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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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@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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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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extra="(Use --after to update the Bazaar id)")
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def rollback_rename():
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"""A single rename has failed, roll it back."""
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# roll back everything, even if we encounter trouble doing one
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# TODO: at least log the other exceptions rather than just
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# losing them mbp 20070307
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for rollback in reversed(rollbacks):
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exc_info = sys.exc_info()
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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)
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raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
751
rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
753
# perform the rename in the inventory next if needed: its easy
757
from_entry = inv[from_id]
758
current_parent = from_entry.parent_id
759
inv.rename(from_id, to_dir_id, from_tail)
761
lambda: inv.rename(from_id, current_parent, from_tail))
762
# finally do the rename in the dirstate, which is a little
763
# tricky to rollback, but least likely to need it.
764
old_block_index, old_entry_index, dir_present, file_present = \
765
state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
766
old_block = state._dirblocks[old_block_index][1]
767
old_entry = old_block[old_entry_index]
768
from_key, old_entry_details = old_entry
769
cur_details = old_entry_details[0]
771
to_key = ((to_block[0],) + from_key[1:3])
772
minikind = cur_details[0]
773
move_one(old_entry, from_path_utf8=from_rel_utf8,
775
executable=cur_details[3],
776
fingerprint=cur_details[1],
777
packed_stat=cur_details[4],
781
to_path_utf8=to_rel_utf8)
784
def update_dirblock(from_dir, to_key, to_dir_utf8):
785
"""Recursively update all entries in this dirblock."""
786
assert from_dir != '', "renaming root not supported"
787
from_key = (from_dir, '')
788
from_block_idx, present = \
789
state._find_block_index_from_key(from_key)
791
# This is the old record, if it isn't present, then
792
# there is theoretically nothing to update.
793
# (Unless it isn't present because of lazy loading,
794
# but we don't do that yet)
796
from_block = state._dirblocks[from_block_idx]
797
to_block_index, to_entry_index, _, _ = \
798
state._get_block_entry_index(to_key[0], to_key[1], 0)
799
to_block_index = state._ensure_block(
800
to_block_index, to_entry_index, to_dir_utf8)
801
to_block = state._dirblocks[to_block_index]
803
# Grab a copy since move_one may update the list.
804
for entry in from_block[1][:]:
805
assert entry[0][0] == from_dir
806
cur_details = entry[1][0]
807
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
808
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
809
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
810
minikind = cur_details[0]
812
# Deleted children of a renamed directory
813
# Do not need to be updated.
814
# Children that have been renamed out of this
815
# directory should also not be updated
817
move_one(entry, from_path_utf8=from_path_utf8,
819
executable=cur_details[3],
820
fingerprint=cur_details[1],
821
packed_stat=cur_details[4],
825
to_path_utf8=to_path_utf8)
827
# We need to move all the children of this
829
update_dirblock(from_path_utf8, to_key,
831
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
835
result.append((from_rel, to_rel))
836
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
837
self._make_dirty(reset_inventory=False)
841
def _must_be_locked(self):
842
if not self._control_files._lock_count:
843
raise errors.ObjectNotLocked(self)
846
"""Initialize the state in this tree to be a new tree."""
850
def path2id(self, path):
851
"""Return the id for path in this tree."""
852
path = path.strip('/')
853
entry = self._get_entry(path=path)
854
if entry == (None, None):
858
def paths2ids(self, paths, trees=[], require_versioned=True):
859
"""See Tree.paths2ids().
861
This specialisation fast-paths the case where all the trees are in the
866
parents = self.get_parent_ids()
868
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
870
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
871
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
872
# -- make all paths utf8 --
875
paths_utf8.add(path.encode('utf8'))
877
# -- paths is now a utf8 path set --
878
# -- get the state object and prepare it.
879
state = self.current_dirstate()
880
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
881
and '' not in paths):
882
paths2ids = self._paths2ids_using_bisect
884
paths2ids = self._paths2ids_in_memory
885
return paths2ids(paths, search_indexes,
886
require_versioned=require_versioned)
888
def _paths2ids_in_memory(self, paths, search_indexes,
889
require_versioned=True):
890
state = self.current_dirstate()
891
state._read_dirblocks_if_needed()
892
def _entries_for_path(path):
893
"""Return a list with all the entries that match path for all ids.
895
dirname, basename = os.path.split(path)
896
key = (dirname, basename, '')
897
block_index, present = state._find_block_index_from_key(key)
899
# the block which should contain path is absent.
902
block = state._dirblocks[block_index][1]
903
entry_index, _ = state._find_entry_index(key, block)
904
# we may need to look at multiple entries at this path: walk while the paths match.
905
while (entry_index < len(block) and
906
block[entry_index][0][0:2] == key[0:2]):
907
result.append(block[entry_index])
910
if require_versioned:
911
# -- check all supplied paths are versioned in a search tree. --
914
path_entries = _entries_for_path(path)
916
# this specified path is not present at all: error
917
all_versioned = False
919
found_versioned = False
920
# for each id at this path
921
for entry in path_entries:
923
for index in search_indexes:
924
if entry[1][index][0] != 'a': # absent
925
found_versioned = True
926
# all good: found a versioned cell
928
if not found_versioned:
929
# none of the indexes was not 'absent' at all ids for this
931
all_versioned = False
933
if not all_versioned:
934
raise errors.PathsNotVersionedError(paths)
935
# -- remove redundancy in supplied paths to prevent over-scanning --
936
search_paths = osutils.minimum_path_selection(paths)
938
# for all search_indexs in each path at or under each element of
939
# search_paths, if the detail is relocated: add the id, and add the
940
# relocated path as one to search if its not searched already. If the
941
# detail is not relocated, add the id.
942
searched_paths = set()
944
def _process_entry(entry):
945
"""Look at search_indexes within entry.
947
If a specific tree's details are relocated, add the relocation
948
target to search_paths if not searched already. If it is absent, do
949
nothing. Otherwise add the id to found_ids.
951
for index in search_indexes:
952
if entry[1][index][0] == 'r': # relocated
953
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
954
search_paths.add(entry[1][index][1])
955
elif entry[1][index][0] != 'a': # absent
956
found_ids.add(entry[0][2])
958
current_root = search_paths.pop()
959
searched_paths.add(current_root)
960
# process the entries for this containing directory: the rest will be
961
# found by their parents recursively.
962
root_entries = _entries_for_path(current_root)
964
# this specified path is not present at all, skip it.
966
for entry in root_entries:
967
_process_entry(entry)
968
initial_key = (current_root, '', '')
969
block_index, _ = state._find_block_index_from_key(initial_key)
970
while (block_index < len(state._dirblocks) and
971
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
972
for entry in state._dirblocks[block_index][1]:
973
_process_entry(entry)
977
def _paths2ids_using_bisect(self, paths, search_indexes,
978
require_versioned=True):
979
state = self.current_dirstate()
982
split_paths = sorted(osutils.split(p) for p in paths)
983
found = state._bisect_recursive(split_paths)
985
if require_versioned:
986
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
987
for dir_name in split_paths:
988
if dir_name not in found_dir_names:
989
raise errors.PathsNotVersionedError(paths)
991
for dir_name_id, trees_info in found.iteritems():
992
for index in search_indexes:
993
if trees_info[index][0] not in ('r', 'a'):
994
found_ids.add(dir_name_id[2])
997
def read_working_inventory(self):
998
"""Read the working inventory.
1000
This is a meaningless operation for dirstate, but we obey it anyhow.
1002
return self.inventory
1005
def revision_tree(self, revision_id):
1006
"""See Tree.revision_tree.
1008
WorkingTree4 supplies revision_trees for any basis tree.
1010
dirstate = self.current_dirstate()
1011
parent_ids = dirstate.get_parent_ids()
1012
if revision_id not in parent_ids:
1013
raise errors.NoSuchRevisionInTree(self, revision_id)
1014
if revision_id in dirstate.get_ghosts():
1015
raise errors.NoSuchRevisionInTree(self, revision_id)
1016
return DirStateRevisionTree(dirstate, revision_id,
1017
self.branch.repository)
1019
@needs_tree_write_lock
1020
def set_last_revision(self, new_revision):
1021
"""Change the last revision in the working tree."""
1022
parents = self.get_parent_ids()
1023
if new_revision in (NULL_REVISION, None):
1024
assert len(parents) < 2, (
1025
"setting the last parent to none with a pending merge is "
1027
self.set_parent_ids([])
1029
self.set_parent_ids([new_revision] + parents[1:],
1030
allow_leftmost_as_ghost=True)
1032
@needs_tree_write_lock
1033
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1034
"""Set the parent ids to revision_ids.
1036
See also set_parent_trees. This api will try to retrieve the tree data
1037
for each element of revision_ids from the trees repository. If you have
1038
tree data already available, it is more efficient to use
1039
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1040
an easier API to use.
1042
:param revision_ids: The revision_ids to set as the parent ids of this
1043
working tree. Any of these may be ghosts.
1046
for revision_id in revision_ids:
1048
revtree = self.branch.repository.revision_tree(revision_id)
1049
# TODO: jam 20070213 KnitVersionedFile raises
1050
# RevisionNotPresent rather than NoSuchRevision if a
1051
# given revision_id is not present. Should Repository be
1052
# catching it and re-raising NoSuchRevision?
1053
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1055
trees.append((revision_id, revtree))
1056
self.set_parent_trees(trees,
1057
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1059
@needs_tree_write_lock
1060
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1061
"""Set the parents of the working tree.
1063
:param parents_list: A list of (revision_id, tree) tuples.
1064
If tree is None, then that element is treated as an unreachable
1065
parent tree - i.e. a ghost.
1067
dirstate = self.current_dirstate()
1068
if len(parents_list) > 0:
1069
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1070
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1073
# convert absent trees to the null tree, which we convert back to
1074
# missing on access.
1075
for rev_id, tree in parents_list:
1076
_mod_revision.check_not_reserved_id(rev_id)
1077
if tree is not None:
1078
real_trees.append((rev_id, tree))
1080
real_trees.append((rev_id,
1081
self.branch.repository.revision_tree(None)))
1082
ghosts.append(rev_id)
1083
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1084
self._make_dirty(reset_inventory=False)
1086
def _set_root_id(self, file_id):
1087
"""See WorkingTree.set_root_id."""
1088
state = self.current_dirstate()
1089
state.set_path_id('', file_id)
1090
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1091
self._make_dirty(reset_inventory=True)
1093
def _sha_from_stat(self, path, stat_result):
1094
"""Get a sha digest from the tree's stat cache.
1096
The default implementation assumes no stat cache is present.
1098
:param path: The path.
1099
:param stat_result: The stat result being looked up.
1101
state = self.current_dirstate()
1102
# XXX: should we make the path be passed in as utf8 ?
1103
entry = state._get_entry(0, path_utf8=cache_utf8.encode(path))
1104
tree_details = entry[1][0]
1105
packed_stat = dirstate.pack_stat(stat_result)
1106
if tree_details[4] == packed_stat:
1107
return tree_details[1]
1112
def supports_tree_reference(self):
1113
return self._repo_supports_tree_reference
1116
"""Unlock in format 4 trees needs to write the entire dirstate."""
1117
# do non-implementation specific cleanup
1120
if self._control_files._lock_count == 1:
1121
# eventually we should do signature checking during read locks for
1123
if self._control_files._lock_mode == 'w':
1126
if self._dirstate is not None:
1127
# This is a no-op if there are no modifications.
1128
self._dirstate.save()
1129
self._dirstate.unlock()
1130
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1131
# point. Instead, it could check if the header has been
1132
# modified when it is locked, and if not, it can hang on to
1133
# the data it has in memory.
1134
self._dirstate = None
1135
self._inventory = None
1136
# reverse order of locking.
1138
return self._control_files.unlock()
1140
self.branch.unlock()
1142
@needs_tree_write_lock
1143
def unversion(self, file_ids):
1144
"""Remove the file ids in file_ids from the current versioned set.
1146
When a file_id is unversioned, all of its children are automatically
1149
:param file_ids: The file ids to stop versioning.
1150
:raises: NoSuchId if any fileid is not currently versioned.
1154
state = self.current_dirstate()
1155
state._read_dirblocks_if_needed()
1156
ids_to_unversion = set(file_ids)
1157
paths_to_unversion = set()
1159
# check if the root is to be unversioned, if so, assert for now.
1160
# walk the state marking unversioned things as absent.
1161
# if there are any un-unversioned ids at the end, raise
1162
for key, details in state._dirblocks[0][1]:
1163
if (details[0][0] not in ('a', 'r') and # absent or relocated
1164
key[2] in ids_to_unversion):
1165
# I haven't written the code to unversion / yet - it should be
1167
raise errors.BzrError('Unversioning the / is not currently supported')
1169
while block_index < len(state._dirblocks):
1170
# process one directory at a time.
1171
block = state._dirblocks[block_index]
1172
# first check: is the path one to remove - it or its children
1173
delete_block = False
1174
for path in paths_to_unversion:
1175
if (block[0].startswith(path) and
1176
(len(block[0]) == len(path) or
1177
block[0][len(path)] == '/')):
1178
# this entire block should be deleted - its the block for a
1179
# path to unversion; or the child of one
1182
# TODO: trim paths_to_unversion as we pass by paths
1184
# this block is to be deleted: process it.
1185
# TODO: we can special case the no-parents case and
1186
# just forget the whole block.
1188
while entry_index < len(block[1]):
1189
# Mark this file id as having been removed
1190
entry = block[1][entry_index]
1191
ids_to_unversion.discard(entry[0][2])
1192
if (entry[1][0][0] == 'a'
1193
or not state._make_absent(entry)):
1195
# go to the next block. (At the moment we dont delete empty
1200
while entry_index < len(block[1]):
1201
entry = block[1][entry_index]
1202
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1203
# ^ some parent row.
1204
entry[0][2] not in ids_to_unversion):
1205
# ^ not an id to unversion
1208
if entry[1][0][0] == 'd':
1209
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1210
if not state._make_absent(entry):
1212
# we have unversioned this id
1213
ids_to_unversion.remove(entry[0][2])
1215
if ids_to_unversion:
1216
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1217
self._make_dirty(reset_inventory=False)
1218
# have to change the legacy inventory too.
1219
if self._inventory is not None:
1220
for file_id in file_ids:
1221
self._inventory.remove_recursive_id(file_id)
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 dirstate is dirty will cause data loss"
1231
self.current_dirstate().set_state_from_inventory(inv)
1232
self._make_dirty(reset_inventory=False)
1233
if self._inventory is not None:
1234
self._inventory = inv
1238
class WorkingTreeFormat4(WorkingTreeFormat3):
1239
"""The first consolidated dirstate working tree format.
1242
- exists within a metadir controlling .bzr
1243
- includes an explicit version marker for the workingtree control
1244
files, separate from the BzrDir format
1245
- modifies the hash cache format
1246
- is new in bzr 0.15
1247
- uses a LockDir to guard access to it.
1250
upgrade_recommended = False
1252
def get_format_string(self):
1253
"""See WorkingTreeFormat.get_format_string()."""
1254
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1256
def get_format_description(self):
1257
"""See WorkingTreeFormat.get_format_description()."""
1258
return "Working tree format 4"
1260
def initialize(self, a_bzrdir, revision_id=None):
1261
"""See WorkingTreeFormat.initialize().
1263
:param revision_id: allows creating a working tree at a different
1264
revision than the branch is at.
1266
These trees get an initial random root id, if their repository supports
1267
rich root data, TREE_ROOT otherwise.
1269
if not isinstance(a_bzrdir.transport, LocalTransport):
1270
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1271
transport = a_bzrdir.get_workingtree_transport(self)
1272
control_files = self._open_control_files(a_bzrdir)
1273
control_files.create_lock()
1274
control_files.lock_write()
1275
control_files.put_utf8('format', self.get_format_string())
1276
branch = a_bzrdir.open_branch()
1277
if revision_id is None:
1278
revision_id = branch.last_revision()
1279
local_path = transport.local_abspath('dirstate')
1280
# write out new dirstate (must exist when we create the tree)
1281
state = dirstate.DirState.initialize(local_path)
1284
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1288
_control_files=control_files)
1290
wt.lock_tree_write()
1292
if revision_id in (None, NULL_REVISION):
1293
if branch.repository.supports_rich_root():
1294
wt._set_root_id(generate_ids.gen_root_id())
1296
wt._set_root_id(ROOT_ID)
1298
wt.set_last_revision(revision_id)
1300
basis = wt.basis_tree()
1302
# if the basis has a root id we have to use that; otherwise we use
1304
basis_root_id = basis.get_root_id()
1305
if basis_root_id is not None:
1306
wt._set_root_id(basis_root_id)
1308
transform.build_tree(basis, wt)
1311
control_files.unlock()
1315
def _open(self, a_bzrdir, control_files):
1316
"""Open the tree itself.
1318
:param a_bzrdir: the dir for the tree.
1319
:param control_files: the control files for the tree.
1321
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1322
branch=a_bzrdir.open_branch(),
1325
_control_files=control_files)
1327
def __get_matchingbzrdir(self):
1328
# please test against something that will let us do tree references
1329
return bzrdir.format_registry.make_bzrdir(
1330
'dirstate-with-subtree')
1332
_matchingbzrdir = property(__get_matchingbzrdir)
1335
class DirStateRevisionTree(Tree):
1336
"""A revision tree pulling the inventory from a dirstate."""
1338
def __init__(self, dirstate, revision_id, repository):
1339
self._dirstate = dirstate
1340
self._revision_id = revision_id
1341
self._repository = repository
1342
self._inventory = None
1344
self._dirstate_locked = False
1347
return "<%s of %s in %s>" % \
1348
(self.__class__.__name__, self._revision_id, self._dirstate)
1350
def annotate_iter(self, file_id,
1351
default_revision=_mod_revision.CURRENT_REVISION):
1352
"""See Tree.annotate_iter"""
1353
w = self._get_weave(file_id)
1354
return w.annotate_iter(self.inventory[file_id].revision)
1356
def _get_ancestors(self, default_revision):
1357
return set(self._repository.get_ancestry(self._revision_id,
1359
def _comparison_data(self, entry, path):
1360
"""See Tree._comparison_data."""
1362
return None, False, None
1363
# trust the entry as RevisionTree does, but this may not be
1364
# sensible: the entry might not have come from us?
1365
return entry.kind, entry.executable, None
1367
def _file_size(self, entry, stat_value):
1368
return entry.text_size
1370
def filter_unversioned_files(self, paths):
1371
"""Filter out paths that are not versioned.
1373
:return: set of paths.
1375
pred = self.has_filename
1376
return set((p for p in paths if not pred(p)))
1378
def get_root_id(self):
1379
return self.path2id('')
1381
def _get_parent_index(self):
1382
"""Return the index in the dirstate referenced by this tree."""
1383
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1385
def _get_entry(self, file_id=None, path=None):
1386
"""Get the dirstate row for file_id or path.
1388
If either file_id or path is supplied, it is used as the key to lookup.
1389
If both are supplied, the fastest lookup is used, and an error is
1390
raised if they do not both point at the same row.
1392
:param file_id: An optional unicode file_id to be looked up.
1393
:param path: An optional unicode path to be looked up.
1394
:return: The dirstate row tuple for path/file_id, or (None, None)
1396
if file_id is None and path is None:
1397
raise errors.BzrError('must supply file_id or path')
1398
if path is not None:
1399
path = path.encode('utf8')
1400
parent_index = self._get_parent_index()
1401
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1403
def _generate_inventory(self):
1404
"""Create and set self.inventory from the dirstate object.
1406
(So this is only called the first time the inventory is requested for
1407
this tree; it then remains in memory until it's out of date.)
1409
This is relatively expensive: we have to walk the entire dirstate.
1411
assert self._locked, 'cannot generate inventory of an unlocked '\
1412
'dirstate revision tree'
1413
# separate call for profiling - makes it clear where the costs are.
1414
self._dirstate._read_dirblocks_if_needed()
1415
assert self._revision_id in self._dirstate.get_parent_ids(), \
1416
'parent %s has disappeared from %s' % (
1417
self._revision_id, self._dirstate.get_parent_ids())
1418
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1419
# This is identical now to the WorkingTree _generate_inventory except
1420
# for the tree index use.
1421
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1422
current_id = root_key[2]
1423
assert current_entry[parent_index][0] == 'd'
1424
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1425
inv.root.revision = current_entry[parent_index][4]
1426
# Turn some things into local variables
1427
minikind_to_kind = dirstate.DirState._minikind_to_kind
1428
factory = entry_factory
1429
utf8_decode = cache_utf8._utf8_decode
1430
inv_byid = inv._byid
1431
# we could do this straight out of the dirstate; it might be fast
1432
# and should be profiled - RBC 20070216
1433
parent_ies = {'' : inv.root}
1434
for block in self._dirstate._dirblocks[1:]: #skip root
1437
parent_ie = parent_ies[dirname]
1439
# all the paths in this block are not versioned in this tree
1441
for key, entry in block[1]:
1442
minikind, fingerprint, size, executable, revid = entry[parent_index]
1443
if minikind in ('a', 'r'): # absent, relocated
1447
name_unicode = utf8_decode(name)[0]
1449
kind = minikind_to_kind[minikind]
1450
inv_entry = factory[kind](file_id, name_unicode,
1452
inv_entry.revision = revid
1454
inv_entry.executable = executable
1455
inv_entry.text_size = size
1456
inv_entry.text_sha1 = fingerprint
1457
elif kind == 'directory':
1458
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1459
elif kind == 'symlink':
1460
inv_entry.executable = False
1461
inv_entry.text_size = None
1462
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1463
elif kind == 'tree-reference':
1464
inv_entry.reference_revision = fingerprint or None
1466
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1468
# These checks cost us around 40ms on a 55k entry tree
1469
assert file_id not in inv_byid
1470
assert name_unicode not in parent_ie.children
1471
inv_byid[file_id] = inv_entry
1472
parent_ie.children[name_unicode] = inv_entry
1473
self._inventory = inv
1475
def get_file_mtime(self, file_id, path=None):
1476
"""Return the modification time for this record.
1478
We return the timestamp of the last-changed revision.
1480
# Make sure the file exists
1481
entry = self._get_entry(file_id, path=path)
1482
if entry == (None, None): # do we raise?
1484
parent_index = self._get_parent_index()
1485
last_changed_revision = entry[1][parent_index][4]
1486
return self._repository.get_revision(last_changed_revision).timestamp
1488
def get_file_sha1(self, file_id, path=None, stat_value=None):
1489
entry = self._get_entry(file_id=file_id, path=path)
1490
parent_index = self._get_parent_index()
1491
parent_details = entry[1][parent_index]
1492
if parent_details[0] == 'f':
1493
return parent_details[1]
1496
@symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
1497
def get_weave(self, file_id):
1498
return self._get_weave(file_id)
1500
def _get_weave(self, file_id):
1501
return self._repository.weave_store.get_weave(file_id,
1502
self._repository.get_transaction())
1504
def get_file(self, file_id, path=None):
1505
return StringIO(self.get_file_text(file_id))
1507
def get_file_lines(self, file_id):
1508
ie = self.inventory[file_id]
1509
return self._get_weave(file_id).get_lines(ie.revision)
1511
def get_file_size(self, file_id):
1512
return self.inventory[file_id].text_size
1514
def get_file_text(self, file_id):
1515
return ''.join(self.get_file_lines(file_id))
1517
def get_reference_revision(self, file_id, path=None):
1518
return self.inventory[file_id].reference_revision
1520
def iter_files_bytes(self, desired_files):
1521
"""See Tree.iter_files_bytes.
1523
This version is implemented on top of Repository.iter_files_bytes"""
1524
parent_index = self._get_parent_index()
1525
repo_desired_files = []
1526
for file_id, identifier in desired_files:
1527
entry = self._get_entry(file_id)
1528
if entry == (None, None):
1529
raise errors.NoSuchId(self, file_id)
1530
repo_desired_files.append((file_id, entry[1][parent_index][4],
1532
return self._repository.iter_files_bytes(repo_desired_files)
1534
def get_symlink_target(self, file_id):
1535
entry = self._get_entry(file_id=file_id)
1536
parent_index = self._get_parent_index()
1537
if entry[1][parent_index][0] != 'l':
1540
# At present, none of the tree implementations supports non-ascii
1541
# symlink targets. So we will just assume that the dirstate path is
1543
return entry[1][parent_index][1]
1545
def get_revision_id(self):
1546
"""Return the revision id for this tree."""
1547
return self._revision_id
1549
def _get_inventory(self):
1550
if self._inventory is not None:
1551
return self._inventory
1552
self._must_be_locked()
1553
self._generate_inventory()
1554
return self._inventory
1556
inventory = property(_get_inventory,
1557
doc="Inventory of this Tree")
1559
def get_parent_ids(self):
1560
"""The parents of a tree in the dirstate are not cached."""
1561
return self._repository.get_revision(self._revision_id).parent_ids
1563
def has_filename(self, filename):
1564
return bool(self.path2id(filename))
1566
def kind(self, file_id):
1567
return self.inventory[file_id].kind
1569
def path_content_summary(self, path):
1570
"""See Tree.path_content_summary."""
1571
id = self.inventory.path2id(path)
1573
return ('missing', None, None, None)
1574
entry = self._inventory[id]
1577
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1578
elif kind == 'symlink':
1579
return (kind, None, None, entry.symlink_target)
1581
return (kind, None, None, None)
1583
def is_executable(self, file_id, path=None):
1584
ie = self.inventory[file_id]
1585
if ie.kind != "file":
1587
return ie.executable
1589
def list_files(self, include_root=False):
1590
# We use a standard implementation, because DirStateRevisionTree is
1591
# dealing with one of the parents of the current state
1592
inv = self._get_inventory()
1593
entries = inv.iter_entries()
1594
if self.inventory.root is not None and not include_root:
1596
for path, entry in entries:
1597
yield path, 'V', entry.kind, entry.file_id, entry
1599
def lock_read(self):
1600
"""Lock the tree for a set of operations."""
1601
if not self._locked:
1602
self._repository.lock_read()
1603
if self._dirstate._lock_token is None:
1604
self._dirstate.lock_read()
1605
self._dirstate_locked = True
1608
def _must_be_locked(self):
1609
if not self._locked:
1610
raise errors.ObjectNotLocked(self)
1613
def path2id(self, path):
1614
"""Return the id for path in this tree."""
1615
# lookup by path: faster than splitting and walking the ivnentory.
1616
entry = self._get_entry(path=path)
1617
if entry == (None, None):
1622
"""Unlock, freeing any cache memory used during the lock."""
1623
# outside of a lock, the inventory is suspect: release it.
1625
if not self._locked:
1626
self._inventory = None
1628
if self._dirstate_locked:
1629
self._dirstate.unlock()
1630
self._dirstate_locked = False
1631
self._repository.unlock()
1633
def walkdirs(self, prefix=""):
1634
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1635
# implementation based on an inventory.
1636
# This should be cleaned up to use the much faster Dirstate code
1637
# So for now, we just build up the parent inventory, and extract
1638
# it the same way RevisionTree does.
1639
_directory = 'directory'
1640
inv = self._get_inventory()
1641
top_id = inv.path2id(prefix)
1645
pending = [(prefix, top_id)]
1648
relpath, file_id = pending.pop()
1649
# 0 - relpath, 1- file-id
1651
relroot = relpath + '/'
1654
# FIXME: stash the node in pending
1655
entry = inv[file_id]
1656
for name, child in entry.sorted_children():
1657
toppath = relroot + name
1658
dirblock.append((toppath, name, child.kind, None,
1659
child.file_id, child.kind
1661
yield (relpath, entry.file_id), dirblock
1662
# push the user specified dirs from dirblock
1663
for dir in reversed(dirblock):
1664
if dir[2] == _directory:
1665
pending.append((dir[0], dir[4]))
1668
class InterDirStateTree(InterTree):
1669
"""Fast path optimiser for changes_from with dirstate trees.
1671
This is used only when both trees are in the dirstate working file, and
1672
the source is any parent within the dirstate, and the destination is
1673
the current working tree of the same dirstate.
1675
# this could be generalized to allow comparisons between any trees in the
1676
# dirstate, and possibly between trees stored in different dirstates.
1678
def __init__(self, source, target):
1679
super(InterDirStateTree, self).__init__(source, target)
1680
if not InterDirStateTree.is_compatible(source, target):
1681
raise Exception, "invalid source %r and target %r" % (source, target)
1684
def make_source_parent_tree(source, target):
1685
"""Change the source tree into a parent of the target."""
1686
revid = source.commit('record tree')
1687
target.branch.repository.fetch(source.branch.repository, revid)
1688
target.set_parent_ids([revid])
1689
return target.basis_tree(), target
1691
_matching_from_tree_format = WorkingTreeFormat4()
1692
_matching_to_tree_format = WorkingTreeFormat4()
1693
_test_mutable_trees_to_test_trees = make_source_parent_tree
1695
def _iter_changes(self, include_unchanged=False,
1696
specific_files=None, pb=None, extra_trees=[],
1697
require_versioned=True, want_unversioned=False):
1698
"""Return the changes from source to target.
1700
:return: An iterator that yields tuples. See InterTree._iter_changes
1702
:param specific_files: An optional list of file paths to restrict the
1703
comparison to. When mapping filenames to ids, all matches in all
1704
trees (including optional extra_trees) are used, and all children of
1705
matched directories are included.
1706
:param include_unchanged: An optional boolean requesting the inclusion of
1707
unchanged entries in the result.
1708
:param extra_trees: An optional list of additional trees to use when
1709
mapping the contents of specific_files (paths) to file_ids.
1710
:param require_versioned: If True, all files in specific_files must be
1711
versioned in one of source, target, extra_trees or
1712
PathsNotVersionedError is raised.
1713
:param want_unversioned: Should unversioned files be returned in the
1714
output. An unversioned file is defined as one with (False, False)
1715
for the versioned pair.
1717
utf8_decode = cache_utf8._utf8_decode
1718
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1719
cmp_by_dirs = dirstate.cmp_by_dirs
1720
# NB: show_status depends on being able to pass in non-versioned files
1721
# and report them as unknown
1722
# TODO: handle extra trees in the dirstate.
1723
# TODO: handle comparisons as an empty tree as a different special
1724
# case? mbp 20070226
1725
if (extra_trees or (self.source._revision_id == NULL_REVISION)
1726
or specific_files == []):
1727
# we can't fast-path these cases (yet)
1728
for f in super(InterDirStateTree, self)._iter_changes(
1729
include_unchanged, specific_files, pb, extra_trees,
1730
require_versioned, want_unversioned=want_unversioned):
1733
parent_ids = self.target.get_parent_ids()
1734
assert (self.source._revision_id in parent_ids), \
1735
"revision {%s} is not stored in {%s}, but %s " \
1736
"can only be used for trees stored in the dirstate" \
1737
% (self.source._revision_id, self.target, self._iter_changes)
1739
if self.source._revision_id == NULL_REVISION:
1741
indices = (target_index,)
1743
assert (self.source._revision_id in parent_ids), \
1744
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1745
self.source._revision_id, parent_ids)
1746
source_index = 1 + parent_ids.index(self.source._revision_id)
1747
indices = (source_index,target_index)
1748
# -- make all specific_files utf8 --
1750
specific_files_utf8 = set()
1751
for path in specific_files:
1752
specific_files_utf8.add(path.encode('utf8'))
1753
specific_files = specific_files_utf8
1755
specific_files = set([''])
1756
# -- specific_files is now a utf8 path set --
1757
# -- get the state object and prepare it.
1758
state = self.target.current_dirstate()
1759
state._read_dirblocks_if_needed()
1760
def _entries_for_path(path):
1761
"""Return a list with all the entries that match path for all ids.
1763
dirname, basename = os.path.split(path)
1764
key = (dirname, basename, '')
1765
block_index, present = state._find_block_index_from_key(key)
1767
# the block which should contain path is absent.
1770
block = state._dirblocks[block_index][1]
1771
entry_index, _ = state._find_entry_index(key, block)
1772
# we may need to look at multiple entries at this path: walk while the specific_files match.
1773
while (entry_index < len(block) and
1774
block[entry_index][0][0:2] == key[0:2]):
1775
result.append(block[entry_index])
1778
if require_versioned:
1779
# -- check all supplied paths are versioned in a search tree. --
1780
all_versioned = True
1781
for path in specific_files:
1782
path_entries = _entries_for_path(path)
1783
if not path_entries:
1784
# this specified path is not present at all: error
1785
all_versioned = False
1787
found_versioned = False
1788
# for each id at this path
1789
for entry in path_entries:
1791
for index in indices:
1792
if entry[1][index][0] != 'a': # absent
1793
found_versioned = True
1794
# all good: found a versioned cell
1796
if not found_versioned:
1797
# none of the indexes was not 'absent' at all ids for this
1799
all_versioned = False
1801
if not all_versioned:
1802
raise errors.PathsNotVersionedError(specific_files)
1803
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1804
search_specific_files = set()
1805
for path in specific_files:
1806
other_specific_files = specific_files.difference(set([path]))
1807
if not osutils.is_inside_any(other_specific_files, path):
1808
# this is a top level path, we must check it.
1809
search_specific_files.add(path)
1811
# compare source_index and target_index at or under each element of search_specific_files.
1812
# follow the following comparison table. Note that we only want to do diff operations when
1813
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1817
# Source | Target | disk | action
1818
# r | fdlt | | add source to search, add id path move and perform
1819
# | | | diff check on source-target
1820
# r | fdlt | a | dangling file that was present in the basis.
1822
# r | a | | add source to search
1824
# r | r | | this path is present in a non-examined tree, skip.
1825
# r | r | a | this path is present in a non-examined tree, skip.
1826
# a | fdlt | | add new id
1827
# a | fdlt | a | dangling locally added file, skip
1828
# a | a | | not present in either tree, skip
1829
# a | a | a | not present in any tree, skip
1830
# a | r | | not present in either tree at this path, skip as it
1831
# | | | may not be selected by the users list of paths.
1832
# a | r | a | not present in either tree at this path, skip as it
1833
# | | | may not be selected by the users list of paths.
1834
# fdlt | fdlt | | content in both: diff them
1835
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1836
# fdlt | a | | unversioned: output deleted id for now
1837
# fdlt | a | a | unversioned and deleted: output deleted id
1838
# fdlt | r | | relocated in this tree, so add target to search.
1839
# | | | Dont diff, we will see an r,fd; pair when we reach
1840
# | | | this id at the other path.
1841
# fdlt | r | a | relocated in this tree, so add target to search.
1842
# | | | Dont diff, we will see an r,fd; pair when we reach
1843
# | | | this id at the other path.
1845
# for all search_indexs in each path at or under each element of
1846
# search_specific_files, if the detail is relocated: add the id, and add the
1847
# relocated path as one to search if its not searched already. If the
1848
# detail is not relocated, add the id.
1849
searched_specific_files = set()
1850
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1851
# Using a list so that we can access the values and change them in
1852
# nested scope. Each one is [path, file_id, entry]
1853
last_source_parent = [None, None]
1854
last_target_parent = [None, None]
1856
use_filesystem_for_exec = (sys.platform != 'win32')
1858
# Just a sentry, so that _process_entry can say that this
1859
# record is handled, but isn't interesting to process (unchanged)
1860
uninteresting = object()
1863
old_dirname_to_file_id = {}
1864
new_dirname_to_file_id = {}
1865
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1866
# keeping a cache of directories that we have seen.
1868
def _process_entry(entry, path_info):
1869
"""Compare an entry and real disk to generate delta information.
1871
:param path_info: top_relpath, basename, kind, lstat, abspath for
1872
the path of entry. If None, then the path is considered absent.
1873
(Perhaps we should pass in a concrete entry for this ?)
1874
Basename is returned as a utf8 string because we expect this
1875
tuple will be ignored, and don't want to take the time to
1877
:return: None if these don't match
1878
A tuple of information about the change, or
1879
the object 'uninteresting' if these match, but are
1880
basically identical.
1882
if source_index is None:
1883
source_details = NULL_PARENT_DETAILS
1885
source_details = entry[1][source_index]
1886
target_details = entry[1][target_index]
1887
target_minikind = target_details[0]
1888
if path_info is not None and target_minikind in 'fdlt':
1889
assert target_index == 0
1890
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1891
stat_value=path_info[3])
1892
# The entry may have been modified by update_entry
1893
target_details = entry[1][target_index]
1894
target_minikind = target_details[0]
1897
file_id = entry[0][2]
1898
source_minikind = source_details[0]
1899
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1900
# claimed content in both: diff
1901
# r | fdlt | | add source to search, add id path move and perform
1902
# | | | diff check on source-target
1903
# r | fdlt | a | dangling file that was present in the basis.
1905
if source_minikind in 'r':
1906
# add the source to the search path to find any children it
1907
# has. TODO ? : only add if it is a container ?
1908
if not osutils.is_inside_any(searched_specific_files,
1910
search_specific_files.add(source_details[1])
1911
# generate the old path; this is needed for stating later
1913
old_path = source_details[1]
1914
old_dirname, old_basename = os.path.split(old_path)
1915
path = pathjoin(entry[0][0], entry[0][1])
1916
old_entry = state._get_entry(source_index,
1918
# update the source details variable to be the real
1920
source_details = old_entry[1][source_index]
1921
source_minikind = source_details[0]
1923
old_dirname = entry[0][0]
1924
old_basename = entry[0][1]
1925
old_path = path = None
1926
if path_info is None:
1927
# the file is missing on disk, show as removed.
1928
content_change = True
1932
# source and target are both versioned and disk file is present.
1933
target_kind = path_info[2]
1934
if target_kind == 'directory':
1936
old_path = path = pathjoin(old_dirname, old_basename)
1937
new_dirname_to_file_id[path] = file_id
1938
if source_minikind != 'd':
1939
content_change = True
1941
# directories have no fingerprint
1942
content_change = False
1944
elif target_kind == 'file':
1945
if source_minikind != 'f':
1946
content_change = True
1948
# We could check the size, but we already have the
1950
content_change = (link_or_sha1 != source_details[1])
1951
# Target details is updated at update_entry time
1952
if use_filesystem_for_exec:
1953
# We don't need S_ISREG here, because we are sure
1954
# we are dealing with a file.
1955
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1957
target_exec = target_details[3]
1958
elif target_kind == 'symlink':
1959
if source_minikind != 'l':
1960
content_change = True
1962
content_change = (link_or_sha1 != source_details[1])
1964
elif target_kind == 'tree-reference':
1965
if source_minikind != 't':
1966
content_change = True
1968
content_change = False
1971
raise Exception, "unknown kind %s" % path_info[2]
1972
if source_minikind == 'd':
1974
old_path = path = pathjoin(old_dirname, old_basename)
1975
old_dirname_to_file_id[old_path] = file_id
1976
# parent id is the entry for the path in the target tree
1977
if old_dirname == last_source_parent[0]:
1978
source_parent_id = last_source_parent[1]
1981
source_parent_id = old_dirname_to_file_id[old_dirname]
1983
source_parent_entry = state._get_entry(source_index,
1984
path_utf8=old_dirname)
1985
source_parent_id = source_parent_entry[0][2]
1986
if source_parent_id == entry[0][2]:
1987
# This is the root, so the parent is None
1988
source_parent_id = None
1990
last_source_parent[0] = old_dirname
1991
last_source_parent[1] = source_parent_id
1992
new_dirname = entry[0][0]
1993
if new_dirname == last_target_parent[0]:
1994
target_parent_id = last_target_parent[1]
1997
target_parent_id = new_dirname_to_file_id[new_dirname]
1999
# TODO: We don't always need to do the lookup, because the
2000
# parent entry will be the same as the source entry.
2001
target_parent_entry = state._get_entry(target_index,
2002
path_utf8=new_dirname)
2003
assert target_parent_entry != (None, None), (
2004
"Could not find target parent in wt: %s\nparent of: %s"
2005
% (new_dirname, entry))
2006
target_parent_id = target_parent_entry[0][2]
2007
if target_parent_id == entry[0][2]:
2008
# This is the root, so the parent is None
2009
target_parent_id = None
2011
last_target_parent[0] = new_dirname
2012
last_target_parent[1] = target_parent_id
2014
source_exec = source_details[3]
2015
if (include_unchanged
2017
or source_parent_id != target_parent_id
2018
or old_basename != entry[0][1]
2019
or source_exec != target_exec
2021
if old_path is None:
2022
old_path = path = pathjoin(old_dirname, old_basename)
2023
old_path_u = utf8_decode(old_path)[0]
2026
old_path_u = utf8_decode(old_path)[0]
2027
if old_path == path:
2030
path_u = utf8_decode(path)[0]
2031
source_kind = _minikind_to_kind[source_minikind]
2032
return (entry[0][2],
2033
(old_path_u, path_u),
2036
(source_parent_id, target_parent_id),
2037
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2038
(source_kind, target_kind),
2039
(source_exec, target_exec))
2041
return uninteresting
2042
elif source_minikind in 'a' and target_minikind in 'fdlt':
2043
# looks like a new file
2044
if path_info is not None:
2045
path = pathjoin(entry[0][0], entry[0][1])
2046
# parent id is the entry for the path in the target tree
2047
# TODO: these are the same for an entire directory: cache em.
2048
parent_id = state._get_entry(target_index,
2049
path_utf8=entry[0][0])[0][2]
2050
if parent_id == entry[0][2]:
2052
if use_filesystem_for_exec:
2053
# We need S_ISREG here, because we aren't sure if this
2056
stat.S_ISREG(path_info[3].st_mode)
2057
and stat.S_IEXEC & path_info[3].st_mode)
2059
target_exec = target_details[3]
2060
return (entry[0][2],
2061
(None, utf8_decode(path)[0]),
2065
(None, utf8_decode(entry[0][1])[0]),
2066
(None, path_info[2]),
2067
(None, target_exec))
2069
# but its not on disk: we deliberately treat this as just
2070
# never-present. (Why ?! - RBC 20070224)
2072
elif source_minikind in 'fdlt' and target_minikind in 'a':
2073
# unversioned, possibly, or possibly not deleted: we dont care.
2074
# if its still on disk, *and* theres no other entry at this
2075
# path [we dont know this in this routine at the moment -
2076
# perhaps we should change this - then it would be an unknown.
2077
old_path = pathjoin(entry[0][0], entry[0][1])
2078
# parent id is the entry for the path in the target tree
2079
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2080
if parent_id == entry[0][2]:
2082
return (entry[0][2],
2083
(utf8_decode(old_path)[0], None),
2087
(utf8_decode(entry[0][1])[0], None),
2088
(_minikind_to_kind[source_minikind], None),
2089
(source_details[3], None))
2090
elif source_minikind in 'fdlt' and target_minikind in 'r':
2091
# a rename; could be a true rename, or a rename inherited from
2092
# a renamed parent. TODO: handle this efficiently. Its not
2093
# common case to rename dirs though, so a correct but slow
2094
# implementation will do.
2095
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2096
search_specific_files.add(target_details[1])
2097
elif source_minikind in 'ra' and target_minikind in 'ra':
2098
# neither of the selected trees contain this file,
2099
# so skip over it. This is not currently directly tested, but
2100
# is indirectly via test_too_much.TestCommands.test_conflicts.
2103
raise AssertionError("don't know how to compare "
2104
"source_minikind=%r, target_minikind=%r"
2105
% (source_minikind, target_minikind))
2106
## import pdb;pdb.set_trace()
2109
while search_specific_files:
2110
# TODO: the pending list should be lexically sorted? the
2111
# interface doesn't require it.
2112
current_root = search_specific_files.pop()
2113
current_root_unicode = current_root.decode('utf8')
2114
searched_specific_files.add(current_root)
2115
# process the entries for this containing directory: the rest will be
2116
# found by their parents recursively.
2117
root_entries = _entries_for_path(current_root)
2118
root_abspath = self.target.abspath(current_root_unicode)
2120
root_stat = os.lstat(root_abspath)
2122
if e.errno == errno.ENOENT:
2123
# the path does not exist: let _process_entry know that.
2124
root_dir_info = None
2126
# some other random error: hand it up.
2129
root_dir_info = ('', current_root,
2130
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2132
if root_dir_info[2] == 'directory':
2133
if self.target._directory_is_tree_reference(
2134
current_root.decode('utf8')):
2135
root_dir_info = root_dir_info[:2] + \
2136
('tree-reference',) + root_dir_info[3:]
2138
if not root_entries and not root_dir_info:
2139
# this specified path is not present at all, skip it.
2141
path_handled = False
2142
for entry in root_entries:
2143
result = _process_entry(entry, root_dir_info)
2144
if result is not None:
2146
if result is not uninteresting:
2148
if want_unversioned and not path_handled and root_dir_info:
2149
new_executable = bool(
2150
stat.S_ISREG(root_dir_info[3].st_mode)
2151
and stat.S_IEXEC & root_dir_info[3].st_mode)
2153
(None, current_root_unicode),
2157
(None, splitpath(current_root_unicode)[-1]),
2158
(None, root_dir_info[2]),
2159
(None, new_executable)
2161
initial_key = (current_root, '', '')
2162
block_index, _ = state._find_block_index_from_key(initial_key)
2163
if block_index == 0:
2164
# we have processed the total root already, but because the
2165
# initial key matched it we should skip it here.
2167
if root_dir_info and root_dir_info[2] == 'tree-reference':
2168
current_dir_info = None
2170
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2172
current_dir_info = dir_iterator.next()
2174
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2175
# python 2.5 has e.errno == EINVAL,
2176
# and e.winerror == ERROR_DIRECTORY
2177
e_winerror = getattr(e, 'winerror', None)
2178
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2179
# there may be directories in the inventory even though
2180
# this path is not a file on disk: so mark it as end of
2182
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2183
current_dir_info = None
2184
elif (sys.platform == 'win32'
2185
and (e.errno in win_errors
2186
or e_winerror in win_errors)):
2187
current_dir_info = None
2191
if current_dir_info[0][0] == '':
2192
# remove .bzr from iteration
2193
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2194
assert current_dir_info[1][bzr_index][0] == '.bzr'
2195
del current_dir_info[1][bzr_index]
2196
# walk until both the directory listing and the versioned metadata
2198
if (block_index < len(state._dirblocks) and
2199
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2200
current_block = state._dirblocks[block_index]
2202
current_block = None
2203
while (current_dir_info is not None or
2204
current_block is not None):
2205
if (current_dir_info and current_block
2206
and current_dir_info[0][0] != current_block[0]):
2207
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2208
# filesystem data refers to paths not covered by the dirblock.
2209
# this has two possibilities:
2210
# A) it is versioned but empty, so there is no block for it
2211
# B) it is not versioned.
2213
# if (A) then we need to recurse into it to check for
2214
# new unknown files or directories.
2215
# if (B) then we should ignore it, because we don't
2216
# recurse into unknown directories.
2218
while path_index < len(current_dir_info[1]):
2219
current_path_info = current_dir_info[1][path_index]
2220
if want_unversioned:
2221
if current_path_info[2] == 'directory':
2222
if self.target._directory_is_tree_reference(
2223
current_path_info[0].decode('utf8')):
2224
current_path_info = current_path_info[:2] + \
2225
('tree-reference',) + current_path_info[3:]
2226
new_executable = bool(
2227
stat.S_ISREG(current_path_info[3].st_mode)
2228
and stat.S_IEXEC & current_path_info[3].st_mode)
2230
(None, utf8_decode(current_path_info[0])[0]),
2234
(None, utf8_decode(current_path_info[1])[0]),
2235
(None, current_path_info[2]),
2236
(None, new_executable))
2237
# dont descend into this unversioned path if it is
2239
if current_path_info[2] in ('directory',
2241
del current_dir_info[1][path_index]
2245
# This dir info has been handled, go to the next
2247
current_dir_info = dir_iterator.next()
2248
except StopIteration:
2249
current_dir_info = None
2251
# We have a dirblock entry for this location, but there
2252
# is no filesystem path for this. This is most likely
2253
# because a directory was removed from the disk.
2254
# We don't have to report the missing directory,
2255
# because that should have already been handled, but we
2256
# need to handle all of the files that are contained
2258
for current_entry in current_block[1]:
2259
# entry referring to file not present on disk.
2260
# advance the entry only, after processing.
2261
result = _process_entry(current_entry, None)
2262
if result is not None:
2263
if result is not uninteresting:
2266
if (block_index < len(state._dirblocks) and
2267
osutils.is_inside(current_root,
2268
state._dirblocks[block_index][0])):
2269
current_block = state._dirblocks[block_index]
2271
current_block = None
2274
if current_block and entry_index < len(current_block[1]):
2275
current_entry = current_block[1][entry_index]
2277
current_entry = None
2278
advance_entry = True
2280
if current_dir_info and path_index < len(current_dir_info[1]):
2281
current_path_info = current_dir_info[1][path_index]
2282
if current_path_info[2] == 'directory':
2283
if self.target._directory_is_tree_reference(
2284
current_path_info[0].decode('utf8')):
2285
current_path_info = current_path_info[:2] + \
2286
('tree-reference',) + current_path_info[3:]
2288
current_path_info = None
2290
path_handled = False
2291
while (current_entry is not None or
2292
current_path_info is not None):
2293
if current_entry is None:
2294
# the check for path_handled when the path is adnvaced
2295
# will yield this path if needed.
2297
elif current_path_info is None:
2298
# no path is fine: the per entry code will handle it.
2299
result = _process_entry(current_entry, current_path_info)
2300
if result is not None:
2301
if result is not uninteresting:
2303
elif (current_entry[0][1] != current_path_info[1]
2304
or current_entry[1][target_index][0] in 'ar'):
2305
# The current path on disk doesn't match the dirblock
2306
# record. Either the dirblock is marked as absent, or
2307
# the file on disk is not present at all in the
2308
# dirblock. Either way, report about the dirblock
2309
# entry, and let other code handle the filesystem one.
2311
# Compare the basename for these files to determine
2313
if current_path_info[1] < current_entry[0][1]:
2314
# extra file on disk: pass for now, but only
2315
# increment the path, not the entry
2316
advance_entry = False
2318
# entry referring to file not present on disk.
2319
# advance the entry only, after processing.
2320
result = _process_entry(current_entry, None)
2321
if result is not None:
2322
if result is not uninteresting:
2324
advance_path = False
2326
result = _process_entry(current_entry, current_path_info)
2327
if result is not None:
2329
if result is not uninteresting:
2331
if advance_entry and current_entry is not None:
2333
if entry_index < len(current_block[1]):
2334
current_entry = current_block[1][entry_index]
2336
current_entry = None
2338
advance_entry = True # reset the advance flaga
2339
if advance_path and current_path_info is not None:
2340
if not path_handled:
2341
# unversioned in all regards
2342
if want_unversioned:
2343
new_executable = bool(
2344
stat.S_ISREG(current_path_info[3].st_mode)
2345
and stat.S_IEXEC & current_path_info[3].st_mode)
2347
(None, utf8_decode(current_path_info[0])[0]),
2351
(None, utf8_decode(current_path_info[1])[0]),
2352
(None, current_path_info[2]),
2353
(None, new_executable))
2354
# dont descend into this unversioned path if it is
2356
if current_path_info[2] in ('directory'):
2357
del current_dir_info[1][path_index]
2359
# dont descend the disk iterator into any tree
2361
if current_path_info[2] == 'tree-reference':
2362
del current_dir_info[1][path_index]
2365
if path_index < len(current_dir_info[1]):
2366
current_path_info = current_dir_info[1][path_index]
2367
if current_path_info[2] == 'directory':
2368
if self.target._directory_is_tree_reference(
2369
current_path_info[0].decode('utf8')):
2370
current_path_info = current_path_info[:2] + \
2371
('tree-reference',) + current_path_info[3:]
2373
current_path_info = None
2374
path_handled = False
2376
advance_path = True # reset the advance flagg.
2377
if current_block is not None:
2379
if (block_index < len(state._dirblocks) and
2380
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2381
current_block = state._dirblocks[block_index]
2383
current_block = None
2384
if current_dir_info is not None:
2386
current_dir_info = dir_iterator.next()
2387
except StopIteration:
2388
current_dir_info = None
2392
def is_compatible(source, target):
2393
# the target must be a dirstate working tree
2394
if not isinstance(target, WorkingTree4):
2396
# the source must be a revtreee or dirstate rev tree.
2397
if not isinstance(source,
2398
(revisiontree.RevisionTree, DirStateRevisionTree)):
2400
# the source revid must be in the target dirstate
2401
if not (source._revision_id == NULL_REVISION or
2402
source._revision_id in target.get_parent_ids()):
2403
# TODO: what about ghosts? it may well need to
2404
# check for them explicitly.
2408
InterTree.register_optimiser(InterDirStateTree)
2411
class Converter3to4(object):
2412
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2415
self.target_format = WorkingTreeFormat4()
2417
def convert(self, tree):
2418
# lock the control files not the tree, so that we dont get tree
2419
# on-unlock behaviours, and so that noone else diddles with the
2420
# tree during upgrade.
2421
tree._control_files.lock_write()
2423
tree.read_working_inventory()
2424
self.create_dirstate_data(tree)
2425
self.update_format(tree)
2426
self.remove_xml_files(tree)
2428
tree._control_files.unlock()
2430
def create_dirstate_data(self, tree):
2431
"""Create the dirstate based data for tree."""
2432
local_path = tree.bzrdir.get_workingtree_transport(None
2433
).local_abspath('dirstate')
2434
state = dirstate.DirState.from_tree(tree, local_path)
2438
def remove_xml_files(self, tree):
2439
"""Remove the oldformat 3 data."""
2440
transport = tree.bzrdir.get_workingtree_transport(None)
2441
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2442
'pending-merges', 'stat-cache']:
2444
transport.delete(path)
2445
except errors.NoSuchFile:
2446
# some files are optional - just deal.
2449
def update_format(self, tree):
2450
"""Change the format marker."""
2451
tree._control_files.put_utf8('format',
2452
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
