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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])
1089
parent_ids = [rev_id for rev_id, tree in parents_list]
1090
graph = self.branch.repository.get_graph()
1091
heads = graph.heads(parent_ids)
1092
accepted_revisions = set()
1094
# convert absent trees to the null tree, which we convert back to
1095
# missing on access.
1096
for rev_id, tree in parents_list:
1097
if len(accepted_revisions) > 0:
1098
# we always accept the first tree
1099
if rev_id in accepted_revisions or rev_id not in heads:
1100
# We have already included either this tree, or its
1101
# descendent, so we skip it.
1103
_mod_revision.check_not_reserved_id(rev_id)
1104
if tree is not None:
1105
real_trees.append((rev_id, tree))
1107
real_trees.append((rev_id,
1108
self.branch.repository.revision_tree(None)))
1109
ghosts.append(rev_id)
1110
accepted_revisions.add(rev_id)
1111
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1112
self._make_dirty(reset_inventory=False)
1114
def _set_root_id(self, file_id):
1115
"""See WorkingTree.set_root_id."""
1116
state = self.current_dirstate()
1117
state.set_path_id('', file_id)
1118
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1119
self._make_dirty(reset_inventory=True)
1121
def _sha_from_stat(self, path, stat_result):
1122
"""Get a sha digest from the tree's stat cache.
1124
The default implementation assumes no stat cache is present.
1126
:param path: The path.
1127
:param stat_result: The stat result being looked up.
1129
return self.current_dirstate().sha1_from_stat(path, stat_result)
1132
def supports_tree_reference(self):
1133
return self._repo_supports_tree_reference
1136
"""Unlock in format 4 trees needs to write the entire dirstate."""
1137
# do non-implementation specific cleanup
1140
if self._control_files._lock_count == 1:
1141
# eventually we should do signature checking during read locks for
1143
if self._control_files._lock_mode == 'w':
1146
if self._dirstate is not None:
1147
# This is a no-op if there are no modifications.
1148
self._dirstate.save()
1149
self._dirstate.unlock()
1150
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1151
# point. Instead, it could check if the header has been
1152
# modified when it is locked, and if not, it can hang on to
1153
# the data it has in memory.
1154
self._dirstate = None
1155
self._inventory = None
1156
# reverse order of locking.
1158
return self._control_files.unlock()
1160
self.branch.unlock()
1162
@needs_tree_write_lock
1163
def unversion(self, file_ids):
1164
"""Remove the file ids in file_ids from the current versioned set.
1166
When a file_id is unversioned, all of its children are automatically
1169
:param file_ids: The file ids to stop versioning.
1170
:raises: NoSuchId if any fileid is not currently versioned.
1174
state = self.current_dirstate()
1175
state._read_dirblocks_if_needed()
1176
ids_to_unversion = set(file_ids)
1177
paths_to_unversion = set()
1179
# check if the root is to be unversioned, if so, assert for now.
1180
# walk the state marking unversioned things as absent.
1181
# if there are any un-unversioned ids at the end, raise
1182
for key, details in state._dirblocks[0][1]:
1183
if (details[0][0] not in ('a', 'r') and # absent or relocated
1184
key[2] in ids_to_unversion):
1185
# I haven't written the code to unversion / yet - it should be
1187
raise errors.BzrError('Unversioning the / is not currently supported')
1189
while block_index < len(state._dirblocks):
1190
# process one directory at a time.
1191
block = state._dirblocks[block_index]
1192
# first check: is the path one to remove - it or its children
1193
delete_block = False
1194
for path in paths_to_unversion:
1195
if (block[0].startswith(path) and
1196
(len(block[0]) == len(path) or
1197
block[0][len(path)] == '/')):
1198
# this entire block should be deleted - its the block for a
1199
# path to unversion; or the child of one
1202
# TODO: trim paths_to_unversion as we pass by paths
1204
# this block is to be deleted: process it.
1205
# TODO: we can special case the no-parents case and
1206
# just forget the whole block.
1208
while entry_index < len(block[1]):
1209
# Mark this file id as having been removed
1210
entry = block[1][entry_index]
1211
ids_to_unversion.discard(entry[0][2])
1212
if (entry[1][0][0] in 'ar' # don't remove absent or renamed
1214
or not state._make_absent(entry)):
1216
# go to the next block. (At the moment we dont delete empty
1221
while entry_index < len(block[1]):
1222
entry = block[1][entry_index]
1223
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1224
# ^ some parent row.
1225
entry[0][2] not in ids_to_unversion):
1226
# ^ not an id to unversion
1229
if entry[1][0][0] == 'd':
1230
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1231
if not state._make_absent(entry):
1233
# we have unversioned this id
1234
ids_to_unversion.remove(entry[0][2])
1236
if ids_to_unversion:
1237
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1238
self._make_dirty(reset_inventory=False)
1239
# have to change the legacy inventory too.
1240
if self._inventory is not None:
1241
for file_id in file_ids:
1242
self._inventory.remove_recursive_id(file_id)
1244
@needs_tree_write_lock
1245
def rename_one(self, from_rel, to_rel, after=False):
1246
"""See WorkingTree.rename_one"""
1248
WorkingTree.rename_one(self, from_rel, to_rel, after)
1250
@needs_tree_write_lock
1251
def apply_inventory_delta(self, changes):
1252
"""See MutableTree.apply_inventory_delta"""
1253
state = self.current_dirstate()
1254
state.update_by_delta(changes)
1255
self._make_dirty(reset_inventory=True)
1257
def update_basis_by_delta(self, new_revid, delta):
1258
"""See MutableTree.update_basis_by_delta."""
1259
if self.last_revision() == new_revid:
1260
raise AssertionError()
1261
self.current_dirstate().update_basis_by_delta(delta, new_revid)
1264
def _validate(self):
1265
self._dirstate._validate()
1267
@needs_tree_write_lock
1268
def _write_inventory(self, inv):
1269
"""Write inventory as the current inventory."""
1271
raise AssertionError("attempting to write an inventory when the "
1272
"dirstate is dirty will lose pending changes")
1273
self.current_dirstate().set_state_from_inventory(inv)
1274
self._make_dirty(reset_inventory=False)
1275
if self._inventory is not None:
1276
self._inventory = inv
1280
class WorkingTreeFormat4(WorkingTreeFormat3):
1281
"""The first consolidated dirstate working tree format.
1284
- exists within a metadir controlling .bzr
1285
- includes an explicit version marker for the workingtree control
1286
files, separate from the BzrDir format
1287
- modifies the hash cache format
1288
- is new in bzr 0.15
1289
- uses a LockDir to guard access to it.
1292
upgrade_recommended = False
1294
def get_format_string(self):
1295
"""See WorkingTreeFormat.get_format_string()."""
1296
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1298
def get_format_description(self):
1299
"""See WorkingTreeFormat.get_format_description()."""
1300
return "Working tree format 4"
1302
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1303
accelerator_tree=None, hardlink=False):
1304
"""See WorkingTreeFormat.initialize().
1306
:param revision_id: allows creating a working tree at a different
1307
revision than the branch is at.
1308
:param accelerator_tree: A tree which can be used for retrieving file
1309
contents more quickly than the revision tree, i.e. a workingtree.
1310
The revision tree will be used for cases where accelerator_tree's
1311
content is different.
1312
:param hardlink: If true, hard-link files from accelerator_tree,
1315
These trees get an initial random root id, if their repository supports
1316
rich root data, TREE_ROOT otherwise.
1318
if not isinstance(a_bzrdir.transport, LocalTransport):
1319
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1320
transport = a_bzrdir.get_workingtree_transport(self)
1321
control_files = self._open_control_files(a_bzrdir)
1322
control_files.create_lock()
1323
control_files.lock_write()
1324
transport.put_bytes('format', self.get_format_string(),
1325
mode=a_bzrdir._get_file_mode())
1326
if from_branch is not None:
1327
branch = from_branch
1329
branch = a_bzrdir.open_branch()
1330
if revision_id is None:
1331
revision_id = branch.last_revision()
1332
local_path = transport.local_abspath('dirstate')
1333
# write out new dirstate (must exist when we create the tree)
1334
state = dirstate.DirState.initialize(local_path)
1337
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1341
_control_files=control_files)
1343
wt.lock_tree_write()
1345
if revision_id in (None, NULL_REVISION):
1346
if branch.repository.supports_rich_root():
1347
wt._set_root_id(generate_ids.gen_root_id())
1349
wt._set_root_id(ROOT_ID)
1352
# frequently, we will get here due to branching. The accelerator
1353
# tree will be the tree from the branch, so the desired basis
1354
# tree will often be a parent of the accelerator tree.
1355
if accelerator_tree is not None:
1357
basis = accelerator_tree.revision_tree(revision_id)
1358
except errors.NoSuchRevision:
1361
basis = branch.repository.revision_tree(revision_id)
1362
if revision_id == NULL_REVISION:
1365
parents_list = [(revision_id, basis)]
1368
wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
1370
# if the basis has a root id we have to use that; otherwise we
1371
# use a new random one
1372
basis_root_id = basis.get_root_id()
1373
if basis_root_id is not None:
1374
wt._set_root_id(basis_root_id)
1376
transform.build_tree(basis, wt, accelerator_tree,
1381
control_files.unlock()
1385
def _open(self, a_bzrdir, control_files):
1386
"""Open the tree itself.
1388
:param a_bzrdir: the dir for the tree.
1389
:param control_files: the control files for the tree.
1391
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1392
branch=a_bzrdir.open_branch(),
1395
_control_files=control_files)
1397
def __get_matchingbzrdir(self):
1398
# please test against something that will let us do tree references
1399
return bzrdir.format_registry.make_bzrdir(
1400
'dirstate-with-subtree')
1402
_matchingbzrdir = property(__get_matchingbzrdir)
1405
class DirStateRevisionTree(Tree):
1406
"""A revision tree pulling the inventory from a dirstate."""
1408
def __init__(self, dirstate, revision_id, repository):
1409
self._dirstate = dirstate
1410
self._revision_id = revision_id
1411
self._repository = repository
1412
self._inventory = None
1414
self._dirstate_locked = False
1417
return "<%s of %s in %s>" % \
1418
(self.__class__.__name__, self._revision_id, self._dirstate)
1420
def annotate_iter(self, file_id,
1421
default_revision=_mod_revision.CURRENT_REVISION):
1422
"""See Tree.annotate_iter"""
1423
w = self._get_weave(file_id)
1424
return w.annotate(self.inventory[file_id].revision)
1426
def _get_ancestors(self, default_revision):
1427
return set(self._repository.get_ancestry(self._revision_id,
1429
def _comparison_data(self, entry, path):
1430
"""See Tree._comparison_data."""
1432
return None, False, None
1433
# trust the entry as RevisionTree does, but this may not be
1434
# sensible: the entry might not have come from us?
1435
return entry.kind, entry.executable, None
1437
def _file_size(self, entry, stat_value):
1438
return entry.text_size
1440
def filter_unversioned_files(self, paths):
1441
"""Filter out paths that are not versioned.
1443
:return: set of paths.
1445
pred = self.has_filename
1446
return set((p for p in paths if not pred(p)))
1448
def get_root_id(self):
1449
return self.path2id('')
1451
def id2path(self, file_id):
1452
"Convert a file-id to a path."
1453
entry = self._get_entry(file_id=file_id)
1454
if entry == (None, None):
1455
raise errors.NoSuchId(tree=self, file_id=file_id)
1456
path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1457
return path_utf8.decode('utf8')
1459
def _get_parent_index(self):
1460
"""Return the index in the dirstate referenced by this tree."""
1461
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1463
def _get_entry(self, file_id=None, path=None):
1464
"""Get the dirstate row for file_id or path.
1466
If either file_id or path is supplied, it is used as the key to lookup.
1467
If both are supplied, the fastest lookup is used, and an error is
1468
raised if they do not both point at the same row.
1470
:param file_id: An optional unicode file_id to be looked up.
1471
:param path: An optional unicode path to be looked up.
1472
:return: The dirstate row tuple for path/file_id, or (None, None)
1474
if file_id is None and path is None:
1475
raise errors.BzrError('must supply file_id or path')
1476
if path is not None:
1477
path = path.encode('utf8')
1478
parent_index = self._get_parent_index()
1479
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1481
def _generate_inventory(self):
1482
"""Create and set self.inventory from the dirstate object.
1484
(So this is only called the first time the inventory is requested for
1485
this tree; it then remains in memory until it's out of date.)
1487
This is relatively expensive: we have to walk the entire dirstate.
1489
if not self._locked:
1490
raise AssertionError(
1491
'cannot generate inventory of an unlocked '
1492
'dirstate revision tree')
1493
# separate call for profiling - makes it clear where the costs are.
1494
self._dirstate._read_dirblocks_if_needed()
1495
if self._revision_id not in self._dirstate.get_parent_ids():
1496
raise AssertionError(
1497
'parent %s has disappeared from %s' % (
1498
self._revision_id, self._dirstate.get_parent_ids()))
1499
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1500
# This is identical now to the WorkingTree _generate_inventory except
1501
# for the tree index use.
1502
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1503
current_id = root_key[2]
1504
if current_entry[parent_index][0] != 'd':
1505
raise AssertionError()
1506
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1507
inv.root.revision = current_entry[parent_index][4]
1508
# Turn some things into local variables
1509
minikind_to_kind = dirstate.DirState._minikind_to_kind
1510
factory = entry_factory
1511
utf8_decode = cache_utf8._utf8_decode
1512
inv_byid = inv._byid
1513
# we could do this straight out of the dirstate; it might be fast
1514
# and should be profiled - RBC 20070216
1515
parent_ies = {'' : inv.root}
1516
for block in self._dirstate._dirblocks[1:]: #skip root
1519
parent_ie = parent_ies[dirname]
1521
# all the paths in this block are not versioned in this tree
1523
for key, entry in block[1]:
1524
minikind, fingerprint, size, executable, revid = entry[parent_index]
1525
if minikind in ('a', 'r'): # absent, relocated
1529
name_unicode = utf8_decode(name)[0]
1531
kind = minikind_to_kind[minikind]
1532
inv_entry = factory[kind](file_id, name_unicode,
1534
inv_entry.revision = revid
1536
inv_entry.executable = executable
1537
inv_entry.text_size = size
1538
inv_entry.text_sha1 = fingerprint
1539
elif kind == 'directory':
1540
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1541
elif kind == 'symlink':
1542
inv_entry.executable = False
1543
inv_entry.text_size = None
1544
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1545
elif kind == 'tree-reference':
1546
inv_entry.reference_revision = fingerprint or None
1548
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1550
# These checks cost us around 40ms on a 55k entry tree
1551
if file_id in inv_byid:
1552
raise AssertionError('file_id %s already in'
1553
' inventory as %s' % (file_id, inv_byid[file_id]))
1554
if name_unicode in parent_ie.children:
1555
raise AssertionError('name %r already in parent'
1557
inv_byid[file_id] = inv_entry
1558
parent_ie.children[name_unicode] = inv_entry
1559
self._inventory = inv
1561
def get_file_mtime(self, file_id, path=None):
1562
"""Return the modification time for this record.
1564
We return the timestamp of the last-changed revision.
1566
# Make sure the file exists
1567
entry = self._get_entry(file_id, path=path)
1568
if entry == (None, None): # do we raise?
1570
parent_index = self._get_parent_index()
1571
last_changed_revision = entry[1][parent_index][4]
1572
return self._repository.get_revision(last_changed_revision).timestamp
1574
def get_file_sha1(self, file_id, path=None, stat_value=None):
1575
entry = self._get_entry(file_id=file_id, path=path)
1576
parent_index = self._get_parent_index()
1577
parent_details = entry[1][parent_index]
1578
if parent_details[0] == 'f':
1579
return parent_details[1]
1582
def _get_weave(self, file_id):
1583
return self._repository.weave_store.get_weave(file_id,
1584
self._repository.get_transaction())
1586
def get_file(self, file_id, path=None):
1587
return StringIO(self.get_file_text(file_id))
1589
def get_file_lines(self, file_id):
1590
entry = self._get_entry(file_id=file_id)[1]
1592
raise errors.NoSuchId(tree=self, file_id=file_id)
1593
return self._get_weave(file_id).get_lines(entry[1][4])
1595
def get_file_size(self, file_id):
1596
"""See Tree.get_file_size"""
1597
return self.inventory[file_id].text_size
1599
def get_file_text(self, file_id):
1600
return ''.join(self.get_file_lines(file_id))
1602
def get_reference_revision(self, file_id, path=None):
1603
return self.inventory[file_id].reference_revision
1605
def iter_files_bytes(self, desired_files):
1606
"""See Tree.iter_files_bytes.
1608
This version is implemented on top of Repository.iter_files_bytes"""
1609
parent_index = self._get_parent_index()
1610
repo_desired_files = []
1611
for file_id, identifier in desired_files:
1612
entry = self._get_entry(file_id)
1613
if entry == (None, None):
1614
raise errors.NoSuchId(self, file_id)
1615
repo_desired_files.append((file_id, entry[1][parent_index][4],
1617
return self._repository.iter_files_bytes(repo_desired_files)
1619
def get_symlink_target(self, file_id):
1620
entry = self._get_entry(file_id=file_id)
1621
parent_index = self._get_parent_index()
1622
if entry[1][parent_index][0] != 'l':
1625
# At present, none of the tree implementations supports non-ascii
1626
# symlink targets. So we will just assume that the dirstate path is
1628
return entry[1][parent_index][1]
1630
def get_revision_id(self):
1631
"""Return the revision id for this tree."""
1632
return self._revision_id
1634
def _get_inventory(self):
1635
if self._inventory is not None:
1636
return self._inventory
1637
self._must_be_locked()
1638
self._generate_inventory()
1639
return self._inventory
1641
inventory = property(_get_inventory,
1642
doc="Inventory of this Tree")
1644
def get_parent_ids(self):
1645
"""The parents of a tree in the dirstate are not cached."""
1646
return self._repository.get_revision(self._revision_id).parent_ids
1648
def has_filename(self, filename):
1649
return bool(self.path2id(filename))
1651
def kind(self, file_id):
1652
entry = self._get_entry(file_id=file_id)[1]
1654
raise errors.NoSuchId(tree=self, file_id=file_id)
1655
return dirstate.DirState._minikind_to_kind[entry[1][0]]
1657
def stored_kind(self, file_id):
1658
"""See Tree.stored_kind"""
1659
return self.kind(file_id)
1661
def path_content_summary(self, path):
1662
"""See Tree.path_content_summary."""
1663
id = self.inventory.path2id(path)
1665
return ('missing', None, None, None)
1666
entry = self._inventory[id]
1669
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1670
elif kind == 'symlink':
1671
return (kind, None, None, entry.symlink_target)
1673
return (kind, None, None, None)
1675
def is_executable(self, file_id, path=None):
1676
ie = self.inventory[file_id]
1677
if ie.kind != "file":
1679
return ie.executable
1681
def list_files(self, include_root=False):
1682
# We use a standard implementation, because DirStateRevisionTree is
1683
# dealing with one of the parents of the current state
1684
inv = self._get_inventory()
1685
entries = inv.iter_entries()
1686
if self.inventory.root is not None and not include_root:
1688
for path, entry in entries:
1689
yield path, 'V', entry.kind, entry.file_id, entry
1691
def lock_read(self):
1692
"""Lock the tree for a set of operations."""
1693
if not self._locked:
1694
self._repository.lock_read()
1695
if self._dirstate._lock_token is None:
1696
self._dirstate.lock_read()
1697
self._dirstate_locked = True
1700
def _must_be_locked(self):
1701
if not self._locked:
1702
raise errors.ObjectNotLocked(self)
1705
def path2id(self, path):
1706
"""Return the id for path in this tree."""
1707
# lookup by path: faster than splitting and walking the ivnentory.
1708
entry = self._get_entry(path=path)
1709
if entry == (None, None):
1714
"""Unlock, freeing any cache memory used during the lock."""
1715
# outside of a lock, the inventory is suspect: release it.
1717
if not self._locked:
1718
self._inventory = None
1720
if self._dirstate_locked:
1721
self._dirstate.unlock()
1722
self._dirstate_locked = False
1723
self._repository.unlock()
1725
def walkdirs(self, prefix=""):
1726
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1727
# implementation based on an inventory.
1728
# This should be cleaned up to use the much faster Dirstate code
1729
# So for now, we just build up the parent inventory, and extract
1730
# it the same way RevisionTree does.
1731
_directory = 'directory'
1732
inv = self._get_inventory()
1733
top_id = inv.path2id(prefix)
1737
pending = [(prefix, top_id)]
1740
relpath, file_id = pending.pop()
1741
# 0 - relpath, 1- file-id
1743
relroot = relpath + '/'
1746
# FIXME: stash the node in pending
1747
entry = inv[file_id]
1748
for name, child in entry.sorted_children():
1749
toppath = relroot + name
1750
dirblock.append((toppath, name, child.kind, None,
1751
child.file_id, child.kind
1753
yield (relpath, entry.file_id), dirblock
1754
# push the user specified dirs from dirblock
1755
for dir in reversed(dirblock):
1756
if dir[2] == _directory:
1757
pending.append((dir[0], dir[4]))
1760
class InterDirStateTree(InterTree):
1761
"""Fast path optimiser for changes_from with dirstate trees.
1763
This is used only when both trees are in the dirstate working file, and
1764
the source is any parent within the dirstate, and the destination is
1765
the current working tree of the same dirstate.
1767
# this could be generalized to allow comparisons between any trees in the
1768
# dirstate, and possibly between trees stored in different dirstates.
1770
def __init__(self, source, target):
1771
super(InterDirStateTree, self).__init__(source, target)
1772
if not InterDirStateTree.is_compatible(source, target):
1773
raise Exception, "invalid source %r and target %r" % (source, target)
1776
def make_source_parent_tree(source, target):
1777
"""Change the source tree into a parent of the target."""
1778
revid = source.commit('record tree')
1779
target.branch.repository.fetch(source.branch.repository, revid)
1780
target.set_parent_ids([revid])
1781
return target.basis_tree(), target
1783
_matching_from_tree_format = WorkingTreeFormat4()
1784
_matching_to_tree_format = WorkingTreeFormat4()
1785
_test_mutable_trees_to_test_trees = make_source_parent_tree
1787
def iter_changes(self, include_unchanged=False,
1788
specific_files=None, pb=None, extra_trees=[],
1789
require_versioned=True, want_unversioned=False):
1790
"""Return the changes from source to target.
1792
:return: An iterator that yields tuples. See InterTree.iter_changes
1794
:param specific_files: An optional list of file paths to restrict the
1795
comparison to. When mapping filenames to ids, all matches in all
1796
trees (including optional extra_trees) are used, and all children of
1797
matched directories are included.
1798
:param include_unchanged: An optional boolean requesting the inclusion of
1799
unchanged entries in the result.
1800
:param extra_trees: An optional list of additional trees to use when
1801
mapping the contents of specific_files (paths) to file_ids.
1802
:param require_versioned: If True, all files in specific_files must be
1803
versioned in one of source, target, extra_trees or
1804
PathsNotVersionedError is raised.
1805
:param want_unversioned: Should unversioned files be returned in the
1806
output. An unversioned file is defined as one with (False, False)
1807
for the versioned pair.
1809
utf8_decode = cache_utf8._utf8_decode
1810
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1811
cmp_by_dirs = dirstate.cmp_by_dirs
1812
# NB: show_status depends on being able to pass in non-versioned files
1813
# and report them as unknown
1814
# TODO: handle extra trees in the dirstate.
1815
if (extra_trees or specific_files == []):
1816
# we can't fast-path these cases (yet)
1817
for f in super(InterDirStateTree, self).iter_changes(
1818
include_unchanged, specific_files, pb, extra_trees,
1819
require_versioned, want_unversioned=want_unversioned):
1822
parent_ids = self.target.get_parent_ids()
1823
if not (self.source._revision_id in parent_ids
1824
or self.source._revision_id == NULL_REVISION):
1825
raise AssertionError(
1826
"revision {%s} is not stored in {%s}, but %s "
1827
"can only be used for trees stored in the dirstate"
1828
% (self.source._revision_id, self.target, self.iter_changes))
1830
if self.source._revision_id == NULL_REVISION:
1832
indices = (target_index,)
1834
if not (self.source._revision_id in parent_ids):
1835
raise AssertionError(
1836
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1837
self.source._revision_id, parent_ids))
1838
source_index = 1 + parent_ids.index(self.source._revision_id)
1839
indices = (source_index, target_index)
1840
# -- make all specific_files utf8 --
1842
specific_files_utf8 = set()
1843
for path in specific_files:
1844
specific_files_utf8.add(path.encode('utf8'))
1845
specific_files = specific_files_utf8
1847
specific_files = set([''])
1848
# -- specific_files is now a utf8 path set --
1849
# -- get the state object and prepare it.
1850
state = self.target.current_dirstate()
1851
state._read_dirblocks_if_needed()
1852
def _entries_for_path(path):
1853
"""Return a list with all the entries that match path for all ids.
1855
dirname, basename = os.path.split(path)
1856
key = (dirname, basename, '')
1857
block_index, present = state._find_block_index_from_key(key)
1859
# the block which should contain path is absent.
1862
block = state._dirblocks[block_index][1]
1863
entry_index, _ = state._find_entry_index(key, block)
1864
# we may need to look at multiple entries at this path: walk while the specific_files match.
1865
while (entry_index < len(block) and
1866
block[entry_index][0][0:2] == key[0:2]):
1867
result.append(block[entry_index])
1870
if require_versioned:
1871
# -- check all supplied paths are versioned in a search tree. --
1872
all_versioned = True
1873
for path in specific_files:
1874
path_entries = _entries_for_path(path)
1875
if not path_entries:
1876
# this specified path is not present at all: error
1877
all_versioned = False
1879
found_versioned = False
1880
# for each id at this path
1881
for entry in path_entries:
1883
for index in indices:
1884
if entry[1][index][0] != 'a': # absent
1885
found_versioned = True
1886
# all good: found a versioned cell
1888
if not found_versioned:
1889
# none of the indexes was not 'absent' at all ids for this
1891
all_versioned = False
1893
if not all_versioned:
1894
raise errors.PathsNotVersionedError(specific_files)
1895
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1896
search_specific_files = set()
1897
for path in specific_files:
1898
other_specific_files = specific_files.difference(set([path]))
1899
if not osutils.is_inside_any(other_specific_files, path):
1900
# this is a top level path, we must check it.
1901
search_specific_files.add(path)
1903
# compare source_index and target_index at or under each element of search_specific_files.
1904
# follow the following comparison table. Note that we only want to do diff operations when
1905
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1909
# Source | Target | disk | action
1910
# r | fdlt | | add source to search, add id path move and perform
1911
# | | | diff check on source-target
1912
# r | fdlt | a | dangling file that was present in the basis.
1914
# r | a | | add source to search
1916
# r | r | | this path is present in a non-examined tree, skip.
1917
# r | r | a | this path is present in a non-examined tree, skip.
1918
# a | fdlt | | add new id
1919
# a | fdlt | a | dangling locally added file, skip
1920
# a | a | | not present in either tree, skip
1921
# a | a | a | not present in any tree, skip
1922
# a | r | | not present in either tree at this path, skip as it
1923
# | | | may not be selected by the users list of paths.
1924
# a | r | a | not present in either tree at this path, skip as it
1925
# | | | may not be selected by the users list of paths.
1926
# fdlt | fdlt | | content in both: diff them
1927
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1928
# fdlt | a | | unversioned: output deleted id for now
1929
# fdlt | a | a | unversioned and deleted: output deleted id
1930
# fdlt | r | | relocated in this tree, so add target to search.
1931
# | | | Dont diff, we will see an r,fd; pair when we reach
1932
# | | | this id at the other path.
1933
# fdlt | r | a | relocated in this tree, so add target to search.
1934
# | | | Dont diff, we will see an r,fd; pair when we reach
1935
# | | | this id at the other path.
1937
# for all search_indexs in each path at or under each element of
1938
# search_specific_files, if the detail is relocated: add the id, and add the
1939
# relocated path as one to search if its not searched already. If the
1940
# detail is not relocated, add the id.
1941
searched_specific_files = set()
1942
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1943
# Using a list so that we can access the values and change them in
1944
# nested scope. Each one is [path, file_id, entry]
1945
last_source_parent = [None, None]
1946
last_target_parent = [None, None]
1948
use_filesystem_for_exec = (sys.platform != 'win32')
1950
# Just a sentry, so that _process_entry can say that this
1951
# record is handled, but isn't interesting to process (unchanged)
1952
uninteresting = object()
1955
old_dirname_to_file_id = {}
1956
new_dirname_to_file_id = {}
1957
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1958
# keeping a cache of directories that we have seen.
1960
def _process_entry(entry, path_info):
1961
"""Compare an entry and real disk to generate delta information.
1963
:param path_info: top_relpath, basename, kind, lstat, abspath for
1964
the path of entry. If None, then the path is considered absent.
1965
(Perhaps we should pass in a concrete entry for this ?)
1966
Basename is returned as a utf8 string because we expect this
1967
tuple will be ignored, and don't want to take the time to
1969
:return: None if these don't match
1970
A tuple of information about the change, or
1971
the object 'uninteresting' if these match, but are
1972
basically identical.
1974
if source_index is None:
1975
source_details = NULL_PARENT_DETAILS
1977
source_details = entry[1][source_index]
1978
target_details = entry[1][target_index]
1979
target_minikind = target_details[0]
1980
if path_info is not None and target_minikind in 'fdlt':
1981
if not (target_index == 0):
1982
raise AssertionError()
1983
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1984
stat_value=path_info[3])
1985
# The entry may have been modified by update_entry
1986
target_details = entry[1][target_index]
1987
target_minikind = target_details[0]
1990
file_id = entry[0][2]
1991
source_minikind = source_details[0]
1992
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1993
# claimed content in both: diff
1994
# r | fdlt | | add source to search, add id path move and perform
1995
# | | | diff check on source-target
1996
# r | fdlt | a | dangling file that was present in the basis.
1998
if source_minikind in 'r':
1999
# add the source to the search path to find any children it
2000
# has. TODO ? : only add if it is a container ?
2001
if not osutils.is_inside_any(searched_specific_files,
2003
search_specific_files.add(source_details[1])
2004
# generate the old path; this is needed for stating later
2006
old_path = source_details[1]
2007
old_dirname, old_basename = os.path.split(old_path)
2008
path = pathjoin(entry[0][0], entry[0][1])
2009
old_entry = state._get_entry(source_index,
2011
# update the source details variable to be the real
2013
if old_entry == (None, None):
2014
raise errors.CorruptDirstate(state._filename,
2015
"entry '%s/%s' is considered renamed from %r"
2016
" but source does not exist\n"
2017
"entry: %s" % (entry[0][0], entry[0][1], old_path, entry))
2018
source_details = old_entry[1][source_index]
2019
source_minikind = source_details[0]
2021
old_dirname = entry[0][0]
2022
old_basename = entry[0][1]
2023
old_path = path = None
2024
if path_info is None:
2025
# the file is missing on disk, show as removed.
2026
content_change = True
2030
# source and target are both versioned and disk file is present.
2031
target_kind = path_info[2]
2032
if target_kind == 'directory':
2034
old_path = path = pathjoin(old_dirname, old_basename)
2035
new_dirname_to_file_id[path] = file_id
2036
if source_minikind != 'd':
2037
content_change = True
2039
# directories have no fingerprint
2040
content_change = False
2042
elif target_kind == 'file':
2043
if source_minikind != 'f':
2044
content_change = True
2046
# We could check the size, but we already have the
2048
content_change = (link_or_sha1 != source_details[1])
2049
# Target details is updated at update_entry time
2050
if use_filesystem_for_exec:
2051
# We don't need S_ISREG here, because we are sure
2052
# we are dealing with a file.
2053
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
2055
target_exec = target_details[3]
2056
elif target_kind == 'symlink':
2057
if source_minikind != 'l':
2058
content_change = True
2060
content_change = (link_or_sha1 != source_details[1])
2062
elif target_kind == 'tree-reference':
2063
if source_minikind != 't':
2064
content_change = True
2066
content_change = False
2069
raise Exception, "unknown kind %s" % path_info[2]
2070
if source_minikind == 'd':
2072
old_path = path = pathjoin(old_dirname, old_basename)
2073
old_dirname_to_file_id[old_path] = file_id
2074
# parent id is the entry for the path in the target tree
2075
if old_dirname == last_source_parent[0]:
2076
source_parent_id = last_source_parent[1]
2079
source_parent_id = old_dirname_to_file_id[old_dirname]
2081
source_parent_entry = state._get_entry(source_index,
2082
path_utf8=old_dirname)
2083
source_parent_id = source_parent_entry[0][2]
2084
if source_parent_id == entry[0][2]:
2085
# This is the root, so the parent is None
2086
source_parent_id = None
2088
last_source_parent[0] = old_dirname
2089
last_source_parent[1] = source_parent_id
2090
new_dirname = entry[0][0]
2091
if new_dirname == last_target_parent[0]:
2092
target_parent_id = last_target_parent[1]
2095
target_parent_id = new_dirname_to_file_id[new_dirname]
2097
# TODO: We don't always need to do the lookup, because the
2098
# parent entry will be the same as the source entry.
2099
target_parent_entry = state._get_entry(target_index,
2100
path_utf8=new_dirname)
2101
if target_parent_entry == (None, None):
2102
raise AssertionError(
2103
"Could not find target parent in wt: %s\nparent of: %s"
2104
% (new_dirname, entry))
2105
target_parent_id = target_parent_entry[0][2]
2106
if target_parent_id == entry[0][2]:
2107
# This is the root, so the parent is None
2108
target_parent_id = None
2110
last_target_parent[0] = new_dirname
2111
last_target_parent[1] = target_parent_id
2113
source_exec = source_details[3]
2114
if (include_unchanged
2116
or source_parent_id != target_parent_id
2117
or old_basename != entry[0][1]
2118
or source_exec != target_exec
2120
if old_path is None:
2121
old_path = path = pathjoin(old_dirname, old_basename)
2122
old_path_u = utf8_decode(old_path)[0]
2125
old_path_u = utf8_decode(old_path)[0]
2126
if old_path == path:
2129
path_u = utf8_decode(path)[0]
2130
source_kind = _minikind_to_kind[source_minikind]
2131
return (entry[0][2],
2132
(old_path_u, path_u),
2135
(source_parent_id, target_parent_id),
2136
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2137
(source_kind, target_kind),
2138
(source_exec, target_exec))
2140
return uninteresting
2141
elif source_minikind in 'a' and target_minikind in 'fdlt':
2142
# looks like a new file
2143
if path_info is not None:
2144
path = pathjoin(entry[0][0], entry[0][1])
2145
# parent id is the entry for the path in the target tree
2146
# TODO: these are the same for an entire directory: cache em.
2147
parent_id = state._get_entry(target_index,
2148
path_utf8=entry[0][0])[0][2]
2149
if parent_id == entry[0][2]:
2151
if use_filesystem_for_exec:
2152
# We need S_ISREG here, because we aren't sure if this
2155
stat.S_ISREG(path_info[3].st_mode)
2156
and stat.S_IEXEC & path_info[3].st_mode)
2158
target_exec = target_details[3]
2159
return (entry[0][2],
2160
(None, utf8_decode(path)[0]),
2164
(None, utf8_decode(entry[0][1])[0]),
2165
(None, path_info[2]),
2166
(None, target_exec))
2168
# but its not on disk: we deliberately treat this as just
2169
# never-present. (Why ?! - RBC 20070224)
2171
elif source_minikind in 'fdlt' and target_minikind in 'a':
2172
# unversioned, possibly, or possibly not deleted: we dont care.
2173
# if its still on disk, *and* theres no other entry at this
2174
# path [we dont know this in this routine at the moment -
2175
# perhaps we should change this - then it would be an unknown.
2176
old_path = pathjoin(entry[0][0], entry[0][1])
2177
# parent id is the entry for the path in the target tree
2178
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2179
if parent_id == entry[0][2]:
2181
return (entry[0][2],
2182
(utf8_decode(old_path)[0], None),
2186
(utf8_decode(entry[0][1])[0], None),
2187
(_minikind_to_kind[source_minikind], None),
2188
(source_details[3], None))
2189
elif source_minikind in 'fdlt' and target_minikind in 'r':
2190
# a rename; could be a true rename, or a rename inherited from
2191
# a renamed parent. TODO: handle this efficiently. Its not
2192
# common case to rename dirs though, so a correct but slow
2193
# implementation will do.
2194
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2195
search_specific_files.add(target_details[1])
2196
elif source_minikind in 'ra' and target_minikind in 'ra':
2197
# neither of the selected trees contain this file,
2198
# so skip over it. This is not currently directly tested, but
2199
# is indirectly via test_too_much.TestCommands.test_conflicts.
2202
raise AssertionError("don't know how to compare "
2203
"source_minikind=%r, target_minikind=%r"
2204
% (source_minikind, target_minikind))
2205
## import pdb;pdb.set_trace()
2208
while search_specific_files:
2209
# TODO: the pending list should be lexically sorted? the
2210
# interface doesn't require it.
2211
current_root = search_specific_files.pop()
2212
current_root_unicode = current_root.decode('utf8')
2213
searched_specific_files.add(current_root)
2214
# process the entries for this containing directory: the rest will be
2215
# found by their parents recursively.
2216
root_entries = _entries_for_path(current_root)
2217
root_abspath = self.target.abspath(current_root_unicode)
2219
root_stat = os.lstat(root_abspath)
2221
if e.errno == errno.ENOENT:
2222
# the path does not exist: let _process_entry know that.
2223
root_dir_info = None
2225
# some other random error: hand it up.
2228
root_dir_info = ('', current_root,
2229
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2231
if root_dir_info[2] == 'directory':
2232
if self.target._directory_is_tree_reference(
2233
current_root.decode('utf8')):
2234
root_dir_info = root_dir_info[:2] + \
2235
('tree-reference',) + root_dir_info[3:]
2237
if not root_entries and not root_dir_info:
2238
# this specified path is not present at all, skip it.
2240
path_handled = False
2241
for entry in root_entries:
2242
result = _process_entry(entry, root_dir_info)
2243
if result is not None:
2245
if result is not uninteresting:
2247
if want_unversioned and not path_handled and root_dir_info:
2248
new_executable = bool(
2249
stat.S_ISREG(root_dir_info[3].st_mode)
2250
and stat.S_IEXEC & root_dir_info[3].st_mode)
2252
(None, current_root_unicode),
2256
(None, splitpath(current_root_unicode)[-1]),
2257
(None, root_dir_info[2]),
2258
(None, new_executable)
2260
initial_key = (current_root, '', '')
2261
block_index, _ = state._find_block_index_from_key(initial_key)
2262
if block_index == 0:
2263
# we have processed the total root already, but because the
2264
# initial key matched it we should skip it here.
2266
if root_dir_info and root_dir_info[2] == 'tree-reference':
2267
current_dir_info = None
2269
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2271
current_dir_info = dir_iterator.next()
2273
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2274
# python 2.5 has e.errno == EINVAL,
2275
# and e.winerror == ERROR_DIRECTORY
2276
e_winerror = getattr(e, 'winerror', None)
2277
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2278
# there may be directories in the inventory even though
2279
# this path is not a file on disk: so mark it as end of
2281
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2282
current_dir_info = None
2283
elif (sys.platform == 'win32'
2284
and (e.errno in win_errors
2285
or e_winerror in win_errors)):
2286
current_dir_info = None
2290
if current_dir_info[0][0] == '':
2291
# remove .bzr from iteration
2292
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2293
if current_dir_info[1][bzr_index][0] != '.bzr':
2294
raise AssertionError()
2295
del current_dir_info[1][bzr_index]
2296
# walk until both the directory listing and the versioned metadata
2298
if (block_index < len(state._dirblocks) and
2299
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2300
current_block = state._dirblocks[block_index]
2302
current_block = None
2303
while (current_dir_info is not None or
2304
current_block is not None):
2305
if (current_dir_info and current_block
2306
and current_dir_info[0][0] != current_block[0]):
2307
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2308
# filesystem data refers to paths not covered by the dirblock.
2309
# this has two possibilities:
2310
# A) it is versioned but empty, so there is no block for it
2311
# B) it is not versioned.
2313
# if (A) then we need to recurse into it to check for
2314
# new unknown files or directories.
2315
# if (B) then we should ignore it, because we don't
2316
# recurse into unknown directories.
2318
while path_index < len(current_dir_info[1]):
2319
current_path_info = current_dir_info[1][path_index]
2320
if want_unversioned:
2321
if current_path_info[2] == 'directory':
2322
if self.target._directory_is_tree_reference(
2323
current_path_info[0].decode('utf8')):
2324
current_path_info = current_path_info[:2] + \
2325
('tree-reference',) + current_path_info[3:]
2326
new_executable = bool(
2327
stat.S_ISREG(current_path_info[3].st_mode)
2328
and stat.S_IEXEC & current_path_info[3].st_mode)
2330
(None, utf8_decode(current_path_info[0])[0]),
2334
(None, utf8_decode(current_path_info[1])[0]),
2335
(None, current_path_info[2]),
2336
(None, new_executable))
2337
# dont descend into this unversioned path if it is
2339
if current_path_info[2] in ('directory',
2341
del current_dir_info[1][path_index]
2345
# This dir info has been handled, go to the next
2347
current_dir_info = dir_iterator.next()
2348
except StopIteration:
2349
current_dir_info = None
2351
# We have a dirblock entry for this location, but there
2352
# is no filesystem path for this. This is most likely
2353
# because a directory was removed from the disk.
2354
# We don't have to report the missing directory,
2355
# because that should have already been handled, but we
2356
# need to handle all of the files that are contained
2358
for current_entry in current_block[1]:
2359
# entry referring to file not present on disk.
2360
# advance the entry only, after processing.
2361
result = _process_entry(current_entry, None)
2362
if result is not None:
2363
if result is not uninteresting:
2366
if (block_index < len(state._dirblocks) and
2367
osutils.is_inside(current_root,
2368
state._dirblocks[block_index][0])):
2369
current_block = state._dirblocks[block_index]
2371
current_block = None
2374
if current_block and entry_index < len(current_block[1]):
2375
current_entry = current_block[1][entry_index]
2377
current_entry = None
2378
advance_entry = True
2380
if current_dir_info and path_index < len(current_dir_info[1]):
2381
current_path_info = current_dir_info[1][path_index]
2382
if current_path_info[2] == 'directory':
2383
if self.target._directory_is_tree_reference(
2384
current_path_info[0].decode('utf8')):
2385
current_path_info = current_path_info[:2] + \
2386
('tree-reference',) + current_path_info[3:]
2388
current_path_info = None
2390
path_handled = False
2391
while (current_entry is not None or
2392
current_path_info is not None):
2393
if current_entry is None:
2394
# the check for path_handled when the path is adnvaced
2395
# will yield this path if needed.
2397
elif current_path_info is None:
2398
# no path is fine: the per entry code will handle it.
2399
result = _process_entry(current_entry, current_path_info)
2400
if result is not None:
2401
if result is not uninteresting:
2403
elif (current_entry[0][1] != current_path_info[1]
2404
or current_entry[1][target_index][0] in 'ar'):
2405
# The current path on disk doesn't match the dirblock
2406
# record. Either the dirblock is marked as absent, or
2407
# the file on disk is not present at all in the
2408
# dirblock. Either way, report about the dirblock
2409
# entry, and let other code handle the filesystem one.
2411
# Compare the basename for these files to determine
2413
if current_path_info[1] < current_entry[0][1]:
2414
# extra file on disk: pass for now, but only
2415
# increment the path, not the entry
2416
advance_entry = False
2418
# entry referring to file not present on disk.
2419
# advance the entry only, after processing.
2420
result = _process_entry(current_entry, None)
2421
if result is not None:
2422
if result is not uninteresting:
2424
advance_path = False
2426
result = _process_entry(current_entry, current_path_info)
2427
if result is not None:
2429
if result is not uninteresting:
2431
if advance_entry and current_entry is not None:
2433
if entry_index < len(current_block[1]):
2434
current_entry = current_block[1][entry_index]
2436
current_entry = None
2438
advance_entry = True # reset the advance flaga
2439
if advance_path and current_path_info is not None:
2440
if not path_handled:
2441
# unversioned in all regards
2442
if want_unversioned:
2443
new_executable = bool(
2444
stat.S_ISREG(current_path_info[3].st_mode)
2445
and stat.S_IEXEC & current_path_info[3].st_mode)
2447
(None, utf8_decode(current_path_info[0])[0]),
2451
(None, utf8_decode(current_path_info[1])[0]),
2452
(None, current_path_info[2]),
2453
(None, new_executable))
2454
# dont descend into this unversioned path if it is
2456
if current_path_info[2] in ('directory'):
2457
del current_dir_info[1][path_index]
2459
# dont descend the disk iterator into any tree
2461
if current_path_info[2] == 'tree-reference':
2462
del current_dir_info[1][path_index]
2465
if path_index < len(current_dir_info[1]):
2466
current_path_info = current_dir_info[1][path_index]
2467
if current_path_info[2] == 'directory':
2468
if self.target._directory_is_tree_reference(
2469
current_path_info[0].decode('utf8')):
2470
current_path_info = current_path_info[:2] + \
2471
('tree-reference',) + current_path_info[3:]
2473
current_path_info = None
2474
path_handled = False
2476
advance_path = True # reset the advance flagg.
2477
if current_block is not None:
2479
if (block_index < len(state._dirblocks) and
2480
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2481
current_block = state._dirblocks[block_index]
2483
current_block = None
2484
if current_dir_info is not None:
2486
current_dir_info = dir_iterator.next()
2487
except StopIteration:
2488
current_dir_info = None
2492
def is_compatible(source, target):
2493
# the target must be a dirstate working tree
2494
if not isinstance(target, WorkingTree4):
2496
# the source must be a revtreee or dirstate rev tree.
2497
if not isinstance(source,
2498
(revisiontree.RevisionTree, DirStateRevisionTree)):
2500
# the source revid must be in the target dirstate
2501
if not (source._revision_id == NULL_REVISION or
2502
source._revision_id in target.get_parent_ids()):
2503
# TODO: what about ghosts? it may well need to
2504
# check for them explicitly.
2508
InterTree.register_optimiser(InterDirStateTree)
2511
class Converter3to4(object):
2512
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2515
self.target_format = WorkingTreeFormat4()
2517
def convert(self, tree):
2518
# lock the control files not the tree, so that we dont get tree
2519
# on-unlock behaviours, and so that noone else diddles with the
2520
# tree during upgrade.
2521
tree._control_files.lock_write()
2523
tree.read_working_inventory()
2524
self.create_dirstate_data(tree)
2525
self.update_format(tree)
2526
self.remove_xml_files(tree)
2528
tree._control_files.unlock()
2530
def create_dirstate_data(self, tree):
2531
"""Create the dirstate based data for tree."""
2532
local_path = tree.bzrdir.get_workingtree_transport(None
2533
).local_abspath('dirstate')
2534
state = dirstate.DirState.from_tree(tree, local_path)
2538
def remove_xml_files(self, tree):
2539
"""Remove the oldformat 3 data."""
2540
transport = tree.bzrdir.get_workingtree_transport(None)
2541
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2542
'pending-merges', 'stat-cache']:
2544
transport.delete(path)
2545
except errors.NoSuchFile:
2546
# some files are optional - just deal.
2549
def update_format(self, tree):
2550
"""Change the format marker."""
2551
tree._transport.put_bytes('format',
2552
self.target_format.get_format_string(),
2553
mode=tree.bzrdir._get_file_mode())
added
removed
bzrlib/workingtree_4.py
