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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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revision as _mod_revision,
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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):
747
exc_info = sys.exc_info()
749
raise exc_info[0], exc_info[1], exc_info[2]
751
# perform the disk move first - its the most likely failure point.
753
from_rel_abs = self.abspath(from_rel)
754
to_rel_abs = self.abspath(to_rel)
756
osutils.rename(from_rel_abs, to_rel_abs)
758
raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
759
rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
761
# perform the rename in the inventory next if needed: its easy
765
from_entry = inv[from_id]
766
current_parent = from_entry.parent_id
767
inv.rename(from_id, to_dir_id, from_tail)
769
lambda: inv.rename(from_id, current_parent, from_tail))
770
# finally do the rename in the dirstate, which is a little
771
# tricky to rollback, but least likely to need it.
772
old_block_index, old_entry_index, dir_present, file_present = \
773
state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
774
old_block = state._dirblocks[old_block_index][1]
775
old_entry = old_block[old_entry_index]
776
from_key, old_entry_details = old_entry
777
cur_details = old_entry_details[0]
779
to_key = ((to_block[0],) + from_key[1:3])
780
minikind = cur_details[0]
781
move_one(old_entry, from_path_utf8=from_rel_utf8,
783
executable=cur_details[3],
784
fingerprint=cur_details[1],
785
packed_stat=cur_details[4],
789
to_path_utf8=to_rel_utf8)
792
def update_dirblock(from_dir, to_key, to_dir_utf8):
793
"""Recursively update all entries in this dirblock."""
794
assert from_dir != '', "renaming root not supported"
795
from_key = (from_dir, '')
796
from_block_idx, present = \
797
state._find_block_index_from_key(from_key)
799
# This is the old record, if it isn't present, then
800
# there is theoretically nothing to update.
801
# (Unless it isn't present because of lazy loading,
802
# but we don't do that yet)
804
from_block = state._dirblocks[from_block_idx]
805
to_block_index, to_entry_index, _, _ = \
806
state._get_block_entry_index(to_key[0], to_key[1], 0)
807
to_block_index = state._ensure_block(
808
to_block_index, to_entry_index, to_dir_utf8)
809
to_block = state._dirblocks[to_block_index]
811
# Grab a copy since move_one may update the list.
812
for entry in from_block[1][:]:
813
assert entry[0][0] == from_dir
814
cur_details = entry[1][0]
815
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
816
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
817
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
818
minikind = cur_details[0]
820
# Deleted children of a renamed directory
821
# Do not need to be updated.
822
# Children that have been renamed out of this
823
# directory should also not be updated
825
move_one(entry, from_path_utf8=from_path_utf8,
827
executable=cur_details[3],
828
fingerprint=cur_details[1],
829
packed_stat=cur_details[4],
833
to_path_utf8=to_path_utf8)
835
# We need to move all the children of this
837
update_dirblock(from_path_utf8, to_key,
839
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
843
result.append((from_rel, to_rel))
844
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
845
self._make_dirty(reset_inventory=False)
849
def _must_be_locked(self):
850
if not self._control_files._lock_count:
851
raise errors.ObjectNotLocked(self)
854
"""Initialize the state in this tree to be a new tree."""
858
def path2id(self, path):
859
"""Return the id for path in this tree."""
860
path = path.strip('/')
861
entry = self._get_entry(path=path)
862
if entry == (None, None):
866
def paths2ids(self, paths, trees=[], require_versioned=True):
867
"""See Tree.paths2ids().
869
This specialisation fast-paths the case where all the trees are in the
874
parents = self.get_parent_ids()
876
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
878
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
879
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
880
# -- make all paths utf8 --
883
paths_utf8.add(path.encode('utf8'))
885
# -- paths is now a utf8 path set --
886
# -- get the state object and prepare it.
887
state = self.current_dirstate()
888
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
889
and '' not in paths):
890
paths2ids = self._paths2ids_using_bisect
892
paths2ids = self._paths2ids_in_memory
893
return paths2ids(paths, search_indexes,
894
require_versioned=require_versioned)
896
def _paths2ids_in_memory(self, paths, search_indexes,
897
require_versioned=True):
898
state = self.current_dirstate()
899
state._read_dirblocks_if_needed()
900
def _entries_for_path(path):
901
"""Return a list with all the entries that match path for all ids.
903
dirname, basename = os.path.split(path)
904
key = (dirname, basename, '')
905
block_index, present = state._find_block_index_from_key(key)
907
# the block which should contain path is absent.
910
block = state._dirblocks[block_index][1]
911
entry_index, _ = state._find_entry_index(key, block)
912
# we may need to look at multiple entries at this path: walk while the paths match.
913
while (entry_index < len(block) and
914
block[entry_index][0][0:2] == key[0:2]):
915
result.append(block[entry_index])
918
if require_versioned:
919
# -- check all supplied paths are versioned in a search tree. --
922
path_entries = _entries_for_path(path)
924
# this specified path is not present at all: error
925
all_versioned = False
927
found_versioned = False
928
# for each id at this path
929
for entry in path_entries:
931
for index in search_indexes:
932
if entry[1][index][0] != 'a': # absent
933
found_versioned = True
934
# all good: found a versioned cell
936
if not found_versioned:
937
# none of the indexes was not 'absent' at all ids for this
939
all_versioned = False
941
if not all_versioned:
942
raise errors.PathsNotVersionedError(paths)
943
# -- remove redundancy in supplied paths to prevent over-scanning --
946
other_paths = paths.difference(set([path]))
947
if not osutils.is_inside_any(other_paths, path):
948
# this is a top level path, we must check it.
949
search_paths.add(path)
951
# for all search_indexs in each path at or under each element of
952
# search_paths, if the detail is relocated: add the id, and add the
953
# relocated path as one to search if its not searched already. If the
954
# detail is not relocated, add the id.
955
searched_paths = set()
957
def _process_entry(entry):
958
"""Look at search_indexes within entry.
960
If a specific tree's details are relocated, add the relocation
961
target to search_paths if not searched already. If it is absent, do
962
nothing. Otherwise add the id to found_ids.
964
for index in search_indexes:
965
if entry[1][index][0] == 'r': # relocated
966
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
967
search_paths.add(entry[1][index][1])
968
elif entry[1][index][0] != 'a': # absent
969
found_ids.add(entry[0][2])
971
current_root = search_paths.pop()
972
searched_paths.add(current_root)
973
# process the entries for this containing directory: the rest will be
974
# found by their parents recursively.
975
root_entries = _entries_for_path(current_root)
977
# this specified path is not present at all, skip it.
979
for entry in root_entries:
980
_process_entry(entry)
981
initial_key = (current_root, '', '')
982
block_index, _ = state._find_block_index_from_key(initial_key)
983
while (block_index < len(state._dirblocks) and
984
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
985
for entry in state._dirblocks[block_index][1]:
986
_process_entry(entry)
990
def _paths2ids_using_bisect(self, paths, search_indexes,
991
require_versioned=True):
992
state = self.current_dirstate()
995
split_paths = sorted(osutils.split(p) for p in paths)
996
found = state._bisect_recursive(split_paths)
998
if require_versioned:
999
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
1000
for dir_name in split_paths:
1001
if dir_name not in found_dir_names:
1002
raise errors.PathsNotVersionedError(paths)
1004
for dir_name_id, trees_info in found.iteritems():
1005
for index in search_indexes:
1006
if trees_info[index][0] not in ('r', 'a'):
1007
found_ids.add(dir_name_id[2])
1010
def read_working_inventory(self):
1011
"""Read the working inventory.
1013
This is a meaningless operation for dirstate, but we obey it anyhow.
1015
return self.inventory
1018
def revision_tree(self, revision_id):
1019
"""See Tree.revision_tree.
1021
WorkingTree4 supplies revision_trees for any basis tree.
1023
revision_id = osutils.safe_revision_id(revision_id)
1024
dirstate = self.current_dirstate()
1025
parent_ids = dirstate.get_parent_ids()
1026
if revision_id not in parent_ids:
1027
raise errors.NoSuchRevisionInTree(self, revision_id)
1028
if revision_id in dirstate.get_ghosts():
1029
raise errors.NoSuchRevisionInTree(self, revision_id)
1030
return DirStateRevisionTree(dirstate, revision_id,
1031
self.branch.repository)
1033
@needs_tree_write_lock
1034
def set_last_revision(self, new_revision):
1035
"""Change the last revision in the working tree."""
1036
new_revision = osutils.safe_revision_id(new_revision)
1037
parents = self.get_parent_ids()
1038
if new_revision in (NULL_REVISION, None):
1039
assert len(parents) < 2, (
1040
"setting the last parent to none with a pending merge is "
1042
self.set_parent_ids([])
1044
self.set_parent_ids([new_revision] + parents[1:],
1045
allow_leftmost_as_ghost=True)
1047
@needs_tree_write_lock
1048
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1049
"""Set the parent ids to revision_ids.
1051
See also set_parent_trees. This api will try to retrieve the tree data
1052
for each element of revision_ids from the trees repository. If you have
1053
tree data already available, it is more efficient to use
1054
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1055
an easier API to use.
1057
:param revision_ids: The revision_ids to set as the parent ids of this
1058
working tree. Any of these may be ghosts.
1060
revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
1062
for revision_id in revision_ids:
1064
revtree = self.branch.repository.revision_tree(revision_id)
1065
# TODO: jam 20070213 KnitVersionedFile raises
1066
# RevisionNotPresent rather than NoSuchRevision if a
1067
# given revision_id is not present. Should Repository be
1068
# catching it and re-raising NoSuchRevision?
1069
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1071
trees.append((revision_id, revtree))
1072
self.set_parent_trees(trees,
1073
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1075
@needs_tree_write_lock
1076
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1077
"""Set the parents of the working tree.
1079
:param parents_list: A list of (revision_id, tree) tuples.
1080
If tree is None, then that element is treated as an unreachable
1081
parent tree - i.e. a ghost.
1083
dirstate = self.current_dirstate()
1084
if len(parents_list) > 0:
1085
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1086
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1089
# convert absent trees to the null tree, which we convert back to
1090
# missing on access.
1091
for rev_id, tree in parents_list:
1092
rev_id = osutils.safe_revision_id(rev_id)
1093
_mod_revision.check_not_reserved_id(rev_id)
1094
if tree is not None:
1095
real_trees.append((rev_id, tree))
1097
real_trees.append((rev_id,
1098
self.branch.repository.revision_tree(None)))
1099
ghosts.append(rev_id)
1100
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1101
self._make_dirty(reset_inventory=False)
1103
def _set_root_id(self, file_id):
1104
"""See WorkingTree.set_root_id."""
1105
state = self.current_dirstate()
1106
state.set_path_id('', file_id)
1107
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1108
self._make_dirty(reset_inventory=True)
1111
def supports_tree_reference(self):
1112
return self._repo_supports_tree_reference
1115
"""Unlock in format 4 trees needs to write the entire dirstate."""
1116
if self._control_files._lock_count == 1:
1117
# eventually we should do signature checking during read locks for
1119
if self._control_files._lock_mode == 'w':
1122
if self._dirstate is not None:
1123
# This is a no-op if there are no modifications.
1124
self._dirstate.save()
1125
self._dirstate.unlock()
1126
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1127
# point. Instead, it could check if the header has been
1128
# modified when it is locked, and if not, it can hang on to
1129
# the data it has in memory.
1130
self._dirstate = None
1131
self._inventory = None
1132
# reverse order of locking.
1134
return self._control_files.unlock()
1136
self.branch.unlock()
1138
@needs_tree_write_lock
1139
def unversion(self, file_ids):
1140
"""Remove the file ids in file_ids from the current versioned set.
1142
When a file_id is unversioned, all of its children are automatically
1145
:param file_ids: The file ids to stop versioning.
1146
:raises: NoSuchId if any fileid is not currently versioned.
1150
state = self.current_dirstate()
1151
state._read_dirblocks_if_needed()
1152
ids_to_unversion = set()
1153
for file_id in file_ids:
1154
ids_to_unversion.add(osutils.safe_file_id(file_id))
1155
paths_to_unversion = set()
1157
# check if the root is to be unversioned, if so, assert for now.
1158
# walk the state marking unversioned things as absent.
1159
# if there are any un-unversioned ids at the end, raise
1160
for key, details in state._dirblocks[0][1]:
1161
if (details[0][0] not in ('a', 'r') and # absent or relocated
1162
key[2] in ids_to_unversion):
1163
# I haven't written the code to unversion / yet - it should be
1165
raise errors.BzrError('Unversioning the / is not currently supported')
1167
while block_index < len(state._dirblocks):
1168
# process one directory at a time.
1169
block = state._dirblocks[block_index]
1170
# first check: is the path one to remove - it or its children
1171
delete_block = False
1172
for path in paths_to_unversion:
1173
if (block[0].startswith(path) and
1174
(len(block[0]) == len(path) or
1175
block[0][len(path)] == '/')):
1176
# this entire block should be deleted - its the block for a
1177
# path to unversion; or the child of one
1180
# TODO: trim paths_to_unversion as we pass by paths
1182
# this block is to be deleted: process it.
1183
# TODO: we can special case the no-parents case and
1184
# just forget the whole block.
1186
while entry_index < len(block[1]):
1187
# Mark this file id as having been removed
1188
entry = block[1][entry_index]
1189
ids_to_unversion.discard(entry[0][2])
1190
if (entry[1][0][0] == 'a'
1191
or not state._make_absent(entry)):
1193
# go to the next block. (At the moment we dont delete empty
1198
while entry_index < len(block[1]):
1199
entry = block[1][entry_index]
1200
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1201
# ^ some parent row.
1202
entry[0][2] not in ids_to_unversion):
1203
# ^ not an id to unversion
1206
if entry[1][0][0] == 'd':
1207
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1208
if not state._make_absent(entry):
1210
# we have unversioned this id
1211
ids_to_unversion.remove(entry[0][2])
1213
if ids_to_unversion:
1214
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1215
self._make_dirty(reset_inventory=False)
1216
# have to change the legacy inventory too.
1217
if self._inventory is not None:
1218
for file_id in file_ids:
1219
self._inventory.remove_recursive_id(file_id)
1222
def _validate(self):
1223
self._dirstate._validate()
1225
@needs_tree_write_lock
1226
def _write_inventory(self, inv):
1227
"""Write inventory as the current inventory."""
1228
assert not self._dirty, "attempting to write an inventory when the dirstate is dirty will cause data loss"
1229
self.current_dirstate().set_state_from_inventory(inv)
1230
self._make_dirty(reset_inventory=False)
1231
if self._inventory is not None:
1232
self._inventory = inv
1236
class WorkingTreeFormat4(WorkingTreeFormat3):
1237
"""The first consolidated dirstate working tree format.
1240
- exists within a metadir controlling .bzr
1241
- includes an explicit version marker for the workingtree control
1242
files, separate from the BzrDir format
1243
- modifies the hash cache format
1244
- is new in bzr 0.15
1245
- uses a LockDir to guard access to it.
1248
upgrade_recommended = False
1250
def get_format_string(self):
1251
"""See WorkingTreeFormat.get_format_string()."""
1252
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1254
def get_format_description(self):
1255
"""See WorkingTreeFormat.get_format_description()."""
1256
return "Working tree format 4"
1258
def initialize(self, a_bzrdir, revision_id=None):
1259
"""See WorkingTreeFormat.initialize().
1261
:param revision_id: allows creating a working tree at a different
1262
revision than the branch is at.
1264
These trees get an initial random root id, if their repository supports
1265
rich root data, TREE_ROOT otherwise.
1267
revision_id = osutils.safe_revision_id(revision_id)
1268
if not isinstance(a_bzrdir.transport, LocalTransport):
1269
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1270
transport = a_bzrdir.get_workingtree_transport(self)
1271
control_files = self._open_control_files(a_bzrdir)
1272
control_files.create_lock()
1273
control_files.lock_write()
1274
control_files.put_utf8('format', self.get_format_string())
1275
branch = a_bzrdir.open_branch()
1276
if revision_id is None:
1277
revision_id = branch.last_revision()
1278
local_path = transport.local_abspath('dirstate')
1279
# write out new dirstate (must exist when we create the tree)
1280
state = dirstate.DirState.initialize(local_path)
1283
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1287
_control_files=control_files)
1289
wt.lock_tree_write()
1291
if revision_id in (None, NULL_REVISION):
1292
if branch.repository.supports_rich_root():
1293
wt._set_root_id(generate_ids.gen_root_id())
1295
wt._set_root_id(ROOT_ID)
1297
wt.set_last_revision(revision_id)
1299
basis = wt.basis_tree()
1301
# if the basis has a root id we have to use that; otherwise we use
1303
basis_root_id = basis.get_root_id()
1304
if basis_root_id is not None:
1305
wt._set_root_id(basis_root_id)
1307
transform.build_tree(basis, wt)
1310
control_files.unlock()
1314
def _open(self, a_bzrdir, control_files):
1315
"""Open the tree itself.
1317
:param a_bzrdir: the dir for the tree.
1318
:param control_files: the control files for the tree.
1320
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1321
branch=a_bzrdir.open_branch(),
1324
_control_files=control_files)
1326
def __get_matchingbzrdir(self):
1327
# please test against something that will let us do tree references
1328
return bzrdir.format_registry.make_bzrdir(
1329
'dirstate-with-subtree')
1331
_matchingbzrdir = property(__get_matchingbzrdir)
1334
class DirStateRevisionTree(Tree):
1335
"""A revision tree pulling the inventory from a dirstate."""
1337
def __init__(self, dirstate, revision_id, repository):
1338
self._dirstate = dirstate
1339
self._revision_id = osutils.safe_revision_id(revision_id)
1340
self._repository = repository
1341
self._inventory = None
1343
self._dirstate_locked = False
1346
return "<%s of %s in %s>" % \
1347
(self.__class__.__name__, self._revision_id, self._dirstate)
1349
def annotate_iter(self, file_id,
1350
default_revision=_mod_revision.CURRENT_REVISION):
1351
"""See Tree.annotate_iter"""
1352
w = self._get_weave(file_id)
1353
return w.annotate_iter(self.inventory[file_id].revision)
1355
def _get_ancestors(self, default_revision):
1356
return set(self._repository.get_ancestry(self._revision_id,
1358
def _comparison_data(self, entry, path):
1359
"""See Tree._comparison_data."""
1361
return None, False, None
1362
# trust the entry as RevisionTree does, but this may not be
1363
# sensible: the entry might not have come from us?
1364
return entry.kind, entry.executable, None
1366
def _file_size(self, entry, stat_value):
1367
return entry.text_size
1369
def filter_unversioned_files(self, paths):
1370
"""Filter out paths that are not versioned.
1372
:return: set of paths.
1374
pred = self.has_filename
1375
return set((p for p in paths if not pred(p)))
1377
def get_root_id(self):
1378
return self.path2id('')
1380
def _get_parent_index(self):
1381
"""Return the index in the dirstate referenced by this tree."""
1382
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1384
def _get_entry(self, file_id=None, path=None):
1385
"""Get the dirstate row for file_id or path.
1387
If either file_id or path is supplied, it is used as the key to lookup.
1388
If both are supplied, the fastest lookup is used, and an error is
1389
raised if they do not both point at the same row.
1391
:param file_id: An optional unicode file_id to be looked up.
1392
:param path: An optional unicode path to be looked up.
1393
:return: The dirstate row tuple for path/file_id, or (None, None)
1395
if file_id is None and path is None:
1396
raise errors.BzrError('must supply file_id or path')
1397
file_id = osutils.safe_file_id(file_id)
1398
if path is not None:
1399
path = path.encode('utf8')
1400
parent_index = self._get_parent_index()
1401
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1403
def _generate_inventory(self):
1404
"""Create and set self.inventory from the dirstate object.
1406
(So this is only called the first time the inventory is requested for
1407
this tree; it then remains in memory until it's out of date.)
1409
This is relatively expensive: we have to walk the entire dirstate.
1411
assert self._locked, 'cannot generate inventory of an unlocked '\
1412
'dirstate revision tree'
1413
# separate call for profiling - makes it clear where the costs are.
1414
self._dirstate._read_dirblocks_if_needed()
1415
assert self._revision_id in self._dirstate.get_parent_ids(), \
1416
'parent %s has disappeared from %s' % (
1417
self._revision_id, self._dirstate.get_parent_ids())
1418
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1419
# This is identical now to the WorkingTree _generate_inventory except
1420
# for the tree index use.
1421
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1422
current_id = root_key[2]
1423
assert current_entry[parent_index][0] == 'd'
1424
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1425
inv.root.revision = current_entry[parent_index][4]
1426
# Turn some things into local variables
1427
minikind_to_kind = dirstate.DirState._minikind_to_kind
1428
factory = entry_factory
1429
utf8_decode = cache_utf8._utf8_decode
1430
inv_byid = inv._byid
1431
# we could do this straight out of the dirstate; it might be fast
1432
# and should be profiled - RBC 20070216
1433
parent_ies = {'' : inv.root}
1434
for block in self._dirstate._dirblocks[1:]: #skip root
1437
parent_ie = parent_ies[dirname]
1439
# all the paths in this block are not versioned in this tree
1441
for key, entry in block[1]:
1442
minikind, fingerprint, size, executable, revid = entry[parent_index]
1443
if minikind in ('a', 'r'): # absent, relocated
1447
name_unicode = utf8_decode(name)[0]
1449
kind = minikind_to_kind[minikind]
1450
inv_entry = factory[kind](file_id, name_unicode,
1452
inv_entry.revision = revid
1454
inv_entry.executable = executable
1455
inv_entry.text_size = size
1456
inv_entry.text_sha1 = fingerprint
1457
elif kind == 'directory':
1458
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1459
elif kind == 'symlink':
1460
inv_entry.executable = False
1461
inv_entry.text_size = None
1462
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1463
elif kind == 'tree-reference':
1464
inv_entry.reference_revision = fingerprint or None
1466
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1468
# These checks cost us around 40ms on a 55k entry tree
1469
assert file_id not in inv_byid
1470
assert name_unicode not in parent_ie.children
1471
inv_byid[file_id] = inv_entry
1472
parent_ie.children[name_unicode] = inv_entry
1473
self._inventory = inv
1475
def get_file_mtime(self, file_id, path=None):
1476
"""Return the modification time for this record.
1478
We return the timestamp of the last-changed revision.
1480
# Make sure the file exists
1481
entry = self._get_entry(file_id, path=path)
1482
if entry == (None, None): # do we raise?
1484
parent_index = self._get_parent_index()
1485
last_changed_revision = entry[1][parent_index][4]
1486
return self._repository.get_revision(last_changed_revision).timestamp
1488
def get_file_sha1(self, file_id, path=None, stat_value=None):
1489
entry = self._get_entry(file_id=file_id, path=path)
1490
parent_index = self._get_parent_index()
1491
parent_details = entry[1][parent_index]
1492
if parent_details[0] == 'f':
1493
return parent_details[1]
1496
@symbol_versioning.deprecated_method(symbol_versioning.zero_nineteen)
1497
def get_weave(self, file_id):
1498
return self._get_weave(file_id)
1500
def _get_weave(self, file_id):
1501
return self._repository.weave_store.get_weave(file_id,
1502
self._repository.get_transaction())
1504
def get_file(self, file_id):
1505
return StringIO(self.get_file_text(file_id))
1507
def get_file_lines(self, file_id):
1508
ie = self.inventory[file_id]
1509
return self._get_weave(file_id).get_lines(ie.revision)
1511
def get_file_size(self, file_id):
1512
return self.inventory[file_id].text_size
1514
def get_file_text(self, file_id):
1515
return ''.join(self.get_file_lines(file_id))
1517
def get_reference_revision(self, file_id, path=None):
1518
return self.inventory[file_id].reference_revision
1520
def get_symlink_target(self, file_id):
1521
entry = self._get_entry(file_id=file_id)
1522
parent_index = self._get_parent_index()
1523
if entry[1][parent_index][0] != 'l':
1526
# At present, none of the tree implementations supports non-ascii
1527
# symlink targets. So we will just assume that the dirstate path is
1529
return entry[1][parent_index][1]
1531
def get_revision_id(self):
1532
"""Return the revision id for this tree."""
1533
return self._revision_id
1535
def _get_inventory(self):
1536
if self._inventory is not None:
1537
return self._inventory
1538
self._must_be_locked()
1539
self._generate_inventory()
1540
return self._inventory
1542
inventory = property(_get_inventory,
1543
doc="Inventory of this Tree")
1545
def get_parent_ids(self):
1546
"""The parents of a tree in the dirstate are not cached."""
1547
return self._repository.get_revision(self._revision_id).parent_ids
1549
def has_filename(self, filename):
1550
return bool(self.path2id(filename))
1552
def kind(self, file_id):
1553
return self.inventory[file_id].kind
1555
def is_executable(self, file_id, path=None):
1556
ie = self.inventory[file_id]
1557
if ie.kind != "file":
1559
return ie.executable
1561
def list_files(self, include_root=False):
1562
# We use a standard implementation, because DirStateRevisionTree is
1563
# dealing with one of the parents of the current state
1564
inv = self._get_inventory()
1565
entries = inv.iter_entries()
1566
if self.inventory.root is not None and not include_root:
1568
for path, entry in entries:
1569
yield path, 'V', entry.kind, entry.file_id, entry
1571
def lock_read(self):
1572
"""Lock the tree for a set of operations."""
1573
if not self._locked:
1574
self._repository.lock_read()
1575
if self._dirstate._lock_token is None:
1576
self._dirstate.lock_read()
1577
self._dirstate_locked = True
1580
def _must_be_locked(self):
1581
if not self._locked:
1582
raise errors.ObjectNotLocked(self)
1585
def path2id(self, path):
1586
"""Return the id for path in this tree."""
1587
# lookup by path: faster than splitting and walking the ivnentory.
1588
entry = self._get_entry(path=path)
1589
if entry == (None, None):
1594
"""Unlock, freeing any cache memory used during the lock."""
1595
# outside of a lock, the inventory is suspect: release it.
1597
if not self._locked:
1598
self._inventory = None
1600
if self._dirstate_locked:
1601
self._dirstate.unlock()
1602
self._dirstate_locked = False
1603
self._repository.unlock()
1605
def walkdirs(self, prefix=""):
1606
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1607
# implementation based on an inventory.
1608
# This should be cleaned up to use the much faster Dirstate code
1609
# So for now, we just build up the parent inventory, and extract
1610
# it the same way RevisionTree does.
1611
_directory = 'directory'
1612
inv = self._get_inventory()
1613
top_id = inv.path2id(prefix)
1617
pending = [(prefix, top_id)]
1620
relpath, file_id = pending.pop()
1621
# 0 - relpath, 1- file-id
1623
relroot = relpath + '/'
1626
# FIXME: stash the node in pending
1627
entry = inv[file_id]
1628
for name, child in entry.sorted_children():
1629
toppath = relroot + name
1630
dirblock.append((toppath, name, child.kind, None,
1631
child.file_id, child.kind
1633
yield (relpath, entry.file_id), dirblock
1634
# push the user specified dirs from dirblock
1635
for dir in reversed(dirblock):
1636
if dir[2] == _directory:
1637
pending.append((dir[0], dir[4]))
1640
class InterDirStateTree(InterTree):
1641
"""Fast path optimiser for changes_from with dirstate trees.
1643
This is used only when both trees are in the dirstate working file, and
1644
the source is any parent within the dirstate, and the destination is
1645
the current working tree of the same dirstate.
1647
# this could be generalized to allow comparisons between any trees in the
1648
# dirstate, and possibly between trees stored in different dirstates.
1650
def __init__(self, source, target):
1651
super(InterDirStateTree, self).__init__(source, target)
1652
if not InterDirStateTree.is_compatible(source, target):
1653
raise Exception, "invalid source %r and target %r" % (source, target)
1656
def make_source_parent_tree(source, target):
1657
"""Change the source tree into a parent of the target."""
1658
revid = source.commit('record tree')
1659
target.branch.repository.fetch(source.branch.repository, revid)
1660
target.set_parent_ids([revid])
1661
return target.basis_tree(), target
1663
_matching_from_tree_format = WorkingTreeFormat4()
1664
_matching_to_tree_format = WorkingTreeFormat4()
1665
_test_mutable_trees_to_test_trees = make_source_parent_tree
1667
def _iter_changes(self, include_unchanged=False,
1668
specific_files=None, pb=None, extra_trees=[],
1669
require_versioned=True, want_unversioned=False):
1670
"""Return the changes from source to target.
1672
:return: An iterator that yields tuples. See InterTree._iter_changes
1674
:param specific_files: An optional list of file paths to restrict the
1675
comparison to. When mapping filenames to ids, all matches in all
1676
trees (including optional extra_trees) are used, and all children of
1677
matched directories are included.
1678
:param include_unchanged: An optional boolean requesting the inclusion of
1679
unchanged entries in the result.
1680
:param extra_trees: An optional list of additional trees to use when
1681
mapping the contents of specific_files (paths) to file_ids.
1682
:param require_versioned: If True, all files in specific_files must be
1683
versioned in one of source, target, extra_trees or
1684
PathsNotVersionedError is raised.
1685
:param want_unversioned: Should unversioned files be returned in the
1686
output. An unversioned file is defined as one with (False, False)
1687
for the versioned pair.
1689
utf8_decode = cache_utf8._utf8_decode
1690
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1691
# NB: show_status depends on being able to pass in non-versioned files
1692
# and report them as unknown
1693
# TODO: handle extra trees in the dirstate.
1694
# TODO: handle comparisons as an empty tree as a different special
1695
# case? mbp 20070226
1696
if extra_trees or (self.source._revision_id == NULL_REVISION):
1697
# we can't fast-path these cases (yet)
1698
for f in super(InterDirStateTree, self)._iter_changes(
1699
include_unchanged, specific_files, pb, extra_trees,
1700
require_versioned, want_unversioned=want_unversioned):
1703
parent_ids = self.target.get_parent_ids()
1704
assert (self.source._revision_id in parent_ids), \
1705
"revision {%s} is not stored in {%s}, but %s " \
1706
"can only be used for trees stored in the dirstate" \
1707
% (self.source._revision_id, self.target, self._iter_changes)
1709
if self.source._revision_id == NULL_REVISION:
1711
indices = (target_index,)
1713
assert (self.source._revision_id in parent_ids), \
1714
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1715
self.source._revision_id, parent_ids)
1716
source_index = 1 + parent_ids.index(self.source._revision_id)
1717
indices = (source_index,target_index)
1718
# -- make all specific_files utf8 --
1720
specific_files_utf8 = set()
1721
for path in specific_files:
1722
specific_files_utf8.add(path.encode('utf8'))
1723
specific_files = specific_files_utf8
1725
specific_files = set([''])
1726
# -- specific_files is now a utf8 path set --
1727
# -- get the state object and prepare it.
1728
state = self.target.current_dirstate()
1729
state._read_dirblocks_if_needed()
1730
def _entries_for_path(path):
1731
"""Return a list with all the entries that match path for all ids.
1733
dirname, basename = os.path.split(path)
1734
key = (dirname, basename, '')
1735
block_index, present = state._find_block_index_from_key(key)
1737
# the block which should contain path is absent.
1740
block = state._dirblocks[block_index][1]
1741
entry_index, _ = state._find_entry_index(key, block)
1742
# we may need to look at multiple entries at this path: walk while the specific_files match.
1743
while (entry_index < len(block) and
1744
block[entry_index][0][0:2] == key[0:2]):
1745
result.append(block[entry_index])
1748
if require_versioned:
1749
# -- check all supplied paths are versioned in a search tree. --
1750
all_versioned = True
1751
for path in specific_files:
1752
path_entries = _entries_for_path(path)
1753
if not path_entries:
1754
# this specified path is not present at all: error
1755
all_versioned = False
1757
found_versioned = False
1758
# for each id at this path
1759
for entry in path_entries:
1761
for index in indices:
1762
if entry[1][index][0] != 'a': # absent
1763
found_versioned = True
1764
# all good: found a versioned cell
1766
if not found_versioned:
1767
# none of the indexes was not 'absent' at all ids for this
1769
all_versioned = False
1771
if not all_versioned:
1772
raise errors.PathsNotVersionedError(specific_files)
1773
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1774
search_specific_files = set()
1775
for path in specific_files:
1776
other_specific_files = specific_files.difference(set([path]))
1777
if not osutils.is_inside_any(other_specific_files, path):
1778
# this is a top level path, we must check it.
1779
search_specific_files.add(path)
1781
# compare source_index and target_index at or under each element of search_specific_files.
1782
# follow the following comparison table. Note that we only want to do diff operations when
1783
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1787
# Source | Target | disk | action
1788
# r | fdlt | | add source to search, add id path move and perform
1789
# | | | diff check on source-target
1790
# r | fdlt | a | dangling file that was present in the basis.
1792
# r | a | | add source to search
1794
# r | r | | this path is present in a non-examined tree, skip.
1795
# r | r | a | this path is present in a non-examined tree, skip.
1796
# a | fdlt | | add new id
1797
# a | fdlt | a | dangling locally added file, skip
1798
# a | a | | not present in either tree, skip
1799
# a | a | a | not present in any tree, skip
1800
# a | r | | not present in either tree at this path, skip as it
1801
# | | | may not be selected by the users list of paths.
1802
# a | r | a | not present in either tree at this path, skip as it
1803
# | | | may not be selected by the users list of paths.
1804
# fdlt | fdlt | | content in both: diff them
1805
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1806
# fdlt | a | | unversioned: output deleted id for now
1807
# fdlt | a | a | unversioned and deleted: output deleted id
1808
# fdlt | r | | relocated in this tree, so add target to search.
1809
# | | | Dont diff, we will see an r,fd; pair when we reach
1810
# | | | this id at the other path.
1811
# fdlt | r | a | relocated in this tree, so add target to search.
1812
# | | | Dont diff, we will see an r,fd; pair when we reach
1813
# | | | this id at the other path.
1815
# for all search_indexs in each path at or under each element of
1816
# search_specific_files, if the detail is relocated: add the id, and add the
1817
# relocated path as one to search if its not searched already. If the
1818
# detail is not relocated, add the id.
1819
searched_specific_files = set()
1820
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1821
# Using a list so that we can access the values and change them in
1822
# nested scope. Each one is [path, file_id, entry]
1823
last_source_parent = [None, None]
1824
last_target_parent = [None, None]
1826
use_filesystem_for_exec = (sys.platform != 'win32')
1828
# Just a sentry, so that _process_entry can say that this
1829
# record is handled, but isn't interesting to process (unchanged)
1830
uninteresting = object()
1833
old_dirname_to_file_id = {}
1834
new_dirname_to_file_id = {}
1835
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1836
# keeping a cache of directories that we have seen.
1838
def _process_entry(entry, path_info):
1839
"""Compare an entry and real disk to generate delta information.
1841
:param path_info: top_relpath, basename, kind, lstat, abspath for
1842
the path of entry. If None, then the path is considered absent.
1843
(Perhaps we should pass in a concrete entry for this ?)
1844
Basename is returned as a utf8 string because we expect this
1845
tuple will be ignored, and don't want to take the time to
1847
:return: None if these don't match
1848
A tuple of information about the change, or
1849
the object 'uninteresting' if these match, but are
1850
basically identical.
1852
if source_index is None:
1853
source_details = NULL_PARENT_DETAILS
1855
source_details = entry[1][source_index]
1856
target_details = entry[1][target_index]
1857
target_minikind = target_details[0]
1858
if path_info is not None and target_minikind in 'fdlt':
1859
assert target_index == 0
1860
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1861
stat_value=path_info[3])
1862
# The entry may have been modified by update_entry
1863
target_details = entry[1][target_index]
1864
target_minikind = target_details[0]
1867
file_id = entry[0][2]
1868
source_minikind = source_details[0]
1869
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1870
# claimed content in both: diff
1871
# r | fdlt | | add source to search, add id path move and perform
1872
# | | | diff check on source-target
1873
# r | fdlt | a | dangling file that was present in the basis.
1875
if source_minikind in 'r':
1876
# add the source to the search path to find any children it
1877
# has. TODO ? : only add if it is a container ?
1878
if not osutils.is_inside_any(searched_specific_files,
1880
search_specific_files.add(source_details[1])
1881
# generate the old path; this is needed for stating later
1883
old_path = source_details[1]
1884
old_dirname, old_basename = os.path.split(old_path)
1885
path = pathjoin(entry[0][0], entry[0][1])
1886
old_entry = state._get_entry(source_index,
1888
# update the source details variable to be the real
1890
source_details = old_entry[1][source_index]
1891
source_minikind = source_details[0]
1893
old_dirname = entry[0][0]
1894
old_basename = entry[0][1]
1895
old_path = path = None
1896
if path_info is None:
1897
# the file is missing on disk, show as removed.
1898
content_change = True
1902
# source and target are both versioned and disk file is present.
1903
target_kind = path_info[2]
1904
if target_kind == 'directory':
1906
old_path = path = pathjoin(old_dirname, old_basename)
1907
new_dirname_to_file_id[path] = file_id
1908
if source_minikind != 'd':
1909
content_change = True
1911
# directories have no fingerprint
1912
content_change = False
1914
elif target_kind == 'file':
1915
if source_minikind != 'f':
1916
content_change = True
1918
# We could check the size, but we already have the
1920
content_change = (link_or_sha1 != source_details[1])
1921
# Target details is updated at update_entry time
1922
if use_filesystem_for_exec:
1923
# We don't need S_ISREG here, because we are sure
1924
# we are dealing with a file.
1925
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1927
target_exec = target_details[3]
1928
elif target_kind == 'symlink':
1929
if source_minikind != 'l':
1930
content_change = True
1932
content_change = (link_or_sha1 != source_details[1])
1934
elif target_kind == 'tree-reference':
1935
if source_minikind != 't':
1936
content_change = True
1938
content_change = False
1941
raise Exception, "unknown kind %s" % path_info[2]
1942
if source_minikind == 'd':
1944
old_path = path = pathjoin(old_dirname, old_basename)
1945
old_dirname_to_file_id[old_path] = file_id
1946
# parent id is the entry for the path in the target tree
1947
if old_dirname == last_source_parent[0]:
1948
source_parent_id = last_source_parent[1]
1951
source_parent_id = old_dirname_to_file_id[old_dirname]
1953
source_parent_entry = state._get_entry(source_index,
1954
path_utf8=old_dirname)
1955
source_parent_id = source_parent_entry[0][2]
1956
if source_parent_id == entry[0][2]:
1957
# This is the root, so the parent is None
1958
source_parent_id = None
1960
last_source_parent[0] = old_dirname
1961
last_source_parent[1] = source_parent_id
1962
new_dirname = entry[0][0]
1963
if new_dirname == last_target_parent[0]:
1964
target_parent_id = last_target_parent[1]
1967
target_parent_id = new_dirname_to_file_id[new_dirname]
1969
# TODO: We don't always need to do the lookup, because the
1970
# parent entry will be the same as the source entry.
1971
target_parent_entry = state._get_entry(target_index,
1972
path_utf8=new_dirname)
1973
assert target_parent_entry != (None, None), (
1974
"Could not find target parent in wt: %s\nparent of: %s"
1975
% (new_dirname, entry))
1976
target_parent_id = target_parent_entry[0][2]
1977
if target_parent_id == entry[0][2]:
1978
# This is the root, so the parent is None
1979
target_parent_id = None
1981
last_target_parent[0] = new_dirname
1982
last_target_parent[1] = target_parent_id
1984
source_exec = source_details[3]
1985
if (include_unchanged
1987
or source_parent_id != target_parent_id
1988
or old_basename != entry[0][1]
1989
or source_exec != target_exec
1991
if old_path is None:
1992
old_path = path = pathjoin(old_dirname, old_basename)
1993
old_path_u = utf8_decode(old_path)[0]
1996
old_path_u = utf8_decode(old_path)[0]
1997
if old_path == path:
2000
path_u = utf8_decode(path)[0]
2001
source_kind = _minikind_to_kind[source_minikind]
2002
return (entry[0][2],
2003
(old_path_u, path_u),
2006
(source_parent_id, target_parent_id),
2007
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2008
(source_kind, target_kind),
2009
(source_exec, target_exec))
2011
return uninteresting
2012
elif source_minikind in 'a' and target_minikind in 'fdlt':
2013
# looks like a new file
2014
if path_info is not None:
2015
path = pathjoin(entry[0][0], entry[0][1])
2016
# parent id is the entry for the path in the target tree
2017
# TODO: these are the same for an entire directory: cache em.
2018
parent_id = state._get_entry(target_index,
2019
path_utf8=entry[0][0])[0][2]
2020
if parent_id == entry[0][2]:
2022
if use_filesystem_for_exec:
2023
# We need S_ISREG here, because we aren't sure if this
2026
stat.S_ISREG(path_info[3].st_mode)
2027
and stat.S_IEXEC & path_info[3].st_mode)
2029
target_exec = target_details[3]
2030
return (entry[0][2],
2031
(None, utf8_decode(path)[0]),
2035
(None, utf8_decode(entry[0][1])[0]),
2036
(None, path_info[2]),
2037
(None, target_exec))
2039
# but its not on disk: we deliberately treat this as just
2040
# never-present. (Why ?! - RBC 20070224)
2042
elif source_minikind in 'fdlt' and target_minikind in 'a':
2043
# unversioned, possibly, or possibly not deleted: we dont care.
2044
# if its still on disk, *and* theres no other entry at this
2045
# path [we dont know this in this routine at the moment -
2046
# perhaps we should change this - then it would be an unknown.
2047
old_path = pathjoin(entry[0][0], entry[0][1])
2048
# parent id is the entry for the path in the target tree
2049
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2050
if parent_id == entry[0][2]:
2052
return (entry[0][2],
2053
(utf8_decode(old_path)[0], None),
2057
(utf8_decode(entry[0][1])[0], None),
2058
(_minikind_to_kind[source_minikind], None),
2059
(source_details[3], None))
2060
elif source_minikind in 'fdlt' and target_minikind in 'r':
2061
# a rename; could be a true rename, or a rename inherited from
2062
# a renamed parent. TODO: handle this efficiently. Its not
2063
# common case to rename dirs though, so a correct but slow
2064
# implementation will do.
2065
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2066
search_specific_files.add(target_details[1])
2067
elif source_minikind in 'ra' and target_minikind in 'ra':
2068
# neither of the selected trees contain this file,
2069
# so skip over it. This is not currently directly tested, but
2070
# is indirectly via test_too_much.TestCommands.test_conflicts.
2073
raise AssertionError("don't know how to compare "
2074
"source_minikind=%r, target_minikind=%r"
2075
% (source_minikind, target_minikind))
2076
## import pdb;pdb.set_trace()
2079
while search_specific_files:
2080
# TODO: the pending list should be lexically sorted? the
2081
# interface doesn't require it.
2082
current_root = search_specific_files.pop()
2083
current_root_unicode = current_root.decode('utf8')
2084
searched_specific_files.add(current_root)
2085
# process the entries for this containing directory: the rest will be
2086
# found by their parents recursively.
2087
root_entries = _entries_for_path(current_root)
2088
root_abspath = self.target.abspath(current_root_unicode)
2090
root_stat = os.lstat(root_abspath)
2092
if e.errno == errno.ENOENT:
2093
# the path does not exist: let _process_entry know that.
2094
root_dir_info = None
2096
# some other random error: hand it up.
2099
root_dir_info = ('', current_root,
2100
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2102
if root_dir_info[2] == 'directory':
2103
if self.target._directory_is_tree_reference(
2104
current_root.decode('utf8')):
2105
root_dir_info = root_dir_info[:2] + \
2106
('tree-reference',) + root_dir_info[3:]
2108
if not root_entries and not root_dir_info:
2109
# this specified path is not present at all, skip it.
2111
path_handled = False
2112
for entry in root_entries:
2113
result = _process_entry(entry, root_dir_info)
2114
if result is not None:
2116
if result is not uninteresting:
2118
if want_unversioned and not path_handled and root_dir_info:
2119
new_executable = bool(
2120
stat.S_ISREG(root_dir_info[3].st_mode)
2121
and stat.S_IEXEC & root_dir_info[3].st_mode)
2123
(None, current_root_unicode),
2127
(None, splitpath(current_root_unicode)[-1]),
2128
(None, root_dir_info[2]),
2129
(None, new_executable)
2131
initial_key = (current_root, '', '')
2132
block_index, _ = state._find_block_index_from_key(initial_key)
2133
if block_index == 0:
2134
# we have processed the total root already, but because the
2135
# initial key matched it we should skip it here.
2137
if root_dir_info and root_dir_info[2] == 'tree-reference':
2138
current_dir_info = None
2140
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2142
current_dir_info = dir_iterator.next()
2144
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2145
# python 2.5 has e.errno == EINVAL,
2146
# and e.winerror == ERROR_DIRECTORY
2147
e_winerror = getattr(e, 'winerror', None)
2148
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2149
# there may be directories in the inventory even though
2150
# this path is not a file on disk: so mark it as end of
2152
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2153
current_dir_info = None
2154
elif (sys.platform == 'win32'
2155
and (e.errno in win_errors
2156
or e_winerror in win_errors)):
2157
current_dir_info = None
2161
if current_dir_info[0][0] == '':
2162
# remove .bzr from iteration
2163
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2164
assert current_dir_info[1][bzr_index][0] == '.bzr'
2165
del current_dir_info[1][bzr_index]
2166
# walk until both the directory listing and the versioned metadata
2168
if (block_index < len(state._dirblocks) and
2169
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2170
current_block = state._dirblocks[block_index]
2172
current_block = None
2173
while (current_dir_info is not None or
2174
current_block is not None):
2175
if (current_dir_info and current_block
2176
and current_dir_info[0][0] != current_block[0]):
2177
if current_dir_info[0][0].split('/') < current_block[0].split('/'):
2178
# filesystem data refers to paths not covered by the dirblock.
2179
# this has two possibilities:
2180
# A) it is versioned but empty, so there is no block for it
2181
# B) it is not versioned.
2183
# if (A) then we need to recurse into it to check for
2184
# new unknown files or directories.
2185
# if (B) then we should ignore it, because we don't
2186
# recurse into unknown directories.
2188
while path_index < len(current_dir_info[1]):
2189
current_path_info = current_dir_info[1][path_index]
2190
if want_unversioned:
2191
if current_path_info[2] == 'directory':
2192
if self.target._directory_is_tree_reference(
2193
current_path_info[0].decode('utf8')):
2194
current_path_info = current_path_info[:2] + \
2195
('tree-reference',) + current_path_info[3:]
2196
new_executable = bool(
2197
stat.S_ISREG(current_path_info[3].st_mode)
2198
and stat.S_IEXEC & current_path_info[3].st_mode)
2200
(None, utf8_decode(current_path_info[0])[0]),
2204
(None, utf8_decode(current_path_info[1])[0]),
2205
(None, current_path_info[2]),
2206
(None, new_executable))
2207
# dont descend into this unversioned path if it is
2209
if current_path_info[2] in ('directory',
2211
del current_dir_info[1][path_index]
2215
# This dir info has been handled, go to the next
2217
current_dir_info = dir_iterator.next()
2218
except StopIteration:
2219
current_dir_info = None
2221
# We have a dirblock entry for this location, but there
2222
# is no filesystem path for this. This is most likely
2223
# because a directory was removed from the disk.
2224
# We don't have to report the missing directory,
2225
# because that should have already been handled, but we
2226
# need to handle all of the files that are contained
2228
for current_entry in current_block[1]:
2229
# entry referring to file not present on disk.
2230
# advance the entry only, after processing.
2231
result = _process_entry(current_entry, None)
2232
if result is not None:
2233
if result is not uninteresting:
2236
if (block_index < len(state._dirblocks) and
2237
osutils.is_inside(current_root,
2238
state._dirblocks[block_index][0])):
2239
current_block = state._dirblocks[block_index]
2241
current_block = None
2244
if current_block and entry_index < len(current_block[1]):
2245
current_entry = current_block[1][entry_index]
2247
current_entry = None
2248
advance_entry = True
2250
if current_dir_info and path_index < len(current_dir_info[1]):
2251
current_path_info = current_dir_info[1][path_index]
2252
if current_path_info[2] == 'directory':
2253
if self.target._directory_is_tree_reference(
2254
current_path_info[0].decode('utf8')):
2255
current_path_info = current_path_info[:2] + \
2256
('tree-reference',) + current_path_info[3:]
2258
current_path_info = None
2260
path_handled = False
2261
while (current_entry is not None or
2262
current_path_info is not None):
2263
if current_entry is None:
2264
# the check for path_handled when the path is adnvaced
2265
# will yield this path if needed.
2267
elif current_path_info is None:
2268
# no path is fine: the per entry code will handle it.
2269
result = _process_entry(current_entry, current_path_info)
2270
if result is not None:
2271
if result is not uninteresting:
2273
elif (current_entry[0][1] != current_path_info[1]
2274
or current_entry[1][target_index][0] in 'ar'):
2275
# The current path on disk doesn't match the dirblock
2276
# record. Either the dirblock is marked as absent, or
2277
# the file on disk is not present at all in the
2278
# dirblock. Either way, report about the dirblock
2279
# entry, and let other code handle the filesystem one.
2281
# Compare the basename for these files to determine
2283
if current_path_info[1] < current_entry[0][1]:
2284
# extra file on disk: pass for now, but only
2285
# increment the path, not the entry
2286
advance_entry = False
2288
# entry referring to file not present on disk.
2289
# advance the entry only, after processing.
2290
result = _process_entry(current_entry, None)
2291
if result is not None:
2292
if result is not uninteresting:
2294
advance_path = False
2296
result = _process_entry(current_entry, current_path_info)
2297
if result is not None:
2299
if result is not uninteresting:
2301
if advance_entry and current_entry is not None:
2303
if entry_index < len(current_block[1]):
2304
current_entry = current_block[1][entry_index]
2306
current_entry = None
2308
advance_entry = True # reset the advance flaga
2309
if advance_path and current_path_info is not None:
2310
if not path_handled:
2311
# unversioned in all regards
2312
if want_unversioned:
2313
new_executable = bool(
2314
stat.S_ISREG(current_path_info[3].st_mode)
2315
and stat.S_IEXEC & current_path_info[3].st_mode)
2317
(None, utf8_decode(current_path_info[0])[0]),
2321
(None, utf8_decode(current_path_info[1])[0]),
2322
(None, current_path_info[2]),
2323
(None, new_executable))
2324
# dont descend into this unversioned path if it is
2326
if current_path_info[2] in ('directory'):
2327
del current_dir_info[1][path_index]
2329
# dont descend the disk iterator into any tree
2331
if current_path_info[2] == 'tree-reference':
2332
del current_dir_info[1][path_index]
2335
if path_index < len(current_dir_info[1]):
2336
current_path_info = current_dir_info[1][path_index]
2337
if current_path_info[2] == 'directory':
2338
if self.target._directory_is_tree_reference(
2339
current_path_info[0].decode('utf8')):
2340
current_path_info = current_path_info[:2] + \
2341
('tree-reference',) + current_path_info[3:]
2343
current_path_info = None
2344
path_handled = False
2346
advance_path = True # reset the advance flagg.
2347
if current_block is not None:
2349
if (block_index < len(state._dirblocks) and
2350
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2351
current_block = state._dirblocks[block_index]
2353
current_block = None
2354
if current_dir_info is not None:
2356
current_dir_info = dir_iterator.next()
2357
except StopIteration:
2358
current_dir_info = None
2362
def is_compatible(source, target):
2363
# the target must be a dirstate working tree
2364
if not isinstance(target, WorkingTree4):
2366
# the source must be a revtreee or dirstate rev tree.
2367
if not isinstance(source,
2368
(revisiontree.RevisionTree, DirStateRevisionTree)):
2370
# the source revid must be in the target dirstate
2371
if not (source._revision_id == NULL_REVISION or
2372
source._revision_id in target.get_parent_ids()):
2373
# TODO: what about ghosts? it may well need to
2374
# check for them explicitly.
2378
InterTree.register_optimiser(InterDirStateTree)
2381
class Converter3to4(object):
2382
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2385
self.target_format = WorkingTreeFormat4()
2387
def convert(self, tree):
2388
# lock the control files not the tree, so that we dont get tree
2389
# on-unlock behaviours, and so that noone else diddles with the
2390
# tree during upgrade.
2391
tree._control_files.lock_write()
2393
tree.read_working_inventory()
2394
self.create_dirstate_data(tree)
2395
self.update_format(tree)
2396
self.remove_xml_files(tree)
2398
tree._control_files.unlock()
2400
def create_dirstate_data(self, tree):
2401
"""Create the dirstate based data for tree."""
2402
local_path = tree.bzrdir.get_workingtree_transport(None
2403
).local_abspath('dirstate')
2404
state = dirstate.DirState.from_tree(tree, local_path)
2408
def remove_xml_files(self, tree):
2409
"""Remove the oldformat 3 data."""
2410
transport = tree.bzrdir.get_workingtree_transport(None)
2411
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2412
'pending-merges', 'stat-cache']:
2414
transport.delete(path)
2415
except errors.NoSuchFile:
2416
# some files are optional - just deal.
2419
def update_format(self, tree):
2420
"""Change the format marker."""
2421
tree._control_files.put_utf8('format',
2422
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
