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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""WorkingTree4 format and implementation.
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WorkingTree4 provides the dirstate based working tree logic.
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To get a WorkingTree, call bzrdir.open_workingtree() or
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WorkingTree.open(dir).
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bisect import bisect_left
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from copy import deepcopy
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conflicts as _mod_conflicts,
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revision as _mod_revision,
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from bzrlib.transport import get_transport
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from bzrlib import symbol_versioning
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, entry_factory
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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import bzrlib.mutabletree
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib.osutils import (
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from bzrlib.trace import mutter, note
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from bzrlib.transport.local import LocalTransport
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from bzrlib.tree import InterTree
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from bzrlib.progress import DummyProgress, ProgressPhase
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from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import (deprecated_passed,
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from bzrlib.tree import Tree
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from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
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# This is the Windows equivalent of ENOTDIR
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# It is defined in pywin32.winerror, but we don't want a strong dependency for
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# just an error code.
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ERROR_PATH_NOT_FOUND = 3
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ERROR_DIRECTORY = 267
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class WorkingTree4(WorkingTree3):
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"""This is the Format 4 working tree.
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This differs from WorkingTree3 by:
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- Having a consolidated internal dirstate, stored in a
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randomly-accessible sorted file on disk.
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- Not having a regular inventory attribute. One can be synthesized
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on demand but this is expensive and should be avoided.
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This is new in bzr 0.15.
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def __init__(self, basedir,
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"""Construct a WorkingTree for basedir.
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If the branch is not supplied, it is opened automatically.
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If the branch is supplied, it must be the branch for this basedir.
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(branch.base is not cross checked, because for remote branches that
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would be meaningless).
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self._format = _format
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self.bzrdir = _bzrdir
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assert isinstance(basedir, basestring), \
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"base directory %r is not a string" % basedir
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basedir = safe_unicode(basedir)
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mutter("opening working tree %r", basedir)
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self._branch = branch
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assert isinstance(self.branch, bzrlib.branch.Branch), \
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"branch %r is not a Branch" % self.branch
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self.basedir = realpath(basedir)
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# if branch is at our basedir and is a format 6 or less
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# assume all other formats have their own control files.
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assert isinstance(_control_files, LockableFiles), \
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"_control_files must be a LockableFiles, not %r" % _control_files
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self._control_files = _control_files
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# during a read or write lock these objects are set, and are
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# None the rest of the time.
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self._dirstate = None
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self._inventory = None
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self._setup_directory_is_tree_reference()
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self._detect_case_handling()
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@needs_tree_write_lock
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def _add(self, files, ids, kinds):
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"""See MutableTree._add."""
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state = self.current_dirstate()
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for f, file_id, kind in zip(files, ids, kinds):
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# special case tree root handling.
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if f == '' and self.path2id(f) == ROOT_ID:
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state.set_path_id('', generate_ids.gen_file_id(f))
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file_id = generate_ids.gen_file_id(f)
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# deliberately add the file with no cached stat or sha1
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# - on the first access it will be gathered, and we can
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# always change this once tests are all passing.
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state.add(f, file_id, kind, None, '')
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self._make_dirty(reset_inventory=True)
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def _make_dirty(self, reset_inventory):
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"""Make the tree state dirty.
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:param reset_inventory: True if the cached inventory should be removed
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(presuming there is one).
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if reset_inventory and self._inventory is not None:
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self._inventory = None
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@needs_tree_write_lock
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def add_reference(self, sub_tree):
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# use standard implementation, which calls back to self._add
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# So we don't store the reference_revision in the working dirstate,
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# it's just recorded at the moment of commit.
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self._add_reference(sub_tree)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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This will probe the repository for its lock as well.
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# if the dirstate is locked by an active process, reject the break lock
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if self._dirstate is None:
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state = self._current_dirstate()
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if state._lock_token is not None:
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# we already have it locked. sheese, cant break our own lock.
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raise errors.LockActive(self.basedir)
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# try for a write lock - need permission to get one anyhow
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except errors.LockContention:
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# oslocks fail when a process is still live: fail.
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# TODO: get the locked lockdir info and give to the user to
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# assist in debugging.
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raise errors.LockActive(self.basedir)
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self._dirstate = None
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self._control_files.break_lock()
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self.branch.break_lock()
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def _comparison_data(self, entry, path):
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kind, executable, stat_value = \
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WorkingTree3._comparison_data(self, entry, path)
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# it looks like a plain directory, but it's really a reference -- see
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(path)):
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kind = 'tree-reference'
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return kind, executable, stat_value
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def commit(self, message=None, revprops=None, *args, **kwargs):
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# mark the tree as dirty post commit - commit
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# can change the current versioned list by doing deletes.
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result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
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self._make_dirty(reset_inventory=True)
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def current_dirstate(self):
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"""Return the current dirstate object.
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This is not part of the tree interface and only exposed for ease of
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:raises errors.NotWriteLocked: when not in a lock.
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self._must_be_locked()
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return self._current_dirstate()
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def _current_dirstate(self):
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"""Internal function that does not check lock status.
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This is needed for break_lock which also needs the dirstate.
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if self._dirstate is not None:
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return self._dirstate
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local_path = self.bzrdir.get_workingtree_transport(None
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).local_abspath('dirstate')
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self._dirstate = dirstate.DirState.on_file(local_path)
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return self._dirstate
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def filter_unversioned_files(self, paths):
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"""Filter out paths that are versioned.
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:return: set of paths.
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# TODO: make a generic multi-bisect routine roughly that should list
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# the paths, then process one half at a time recursively, and feed the
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# results of each bisect in further still
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paths = sorted(paths)
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state = self.current_dirstate()
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# TODO we want a paths_to_dirblocks helper I think
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dirname, basename = os.path.split(path.encode('utf8'))
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_, _, _, path_is_versioned = state._get_block_entry_index(
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dirname, basename, 0)
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if not path_is_versioned:
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"""Write all cached data to disk."""
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if self._control_files._lock_mode != 'w':
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raise errors.NotWriteLocked(self)
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self.current_dirstate().save()
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self._inventory = None
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@needs_tree_write_lock
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def _gather_kinds(self, files, kinds):
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"""See MutableTree._gather_kinds."""
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for pos, f in enumerate(files):
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if kinds[pos] is None:
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kinds[pos] = self._kind(f)
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def _generate_inventory(self):
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"""Create and set self.inventory from the dirstate object.
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This is relatively expensive: we have to walk the entire dirstate.
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Ideally we would not, and can deprecate this function.
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#: uncomment to trap on inventory requests.
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# import pdb;pdb.set_trace()
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state = self.current_dirstate()
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state._read_dirblocks_if_needed()
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root_key, current_entry = self._get_entry(path='')
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current_id = root_key[2]
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assert current_entry[0][0] == 'd' # directory
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inv = Inventory(root_id=current_id)
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# Turn some things into local variables
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minikind_to_kind = dirstate.DirState._minikind_to_kind
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factory = entry_factory
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utf8_decode = cache_utf8._utf8_decode
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# we could do this straight out of the dirstate; it might be fast
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# and should be profiled - RBC 20070216
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parent_ies = {'' : inv.root}
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for block in state._dirblocks[1:]: # skip the root
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parent_ie = parent_ies[dirname]
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# all the paths in this block are not versioned in this tree
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for key, entry in block[1]:
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minikind, link_or_sha1, size, executable, stat = entry[0]
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if minikind in ('a', 'r'): # absent, relocated
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# a parent tree only entry
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name_unicode = utf8_decode(name)[0]
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kind = minikind_to_kind[minikind]
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inv_entry = factory[kind](file_id, name_unicode,
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# This is only needed on win32, where this is the only way
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# we know the executable bit.
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inv_entry.executable = executable
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# not strictly needed: working tree
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#inv_entry.text_size = size
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#inv_entry.text_sha1 = sha1
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elif kind == 'directory':
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# add this entry to the parent map.
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parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
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elif kind == 'tree-reference':
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assert self._repo_supports_tree_reference, \
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"repository of %r " \
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"doesn't support tree references " \
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"required by entry %r" \
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inv_entry.reference_revision = link_or_sha1 or None
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elif kind != 'symlink':
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raise AssertionError("unknown kind %r" % kind)
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# These checks cost us around 40ms on a 55k entry tree
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assert file_id not in inv_byid, ('file_id %s already in'
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' inventory as %s' % (file_id, inv_byid[file_id]))
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assert name_unicode not in parent_ie.children
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inv_byid[file_id] = inv_entry
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parent_ie.children[name_unicode] = inv_entry
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self._inventory = inv
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def _get_entry(self, file_id=None, path=None):
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"""Get the dirstate row for file_id or path.
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If either file_id or path is supplied, it is used as the key to lookup.
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If both are supplied, the fastest lookup is used, and an error is
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raised if they do not both point at the same row.
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:param file_id: An optional unicode file_id to be looked up.
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:param path: An optional unicode path to be looked up.
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:return: The dirstate row tuple for path/file_id, or (None, None)
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if file_id is None and path is None:
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raise errors.BzrError('must supply file_id or path')
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state = self.current_dirstate()
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path = path.encode('utf8')
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return state._get_entry(0, fileid_utf8=file_id, path_utf8=path)
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def get_file_sha1(self, file_id, path=None, stat_value=None):
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# check file id is valid unconditionally.
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entry = self._get_entry(file_id=file_id, path=path)
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raise errors.NoSuchId(self, file_id)
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path = pathjoin(entry[0][0], entry[0][1]).decode('utf8')
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file_abspath = self.abspath(path)
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state = self.current_dirstate()
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if stat_value is None:
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stat_value = os.lstat(file_abspath)
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if e.errno == errno.ENOENT:
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link_or_sha1 = state.update_entry(entry, file_abspath,
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stat_value=stat_value)
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if entry[1][0][0] == 'f':
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def _get_inventory(self):
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"""Get the inventory for the tree. This is only valid within a lock."""
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if 'evil' in debug.debug_flags:
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trace.mutter_callsite(2,
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"accessing .inventory forces a size of tree translation.")
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if self._inventory is not None:
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return self._inventory
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self._must_be_locked()
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self._generate_inventory()
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return self._inventory
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inventory = property(_get_inventory,
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doc="Inventory of this Tree")
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def get_parent_ids(self):
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"""See Tree.get_parent_ids.
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This implementation requests the ids list from the dirstate file.
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return self.current_dirstate().get_parent_ids()
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def get_reference_revision(self, file_id, path=None):
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# referenced tree's revision is whatever's currently there
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return self.get_nested_tree(file_id, path).last_revision()
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def get_nested_tree(self, file_id, path=None):
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path = self.id2path(file_id)
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# else: check file_id is at path?
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return WorkingTree.open(self.abspath(path))
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def get_root_id(self):
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"""Return the id of this trees root"""
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return self._get_entry(path='')[0][2]
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def has_id(self, file_id):
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state = self.current_dirstate()
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row, parents = self._get_entry(file_id=file_id)
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return osutils.lexists(pathjoin(
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self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
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def id2path(self, file_id):
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"Convert a file-id to a path."
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state = self.current_dirstate()
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entry = self._get_entry(file_id=file_id)
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if entry == (None, None):
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raise errors.NoSuchId(tree=self, file_id=file_id)
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path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
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return path_utf8.decode('utf8')
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def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
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entry = self._get_entry(path=path)
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if entry == (None, None):
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return False # Missing entries are not executable
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return entry[1][0][3] # Executable?
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if not osutils.supports_executable():
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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entry = self._get_entry(file_id=file_id, path=path)
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if entry == (None, None):
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return entry[1][0][3]
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_is_executable_from_path_and_stat = \
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_is_executable_from_path_and_stat_from_basis
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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self._must_be_locked()
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path = self.id2path(file_id)
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mode = os.lstat(self.abspath(path)).st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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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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assert relpath != None, \
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"path for id {%s} is None!" % file_id
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return self._kind(relpath)
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def _kind(self, relpath):
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abspath = self.abspath(relpath)
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kind = file_kind(abspath)
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(relpath)):
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kind = 'tree-reference'
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def _last_revision(self):
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"""See Mutable.last_revision."""
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parent_ids = self.current_dirstate().get_parent_ids()
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return _mod_revision.NULL_REVISION
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"""See Branch.lock_read, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._control_files.lock_read()
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state = self.current_dirstate()
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if not state._lock_token:
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# set our support for tree references from the repository in
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self._repo_supports_tree_reference = getattr(
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self.branch.repository._format, "supports_tree_reference",
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self._control_files.unlock()
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def _lock_self_write(self):
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"""This should be called after the branch is locked."""
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self._control_files.lock_write()
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state = self.current_dirstate()
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if not state._lock_token:
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# set our support for tree references from the repository in
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self._repo_supports_tree_reference = getattr(
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self.branch.repository._format, "supports_tree_reference",
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self._control_files.unlock()
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def lock_tree_write(self):
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"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._lock_self_write()
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def lock_write(self):
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"""See MutableTree.lock_write, and WorkingTree.unlock."""
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self.branch.lock_write()
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self._lock_self_write()
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@needs_tree_write_lock
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def move(self, from_paths, to_dir, after=False):
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"""See WorkingTree.move()."""
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state = self.current_dirstate()
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assert not isinstance(from_paths, basestring)
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to_dir_utf8 = to_dir.encode('utf8')
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to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
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id_index = state._get_id_index()
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# check destination directory
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# get the details for it
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to_entry_block_index, to_entry_entry_index, dir_present, entry_present = \
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state._get_block_entry_index(to_entry_dirname, to_basename, 0)
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if not entry_present:
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raise errors.BzrMoveFailedError('', to_dir,
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errors.NotVersionedError(to_dir))
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to_entry = state._dirblocks[to_entry_block_index][1][to_entry_entry_index]
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# get a handle on the block itself.
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to_block_index = state._ensure_block(
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to_entry_block_index, to_entry_entry_index, to_dir_utf8)
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to_block = state._dirblocks[to_block_index]
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to_abs = self.abspath(to_dir)
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if not isdir(to_abs):
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if to_entry[1][0][0] != 'd':
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if self._inventory is not None:
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update_inventory = True
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to_dir_ie = inv[to_dir_id]
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to_dir_id = to_entry[0][2]
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update_inventory = False
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def move_one(old_entry, from_path_utf8, minikind, executable,
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fingerprint, packed_stat, size,
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to_block, to_key, to_path_utf8):
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state._make_absent(old_entry)
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from_key = old_entry[0]
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lambda:state.update_minimal(from_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=from_path_utf8))
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state.update_minimal(to_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=to_path_utf8)
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added_entry_index, _ = state._find_entry_index(to_key, to_block[1])
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new_entry = to_block[1][added_entry_index]
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rollbacks.append(lambda:state._make_absent(new_entry))
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for from_rel in from_paths:
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# from_rel is 'pathinroot/foo/bar'
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from_rel_utf8 = from_rel.encode('utf8')
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from_dirname, from_tail = osutils.split(from_rel)
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from_dirname, from_tail_utf8 = osutils.split(from_rel_utf8)
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from_entry = self._get_entry(path=from_rel)
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if from_entry == (None, None):
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raise errors.BzrMoveFailedError(from_rel,to_dir,
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errors.NotVersionedError(path=str(from_rel)))
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from_id = from_entry[0][2]
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to_rel = pathjoin(to_dir, from_tail)
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to_rel_utf8 = pathjoin(to_dir_utf8, from_tail_utf8)
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item_to_entry = self._get_entry(path=to_rel)
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if item_to_entry != (None, None):
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Target is already versioned.")
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if from_rel == to_rel:
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Source and target are identical.")
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from_missing = not self.has_filename(from_rel)
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to_missing = not self.has_filename(to_rel)
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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errors.NoSuchFile(path=to_rel,
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extra="New file has not been created yet"))
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# neither path exists
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raise errors.BzrRenameFailedError(from_rel, to_rel,
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errors.PathsDoNotExist(paths=(from_rel, to_rel)))
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if from_missing: # implicitly just update our path mapping
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raise errors.RenameFailedFilesExist(from_rel, to_rel)
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def rollback_rename():
740
"""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
745
# 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]
755
# perform the disk move first - its the most likely failure point.
757
from_rel_abs = self.abspath(from_rel)
758
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."""
798
assert from_dir != '', "renaming root not supported"
799
from_key = (from_dir, '')
800
from_block_idx, present = \
801
state._find_block_index_from_key(from_key)
803
# This is the old record, if it isn't present, then
804
# there is theoretically nothing to update.
805
# (Unless it isn't present because of lazy loading,
806
# but we don't do that yet)
808
from_block = state._dirblocks[from_block_idx]
809
to_block_index, to_entry_index, _, _ = \
810
state._get_block_entry_index(to_key[0], to_key[1], 0)
811
to_block_index = state._ensure_block(
812
to_block_index, to_entry_index, to_dir_utf8)
813
to_block = state._dirblocks[to_block_index]
815
# Grab a copy since move_one may update the list.
816
for entry in from_block[1][:]:
817
assert entry[0][0] == from_dir
818
cur_details = entry[1][0]
819
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
820
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
821
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
822
minikind = cur_details[0]
824
# Deleted children of a renamed directory
825
# Do not need to be updated.
826
# Children that have been renamed out of this
827
# directory should also not be updated
829
move_one(entry, from_path_utf8=from_path_utf8,
831
executable=cur_details[3],
832
fingerprint=cur_details[1],
833
packed_stat=cur_details[4],
837
to_path_utf8=to_path_utf8)
839
# We need to move all the children of this
841
update_dirblock(from_path_utf8, to_key,
843
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
847
result.append((from_rel, to_rel))
848
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
849
self._make_dirty(reset_inventory=False)
853
def _must_be_locked(self):
854
if not self._control_files._lock_count:
855
raise errors.ObjectNotLocked(self)
858
"""Initialize the state in this tree to be a new tree."""
862
def path2id(self, path):
863
"""Return the id for path in this tree."""
864
path = path.strip('/')
865
entry = self._get_entry(path=path)
866
if entry == (None, None):
870
def paths2ids(self, paths, trees=[], require_versioned=True):
871
"""See Tree.paths2ids().
873
This specialisation fast-paths the case where all the trees are in the
878
parents = self.get_parent_ids()
880
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
882
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
883
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
884
# -- make all paths utf8 --
887
paths_utf8.add(path.encode('utf8'))
889
# -- paths is now a utf8 path set --
890
# -- get the state object and prepare it.
891
state = self.current_dirstate()
892
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
893
and '' not in paths):
894
paths2ids = self._paths2ids_using_bisect
896
paths2ids = self._paths2ids_in_memory
897
return paths2ids(paths, search_indexes,
898
require_versioned=require_versioned)
900
def _paths2ids_in_memory(self, paths, search_indexes,
901
require_versioned=True):
902
state = self.current_dirstate()
903
state._read_dirblocks_if_needed()
904
def _entries_for_path(path):
905
"""Return a list with all the entries that match path for all ids.
907
dirname, basename = os.path.split(path)
908
key = (dirname, basename, '')
909
block_index, present = state._find_block_index_from_key(key)
911
# the block which should contain path is absent.
914
block = state._dirblocks[block_index][1]
915
entry_index, _ = state._find_entry_index(key, block)
916
# we may need to look at multiple entries at this path: walk while the paths match.
917
while (entry_index < len(block) and
918
block[entry_index][0][0:2] == key[0:2]):
919
result.append(block[entry_index])
922
if require_versioned:
923
# -- check all supplied paths are versioned in a search tree. --
926
path_entries = _entries_for_path(path)
928
# this specified path is not present at all: error
929
all_versioned = False
931
found_versioned = False
932
# for each id at this path
933
for entry in path_entries:
935
for index in search_indexes:
936
if entry[1][index][0] != 'a': # absent
937
found_versioned = True
938
# all good: found a versioned cell
940
if not found_versioned:
941
# none of the indexes was not 'absent' at all ids for this
943
all_versioned = False
945
if not all_versioned:
946
raise errors.PathsNotVersionedError(paths)
947
# -- remove redundancy in supplied paths to prevent over-scanning --
948
search_paths = osutils.minimum_path_selection(paths)
950
# for all search_indexs in each path at or under each element of
951
# search_paths, if the detail is relocated: add the id, and add the
952
# relocated path as one to search if its not searched already. If the
953
# detail is not relocated, add the id.
954
searched_paths = set()
956
def _process_entry(entry):
957
"""Look at search_indexes within entry.
959
If a specific tree's details are relocated, add the relocation
960
target to search_paths if not searched already. If it is absent, do
961
nothing. Otherwise add the id to found_ids.
963
for index in search_indexes:
964
if entry[1][index][0] == 'r': # relocated
965
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
966
search_paths.add(entry[1][index][1])
967
elif entry[1][index][0] != 'a': # absent
968
found_ids.add(entry[0][2])
970
current_root = search_paths.pop()
971
searched_paths.add(current_root)
972
# process the entries for this containing directory: the rest will be
973
# found by their parents recursively.
974
root_entries = _entries_for_path(current_root)
976
# this specified path is not present at all, skip it.
978
for entry in root_entries:
979
_process_entry(entry)
980
initial_key = (current_root, '', '')
981
block_index, _ = state._find_block_index_from_key(initial_key)
982
while (block_index < len(state._dirblocks) and
983
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
984
for entry in state._dirblocks[block_index][1]:
985
_process_entry(entry)
989
def _paths2ids_using_bisect(self, paths, search_indexes,
990
require_versioned=True):
991
state = self.current_dirstate()
994
split_paths = sorted(osutils.split(p) for p in paths)
995
found = state._bisect_recursive(split_paths)
997
if require_versioned:
998
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
999
for dir_name in split_paths:
1000
if dir_name not in found_dir_names:
1001
raise errors.PathsNotVersionedError(paths)
1003
for dir_name_id, trees_info in found.iteritems():
1004
for index in search_indexes:
1005
if trees_info[index][0] not in ('r', 'a'):
1006
found_ids.add(dir_name_id[2])
1009
def read_working_inventory(self):
1010
"""Read the working inventory.
1012
This is a meaningless operation for dirstate, but we obey it anyhow.
1014
return self.inventory
1017
def revision_tree(self, revision_id):
1018
"""See Tree.revision_tree.
1020
WorkingTree4 supplies revision_trees for any basis tree.
1022
dirstate = self.current_dirstate()
1023
parent_ids = dirstate.get_parent_ids()
1024
if revision_id not in parent_ids:
1025
raise errors.NoSuchRevisionInTree(self, revision_id)
1026
if revision_id in dirstate.get_ghosts():
1027
raise errors.NoSuchRevisionInTree(self, revision_id)
1028
return DirStateRevisionTree(dirstate, revision_id,
1029
self.branch.repository)
1031
@needs_tree_write_lock
1032
def set_last_revision(self, new_revision):
1033
"""Change the last revision in the working tree."""
1034
parents = self.get_parent_ids()
1035
if new_revision in (NULL_REVISION, None):
1036
assert len(parents) < 2, (
1037
"setting the last parent to none with a pending merge is "
1039
self.set_parent_ids([])
1041
self.set_parent_ids([new_revision] + parents[1:],
1042
allow_leftmost_as_ghost=True)
1044
@needs_tree_write_lock
1045
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1046
"""Set the parent ids to revision_ids.
1048
See also set_parent_trees. This api will try to retrieve the tree data
1049
for each element of revision_ids from the trees repository. If you have
1050
tree data already available, it is more efficient to use
1051
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1052
an easier API to use.
1054
:param revision_ids: The revision_ids to set as the parent ids of this
1055
working tree. Any of these may be ghosts.
1058
for revision_id in revision_ids:
1060
revtree = self.branch.repository.revision_tree(revision_id)
1061
# TODO: jam 20070213 KnitVersionedFile raises
1062
# RevisionNotPresent rather than NoSuchRevision if a
1063
# given revision_id is not present. Should Repository be
1064
# catching it and re-raising NoSuchRevision?
1065
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1067
trees.append((revision_id, revtree))
1068
self.set_parent_trees(trees,
1069
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1071
@needs_tree_write_lock
1072
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1073
"""Set the parents of the working tree.
1075
:param parents_list: A list of (revision_id, tree) tuples.
1076
If tree is None, then that element is treated as an unreachable
1077
parent tree - i.e. a ghost.
1079
dirstate = self.current_dirstate()
1080
if len(parents_list) > 0:
1081
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1082
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1085
# convert absent trees to the null tree, which we convert back to
1086
# missing on access.
1087
for rev_id, tree in parents_list:
1088
_mod_revision.check_not_reserved_id(rev_id)
1089
if tree is not None:
1090
real_trees.append((rev_id, tree))
1092
real_trees.append((rev_id,
1093
self.branch.repository.revision_tree(None)))
1094
ghosts.append(rev_id)
1095
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1096
self._make_dirty(reset_inventory=False)
1098
def _set_root_id(self, file_id):
1099
"""See WorkingTree.set_root_id."""
1100
state = self.current_dirstate()
1101
state.set_path_id('', file_id)
1102
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1103
self._make_dirty(reset_inventory=True)
1105
def _sha_from_stat(self, path, stat_result):
1106
"""Get a sha digest from the tree's stat cache.
1108
The default implementation assumes no stat cache is present.
1110
:param path: The path.
1111
:param stat_result: The stat result being looked up.
1113
return self.current_dirstate().sha1_from_stat(path, stat_result)
1116
def supports_tree_reference(self):
1117
return self._repo_supports_tree_reference
1120
"""Unlock in format 4 trees needs to write the entire dirstate."""
1121
# do non-implementation specific cleanup
1124
if self._control_files._lock_count == 1:
1125
# eventually we should do signature checking during read locks for
1127
if self._control_files._lock_mode == 'w':
1130
if self._dirstate is not None:
1131
# This is a no-op if there are no modifications.
1132
self._dirstate.save()
1133
self._dirstate.unlock()
1134
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1135
# point. Instead, it could check if the header has been
1136
# modified when it is locked, and if not, it can hang on to
1137
# the data it has in memory.
1138
self._dirstate = None
1139
self._inventory = None
1140
# reverse order of locking.
1142
return self._control_files.unlock()
1144
self.branch.unlock()
1146
@needs_tree_write_lock
1147
def unversion(self, file_ids):
1148
"""Remove the file ids in file_ids from the current versioned set.
1150
When a file_id is unversioned, all of its children are automatically
1153
:param file_ids: The file ids to stop versioning.
1154
:raises: NoSuchId if any fileid is not currently versioned.
1158
state = self.current_dirstate()
1159
state._read_dirblocks_if_needed()
1160
ids_to_unversion = set(file_ids)
1161
paths_to_unversion = set()
1163
# check if the root is to be unversioned, if so, assert for now.
1164
# walk the state marking unversioned things as absent.
1165
# if there are any un-unversioned ids at the end, raise
1166
for key, details in state._dirblocks[0][1]:
1167
if (details[0][0] not in ('a', 'r') and # absent or relocated
1168
key[2] in ids_to_unversion):
1169
# I haven't written the code to unversion / yet - it should be
1171
raise errors.BzrError('Unversioning the / is not currently supported')
1173
while block_index < len(state._dirblocks):
1174
# process one directory at a time.
1175
block = state._dirblocks[block_index]
1176
# first check: is the path one to remove - it or its children
1177
delete_block = False
1178
for path in paths_to_unversion:
1179
if (block[0].startswith(path) and
1180
(len(block[0]) == len(path) or
1181
block[0][len(path)] == '/')):
1182
# this entire block should be deleted - its the block for a
1183
# path to unversion; or the child of one
1186
# TODO: trim paths_to_unversion as we pass by paths
1188
# this block is to be deleted: process it.
1189
# TODO: we can special case the no-parents case and
1190
# just forget the whole block.
1192
while entry_index < len(block[1]):
1193
# Mark this file id as having been removed
1194
entry = block[1][entry_index]
1195
ids_to_unversion.discard(entry[0][2])
1196
if (entry[1][0][0] in 'ar' # don't remove absent or renamed
1198
or not state._make_absent(entry)):
1200
# go to the next block. (At the moment we dont delete empty
1205
while entry_index < len(block[1]):
1206
entry = block[1][entry_index]
1207
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1208
# ^ some parent row.
1209
entry[0][2] not in ids_to_unversion):
1210
# ^ not an id to unversion
1213
if entry[1][0][0] == 'd':
1214
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1215
if not state._make_absent(entry):
1217
# we have unversioned this id
1218
ids_to_unversion.remove(entry[0][2])
1220
if ids_to_unversion:
1221
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1222
self._make_dirty(reset_inventory=False)
1223
# have to change the legacy inventory too.
1224
if self._inventory is not None:
1225
for file_id in file_ids:
1226
self._inventory.remove_recursive_id(file_id)
1228
@needs_tree_write_lock
1229
def rename_one(self, from_rel, to_rel, after=False):
1230
"""See WorkingTree.rename_one"""
1232
WorkingTree.rename_one(self, from_rel, to_rel, after)
1234
@needs_tree_write_lock
1235
def apply_inventory_delta(self, changes):
1236
"""See MutableTree.apply_inventory_delta"""
1237
state = self.current_dirstate()
1238
state.update_by_delta(changes)
1239
self._make_dirty(reset_inventory=True)
1241
def update_basis_by_delta(self, new_revid, delta):
1242
"""See MutableTree.update_basis_by_delta."""
1243
assert self.last_revision() != new_revid
1244
self.current_dirstate().update_basis_by_delta(delta, new_revid)
1247
def _validate(self):
1248
self._dirstate._validate()
1250
@needs_tree_write_lock
1251
def _write_inventory(self, inv):
1252
"""Write inventory as the current inventory."""
1253
assert not self._dirty, ("attempting to write an inventory when the "
1254
"dirstate is dirty will cause data loss")
1255
self.current_dirstate().set_state_from_inventory(inv)
1256
self._make_dirty(reset_inventory=False)
1257
if self._inventory is not None:
1258
self._inventory = inv
1262
class WorkingTreeFormat4(WorkingTreeFormat3):
1263
"""The first consolidated dirstate working tree format.
1266
- exists within a metadir controlling .bzr
1267
- includes an explicit version marker for the workingtree control
1268
files, separate from the BzrDir format
1269
- modifies the hash cache format
1270
- is new in bzr 0.15
1271
- uses a LockDir to guard access to it.
1274
upgrade_recommended = False
1276
def get_format_string(self):
1277
"""See WorkingTreeFormat.get_format_string()."""
1278
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1280
def get_format_description(self):
1281
"""See WorkingTreeFormat.get_format_description()."""
1282
return "Working tree format 4"
1284
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1285
accelerator_tree=None, hardlink=False):
1286
"""See WorkingTreeFormat.initialize().
1288
:param revision_id: allows creating a working tree at a different
1289
revision than the branch is at.
1290
:param accelerator_tree: A tree which can be used for retrieving file
1291
contents more quickly than the revision tree, i.e. a workingtree.
1292
The revision tree will be used for cases where accelerator_tree's
1293
content is different.
1294
:param hardlink: If true, hard-link files from accelerator_tree,
1297
These trees get an initial random root id, if their repository supports
1298
rich root data, TREE_ROOT otherwise.
1300
if not isinstance(a_bzrdir.transport, LocalTransport):
1301
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1302
transport = a_bzrdir.get_workingtree_transport(self)
1303
control_files = self._open_control_files(a_bzrdir)
1304
control_files.create_lock()
1305
control_files.lock_write()
1306
control_files.put_utf8('format', self.get_format_string())
1307
if from_branch is not None:
1308
branch = from_branch
1310
branch = a_bzrdir.open_branch()
1311
if revision_id is None:
1312
revision_id = branch.last_revision()
1313
local_path = transport.local_abspath('dirstate')
1314
# write out new dirstate (must exist when we create the tree)
1315
state = dirstate.DirState.initialize(local_path)
1318
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1322
_control_files=control_files)
1324
wt.lock_tree_write()
1326
if revision_id in (None, NULL_REVISION):
1327
if branch.repository.supports_rich_root():
1328
wt._set_root_id(generate_ids.gen_root_id())
1330
wt._set_root_id(ROOT_ID)
1333
# frequently, we will get here due to branching. The accelerator
1334
# tree will be the tree from the branch, so the desired basis
1335
# tree will often be a parent of the accelerator tree.
1336
if accelerator_tree is not None:
1338
basis = accelerator_tree.revision_tree(revision_id)
1339
except errors.NoSuchRevision:
1342
basis = branch.repository.revision_tree(revision_id)
1343
if revision_id == NULL_REVISION:
1346
parents_list = [(revision_id, basis)]
1349
wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
1351
# if the basis has a root id we have to use that; otherwise we
1352
# use a new random one
1353
basis_root_id = basis.get_root_id()
1354
if basis_root_id is not None:
1355
wt._set_root_id(basis_root_id)
1357
transform.build_tree(basis, wt, accelerator_tree,
1362
control_files.unlock()
1366
def _open(self, a_bzrdir, control_files):
1367
"""Open the tree itself.
1369
:param a_bzrdir: the dir for the tree.
1370
:param control_files: the control files for the tree.
1372
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1373
branch=a_bzrdir.open_branch(),
1376
_control_files=control_files)
1378
def __get_matchingbzrdir(self):
1379
# please test against something that will let us do tree references
1380
return bzrdir.format_registry.make_bzrdir(
1381
'dirstate-with-subtree')
1383
_matchingbzrdir = property(__get_matchingbzrdir)
1386
class DirStateRevisionTree(Tree):
1387
"""A revision tree pulling the inventory from a dirstate."""
1389
def __init__(self, dirstate, revision_id, repository):
1390
self._dirstate = dirstate
1391
self._revision_id = revision_id
1392
self._repository = repository
1393
self._inventory = None
1395
self._dirstate_locked = False
1398
return "<%s of %s in %s>" % \
1399
(self.__class__.__name__, self._revision_id, self._dirstate)
1401
def annotate_iter(self, file_id,
1402
default_revision=_mod_revision.CURRENT_REVISION):
1403
"""See Tree.annotate_iter"""
1404
w = self._get_weave(file_id)
1405
return w.annotate_iter(self.inventory[file_id].revision)
1407
def _get_ancestors(self, default_revision):
1408
return set(self._repository.get_ancestry(self._revision_id,
1410
def _comparison_data(self, entry, path):
1411
"""See Tree._comparison_data."""
1413
return None, False, None
1414
# trust the entry as RevisionTree does, but this may not be
1415
# sensible: the entry might not have come from us?
1416
return entry.kind, entry.executable, None
1418
def _file_size(self, entry, stat_value):
1419
return entry.text_size
1421
def filter_unversioned_files(self, paths):
1422
"""Filter out paths that are not versioned.
1424
:return: set of paths.
1426
pred = self.has_filename
1427
return set((p for p in paths if not pred(p)))
1429
def get_root_id(self):
1430
return self.path2id('')
1432
def id2path(self, file_id):
1433
"Convert a file-id to a path."
1434
entry = self._get_entry(file_id=file_id)
1435
if entry == (None, None):
1436
raise errors.NoSuchId(tree=self, file_id=file_id)
1437
path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1438
return path_utf8.decode('utf8')
1440
def _get_parent_index(self):
1441
"""Return the index in the dirstate referenced by this tree."""
1442
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1444
def _get_entry(self, file_id=None, path=None):
1445
"""Get the dirstate row for file_id or path.
1447
If either file_id or path is supplied, it is used as the key to lookup.
1448
If both are supplied, the fastest lookup is used, and an error is
1449
raised if they do not both point at the same row.
1451
:param file_id: An optional unicode file_id to be looked up.
1452
:param path: An optional unicode path to be looked up.
1453
:return: The dirstate row tuple for path/file_id, or (None, None)
1455
if file_id is None and path is None:
1456
raise errors.BzrError('must supply file_id or path')
1457
if path is not None:
1458
path = path.encode('utf8')
1459
parent_index = self._get_parent_index()
1460
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1462
def _generate_inventory(self):
1463
"""Create and set self.inventory from the dirstate object.
1465
(So this is only called the first time the inventory is requested for
1466
this tree; it then remains in memory until it's out of date.)
1468
This is relatively expensive: we have to walk the entire dirstate.
1470
assert self._locked, 'cannot generate inventory of an unlocked '\
1471
'dirstate revision tree'
1472
# separate call for profiling - makes it clear where the costs are.
1473
self._dirstate._read_dirblocks_if_needed()
1474
assert self._revision_id in self._dirstate.get_parent_ids(), \
1475
'parent %s has disappeared from %s' % (
1476
self._revision_id, self._dirstate.get_parent_ids())
1477
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1478
# This is identical now to the WorkingTree _generate_inventory except
1479
# for the tree index use.
1480
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1481
current_id = root_key[2]
1482
assert current_entry[parent_index][0] == 'd'
1483
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1484
inv.root.revision = current_entry[parent_index][4]
1485
# Turn some things into local variables
1486
minikind_to_kind = dirstate.DirState._minikind_to_kind
1487
factory = entry_factory
1488
utf8_decode = cache_utf8._utf8_decode
1489
inv_byid = inv._byid
1490
# we could do this straight out of the dirstate; it might be fast
1491
# and should be profiled - RBC 20070216
1492
parent_ies = {'' : inv.root}
1493
for block in self._dirstate._dirblocks[1:]: #skip root
1496
parent_ie = parent_ies[dirname]
1498
# all the paths in this block are not versioned in this tree
1500
for key, entry in block[1]:
1501
minikind, fingerprint, size, executable, revid = entry[parent_index]
1502
if minikind in ('a', 'r'): # absent, relocated
1506
name_unicode = utf8_decode(name)[0]
1508
kind = minikind_to_kind[minikind]
1509
inv_entry = factory[kind](file_id, name_unicode,
1511
inv_entry.revision = revid
1513
inv_entry.executable = executable
1514
inv_entry.text_size = size
1515
inv_entry.text_sha1 = fingerprint
1516
elif kind == 'directory':
1517
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1518
elif kind == 'symlink':
1519
inv_entry.executable = False
1520
inv_entry.text_size = None
1521
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1522
elif kind == 'tree-reference':
1523
inv_entry.reference_revision = fingerprint or None
1525
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1527
# These checks cost us around 40ms on a 55k entry tree
1528
assert file_id not in inv_byid
1529
assert name_unicode not in parent_ie.children
1530
inv_byid[file_id] = inv_entry
1531
parent_ie.children[name_unicode] = inv_entry
1532
self._inventory = inv
1534
def get_file_mtime(self, file_id, path=None):
1535
"""Return the modification time for this record.
1537
We return the timestamp of the last-changed revision.
1539
# Make sure the file exists
1540
entry = self._get_entry(file_id, path=path)
1541
if entry == (None, None): # do we raise?
1543
parent_index = self._get_parent_index()
1544
last_changed_revision = entry[1][parent_index][4]
1545
return self._repository.get_revision(last_changed_revision).timestamp
1547
def get_file_sha1(self, file_id, path=None, stat_value=None):
1548
entry = self._get_entry(file_id=file_id, path=path)
1549
parent_index = self._get_parent_index()
1550
parent_details = entry[1][parent_index]
1551
if parent_details[0] == 'f':
1552
return parent_details[1]
1555
@symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
1556
def get_weave(self, file_id):
1557
return self._get_weave(file_id)
1559
def _get_weave(self, file_id):
1560
return self._repository.weave_store.get_weave(file_id,
1561
self._repository.get_transaction())
1563
def get_file(self, file_id, path=None):
1564
return StringIO(self.get_file_text(file_id))
1566
def get_file_lines(self, file_id):
1567
entry = self._get_entry(file_id=file_id)[1]
1569
raise errors.NoSuchId(tree=self, file_id=file_id)
1570
return self._get_weave(file_id).get_lines(entry[1][4])
1572
def get_file_size(self, file_id):
1573
return self.inventory[file_id].text_size
1575
def get_file_text(self, file_id):
1576
return ''.join(self.get_file_lines(file_id))
1578
def get_reference_revision(self, file_id, path=None):
1579
return self.inventory[file_id].reference_revision
1581
def iter_files_bytes(self, desired_files):
1582
"""See Tree.iter_files_bytes.
1584
This version is implemented on top of Repository.iter_files_bytes"""
1585
parent_index = self._get_parent_index()
1586
repo_desired_files = []
1587
for file_id, identifier in desired_files:
1588
entry = self._get_entry(file_id)
1589
if entry == (None, None):
1590
raise errors.NoSuchId(self, file_id)
1591
repo_desired_files.append((file_id, entry[1][parent_index][4],
1593
return self._repository.iter_files_bytes(repo_desired_files)
1595
def get_symlink_target(self, file_id):
1596
entry = self._get_entry(file_id=file_id)
1597
parent_index = self._get_parent_index()
1598
if entry[1][parent_index][0] != 'l':
1601
# At present, none of the tree implementations supports non-ascii
1602
# symlink targets. So we will just assume that the dirstate path is
1604
return entry[1][parent_index][1]
1606
def get_revision_id(self):
1607
"""Return the revision id for this tree."""
1608
return self._revision_id
1610
def _get_inventory(self):
1611
if self._inventory is not None:
1612
return self._inventory
1613
self._must_be_locked()
1614
self._generate_inventory()
1615
return self._inventory
1617
inventory = property(_get_inventory,
1618
doc="Inventory of this Tree")
1620
def get_parent_ids(self):
1621
"""The parents of a tree in the dirstate are not cached."""
1622
return self._repository.get_revision(self._revision_id).parent_ids
1624
def has_filename(self, filename):
1625
return bool(self.path2id(filename))
1627
def kind(self, file_id):
1628
entry = self._get_entry(file_id=file_id)[1]
1630
raise errors.NoSuchId(tree=self, file_id=file_id)
1631
return dirstate.DirState._minikind_to_kind[entry[1][0]]
1633
def stored_kind(self, file_id):
1634
"""See Tree.stored_kind"""
1635
return self.kind(file_id)
1637
def path_content_summary(self, path):
1638
"""See Tree.path_content_summary."""
1639
id = self.inventory.path2id(path)
1641
return ('missing', None, None, None)
1642
entry = self._inventory[id]
1645
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1646
elif kind == 'symlink':
1647
return (kind, None, None, entry.symlink_target)
1649
return (kind, None, None, None)
1651
def is_executable(self, file_id, path=None):
1652
ie = self.inventory[file_id]
1653
if ie.kind != "file":
1655
return ie.executable
1657
def list_files(self, include_root=False):
1658
# We use a standard implementation, because DirStateRevisionTree is
1659
# dealing with one of the parents of the current state
1660
inv = self._get_inventory()
1661
entries = inv.iter_entries()
1662
if self.inventory.root is not None and not include_root:
1664
for path, entry in entries:
1665
yield path, 'V', entry.kind, entry.file_id, entry
1667
def lock_read(self):
1668
"""Lock the tree for a set of operations."""
1669
if not self._locked:
1670
self._repository.lock_read()
1671
if self._dirstate._lock_token is None:
1672
self._dirstate.lock_read()
1673
self._dirstate_locked = True
1676
def _must_be_locked(self):
1677
if not self._locked:
1678
raise errors.ObjectNotLocked(self)
1681
def path2id(self, path):
1682
"""Return the id for path in this tree."""
1683
# lookup by path: faster than splitting and walking the ivnentory.
1684
entry = self._get_entry(path=path)
1685
if entry == (None, None):
1690
"""Unlock, freeing any cache memory used during the lock."""
1691
# outside of a lock, the inventory is suspect: release it.
1693
if not self._locked:
1694
self._inventory = None
1696
if self._dirstate_locked:
1697
self._dirstate.unlock()
1698
self._dirstate_locked = False
1699
self._repository.unlock()
1701
def walkdirs(self, prefix=""):
1702
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1703
# implementation based on an inventory.
1704
# This should be cleaned up to use the much faster Dirstate code
1705
# So for now, we just build up the parent inventory, and extract
1706
# it the same way RevisionTree does.
1707
_directory = 'directory'
1708
inv = self._get_inventory()
1709
top_id = inv.path2id(prefix)
1713
pending = [(prefix, top_id)]
1716
relpath, file_id = pending.pop()
1717
# 0 - relpath, 1- file-id
1719
relroot = relpath + '/'
1722
# FIXME: stash the node in pending
1723
entry = inv[file_id]
1724
for name, child in entry.sorted_children():
1725
toppath = relroot + name
1726
dirblock.append((toppath, name, child.kind, None,
1727
child.file_id, child.kind
1729
yield (relpath, entry.file_id), dirblock
1730
# push the user specified dirs from dirblock
1731
for dir in reversed(dirblock):
1732
if dir[2] == _directory:
1733
pending.append((dir[0], dir[4]))
1736
class InterDirStateTree(InterTree):
1737
"""Fast path optimiser for changes_from with dirstate trees.
1739
This is used only when both trees are in the dirstate working file, and
1740
the source is any parent within the dirstate, and the destination is
1741
the current working tree of the same dirstate.
1743
# this could be generalized to allow comparisons between any trees in the
1744
# dirstate, and possibly between trees stored in different dirstates.
1746
def __init__(self, source, target):
1747
super(InterDirStateTree, self).__init__(source, target)
1748
if not InterDirStateTree.is_compatible(source, target):
1749
raise Exception, "invalid source %r and target %r" % (source, target)
1752
def make_source_parent_tree(source, target):
1753
"""Change the source tree into a parent of the target."""
1754
revid = source.commit('record tree')
1755
target.branch.repository.fetch(source.branch.repository, revid)
1756
target.set_parent_ids([revid])
1757
return target.basis_tree(), target
1759
_matching_from_tree_format = WorkingTreeFormat4()
1760
_matching_to_tree_format = WorkingTreeFormat4()
1761
_test_mutable_trees_to_test_trees = make_source_parent_tree
1763
def _iter_changes(self, include_unchanged=False,
1764
specific_files=None, pb=None, extra_trees=[],
1765
require_versioned=True, want_unversioned=False):
1766
"""Return the changes from source to target.
1768
:return: An iterator that yields tuples. See InterTree._iter_changes
1770
:param specific_files: An optional list of file paths to restrict the
1771
comparison to. When mapping filenames to ids, all matches in all
1772
trees (including optional extra_trees) are used, and all children of
1773
matched directories are included.
1774
:param include_unchanged: An optional boolean requesting the inclusion of
1775
unchanged entries in the result.
1776
:param extra_trees: An optional list of additional trees to use when
1777
mapping the contents of specific_files (paths) to file_ids.
1778
:param require_versioned: If True, all files in specific_files must be
1779
versioned in one of source, target, extra_trees or
1780
PathsNotVersionedError is raised.
1781
:param want_unversioned: Should unversioned files be returned in the
1782
output. An unversioned file is defined as one with (False, False)
1783
for the versioned pair.
1785
utf8_decode = cache_utf8._utf8_decode
1786
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1787
cmp_by_dirs = dirstate.cmp_by_dirs
1788
# NB: show_status depends on being able to pass in non-versioned files
1789
# and report them as unknown
1790
# TODO: handle extra trees in the dirstate.
1791
if (extra_trees or specific_files == []):
1792
# we can't fast-path these cases (yet)
1793
for f in super(InterDirStateTree, self)._iter_changes(
1794
include_unchanged, specific_files, pb, extra_trees,
1795
require_versioned, want_unversioned=want_unversioned):
1798
parent_ids = self.target.get_parent_ids()
1799
assert (self.source._revision_id in parent_ids
1800
or self.source._revision_id == NULL_REVISION), \
1801
"revision {%s} is not stored in {%s}, but %s " \
1802
"can only be used for trees stored in the dirstate" \
1803
% (self.source._revision_id, self.target, self._iter_changes)
1805
if self.source._revision_id == NULL_REVISION:
1807
indices = (target_index,)
1809
assert (self.source._revision_id in parent_ids), \
1810
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1811
self.source._revision_id, parent_ids)
1812
source_index = 1 + parent_ids.index(self.source._revision_id)
1813
indices = (source_index, target_index)
1814
# -- make all specific_files utf8 --
1816
specific_files_utf8 = set()
1817
for path in specific_files:
1818
specific_files_utf8.add(path.encode('utf8'))
1819
specific_files = specific_files_utf8
1821
specific_files = set([''])
1822
# -- specific_files is now a utf8 path set --
1823
# -- get the state object and prepare it.
1824
state = self.target.current_dirstate()
1825
state._read_dirblocks_if_needed()
1826
def _entries_for_path(path):
1827
"""Return a list with all the entries that match path for all ids.
1829
dirname, basename = os.path.split(path)
1830
key = (dirname, basename, '')
1831
block_index, present = state._find_block_index_from_key(key)
1833
# the block which should contain path is absent.
1836
block = state._dirblocks[block_index][1]
1837
entry_index, _ = state._find_entry_index(key, block)
1838
# we may need to look at multiple entries at this path: walk while the specific_files match.
1839
while (entry_index < len(block) and
1840
block[entry_index][0][0:2] == key[0:2]):
1841
result.append(block[entry_index])
1844
if require_versioned:
1845
# -- check all supplied paths are versioned in a search tree. --
1846
all_versioned = True
1847
for path in specific_files:
1848
path_entries = _entries_for_path(path)
1849
if not path_entries:
1850
# this specified path is not present at all: error
1851
all_versioned = False
1853
found_versioned = False
1854
# for each id at this path
1855
for entry in path_entries:
1857
for index in indices:
1858
if entry[1][index][0] != 'a': # absent
1859
found_versioned = True
1860
# all good: found a versioned cell
1862
if not found_versioned:
1863
# none of the indexes was not 'absent' at all ids for this
1865
all_versioned = False
1867
if not all_versioned:
1868
raise errors.PathsNotVersionedError(specific_files)
1869
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1870
search_specific_files = set()
1871
for path in specific_files:
1872
other_specific_files = specific_files.difference(set([path]))
1873
if not osutils.is_inside_any(other_specific_files, path):
1874
# this is a top level path, we must check it.
1875
search_specific_files.add(path)
1877
# compare source_index and target_index at or under each element of search_specific_files.
1878
# follow the following comparison table. Note that we only want to do diff operations when
1879
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1883
# Source | Target | disk | action
1884
# r | fdlt | | add source to search, add id path move and perform
1885
# | | | diff check on source-target
1886
# r | fdlt | a | dangling file that was present in the basis.
1888
# r | a | | add source to search
1890
# r | r | | this path is present in a non-examined tree, skip.
1891
# r | r | a | this path is present in a non-examined tree, skip.
1892
# a | fdlt | | add new id
1893
# a | fdlt | a | dangling locally added file, skip
1894
# a | a | | not present in either tree, skip
1895
# a | a | a | not present in any tree, skip
1896
# a | r | | not present in either tree at this path, skip as it
1897
# | | | may not be selected by the users list of paths.
1898
# a | r | a | not present in either tree at this path, skip as it
1899
# | | | may not be selected by the users list of paths.
1900
# fdlt | fdlt | | content in both: diff them
1901
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1902
# fdlt | a | | unversioned: output deleted id for now
1903
# fdlt | a | a | unversioned and deleted: output deleted id
1904
# fdlt | r | | relocated in this tree, so add target to search.
1905
# | | | Dont diff, we will see an r,fd; pair when we reach
1906
# | | | this id at the other path.
1907
# fdlt | r | a | relocated in this tree, so add target to search.
1908
# | | | Dont diff, we will see an r,fd; pair when we reach
1909
# | | | this id at the other path.
1911
# for all search_indexs in each path at or under each element of
1912
# search_specific_files, if the detail is relocated: add the id, and add the
1913
# relocated path as one to search if its not searched already. If the
1914
# detail is not relocated, add the id.
1915
searched_specific_files = set()
1916
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1917
# Using a list so that we can access the values and change them in
1918
# nested scope. Each one is [path, file_id, entry]
1919
last_source_parent = [None, None]
1920
last_target_parent = [None, None]
1922
use_filesystem_for_exec = (sys.platform != 'win32')
1924
# Just a sentry, so that _process_entry can say that this
1925
# record is handled, but isn't interesting to process (unchanged)
1926
uninteresting = object()
1929
old_dirname_to_file_id = {}
1930
new_dirname_to_file_id = {}
1931
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1932
# keeping a cache of directories that we have seen.
1934
def _process_entry(entry, path_info):
1935
"""Compare an entry and real disk to generate delta information.
1937
:param path_info: top_relpath, basename, kind, lstat, abspath for
1938
the path of entry. If None, then the path is considered absent.
1939
(Perhaps we should pass in a concrete entry for this ?)
1940
Basename is returned as a utf8 string because we expect this
1941
tuple will be ignored, and don't want to take the time to
1943
:return: None if these don't match
1944
A tuple of information about the change, or
1945
the object 'uninteresting' if these match, but are
1946
basically identical.
1948
if source_index is None:
1949
source_details = NULL_PARENT_DETAILS
1951
source_details = entry[1][source_index]
1952
target_details = entry[1][target_index]
1953
target_minikind = target_details[0]
1954
if path_info is not None and target_minikind in 'fdlt':
1955
assert target_index == 0
1956
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1957
stat_value=path_info[3])
1958
# The entry may have been modified by update_entry
1959
target_details = entry[1][target_index]
1960
target_minikind = target_details[0]
1963
file_id = entry[0][2]
1964
source_minikind = source_details[0]
1965
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1966
# claimed content in both: diff
1967
# r | fdlt | | add source to search, add id path move and perform
1968
# | | | diff check on source-target
1969
# r | fdlt | a | dangling file that was present in the basis.
1971
if source_minikind in 'r':
1972
# add the source to the search path to find any children it
1973
# has. TODO ? : only add if it is a container ?
1974
if not osutils.is_inside_any(searched_specific_files,
1976
search_specific_files.add(source_details[1])
1977
# generate the old path; this is needed for stating later
1979
old_path = source_details[1]
1980
old_dirname, old_basename = os.path.split(old_path)
1981
path = pathjoin(entry[0][0], entry[0][1])
1982
old_entry = state._get_entry(source_index,
1984
# update the source details variable to be the real
1986
if old_entry == (None, None):
1987
raise errors.CorruptDirstate(state._filename,
1988
"entry '%s/%s' is considered renamed from %r"
1989
" but source does not exist\n"
1990
"entry: %s" % (entry[0][0], entry[0][1], old_path, entry))
1991
source_details = old_entry[1][source_index]
1992
source_minikind = source_details[0]
1994
old_dirname = entry[0][0]
1995
old_basename = entry[0][1]
1996
old_path = path = None
1997
if path_info is None:
1998
# the file is missing on disk, show as removed.
1999
content_change = True
2003
# source and target are both versioned and disk file is present.
2004
target_kind = path_info[2]
2005
if target_kind == 'directory':
2007
old_path = path = pathjoin(old_dirname, old_basename)
2008
new_dirname_to_file_id[path] = file_id
2009
if source_minikind != 'd':
2010
content_change = True
2012
# directories have no fingerprint
2013
content_change = False
2015
elif target_kind == 'file':
2016
if source_minikind != 'f':
2017
content_change = True
2019
# We could check the size, but we already have the
2021
content_change = (link_or_sha1 != source_details[1])
2022
# Target details is updated at update_entry time
2023
if use_filesystem_for_exec:
2024
# We don't need S_ISREG here, because we are sure
2025
# we are dealing with a file.
2026
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
2028
target_exec = target_details[3]
2029
elif target_kind == 'symlink':
2030
if source_minikind != 'l':
2031
content_change = True
2033
content_change = (link_or_sha1 != source_details[1])
2035
elif target_kind == 'tree-reference':
2036
if source_minikind != 't':
2037
content_change = True
2039
content_change = False
2042
raise Exception, "unknown kind %s" % path_info[2]
2043
if source_minikind == 'd':
2045
old_path = path = pathjoin(old_dirname, old_basename)
2046
old_dirname_to_file_id[old_path] = file_id
2047
# parent id is the entry for the path in the target tree
2048
if old_dirname == last_source_parent[0]:
2049
source_parent_id = last_source_parent[1]
2052
source_parent_id = old_dirname_to_file_id[old_dirname]
2054
source_parent_entry = state._get_entry(source_index,
2055
path_utf8=old_dirname)
2056
source_parent_id = source_parent_entry[0][2]
2057
if source_parent_id == entry[0][2]:
2058
# This is the root, so the parent is None
2059
source_parent_id = None
2061
last_source_parent[0] = old_dirname
2062
last_source_parent[1] = source_parent_id
2063
new_dirname = entry[0][0]
2064
if new_dirname == last_target_parent[0]:
2065
target_parent_id = last_target_parent[1]
2068
target_parent_id = new_dirname_to_file_id[new_dirname]
2070
# TODO: We don't always need to do the lookup, because the
2071
# parent entry will be the same as the source entry.
2072
target_parent_entry = state._get_entry(target_index,
2073
path_utf8=new_dirname)
2074
assert target_parent_entry != (None, None), (
2075
"Could not find target parent in wt: %s\nparent of: %s"
2076
% (new_dirname, entry))
2077
target_parent_id = target_parent_entry[0][2]
2078
if target_parent_id == entry[0][2]:
2079
# This is the root, so the parent is None
2080
target_parent_id = None
2082
last_target_parent[0] = new_dirname
2083
last_target_parent[1] = target_parent_id
2085
source_exec = source_details[3]
2086
if (include_unchanged
2088
or source_parent_id != target_parent_id
2089
or old_basename != entry[0][1]
2090
or source_exec != target_exec
2092
if old_path is None:
2093
old_path = path = pathjoin(old_dirname, old_basename)
2094
old_path_u = utf8_decode(old_path)[0]
2097
old_path_u = utf8_decode(old_path)[0]
2098
if old_path == path:
2101
path_u = utf8_decode(path)[0]
2102
source_kind = _minikind_to_kind[source_minikind]
2103
return (entry[0][2],
2104
(old_path_u, path_u),
2107
(source_parent_id, target_parent_id),
2108
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2109
(source_kind, target_kind),
2110
(source_exec, target_exec))
2112
return uninteresting
2113
elif source_minikind in 'a' and target_minikind in 'fdlt':
2114
# looks like a new file
2115
if path_info is not None:
2116
path = pathjoin(entry[0][0], entry[0][1])
2117
# parent id is the entry for the path in the target tree
2118
# TODO: these are the same for an entire directory: cache em.
2119
parent_id = state._get_entry(target_index,
2120
path_utf8=entry[0][0])[0][2]
2121
if parent_id == entry[0][2]:
2123
if use_filesystem_for_exec:
2124
# We need S_ISREG here, because we aren't sure if this
2127
stat.S_ISREG(path_info[3].st_mode)
2128
and stat.S_IEXEC & path_info[3].st_mode)
2130
target_exec = target_details[3]
2131
return (entry[0][2],
2132
(None, utf8_decode(path)[0]),
2136
(None, utf8_decode(entry[0][1])[0]),
2137
(None, path_info[2]),
2138
(None, target_exec))
2140
# but its not on disk: we deliberately treat this as just
2141
# never-present. (Why ?! - RBC 20070224)
2143
elif source_minikind in 'fdlt' and target_minikind in 'a':
2144
# unversioned, possibly, or possibly not deleted: we dont care.
2145
# if its still on disk, *and* theres no other entry at this
2146
# path [we dont know this in this routine at the moment -
2147
# perhaps we should change this - then it would be an unknown.
2148
old_path = pathjoin(entry[0][0], entry[0][1])
2149
# parent id is the entry for the path in the target tree
2150
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2151
if parent_id == entry[0][2]:
2153
return (entry[0][2],
2154
(utf8_decode(old_path)[0], None),
2158
(utf8_decode(entry[0][1])[0], None),
2159
(_minikind_to_kind[source_minikind], None),
2160
(source_details[3], None))
2161
elif source_minikind in 'fdlt' and target_minikind in 'r':
2162
# a rename; could be a true rename, or a rename inherited from
2163
# a renamed parent. TODO: handle this efficiently. Its not
2164
# common case to rename dirs though, so a correct but slow
2165
# implementation will do.
2166
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2167
search_specific_files.add(target_details[1])
2168
elif source_minikind in 'ra' and target_minikind in 'ra':
2169
# neither of the selected trees contain this file,
2170
# so skip over it. This is not currently directly tested, but
2171
# is indirectly via test_too_much.TestCommands.test_conflicts.
2174
raise AssertionError("don't know how to compare "
2175
"source_minikind=%r, target_minikind=%r"
2176
% (source_minikind, target_minikind))
2177
## import pdb;pdb.set_trace()
2180
while search_specific_files:
2181
# TODO: the pending list should be lexically sorted? the
2182
# interface doesn't require it.
2183
current_root = search_specific_files.pop()
2184
current_root_unicode = current_root.decode('utf8')
2185
searched_specific_files.add(current_root)
2186
# process the entries for this containing directory: the rest will be
2187
# found by their parents recursively.
2188
root_entries = _entries_for_path(current_root)
2189
root_abspath = self.target.abspath(current_root_unicode)
2191
root_stat = os.lstat(root_abspath)
2193
if e.errno == errno.ENOENT:
2194
# the path does not exist: let _process_entry know that.
2195
root_dir_info = None
2197
# some other random error: hand it up.
2200
root_dir_info = ('', current_root,
2201
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2203
if root_dir_info[2] == 'directory':
2204
if self.target._directory_is_tree_reference(
2205
current_root.decode('utf8')):
2206
root_dir_info = root_dir_info[:2] + \
2207
('tree-reference',) + root_dir_info[3:]
2209
if not root_entries and not root_dir_info:
2210
# this specified path is not present at all, skip it.
2212
path_handled = False
2213
for entry in root_entries:
2214
result = _process_entry(entry, root_dir_info)
2215
if result is not None:
2217
if result is not uninteresting:
2219
if want_unversioned and not path_handled and root_dir_info:
2220
new_executable = bool(
2221
stat.S_ISREG(root_dir_info[3].st_mode)
2222
and stat.S_IEXEC & root_dir_info[3].st_mode)
2224
(None, current_root_unicode),
2228
(None, splitpath(current_root_unicode)[-1]),
2229
(None, root_dir_info[2]),
2230
(None, new_executable)
2232
initial_key = (current_root, '', '')
2233
block_index, _ = state._find_block_index_from_key(initial_key)
2234
if block_index == 0:
2235
# we have processed the total root already, but because the
2236
# initial key matched it we should skip it here.
2238
if root_dir_info and root_dir_info[2] == 'tree-reference':
2239
current_dir_info = None
2241
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2243
current_dir_info = dir_iterator.next()
2245
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2246
# python 2.5 has e.errno == EINVAL,
2247
# and e.winerror == ERROR_DIRECTORY
2248
e_winerror = getattr(e, 'winerror', None)
2249
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2250
# there may be directories in the inventory even though
2251
# this path is not a file on disk: so mark it as end of
2253
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2254
current_dir_info = None
2255
elif (sys.platform == 'win32'
2256
and (e.errno in win_errors
2257
or e_winerror in win_errors)):
2258
current_dir_info = None
2262
if current_dir_info[0][0] == '':
2263
# remove .bzr from iteration
2264
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2265
assert current_dir_info[1][bzr_index][0] == '.bzr'
2266
del current_dir_info[1][bzr_index]
2267
# walk until both the directory listing and the versioned metadata
2269
if (block_index < len(state._dirblocks) and
2270
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2271
current_block = state._dirblocks[block_index]
2273
current_block = None
2274
while (current_dir_info is not None or
2275
current_block is not None):
2276
if (current_dir_info and current_block
2277
and current_dir_info[0][0] != current_block[0]):
2278
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2279
# filesystem data refers to paths not covered by the dirblock.
2280
# this has two possibilities:
2281
# A) it is versioned but empty, so there is no block for it
2282
# B) it is not versioned.
2284
# if (A) then we need to recurse into it to check for
2285
# new unknown files or directories.
2286
# if (B) then we should ignore it, because we don't
2287
# recurse into unknown directories.
2289
while path_index < len(current_dir_info[1]):
2290
current_path_info = current_dir_info[1][path_index]
2291
if want_unversioned:
2292
if current_path_info[2] == 'directory':
2293
if self.target._directory_is_tree_reference(
2294
current_path_info[0].decode('utf8')):
2295
current_path_info = current_path_info[:2] + \
2296
('tree-reference',) + current_path_info[3:]
2297
new_executable = bool(
2298
stat.S_ISREG(current_path_info[3].st_mode)
2299
and stat.S_IEXEC & current_path_info[3].st_mode)
2301
(None, utf8_decode(current_path_info[0])[0]),
2305
(None, utf8_decode(current_path_info[1])[0]),
2306
(None, current_path_info[2]),
2307
(None, new_executable))
2308
# dont descend into this unversioned path if it is
2310
if current_path_info[2] in ('directory',
2312
del current_dir_info[1][path_index]
2316
# This dir info has been handled, go to the next
2318
current_dir_info = dir_iterator.next()
2319
except StopIteration:
2320
current_dir_info = None
2322
# We have a dirblock entry for this location, but there
2323
# is no filesystem path for this. This is most likely
2324
# because a directory was removed from the disk.
2325
# We don't have to report the missing directory,
2326
# because that should have already been handled, but we
2327
# need to handle all of the files that are contained
2329
for current_entry in current_block[1]:
2330
# entry referring to file not present on disk.
2331
# advance the entry only, after processing.
2332
result = _process_entry(current_entry, None)
2333
if result is not None:
2334
if result is not uninteresting:
2337
if (block_index < len(state._dirblocks) and
2338
osutils.is_inside(current_root,
2339
state._dirblocks[block_index][0])):
2340
current_block = state._dirblocks[block_index]
2342
current_block = None
2345
if current_block and entry_index < len(current_block[1]):
2346
current_entry = current_block[1][entry_index]
2348
current_entry = None
2349
advance_entry = True
2351
if current_dir_info and path_index < len(current_dir_info[1]):
2352
current_path_info = current_dir_info[1][path_index]
2353
if current_path_info[2] == 'directory':
2354
if self.target._directory_is_tree_reference(
2355
current_path_info[0].decode('utf8')):
2356
current_path_info = current_path_info[:2] + \
2357
('tree-reference',) + current_path_info[3:]
2359
current_path_info = None
2361
path_handled = False
2362
while (current_entry is not None or
2363
current_path_info is not None):
2364
if current_entry is None:
2365
# the check for path_handled when the path is adnvaced
2366
# will yield this path if needed.
2368
elif current_path_info is None:
2369
# no path is fine: the per entry code will handle it.
2370
result = _process_entry(current_entry, current_path_info)
2371
if result is not None:
2372
if result is not uninteresting:
2374
elif (current_entry[0][1] != current_path_info[1]
2375
or current_entry[1][target_index][0] in 'ar'):
2376
# The current path on disk doesn't match the dirblock
2377
# record. Either the dirblock is marked as absent, or
2378
# the file on disk is not present at all in the
2379
# dirblock. Either way, report about the dirblock
2380
# entry, and let other code handle the filesystem one.
2382
# Compare the basename for these files to determine
2384
if current_path_info[1] < current_entry[0][1]:
2385
# extra file on disk: pass for now, but only
2386
# increment the path, not the entry
2387
advance_entry = False
2389
# entry referring to file not present on disk.
2390
# advance the entry only, after processing.
2391
result = _process_entry(current_entry, None)
2392
if result is not None:
2393
if result is not uninteresting:
2395
advance_path = False
2397
result = _process_entry(current_entry, current_path_info)
2398
if result is not None:
2400
if result is not uninteresting:
2402
if advance_entry and current_entry is not None:
2404
if entry_index < len(current_block[1]):
2405
current_entry = current_block[1][entry_index]
2407
current_entry = None
2409
advance_entry = True # reset the advance flaga
2410
if advance_path and current_path_info is not None:
2411
if not path_handled:
2412
# unversioned in all regards
2413
if want_unversioned:
2414
new_executable = bool(
2415
stat.S_ISREG(current_path_info[3].st_mode)
2416
and stat.S_IEXEC & current_path_info[3].st_mode)
2418
(None, utf8_decode(current_path_info[0])[0]),
2422
(None, utf8_decode(current_path_info[1])[0]),
2423
(None, current_path_info[2]),
2424
(None, new_executable))
2425
# dont descend into this unversioned path if it is
2427
if current_path_info[2] in ('directory'):
2428
del current_dir_info[1][path_index]
2430
# dont descend the disk iterator into any tree
2432
if current_path_info[2] == 'tree-reference':
2433
del current_dir_info[1][path_index]
2436
if path_index < len(current_dir_info[1]):
2437
current_path_info = current_dir_info[1][path_index]
2438
if current_path_info[2] == 'directory':
2439
if self.target._directory_is_tree_reference(
2440
current_path_info[0].decode('utf8')):
2441
current_path_info = current_path_info[:2] + \
2442
('tree-reference',) + current_path_info[3:]
2444
current_path_info = None
2445
path_handled = False
2447
advance_path = True # reset the advance flagg.
2448
if current_block is not None:
2450
if (block_index < len(state._dirblocks) and
2451
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2452
current_block = state._dirblocks[block_index]
2454
current_block = None
2455
if current_dir_info is not None:
2457
current_dir_info = dir_iterator.next()
2458
except StopIteration:
2459
current_dir_info = None
2463
def is_compatible(source, target):
2464
# the target must be a dirstate working tree
2465
if not isinstance(target, WorkingTree4):
2467
# the source must be a revtreee or dirstate rev tree.
2468
if not isinstance(source,
2469
(revisiontree.RevisionTree, DirStateRevisionTree)):
2471
# the source revid must be in the target dirstate
2472
if not (source._revision_id == NULL_REVISION or
2473
source._revision_id in target.get_parent_ids()):
2474
# TODO: what about ghosts? it may well need to
2475
# check for them explicitly.
2479
InterTree.register_optimiser(InterDirStateTree)
2482
class Converter3to4(object):
2483
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2486
self.target_format = WorkingTreeFormat4()
2488
def convert(self, tree):
2489
# lock the control files not the tree, so that we dont get tree
2490
# on-unlock behaviours, and so that noone else diddles with the
2491
# tree during upgrade.
2492
tree._control_files.lock_write()
2494
tree.read_working_inventory()
2495
self.create_dirstate_data(tree)
2496
self.update_format(tree)
2497
self.remove_xml_files(tree)
2499
tree._control_files.unlock()
2501
def create_dirstate_data(self, tree):
2502
"""Create the dirstate based data for tree."""
2503
local_path = tree.bzrdir.get_workingtree_transport(None
2504
).local_abspath('dirstate')
2505
state = dirstate.DirState.from_tree(tree, local_path)
2509
def remove_xml_files(self, tree):
2510
"""Remove the oldformat 3 data."""
2511
transport = tree.bzrdir.get_workingtree_transport(None)
2512
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2513
'pending-merges', 'stat-cache']:
2515
transport.delete(path)
2516
except errors.NoSuchFile:
2517
# some files are optional - just deal.
2520
def update_format(self, tree):
2521
"""Change the format marker."""
2522
tree._control_files.put_utf8('format',
2523
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
