1622
# push the user specified dirs from dirblock
1623
for dir in reversed(dirblock):
1624
if dir[2] == _directory:
1625
pending.append((dir[0], dir[4]))
1628
class InterDirStateTree(InterTree):
1629
"""Fast path optimiser for changes_from with dirstate trees.
1631
This is used only when both trees are in the dirstate working file, and
1632
the source is any parent within the dirstate, and the destination is
1633
the current working tree of the same dirstate.
1635
# this could be generalized to allow comparisons between any trees in the
1636
# dirstate, and possibly between trees stored in different dirstates.
1638
def __init__(self, source, target):
1639
super(InterDirStateTree, self).__init__(source, target)
1640
if not InterDirStateTree.is_compatible(source, target):
1641
raise Exception, "invalid source %r and target %r" % (source, target)
1644
def make_source_parent_tree(source, target):
1645
"""Change the source tree into a parent of the target."""
1646
revid = source.commit('record tree')
1647
target.branch.repository.fetch(source.branch.repository, revid)
1648
target.set_parent_ids([revid])
1649
return target.basis_tree(), target
1651
_matching_from_tree_format = WorkingTreeFormat4()
1652
_matching_to_tree_format = WorkingTreeFormat4()
1653
_test_mutable_trees_to_test_trees = make_source_parent_tree
1655
def _iter_changes(self, include_unchanged=False,
1656
specific_files=None, pb=None, extra_trees=[],
1657
require_versioned=True, want_unversioned=False):
1658
"""Return the changes from source to target.
1660
:return: An iterator that yields tuples. See InterTree._iter_changes
1662
:param specific_files: An optional list of file paths to restrict the
1663
comparison to. When mapping filenames to ids, all matches in all
1664
trees (including optional extra_trees) are used, and all children of
1665
matched directories are included.
1666
:param include_unchanged: An optional boolean requesting the inclusion of
1667
unchanged entries in the result.
1668
:param extra_trees: An optional list of additional trees to use when
1669
mapping the contents of specific_files (paths) to file_ids.
1670
:param require_versioned: If True, all files in specific_files must be
1671
versioned in one of source, target, extra_trees or
1672
PathsNotVersionedError is raised.
1673
:param want_unversioned: Should unversioned files be returned in the
1674
output. An unversioned file is defined as one with (False, False)
1675
for the versioned pair.
1677
utf8_decode = cache_utf8._utf8_decode
1678
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1679
# NB: show_status depends on being able to pass in non-versioned files
1680
# and report them as unknown
1681
# TODO: handle extra trees in the dirstate.
1682
# TODO: handle comparisons as an empty tree as a different special
1683
# case? mbp 20070226
1684
if extra_trees or (self.source._revision_id == NULL_REVISION):
1685
# we can't fast-path these cases (yet)
1686
for f in super(InterDirStateTree, self)._iter_changes(
1687
include_unchanged, specific_files, pb, extra_trees,
1688
require_versioned, want_unversioned=want_unversioned):
1691
parent_ids = self.target.get_parent_ids()
1692
assert (self.source._revision_id in parent_ids), \
1693
"revision {%s} is not stored in {%s}, but %s " \
1694
"can only be used for trees stored in the dirstate" \
1695
% (self.source._revision_id, self.target, self._iter_changes)
1697
if self.source._revision_id == NULL_REVISION:
1699
indices = (target_index,)
1701
assert (self.source._revision_id in parent_ids), \
1702
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1703
self.source._revision_id, parent_ids)
1704
source_index = 1 + parent_ids.index(self.source._revision_id)
1705
indices = (source_index,target_index)
1706
# -- make all specific_files utf8 --
1708
specific_files_utf8 = set()
1709
for path in specific_files:
1710
specific_files_utf8.add(path.encode('utf8'))
1711
specific_files = specific_files_utf8
1713
specific_files = set([''])
1714
# -- specific_files is now a utf8 path set --
1715
# -- get the state object and prepare it.
1716
state = self.target.current_dirstate()
1717
state._read_dirblocks_if_needed()
1718
def _entries_for_path(path):
1719
"""Return a list with all the entries that match path for all ids.
1721
dirname, basename = os.path.split(path)
1722
key = (dirname, basename, '')
1723
block_index, present = state._find_block_index_from_key(key)
1725
# the block which should contain path is absent.
1728
block = state._dirblocks[block_index][1]
1729
entry_index, _ = state._find_entry_index(key, block)
1730
# we may need to look at multiple entries at this path: walk while the specific_files match.
1731
while (entry_index < len(block) and
1732
block[entry_index][0][0:2] == key[0:2]):
1733
result.append(block[entry_index])
1736
if require_versioned:
1737
# -- check all supplied paths are versioned in a search tree. --
1738
all_versioned = True
1739
for path in specific_files:
1740
path_entries = _entries_for_path(path)
1741
if not path_entries:
1742
# this specified path is not present at all: error
1743
all_versioned = False
1745
found_versioned = False
1746
# for each id at this path
1747
for entry in path_entries:
1749
for index in indices:
1750
if entry[1][index][0] != 'a': # absent
1751
found_versioned = True
1752
# all good: found a versioned cell
1754
if not found_versioned:
1755
# none of the indexes was not 'absent' at all ids for this
1757
all_versioned = False
1759
if not all_versioned:
1760
raise errors.PathsNotVersionedError(specific_files)
1761
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1762
search_specific_files = set()
1763
for path in specific_files:
1764
other_specific_files = specific_files.difference(set([path]))
1765
if not osutils.is_inside_any(other_specific_files, path):
1766
# this is a top level path, we must check it.
1767
search_specific_files.add(path)
1769
# compare source_index and target_index at or under each element of search_specific_files.
1770
# follow the following comparison table. Note that we only want to do diff operations when
1771
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1775
# Source | Target | disk | action
1776
# r | fdlt | | add source to search, add id path move and perform
1777
# | | | diff check on source-target
1778
# r | fdlt | a | dangling file that was present in the basis.
1780
# r | a | | add source to search
1782
# r | r | | this path is present in a non-examined tree, skip.
1783
# r | r | a | this path is present in a non-examined tree, skip.
1784
# a | fdlt | | add new id
1785
# a | fdlt | a | dangling locally added file, skip
1786
# a | a | | not present in either tree, skip
1787
# a | a | a | not present in any tree, skip
1788
# a | r | | not present in either tree at this path, skip as it
1789
# | | | may not be selected by the users list of paths.
1790
# a | r | a | not present in either tree at this path, skip as it
1791
# | | | may not be selected by the users list of paths.
1792
# fdlt | fdlt | | content in both: diff them
1793
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1794
# fdlt | a | | unversioned: output deleted id for now
1795
# fdlt | a | a | unversioned and deleted: output deleted id
1796
# fdlt | r | | relocated in this tree, so add target to search.
1797
# | | | Dont diff, we will see an r,fd; pair when we reach
1798
# | | | this id at the other path.
1799
# fdlt | r | a | relocated in this tree, so add target to search.
1800
# | | | Dont diff, we will see an r,fd; pair when we reach
1801
# | | | this id at the other path.
1803
# for all search_indexs in each path at or under each element of
1804
# search_specific_files, if the detail is relocated: add the id, and add the
1805
# relocated path as one to search if its not searched already. If the
1806
# detail is not relocated, add the id.
1807
searched_specific_files = set()
1808
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1809
# Using a list so that we can access the values and change them in
1810
# nested scope. Each one is [path, file_id, entry]
1811
last_source_parent = [None, None]
1812
last_target_parent = [None, None]
1814
use_filesystem_for_exec = (sys.platform != 'win32')
1816
# Just a sentry, so that _process_entry can say that this
1817
# record is handled, but isn't interesting to process (unchanged)
1818
uninteresting = object()
1821
old_dirname_to_file_id = {}
1822
new_dirname_to_file_id = {}
1823
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1824
# keeping a cache of directories that we have seen.
1826
def _process_entry(entry, path_info):
1827
"""Compare an entry and real disk to generate delta information.
1829
:param path_info: top_relpath, basename, kind, lstat, abspath for
1830
the path of entry. If None, then the path is considered absent.
1831
(Perhaps we should pass in a concrete entry for this ?)
1832
Basename is returned as a utf8 string because we expect this
1833
tuple will be ignored, and don't want to take the time to
1835
:return: None if these don't match
1836
A tuple of information about the change, or
1837
the object 'uninteresting' if these match, but are
1838
basically identical.
1840
if source_index is None:
1841
source_details = NULL_PARENT_DETAILS
1843
source_details = entry[1][source_index]
1844
target_details = entry[1][target_index]
1845
target_minikind = target_details[0]
1846
if path_info is not None and target_minikind in 'fdlt':
1847
assert target_index == 0
1848
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1849
stat_value=path_info[3])
1850
# The entry may have been modified by update_entry
1851
target_details = entry[1][target_index]
1852
target_minikind = target_details[0]
1855
file_id = entry[0][2]
1856
source_minikind = source_details[0]
1857
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1858
# claimed content in both: diff
1859
# r | fdlt | | add source to search, add id path move and perform
1860
# | | | diff check on source-target
1861
# r | fdlt | a | dangling file that was present in the basis.
1863
if source_minikind in 'r':
1864
# add the source to the search path to find any children it
1865
# has. TODO ? : only add if it is a container ?
1866
if not osutils.is_inside_any(searched_specific_files,
1868
search_specific_files.add(source_details[1])
1869
# generate the old path; this is needed for stating later
1871
old_path = source_details[1]
1872
old_dirname, old_basename = os.path.split(old_path)
1873
path = pathjoin(entry[0][0], entry[0][1])
1874
old_entry = state._get_entry(source_index,
1876
# update the source details variable to be the real
1878
source_details = old_entry[1][source_index]
1879
source_minikind = source_details[0]
1881
old_dirname = entry[0][0]
1882
old_basename = entry[0][1]
1883
old_path = path = None
1884
if path_info is None:
1885
# the file is missing on disk, show as removed.
1886
content_change = True
1890
# source and target are both versioned and disk file is present.
1891
target_kind = path_info[2]
1892
if target_kind == 'directory':
1894
old_path = path = pathjoin(old_dirname, old_basename)
1895
new_dirname_to_file_id[path] = file_id
1896
if source_minikind != 'd':
1897
content_change = True
1899
# directories have no fingerprint
1900
content_change = False
1902
elif target_kind == 'file':
1903
if source_minikind != 'f':
1904
content_change = True
1906
# We could check the size, but we already have the
1908
content_change = (link_or_sha1 != source_details[1])
1909
# Target details is updated at update_entry time
1910
if use_filesystem_for_exec:
1911
# We don't need S_ISREG here, because we are sure
1912
# we are dealing with a file.
1913
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1915
target_exec = target_details[3]
1916
elif target_kind == 'symlink':
1917
if source_minikind != 'l':
1918
content_change = True
1920
content_change = (link_or_sha1 != source_details[1])
1922
elif target_kind == 'tree-reference':
1923
if source_minikind != 't':
1924
content_change = True
1926
content_change = False
1929
raise Exception, "unknown kind %s" % path_info[2]
1930
if source_minikind == 'd':
1932
old_path = path = pathjoin(old_dirname, old_basename)
1933
old_dirname_to_file_id[old_path] = file_id
1934
# parent id is the entry for the path in the target tree
1935
if old_dirname == last_source_parent[0]:
1936
source_parent_id = last_source_parent[1]
1939
source_parent_id = old_dirname_to_file_id[old_dirname]
1941
source_parent_entry = state._get_entry(source_index,
1942
path_utf8=old_dirname)
1943
source_parent_id = source_parent_entry[0][2]
1944
if source_parent_id == entry[0][2]:
1945
# This is the root, so the parent is None
1946
source_parent_id = None
1948
last_source_parent[0] = old_dirname
1949
last_source_parent[1] = source_parent_id
1950
new_dirname = entry[0][0]
1951
if new_dirname == last_target_parent[0]:
1952
target_parent_id = last_target_parent[1]
1955
target_parent_id = new_dirname_to_file_id[new_dirname]
1957
# TODO: We don't always need to do the lookup, because the
1958
# parent entry will be the same as the source entry.
1959
target_parent_entry = state._get_entry(target_index,
1960
path_utf8=new_dirname)
1961
assert target_parent_entry != (None, None), (
1962
"Could not find target parent in wt: %s\nparent of: %s"
1963
% (new_dirname, entry))
1964
target_parent_id = target_parent_entry[0][2]
1965
if target_parent_id == entry[0][2]:
1966
# This is the root, so the parent is None
1967
target_parent_id = None
1969
last_target_parent[0] = new_dirname
1970
last_target_parent[1] = target_parent_id
1972
source_exec = source_details[3]
1973
if (include_unchanged
1975
or source_parent_id != target_parent_id
1976
or old_basename != entry[0][1]
1977
or source_exec != target_exec
1979
if old_path is None:
1980
old_path = path = pathjoin(old_dirname, old_basename)
1981
old_path_u = utf8_decode(old_path)[0]
1984
old_path_u = utf8_decode(old_path)[0]
1985
if old_path == path:
1988
path_u = utf8_decode(path)[0]
1989
source_kind = _minikind_to_kind[source_minikind]
1990
return (entry[0][2],
1991
(old_path_u, path_u),
1994
(source_parent_id, target_parent_id),
1995
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
1996
(source_kind, target_kind),
1997
(source_exec, target_exec))
1999
return uninteresting
2000
elif source_minikind in 'a' and target_minikind in 'fdlt':
2001
# looks like a new file
2002
if path_info is not None:
2003
path = pathjoin(entry[0][0], entry[0][1])
2004
# parent id is the entry for the path in the target tree
2005
# TODO: these are the same for an entire directory: cache em.
2006
parent_id = state._get_entry(target_index,
2007
path_utf8=entry[0][0])[0][2]
2008
if parent_id == entry[0][2]:
2010
if use_filesystem_for_exec:
2011
# We need S_ISREG here, because we aren't sure if this
2014
stat.S_ISREG(path_info[3].st_mode)
2015
and stat.S_IEXEC & path_info[3].st_mode)
2017
target_exec = target_details[3]
2018
return (entry[0][2],
2019
(None, utf8_decode(path)[0]),
2023
(None, utf8_decode(entry[0][1])[0]),
2024
(None, path_info[2]),
2025
(None, target_exec))
2027
# but its not on disk: we deliberately treat this as just
2028
# never-present. (Why ?! - RBC 20070224)
2030
elif source_minikind in 'fdlt' and target_minikind in 'a':
2031
# unversioned, possibly, or possibly not deleted: we dont care.
2032
# if its still on disk, *and* theres no other entry at this
2033
# path [we dont know this in this routine at the moment -
2034
# perhaps we should change this - then it would be an unknown.
2035
old_path = pathjoin(entry[0][0], entry[0][1])
2036
# parent id is the entry for the path in the target tree
2037
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2038
if parent_id == entry[0][2]:
2040
return (entry[0][2],
2041
(utf8_decode(old_path)[0], None),
2045
(utf8_decode(entry[0][1])[0], None),
2046
(_minikind_to_kind[source_minikind], None),
2047
(source_details[3], None))
2048
elif source_minikind in 'fdlt' and target_minikind in 'r':
2049
# a rename; could be a true rename, or a rename inherited from
2050
# a renamed parent. TODO: handle this efficiently. Its not
2051
# common case to rename dirs though, so a correct but slow
2052
# implementation will do.
2053
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2054
search_specific_files.add(target_details[1])
2055
elif source_minikind in 'ra' and target_minikind in 'ra':
2056
# neither of the selected trees contain this file,
2057
# so skip over it. This is not currently directly tested, but
2058
# is indirectly via test_too_much.TestCommands.test_conflicts.
2061
raise AssertionError("don't know how to compare "
2062
"source_minikind=%r, target_minikind=%r"
2063
% (source_minikind, target_minikind))
2064
## import pdb;pdb.set_trace()
2067
while search_specific_files:
2068
# TODO: the pending list should be lexically sorted? the
2069
# interface doesn't require it.
2070
current_root = search_specific_files.pop()
2071
current_root_unicode = current_root.decode('utf8')
2072
searched_specific_files.add(current_root)
2073
# process the entries for this containing directory: the rest will be
2074
# found by their parents recursively.
2075
root_entries = _entries_for_path(current_root)
2076
root_abspath = self.target.abspath(current_root_unicode)
2078
root_stat = os.lstat(root_abspath)
2080
if e.errno == errno.ENOENT:
2081
# the path does not exist: let _process_entry know that.
2082
root_dir_info = None
2084
# some other random error: hand it up.
2087
root_dir_info = ('', current_root,
2088
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2090
if root_dir_info[2] == 'directory':
2091
if self.target._directory_is_tree_reference(
2092
current_root.decode('utf8')):
2093
root_dir_info = root_dir_info[:2] + \
2094
('tree-reference',) + root_dir_info[3:]
2096
if not root_entries and not root_dir_info:
2097
# this specified path is not present at all, skip it.
2099
path_handled = False
2100
for entry in root_entries:
2101
result = _process_entry(entry, root_dir_info)
2102
if result is not None:
2104
if result is not uninteresting:
2106
if want_unversioned and not path_handled and root_dir_info:
2107
new_executable = bool(
2108
stat.S_ISREG(root_dir_info[3].st_mode)
2109
and stat.S_IEXEC & root_dir_info[3].st_mode)
2111
(None, current_root_unicode),
2115
(None, splitpath(current_root_unicode)[-1]),
2116
(None, root_dir_info[2]),
2117
(None, new_executable)
2119
initial_key = (current_root, '', '')
2120
block_index, _ = state._find_block_index_from_key(initial_key)
2121
if block_index == 0:
2122
# we have processed the total root already, but because the
2123
# initial key matched it we should skip it here.
2125
if root_dir_info and root_dir_info[2] == 'tree-reference':
2126
current_dir_info = None
2128
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2130
current_dir_info = dir_iterator.next()
2132
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2133
# python 2.5 has e.errno == EINVAL,
2134
# and e.winerror == ERROR_DIRECTORY
2135
e_winerror = getattr(e, 'winerror', None)
2136
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2137
# there may be directories in the inventory even though
2138
# this path is not a file on disk: so mark it as end of
2140
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2141
current_dir_info = None
2142
elif (sys.platform == 'win32'
2143
and (e.errno in win_errors
2144
or e_winerror in win_errors)):
2145
current_dir_info = None
2149
if current_dir_info[0][0] == '':
2150
# remove .bzr from iteration
2151
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2152
assert current_dir_info[1][bzr_index][0] == '.bzr'
2153
del current_dir_info[1][bzr_index]
2154
# walk until both the directory listing and the versioned metadata
2156
if (block_index < len(state._dirblocks) and
2157
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2158
current_block = state._dirblocks[block_index]
2160
current_block = None
2161
while (current_dir_info is not None or
2162
current_block is not None):
2163
if (current_dir_info and current_block
2164
and current_dir_info[0][0] != current_block[0]):
2165
if current_dir_info[0][0].split('/') < current_block[0].split('/'):
2166
# filesystem data refers to paths not covered by the dirblock.
2167
# this has two possibilities:
2168
# A) it is versioned but empty, so there is no block for it
2169
# B) it is not versioned.
2171
# if (A) then we need to recurse into it to check for
2172
# new unknown files or directories.
2173
# if (B) then we should ignore it, because we don't
2174
# recurse into unknown directories.
2176
while path_index < len(current_dir_info[1]):
2177
current_path_info = current_dir_info[1][path_index]
2178
if want_unversioned:
2179
if current_path_info[2] == 'directory':
2180
if self.target._directory_is_tree_reference(
2181
current_path_info[0].decode('utf8')):
2182
current_path_info = current_path_info[:2] + \
2183
('tree-reference',) + current_path_info[3:]
2184
new_executable = bool(
2185
stat.S_ISREG(current_path_info[3].st_mode)
2186
and stat.S_IEXEC & current_path_info[3].st_mode)
2188
(None, utf8_decode(current_path_info[0])[0]),
2192
(None, utf8_decode(current_path_info[1])[0]),
2193
(None, current_path_info[2]),
2194
(None, new_executable))
2195
# dont descend into this unversioned path if it is
2197
if current_path_info[2] in ('directory',
2199
del current_dir_info[1][path_index]
2203
# This dir info has been handled, go to the next
2205
current_dir_info = dir_iterator.next()
2206
except StopIteration:
2207
current_dir_info = None
2209
# We have a dirblock entry for this location, but there
2210
# is no filesystem path for this. This is most likely
2211
# because a directory was removed from the disk.
2212
# We don't have to report the missing directory,
2213
# because that should have already been handled, but we
2214
# need to handle all of the files that are contained
2216
for current_entry in current_block[1]:
2217
# entry referring to file not present on disk.
2218
# advance the entry only, after processing.
2219
result = _process_entry(current_entry, None)
2220
if result is not None:
2221
if result is not uninteresting:
2224
if (block_index < len(state._dirblocks) and
2225
osutils.is_inside(current_root,
2226
state._dirblocks[block_index][0])):
2227
current_block = state._dirblocks[block_index]
2229
current_block = None
2232
if current_block and entry_index < len(current_block[1]):
2233
current_entry = current_block[1][entry_index]
2235
current_entry = None
2236
advance_entry = True
2238
if current_dir_info and path_index < len(current_dir_info[1]):
2239
current_path_info = current_dir_info[1][path_index]
2240
if current_path_info[2] == 'directory':
2241
if self.target._directory_is_tree_reference(
2242
current_path_info[0].decode('utf8')):
2243
current_path_info = current_path_info[:2] + \
2244
('tree-reference',) + current_path_info[3:]
2246
current_path_info = None
2248
path_handled = False
2249
while (current_entry is not None or
2250
current_path_info is not None):
2251
if current_entry is None:
2252
# the check for path_handled when the path is adnvaced
2253
# will yield this path if needed.
2255
elif current_path_info is None:
2256
# no path is fine: the per entry code will handle it.
2257
result = _process_entry(current_entry, current_path_info)
2258
if result is not None:
2259
if result is not uninteresting:
2261
elif (current_entry[0][1] != current_path_info[1]
2262
or current_entry[1][target_index][0] in 'ar'):
2263
# The current path on disk doesn't match the dirblock
2264
# record. Either the dirblock is marked as absent, or
2265
# the file on disk is not present at all in the
2266
# dirblock. Either way, report about the dirblock
2267
# entry, and let other code handle the filesystem one.
2268
if current_path_info[1].split('/') < current_entry[0][1].split('/'):
2269
# extra file on disk: pass for now, but only
2270
# increment the path, not the entry
2271
advance_entry = False
2273
# entry referring to file not present on disk.
2274
# advance the entry only, after processing.
2275
result = _process_entry(current_entry, None)
2276
if result is not None:
2277
if result is not uninteresting:
2279
advance_path = False
2281
result = _process_entry(current_entry, current_path_info)
2282
if result is not None:
2284
if result is not uninteresting:
2286
if advance_entry and current_entry is not None:
2288
if entry_index < len(current_block[1]):
2289
current_entry = current_block[1][entry_index]
2291
current_entry = None
2293
advance_entry = True # reset the advance flaga
2294
if advance_path and current_path_info is not None:
2295
if not path_handled:
2296
# unversioned in all regards
2297
if want_unversioned:
2298
new_executable = bool(
2299
stat.S_ISREG(current_path_info[3].st_mode)
2300
and stat.S_IEXEC & current_path_info[3].st_mode)
2302
(None, utf8_decode(current_path_info[0])[0]),
2306
(None, utf8_decode(current_path_info[1])[0]),
2307
(None, current_path_info[2]),
2308
(None, new_executable))
2309
# dont descend into this unversioned path if it is
2311
if current_path_info[2] in ('directory'):
2312
del current_dir_info[1][path_index]
2314
# dont descend the disk iterator into any tree
2316
if current_path_info[2] == 'tree-reference':
2317
del current_dir_info[1][path_index]
2320
if path_index < len(current_dir_info[1]):
2321
current_path_info = current_dir_info[1][path_index]
2322
if current_path_info[2] == 'directory':
2323
if self.target._directory_is_tree_reference(
2324
current_path_info[0].decode('utf8')):
2325
current_path_info = current_path_info[:2] + \
2326
('tree-reference',) + current_path_info[3:]
2328
current_path_info = None
2329
path_handled = False
2331
advance_path = True # reset the advance flagg.
2332
if current_block is not None:
2334
if (block_index < len(state._dirblocks) and
2335
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2336
current_block = state._dirblocks[block_index]
2338
current_block = None
2339
if current_dir_info is not None:
2341
current_dir_info = dir_iterator.next()
2342
except StopIteration:
2343
current_dir_info = None
2347
def is_compatible(source, target):
2348
# the target must be a dirstate working tree
2349
if not isinstance(target, WorkingTree4):
2351
# the source must be a revtreee or dirstate rev tree.
2352
if not isinstance(source,
2353
(revisiontree.RevisionTree, DirStateRevisionTree)):
2355
# the source revid must be in the target dirstate
2356
if not (source._revision_id == NULL_REVISION or
2357
source._revision_id in target.get_parent_ids()):
2358
# TODO: what about ghosts? it may well need to
2359
# check for them explicitly.
2363
InterTree.register_optimiser(InterDirStateTree)
2366
class Converter3to4(object):
2367
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2370
self.target_format = WorkingTreeFormat4()
2372
def convert(self, tree):
2373
# lock the control files not the tree, so that we dont get tree
2374
# on-unlock behaviours, and so that noone else diddles with the
2375
# tree during upgrade.
2376
tree._control_files.lock_write()
2378
tree.read_working_inventory()
2379
self.create_dirstate_data(tree)
2380
self.update_format(tree)
2381
self.remove_xml_files(tree)
2383
tree._control_files.unlock()
2385
def create_dirstate_data(self, tree):
2386
"""Create the dirstate based data for tree."""
2387
local_path = tree.bzrdir.get_workingtree_transport(None
2388
).local_abspath('dirstate')
2389
state = dirstate.DirState.from_tree(tree, local_path)
2393
def remove_xml_files(self, tree):
2394
"""Remove the oldformat 3 data."""
2395
transport = tree.bzrdir.get_workingtree_transport(None)
2396
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2397
'pending-merges', 'stat-cache']:
2399
transport.delete(path)
2400
except errors.NoSuchFile:
2401
# some files are optional - just deal.
2404
def update_format(self, tree):
2405
"""Change the format marker."""
2406
tree._control_files.put_utf8('format',
2407
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
