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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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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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self._setup_directory_is_tree_reference()
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self._detect_case_handling()
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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 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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raise errors.NoSuchId(self, file_id)
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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 'evil' in debug.debug_flags:
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trace.mutter_callsite(2,
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"accessing .inventory forces a size of tree translation.")
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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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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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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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def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
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entry = self._get_entry(path=path)
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if entry == (None, None):
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return False # Missing entries are not executable
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return entry[1][0][3] # Executable?
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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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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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_is_executable_from_path_and_stat = \
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_is_executable_from_path_and_stat_from_basis
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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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self._must_be_locked()
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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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return _mod_revision.NULL_REVISION
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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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def rollback_rename():
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"""A single rename has failed, roll it back."""
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# roll back everything, even if we encounter trouble doing one
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# TODO: at least log the other exceptions rather than just
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# losing them mbp 20070307
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for rollback in reversed(rollbacks):
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exc_info = sys.exc_info()
743
raise exc_info[0], exc_info[1], exc_info[2]
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# perform the disk move first - its the most likely failure point.
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from_rel_abs = self.abspath(from_rel)
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to_rel_abs = self.abspath(to_rel)
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osutils.rename(from_rel_abs, to_rel_abs)
752
raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
753
rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
755
# perform the rename in the inventory next if needed: its easy
759
from_entry = inv[from_id]
760
current_parent = from_entry.parent_id
761
inv.rename(from_id, to_dir_id, from_tail)
763
lambda: inv.rename(from_id, current_parent, from_tail))
764
# finally do the rename in the dirstate, which is a little
765
# tricky to rollback, but least likely to need it.
766
old_block_index, old_entry_index, dir_present, file_present = \
767
state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
768
old_block = state._dirblocks[old_block_index][1]
769
old_entry = old_block[old_entry_index]
770
from_key, old_entry_details = old_entry
771
cur_details = old_entry_details[0]
773
to_key = ((to_block[0],) + from_key[1:3])
774
minikind = cur_details[0]
775
move_one(old_entry, from_path_utf8=from_rel_utf8,
777
executable=cur_details[3],
778
fingerprint=cur_details[1],
779
packed_stat=cur_details[4],
783
to_path_utf8=to_rel_utf8)
786
def update_dirblock(from_dir, to_key, to_dir_utf8):
787
"""Recursively update all entries in this dirblock."""
788
assert from_dir != '', "renaming root not supported"
789
from_key = (from_dir, '')
790
from_block_idx, present = \
791
state._find_block_index_from_key(from_key)
793
# This is the old record, if it isn't present, then
794
# there is theoretically nothing to update.
795
# (Unless it isn't present because of lazy loading,
796
# but we don't do that yet)
798
from_block = state._dirblocks[from_block_idx]
799
to_block_index, to_entry_index, _, _ = \
800
state._get_block_entry_index(to_key[0], to_key[1], 0)
801
to_block_index = state._ensure_block(
802
to_block_index, to_entry_index, to_dir_utf8)
803
to_block = state._dirblocks[to_block_index]
805
# Grab a copy since move_one may update the list.
806
for entry in from_block[1][:]:
807
assert entry[0][0] == from_dir
808
cur_details = entry[1][0]
809
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
810
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
811
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
812
minikind = cur_details[0]
814
# Deleted children of a renamed directory
815
# Do not need to be updated.
816
# Children that have been renamed out of this
817
# directory should also not be updated
819
move_one(entry, from_path_utf8=from_path_utf8,
821
executable=cur_details[3],
822
fingerprint=cur_details[1],
823
packed_stat=cur_details[4],
827
to_path_utf8=to_path_utf8)
829
# We need to move all the children of this
831
update_dirblock(from_path_utf8, to_key,
833
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
837
result.append((from_rel, to_rel))
838
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
839
self._make_dirty(reset_inventory=False)
843
def _must_be_locked(self):
844
if not self._control_files._lock_count:
845
raise errors.ObjectNotLocked(self)
848
"""Initialize the state in this tree to be a new tree."""
852
def path2id(self, path):
853
"""Return the id for path in this tree."""
854
path = path.strip('/')
855
entry = self._get_entry(path=path)
856
if entry == (None, None):
860
def paths2ids(self, paths, trees=[], require_versioned=True):
861
"""See Tree.paths2ids().
863
This specialisation fast-paths the case where all the trees are in the
868
parents = self.get_parent_ids()
870
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
872
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
873
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
874
# -- make all paths utf8 --
877
paths_utf8.add(path.encode('utf8'))
879
# -- paths is now a utf8 path set --
880
# -- get the state object and prepare it.
881
state = self.current_dirstate()
882
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
883
and '' not in paths):
884
paths2ids = self._paths2ids_using_bisect
886
paths2ids = self._paths2ids_in_memory
887
return paths2ids(paths, search_indexes,
888
require_versioned=require_versioned)
890
def _paths2ids_in_memory(self, paths, search_indexes,
891
require_versioned=True):
892
state = self.current_dirstate()
893
state._read_dirblocks_if_needed()
894
def _entries_for_path(path):
895
"""Return a list with all the entries that match path for all ids.
897
dirname, basename = os.path.split(path)
898
key = (dirname, basename, '')
899
block_index, present = state._find_block_index_from_key(key)
901
# the block which should contain path is absent.
904
block = state._dirblocks[block_index][1]
905
entry_index, _ = state._find_entry_index(key, block)
906
# we may need to look at multiple entries at this path: walk while the paths match.
907
while (entry_index < len(block) and
908
block[entry_index][0][0:2] == key[0:2]):
909
result.append(block[entry_index])
912
if require_versioned:
913
# -- check all supplied paths are versioned in a search tree. --
916
path_entries = _entries_for_path(path)
918
# this specified path is not present at all: error
919
all_versioned = False
921
found_versioned = False
922
# for each id at this path
923
for entry in path_entries:
925
for index in search_indexes:
926
if entry[1][index][0] != 'a': # absent
927
found_versioned = True
928
# all good: found a versioned cell
930
if not found_versioned:
931
# none of the indexes was not 'absent' at all ids for this
933
all_versioned = False
935
if not all_versioned:
936
raise errors.PathsNotVersionedError(paths)
937
# -- remove redundancy in supplied paths to prevent over-scanning --
938
search_paths = osutils.minimum_path_selection(paths)
940
# for all search_indexs in each path at or under each element of
941
# search_paths, if the detail is relocated: add the id, and add the
942
# relocated path as one to search if its not searched already. If the
943
# detail is not relocated, add the id.
944
searched_paths = set()
946
def _process_entry(entry):
947
"""Look at search_indexes within entry.
949
If a specific tree's details are relocated, add the relocation
950
target to search_paths if not searched already. If it is absent, do
951
nothing. Otherwise add the id to found_ids.
953
for index in search_indexes:
954
if entry[1][index][0] == 'r': # relocated
955
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
956
search_paths.add(entry[1][index][1])
957
elif entry[1][index][0] != 'a': # absent
958
found_ids.add(entry[0][2])
960
current_root = search_paths.pop()
961
searched_paths.add(current_root)
962
# process the entries for this containing directory: the rest will be
963
# found by their parents recursively.
964
root_entries = _entries_for_path(current_root)
966
# this specified path is not present at all, skip it.
968
for entry in root_entries:
969
_process_entry(entry)
970
initial_key = (current_root, '', '')
971
block_index, _ = state._find_block_index_from_key(initial_key)
972
while (block_index < len(state._dirblocks) and
973
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
974
for entry in state._dirblocks[block_index][1]:
975
_process_entry(entry)
979
def _paths2ids_using_bisect(self, paths, search_indexes,
980
require_versioned=True):
981
state = self.current_dirstate()
984
split_paths = sorted(osutils.split(p) for p in paths)
985
found = state._bisect_recursive(split_paths)
987
if require_versioned:
988
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
989
for dir_name in split_paths:
990
if dir_name not in found_dir_names:
991
raise errors.PathsNotVersionedError(paths)
993
for dir_name_id, trees_info in found.iteritems():
994
for index in search_indexes:
995
if trees_info[index][0] not in ('r', 'a'):
996
found_ids.add(dir_name_id[2])
999
def read_working_inventory(self):
1000
"""Read the working inventory.
1002
This is a meaningless operation for dirstate, but we obey it anyhow.
1004
return self.inventory
1007
def revision_tree(self, revision_id):
1008
"""See Tree.revision_tree.
1010
WorkingTree4 supplies revision_trees for any basis tree.
1012
dirstate = self.current_dirstate()
1013
parent_ids = dirstate.get_parent_ids()
1014
if revision_id not in parent_ids:
1015
raise errors.NoSuchRevisionInTree(self, revision_id)
1016
if revision_id in dirstate.get_ghosts():
1017
raise errors.NoSuchRevisionInTree(self, revision_id)
1018
return DirStateRevisionTree(dirstate, revision_id,
1019
self.branch.repository)
1021
@needs_tree_write_lock
1022
def set_last_revision(self, new_revision):
1023
"""Change the last revision in the working tree."""
1024
parents = self.get_parent_ids()
1025
if new_revision in (NULL_REVISION, None):
1026
assert len(parents) < 2, (
1027
"setting the last parent to none with a pending merge is "
1029
self.set_parent_ids([])
1031
self.set_parent_ids([new_revision] + parents[1:],
1032
allow_leftmost_as_ghost=True)
1034
@needs_tree_write_lock
1035
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1036
"""Set the parent ids to revision_ids.
1038
See also set_parent_trees. This api will try to retrieve the tree data
1039
for each element of revision_ids from the trees repository. If you have
1040
tree data already available, it is more efficient to use
1041
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1042
an easier API to use.
1044
:param revision_ids: The revision_ids to set as the parent ids of this
1045
working tree. Any of these may be ghosts.
1048
for revision_id in revision_ids:
1050
revtree = self.branch.repository.revision_tree(revision_id)
1051
# TODO: jam 20070213 KnitVersionedFile raises
1052
# RevisionNotPresent rather than NoSuchRevision if a
1053
# given revision_id is not present. Should Repository be
1054
# catching it and re-raising NoSuchRevision?
1055
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1057
trees.append((revision_id, revtree))
1058
self.set_parent_trees(trees,
1059
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1061
@needs_tree_write_lock
1062
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1063
"""Set the parents of the working tree.
1065
:param parents_list: A list of (revision_id, tree) tuples.
1066
If tree is None, then that element is treated as an unreachable
1067
parent tree - i.e. a ghost.
1069
dirstate = self.current_dirstate()
1070
if len(parents_list) > 0:
1071
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1072
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1075
# convert absent trees to the null tree, which we convert back to
1076
# missing on access.
1077
for rev_id, tree in parents_list:
1078
_mod_revision.check_not_reserved_id(rev_id)
1079
if tree is not None:
1080
real_trees.append((rev_id, tree))
1082
real_trees.append((rev_id,
1083
self.branch.repository.revision_tree(None)))
1084
ghosts.append(rev_id)
1085
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1086
self._make_dirty(reset_inventory=False)
1088
def _set_root_id(self, file_id):
1089
"""See WorkingTree.set_root_id."""
1090
state = self.current_dirstate()
1091
state.set_path_id('', file_id)
1092
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1093
self._make_dirty(reset_inventory=True)
1095
def _sha_from_stat(self, path, stat_result):
1096
"""Get a sha digest from the tree's stat cache.
1098
The default implementation assumes no stat cache is present.
1100
:param path: The path.
1101
:param stat_result: The stat result being looked up.
1103
return self.current_dirstate().sha1_from_stat(path, stat_result)
1106
def supports_tree_reference(self):
1107
return self._repo_supports_tree_reference
1110
"""Unlock in format 4 trees needs to write the entire dirstate."""
1111
# do non-implementation specific cleanup
1114
if self._control_files._lock_count == 1:
1115
# eventually we should do signature checking during read locks for
1117
if self._control_files._lock_mode == 'w':
1120
if self._dirstate is not None:
1121
# This is a no-op if there are no modifications.
1122
self._dirstate.save()
1123
self._dirstate.unlock()
1124
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1125
# point. Instead, it could check if the header has been
1126
# modified when it is locked, and if not, it can hang on to
1127
# the data it has in memory.
1128
self._dirstate = None
1129
self._inventory = None
1130
# reverse order of locking.
1132
return self._control_files.unlock()
1134
self.branch.unlock()
1136
@needs_tree_write_lock
1137
def unversion(self, file_ids):
1138
"""Remove the file ids in file_ids from the current versioned set.
1140
When a file_id is unversioned, all of its children are automatically
1143
:param file_ids: The file ids to stop versioning.
1144
:raises: NoSuchId if any fileid is not currently versioned.
1148
state = self.current_dirstate()
1149
state._read_dirblocks_if_needed()
1150
ids_to_unversion = set(file_ids)
1151
paths_to_unversion = set()
1153
# check if the root is to be unversioned, if so, assert for now.
1154
# walk the state marking unversioned things as absent.
1155
# if there are any un-unversioned ids at the end, raise
1156
for key, details in state._dirblocks[0][1]:
1157
if (details[0][0] not in ('a', 'r') and # absent or relocated
1158
key[2] in ids_to_unversion):
1159
# I haven't written the code to unversion / yet - it should be
1161
raise errors.BzrError('Unversioning the / is not currently supported')
1163
while block_index < len(state._dirblocks):
1164
# process one directory at a time.
1165
block = state._dirblocks[block_index]
1166
# first check: is the path one to remove - it or its children
1167
delete_block = False
1168
for path in paths_to_unversion:
1169
if (block[0].startswith(path) and
1170
(len(block[0]) == len(path) or
1171
block[0][len(path)] == '/')):
1172
# this entire block should be deleted - its the block for a
1173
# path to unversion; or the child of one
1176
# TODO: trim paths_to_unversion as we pass by paths
1178
# this block is to be deleted: process it.
1179
# TODO: we can special case the no-parents case and
1180
# just forget the whole block.
1182
while entry_index < len(block[1]):
1183
# Mark this file id as having been removed
1184
entry = block[1][entry_index]
1185
ids_to_unversion.discard(entry[0][2])
1186
if (entry[1][0][0] in 'ar' # don't remove absent or renamed
1188
or not state._make_absent(entry)):
1190
# go to the next block. (At the moment we dont delete empty
1195
while entry_index < len(block[1]):
1196
entry = block[1][entry_index]
1197
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1198
# ^ some parent row.
1199
entry[0][2] not in ids_to_unversion):
1200
# ^ not an id to unversion
1203
if entry[1][0][0] == 'd':
1204
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1205
if not state._make_absent(entry):
1207
# we have unversioned this id
1208
ids_to_unversion.remove(entry[0][2])
1210
if ids_to_unversion:
1211
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1212
self._make_dirty(reset_inventory=False)
1213
# have to change the legacy inventory too.
1214
if self._inventory is not None:
1215
for file_id in file_ids:
1216
self._inventory.remove_recursive_id(file_id)
1218
def update_basis_by_delta(self, new_revid, delta):
1219
"""See MutableTree.update_basis_by_delta."""
1220
assert self.last_revision() != new_revid
1221
self.current_dirstate().update_basis_by_delta(delta, new_revid)
1224
def _validate(self):
1225
self._dirstate._validate()
1227
@needs_tree_write_lock
1228
def _write_inventory(self, inv):
1229
"""Write inventory as the current inventory."""
1230
assert not self._dirty, ("attempting to write an inventory when the "
1231
"dirstate is dirty will cause data loss")
1232
self.current_dirstate().set_state_from_inventory(inv)
1233
self._make_dirty(reset_inventory=False)
1234
if self._inventory is not None:
1235
self._inventory = inv
1239
class WorkingTreeFormat4(WorkingTreeFormat3):
1240
"""The first consolidated dirstate working tree format.
1243
- exists within a metadir controlling .bzr
1244
- includes an explicit version marker for the workingtree control
1245
files, separate from the BzrDir format
1246
- modifies the hash cache format
1247
- is new in bzr 0.15
1248
- uses a LockDir to guard access to it.
1251
upgrade_recommended = False
1253
def get_format_string(self):
1254
"""See WorkingTreeFormat.get_format_string()."""
1255
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1257
def get_format_description(self):
1258
"""See WorkingTreeFormat.get_format_description()."""
1259
return "Working tree format 4"
1261
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1262
accelerator_tree=None):
1263
"""See WorkingTreeFormat.initialize().
1265
:param revision_id: allows creating a working tree at a different
1266
revision than the branch is at.
1267
:param accelerator_tree: A tree which can be used for retrieving file
1268
contents more quickly than the revision tree, i.e. a workingtree.
1269
The revision tree will be used for cases where accelerator_tree's
1270
content is different.
1272
These trees get an initial random root id, if their repository supports
1273
rich root data, TREE_ROOT otherwise.
1275
if not isinstance(a_bzrdir.transport, LocalTransport):
1276
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1277
transport = a_bzrdir.get_workingtree_transport(self)
1278
control_files = self._open_control_files(a_bzrdir)
1279
control_files.create_lock()
1280
control_files.lock_write()
1281
control_files.put_utf8('format', self.get_format_string())
1282
if from_branch is not None:
1283
branch = from_branch
1285
branch = a_bzrdir.open_branch()
1286
if revision_id is None:
1287
revision_id = branch.last_revision()
1288
local_path = transport.local_abspath('dirstate')
1289
# write out new dirstate (must exist when we create the tree)
1290
state = dirstate.DirState.initialize(local_path)
1293
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1297
_control_files=control_files)
1299
wt.lock_tree_write()
1301
if revision_id in (None, NULL_REVISION):
1302
if branch.repository.supports_rich_root():
1303
wt._set_root_id(generate_ids.gen_root_id())
1305
wt._set_root_id(ROOT_ID)
1308
# frequently, we will get here due to branching. The accelerator
1309
# tree will be the tree from the branch, so the desired basis
1310
# tree will often be a parent of the accelerator tree.
1311
if accelerator_tree is not None:
1313
basis = accelerator_tree.revision_tree(revision_id)
1314
except errors.NoSuchRevision:
1317
basis = branch.repository.revision_tree(revision_id)
1318
if revision_id == NULL_REVISION:
1321
parents_list = [(revision_id, basis)]
1323
wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
1325
# if the basis has a root id we have to use that; otherwise we use
1327
basis_root_id = basis.get_root_id()
1328
if basis_root_id is not None:
1329
wt._set_root_id(basis_root_id)
1331
transform.build_tree(basis, wt, accelerator_tree)
1334
control_files.unlock()
1338
def _open(self, a_bzrdir, control_files):
1339
"""Open the tree itself.
1341
:param a_bzrdir: the dir for the tree.
1342
:param control_files: the control files for the tree.
1344
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1345
branch=a_bzrdir.open_branch(),
1348
_control_files=control_files)
1350
def __get_matchingbzrdir(self):
1351
# please test against something that will let us do tree references
1352
return bzrdir.format_registry.make_bzrdir(
1353
'dirstate-with-subtree')
1355
_matchingbzrdir = property(__get_matchingbzrdir)
1358
class DirStateRevisionTree(Tree):
1359
"""A revision tree pulling the inventory from a dirstate."""
1361
def __init__(self, dirstate, revision_id, repository):
1362
self._dirstate = dirstate
1363
self._revision_id = revision_id
1364
self._repository = repository
1365
self._inventory = None
1367
self._dirstate_locked = False
1370
return "<%s of %s in %s>" % \
1371
(self.__class__.__name__, self._revision_id, self._dirstate)
1373
def annotate_iter(self, file_id,
1374
default_revision=_mod_revision.CURRENT_REVISION):
1375
"""See Tree.annotate_iter"""
1376
w = self._get_weave(file_id)
1377
return w.annotate_iter(self.inventory[file_id].revision)
1379
def _get_ancestors(self, default_revision):
1380
return set(self._repository.get_ancestry(self._revision_id,
1382
def _comparison_data(self, entry, path):
1383
"""See Tree._comparison_data."""
1385
return None, False, None
1386
# trust the entry as RevisionTree does, but this may not be
1387
# sensible: the entry might not have come from us?
1388
return entry.kind, entry.executable, None
1390
def _file_size(self, entry, stat_value):
1391
return entry.text_size
1393
def filter_unversioned_files(self, paths):
1394
"""Filter out paths that are not versioned.
1396
:return: set of paths.
1398
pred = self.has_filename
1399
return set((p for p in paths if not pred(p)))
1401
def get_root_id(self):
1402
return self.path2id('')
1404
def id2path(self, file_id):
1405
"Convert a file-id to a path."
1406
entry = self._get_entry(file_id=file_id)
1407
if entry == (None, None):
1408
raise errors.NoSuchId(tree=self, file_id=file_id)
1409
path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1410
return path_utf8.decode('utf8')
1412
def _get_parent_index(self):
1413
"""Return the index in the dirstate referenced by this tree."""
1414
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1416
def _get_entry(self, file_id=None, path=None):
1417
"""Get the dirstate row for file_id or path.
1419
If either file_id or path is supplied, it is used as the key to lookup.
1420
If both are supplied, the fastest lookup is used, and an error is
1421
raised if they do not both point at the same row.
1423
:param file_id: An optional unicode file_id to be looked up.
1424
:param path: An optional unicode path to be looked up.
1425
:return: The dirstate row tuple for path/file_id, or (None, None)
1427
if file_id is None and path is None:
1428
raise errors.BzrError('must supply file_id or path')
1429
if path is not None:
1430
path = path.encode('utf8')
1431
parent_index = self._get_parent_index()
1432
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1434
def _generate_inventory(self):
1435
"""Create and set self.inventory from the dirstate object.
1437
(So this is only called the first time the inventory is requested for
1438
this tree; it then remains in memory until it's out of date.)
1440
This is relatively expensive: we have to walk the entire dirstate.
1442
assert self._locked, 'cannot generate inventory of an unlocked '\
1443
'dirstate revision tree'
1444
# separate call for profiling - makes it clear where the costs are.
1445
self._dirstate._read_dirblocks_if_needed()
1446
assert self._revision_id in self._dirstate.get_parent_ids(), \
1447
'parent %s has disappeared from %s' % (
1448
self._revision_id, self._dirstate.get_parent_ids())
1449
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1450
# This is identical now to the WorkingTree _generate_inventory except
1451
# for the tree index use.
1452
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1453
current_id = root_key[2]
1454
assert current_entry[parent_index][0] == 'd'
1455
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1456
inv.root.revision = current_entry[parent_index][4]
1457
# Turn some things into local variables
1458
minikind_to_kind = dirstate.DirState._minikind_to_kind
1459
factory = entry_factory
1460
utf8_decode = cache_utf8._utf8_decode
1461
inv_byid = inv._byid
1462
# we could do this straight out of the dirstate; it might be fast
1463
# and should be profiled - RBC 20070216
1464
parent_ies = {'' : inv.root}
1465
for block in self._dirstate._dirblocks[1:]: #skip root
1468
parent_ie = parent_ies[dirname]
1470
# all the paths in this block are not versioned in this tree
1472
for key, entry in block[1]:
1473
minikind, fingerprint, size, executable, revid = entry[parent_index]
1474
if minikind in ('a', 'r'): # absent, relocated
1478
name_unicode = utf8_decode(name)[0]
1480
kind = minikind_to_kind[minikind]
1481
inv_entry = factory[kind](file_id, name_unicode,
1483
inv_entry.revision = revid
1485
inv_entry.executable = executable
1486
inv_entry.text_size = size
1487
inv_entry.text_sha1 = fingerprint
1488
elif kind == 'directory':
1489
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1490
elif kind == 'symlink':
1491
inv_entry.executable = False
1492
inv_entry.text_size = None
1493
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1494
elif kind == 'tree-reference':
1495
inv_entry.reference_revision = fingerprint or None
1497
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1499
# These checks cost us around 40ms on a 55k entry tree
1500
assert file_id not in inv_byid
1501
assert name_unicode not in parent_ie.children
1502
inv_byid[file_id] = inv_entry
1503
parent_ie.children[name_unicode] = inv_entry
1504
self._inventory = inv
1506
def get_file_mtime(self, file_id, path=None):
1507
"""Return the modification time for this record.
1509
We return the timestamp of the last-changed revision.
1511
# Make sure the file exists
1512
entry = self._get_entry(file_id, path=path)
1513
if entry == (None, None): # do we raise?
1515
parent_index = self._get_parent_index()
1516
last_changed_revision = entry[1][parent_index][4]
1517
return self._repository.get_revision(last_changed_revision).timestamp
1519
def get_file_sha1(self, file_id, path=None, stat_value=None):
1520
entry = self._get_entry(file_id=file_id, path=path)
1521
parent_index = self._get_parent_index()
1522
parent_details = entry[1][parent_index]
1523
if parent_details[0] == 'f':
1524
return parent_details[1]
1527
@symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
1528
def get_weave(self, file_id):
1529
return self._get_weave(file_id)
1531
def _get_weave(self, file_id):
1532
return self._repository.weave_store.get_weave(file_id,
1533
self._repository.get_transaction())
1535
def get_file(self, file_id, path=None):
1536
return StringIO(self.get_file_text(file_id))
1538
def get_file_lines(self, file_id):
1539
entry = self._get_entry(file_id=file_id)[1]
1541
raise errors.NoSuchId(tree=self, file_id=file_id)
1542
return self._get_weave(file_id).get_lines(entry[1][4])
1544
def get_file_size(self, file_id):
1545
return self.inventory[file_id].text_size
1547
def get_file_text(self, file_id):
1548
return ''.join(self.get_file_lines(file_id))
1550
def get_reference_revision(self, file_id, path=None):
1551
return self.inventory[file_id].reference_revision
1553
def iter_files_bytes(self, desired_files):
1554
"""See Tree.iter_files_bytes.
1556
This version is implemented on top of Repository.iter_files_bytes"""
1557
parent_index = self._get_parent_index()
1558
repo_desired_files = []
1559
for file_id, identifier in desired_files:
1560
entry = self._get_entry(file_id)
1561
if entry == (None, None):
1562
raise errors.NoSuchId(self, file_id)
1563
repo_desired_files.append((file_id, entry[1][parent_index][4],
1565
return self._repository.iter_files_bytes(repo_desired_files)
1567
def get_symlink_target(self, file_id):
1568
entry = self._get_entry(file_id=file_id)
1569
parent_index = self._get_parent_index()
1570
if entry[1][parent_index][0] != 'l':
1573
# At present, none of the tree implementations supports non-ascii
1574
# symlink targets. So we will just assume that the dirstate path is
1576
return entry[1][parent_index][1]
1578
def get_revision_id(self):
1579
"""Return the revision id for this tree."""
1580
return self._revision_id
1582
def _get_inventory(self):
1583
if self._inventory is not None:
1584
return self._inventory
1585
self._must_be_locked()
1586
self._generate_inventory()
1587
return self._inventory
1589
inventory = property(_get_inventory,
1590
doc="Inventory of this Tree")
1592
def get_parent_ids(self):
1593
"""The parents of a tree in the dirstate are not cached."""
1594
return self._repository.get_revision(self._revision_id).parent_ids
1596
def has_filename(self, filename):
1597
return bool(self.path2id(filename))
1599
def kind(self, file_id):
1600
entry = self._get_entry(file_id=file_id)[1]
1602
raise errors.NoSuchId(tree=self, file_id=file_id)
1603
return dirstate.DirState._minikind_to_kind[entry[1][0]]
1605
def path_content_summary(self, path):
1606
"""See Tree.path_content_summary."""
1607
id = self.inventory.path2id(path)
1609
return ('missing', None, None, None)
1610
entry = self._inventory[id]
1613
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1614
elif kind == 'symlink':
1615
return (kind, None, None, entry.symlink_target)
1617
return (kind, None, None, None)
1619
def is_executable(self, file_id, path=None):
1620
ie = self.inventory[file_id]
1621
if ie.kind != "file":
1623
return ie.executable
1625
def list_files(self, include_root=False):
1626
# We use a standard implementation, because DirStateRevisionTree is
1627
# dealing with one of the parents of the current state
1628
inv = self._get_inventory()
1629
entries = inv.iter_entries()
1630
if self.inventory.root is not None and not include_root:
1632
for path, entry in entries:
1633
yield path, 'V', entry.kind, entry.file_id, entry
1635
def lock_read(self):
1636
"""Lock the tree for a set of operations."""
1637
if not self._locked:
1638
self._repository.lock_read()
1639
if self._dirstate._lock_token is None:
1640
self._dirstate.lock_read()
1641
self._dirstate_locked = True
1644
def _must_be_locked(self):
1645
if not self._locked:
1646
raise errors.ObjectNotLocked(self)
1649
def path2id(self, path):
1650
"""Return the id for path in this tree."""
1651
# lookup by path: faster than splitting and walking the ivnentory.
1652
entry = self._get_entry(path=path)
1653
if entry == (None, None):
1658
"""Unlock, freeing any cache memory used during the lock."""
1659
# outside of a lock, the inventory is suspect: release it.
1661
if not self._locked:
1662
self._inventory = None
1664
if self._dirstate_locked:
1665
self._dirstate.unlock()
1666
self._dirstate_locked = False
1667
self._repository.unlock()
1669
def walkdirs(self, prefix=""):
1670
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1671
# implementation based on an inventory.
1672
# This should be cleaned up to use the much faster Dirstate code
1673
# So for now, we just build up the parent inventory, and extract
1674
# it the same way RevisionTree does.
1675
_directory = 'directory'
1676
inv = self._get_inventory()
1677
top_id = inv.path2id(prefix)
1681
pending = [(prefix, top_id)]
1684
relpath, file_id = pending.pop()
1685
# 0 - relpath, 1- file-id
1687
relroot = relpath + '/'
1690
# FIXME: stash the node in pending
1691
entry = inv[file_id]
1692
for name, child in entry.sorted_children():
1693
toppath = relroot + name
1694
dirblock.append((toppath, name, child.kind, None,
1695
child.file_id, child.kind
1697
yield (relpath, entry.file_id), dirblock
1698
# push the user specified dirs from dirblock
1699
for dir in reversed(dirblock):
1700
if dir[2] == _directory:
1701
pending.append((dir[0], dir[4]))
1704
class InterDirStateTree(InterTree):
1705
"""Fast path optimiser for changes_from with dirstate trees.
1707
This is used only when both trees are in the dirstate working file, and
1708
the source is any parent within the dirstate, and the destination is
1709
the current working tree of the same dirstate.
1711
# this could be generalized to allow comparisons between any trees in the
1712
# dirstate, and possibly between trees stored in different dirstates.
1714
def __init__(self, source, target):
1715
super(InterDirStateTree, self).__init__(source, target)
1716
if not InterDirStateTree.is_compatible(source, target):
1717
raise Exception, "invalid source %r and target %r" % (source, target)
1720
def make_source_parent_tree(source, target):
1721
"""Change the source tree into a parent of the target."""
1722
revid = source.commit('record tree')
1723
target.branch.repository.fetch(source.branch.repository, revid)
1724
target.set_parent_ids([revid])
1725
return target.basis_tree(), target
1727
_matching_from_tree_format = WorkingTreeFormat4()
1728
_matching_to_tree_format = WorkingTreeFormat4()
1729
_test_mutable_trees_to_test_trees = make_source_parent_tree
1731
def _iter_changes(self, include_unchanged=False,
1732
specific_files=None, pb=None, extra_trees=[],
1733
require_versioned=True, want_unversioned=False):
1734
"""Return the changes from source to target.
1736
:return: An iterator that yields tuples. See InterTree._iter_changes
1738
:param specific_files: An optional list of file paths to restrict the
1739
comparison to. When mapping filenames to ids, all matches in all
1740
trees (including optional extra_trees) are used, and all children of
1741
matched directories are included.
1742
:param include_unchanged: An optional boolean requesting the inclusion of
1743
unchanged entries in the result.
1744
:param extra_trees: An optional list of additional trees to use when
1745
mapping the contents of specific_files (paths) to file_ids.
1746
:param require_versioned: If True, all files in specific_files must be
1747
versioned in one of source, target, extra_trees or
1748
PathsNotVersionedError is raised.
1749
:param want_unversioned: Should unversioned files be returned in the
1750
output. An unversioned file is defined as one with (False, False)
1751
for the versioned pair.
1753
utf8_decode = cache_utf8._utf8_decode
1754
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1755
cmp_by_dirs = dirstate.cmp_by_dirs
1756
# NB: show_status depends on being able to pass in non-versioned files
1757
# and report them as unknown
1758
# TODO: handle extra trees in the dirstate.
1759
if (extra_trees or specific_files == []):
1760
# we can't fast-path these cases (yet)
1761
for f in super(InterDirStateTree, self)._iter_changes(
1762
include_unchanged, specific_files, pb, extra_trees,
1763
require_versioned, want_unversioned=want_unversioned):
1766
parent_ids = self.target.get_parent_ids()
1767
assert (self.source._revision_id in parent_ids
1768
or self.source._revision_id == NULL_REVISION), \
1769
"revision {%s} is not stored in {%s}, but %s " \
1770
"can only be used for trees stored in the dirstate" \
1771
% (self.source._revision_id, self.target, self._iter_changes)
1773
if self.source._revision_id == NULL_REVISION:
1775
indices = (target_index,)
1777
assert (self.source._revision_id in parent_ids), \
1778
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1779
self.source._revision_id, parent_ids)
1780
source_index = 1 + parent_ids.index(self.source._revision_id)
1781
indices = (source_index, target_index)
1782
# -- make all specific_files utf8 --
1784
specific_files_utf8 = set()
1785
for path in specific_files:
1786
specific_files_utf8.add(path.encode('utf8'))
1787
specific_files = specific_files_utf8
1789
specific_files = set([''])
1790
# -- specific_files is now a utf8 path set --
1791
# -- get the state object and prepare it.
1792
state = self.target.current_dirstate()
1793
state._read_dirblocks_if_needed()
1794
def _entries_for_path(path):
1795
"""Return a list with all the entries that match path for all ids.
1797
dirname, basename = os.path.split(path)
1798
key = (dirname, basename, '')
1799
block_index, present = state._find_block_index_from_key(key)
1801
# the block which should contain path is absent.
1804
block = state._dirblocks[block_index][1]
1805
entry_index, _ = state._find_entry_index(key, block)
1806
# we may need to look at multiple entries at this path: walk while the specific_files match.
1807
while (entry_index < len(block) and
1808
block[entry_index][0][0:2] == key[0:2]):
1809
result.append(block[entry_index])
1812
if require_versioned:
1813
# -- check all supplied paths are versioned in a search tree. --
1814
all_versioned = True
1815
for path in specific_files:
1816
path_entries = _entries_for_path(path)
1817
if not path_entries:
1818
# this specified path is not present at all: error
1819
all_versioned = False
1821
found_versioned = False
1822
# for each id at this path
1823
for entry in path_entries:
1825
for index in indices:
1826
if entry[1][index][0] != 'a': # absent
1827
found_versioned = True
1828
# all good: found a versioned cell
1830
if not found_versioned:
1831
# none of the indexes was not 'absent' at all ids for this
1833
all_versioned = False
1835
if not all_versioned:
1836
raise errors.PathsNotVersionedError(specific_files)
1837
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1838
search_specific_files = set()
1839
for path in specific_files:
1840
other_specific_files = specific_files.difference(set([path]))
1841
if not osutils.is_inside_any(other_specific_files, path):
1842
# this is a top level path, we must check it.
1843
search_specific_files.add(path)
1845
# compare source_index and target_index at or under each element of search_specific_files.
1846
# follow the following comparison table. Note that we only want to do diff operations when
1847
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1851
# Source | Target | disk | action
1852
# r | fdlt | | add source to search, add id path move and perform
1853
# | | | diff check on source-target
1854
# r | fdlt | a | dangling file that was present in the basis.
1856
# r | a | | add source to search
1858
# r | r | | this path is present in a non-examined tree, skip.
1859
# r | r | a | this path is present in a non-examined tree, skip.
1860
# a | fdlt | | add new id
1861
# a | fdlt | a | dangling locally added file, skip
1862
# a | a | | not present in either tree, skip
1863
# a | a | a | not present in any tree, skip
1864
# a | r | | not present in either tree at this path, skip as it
1865
# | | | may not be selected by the users list of paths.
1866
# a | r | a | not present in either tree at this path, skip as it
1867
# | | | may not be selected by the users list of paths.
1868
# fdlt | fdlt | | content in both: diff them
1869
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1870
# fdlt | a | | unversioned: output deleted id for now
1871
# fdlt | a | a | unversioned and deleted: output deleted id
1872
# fdlt | r | | relocated in this tree, so add target to search.
1873
# | | | Dont diff, we will see an r,fd; pair when we reach
1874
# | | | this id at the other path.
1875
# fdlt | r | a | relocated in this tree, so add target to search.
1876
# | | | Dont diff, we will see an r,fd; pair when we reach
1877
# | | | this id at the other path.
1879
# for all search_indexs in each path at or under each element of
1880
# search_specific_files, if the detail is relocated: add the id, and add the
1881
# relocated path as one to search if its not searched already. If the
1882
# detail is not relocated, add the id.
1883
searched_specific_files = set()
1884
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1885
# Using a list so that we can access the values and change them in
1886
# nested scope. Each one is [path, file_id, entry]
1887
last_source_parent = [None, None]
1888
last_target_parent = [None, None]
1890
use_filesystem_for_exec = (sys.platform != 'win32')
1892
# Just a sentry, so that _process_entry can say that this
1893
# record is handled, but isn't interesting to process (unchanged)
1894
uninteresting = object()
1897
old_dirname_to_file_id = {}
1898
new_dirname_to_file_id = {}
1899
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1900
# keeping a cache of directories that we have seen.
1902
def _process_entry(entry, path_info):
1903
"""Compare an entry and real disk to generate delta information.
1905
:param path_info: top_relpath, basename, kind, lstat, abspath for
1906
the path of entry. If None, then the path is considered absent.
1907
(Perhaps we should pass in a concrete entry for this ?)
1908
Basename is returned as a utf8 string because we expect this
1909
tuple will be ignored, and don't want to take the time to
1911
:return: None if these don't match
1912
A tuple of information about the change, or
1913
the object 'uninteresting' if these match, but are
1914
basically identical.
1916
if source_index is None:
1917
source_details = NULL_PARENT_DETAILS
1919
source_details = entry[1][source_index]
1920
target_details = entry[1][target_index]
1921
target_minikind = target_details[0]
1922
if path_info is not None and target_minikind in 'fdlt':
1923
assert target_index == 0
1924
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1925
stat_value=path_info[3])
1926
# The entry may have been modified by update_entry
1927
target_details = entry[1][target_index]
1928
target_minikind = target_details[0]
1931
file_id = entry[0][2]
1932
source_minikind = source_details[0]
1933
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1934
# claimed content in both: diff
1935
# r | fdlt | | add source to search, add id path move and perform
1936
# | | | diff check on source-target
1937
# r | fdlt | a | dangling file that was present in the basis.
1939
if source_minikind in 'r':
1940
# add the source to the search path to find any children it
1941
# has. TODO ? : only add if it is a container ?
1942
if not osutils.is_inside_any(searched_specific_files,
1944
search_specific_files.add(source_details[1])
1945
# generate the old path; this is needed for stating later
1947
old_path = source_details[1]
1948
old_dirname, old_basename = os.path.split(old_path)
1949
path = pathjoin(entry[0][0], entry[0][1])
1950
old_entry = state._get_entry(source_index,
1952
# update the source details variable to be the real
1954
source_details = old_entry[1][source_index]
1955
source_minikind = source_details[0]
1957
old_dirname = entry[0][0]
1958
old_basename = entry[0][1]
1959
old_path = path = None
1960
if path_info is None:
1961
# the file is missing on disk, show as removed.
1962
content_change = True
1966
# source and target are both versioned and disk file is present.
1967
target_kind = path_info[2]
1968
if target_kind == 'directory':
1970
old_path = path = pathjoin(old_dirname, old_basename)
1971
new_dirname_to_file_id[path] = file_id
1972
if source_minikind != 'd':
1973
content_change = True
1975
# directories have no fingerprint
1976
content_change = False
1978
elif target_kind == 'file':
1979
if source_minikind != 'f':
1980
content_change = True
1982
# We could check the size, but we already have the
1984
content_change = (link_or_sha1 != source_details[1])
1985
# Target details is updated at update_entry time
1986
if use_filesystem_for_exec:
1987
# We don't need S_ISREG here, because we are sure
1988
# we are dealing with a file.
1989
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1991
target_exec = target_details[3]
1992
elif target_kind == 'symlink':
1993
if source_minikind != 'l':
1994
content_change = True
1996
content_change = (link_or_sha1 != source_details[1])
1998
elif target_kind == 'tree-reference':
1999
if source_minikind != 't':
2000
content_change = True
2002
content_change = False
2005
raise Exception, "unknown kind %s" % path_info[2]
2006
if source_minikind == 'd':
2008
old_path = path = pathjoin(old_dirname, old_basename)
2009
old_dirname_to_file_id[old_path] = file_id
2010
# parent id is the entry for the path in the target tree
2011
if old_dirname == last_source_parent[0]:
2012
source_parent_id = last_source_parent[1]
2015
source_parent_id = old_dirname_to_file_id[old_dirname]
2017
source_parent_entry = state._get_entry(source_index,
2018
path_utf8=old_dirname)
2019
source_parent_id = source_parent_entry[0][2]
2020
if source_parent_id == entry[0][2]:
2021
# This is the root, so the parent is None
2022
source_parent_id = None
2024
last_source_parent[0] = old_dirname
2025
last_source_parent[1] = source_parent_id
2026
new_dirname = entry[0][0]
2027
if new_dirname == last_target_parent[0]:
2028
target_parent_id = last_target_parent[1]
2031
target_parent_id = new_dirname_to_file_id[new_dirname]
2033
# TODO: We don't always need to do the lookup, because the
2034
# parent entry will be the same as the source entry.
2035
target_parent_entry = state._get_entry(target_index,
2036
path_utf8=new_dirname)
2037
assert target_parent_entry != (None, None), (
2038
"Could not find target parent in wt: %s\nparent of: %s"
2039
% (new_dirname, entry))
2040
target_parent_id = target_parent_entry[0][2]
2041
if target_parent_id == entry[0][2]:
2042
# This is the root, so the parent is None
2043
target_parent_id = None
2045
last_target_parent[0] = new_dirname
2046
last_target_parent[1] = target_parent_id
2048
source_exec = source_details[3]
2049
if (include_unchanged
2051
or source_parent_id != target_parent_id
2052
or old_basename != entry[0][1]
2053
or source_exec != target_exec
2055
if old_path is None:
2056
old_path = path = pathjoin(old_dirname, old_basename)
2057
old_path_u = utf8_decode(old_path)[0]
2060
old_path_u = utf8_decode(old_path)[0]
2061
if old_path == path:
2064
path_u = utf8_decode(path)[0]
2065
source_kind = _minikind_to_kind[source_minikind]
2066
return (entry[0][2],
2067
(old_path_u, path_u),
2070
(source_parent_id, target_parent_id),
2071
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2072
(source_kind, target_kind),
2073
(source_exec, target_exec))
2075
return uninteresting
2076
elif source_minikind in 'a' and target_minikind in 'fdlt':
2077
# looks like a new file
2078
if path_info is not None:
2079
path = pathjoin(entry[0][0], entry[0][1])
2080
# parent id is the entry for the path in the target tree
2081
# TODO: these are the same for an entire directory: cache em.
2082
parent_id = state._get_entry(target_index,
2083
path_utf8=entry[0][0])[0][2]
2084
if parent_id == entry[0][2]:
2086
if use_filesystem_for_exec:
2087
# We need S_ISREG here, because we aren't sure if this
2090
stat.S_ISREG(path_info[3].st_mode)
2091
and stat.S_IEXEC & path_info[3].st_mode)
2093
target_exec = target_details[3]
2094
return (entry[0][2],
2095
(None, utf8_decode(path)[0]),
2099
(None, utf8_decode(entry[0][1])[0]),
2100
(None, path_info[2]),
2101
(None, target_exec))
2103
# but its not on disk: we deliberately treat this as just
2104
# never-present. (Why ?! - RBC 20070224)
2106
elif source_minikind in 'fdlt' and target_minikind in 'a':
2107
# unversioned, possibly, or possibly not deleted: we dont care.
2108
# if its still on disk, *and* theres no other entry at this
2109
# path [we dont know this in this routine at the moment -
2110
# perhaps we should change this - then it would be an unknown.
2111
old_path = pathjoin(entry[0][0], entry[0][1])
2112
# parent id is the entry for the path in the target tree
2113
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2114
if parent_id == entry[0][2]:
2116
return (entry[0][2],
2117
(utf8_decode(old_path)[0], None),
2121
(utf8_decode(entry[0][1])[0], None),
2122
(_minikind_to_kind[source_minikind], None),
2123
(source_details[3], None))
2124
elif source_minikind in 'fdlt' and target_minikind in 'r':
2125
# a rename; could be a true rename, or a rename inherited from
2126
# a renamed parent. TODO: handle this efficiently. Its not
2127
# common case to rename dirs though, so a correct but slow
2128
# implementation will do.
2129
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2130
search_specific_files.add(target_details[1])
2131
elif source_minikind in 'ra' and target_minikind in 'ra':
2132
# neither of the selected trees contain this file,
2133
# so skip over it. This is not currently directly tested, but
2134
# is indirectly via test_too_much.TestCommands.test_conflicts.
2137
raise AssertionError("don't know how to compare "
2138
"source_minikind=%r, target_minikind=%r"
2139
% (source_minikind, target_minikind))
2140
## import pdb;pdb.set_trace()
2143
while search_specific_files:
2144
# TODO: the pending list should be lexically sorted? the
2145
# interface doesn't require it.
2146
current_root = search_specific_files.pop()
2147
current_root_unicode = current_root.decode('utf8')
2148
searched_specific_files.add(current_root)
2149
# process the entries for this containing directory: the rest will be
2150
# found by their parents recursively.
2151
root_entries = _entries_for_path(current_root)
2152
root_abspath = self.target.abspath(current_root_unicode)
2154
root_stat = os.lstat(root_abspath)
2156
if e.errno == errno.ENOENT:
2157
# the path does not exist: let _process_entry know that.
2158
root_dir_info = None
2160
# some other random error: hand it up.
2163
root_dir_info = ('', current_root,
2164
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2166
if root_dir_info[2] == 'directory':
2167
if self.target._directory_is_tree_reference(
2168
current_root.decode('utf8')):
2169
root_dir_info = root_dir_info[:2] + \
2170
('tree-reference',) + root_dir_info[3:]
2172
if not root_entries and not root_dir_info:
2173
# this specified path is not present at all, skip it.
2175
path_handled = False
2176
for entry in root_entries:
2177
result = _process_entry(entry, root_dir_info)
2178
if result is not None:
2180
if result is not uninteresting:
2182
if want_unversioned and not path_handled and root_dir_info:
2183
new_executable = bool(
2184
stat.S_ISREG(root_dir_info[3].st_mode)
2185
and stat.S_IEXEC & root_dir_info[3].st_mode)
2187
(None, current_root_unicode),
2191
(None, splitpath(current_root_unicode)[-1]),
2192
(None, root_dir_info[2]),
2193
(None, new_executable)
2195
initial_key = (current_root, '', '')
2196
block_index, _ = state._find_block_index_from_key(initial_key)
2197
if block_index == 0:
2198
# we have processed the total root already, but because the
2199
# initial key matched it we should skip it here.
2201
if root_dir_info and root_dir_info[2] == 'tree-reference':
2202
current_dir_info = None
2204
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2206
current_dir_info = dir_iterator.next()
2208
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2209
# python 2.5 has e.errno == EINVAL,
2210
# and e.winerror == ERROR_DIRECTORY
2211
e_winerror = getattr(e, 'winerror', None)
2212
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2213
# there may be directories in the inventory even though
2214
# this path is not a file on disk: so mark it as end of
2216
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2217
current_dir_info = None
2218
elif (sys.platform == 'win32'
2219
and (e.errno in win_errors
2220
or e_winerror in win_errors)):
2221
current_dir_info = None
2225
if current_dir_info[0][0] == '':
2226
# remove .bzr from iteration
2227
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2228
assert current_dir_info[1][bzr_index][0] == '.bzr'
2229
del current_dir_info[1][bzr_index]
2230
# walk until both the directory listing and the versioned metadata
2232
if (block_index < len(state._dirblocks) and
2233
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2234
current_block = state._dirblocks[block_index]
2236
current_block = None
2237
while (current_dir_info is not None or
2238
current_block is not None):
2239
if (current_dir_info and current_block
2240
and current_dir_info[0][0] != current_block[0]):
2241
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2242
# filesystem data refers to paths not covered by the dirblock.
2243
# this has two possibilities:
2244
# A) it is versioned but empty, so there is no block for it
2245
# B) it is not versioned.
2247
# if (A) then we need to recurse into it to check for
2248
# new unknown files or directories.
2249
# if (B) then we should ignore it, because we don't
2250
# recurse into unknown directories.
2252
while path_index < len(current_dir_info[1]):
2253
current_path_info = current_dir_info[1][path_index]
2254
if want_unversioned:
2255
if current_path_info[2] == 'directory':
2256
if self.target._directory_is_tree_reference(
2257
current_path_info[0].decode('utf8')):
2258
current_path_info = current_path_info[:2] + \
2259
('tree-reference',) + current_path_info[3:]
2260
new_executable = bool(
2261
stat.S_ISREG(current_path_info[3].st_mode)
2262
and stat.S_IEXEC & current_path_info[3].st_mode)
2264
(None, utf8_decode(current_path_info[0])[0]),
2268
(None, utf8_decode(current_path_info[1])[0]),
2269
(None, current_path_info[2]),
2270
(None, new_executable))
2271
# dont descend into this unversioned path if it is
2273
if current_path_info[2] in ('directory',
2275
del current_dir_info[1][path_index]
2279
# This dir info has been handled, go to the next
2281
current_dir_info = dir_iterator.next()
2282
except StopIteration:
2283
current_dir_info = None
2285
# We have a dirblock entry for this location, but there
2286
# is no filesystem path for this. This is most likely
2287
# because a directory was removed from the disk.
2288
# We don't have to report the missing directory,
2289
# because that should have already been handled, but we
2290
# need to handle all of the files that are contained
2292
for current_entry in current_block[1]:
2293
# entry referring to file not present on disk.
2294
# advance the entry only, after processing.
2295
result = _process_entry(current_entry, None)
2296
if result is not None:
2297
if result is not uninteresting:
2300
if (block_index < len(state._dirblocks) and
2301
osutils.is_inside(current_root,
2302
state._dirblocks[block_index][0])):
2303
current_block = state._dirblocks[block_index]
2305
current_block = None
2308
if current_block and entry_index < len(current_block[1]):
2309
current_entry = current_block[1][entry_index]
2311
current_entry = None
2312
advance_entry = True
2314
if current_dir_info and path_index < len(current_dir_info[1]):
2315
current_path_info = current_dir_info[1][path_index]
2316
if current_path_info[2] == 'directory':
2317
if self.target._directory_is_tree_reference(
2318
current_path_info[0].decode('utf8')):
2319
current_path_info = current_path_info[:2] + \
2320
('tree-reference',) + current_path_info[3:]
2322
current_path_info = None
2324
path_handled = False
2325
while (current_entry is not None or
2326
current_path_info is not None):
2327
if current_entry is None:
2328
# the check for path_handled when the path is adnvaced
2329
# will yield this path if needed.
2331
elif current_path_info is None:
2332
# no path is fine: the per entry code will handle it.
2333
result = _process_entry(current_entry, current_path_info)
2334
if result is not None:
2335
if result is not uninteresting:
2337
elif (current_entry[0][1] != current_path_info[1]
2338
or current_entry[1][target_index][0] in 'ar'):
2339
# The current path on disk doesn't match the dirblock
2340
# record. Either the dirblock is marked as absent, or
2341
# the file on disk is not present at all in the
2342
# dirblock. Either way, report about the dirblock
2343
# entry, and let other code handle the filesystem one.
2345
# Compare the basename for these files to determine
2347
if current_path_info[1] < current_entry[0][1]:
2348
# extra file on disk: pass for now, but only
2349
# increment the path, not the entry
2350
advance_entry = False
2352
# entry referring to file not present on disk.
2353
# advance the entry only, after processing.
2354
result = _process_entry(current_entry, None)
2355
if result is not None:
2356
if result is not uninteresting:
2358
advance_path = False
2360
result = _process_entry(current_entry, current_path_info)
2361
if result is not None:
2363
if result is not uninteresting:
2365
if advance_entry and current_entry is not None:
2367
if entry_index < len(current_block[1]):
2368
current_entry = current_block[1][entry_index]
2370
current_entry = None
2372
advance_entry = True # reset the advance flaga
2373
if advance_path and current_path_info is not None:
2374
if not path_handled:
2375
# unversioned in all regards
2376
if want_unversioned:
2377
new_executable = bool(
2378
stat.S_ISREG(current_path_info[3].st_mode)
2379
and stat.S_IEXEC & current_path_info[3].st_mode)
2381
(None, utf8_decode(current_path_info[0])[0]),
2385
(None, utf8_decode(current_path_info[1])[0]),
2386
(None, current_path_info[2]),
2387
(None, new_executable))
2388
# dont descend into this unversioned path if it is
2390
if current_path_info[2] in ('directory'):
2391
del current_dir_info[1][path_index]
2393
# dont descend the disk iterator into any tree
2395
if current_path_info[2] == 'tree-reference':
2396
del current_dir_info[1][path_index]
2399
if path_index < len(current_dir_info[1]):
2400
current_path_info = current_dir_info[1][path_index]
2401
if current_path_info[2] == 'directory':
2402
if self.target._directory_is_tree_reference(
2403
current_path_info[0].decode('utf8')):
2404
current_path_info = current_path_info[:2] + \
2405
('tree-reference',) + current_path_info[3:]
2407
current_path_info = None
2408
path_handled = False
2410
advance_path = True # reset the advance flagg.
2411
if current_block is not None:
2413
if (block_index < len(state._dirblocks) and
2414
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2415
current_block = state._dirblocks[block_index]
2417
current_block = None
2418
if current_dir_info is not None:
2420
current_dir_info = dir_iterator.next()
2421
except StopIteration:
2422
current_dir_info = None
2426
def is_compatible(source, target):
2427
# the target must be a dirstate working tree
2428
if not isinstance(target, WorkingTree4):
2430
# the source must be a revtreee or dirstate rev tree.
2431
if not isinstance(source,
2432
(revisiontree.RevisionTree, DirStateRevisionTree)):
2434
# the source revid must be in the target dirstate
2435
if not (source._revision_id == NULL_REVISION or
2436
source._revision_id in target.get_parent_ids()):
2437
# TODO: what about ghosts? it may well need to
2438
# check for them explicitly.
2442
InterTree.register_optimiser(InterDirStateTree)
2445
class Converter3to4(object):
2446
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2449
self.target_format = WorkingTreeFormat4()
2451
def convert(self, tree):
2452
# lock the control files not the tree, so that we dont get tree
2453
# on-unlock behaviours, and so that noone else diddles with the
2454
# tree during upgrade.
2455
tree._control_files.lock_write()
2457
tree.read_working_inventory()
2458
self.create_dirstate_data(tree)
2459
self.update_format(tree)
2460
self.remove_xml_files(tree)
2462
tree._control_files.unlock()
2464
def create_dirstate_data(self, tree):
2465
"""Create the dirstate based data for tree."""
2466
local_path = tree.bzrdir.get_workingtree_transport(None
2467
).local_abspath('dirstate')
2468
state = dirstate.DirState.from_tree(tree, local_path)
2472
def remove_xml_files(self, tree):
2473
"""Remove the oldformat 3 data."""
2474
transport = tree.bzrdir.get_workingtree_transport(None)
2475
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2476
'pending-merges', 'stat-cache']:
2478
transport.delete(path)
2479
except errors.NoSuchFile:
2480
# some files are optional - just deal.
2483
def update_format(self, tree):
2484
"""Change the format marker."""
2485
tree._control_files.put_utf8('format',
2486
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
