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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
return self.current_dirstate().sha1_from_stat(path, stat_result)
1104
def supports_tree_reference(self):
1105
return self._repo_supports_tree_reference
1108
"""Unlock in format 4 trees needs to write the entire dirstate."""
1109
# do non-implementation specific cleanup
1112
if self._control_files._lock_count == 1:
1113
# eventually we should do signature checking during read locks for
1115
if self._control_files._lock_mode == 'w':
1118
if self._dirstate is not None:
1119
# This is a no-op if there are no modifications.
1120
self._dirstate.save()
1121
self._dirstate.unlock()
1122
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1123
# point. Instead, it could check if the header has been
1124
# modified when it is locked, and if not, it can hang on to
1125
# the data it has in memory.
1126
self._dirstate = None
1127
self._inventory = None
1128
# reverse order of locking.
1130
return self._control_files.unlock()
1132
self.branch.unlock()
1134
@needs_tree_write_lock
1135
def unversion(self, file_ids):
1136
"""Remove the file ids in file_ids from the current versioned set.
1138
When a file_id is unversioned, all of its children are automatically
1141
:param file_ids: The file ids to stop versioning.
1142
:raises: NoSuchId if any fileid is not currently versioned.
1146
state = self.current_dirstate()
1147
state._read_dirblocks_if_needed()
1148
ids_to_unversion = set(file_ids)
1149
paths_to_unversion = set()
1151
# check if the root is to be unversioned, if so, assert for now.
1152
# walk the state marking unversioned things as absent.
1153
# if there are any un-unversioned ids at the end, raise
1154
for key, details in state._dirblocks[0][1]:
1155
if (details[0][0] not in ('a', 'r') and # absent or relocated
1156
key[2] in ids_to_unversion):
1157
# I haven't written the code to unversion / yet - it should be
1159
raise errors.BzrError('Unversioning the / is not currently supported')
1161
while block_index < len(state._dirblocks):
1162
# process one directory at a time.
1163
block = state._dirblocks[block_index]
1164
# first check: is the path one to remove - it or its children
1165
delete_block = False
1166
for path in paths_to_unversion:
1167
if (block[0].startswith(path) and
1168
(len(block[0]) == len(path) or
1169
block[0][len(path)] == '/')):
1170
# this entire block should be deleted - its the block for a
1171
# path to unversion; or the child of one
1174
# TODO: trim paths_to_unversion as we pass by paths
1176
# this block is to be deleted: process it.
1177
# TODO: we can special case the no-parents case and
1178
# just forget the whole block.
1180
while entry_index < len(block[1]):
1181
# Mark this file id as having been removed
1182
entry = block[1][entry_index]
1183
ids_to_unversion.discard(entry[0][2])
1184
if (entry[1][0][0] in 'ar' # don't remove absent or renamed
1186
or not state._make_absent(entry)):
1188
# go to the next block. (At the moment we dont delete empty
1193
while entry_index < len(block[1]):
1194
entry = block[1][entry_index]
1195
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1196
# ^ some parent row.
1197
entry[0][2] not in ids_to_unversion):
1198
# ^ not an id to unversion
1201
if entry[1][0][0] == 'd':
1202
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1203
if not state._make_absent(entry):
1205
# we have unversioned this id
1206
ids_to_unversion.remove(entry[0][2])
1208
if ids_to_unversion:
1209
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1210
self._make_dirty(reset_inventory=False)
1211
# have to change the legacy inventory too.
1212
if self._inventory is not None:
1213
for file_id in file_ids:
1214
self._inventory.remove_recursive_id(file_id)
1216
def update_basis_by_delta(self, new_revid, delta):
1217
"""See MutableTree.update_basis_by_delta."""
1218
assert self.last_revision() != new_revid
1219
self.current_dirstate().update_basis_by_delta(delta, new_revid)
1222
def _validate(self):
1223
self._dirstate._validate()
1225
@needs_tree_write_lock
1226
def _write_inventory(self, inv):
1227
"""Write inventory as the current inventory."""
1228
assert not self._dirty, ("attempting to write an inventory when the "
1229
"dirstate is dirty will cause data loss")
1230
self.current_dirstate().set_state_from_inventory(inv)
1231
self._make_dirty(reset_inventory=False)
1232
if self._inventory is not None:
1233
self._inventory = inv
1237
class WorkingTreeFormat4(WorkingTreeFormat3):
1238
"""The first consolidated dirstate working tree format.
1241
- exists within a metadir controlling .bzr
1242
- includes an explicit version marker for the workingtree control
1243
files, separate from the BzrDir format
1244
- modifies the hash cache format
1245
- is new in bzr 0.15
1246
- uses a LockDir to guard access to it.
1249
upgrade_recommended = False
1251
def get_format_string(self):
1252
"""See WorkingTreeFormat.get_format_string()."""
1253
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1255
def get_format_description(self):
1256
"""See WorkingTreeFormat.get_format_description()."""
1257
return "Working tree format 4"
1259
def initialize(self, a_bzrdir, revision_id=None, from_branch=None):
1260
"""See WorkingTreeFormat.initialize().
1262
:param revision_id: allows creating a working tree at a different
1263
revision than the branch is at.
1265
These trees get an initial random root id, if their repository supports
1266
rich root data, TREE_ROOT otherwise.
1268
if not isinstance(a_bzrdir.transport, LocalTransport):
1269
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1270
transport = a_bzrdir.get_workingtree_transport(self)
1271
control_files = self._open_control_files(a_bzrdir)
1272
control_files.create_lock()
1273
control_files.lock_write()
1274
control_files.put_utf8('format', self.get_format_string())
1275
if from_branch is not None:
1276
branch = from_branch
1278
branch = a_bzrdir.open_branch()
1279
if revision_id is None:
1280
revision_id = branch.last_revision()
1281
local_path = transport.local_abspath('dirstate')
1282
# write out new dirstate (must exist when we create the tree)
1283
state = dirstate.DirState.initialize(local_path)
1286
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1290
_control_files=control_files)
1292
wt.lock_tree_write()
1294
if revision_id in (None, NULL_REVISION):
1295
if branch.repository.supports_rich_root():
1296
wt._set_root_id(generate_ids.gen_root_id())
1298
wt._set_root_id(ROOT_ID)
1300
wt.set_last_revision(revision_id)
1302
basis = wt.basis_tree()
1304
# if the basis has a root id we have to use that; otherwise we use
1306
basis_root_id = basis.get_root_id()
1307
if basis_root_id is not None:
1308
wt._set_root_id(basis_root_id)
1310
transform.build_tree(basis, wt)
1313
control_files.unlock()
1317
def _open(self, a_bzrdir, control_files):
1318
"""Open the tree itself.
1320
:param a_bzrdir: the dir for the tree.
1321
:param control_files: the control files for the tree.
1323
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1324
branch=a_bzrdir.open_branch(),
1327
_control_files=control_files)
1329
def __get_matchingbzrdir(self):
1330
# please test against something that will let us do tree references
1331
return bzrdir.format_registry.make_bzrdir(
1332
'dirstate-with-subtree')
1334
_matchingbzrdir = property(__get_matchingbzrdir)
1337
class DirStateRevisionTree(Tree):
1338
"""A revision tree pulling the inventory from a dirstate."""
1340
def __init__(self, dirstate, revision_id, repository):
1341
self._dirstate = dirstate
1342
self._revision_id = revision_id
1343
self._repository = repository
1344
self._inventory = None
1346
self._dirstate_locked = False
1349
return "<%s of %s in %s>" % \
1350
(self.__class__.__name__, self._revision_id, self._dirstate)
1352
def annotate_iter(self, file_id,
1353
default_revision=_mod_revision.CURRENT_REVISION):
1354
"""See Tree.annotate_iter"""
1355
w = self._get_weave(file_id)
1356
return w.annotate_iter(self.inventory[file_id].revision)
1358
def _get_ancestors(self, default_revision):
1359
return set(self._repository.get_ancestry(self._revision_id,
1361
def _comparison_data(self, entry, path):
1362
"""See Tree._comparison_data."""
1364
return None, False, None
1365
# trust the entry as RevisionTree does, but this may not be
1366
# sensible: the entry might not have come from us?
1367
return entry.kind, entry.executable, None
1369
def _file_size(self, entry, stat_value):
1370
return entry.text_size
1372
def filter_unversioned_files(self, paths):
1373
"""Filter out paths that are not versioned.
1375
:return: set of paths.
1377
pred = self.has_filename
1378
return set((p for p in paths if not pred(p)))
1380
def get_root_id(self):
1381
return self.path2id('')
1383
def _get_parent_index(self):
1384
"""Return the index in the dirstate referenced by this tree."""
1385
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1387
def _get_entry(self, file_id=None, path=None):
1388
"""Get the dirstate row for file_id or path.
1390
If either file_id or path is supplied, it is used as the key to lookup.
1391
If both are supplied, the fastest lookup is used, and an error is
1392
raised if they do not both point at the same row.
1394
:param file_id: An optional unicode file_id to be looked up.
1395
:param path: An optional unicode path to be looked up.
1396
:return: The dirstate row tuple for path/file_id, or (None, None)
1398
if file_id is None and path is None:
1399
raise errors.BzrError('must supply file_id or path')
1400
if path is not None:
1401
path = path.encode('utf8')
1402
parent_index = self._get_parent_index()
1403
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1405
def _generate_inventory(self):
1406
"""Create and set self.inventory from the dirstate object.
1408
(So this is only called the first time the inventory is requested for
1409
this tree; it then remains in memory until it's out of date.)
1411
This is relatively expensive: we have to walk the entire dirstate.
1413
assert self._locked, 'cannot generate inventory of an unlocked '\
1414
'dirstate revision tree'
1415
# separate call for profiling - makes it clear where the costs are.
1416
self._dirstate._read_dirblocks_if_needed()
1417
assert self._revision_id in self._dirstate.get_parent_ids(), \
1418
'parent %s has disappeared from %s' % (
1419
self._revision_id, self._dirstate.get_parent_ids())
1420
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1421
# This is identical now to the WorkingTree _generate_inventory except
1422
# for the tree index use.
1423
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1424
current_id = root_key[2]
1425
assert current_entry[parent_index][0] == 'd'
1426
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1427
inv.root.revision = current_entry[parent_index][4]
1428
# Turn some things into local variables
1429
minikind_to_kind = dirstate.DirState._minikind_to_kind
1430
factory = entry_factory
1431
utf8_decode = cache_utf8._utf8_decode
1432
inv_byid = inv._byid
1433
# we could do this straight out of the dirstate; it might be fast
1434
# and should be profiled - RBC 20070216
1435
parent_ies = {'' : inv.root}
1436
for block in self._dirstate._dirblocks[1:]: #skip root
1439
parent_ie = parent_ies[dirname]
1441
# all the paths in this block are not versioned in this tree
1443
for key, entry in block[1]:
1444
minikind, fingerprint, size, executable, revid = entry[parent_index]
1445
if minikind in ('a', 'r'): # absent, relocated
1449
name_unicode = utf8_decode(name)[0]
1451
kind = minikind_to_kind[minikind]
1452
inv_entry = factory[kind](file_id, name_unicode,
1454
inv_entry.revision = revid
1456
inv_entry.executable = executable
1457
inv_entry.text_size = size
1458
inv_entry.text_sha1 = fingerprint
1459
elif kind == 'directory':
1460
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1461
elif kind == 'symlink':
1462
inv_entry.executable = False
1463
inv_entry.text_size = None
1464
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1465
elif kind == 'tree-reference':
1466
inv_entry.reference_revision = fingerprint or None
1468
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1470
# These checks cost us around 40ms on a 55k entry tree
1471
assert file_id not in inv_byid
1472
assert name_unicode not in parent_ie.children
1473
inv_byid[file_id] = inv_entry
1474
parent_ie.children[name_unicode] = inv_entry
1475
self._inventory = inv
1477
def get_file_mtime(self, file_id, path=None):
1478
"""Return the modification time for this record.
1480
We return the timestamp of the last-changed revision.
1482
# Make sure the file exists
1483
entry = self._get_entry(file_id, path=path)
1484
if entry == (None, None): # do we raise?
1486
parent_index = self._get_parent_index()
1487
last_changed_revision = entry[1][parent_index][4]
1488
return self._repository.get_revision(last_changed_revision).timestamp
1490
def get_file_sha1(self, file_id, path=None, stat_value=None):
1491
entry = self._get_entry(file_id=file_id, path=path)
1492
parent_index = self._get_parent_index()
1493
parent_details = entry[1][parent_index]
1494
if parent_details[0] == 'f':
1495
return parent_details[1]
1498
@symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
1499
def get_weave(self, file_id):
1500
return self._get_weave(file_id)
1502
def _get_weave(self, file_id):
1503
return self._repository.weave_store.get_weave(file_id,
1504
self._repository.get_transaction())
1506
def get_file(self, file_id, path=None):
1507
return StringIO(self.get_file_text(file_id))
1509
def get_file_lines(self, file_id):
1510
ie = self.inventory[file_id]
1511
return self._get_weave(file_id).get_lines(ie.revision)
1513
def get_file_size(self, file_id):
1514
return self.inventory[file_id].text_size
1516
def get_file_text(self, file_id):
1517
return ''.join(self.get_file_lines(file_id))
1519
def get_reference_revision(self, file_id, path=None):
1520
return self.inventory[file_id].reference_revision
1522
def iter_files_bytes(self, desired_files):
1523
"""See Tree.iter_files_bytes.
1525
This version is implemented on top of Repository.iter_files_bytes"""
1526
parent_index = self._get_parent_index()
1527
repo_desired_files = []
1528
for file_id, identifier in desired_files:
1529
entry = self._get_entry(file_id)
1530
if entry == (None, None):
1531
raise errors.NoSuchId(self, file_id)
1532
repo_desired_files.append((file_id, entry[1][parent_index][4],
1534
return self._repository.iter_files_bytes(repo_desired_files)
1536
def get_symlink_target(self, file_id):
1537
entry = self._get_entry(file_id=file_id)
1538
parent_index = self._get_parent_index()
1539
if entry[1][parent_index][0] != 'l':
1542
# At present, none of the tree implementations supports non-ascii
1543
# symlink targets. So we will just assume that the dirstate path is
1545
return entry[1][parent_index][1]
1547
def get_revision_id(self):
1548
"""Return the revision id for this tree."""
1549
return self._revision_id
1551
def _get_inventory(self):
1552
if self._inventory is not None:
1553
return self._inventory
1554
self._must_be_locked()
1555
self._generate_inventory()
1556
return self._inventory
1558
inventory = property(_get_inventory,
1559
doc="Inventory of this Tree")
1561
def get_parent_ids(self):
1562
"""The parents of a tree in the dirstate are not cached."""
1563
return self._repository.get_revision(self._revision_id).parent_ids
1565
def has_filename(self, filename):
1566
return bool(self.path2id(filename))
1568
def kind(self, file_id):
1569
return self.inventory[file_id].kind
1571
def path_content_summary(self, path):
1572
"""See Tree.path_content_summary."""
1573
id = self.inventory.path2id(path)
1575
return ('missing', None, None, None)
1576
entry = self._inventory[id]
1579
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1580
elif kind == 'symlink':
1581
return (kind, None, None, entry.symlink_target)
1583
return (kind, None, None, None)
1585
def is_executable(self, file_id, path=None):
1586
ie = self.inventory[file_id]
1587
if ie.kind != "file":
1589
return ie.executable
1591
def list_files(self, include_root=False):
1592
# We use a standard implementation, because DirStateRevisionTree is
1593
# dealing with one of the parents of the current state
1594
inv = self._get_inventory()
1595
entries = inv.iter_entries()
1596
if self.inventory.root is not None and not include_root:
1598
for path, entry in entries:
1599
yield path, 'V', entry.kind, entry.file_id, entry
1601
def lock_read(self):
1602
"""Lock the tree for a set of operations."""
1603
if not self._locked:
1604
self._repository.lock_read()
1605
if self._dirstate._lock_token is None:
1606
self._dirstate.lock_read()
1607
self._dirstate_locked = True
1610
def _must_be_locked(self):
1611
if not self._locked:
1612
raise errors.ObjectNotLocked(self)
1615
def path2id(self, path):
1616
"""Return the id for path in this tree."""
1617
# lookup by path: faster than splitting and walking the ivnentory.
1618
entry = self._get_entry(path=path)
1619
if entry == (None, None):
1624
"""Unlock, freeing any cache memory used during the lock."""
1625
# outside of a lock, the inventory is suspect: release it.
1627
if not self._locked:
1628
self._inventory = None
1630
if self._dirstate_locked:
1631
self._dirstate.unlock()
1632
self._dirstate_locked = False
1633
self._repository.unlock()
1635
def walkdirs(self, prefix=""):
1636
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1637
# implementation based on an inventory.
1638
# This should be cleaned up to use the much faster Dirstate code
1639
# So for now, we just build up the parent inventory, and extract
1640
# it the same way RevisionTree does.
1641
_directory = 'directory'
1642
inv = self._get_inventory()
1643
top_id = inv.path2id(prefix)
1647
pending = [(prefix, top_id)]
1650
relpath, file_id = pending.pop()
1651
# 0 - relpath, 1- file-id
1653
relroot = relpath + '/'
1656
# FIXME: stash the node in pending
1657
entry = inv[file_id]
1658
for name, child in entry.sorted_children():
1659
toppath = relroot + name
1660
dirblock.append((toppath, name, child.kind, None,
1661
child.file_id, child.kind
1663
yield (relpath, entry.file_id), dirblock
1664
# push the user specified dirs from dirblock
1665
for dir in reversed(dirblock):
1666
if dir[2] == _directory:
1667
pending.append((dir[0], dir[4]))
1670
class InterDirStateTree(InterTree):
1671
"""Fast path optimiser for changes_from with dirstate trees.
1673
This is used only when both trees are in the dirstate working file, and
1674
the source is any parent within the dirstate, and the destination is
1675
the current working tree of the same dirstate.
1677
# this could be generalized to allow comparisons between any trees in the
1678
# dirstate, and possibly between trees stored in different dirstates.
1680
def __init__(self, source, target):
1681
super(InterDirStateTree, self).__init__(source, target)
1682
if not InterDirStateTree.is_compatible(source, target):
1683
raise Exception, "invalid source %r and target %r" % (source, target)
1686
def make_source_parent_tree(source, target):
1687
"""Change the source tree into a parent of the target."""
1688
revid = source.commit('record tree')
1689
target.branch.repository.fetch(source.branch.repository, revid)
1690
target.set_parent_ids([revid])
1691
return target.basis_tree(), target
1693
_matching_from_tree_format = WorkingTreeFormat4()
1694
_matching_to_tree_format = WorkingTreeFormat4()
1695
_test_mutable_trees_to_test_trees = make_source_parent_tree
1697
def _iter_changes(self, include_unchanged=False,
1698
specific_files=None, pb=None, extra_trees=[],
1699
require_versioned=True, want_unversioned=False):
1700
"""Return the changes from source to target.
1702
:return: An iterator that yields tuples. See InterTree._iter_changes
1704
:param specific_files: An optional list of file paths to restrict the
1705
comparison to. When mapping filenames to ids, all matches in all
1706
trees (including optional extra_trees) are used, and all children of
1707
matched directories are included.
1708
:param include_unchanged: An optional boolean requesting the inclusion of
1709
unchanged entries in the result.
1710
:param extra_trees: An optional list of additional trees to use when
1711
mapping the contents of specific_files (paths) to file_ids.
1712
:param require_versioned: If True, all files in specific_files must be
1713
versioned in one of source, target, extra_trees or
1714
PathsNotVersionedError is raised.
1715
:param want_unversioned: Should unversioned files be returned in the
1716
output. An unversioned file is defined as one with (False, False)
1717
for the versioned pair.
1719
utf8_decode = cache_utf8._utf8_decode
1720
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1721
cmp_by_dirs = dirstate.cmp_by_dirs
1722
# NB: show_status depends on being able to pass in non-versioned files
1723
# and report them as unknown
1724
# TODO: handle extra trees in the dirstate.
1725
# TODO: handle comparisons as an empty tree as a different special
1726
# case? mbp 20070226
1727
if (extra_trees or (self.source._revision_id == NULL_REVISION)
1728
or specific_files == []):
1729
# we can't fast-path these cases (yet)
1730
for f in super(InterDirStateTree, self)._iter_changes(
1731
include_unchanged, specific_files, pb, extra_trees,
1732
require_versioned, want_unversioned=want_unversioned):
1735
parent_ids = self.target.get_parent_ids()
1736
assert (self.source._revision_id in parent_ids), \
1737
"revision {%s} is not stored in {%s}, but %s " \
1738
"can only be used for trees stored in the dirstate" \
1739
% (self.source._revision_id, self.target, self._iter_changes)
1741
if self.source._revision_id == NULL_REVISION:
1743
indices = (target_index,)
1745
assert (self.source._revision_id in parent_ids), \
1746
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1747
self.source._revision_id, parent_ids)
1748
source_index = 1 + parent_ids.index(self.source._revision_id)
1749
indices = (source_index,target_index)
1750
# -- make all specific_files utf8 --
1752
specific_files_utf8 = set()
1753
for path in specific_files:
1754
specific_files_utf8.add(path.encode('utf8'))
1755
specific_files = specific_files_utf8
1757
specific_files = set([''])
1758
# -- specific_files is now a utf8 path set --
1759
# -- get the state object and prepare it.
1760
state = self.target.current_dirstate()
1761
state._read_dirblocks_if_needed()
1762
def _entries_for_path(path):
1763
"""Return a list with all the entries that match path for all ids.
1765
dirname, basename = os.path.split(path)
1766
key = (dirname, basename, '')
1767
block_index, present = state._find_block_index_from_key(key)
1769
# the block which should contain path is absent.
1772
block = state._dirblocks[block_index][1]
1773
entry_index, _ = state._find_entry_index(key, block)
1774
# we may need to look at multiple entries at this path: walk while the specific_files match.
1775
while (entry_index < len(block) and
1776
block[entry_index][0][0:2] == key[0:2]):
1777
result.append(block[entry_index])
1780
if require_versioned:
1781
# -- check all supplied paths are versioned in a search tree. --
1782
all_versioned = True
1783
for path in specific_files:
1784
path_entries = _entries_for_path(path)
1785
if not path_entries:
1786
# this specified path is not present at all: error
1787
all_versioned = False
1789
found_versioned = False
1790
# for each id at this path
1791
for entry in path_entries:
1793
for index in indices:
1794
if entry[1][index][0] != 'a': # absent
1795
found_versioned = True
1796
# all good: found a versioned cell
1798
if not found_versioned:
1799
# none of the indexes was not 'absent' at all ids for this
1801
all_versioned = False
1803
if not all_versioned:
1804
raise errors.PathsNotVersionedError(specific_files)
1805
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1806
search_specific_files = set()
1807
for path in specific_files:
1808
other_specific_files = specific_files.difference(set([path]))
1809
if not osutils.is_inside_any(other_specific_files, path):
1810
# this is a top level path, we must check it.
1811
search_specific_files.add(path)
1813
# compare source_index and target_index at or under each element of search_specific_files.
1814
# follow the following comparison table. Note that we only want to do diff operations when
1815
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1819
# Source | Target | disk | action
1820
# r | fdlt | | add source to search, add id path move and perform
1821
# | | | diff check on source-target
1822
# r | fdlt | a | dangling file that was present in the basis.
1824
# r | a | | add source to search
1826
# r | r | | this path is present in a non-examined tree, skip.
1827
# r | r | a | this path is present in a non-examined tree, skip.
1828
# a | fdlt | | add new id
1829
# a | fdlt | a | dangling locally added file, skip
1830
# a | a | | not present in either tree, skip
1831
# a | a | a | not present in any tree, skip
1832
# a | r | | not present in either tree at this path, skip as it
1833
# | | | may not be selected by the users list of paths.
1834
# a | r | a | not present in either tree at this path, skip as it
1835
# | | | may not be selected by the users list of paths.
1836
# fdlt | fdlt | | content in both: diff them
1837
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1838
# fdlt | a | | unversioned: output deleted id for now
1839
# fdlt | a | a | unversioned and deleted: output deleted id
1840
# fdlt | r | | relocated in this tree, so add target to search.
1841
# | | | Dont diff, we will see an r,fd; pair when we reach
1842
# | | | this id at the other path.
1843
# fdlt | r | a | relocated in this tree, so add target to search.
1844
# | | | Dont diff, we will see an r,fd; pair when we reach
1845
# | | | this id at the other path.
1847
# for all search_indexs in each path at or under each element of
1848
# search_specific_files, if the detail is relocated: add the id, and add the
1849
# relocated path as one to search if its not searched already. If the
1850
# detail is not relocated, add the id.
1851
searched_specific_files = set()
1852
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1853
# Using a list so that we can access the values and change them in
1854
# nested scope. Each one is [path, file_id, entry]
1855
last_source_parent = [None, None]
1856
last_target_parent = [None, None]
1858
use_filesystem_for_exec = (sys.platform != 'win32')
1860
# Just a sentry, so that _process_entry can say that this
1861
# record is handled, but isn't interesting to process (unchanged)
1862
uninteresting = object()
1865
old_dirname_to_file_id = {}
1866
new_dirname_to_file_id = {}
1867
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1868
# keeping a cache of directories that we have seen.
1870
def _process_entry(entry, path_info):
1871
"""Compare an entry and real disk to generate delta information.
1873
:param path_info: top_relpath, basename, kind, lstat, abspath for
1874
the path of entry. If None, then the path is considered absent.
1875
(Perhaps we should pass in a concrete entry for this ?)
1876
Basename is returned as a utf8 string because we expect this
1877
tuple will be ignored, and don't want to take the time to
1879
:return: None if these don't match
1880
A tuple of information about the change, or
1881
the object 'uninteresting' if these match, but are
1882
basically identical.
1884
if source_index is None:
1885
source_details = NULL_PARENT_DETAILS
1887
source_details = entry[1][source_index]
1888
target_details = entry[1][target_index]
1889
target_minikind = target_details[0]
1890
if path_info is not None and target_minikind in 'fdlt':
1891
assert target_index == 0
1892
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1893
stat_value=path_info[3])
1894
# The entry may have been modified by update_entry
1895
target_details = entry[1][target_index]
1896
target_minikind = target_details[0]
1899
file_id = entry[0][2]
1900
source_minikind = source_details[0]
1901
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1902
# claimed content in both: diff
1903
# r | fdlt | | add source to search, add id path move and perform
1904
# | | | diff check on source-target
1905
# r | fdlt | a | dangling file that was present in the basis.
1907
if source_minikind in 'r':
1908
# add the source to the search path to find any children it
1909
# has. TODO ? : only add if it is a container ?
1910
if not osutils.is_inside_any(searched_specific_files,
1912
search_specific_files.add(source_details[1])
1913
# generate the old path; this is needed for stating later
1915
old_path = source_details[1]
1916
old_dirname, old_basename = os.path.split(old_path)
1917
path = pathjoin(entry[0][0], entry[0][1])
1918
old_entry = state._get_entry(source_index,
1920
# update the source details variable to be the real
1922
source_details = old_entry[1][source_index]
1923
source_minikind = source_details[0]
1925
old_dirname = entry[0][0]
1926
old_basename = entry[0][1]
1927
old_path = path = None
1928
if path_info is None:
1929
# the file is missing on disk, show as removed.
1930
content_change = True
1934
# source and target are both versioned and disk file is present.
1935
target_kind = path_info[2]
1936
if target_kind == 'directory':
1938
old_path = path = pathjoin(old_dirname, old_basename)
1939
new_dirname_to_file_id[path] = file_id
1940
if source_minikind != 'd':
1941
content_change = True
1943
# directories have no fingerprint
1944
content_change = False
1946
elif target_kind == 'file':
1947
if source_minikind != 'f':
1948
content_change = True
1950
# We could check the size, but we already have the
1952
content_change = (link_or_sha1 != source_details[1])
1953
# Target details is updated at update_entry time
1954
if use_filesystem_for_exec:
1955
# We don't need S_ISREG here, because we are sure
1956
# we are dealing with a file.
1957
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1959
target_exec = target_details[3]
1960
elif target_kind == 'symlink':
1961
if source_minikind != 'l':
1962
content_change = True
1964
content_change = (link_or_sha1 != source_details[1])
1966
elif target_kind == 'tree-reference':
1967
if source_minikind != 't':
1968
content_change = True
1970
content_change = False
1973
raise Exception, "unknown kind %s" % path_info[2]
1974
if source_minikind == 'd':
1976
old_path = path = pathjoin(old_dirname, old_basename)
1977
old_dirname_to_file_id[old_path] = file_id
1978
# parent id is the entry for the path in the target tree
1979
if old_dirname == last_source_parent[0]:
1980
source_parent_id = last_source_parent[1]
1983
source_parent_id = old_dirname_to_file_id[old_dirname]
1985
source_parent_entry = state._get_entry(source_index,
1986
path_utf8=old_dirname)
1987
source_parent_id = source_parent_entry[0][2]
1988
if source_parent_id == entry[0][2]:
1989
# This is the root, so the parent is None
1990
source_parent_id = None
1992
last_source_parent[0] = old_dirname
1993
last_source_parent[1] = source_parent_id
1994
new_dirname = entry[0][0]
1995
if new_dirname == last_target_parent[0]:
1996
target_parent_id = last_target_parent[1]
1999
target_parent_id = new_dirname_to_file_id[new_dirname]
2001
# TODO: We don't always need to do the lookup, because the
2002
# parent entry will be the same as the source entry.
2003
target_parent_entry = state._get_entry(target_index,
2004
path_utf8=new_dirname)
2005
assert target_parent_entry != (None, None), (
2006
"Could not find target parent in wt: %s\nparent of: %s"
2007
% (new_dirname, entry))
2008
target_parent_id = target_parent_entry[0][2]
2009
if target_parent_id == entry[0][2]:
2010
# This is the root, so the parent is None
2011
target_parent_id = None
2013
last_target_parent[0] = new_dirname
2014
last_target_parent[1] = target_parent_id
2016
source_exec = source_details[3]
2017
if (include_unchanged
2019
or source_parent_id != target_parent_id
2020
or old_basename != entry[0][1]
2021
or source_exec != target_exec
2023
if old_path is None:
2024
old_path = path = pathjoin(old_dirname, old_basename)
2025
old_path_u = utf8_decode(old_path)[0]
2028
old_path_u = utf8_decode(old_path)[0]
2029
if old_path == path:
2032
path_u = utf8_decode(path)[0]
2033
source_kind = _minikind_to_kind[source_minikind]
2034
return (entry[0][2],
2035
(old_path_u, path_u),
2038
(source_parent_id, target_parent_id),
2039
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2040
(source_kind, target_kind),
2041
(source_exec, target_exec))
2043
return uninteresting
2044
elif source_minikind in 'a' and target_minikind in 'fdlt':
2045
# looks like a new file
2046
if path_info is not None:
2047
path = pathjoin(entry[0][0], entry[0][1])
2048
# parent id is the entry for the path in the target tree
2049
# TODO: these are the same for an entire directory: cache em.
2050
parent_id = state._get_entry(target_index,
2051
path_utf8=entry[0][0])[0][2]
2052
if parent_id == entry[0][2]:
2054
if use_filesystem_for_exec:
2055
# We need S_ISREG here, because we aren't sure if this
2058
stat.S_ISREG(path_info[3].st_mode)
2059
and stat.S_IEXEC & path_info[3].st_mode)
2061
target_exec = target_details[3]
2062
return (entry[0][2],
2063
(None, utf8_decode(path)[0]),
2067
(None, utf8_decode(entry[0][1])[0]),
2068
(None, path_info[2]),
2069
(None, target_exec))
2071
# but its not on disk: we deliberately treat this as just
2072
# never-present. (Why ?! - RBC 20070224)
2074
elif source_minikind in 'fdlt' and target_minikind in 'a':
2075
# unversioned, possibly, or possibly not deleted: we dont care.
2076
# if its still on disk, *and* theres no other entry at this
2077
# path [we dont know this in this routine at the moment -
2078
# perhaps we should change this - then it would be an unknown.
2079
old_path = pathjoin(entry[0][0], entry[0][1])
2080
# parent id is the entry for the path in the target tree
2081
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2082
if parent_id == entry[0][2]:
2084
return (entry[0][2],
2085
(utf8_decode(old_path)[0], None),
2089
(utf8_decode(entry[0][1])[0], None),
2090
(_minikind_to_kind[source_minikind], None),
2091
(source_details[3], None))
2092
elif source_minikind in 'fdlt' and target_minikind in 'r':
2093
# a rename; could be a true rename, or a rename inherited from
2094
# a renamed parent. TODO: handle this efficiently. Its not
2095
# common case to rename dirs though, so a correct but slow
2096
# implementation will do.
2097
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2098
search_specific_files.add(target_details[1])
2099
elif source_minikind in 'ra' and target_minikind in 'ra':
2100
# neither of the selected trees contain this file,
2101
# so skip over it. This is not currently directly tested, but
2102
# is indirectly via test_too_much.TestCommands.test_conflicts.
2105
raise AssertionError("don't know how to compare "
2106
"source_minikind=%r, target_minikind=%r"
2107
% (source_minikind, target_minikind))
2108
## import pdb;pdb.set_trace()
2111
while search_specific_files:
2112
# TODO: the pending list should be lexically sorted? the
2113
# interface doesn't require it.
2114
current_root = search_specific_files.pop()
2115
current_root_unicode = current_root.decode('utf8')
2116
searched_specific_files.add(current_root)
2117
# process the entries for this containing directory: the rest will be
2118
# found by their parents recursively.
2119
root_entries = _entries_for_path(current_root)
2120
root_abspath = self.target.abspath(current_root_unicode)
2122
root_stat = os.lstat(root_abspath)
2124
if e.errno == errno.ENOENT:
2125
# the path does not exist: let _process_entry know that.
2126
root_dir_info = None
2128
# some other random error: hand it up.
2131
root_dir_info = ('', current_root,
2132
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2134
if root_dir_info[2] == 'directory':
2135
if self.target._directory_is_tree_reference(
2136
current_root.decode('utf8')):
2137
root_dir_info = root_dir_info[:2] + \
2138
('tree-reference',) + root_dir_info[3:]
2140
if not root_entries and not root_dir_info:
2141
# this specified path is not present at all, skip it.
2143
path_handled = False
2144
for entry in root_entries:
2145
result = _process_entry(entry, root_dir_info)
2146
if result is not None:
2148
if result is not uninteresting:
2150
if want_unversioned and not path_handled and root_dir_info:
2151
new_executable = bool(
2152
stat.S_ISREG(root_dir_info[3].st_mode)
2153
and stat.S_IEXEC & root_dir_info[3].st_mode)
2155
(None, current_root_unicode),
2159
(None, splitpath(current_root_unicode)[-1]),
2160
(None, root_dir_info[2]),
2161
(None, new_executable)
2163
initial_key = (current_root, '', '')
2164
block_index, _ = state._find_block_index_from_key(initial_key)
2165
if block_index == 0:
2166
# we have processed the total root already, but because the
2167
# initial key matched it we should skip it here.
2169
if root_dir_info and root_dir_info[2] == 'tree-reference':
2170
current_dir_info = None
2172
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2174
current_dir_info = dir_iterator.next()
2176
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2177
# python 2.5 has e.errno == EINVAL,
2178
# and e.winerror == ERROR_DIRECTORY
2179
e_winerror = getattr(e, 'winerror', None)
2180
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2181
# there may be directories in the inventory even though
2182
# this path is not a file on disk: so mark it as end of
2184
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2185
current_dir_info = None
2186
elif (sys.platform == 'win32'
2187
and (e.errno in win_errors
2188
or e_winerror in win_errors)):
2189
current_dir_info = None
2193
if current_dir_info[0][0] == '':
2194
# remove .bzr from iteration
2195
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2196
assert current_dir_info[1][bzr_index][0] == '.bzr'
2197
del current_dir_info[1][bzr_index]
2198
# walk until both the directory listing and the versioned metadata
2200
if (block_index < len(state._dirblocks) and
2201
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2202
current_block = state._dirblocks[block_index]
2204
current_block = None
2205
while (current_dir_info is not None or
2206
current_block is not None):
2207
if (current_dir_info and current_block
2208
and current_dir_info[0][0] != current_block[0]):
2209
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2210
# filesystem data refers to paths not covered by the dirblock.
2211
# this has two possibilities:
2212
# A) it is versioned but empty, so there is no block for it
2213
# B) it is not versioned.
2215
# if (A) then we need to recurse into it to check for
2216
# new unknown files or directories.
2217
# if (B) then we should ignore it, because we don't
2218
# recurse into unknown directories.
2220
while path_index < len(current_dir_info[1]):
2221
current_path_info = current_dir_info[1][path_index]
2222
if want_unversioned:
2223
if current_path_info[2] == 'directory':
2224
if self.target._directory_is_tree_reference(
2225
current_path_info[0].decode('utf8')):
2226
current_path_info = current_path_info[:2] + \
2227
('tree-reference',) + current_path_info[3:]
2228
new_executable = bool(
2229
stat.S_ISREG(current_path_info[3].st_mode)
2230
and stat.S_IEXEC & current_path_info[3].st_mode)
2232
(None, utf8_decode(current_path_info[0])[0]),
2236
(None, utf8_decode(current_path_info[1])[0]),
2237
(None, current_path_info[2]),
2238
(None, new_executable))
2239
# dont descend into this unversioned path if it is
2241
if current_path_info[2] in ('directory',
2243
del current_dir_info[1][path_index]
2247
# This dir info has been handled, go to the next
2249
current_dir_info = dir_iterator.next()
2250
except StopIteration:
2251
current_dir_info = None
2253
# We have a dirblock entry for this location, but there
2254
# is no filesystem path for this. This is most likely
2255
# because a directory was removed from the disk.
2256
# We don't have to report the missing directory,
2257
# because that should have already been handled, but we
2258
# need to handle all of the files that are contained
2260
for current_entry in current_block[1]:
2261
# entry referring to file not present on disk.
2262
# advance the entry only, after processing.
2263
result = _process_entry(current_entry, None)
2264
if result is not None:
2265
if result is not uninteresting:
2268
if (block_index < len(state._dirblocks) and
2269
osutils.is_inside(current_root,
2270
state._dirblocks[block_index][0])):
2271
current_block = state._dirblocks[block_index]
2273
current_block = None
2276
if current_block and entry_index < len(current_block[1]):
2277
current_entry = current_block[1][entry_index]
2279
current_entry = None
2280
advance_entry = True
2282
if current_dir_info and path_index < len(current_dir_info[1]):
2283
current_path_info = current_dir_info[1][path_index]
2284
if current_path_info[2] == 'directory':
2285
if self.target._directory_is_tree_reference(
2286
current_path_info[0].decode('utf8')):
2287
current_path_info = current_path_info[:2] + \
2288
('tree-reference',) + current_path_info[3:]
2290
current_path_info = None
2292
path_handled = False
2293
while (current_entry is not None or
2294
current_path_info is not None):
2295
if current_entry is None:
2296
# the check for path_handled when the path is adnvaced
2297
# will yield this path if needed.
2299
elif current_path_info is None:
2300
# no path is fine: the per entry code will handle it.
2301
result = _process_entry(current_entry, current_path_info)
2302
if result is not None:
2303
if result is not uninteresting:
2305
elif (current_entry[0][1] != current_path_info[1]
2306
or current_entry[1][target_index][0] in 'ar'):
2307
# The current path on disk doesn't match the dirblock
2308
# record. Either the dirblock is marked as absent, or
2309
# the file on disk is not present at all in the
2310
# dirblock. Either way, report about the dirblock
2311
# entry, and let other code handle the filesystem one.
2313
# Compare the basename for these files to determine
2315
if current_path_info[1] < current_entry[0][1]:
2316
# extra file on disk: pass for now, but only
2317
# increment the path, not the entry
2318
advance_entry = False
2320
# entry referring to file not present on disk.
2321
# advance the entry only, after processing.
2322
result = _process_entry(current_entry, None)
2323
if result is not None:
2324
if result is not uninteresting:
2326
advance_path = False
2328
result = _process_entry(current_entry, current_path_info)
2329
if result is not None:
2331
if result is not uninteresting:
2333
if advance_entry and current_entry is not None:
2335
if entry_index < len(current_block[1]):
2336
current_entry = current_block[1][entry_index]
2338
current_entry = None
2340
advance_entry = True # reset the advance flaga
2341
if advance_path and current_path_info is not None:
2342
if not path_handled:
2343
# unversioned in all regards
2344
if want_unversioned:
2345
new_executable = bool(
2346
stat.S_ISREG(current_path_info[3].st_mode)
2347
and stat.S_IEXEC & current_path_info[3].st_mode)
2349
(None, utf8_decode(current_path_info[0])[0]),
2353
(None, utf8_decode(current_path_info[1])[0]),
2354
(None, current_path_info[2]),
2355
(None, new_executable))
2356
# dont descend into this unversioned path if it is
2358
if current_path_info[2] in ('directory'):
2359
del current_dir_info[1][path_index]
2361
# dont descend the disk iterator into any tree
2363
if current_path_info[2] == 'tree-reference':
2364
del current_dir_info[1][path_index]
2367
if path_index < len(current_dir_info[1]):
2368
current_path_info = current_dir_info[1][path_index]
2369
if current_path_info[2] == 'directory':
2370
if self.target._directory_is_tree_reference(
2371
current_path_info[0].decode('utf8')):
2372
current_path_info = current_path_info[:2] + \
2373
('tree-reference',) + current_path_info[3:]
2375
current_path_info = None
2376
path_handled = False
2378
advance_path = True # reset the advance flagg.
2379
if current_block is not None:
2381
if (block_index < len(state._dirblocks) and
2382
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2383
current_block = state._dirblocks[block_index]
2385
current_block = None
2386
if current_dir_info is not None:
2388
current_dir_info = dir_iterator.next()
2389
except StopIteration:
2390
current_dir_info = None
2394
def is_compatible(source, target):
2395
# the target must be a dirstate working tree
2396
if not isinstance(target, WorkingTree4):
2398
# the source must be a revtreee or dirstate rev tree.
2399
if not isinstance(source,
2400
(revisiontree.RevisionTree, DirStateRevisionTree)):
2402
# the source revid must be in the target dirstate
2403
if not (source._revision_id == NULL_REVISION or
2404
source._revision_id in target.get_parent_ids()):
2405
# TODO: what about ghosts? it may well need to
2406
# check for them explicitly.
2410
InterTree.register_optimiser(InterDirStateTree)
2413
class Converter3to4(object):
2414
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2417
self.target_format = WorkingTreeFormat4()
2419
def convert(self, tree):
2420
# lock the control files not the tree, so that we dont get tree
2421
# on-unlock behaviours, and so that noone else diddles with the
2422
# tree during upgrade.
2423
tree._control_files.lock_write()
2425
tree.read_working_inventory()
2426
self.create_dirstate_data(tree)
2427
self.update_format(tree)
2428
self.remove_xml_files(tree)
2430
tree._control_files.unlock()
2432
def create_dirstate_data(self, tree):
2433
"""Create the dirstate based data for tree."""
2434
local_path = tree.bzrdir.get_workingtree_transport(None
2435
).local_abspath('dirstate')
2436
state = dirstate.DirState.from_tree(tree, local_path)
2440
def remove_xml_files(self, tree):
2441
"""Remove the oldformat 3 data."""
2442
transport = tree.bzrdir.get_workingtree_transport(None)
2443
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2444
'pending-merges', 'stat-cache']:
2446
transport.delete(path)
2447
except errors.NoSuchFile:
2448
# some files are optional - just deal.
2451
def update_format(self, tree):
2452
"""Change the format marker."""
2453
tree._control_files.put_utf8('format',
2454
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
