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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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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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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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self._control_files = _control_files
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self._transport = self._control_files._transport
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# during a read or write lock these objects are set, and are
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# None the rest of the time.
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self._dirstate = None
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self._inventory = None
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self._setup_directory_is_tree_reference()
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self._detect_case_handling()
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@needs_tree_write_lock
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def _add(self, files, ids, kinds):
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"""See MutableTree._add."""
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state = self.current_dirstate()
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for f, file_id, kind in zip(files, ids, kinds):
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# special case tree root handling.
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if f == '' and self.path2id(f) == ROOT_ID:
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state.set_path_id('', generate_ids.gen_file_id(f))
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file_id = generate_ids.gen_file_id(f)
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# deliberately add the file with no cached stat or sha1
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# - on the first access it will be gathered, and we can
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# always change this once tests are all passing.
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state.add(f, file_id, kind, None, '')
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self._make_dirty(reset_inventory=True)
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def _make_dirty(self, reset_inventory):
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"""Make the tree state dirty.
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:param reset_inventory: True if the cached inventory should be removed
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(presuming there is one).
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if reset_inventory and self._inventory is not None:
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self._inventory = None
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@needs_tree_write_lock
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def add_reference(self, sub_tree):
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# use standard implementation, which calls back to self._add
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# So we don't store the reference_revision in the working dirstate,
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# it's just recorded at the moment of commit.
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self._add_reference(sub_tree)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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This will probe the repository for its lock as well.
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# if the dirstate is locked by an active process, reject the break lock
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if self._dirstate is None:
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state = self._current_dirstate()
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if state._lock_token is not None:
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# we already have it locked. sheese, cant break our own lock.
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raise errors.LockActive(self.basedir)
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# try for a write lock - need permission to get one anyhow
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except errors.LockContention:
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# oslocks fail when a process is still live: fail.
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# TODO: get the locked lockdir info and give to the user to
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# assist in debugging.
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raise errors.LockActive(self.basedir)
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self._dirstate = None
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self._control_files.break_lock()
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self.branch.break_lock()
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def _comparison_data(self, entry, path):
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kind, executable, stat_value = \
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WorkingTree3._comparison_data(self, entry, path)
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# it looks like a plain directory, but it's really a reference -- see
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(path)):
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kind = 'tree-reference'
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return kind, executable, stat_value
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def commit(self, message=None, revprops=None, *args, **kwargs):
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# mark the tree as dirty post commit - commit
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# can change the current versioned list by doing deletes.
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result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
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self._make_dirty(reset_inventory=True)
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def current_dirstate(self):
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"""Return the current dirstate object.
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This is not part of the tree interface and only exposed for ease of
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:raises errors.NotWriteLocked: when not in a lock.
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self._must_be_locked()
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return self._current_dirstate()
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def _current_dirstate(self):
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"""Internal function that does not check lock status.
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This is needed for break_lock which also needs the dirstate.
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if self._dirstate is not None:
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return self._dirstate
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local_path = self.bzrdir.get_workingtree_transport(None
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).local_abspath('dirstate')
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self._dirstate = dirstate.DirState.on_file(local_path)
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return self._dirstate
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def filter_unversioned_files(self, paths):
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"""Filter out paths that are versioned.
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:return: set of paths.
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# TODO: make a generic multi-bisect routine roughly that should list
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# the paths, then process one half at a time recursively, and feed the
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# results of each bisect in further still
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paths = sorted(paths)
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state = self.current_dirstate()
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# TODO we want a paths_to_dirblocks helper I think
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dirname, basename = os.path.split(path.encode('utf8'))
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_, _, _, path_is_versioned = state._get_block_entry_index(
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dirname, basename, 0)
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if not path_is_versioned:
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"""Write all cached data to disk."""
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if self._control_files._lock_mode != 'w':
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raise errors.NotWriteLocked(self)
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self.current_dirstate().save()
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self._inventory = None
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@needs_tree_write_lock
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def _gather_kinds(self, files, kinds):
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"""See MutableTree._gather_kinds."""
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for pos, f in enumerate(files):
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if kinds[pos] is None:
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kinds[pos] = self._kind(f)
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def _generate_inventory(self):
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"""Create and set self.inventory from the dirstate object.
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This is relatively expensive: we have to walk the entire dirstate.
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Ideally we would not, and can deprecate this function.
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#: uncomment to trap on inventory requests.
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# import pdb;pdb.set_trace()
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state = self.current_dirstate()
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state._read_dirblocks_if_needed()
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root_key, current_entry = self._get_entry(path='')
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current_id = root_key[2]
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if not (current_entry[0][0] == 'd'): # directory
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raise AssertionError(current_entry)
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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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if not self._repo_supports_tree_reference:
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raise AssertionError(
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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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if file_id in inv_byid:
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raise AssertionError('file_id %s already in'
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' inventory as %s' % (file_id, inv_byid[file_id]))
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if name_unicode in parent_ie.children:
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raise AssertionError('name %r already in parent'
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inv_byid[file_id] = inv_entry
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parent_ie.children[name_unicode] = inv_entry
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self._inventory = inv
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def _get_entry(self, file_id=None, path=None):
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"""Get the dirstate row for file_id or path.
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If either file_id or path is supplied, it is used as the key to lookup.
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If both are supplied, the fastest lookup is used, and an error is
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raised if they do not both point at the same row.
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:param file_id: An optional unicode file_id to be looked up.
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:param path: An optional unicode path to be looked up.
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:return: The dirstate row tuple for path/file_id, or (None, None)
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if file_id is None and path is None:
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raise errors.BzrError('must supply file_id or path')
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state = self.current_dirstate()
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path = path.encode('utf8')
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return state._get_entry(0, fileid_utf8=file_id, path_utf8=path)
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def get_file_sha1(self, file_id, path=None, stat_value=None):
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# check file id is valid unconditionally.
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entry = self._get_entry(file_id=file_id, path=path)
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raise errors.NoSuchId(self, file_id)
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path = pathjoin(entry[0][0], entry[0][1]).decode('utf8')
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file_abspath = self.abspath(path)
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state = self.current_dirstate()
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if stat_value is None:
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stat_value = os.lstat(file_abspath)
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if e.errno == errno.ENOENT:
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link_or_sha1 = state.update_entry(entry, file_abspath,
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stat_value=stat_value)
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if entry[1][0][0] == 'f':
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def _get_inventory(self):
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"""Get the inventory for the tree. This is only valid within a lock."""
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if 'evil' in debug.debug_flags:
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trace.mutter_callsite(2,
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"accessing .inventory forces a size of tree translation.")
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if self._inventory is not None:
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return self._inventory
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self._must_be_locked()
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self._generate_inventory()
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return self._inventory
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inventory = property(_get_inventory,
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doc="Inventory of this Tree")
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def get_parent_ids(self):
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"""See Tree.get_parent_ids.
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This implementation requests the ids list from the dirstate file.
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return self.current_dirstate().get_parent_ids()
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def get_reference_revision(self, file_id, path=None):
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# referenced tree's revision is whatever's currently there
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return self.get_nested_tree(file_id, path).last_revision()
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def get_nested_tree(self, file_id, path=None):
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path = self.id2path(file_id)
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# else: check file_id is at path?
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return WorkingTree.open(self.abspath(path))
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def get_root_id(self):
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"""Return the id of this trees root"""
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return self._get_entry(path='')[0][2]
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def has_id(self, file_id):
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state = self.current_dirstate()
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row, parents = self._get_entry(file_id=file_id)
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return osutils.lexists(pathjoin(
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self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
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def id2path(self, file_id):
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"Convert a file-id to a path."
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state = self.current_dirstate()
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entry = self._get_entry(file_id=file_id)
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if entry == (None, None):
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raise errors.NoSuchId(tree=self, file_id=file_id)
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path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
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return path_utf8.decode('utf8')
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def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
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entry = self._get_entry(path=path)
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if entry == (None, None):
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return False # Missing entries are not executable
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return entry[1][0][3] # Executable?
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if not osutils.supports_executable():
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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entry = self._get_entry(file_id=file_id, path=path)
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if entry == (None, None):
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return entry[1][0][3]
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_is_executable_from_path_and_stat = \
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_is_executable_from_path_and_stat_from_basis
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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self._must_be_locked()
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path = self.id2path(file_id)
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mode = os.lstat(self.abspath(path)).st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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def all_file_ids(self):
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"""See Tree.iter_all_file_ids"""
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self._must_be_locked()
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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'): # relocated
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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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raise AssertionError(
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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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if 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_id = to_entry[0][2]
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to_dir_ie = inv[to_dir_id]
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update_inventory = False
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def move_one(old_entry, from_path_utf8, minikind, executable,
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fingerprint, packed_stat, size,
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to_block, to_key, to_path_utf8):
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state._make_absent(old_entry)
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from_key = old_entry[0]
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lambda:state.update_minimal(from_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=from_path_utf8))
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state.update_minimal(to_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=to_path_utf8)
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added_entry_index, _ = state._find_entry_index(to_key, to_block[1])
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new_entry = to_block[1][added_entry_index]
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rollbacks.append(lambda:state._make_absent(new_entry))
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for from_rel in from_paths:
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# from_rel is 'pathinroot/foo/bar'
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from_rel_utf8 = from_rel.encode('utf8')
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from_dirname, from_tail = osutils.split(from_rel)
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from_dirname, from_tail_utf8 = osutils.split(from_rel_utf8)
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from_entry = self._get_entry(path=from_rel)
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if from_entry == (None, None):
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raise errors.BzrMoveFailedError(from_rel,to_dir,
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errors.NotVersionedError(path=str(from_rel)))
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from_id = from_entry[0][2]
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to_rel = pathjoin(to_dir, from_tail)
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to_rel_utf8 = pathjoin(to_dir_utf8, from_tail_utf8)
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item_to_entry = self._get_entry(path=to_rel)
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if item_to_entry != (None, None):
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Target is already versioned.")
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if from_rel == to_rel:
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Source and target are identical.")
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from_missing = not self.has_filename(from_rel)
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to_missing = not self.has_filename(to_rel)
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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errors.NoSuchFile(path=to_rel,
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extra="New file has not been created yet"))
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# neither path exists
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raise errors.BzrRenameFailedError(from_rel, to_rel,
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errors.PathsDoNotExist(paths=(from_rel, to_rel)))
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if from_missing: # implicitly just update our path mapping
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raise errors.RenameFailedFilesExist(from_rel, to_rel)
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def rollback_rename():
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"""A single rename has failed, roll it back."""
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# roll back everything, even if we encounter trouble doing one
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# TODO: at least log the other exceptions rather than just
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# losing them mbp 20070307
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for rollback in reversed(rollbacks):
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exc_info = sys.exc_info()
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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)
760
osutils.rename(from_rel_abs, to_rel_abs)
762
raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
763
rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
765
# perform the rename in the inventory next if needed: its easy
769
from_entry = inv[from_id]
770
current_parent = from_entry.parent_id
771
inv.rename(from_id, to_dir_id, from_tail)
773
lambda: inv.rename(from_id, current_parent, from_tail))
774
# finally do the rename in the dirstate, which is a little
775
# tricky to rollback, but least likely to need it.
776
old_block_index, old_entry_index, dir_present, file_present = \
777
state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
778
old_block = state._dirblocks[old_block_index][1]
779
old_entry = old_block[old_entry_index]
780
from_key, old_entry_details = old_entry
781
cur_details = old_entry_details[0]
783
to_key = ((to_block[0],) + from_key[1:3])
784
minikind = cur_details[0]
785
move_one(old_entry, from_path_utf8=from_rel_utf8,
787
executable=cur_details[3],
788
fingerprint=cur_details[1],
789
packed_stat=cur_details[4],
793
to_path_utf8=to_rel_utf8)
796
def update_dirblock(from_dir, to_key, to_dir_utf8):
797
"""Recursively update all entries in this dirblock."""
799
raise AssertionError("renaming root not supported")
800
from_key = (from_dir, '')
801
from_block_idx, present = \
802
state._find_block_index_from_key(from_key)
804
# This is the old record, if it isn't present, then
805
# there is theoretically nothing to update.
806
# (Unless it isn't present because of lazy loading,
807
# but we don't do that yet)
809
from_block = state._dirblocks[from_block_idx]
810
to_block_index, to_entry_index, _, _ = \
811
state._get_block_entry_index(to_key[0], to_key[1], 0)
812
to_block_index = state._ensure_block(
813
to_block_index, to_entry_index, to_dir_utf8)
814
to_block = state._dirblocks[to_block_index]
816
# Grab a copy since move_one may update the list.
817
for entry in from_block[1][:]:
818
if not (entry[0][0] == from_dir):
819
raise AssertionError()
820
cur_details = entry[1][0]
821
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
822
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
823
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
824
minikind = cur_details[0]
826
# Deleted children of a renamed directory
827
# Do not need to be updated.
828
# Children that have been renamed out of this
829
# directory should also not be updated
831
move_one(entry, from_path_utf8=from_path_utf8,
833
executable=cur_details[3],
834
fingerprint=cur_details[1],
835
packed_stat=cur_details[4],
839
to_path_utf8=to_path_utf8)
841
# We need to move all the children of this
843
update_dirblock(from_path_utf8, to_key,
845
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
849
result.append((from_rel, to_rel))
850
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
851
self._make_dirty(reset_inventory=False)
855
def _must_be_locked(self):
856
if not self._control_files._lock_count:
857
raise errors.ObjectNotLocked(self)
860
"""Initialize the state in this tree to be a new tree."""
864
def path2id(self, path):
865
"""Return the id for path in this tree."""
866
path = path.strip('/')
867
entry = self._get_entry(path=path)
868
if entry == (None, None):
872
def paths2ids(self, paths, trees=[], require_versioned=True):
873
"""See Tree.paths2ids().
875
This specialisation fast-paths the case where all the trees are in the
880
parents = self.get_parent_ids()
882
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
884
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
885
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
886
# -- make all paths utf8 --
889
paths_utf8.add(path.encode('utf8'))
891
# -- paths is now a utf8 path set --
892
# -- get the state object and prepare it.
893
state = self.current_dirstate()
894
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
895
and '' not in paths):
896
paths2ids = self._paths2ids_using_bisect
898
paths2ids = self._paths2ids_in_memory
899
return paths2ids(paths, search_indexes,
900
require_versioned=require_versioned)
902
def _paths2ids_in_memory(self, paths, search_indexes,
903
require_versioned=True):
904
state = self.current_dirstate()
905
state._read_dirblocks_if_needed()
906
def _entries_for_path(path):
907
"""Return a list with all the entries that match path for all ids.
909
dirname, basename = os.path.split(path)
910
key = (dirname, basename, '')
911
block_index, present = state._find_block_index_from_key(key)
913
# the block which should contain path is absent.
916
block = state._dirblocks[block_index][1]
917
entry_index, _ = state._find_entry_index(key, block)
918
# we may need to look at multiple entries at this path: walk while the paths match.
919
while (entry_index < len(block) and
920
block[entry_index][0][0:2] == key[0:2]):
921
result.append(block[entry_index])
924
if require_versioned:
925
# -- check all supplied paths are versioned in a search tree. --
928
path_entries = _entries_for_path(path)
930
# this specified path is not present at all: error
931
all_versioned = False
933
found_versioned = False
934
# for each id at this path
935
for entry in path_entries:
937
for index in search_indexes:
938
if entry[1][index][0] != 'a': # absent
939
found_versioned = True
940
# all good: found a versioned cell
942
if not found_versioned:
943
# none of the indexes was not 'absent' at all ids for this
945
all_versioned = False
947
if not all_versioned:
948
raise errors.PathsNotVersionedError(paths)
949
# -- remove redundancy in supplied paths to prevent over-scanning --
950
search_paths = osutils.minimum_path_selection(paths)
952
# for all search_indexs in each path at or under each element of
953
# search_paths, if the detail is relocated: add the id, and add the
954
# relocated path as one to search if its not searched already. If the
955
# detail is not relocated, add the id.
956
searched_paths = set()
958
def _process_entry(entry):
959
"""Look at search_indexes within entry.
961
If a specific tree's details are relocated, add the relocation
962
target to search_paths if not searched already. If it is absent, do
963
nothing. Otherwise add the id to found_ids.
965
for index in search_indexes:
966
if entry[1][index][0] == 'r': # relocated
967
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
968
search_paths.add(entry[1][index][1])
969
elif entry[1][index][0] != 'a': # absent
970
found_ids.add(entry[0][2])
972
current_root = search_paths.pop()
973
searched_paths.add(current_root)
974
# process the entries for this containing directory: the rest will be
975
# found by their parents recursively.
976
root_entries = _entries_for_path(current_root)
978
# this specified path is not present at all, skip it.
980
for entry in root_entries:
981
_process_entry(entry)
982
initial_key = (current_root, '', '')
983
block_index, _ = state._find_block_index_from_key(initial_key)
984
while (block_index < len(state._dirblocks) and
985
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
986
for entry in state._dirblocks[block_index][1]:
987
_process_entry(entry)
991
def _paths2ids_using_bisect(self, paths, search_indexes,
992
require_versioned=True):
993
state = self.current_dirstate()
996
split_paths = sorted(osutils.split(p) for p in paths)
997
found = state._bisect_recursive(split_paths)
999
if require_versioned:
1000
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
1001
for dir_name in split_paths:
1002
if dir_name not in found_dir_names:
1003
raise errors.PathsNotVersionedError(paths)
1005
for dir_name_id, trees_info in found.iteritems():
1006
for index in search_indexes:
1007
if trees_info[index][0] not in ('r', 'a'):
1008
found_ids.add(dir_name_id[2])
1011
def read_working_inventory(self):
1012
"""Read the working inventory.
1014
This is a meaningless operation for dirstate, but we obey it anyhow.
1016
return self.inventory
1019
def revision_tree(self, revision_id):
1020
"""See Tree.revision_tree.
1022
WorkingTree4 supplies revision_trees for any basis tree.
1024
dirstate = self.current_dirstate()
1025
parent_ids = dirstate.get_parent_ids()
1026
if revision_id not in parent_ids:
1027
raise errors.NoSuchRevisionInTree(self, revision_id)
1028
if revision_id in dirstate.get_ghosts():
1029
raise errors.NoSuchRevisionInTree(self, revision_id)
1030
return DirStateRevisionTree(dirstate, revision_id,
1031
self.branch.repository)
1033
@needs_tree_write_lock
1034
def set_last_revision(self, new_revision):
1035
"""Change the last revision in the working tree."""
1036
parents = self.get_parent_ids()
1037
if new_revision in (NULL_REVISION, None):
1038
if len(parents) >= 2:
1039
raise AssertionError(
1040
"setting the last parent to none with a pending merge is "
1042
self.set_parent_ids([])
1044
self.set_parent_ids([new_revision] + parents[1:],
1045
allow_leftmost_as_ghost=True)
1047
@needs_tree_write_lock
1048
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1049
"""Set the parent ids to revision_ids.
1051
See also set_parent_trees. This api will try to retrieve the tree data
1052
for each element of revision_ids from the trees repository. If you have
1053
tree data already available, it is more efficient to use
1054
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1055
an easier API to use.
1057
:param revision_ids: The revision_ids to set as the parent ids of this
1058
working tree. Any of these may be ghosts.
1061
for revision_id in revision_ids:
1063
revtree = self.branch.repository.revision_tree(revision_id)
1064
# TODO: jam 20070213 KnitVersionedFile raises
1065
# RevisionNotPresent rather than NoSuchRevision if a
1066
# given revision_id is not present. Should Repository be
1067
# catching it and re-raising NoSuchRevision?
1068
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1070
trees.append((revision_id, revtree))
1071
self.set_parent_trees(trees,
1072
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1074
@needs_tree_write_lock
1075
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1076
"""Set the parents of the working tree.
1078
:param parents_list: A list of (revision_id, tree) tuples.
1079
If tree is None, then that element is treated as an unreachable
1080
parent tree - i.e. a ghost.
1082
dirstate = self.current_dirstate()
1083
if len(parents_list) > 0:
1084
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1085
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1088
# convert absent trees to the null tree, which we convert back to
1089
# missing on access.
1090
for rev_id, tree in parents_list:
1091
_mod_revision.check_not_reserved_id(rev_id)
1092
if tree is not None:
1093
real_trees.append((rev_id, tree))
1095
real_trees.append((rev_id,
1096
self.branch.repository.revision_tree(None)))
1097
ghosts.append(rev_id)
1098
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1099
self._make_dirty(reset_inventory=False)
1101
def _set_root_id(self, file_id):
1102
"""See WorkingTree.set_root_id."""
1103
state = self.current_dirstate()
1104
state.set_path_id('', file_id)
1105
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1106
self._make_dirty(reset_inventory=True)
1108
def _sha_from_stat(self, path, stat_result):
1109
"""Get a sha digest from the tree's stat cache.
1111
The default implementation assumes no stat cache is present.
1113
:param path: The path.
1114
:param stat_result: The stat result being looked up.
1116
return self.current_dirstate().sha1_from_stat(path, stat_result)
1119
def supports_tree_reference(self):
1120
return self._repo_supports_tree_reference
1123
"""Unlock in format 4 trees needs to write the entire dirstate."""
1124
# do non-implementation specific cleanup
1127
if self._control_files._lock_count == 1:
1128
# eventually we should do signature checking during read locks for
1130
if self._control_files._lock_mode == 'w':
1133
if self._dirstate is not None:
1134
# This is a no-op if there are no modifications.
1135
self._dirstate.save()
1136
self._dirstate.unlock()
1137
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1138
# point. Instead, it could check if the header has been
1139
# modified when it is locked, and if not, it can hang on to
1140
# the data it has in memory.
1141
self._dirstate = None
1142
self._inventory = None
1143
# reverse order of locking.
1145
return self._control_files.unlock()
1147
self.branch.unlock()
1149
@needs_tree_write_lock
1150
def unversion(self, file_ids):
1151
"""Remove the file ids in file_ids from the current versioned set.
1153
When a file_id is unversioned, all of its children are automatically
1156
:param file_ids: The file ids to stop versioning.
1157
:raises: NoSuchId if any fileid is not currently versioned.
1161
state = self.current_dirstate()
1162
state._read_dirblocks_if_needed()
1163
ids_to_unversion = set(file_ids)
1164
paths_to_unversion = set()
1166
# check if the root is to be unversioned, if so, assert for now.
1167
# walk the state marking unversioned things as absent.
1168
# if there are any un-unversioned ids at the end, raise
1169
for key, details in state._dirblocks[0][1]:
1170
if (details[0][0] not in ('a', 'r') and # absent or relocated
1171
key[2] in ids_to_unversion):
1172
# I haven't written the code to unversion / yet - it should be
1174
raise errors.BzrError('Unversioning the / is not currently supported')
1176
while block_index < len(state._dirblocks):
1177
# process one directory at a time.
1178
block = state._dirblocks[block_index]
1179
# first check: is the path one to remove - it or its children
1180
delete_block = False
1181
for path in paths_to_unversion:
1182
if (block[0].startswith(path) and
1183
(len(block[0]) == len(path) or
1184
block[0][len(path)] == '/')):
1185
# this entire block should be deleted - its the block for a
1186
# path to unversion; or the child of one
1189
# TODO: trim paths_to_unversion as we pass by paths
1191
# this block is to be deleted: process it.
1192
# TODO: we can special case the no-parents case and
1193
# just forget the whole block.
1195
while entry_index < len(block[1]):
1196
# Mark this file id as having been removed
1197
entry = block[1][entry_index]
1198
ids_to_unversion.discard(entry[0][2])
1199
if (entry[1][0][0] in 'ar' # don't remove absent or renamed
1201
or not state._make_absent(entry)):
1203
# go to the next block. (At the moment we dont delete empty
1208
while entry_index < len(block[1]):
1209
entry = block[1][entry_index]
1210
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1211
# ^ some parent row.
1212
entry[0][2] not in ids_to_unversion):
1213
# ^ not an id to unversion
1216
if entry[1][0][0] == 'd':
1217
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1218
if not state._make_absent(entry):
1220
# we have unversioned this id
1221
ids_to_unversion.remove(entry[0][2])
1223
if ids_to_unversion:
1224
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1225
self._make_dirty(reset_inventory=False)
1226
# have to change the legacy inventory too.
1227
if self._inventory is not None:
1228
for file_id in file_ids:
1229
self._inventory.remove_recursive_id(file_id)
1231
@needs_tree_write_lock
1232
def rename_one(self, from_rel, to_rel, after=False):
1233
"""See WorkingTree.rename_one"""
1235
WorkingTree.rename_one(self, from_rel, to_rel, after)
1237
@needs_tree_write_lock
1238
def apply_inventory_delta(self, changes):
1239
"""See MutableTree.apply_inventory_delta"""
1240
state = self.current_dirstate()
1241
state.update_by_delta(changes)
1242
self._make_dirty(reset_inventory=True)
1244
def update_basis_by_delta(self, new_revid, delta):
1245
"""See MutableTree.update_basis_by_delta."""
1246
if self.last_revision() == new_revid:
1247
raise AssertionError()
1248
self.current_dirstate().update_basis_by_delta(delta, new_revid)
1251
def _validate(self):
1252
self._dirstate._validate()
1254
@needs_tree_write_lock
1255
def _write_inventory(self, inv):
1256
"""Write inventory as the current inventory."""
1258
raise AssertionError("attempting to write an inventory when the "
1259
"dirstate is dirty will lose pending changes")
1260
self.current_dirstate().set_state_from_inventory(inv)
1261
self._make_dirty(reset_inventory=False)
1262
if self._inventory is not None:
1263
self._inventory = inv
1267
class WorkingTreeFormat4(WorkingTreeFormat3):
1268
"""The first consolidated dirstate working tree format.
1271
- exists within a metadir controlling .bzr
1272
- includes an explicit version marker for the workingtree control
1273
files, separate from the BzrDir format
1274
- modifies the hash cache format
1275
- is new in bzr 0.15
1276
- uses a LockDir to guard access to it.
1279
upgrade_recommended = False
1281
def get_format_string(self):
1282
"""See WorkingTreeFormat.get_format_string()."""
1283
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1285
def get_format_description(self):
1286
"""See WorkingTreeFormat.get_format_description()."""
1287
return "Working tree format 4"
1289
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1290
accelerator_tree=None, hardlink=False):
1291
"""See WorkingTreeFormat.initialize().
1293
:param revision_id: allows creating a working tree at a different
1294
revision than the branch is at.
1295
:param accelerator_tree: A tree which can be used for retrieving file
1296
contents more quickly than the revision tree, i.e. a workingtree.
1297
The revision tree will be used for cases where accelerator_tree's
1298
content is different.
1299
:param hardlink: If true, hard-link files from accelerator_tree,
1302
These trees get an initial random root id, if their repository supports
1303
rich root data, TREE_ROOT otherwise.
1305
if not isinstance(a_bzrdir.transport, LocalTransport):
1306
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1307
transport = a_bzrdir.get_workingtree_transport(self)
1308
control_files = self._open_control_files(a_bzrdir)
1309
control_files.create_lock()
1310
control_files.lock_write()
1311
transport.put_bytes('format', self.get_format_string(),
1312
mode=control_files._file_mode)
1313
if from_branch is not None:
1314
branch = from_branch
1316
branch = a_bzrdir.open_branch()
1317
if revision_id is None:
1318
revision_id = branch.last_revision()
1319
local_path = transport.local_abspath('dirstate')
1320
# write out new dirstate (must exist when we create the tree)
1321
state = dirstate.DirState.initialize(local_path)
1324
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1328
_control_files=control_files)
1330
wt.lock_tree_write()
1332
if revision_id in (None, NULL_REVISION):
1333
if branch.repository.supports_rich_root():
1334
wt._set_root_id(generate_ids.gen_root_id())
1336
wt._set_root_id(ROOT_ID)
1339
# frequently, we will get here due to branching. The accelerator
1340
# tree will be the tree from the branch, so the desired basis
1341
# tree will often be a parent of the accelerator tree.
1342
if accelerator_tree is not None:
1344
basis = accelerator_tree.revision_tree(revision_id)
1345
except errors.NoSuchRevision:
1348
basis = branch.repository.revision_tree(revision_id)
1349
if revision_id == NULL_REVISION:
1352
parents_list = [(revision_id, basis)]
1355
wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
1357
# if the basis has a root id we have to use that; otherwise we
1358
# use a new random one
1359
basis_root_id = basis.get_root_id()
1360
if basis_root_id is not None:
1361
wt._set_root_id(basis_root_id)
1363
# delta_from_tree is safe even for DirStateRevisionTrees,
1364
# because wt4.apply_inventory_delta does not mutate the input
1365
# inventory entries.
1366
transform.build_tree(basis, wt, accelerator_tree,
1367
hardlink=hardlink, delta_from_tree=True)
1371
control_files.unlock()
1375
def _open(self, a_bzrdir, control_files):
1376
"""Open the tree itself.
1378
:param a_bzrdir: the dir for the tree.
1379
:param control_files: the control files for the tree.
1381
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1382
branch=a_bzrdir.open_branch(),
1385
_control_files=control_files)
1387
def __get_matchingbzrdir(self):
1388
# please test against something that will let us do tree references
1389
return bzrdir.format_registry.make_bzrdir(
1390
'dirstate-with-subtree')
1392
_matchingbzrdir = property(__get_matchingbzrdir)
1395
class DirStateRevisionTree(Tree):
1396
"""A revision tree pulling the inventory from a dirstate."""
1398
def __init__(self, dirstate, revision_id, repository):
1399
self._dirstate = dirstate
1400
self._revision_id = revision_id
1401
self._repository = repository
1402
self._inventory = None
1404
self._dirstate_locked = False
1407
return "<%s of %s in %s>" % \
1408
(self.__class__.__name__, self._revision_id, self._dirstate)
1410
def annotate_iter(self, file_id,
1411
default_revision=_mod_revision.CURRENT_REVISION):
1412
"""See Tree.annotate_iter"""
1413
w = self._get_weave(file_id)
1414
return w.annotate(self.inventory[file_id].revision)
1416
def _get_ancestors(self, default_revision):
1417
return set(self._repository.get_ancestry(self._revision_id,
1419
def _comparison_data(self, entry, path):
1420
"""See Tree._comparison_data."""
1422
return None, False, None
1423
# trust the entry as RevisionTree does, but this may not be
1424
# sensible: the entry might not have come from us?
1425
return entry.kind, entry.executable, None
1427
def _file_size(self, entry, stat_value):
1428
return entry.text_size
1430
def filter_unversioned_files(self, paths):
1431
"""Filter out paths that are not versioned.
1433
:return: set of paths.
1435
pred = self.has_filename
1436
return set((p for p in paths if not pred(p)))
1438
def get_root_id(self):
1439
return self.path2id('')
1441
def id2path(self, file_id):
1442
"Convert a file-id to a path."
1443
entry = self._get_entry(file_id=file_id)
1444
if entry == (None, None):
1445
raise errors.NoSuchId(tree=self, file_id=file_id)
1446
path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1447
return path_utf8.decode('utf8')
1449
def _get_parent_index(self):
1450
"""Return the index in the dirstate referenced by this tree."""
1451
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1453
def _get_entry(self, file_id=None, path=None):
1454
"""Get the dirstate row for file_id or path.
1456
If either file_id or path is supplied, it is used as the key to lookup.
1457
If both are supplied, the fastest lookup is used, and an error is
1458
raised if they do not both point at the same row.
1460
:param file_id: An optional unicode file_id to be looked up.
1461
:param path: An optional unicode path to be looked up.
1462
:return: The dirstate row tuple for path/file_id, or (None, None)
1464
if file_id is None and path is None:
1465
raise errors.BzrError('must supply file_id or path')
1466
if path is not None:
1467
path = path.encode('utf8')
1468
parent_index = self._get_parent_index()
1469
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1471
def _generate_inventory(self):
1472
"""Create and set self.inventory from the dirstate object.
1474
(So this is only called the first time the inventory is requested for
1475
this tree; it then remains in memory until it's out of date.)
1477
This is relatively expensive: we have to walk the entire dirstate.
1479
if not self._locked:
1480
raise AssertionError(
1481
'cannot generate inventory of an unlocked '
1482
'dirstate revision tree')
1483
# separate call for profiling - makes it clear where the costs are.
1484
self._dirstate._read_dirblocks_if_needed()
1485
if self._revision_id not in self._dirstate.get_parent_ids():
1486
raise AssertionError(
1487
'parent %s has disappeared from %s' % (
1488
self._revision_id, self._dirstate.get_parent_ids()))
1489
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1490
# This is identical now to the WorkingTree _generate_inventory except
1491
# for the tree index use.
1492
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1493
current_id = root_key[2]
1494
if current_entry[parent_index][0] != 'd':
1495
raise AssertionError()
1496
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1497
inv.root.revision = current_entry[parent_index][4]
1498
# Turn some things into local variables
1499
minikind_to_kind = dirstate.DirState._minikind_to_kind
1500
factory = entry_factory
1501
utf8_decode = cache_utf8._utf8_decode
1502
inv_byid = inv._byid
1503
# we could do this straight out of the dirstate; it might be fast
1504
# and should be profiled - RBC 20070216
1505
parent_ies = {'' : inv.root}
1506
for block in self._dirstate._dirblocks[1:]: #skip root
1509
parent_ie = parent_ies[dirname]
1511
# all the paths in this block are not versioned in this tree
1513
for key, entry in block[1]:
1514
minikind, fingerprint, size, executable, revid = entry[parent_index]
1515
if minikind in ('a', 'r'): # absent, relocated
1519
name_unicode = utf8_decode(name)[0]
1521
kind = minikind_to_kind[minikind]
1522
inv_entry = factory[kind](file_id, name_unicode,
1524
inv_entry.revision = revid
1526
inv_entry.executable = executable
1527
inv_entry.text_size = size
1528
inv_entry.text_sha1 = fingerprint
1529
elif kind == 'directory':
1530
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1531
elif kind == 'symlink':
1532
inv_entry.executable = False
1533
inv_entry.text_size = None
1534
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1535
elif kind == 'tree-reference':
1536
inv_entry.reference_revision = fingerprint or None
1538
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1540
# These checks cost us around 40ms on a 55k entry tree
1541
if file_id in inv_byid:
1542
raise AssertionError('file_id %s already in'
1543
' inventory as %s' % (file_id, inv_byid[file_id]))
1544
if name_unicode in parent_ie.children:
1545
raise AssertionError('name %r already in parent'
1547
inv_byid[file_id] = inv_entry
1548
parent_ie.children[name_unicode] = inv_entry
1549
self._inventory = inv
1551
def get_file_mtime(self, file_id, path=None):
1552
"""Return the modification time for this record.
1554
We return the timestamp of the last-changed revision.
1556
# Make sure the file exists
1557
entry = self._get_entry(file_id, path=path)
1558
if entry == (None, None): # do we raise?
1560
parent_index = self._get_parent_index()
1561
last_changed_revision = entry[1][parent_index][4]
1562
return self._repository.get_revision(last_changed_revision).timestamp
1564
def get_file_sha1(self, file_id, path=None, stat_value=None):
1565
entry = self._get_entry(file_id=file_id, path=path)
1566
parent_index = self._get_parent_index()
1567
parent_details = entry[1][parent_index]
1568
if parent_details[0] == 'f':
1569
return parent_details[1]
1572
def _get_weave(self, file_id):
1573
return self._repository.weave_store.get_weave(file_id,
1574
self._repository.get_transaction())
1576
def get_file(self, file_id, path=None):
1577
return StringIO(self.get_file_text(file_id))
1579
def get_file_lines(self, file_id):
1580
entry = self._get_entry(file_id=file_id)[1]
1582
raise errors.NoSuchId(tree=self, file_id=file_id)
1583
return self._get_weave(file_id).get_lines(entry[1][4])
1585
def get_file_size(self, file_id):
1586
"""See Tree.get_file_size"""
1587
return self.inventory[file_id].text_size
1589
def get_file_text(self, file_id):
1590
return ''.join(self.get_file_lines(file_id))
1592
def get_reference_revision(self, file_id, path=None):
1593
return self.inventory[file_id].reference_revision
1595
def iter_files_bytes(self, desired_files):
1596
"""See Tree.iter_files_bytes.
1598
This version is implemented on top of Repository.iter_files_bytes"""
1599
parent_index = self._get_parent_index()
1600
repo_desired_files = []
1601
for file_id, identifier in desired_files:
1602
entry = self._get_entry(file_id)
1603
if entry == (None, None):
1604
raise errors.NoSuchId(self, file_id)
1605
repo_desired_files.append((file_id, entry[1][parent_index][4],
1607
return self._repository.iter_files_bytes(repo_desired_files)
1609
def get_symlink_target(self, file_id):
1610
entry = self._get_entry(file_id=file_id)
1611
parent_index = self._get_parent_index()
1612
if entry[1][parent_index][0] != 'l':
1615
# At present, none of the tree implementations supports non-ascii
1616
# symlink targets. So we will just assume that the dirstate path is
1618
return entry[1][parent_index][1]
1620
def get_revision_id(self):
1621
"""Return the revision id for this tree."""
1622
return self._revision_id
1624
def _get_inventory(self):
1625
if self._inventory is not None:
1626
return self._inventory
1627
self._must_be_locked()
1628
self._generate_inventory()
1629
return self._inventory
1631
inventory = property(_get_inventory,
1632
doc="Inventory of this Tree")
1634
def get_parent_ids(self):
1635
"""The parents of a tree in the dirstate are not cached."""
1636
return self._repository.get_revision(self._revision_id).parent_ids
1638
def has_filename(self, filename):
1639
return bool(self.path2id(filename))
1641
def kind(self, file_id):
1642
entry = self._get_entry(file_id=file_id)[1]
1644
raise errors.NoSuchId(tree=self, file_id=file_id)
1645
return dirstate.DirState._minikind_to_kind[entry[1][0]]
1647
def stored_kind(self, file_id):
1648
"""See Tree.stored_kind"""
1649
return self.kind(file_id)
1651
def path_content_summary(self, path):
1652
"""See Tree.path_content_summary."""
1653
id = self.inventory.path2id(path)
1655
return ('missing', None, None, None)
1656
entry = self._inventory[id]
1659
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1660
elif kind == 'symlink':
1661
return (kind, None, None, entry.symlink_target)
1663
return (kind, None, None, None)
1665
def is_executable(self, file_id, path=None):
1666
ie = self.inventory[file_id]
1667
if ie.kind != "file":
1669
return ie.executable
1671
def list_files(self, include_root=False):
1672
# We use a standard implementation, because DirStateRevisionTree is
1673
# dealing with one of the parents of the current state
1674
inv = self._get_inventory()
1675
entries = inv.iter_entries()
1676
if self.inventory.root is not None and not include_root:
1678
for path, entry in entries:
1679
yield path, 'V', entry.kind, entry.file_id, entry
1681
def lock_read(self):
1682
"""Lock the tree for a set of operations."""
1683
if not self._locked:
1684
self._repository.lock_read()
1685
if self._dirstate._lock_token is None:
1686
self._dirstate.lock_read()
1687
self._dirstate_locked = True
1690
def _must_be_locked(self):
1691
if not self._locked:
1692
raise errors.ObjectNotLocked(self)
1695
def path2id(self, path):
1696
"""Return the id for path in this tree."""
1697
# lookup by path: faster than splitting and walking the ivnentory.
1698
entry = self._get_entry(path=path)
1699
if entry == (None, None):
1704
"""Unlock, freeing any cache memory used during the lock."""
1705
# outside of a lock, the inventory is suspect: release it.
1707
if not self._locked:
1708
self._inventory = None
1710
if self._dirstate_locked:
1711
self._dirstate.unlock()
1712
self._dirstate_locked = False
1713
self._repository.unlock()
1715
def walkdirs(self, prefix=""):
1716
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1717
# implementation based on an inventory.
1718
# This should be cleaned up to use the much faster Dirstate code
1719
# So for now, we just build up the parent inventory, and extract
1720
# it the same way RevisionTree does.
1721
_directory = 'directory'
1722
inv = self._get_inventory()
1723
top_id = inv.path2id(prefix)
1727
pending = [(prefix, top_id)]
1730
relpath, file_id = pending.pop()
1731
# 0 - relpath, 1- file-id
1733
relroot = relpath + '/'
1736
# FIXME: stash the node in pending
1737
entry = inv[file_id]
1738
for name, child in entry.sorted_children():
1739
toppath = relroot + name
1740
dirblock.append((toppath, name, child.kind, None,
1741
child.file_id, child.kind
1743
yield (relpath, entry.file_id), dirblock
1744
# push the user specified dirs from dirblock
1745
for dir in reversed(dirblock):
1746
if dir[2] == _directory:
1747
pending.append((dir[0], dir[4]))
1750
class InterDirStateTree(InterTree):
1751
"""Fast path optimiser for changes_from with dirstate trees.
1753
This is used only when both trees are in the dirstate working file, and
1754
the source is any parent within the dirstate, and the destination is
1755
the current working tree of the same dirstate.
1757
# this could be generalized to allow comparisons between any trees in the
1758
# dirstate, and possibly between trees stored in different dirstates.
1760
def __init__(self, source, target):
1761
super(InterDirStateTree, self).__init__(source, target)
1762
if not InterDirStateTree.is_compatible(source, target):
1763
raise Exception, "invalid source %r and target %r" % (source, target)
1766
def make_source_parent_tree(source, target):
1767
"""Change the source tree into a parent of the target."""
1768
revid = source.commit('record tree')
1769
target.branch.repository.fetch(source.branch.repository, revid)
1770
target.set_parent_ids([revid])
1771
return target.basis_tree(), target
1773
_matching_from_tree_format = WorkingTreeFormat4()
1774
_matching_to_tree_format = WorkingTreeFormat4()
1775
_test_mutable_trees_to_test_trees = make_source_parent_tree
1777
def iter_changes(self, include_unchanged=False,
1778
specific_files=None, pb=None, extra_trees=[],
1779
require_versioned=True, want_unversioned=False):
1780
"""Return the changes from source to target.
1782
:return: An iterator that yields tuples. See InterTree.iter_changes
1784
:param specific_files: An optional list of file paths to restrict the
1785
comparison to. When mapping filenames to ids, all matches in all
1786
trees (including optional extra_trees) are used, and all children of
1787
matched directories are included.
1788
:param include_unchanged: An optional boolean requesting the inclusion of
1789
unchanged entries in the result.
1790
:param extra_trees: An optional list of additional trees to use when
1791
mapping the contents of specific_files (paths) to file_ids.
1792
:param require_versioned: If True, all files in specific_files must be
1793
versioned in one of source, target, extra_trees or
1794
PathsNotVersionedError is raised.
1795
:param want_unversioned: Should unversioned files be returned in the
1796
output. An unversioned file is defined as one with (False, False)
1797
for the versioned pair.
1799
utf8_decode = cache_utf8._utf8_decode
1800
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1801
cmp_by_dirs = dirstate.cmp_by_dirs
1802
# NB: show_status depends on being able to pass in non-versioned files
1803
# and report them as unknown
1804
# TODO: handle extra trees in the dirstate.
1805
if (extra_trees or specific_files == []):
1806
# we can't fast-path these cases (yet)
1807
for f in super(InterDirStateTree, self).iter_changes(
1808
include_unchanged, specific_files, pb, extra_trees,
1809
require_versioned, want_unversioned=want_unversioned):
1812
parent_ids = self.target.get_parent_ids()
1813
if not (self.source._revision_id in parent_ids
1814
or self.source._revision_id == NULL_REVISION):
1815
raise AssertionError(
1816
"revision {%s} is not stored in {%s}, but %s "
1817
"can only be used for trees stored in the dirstate"
1818
% (self.source._revision_id, self.target, self.iter_changes))
1820
if self.source._revision_id == NULL_REVISION:
1822
indices = (target_index,)
1824
if not (self.source._revision_id in parent_ids):
1825
raise AssertionError(
1826
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1827
self.source._revision_id, parent_ids))
1828
source_index = 1 + parent_ids.index(self.source._revision_id)
1829
indices = (source_index, target_index)
1830
# -- make all specific_files utf8 --
1832
specific_files_utf8 = set()
1833
for path in specific_files:
1834
specific_files_utf8.add(path.encode('utf8'))
1835
specific_files = specific_files_utf8
1837
specific_files = set([''])
1838
# -- specific_files is now a utf8 path set --
1839
# -- get the state object and prepare it.
1840
state = self.target.current_dirstate()
1841
state._read_dirblocks_if_needed()
1842
def _entries_for_path(path):
1843
"""Return a list with all the entries that match path for all ids.
1845
dirname, basename = os.path.split(path)
1846
key = (dirname, basename, '')
1847
block_index, present = state._find_block_index_from_key(key)
1849
# the block which should contain path is absent.
1852
block = state._dirblocks[block_index][1]
1853
entry_index, _ = state._find_entry_index(key, block)
1854
# we may need to look at multiple entries at this path: walk while the specific_files match.
1855
while (entry_index < len(block) and
1856
block[entry_index][0][0:2] == key[0:2]):
1857
result.append(block[entry_index])
1860
if require_versioned:
1861
# -- check all supplied paths are versioned in a search tree. --
1862
all_versioned = True
1863
for path in specific_files:
1864
path_entries = _entries_for_path(path)
1865
if not path_entries:
1866
# this specified path is not present at all: error
1867
all_versioned = False
1869
found_versioned = False
1870
# for each id at this path
1871
for entry in path_entries:
1873
for index in indices:
1874
if entry[1][index][0] != 'a': # absent
1875
found_versioned = True
1876
# all good: found a versioned cell
1878
if not found_versioned:
1879
# none of the indexes was not 'absent' at all ids for this
1881
all_versioned = False
1883
if not all_versioned:
1884
raise errors.PathsNotVersionedError(specific_files)
1885
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1886
search_specific_files = set()
1887
for path in specific_files:
1888
other_specific_files = specific_files.difference(set([path]))
1889
if not osutils.is_inside_any(other_specific_files, path):
1890
# this is a top level path, we must check it.
1891
search_specific_files.add(path)
1893
# compare source_index and target_index at or under each element of search_specific_files.
1894
# follow the following comparison table. Note that we only want to do diff operations when
1895
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1899
# Source | Target | disk | action
1900
# r | fdlt | | add source to search, add id path move and perform
1901
# | | | diff check on source-target
1902
# r | fdlt | a | dangling file that was present in the basis.
1904
# r | a | | add source to search
1906
# r | r | | this path is present in a non-examined tree, skip.
1907
# r | r | a | this path is present in a non-examined tree, skip.
1908
# a | fdlt | | add new id
1909
# a | fdlt | a | dangling locally added file, skip
1910
# a | a | | not present in either tree, skip
1911
# a | a | a | not present in any tree, skip
1912
# a | r | | not present in either tree at this path, skip as it
1913
# | | | may not be selected by the users list of paths.
1914
# a | r | a | not present in either tree at this path, skip as it
1915
# | | | may not be selected by the users list of paths.
1916
# fdlt | fdlt | | content in both: diff them
1917
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1918
# fdlt | a | | unversioned: output deleted id for now
1919
# fdlt | a | a | unversioned and deleted: output deleted id
1920
# fdlt | r | | relocated in this tree, so add target to search.
1921
# | | | Dont diff, we will see an r,fd; pair when we reach
1922
# | | | this id at the other path.
1923
# fdlt | r | a | relocated in this tree, so add target to search.
1924
# | | | Dont diff, we will see an r,fd; pair when we reach
1925
# | | | this id at the other path.
1927
# for all search_indexs in each path at or under each element of
1928
# search_specific_files, if the detail is relocated: add the id, and add the
1929
# relocated path as one to search if its not searched already. If the
1930
# detail is not relocated, add the id.
1931
searched_specific_files = set()
1932
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1933
# Using a list so that we can access the values and change them in
1934
# nested scope. Each one is [path, file_id, entry]
1935
last_source_parent = [None, None]
1936
last_target_parent = [None, None]
1938
use_filesystem_for_exec = (sys.platform != 'win32')
1940
# Just a sentry, so that _process_entry can say that this
1941
# record is handled, but isn't interesting to process (unchanged)
1942
uninteresting = object()
1945
old_dirname_to_file_id = {}
1946
new_dirname_to_file_id = {}
1947
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1948
# keeping a cache of directories that we have seen.
1950
def _process_entry(entry, path_info):
1951
"""Compare an entry and real disk to generate delta information.
1953
:param path_info: top_relpath, basename, kind, lstat, abspath for
1954
the path of entry. If None, then the path is considered absent.
1955
(Perhaps we should pass in a concrete entry for this ?)
1956
Basename is returned as a utf8 string because we expect this
1957
tuple will be ignored, and don't want to take the time to
1959
:return: None if these don't match
1960
A tuple of information about the change, or
1961
the object 'uninteresting' if these match, but are
1962
basically identical.
1964
if source_index is None:
1965
source_details = NULL_PARENT_DETAILS
1967
source_details = entry[1][source_index]
1968
target_details = entry[1][target_index]
1969
target_minikind = target_details[0]
1970
if path_info is not None and target_minikind in 'fdlt':
1971
if not (target_index == 0):
1972
raise AssertionError()
1973
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1974
stat_value=path_info[3])
1975
# The entry may have been modified by update_entry
1976
target_details = entry[1][target_index]
1977
target_minikind = target_details[0]
1980
file_id = entry[0][2]
1981
source_minikind = source_details[0]
1982
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1983
# claimed content in both: diff
1984
# r | fdlt | | add source to search, add id path move and perform
1985
# | | | diff check on source-target
1986
# r | fdlt | a | dangling file that was present in the basis.
1988
if source_minikind in 'r':
1989
# add the source to the search path to find any children it
1990
# has. TODO ? : only add if it is a container ?
1991
if not osutils.is_inside_any(searched_specific_files,
1993
search_specific_files.add(source_details[1])
1994
# generate the old path; this is needed for stating later
1996
old_path = source_details[1]
1997
old_dirname, old_basename = os.path.split(old_path)
1998
path = pathjoin(entry[0][0], entry[0][1])
1999
old_entry = state._get_entry(source_index,
2001
# update the source details variable to be the real
2003
if old_entry == (None, None):
2004
raise errors.CorruptDirstate(state._filename,
2005
"entry '%s/%s' is considered renamed from %r"
2006
" but source does not exist\n"
2007
"entry: %s" % (entry[0][0], entry[0][1], old_path, entry))
2008
source_details = old_entry[1][source_index]
2009
source_minikind = source_details[0]
2011
old_dirname = entry[0][0]
2012
old_basename = entry[0][1]
2013
old_path = path = None
2014
if path_info is None:
2015
# the file is missing on disk, show as removed.
2016
content_change = True
2020
# source and target are both versioned and disk file is present.
2021
target_kind = path_info[2]
2022
if target_kind == 'directory':
2024
old_path = path = pathjoin(old_dirname, old_basename)
2025
new_dirname_to_file_id[path] = file_id
2026
if source_minikind != 'd':
2027
content_change = True
2029
# directories have no fingerprint
2030
content_change = False
2032
elif target_kind == 'file':
2033
if source_minikind != 'f':
2034
content_change = True
2036
# We could check the size, but we already have the
2038
content_change = (link_or_sha1 != source_details[1])
2039
# Target details is updated at update_entry time
2040
if use_filesystem_for_exec:
2041
# We don't need S_ISREG here, because we are sure
2042
# we are dealing with a file.
2043
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
2045
target_exec = target_details[3]
2046
elif target_kind == 'symlink':
2047
if source_minikind != 'l':
2048
content_change = True
2050
content_change = (link_or_sha1 != source_details[1])
2052
elif target_kind == 'tree-reference':
2053
if source_minikind != 't':
2054
content_change = True
2056
content_change = False
2059
raise Exception, "unknown kind %s" % path_info[2]
2060
if source_minikind == 'd':
2062
old_path = path = pathjoin(old_dirname, old_basename)
2063
old_dirname_to_file_id[old_path] = file_id
2064
# parent id is the entry for the path in the target tree
2065
if old_dirname == last_source_parent[0]:
2066
source_parent_id = last_source_parent[1]
2069
source_parent_id = old_dirname_to_file_id[old_dirname]
2071
source_parent_entry = state._get_entry(source_index,
2072
path_utf8=old_dirname)
2073
source_parent_id = source_parent_entry[0][2]
2074
if source_parent_id == entry[0][2]:
2075
# This is the root, so the parent is None
2076
source_parent_id = None
2078
last_source_parent[0] = old_dirname
2079
last_source_parent[1] = source_parent_id
2080
new_dirname = entry[0][0]
2081
if new_dirname == last_target_parent[0]:
2082
target_parent_id = last_target_parent[1]
2085
target_parent_id = new_dirname_to_file_id[new_dirname]
2087
# TODO: We don't always need to do the lookup, because the
2088
# parent entry will be the same as the source entry.
2089
target_parent_entry = state._get_entry(target_index,
2090
path_utf8=new_dirname)
2091
if target_parent_entry == (None, None):
2092
raise AssertionError(
2093
"Could not find target parent in wt: %s\nparent of: %s"
2094
% (new_dirname, entry))
2095
target_parent_id = target_parent_entry[0][2]
2096
if target_parent_id == entry[0][2]:
2097
# This is the root, so the parent is None
2098
target_parent_id = None
2100
last_target_parent[0] = new_dirname
2101
last_target_parent[1] = target_parent_id
2103
source_exec = source_details[3]
2104
if (include_unchanged
2106
or source_parent_id != target_parent_id
2107
or old_basename != entry[0][1]
2108
or source_exec != target_exec
2110
if old_path is None:
2111
old_path = path = pathjoin(old_dirname, old_basename)
2112
old_path_u = utf8_decode(old_path)[0]
2115
old_path_u = utf8_decode(old_path)[0]
2116
if old_path == path:
2119
path_u = utf8_decode(path)[0]
2120
source_kind = _minikind_to_kind[source_minikind]
2121
return (entry[0][2],
2122
(old_path_u, path_u),
2125
(source_parent_id, target_parent_id),
2126
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2127
(source_kind, target_kind),
2128
(source_exec, target_exec))
2130
return uninteresting
2131
elif source_minikind in 'a' and target_minikind in 'fdlt':
2132
# looks like a new file
2133
if path_info is not None:
2134
path = pathjoin(entry[0][0], entry[0][1])
2135
# parent id is the entry for the path in the target tree
2136
# TODO: these are the same for an entire directory: cache em.
2137
parent_id = state._get_entry(target_index,
2138
path_utf8=entry[0][0])[0][2]
2139
if parent_id == entry[0][2]:
2141
if use_filesystem_for_exec:
2142
# We need S_ISREG here, because we aren't sure if this
2145
stat.S_ISREG(path_info[3].st_mode)
2146
and stat.S_IEXEC & path_info[3].st_mode)
2148
target_exec = target_details[3]
2149
return (entry[0][2],
2150
(None, utf8_decode(path)[0]),
2154
(None, utf8_decode(entry[0][1])[0]),
2155
(None, path_info[2]),
2156
(None, target_exec))
2158
# but its not on disk: we deliberately treat this as just
2159
# never-present. (Why ?! - RBC 20070224)
2161
elif source_minikind in 'fdlt' and target_minikind in 'a':
2162
# unversioned, possibly, or possibly not deleted: we dont care.
2163
# if its still on disk, *and* theres no other entry at this
2164
# path [we dont know this in this routine at the moment -
2165
# perhaps we should change this - then it would be an unknown.
2166
old_path = pathjoin(entry[0][0], entry[0][1])
2167
# parent id is the entry for the path in the target tree
2168
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2169
if parent_id == entry[0][2]:
2171
return (entry[0][2],
2172
(utf8_decode(old_path)[0], None),
2176
(utf8_decode(entry[0][1])[0], None),
2177
(_minikind_to_kind[source_minikind], None),
2178
(source_details[3], None))
2179
elif source_minikind in 'fdlt' and target_minikind in 'r':
2180
# a rename; could be a true rename, or a rename inherited from
2181
# a renamed parent. TODO: handle this efficiently. Its not
2182
# common case to rename dirs though, so a correct but slow
2183
# implementation will do.
2184
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2185
search_specific_files.add(target_details[1])
2186
elif source_minikind in 'ra' and target_minikind in 'ra':
2187
# neither of the selected trees contain this file,
2188
# so skip over it. This is not currently directly tested, but
2189
# is indirectly via test_too_much.TestCommands.test_conflicts.
2192
raise AssertionError("don't know how to compare "
2193
"source_minikind=%r, target_minikind=%r"
2194
% (source_minikind, target_minikind))
2195
## import pdb;pdb.set_trace()
2198
while search_specific_files:
2199
# TODO: the pending list should be lexically sorted? the
2200
# interface doesn't require it.
2201
current_root = search_specific_files.pop()
2202
current_root_unicode = current_root.decode('utf8')
2203
searched_specific_files.add(current_root)
2204
# process the entries for this containing directory: the rest will be
2205
# found by their parents recursively.
2206
root_entries = _entries_for_path(current_root)
2207
root_abspath = self.target.abspath(current_root_unicode)
2209
root_stat = os.lstat(root_abspath)
2211
if e.errno == errno.ENOENT:
2212
# the path does not exist: let _process_entry know that.
2213
root_dir_info = None
2215
# some other random error: hand it up.
2218
root_dir_info = ('', current_root,
2219
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2221
if root_dir_info[2] == 'directory':
2222
if self.target._directory_is_tree_reference(
2223
current_root.decode('utf8')):
2224
root_dir_info = root_dir_info[:2] + \
2225
('tree-reference',) + root_dir_info[3:]
2227
if not root_entries and not root_dir_info:
2228
# this specified path is not present at all, skip it.
2230
path_handled = False
2231
for entry in root_entries:
2232
result = _process_entry(entry, root_dir_info)
2233
if result is not None:
2235
if result is not uninteresting:
2237
if want_unversioned and not path_handled and root_dir_info:
2238
new_executable = bool(
2239
stat.S_ISREG(root_dir_info[3].st_mode)
2240
and stat.S_IEXEC & root_dir_info[3].st_mode)
2242
(None, current_root_unicode),
2246
(None, splitpath(current_root_unicode)[-1]),
2247
(None, root_dir_info[2]),
2248
(None, new_executable)
2250
initial_key = (current_root, '', '')
2251
block_index, _ = state._find_block_index_from_key(initial_key)
2252
if block_index == 0:
2253
# we have processed the total root already, but because the
2254
# initial key matched it we should skip it here.
2256
if root_dir_info and root_dir_info[2] == 'tree-reference':
2257
current_dir_info = None
2259
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2261
current_dir_info = dir_iterator.next()
2263
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2264
# python 2.5 has e.errno == EINVAL,
2265
# and e.winerror == ERROR_DIRECTORY
2266
e_winerror = getattr(e, 'winerror', None)
2267
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2268
# there may be directories in the inventory even though
2269
# this path is not a file on disk: so mark it as end of
2271
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2272
current_dir_info = None
2273
elif (sys.platform == 'win32'
2274
and (e.errno in win_errors
2275
or e_winerror in win_errors)):
2276
current_dir_info = None
2280
if current_dir_info[0][0] == '':
2281
# remove .bzr from iteration
2282
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2283
if current_dir_info[1][bzr_index][0] != '.bzr':
2284
raise AssertionError()
2285
del current_dir_info[1][bzr_index]
2286
# walk until both the directory listing and the versioned metadata
2288
if (block_index < len(state._dirblocks) and
2289
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2290
current_block = state._dirblocks[block_index]
2292
current_block = None
2293
while (current_dir_info is not None or
2294
current_block is not None):
2295
if (current_dir_info and current_block
2296
and current_dir_info[0][0] != current_block[0]):
2297
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2298
# filesystem data refers to paths not covered by the dirblock.
2299
# this has two possibilities:
2300
# A) it is versioned but empty, so there is no block for it
2301
# B) it is not versioned.
2303
# if (A) then we need to recurse into it to check for
2304
# new unknown files or directories.
2305
# if (B) then we should ignore it, because we don't
2306
# recurse into unknown directories.
2308
while path_index < len(current_dir_info[1]):
2309
current_path_info = current_dir_info[1][path_index]
2310
if want_unversioned:
2311
if current_path_info[2] == 'directory':
2312
if self.target._directory_is_tree_reference(
2313
current_path_info[0].decode('utf8')):
2314
current_path_info = current_path_info[:2] + \
2315
('tree-reference',) + current_path_info[3:]
2316
new_executable = bool(
2317
stat.S_ISREG(current_path_info[3].st_mode)
2318
and stat.S_IEXEC & current_path_info[3].st_mode)
2320
(None, utf8_decode(current_path_info[0])[0]),
2324
(None, utf8_decode(current_path_info[1])[0]),
2325
(None, current_path_info[2]),
2326
(None, new_executable))
2327
# dont descend into this unversioned path if it is
2329
if current_path_info[2] in ('directory',
2331
del current_dir_info[1][path_index]
2335
# This dir info has been handled, go to the next
2337
current_dir_info = dir_iterator.next()
2338
except StopIteration:
2339
current_dir_info = None
2341
# We have a dirblock entry for this location, but there
2342
# is no filesystem path for this. This is most likely
2343
# because a directory was removed from the disk.
2344
# We don't have to report the missing directory,
2345
# because that should have already been handled, but we
2346
# need to handle all of the files that are contained
2348
for current_entry in current_block[1]:
2349
# entry referring to file not present on disk.
2350
# advance the entry only, after processing.
2351
result = _process_entry(current_entry, None)
2352
if result is not None:
2353
if result is not uninteresting:
2356
if (block_index < len(state._dirblocks) and
2357
osutils.is_inside(current_root,
2358
state._dirblocks[block_index][0])):
2359
current_block = state._dirblocks[block_index]
2361
current_block = None
2364
if current_block and entry_index < len(current_block[1]):
2365
current_entry = current_block[1][entry_index]
2367
current_entry = None
2368
advance_entry = True
2370
if current_dir_info and path_index < len(current_dir_info[1]):
2371
current_path_info = current_dir_info[1][path_index]
2372
if current_path_info[2] == 'directory':
2373
if self.target._directory_is_tree_reference(
2374
current_path_info[0].decode('utf8')):
2375
current_path_info = current_path_info[:2] + \
2376
('tree-reference',) + current_path_info[3:]
2378
current_path_info = None
2380
path_handled = False
2381
while (current_entry is not None or
2382
current_path_info is not None):
2383
if current_entry is None:
2384
# the check for path_handled when the path is adnvaced
2385
# will yield this path if needed.
2387
elif current_path_info is None:
2388
# no path is fine: the per entry code will handle it.
2389
result = _process_entry(current_entry, current_path_info)
2390
if result is not None:
2391
if result is not uninteresting:
2393
elif (current_entry[0][1] != current_path_info[1]
2394
or current_entry[1][target_index][0] in 'ar'):
2395
# The current path on disk doesn't match the dirblock
2396
# record. Either the dirblock is marked as absent, or
2397
# the file on disk is not present at all in the
2398
# dirblock. Either way, report about the dirblock
2399
# entry, and let other code handle the filesystem one.
2401
# Compare the basename for these files to determine
2403
if current_path_info[1] < current_entry[0][1]:
2404
# extra file on disk: pass for now, but only
2405
# increment the path, not the entry
2406
advance_entry = False
2408
# entry referring to file not present on disk.
2409
# advance the entry only, after processing.
2410
result = _process_entry(current_entry, None)
2411
if result is not None:
2412
if result is not uninteresting:
2414
advance_path = False
2416
result = _process_entry(current_entry, current_path_info)
2417
if result is not None:
2419
if result is not uninteresting:
2421
if advance_entry and current_entry is not None:
2423
if entry_index < len(current_block[1]):
2424
current_entry = current_block[1][entry_index]
2426
current_entry = None
2428
advance_entry = True # reset the advance flaga
2429
if advance_path and current_path_info is not None:
2430
if not path_handled:
2431
# unversioned in all regards
2432
if want_unversioned:
2433
new_executable = bool(
2434
stat.S_ISREG(current_path_info[3].st_mode)
2435
and stat.S_IEXEC & current_path_info[3].st_mode)
2437
(None, utf8_decode(current_path_info[0])[0]),
2441
(None, utf8_decode(current_path_info[1])[0]),
2442
(None, current_path_info[2]),
2443
(None, new_executable))
2444
# dont descend into this unversioned path if it is
2446
if current_path_info[2] in ('directory'):
2447
del current_dir_info[1][path_index]
2449
# dont descend the disk iterator into any tree
2451
if current_path_info[2] == 'tree-reference':
2452
del current_dir_info[1][path_index]
2455
if path_index < len(current_dir_info[1]):
2456
current_path_info = current_dir_info[1][path_index]
2457
if current_path_info[2] == 'directory':
2458
if self.target._directory_is_tree_reference(
2459
current_path_info[0].decode('utf8')):
2460
current_path_info = current_path_info[:2] + \
2461
('tree-reference',) + current_path_info[3:]
2463
current_path_info = None
2464
path_handled = False
2466
advance_path = True # reset the advance flagg.
2467
if current_block is not None:
2469
if (block_index < len(state._dirblocks) and
2470
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2471
current_block = state._dirblocks[block_index]
2473
current_block = None
2474
if current_dir_info is not None:
2476
current_dir_info = dir_iterator.next()
2477
except StopIteration:
2478
current_dir_info = None
2482
def is_compatible(source, target):
2483
# the target must be a dirstate working tree
2484
if not isinstance(target, WorkingTree4):
2486
# the source must be a revtreee or dirstate rev tree.
2487
if not isinstance(source,
2488
(revisiontree.RevisionTree, DirStateRevisionTree)):
2490
# the source revid must be in the target dirstate
2491
if not (source._revision_id == NULL_REVISION or
2492
source._revision_id in target.get_parent_ids()):
2493
# TODO: what about ghosts? it may well need to
2494
# check for them explicitly.
2498
InterTree.register_optimiser(InterDirStateTree)
2501
class Converter3to4(object):
2502
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2505
self.target_format = WorkingTreeFormat4()
2507
def convert(self, tree):
2508
# lock the control files not the tree, so that we dont get tree
2509
# on-unlock behaviours, and so that noone else diddles with the
2510
# tree during upgrade.
2511
tree._control_files.lock_write()
2513
tree.read_working_inventory()
2514
self.create_dirstate_data(tree)
2515
self.update_format(tree)
2516
self.remove_xml_files(tree)
2518
tree._control_files.unlock()
2520
def create_dirstate_data(self, tree):
2521
"""Create the dirstate based data for tree."""
2522
local_path = tree.bzrdir.get_workingtree_transport(None
2523
).local_abspath('dirstate')
2524
state = dirstate.DirState.from_tree(tree, local_path)
2528
def remove_xml_files(self, tree):
2529
"""Remove the oldformat 3 data."""
2530
transport = tree.bzrdir.get_workingtree_transport(None)
2531
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2532
'pending-merges', 'stat-cache']:
2534
transport.delete(path)
2535
except errors.NoSuchFile:
2536
# some files are optional - just deal.
2539
def update_format(self, tree):
2540
"""Change the format marker."""
2541
tree._transport.put_bytes('format',
2542
self.target_format.get_format_string(),
2543
mode=tree._control_files._file_mode)
added
removed
bzrlib/workingtree_4.py
