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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_id = to_entry[0][2]
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to_dir_ie = inv[to_dir_id]
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update_inventory = False
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def move_one(old_entry, from_path_utf8, minikind, executable,
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fingerprint, packed_stat, size,
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to_block, to_key, to_path_utf8):
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state._make_absent(old_entry)
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from_key = old_entry[0]
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lambda:state.update_minimal(from_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=from_path_utf8))
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state.update_minimal(to_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=to_path_utf8)
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added_entry_index, _ = state._find_entry_index(to_key, to_block[1])
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new_entry = to_block[1][added_entry_index]
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rollbacks.append(lambda:state._make_absent(new_entry))
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for from_rel in from_paths:
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# from_rel is 'pathinroot/foo/bar'
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from_rel_utf8 = from_rel.encode('utf8')
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from_dirname, from_tail = osutils.split(from_rel)
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from_dirname, from_tail_utf8 = osutils.split(from_rel_utf8)
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from_entry = self._get_entry(path=from_rel)
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if from_entry == (None, None):
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raise errors.BzrMoveFailedError(from_rel,to_dir,
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errors.NotVersionedError(path=str(from_rel)))
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from_id = from_entry[0][2]
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to_rel = pathjoin(to_dir, from_tail)
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to_rel_utf8 = pathjoin(to_dir_utf8, from_tail_utf8)
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item_to_entry = self._get_entry(path=to_rel)
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if item_to_entry != (None, None):
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Target is already versioned.")
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if from_rel == to_rel:
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Source and target are identical.")
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from_missing = not self.has_filename(from_rel)
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to_missing = not self.has_filename(to_rel)
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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errors.NoSuchFile(path=to_rel,
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extra="New file has not been created yet"))
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# neither path exists
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raise errors.BzrRenameFailedError(from_rel, to_rel,
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errors.PathsDoNotExist(paths=(from_rel, to_rel)))
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if from_missing: # implicitly just update our path mapping
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raise errors.RenameFailedFilesExist(from_rel, to_rel)
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def rollback_rename():
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(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
def _get_weave(self, file_id):
1556
return self._repository.weave_store.get_weave(file_id,
1557
self._repository.get_transaction())
1559
def get_file(self, file_id, path=None):
1560
return StringIO(self.get_file_text(file_id))
1562
def get_file_lines(self, file_id):
1563
entry = self._get_entry(file_id=file_id)[1]
1565
raise errors.NoSuchId(tree=self, file_id=file_id)
1566
return self._get_weave(file_id).get_lines(entry[1][4])
1568
def get_file_size(self, file_id):
1569
"""See Tree.get_file_size"""
1570
return self.inventory[file_id].text_size
1572
def get_file_text(self, file_id):
1573
return ''.join(self.get_file_lines(file_id))
1575
def get_reference_revision(self, file_id, path=None):
1576
return self.inventory[file_id].reference_revision
1578
def iter_files_bytes(self, desired_files):
1579
"""See Tree.iter_files_bytes.
1581
This version is implemented on top of Repository.iter_files_bytes"""
1582
parent_index = self._get_parent_index()
1583
repo_desired_files = []
1584
for file_id, identifier in desired_files:
1585
entry = self._get_entry(file_id)
1586
if entry == (None, None):
1587
raise errors.NoSuchId(self, file_id)
1588
repo_desired_files.append((file_id, entry[1][parent_index][4],
1590
return self._repository.iter_files_bytes(repo_desired_files)
1592
def get_symlink_target(self, file_id):
1593
entry = self._get_entry(file_id=file_id)
1594
parent_index = self._get_parent_index()
1595
if entry[1][parent_index][0] != 'l':
1598
# At present, none of the tree implementations supports non-ascii
1599
# symlink targets. So we will just assume that the dirstate path is
1601
return entry[1][parent_index][1]
1603
def get_revision_id(self):
1604
"""Return the revision id for this tree."""
1605
return self._revision_id
1607
def _get_inventory(self):
1608
if self._inventory is not None:
1609
return self._inventory
1610
self._must_be_locked()
1611
self._generate_inventory()
1612
return self._inventory
1614
inventory = property(_get_inventory,
1615
doc="Inventory of this Tree")
1617
def get_parent_ids(self):
1618
"""The parents of a tree in the dirstate are not cached."""
1619
return self._repository.get_revision(self._revision_id).parent_ids
1621
def has_filename(self, filename):
1622
return bool(self.path2id(filename))
1624
def kind(self, file_id):
1625
entry = self._get_entry(file_id=file_id)[1]
1627
raise errors.NoSuchId(tree=self, file_id=file_id)
1628
return dirstate.DirState._minikind_to_kind[entry[1][0]]
1630
def stored_kind(self, file_id):
1631
"""See Tree.stored_kind"""
1632
return self.kind(file_id)
1634
def path_content_summary(self, path):
1635
"""See Tree.path_content_summary."""
1636
id = self.inventory.path2id(path)
1638
return ('missing', None, None, None)
1639
entry = self._inventory[id]
1642
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1643
elif kind == 'symlink':
1644
return (kind, None, None, entry.symlink_target)
1646
return (kind, None, None, None)
1648
def is_executable(self, file_id, path=None):
1649
ie = self.inventory[file_id]
1650
if ie.kind != "file":
1652
return ie.executable
1654
def list_files(self, include_root=False):
1655
# We use a standard implementation, because DirStateRevisionTree is
1656
# dealing with one of the parents of the current state
1657
inv = self._get_inventory()
1658
entries = inv.iter_entries()
1659
if self.inventory.root is not None and not include_root:
1661
for path, entry in entries:
1662
yield path, 'V', entry.kind, entry.file_id, entry
1664
def lock_read(self):
1665
"""Lock the tree for a set of operations."""
1666
if not self._locked:
1667
self._repository.lock_read()
1668
if self._dirstate._lock_token is None:
1669
self._dirstate.lock_read()
1670
self._dirstate_locked = True
1673
def _must_be_locked(self):
1674
if not self._locked:
1675
raise errors.ObjectNotLocked(self)
1678
def path2id(self, path):
1679
"""Return the id for path in this tree."""
1680
# lookup by path: faster than splitting and walking the ivnentory.
1681
entry = self._get_entry(path=path)
1682
if entry == (None, None):
1687
"""Unlock, freeing any cache memory used during the lock."""
1688
# outside of a lock, the inventory is suspect: release it.
1690
if not self._locked:
1691
self._inventory = None
1693
if self._dirstate_locked:
1694
self._dirstate.unlock()
1695
self._dirstate_locked = False
1696
self._repository.unlock()
1698
def walkdirs(self, prefix=""):
1699
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1700
# implementation based on an inventory.
1701
# This should be cleaned up to use the much faster Dirstate code
1702
# So for now, we just build up the parent inventory, and extract
1703
# it the same way RevisionTree does.
1704
_directory = 'directory'
1705
inv = self._get_inventory()
1706
top_id = inv.path2id(prefix)
1710
pending = [(prefix, top_id)]
1713
relpath, file_id = pending.pop()
1714
# 0 - relpath, 1- file-id
1716
relroot = relpath + '/'
1719
# FIXME: stash the node in pending
1720
entry = inv[file_id]
1721
for name, child in entry.sorted_children():
1722
toppath = relroot + name
1723
dirblock.append((toppath, name, child.kind, None,
1724
child.file_id, child.kind
1726
yield (relpath, entry.file_id), dirblock
1727
# push the user specified dirs from dirblock
1728
for dir in reversed(dirblock):
1729
if dir[2] == _directory:
1730
pending.append((dir[0], dir[4]))
1733
class InterDirStateTree(InterTree):
1734
"""Fast path optimiser for changes_from with dirstate trees.
1736
This is used only when both trees are in the dirstate working file, and
1737
the source is any parent within the dirstate, and the destination is
1738
the current working tree of the same dirstate.
1740
# this could be generalized to allow comparisons between any trees in the
1741
# dirstate, and possibly between trees stored in different dirstates.
1743
def __init__(self, source, target):
1744
super(InterDirStateTree, self).__init__(source, target)
1745
if not InterDirStateTree.is_compatible(source, target):
1746
raise Exception, "invalid source %r and target %r" % (source, target)
1749
def make_source_parent_tree(source, target):
1750
"""Change the source tree into a parent of the target."""
1751
revid = source.commit('record tree')
1752
target.branch.repository.fetch(source.branch.repository, revid)
1753
target.set_parent_ids([revid])
1754
return target.basis_tree(), target
1756
_matching_from_tree_format = WorkingTreeFormat4()
1757
_matching_to_tree_format = WorkingTreeFormat4()
1758
_test_mutable_trees_to_test_trees = make_source_parent_tree
1760
def iter_changes(self, include_unchanged=False,
1761
specific_files=None, pb=None, extra_trees=[],
1762
require_versioned=True, want_unversioned=False):
1763
"""Return the changes from source to target.
1765
:return: An iterator that yields tuples. See InterTree.iter_changes
1767
:param specific_files: An optional list of file paths to restrict the
1768
comparison to. When mapping filenames to ids, all matches in all
1769
trees (including optional extra_trees) are used, and all children of
1770
matched directories are included.
1771
:param include_unchanged: An optional boolean requesting the inclusion of
1772
unchanged entries in the result.
1773
:param extra_trees: An optional list of additional trees to use when
1774
mapping the contents of specific_files (paths) to file_ids.
1775
:param require_versioned: If True, all files in specific_files must be
1776
versioned in one of source, target, extra_trees or
1777
PathsNotVersionedError is raised.
1778
:param want_unversioned: Should unversioned files be returned in the
1779
output. An unversioned file is defined as one with (False, False)
1780
for the versioned pair.
1782
utf8_decode = cache_utf8._utf8_decode
1783
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1784
cmp_by_dirs = dirstate.cmp_by_dirs
1785
# NB: show_status depends on being able to pass in non-versioned files
1786
# and report them as unknown
1787
# TODO: handle extra trees in the dirstate.
1788
if (extra_trees or specific_files == []):
1789
# we can't fast-path these cases (yet)
1790
for f in super(InterDirStateTree, self).iter_changes(
1791
include_unchanged, specific_files, pb, extra_trees,
1792
require_versioned, want_unversioned=want_unversioned):
1795
parent_ids = self.target.get_parent_ids()
1796
assert (self.source._revision_id in parent_ids
1797
or self.source._revision_id == NULL_REVISION), \
1798
"revision {%s} is not stored in {%s}, but %s " \
1799
"can only be used for trees stored in the dirstate" \
1800
% (self.source._revision_id, self.target, self.iter_changes)
1802
if self.source._revision_id == NULL_REVISION:
1804
indices = (target_index,)
1806
assert (self.source._revision_id in parent_ids), \
1807
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1808
self.source._revision_id, parent_ids)
1809
source_index = 1 + parent_ids.index(self.source._revision_id)
1810
indices = (source_index, target_index)
1811
# -- make all specific_files utf8 --
1813
specific_files_utf8 = set()
1814
for path in specific_files:
1815
specific_files_utf8.add(path.encode('utf8'))
1816
specific_files = specific_files_utf8
1818
specific_files = set([''])
1819
# -- specific_files is now a utf8 path set --
1820
# -- get the state object and prepare it.
1821
state = self.target.current_dirstate()
1822
state._read_dirblocks_if_needed()
1823
def _entries_for_path(path):
1824
"""Return a list with all the entries that match path for all ids.
1826
dirname, basename = os.path.split(path)
1827
key = (dirname, basename, '')
1828
block_index, present = state._find_block_index_from_key(key)
1830
# the block which should contain path is absent.
1833
block = state._dirblocks[block_index][1]
1834
entry_index, _ = state._find_entry_index(key, block)
1835
# we may need to look at multiple entries at this path: walk while the specific_files match.
1836
while (entry_index < len(block) and
1837
block[entry_index][0][0:2] == key[0:2]):
1838
result.append(block[entry_index])
1841
if require_versioned:
1842
# -- check all supplied paths are versioned in a search tree. --
1843
all_versioned = True
1844
for path in specific_files:
1845
path_entries = _entries_for_path(path)
1846
if not path_entries:
1847
# this specified path is not present at all: error
1848
all_versioned = False
1850
found_versioned = False
1851
# for each id at this path
1852
for entry in path_entries:
1854
for index in indices:
1855
if entry[1][index][0] != 'a': # absent
1856
found_versioned = True
1857
# all good: found a versioned cell
1859
if not found_versioned:
1860
# none of the indexes was not 'absent' at all ids for this
1862
all_versioned = False
1864
if not all_versioned:
1865
raise errors.PathsNotVersionedError(specific_files)
1866
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1867
search_specific_files = set()
1868
for path in specific_files:
1869
other_specific_files = specific_files.difference(set([path]))
1870
if not osutils.is_inside_any(other_specific_files, path):
1871
# this is a top level path, we must check it.
1872
search_specific_files.add(path)
1874
# compare source_index and target_index at or under each element of search_specific_files.
1875
# follow the following comparison table. Note that we only want to do diff operations when
1876
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1880
# Source | Target | disk | action
1881
# r | fdlt | | add source to search, add id path move and perform
1882
# | | | diff check on source-target
1883
# r | fdlt | a | dangling file that was present in the basis.
1885
# r | a | | add source to search
1887
# r | r | | this path is present in a non-examined tree, skip.
1888
# r | r | a | this path is present in a non-examined tree, skip.
1889
# a | fdlt | | add new id
1890
# a | fdlt | a | dangling locally added file, skip
1891
# a | a | | not present in either tree, skip
1892
# a | a | a | not present in any tree, skip
1893
# a | r | | not present in either tree at this path, skip as it
1894
# | | | may not be selected by the users list of paths.
1895
# a | r | a | not present in either tree at this path, skip as it
1896
# | | | may not be selected by the users list of paths.
1897
# fdlt | fdlt | | content in both: diff them
1898
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1899
# fdlt | a | | unversioned: output deleted id for now
1900
# fdlt | a | a | unversioned and deleted: output deleted id
1901
# fdlt | r | | relocated in this tree, so add target to search.
1902
# | | | Dont diff, we will see an r,fd; pair when we reach
1903
# | | | this id at the other path.
1904
# fdlt | r | a | 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.
1908
# for all search_indexs in each path at or under each element of
1909
# search_specific_files, if the detail is relocated: add the id, and add the
1910
# relocated path as one to search if its not searched already. If the
1911
# detail is not relocated, add the id.
1912
searched_specific_files = set()
1913
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1914
# Using a list so that we can access the values and change them in
1915
# nested scope. Each one is [path, file_id, entry]
1916
last_source_parent = [None, None]
1917
last_target_parent = [None, None]
1919
use_filesystem_for_exec = (sys.platform != 'win32')
1921
# Just a sentry, so that _process_entry can say that this
1922
# record is handled, but isn't interesting to process (unchanged)
1923
uninteresting = object()
1926
old_dirname_to_file_id = {}
1927
new_dirname_to_file_id = {}
1928
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1929
# keeping a cache of directories that we have seen.
1931
def _process_entry(entry, path_info):
1932
"""Compare an entry and real disk to generate delta information.
1934
:param path_info: top_relpath, basename, kind, lstat, abspath for
1935
the path of entry. If None, then the path is considered absent.
1936
(Perhaps we should pass in a concrete entry for this ?)
1937
Basename is returned as a utf8 string because we expect this
1938
tuple will be ignored, and don't want to take the time to
1940
:return: None if these don't match
1941
A tuple of information about the change, or
1942
the object 'uninteresting' if these match, but are
1943
basically identical.
1945
if source_index is None:
1946
source_details = NULL_PARENT_DETAILS
1948
source_details = entry[1][source_index]
1949
target_details = entry[1][target_index]
1950
target_minikind = target_details[0]
1951
if path_info is not None and target_minikind in 'fdlt':
1952
assert target_index == 0
1953
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1954
stat_value=path_info[3])
1955
# The entry may have been modified by update_entry
1956
target_details = entry[1][target_index]
1957
target_minikind = target_details[0]
1960
file_id = entry[0][2]
1961
source_minikind = source_details[0]
1962
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1963
# claimed content in both: diff
1964
# r | fdlt | | add source to search, add id path move and perform
1965
# | | | diff check on source-target
1966
# r | fdlt | a | dangling file that was present in the basis.
1968
if source_minikind in 'r':
1969
# add the source to the search path to find any children it
1970
# has. TODO ? : only add if it is a container ?
1971
if not osutils.is_inside_any(searched_specific_files,
1973
search_specific_files.add(source_details[1])
1974
# generate the old path; this is needed for stating later
1976
old_path = source_details[1]
1977
old_dirname, old_basename = os.path.split(old_path)
1978
path = pathjoin(entry[0][0], entry[0][1])
1979
old_entry = state._get_entry(source_index,
1981
# update the source details variable to be the real
1983
if old_entry == (None, None):
1984
raise errors.CorruptDirstate(state._filename,
1985
"entry '%s/%s' is considered renamed from %r"
1986
" but source does not exist\n"
1987
"entry: %s" % (entry[0][0], entry[0][1], old_path, entry))
1988
source_details = old_entry[1][source_index]
1989
source_minikind = source_details[0]
1991
old_dirname = entry[0][0]
1992
old_basename = entry[0][1]
1993
old_path = path = None
1994
if path_info is None:
1995
# the file is missing on disk, show as removed.
1996
content_change = True
2000
# source and target are both versioned and disk file is present.
2001
target_kind = path_info[2]
2002
if target_kind == 'directory':
2004
old_path = path = pathjoin(old_dirname, old_basename)
2005
new_dirname_to_file_id[path] = file_id
2006
if source_minikind != 'd':
2007
content_change = True
2009
# directories have no fingerprint
2010
content_change = False
2012
elif target_kind == 'file':
2013
if source_minikind != 'f':
2014
content_change = True
2016
# We could check the size, but we already have the
2018
content_change = (link_or_sha1 != source_details[1])
2019
# Target details is updated at update_entry time
2020
if use_filesystem_for_exec:
2021
# We don't need S_ISREG here, because we are sure
2022
# we are dealing with a file.
2023
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
2025
target_exec = target_details[3]
2026
elif target_kind == 'symlink':
2027
if source_minikind != 'l':
2028
content_change = True
2030
content_change = (link_or_sha1 != source_details[1])
2032
elif target_kind == 'tree-reference':
2033
if source_minikind != 't':
2034
content_change = True
2036
content_change = False
2039
raise Exception, "unknown kind %s" % path_info[2]
2040
if source_minikind == 'd':
2042
old_path = path = pathjoin(old_dirname, old_basename)
2043
old_dirname_to_file_id[old_path] = file_id
2044
# parent id is the entry for the path in the target tree
2045
if old_dirname == last_source_parent[0]:
2046
source_parent_id = last_source_parent[1]
2049
source_parent_id = old_dirname_to_file_id[old_dirname]
2051
source_parent_entry = state._get_entry(source_index,
2052
path_utf8=old_dirname)
2053
source_parent_id = source_parent_entry[0][2]
2054
if source_parent_id == entry[0][2]:
2055
# This is the root, so the parent is None
2056
source_parent_id = None
2058
last_source_parent[0] = old_dirname
2059
last_source_parent[1] = source_parent_id
2060
new_dirname = entry[0][0]
2061
if new_dirname == last_target_parent[0]:
2062
target_parent_id = last_target_parent[1]
2065
target_parent_id = new_dirname_to_file_id[new_dirname]
2067
# TODO: We don't always need to do the lookup, because the
2068
# parent entry will be the same as the source entry.
2069
target_parent_entry = state._get_entry(target_index,
2070
path_utf8=new_dirname)
2071
assert target_parent_entry != (None, None), (
2072
"Could not find target parent in wt: %s\nparent of: %s"
2073
% (new_dirname, entry))
2074
target_parent_id = target_parent_entry[0][2]
2075
if target_parent_id == entry[0][2]:
2076
# This is the root, so the parent is None
2077
target_parent_id = None
2079
last_target_parent[0] = new_dirname
2080
last_target_parent[1] = target_parent_id
2082
source_exec = source_details[3]
2083
if (include_unchanged
2085
or source_parent_id != target_parent_id
2086
or old_basename != entry[0][1]
2087
or source_exec != target_exec
2089
if old_path is None:
2090
old_path = path = pathjoin(old_dirname, old_basename)
2091
old_path_u = utf8_decode(old_path)[0]
2094
old_path_u = utf8_decode(old_path)[0]
2095
if old_path == path:
2098
path_u = utf8_decode(path)[0]
2099
source_kind = _minikind_to_kind[source_minikind]
2100
return (entry[0][2],
2101
(old_path_u, path_u),
2104
(source_parent_id, target_parent_id),
2105
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2106
(source_kind, target_kind),
2107
(source_exec, target_exec))
2109
return uninteresting
2110
elif source_minikind in 'a' and target_minikind in 'fdlt':
2111
# looks like a new file
2112
if path_info is not None:
2113
path = pathjoin(entry[0][0], entry[0][1])
2114
# parent id is the entry for the path in the target tree
2115
# TODO: these are the same for an entire directory: cache em.
2116
parent_id = state._get_entry(target_index,
2117
path_utf8=entry[0][0])[0][2]
2118
if parent_id == entry[0][2]:
2120
if use_filesystem_for_exec:
2121
# We need S_ISREG here, because we aren't sure if this
2124
stat.S_ISREG(path_info[3].st_mode)
2125
and stat.S_IEXEC & path_info[3].st_mode)
2127
target_exec = target_details[3]
2128
return (entry[0][2],
2129
(None, utf8_decode(path)[0]),
2133
(None, utf8_decode(entry[0][1])[0]),
2134
(None, path_info[2]),
2135
(None, target_exec))
2137
# but its not on disk: we deliberately treat this as just
2138
# never-present. (Why ?! - RBC 20070224)
2140
elif source_minikind in 'fdlt' and target_minikind in 'a':
2141
# unversioned, possibly, or possibly not deleted: we dont care.
2142
# if its still on disk, *and* theres no other entry at this
2143
# path [we dont know this in this routine at the moment -
2144
# perhaps we should change this - then it would be an unknown.
2145
old_path = pathjoin(entry[0][0], entry[0][1])
2146
# parent id is the entry for the path in the target tree
2147
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2148
if parent_id == entry[0][2]:
2150
return (entry[0][2],
2151
(utf8_decode(old_path)[0], None),
2155
(utf8_decode(entry[0][1])[0], None),
2156
(_minikind_to_kind[source_minikind], None),
2157
(source_details[3], None))
2158
elif source_minikind in 'fdlt' and target_minikind in 'r':
2159
# a rename; could be a true rename, or a rename inherited from
2160
# a renamed parent. TODO: handle this efficiently. Its not
2161
# common case to rename dirs though, so a correct but slow
2162
# implementation will do.
2163
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2164
search_specific_files.add(target_details[1])
2165
elif source_minikind in 'ra' and target_minikind in 'ra':
2166
# neither of the selected trees contain this file,
2167
# so skip over it. This is not currently directly tested, but
2168
# is indirectly via test_too_much.TestCommands.test_conflicts.
2171
raise AssertionError("don't know how to compare "
2172
"source_minikind=%r, target_minikind=%r"
2173
% (source_minikind, target_minikind))
2174
## import pdb;pdb.set_trace()
2177
while search_specific_files:
2178
# TODO: the pending list should be lexically sorted? the
2179
# interface doesn't require it.
2180
current_root = search_specific_files.pop()
2181
current_root_unicode = current_root.decode('utf8')
2182
searched_specific_files.add(current_root)
2183
# process the entries for this containing directory: the rest will be
2184
# found by their parents recursively.
2185
root_entries = _entries_for_path(current_root)
2186
root_abspath = self.target.abspath(current_root_unicode)
2188
root_stat = os.lstat(root_abspath)
2190
if e.errno == errno.ENOENT:
2191
# the path does not exist: let _process_entry know that.
2192
root_dir_info = None
2194
# some other random error: hand it up.
2197
root_dir_info = ('', current_root,
2198
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2200
if root_dir_info[2] == 'directory':
2201
if self.target._directory_is_tree_reference(
2202
current_root.decode('utf8')):
2203
root_dir_info = root_dir_info[:2] + \
2204
('tree-reference',) + root_dir_info[3:]
2206
if not root_entries and not root_dir_info:
2207
# this specified path is not present at all, skip it.
2209
path_handled = False
2210
for entry in root_entries:
2211
result = _process_entry(entry, root_dir_info)
2212
if result is not None:
2214
if result is not uninteresting:
2216
if want_unversioned and not path_handled and root_dir_info:
2217
new_executable = bool(
2218
stat.S_ISREG(root_dir_info[3].st_mode)
2219
and stat.S_IEXEC & root_dir_info[3].st_mode)
2221
(None, current_root_unicode),
2225
(None, splitpath(current_root_unicode)[-1]),
2226
(None, root_dir_info[2]),
2227
(None, new_executable)
2229
initial_key = (current_root, '', '')
2230
block_index, _ = state._find_block_index_from_key(initial_key)
2231
if block_index == 0:
2232
# we have processed the total root already, but because the
2233
# initial key matched it we should skip it here.
2235
if root_dir_info and root_dir_info[2] == 'tree-reference':
2236
current_dir_info = None
2238
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2240
current_dir_info = dir_iterator.next()
2242
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2243
# python 2.5 has e.errno == EINVAL,
2244
# and e.winerror == ERROR_DIRECTORY
2245
e_winerror = getattr(e, 'winerror', None)
2246
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2247
# there may be directories in the inventory even though
2248
# this path is not a file on disk: so mark it as end of
2250
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2251
current_dir_info = None
2252
elif (sys.platform == 'win32'
2253
and (e.errno in win_errors
2254
or e_winerror in win_errors)):
2255
current_dir_info = None
2259
if current_dir_info[0][0] == '':
2260
# remove .bzr from iteration
2261
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2262
assert current_dir_info[1][bzr_index][0] == '.bzr'
2263
del current_dir_info[1][bzr_index]
2264
# walk until both the directory listing and the versioned metadata
2266
if (block_index < len(state._dirblocks) and
2267
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2268
current_block = state._dirblocks[block_index]
2270
current_block = None
2271
while (current_dir_info is not None or
2272
current_block is not None):
2273
if (current_dir_info and current_block
2274
and current_dir_info[0][0] != current_block[0]):
2275
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2276
# filesystem data refers to paths not covered by the dirblock.
2277
# this has two possibilities:
2278
# A) it is versioned but empty, so there is no block for it
2279
# B) it is not versioned.
2281
# if (A) then we need to recurse into it to check for
2282
# new unknown files or directories.
2283
# if (B) then we should ignore it, because we don't
2284
# recurse into unknown directories.
2286
while path_index < len(current_dir_info[1]):
2287
current_path_info = current_dir_info[1][path_index]
2288
if want_unversioned:
2289
if current_path_info[2] == 'directory':
2290
if self.target._directory_is_tree_reference(
2291
current_path_info[0].decode('utf8')):
2292
current_path_info = current_path_info[:2] + \
2293
('tree-reference',) + current_path_info[3:]
2294
new_executable = bool(
2295
stat.S_ISREG(current_path_info[3].st_mode)
2296
and stat.S_IEXEC & current_path_info[3].st_mode)
2298
(None, utf8_decode(current_path_info[0])[0]),
2302
(None, utf8_decode(current_path_info[1])[0]),
2303
(None, current_path_info[2]),
2304
(None, new_executable))
2305
# dont descend into this unversioned path if it is
2307
if current_path_info[2] in ('directory',
2309
del current_dir_info[1][path_index]
2313
# This dir info has been handled, go to the next
2315
current_dir_info = dir_iterator.next()
2316
except StopIteration:
2317
current_dir_info = None
2319
# We have a dirblock entry for this location, but there
2320
# is no filesystem path for this. This is most likely
2321
# because a directory was removed from the disk.
2322
# We don't have to report the missing directory,
2323
# because that should have already been handled, but we
2324
# need to handle all of the files that are contained
2326
for current_entry in current_block[1]:
2327
# entry referring to file not present on disk.
2328
# advance the entry only, after processing.
2329
result = _process_entry(current_entry, None)
2330
if result is not None:
2331
if result is not uninteresting:
2334
if (block_index < len(state._dirblocks) and
2335
osutils.is_inside(current_root,
2336
state._dirblocks[block_index][0])):
2337
current_block = state._dirblocks[block_index]
2339
current_block = None
2342
if current_block and entry_index < len(current_block[1]):
2343
current_entry = current_block[1][entry_index]
2345
current_entry = None
2346
advance_entry = True
2348
if current_dir_info and path_index < len(current_dir_info[1]):
2349
current_path_info = current_dir_info[1][path_index]
2350
if current_path_info[2] == 'directory':
2351
if self.target._directory_is_tree_reference(
2352
current_path_info[0].decode('utf8')):
2353
current_path_info = current_path_info[:2] + \
2354
('tree-reference',) + current_path_info[3:]
2356
current_path_info = None
2358
path_handled = False
2359
while (current_entry is not None or
2360
current_path_info is not None):
2361
if current_entry is None:
2362
# the check for path_handled when the path is adnvaced
2363
# will yield this path if needed.
2365
elif current_path_info is None:
2366
# no path is fine: the per entry code will handle it.
2367
result = _process_entry(current_entry, current_path_info)
2368
if result is not None:
2369
if result is not uninteresting:
2371
elif (current_entry[0][1] != current_path_info[1]
2372
or current_entry[1][target_index][0] in 'ar'):
2373
# The current path on disk doesn't match the dirblock
2374
# record. Either the dirblock is marked as absent, or
2375
# the file on disk is not present at all in the
2376
# dirblock. Either way, report about the dirblock
2377
# entry, and let other code handle the filesystem one.
2379
# Compare the basename for these files to determine
2381
if current_path_info[1] < current_entry[0][1]:
2382
# extra file on disk: pass for now, but only
2383
# increment the path, not the entry
2384
advance_entry = False
2386
# entry referring to file not present on disk.
2387
# advance the entry only, after processing.
2388
result = _process_entry(current_entry, None)
2389
if result is not None:
2390
if result is not uninteresting:
2392
advance_path = False
2394
result = _process_entry(current_entry, current_path_info)
2395
if result is not None:
2397
if result is not uninteresting:
2399
if advance_entry and current_entry is not None:
2401
if entry_index < len(current_block[1]):
2402
current_entry = current_block[1][entry_index]
2404
current_entry = None
2406
advance_entry = True # reset the advance flaga
2407
if advance_path and current_path_info is not None:
2408
if not path_handled:
2409
# unversioned in all regards
2410
if want_unversioned:
2411
new_executable = bool(
2412
stat.S_ISREG(current_path_info[3].st_mode)
2413
and stat.S_IEXEC & current_path_info[3].st_mode)
2415
(None, utf8_decode(current_path_info[0])[0]),
2419
(None, utf8_decode(current_path_info[1])[0]),
2420
(None, current_path_info[2]),
2421
(None, new_executable))
2422
# dont descend into this unversioned path if it is
2424
if current_path_info[2] in ('directory'):
2425
del current_dir_info[1][path_index]
2427
# dont descend the disk iterator into any tree
2429
if current_path_info[2] == 'tree-reference':
2430
del current_dir_info[1][path_index]
2433
if path_index < len(current_dir_info[1]):
2434
current_path_info = current_dir_info[1][path_index]
2435
if current_path_info[2] == 'directory':
2436
if self.target._directory_is_tree_reference(
2437
current_path_info[0].decode('utf8')):
2438
current_path_info = current_path_info[:2] + \
2439
('tree-reference',) + current_path_info[3:]
2441
current_path_info = None
2442
path_handled = False
2444
advance_path = True # reset the advance flagg.
2445
if current_block is not None:
2447
if (block_index < len(state._dirblocks) and
2448
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2449
current_block = state._dirblocks[block_index]
2451
current_block = None
2452
if current_dir_info is not None:
2454
current_dir_info = dir_iterator.next()
2455
except StopIteration:
2456
current_dir_info = None
2460
def is_compatible(source, target):
2461
# the target must be a dirstate working tree
2462
if not isinstance(target, WorkingTree4):
2464
# the source must be a revtreee or dirstate rev tree.
2465
if not isinstance(source,
2466
(revisiontree.RevisionTree, DirStateRevisionTree)):
2468
# the source revid must be in the target dirstate
2469
if not (source._revision_id == NULL_REVISION or
2470
source._revision_id in target.get_parent_ids()):
2471
# TODO: what about ghosts? it may well need to
2472
# check for them explicitly.
2476
InterTree.register_optimiser(InterDirStateTree)
2479
class Converter3to4(object):
2480
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2483
self.target_format = WorkingTreeFormat4()
2485
def convert(self, tree):
2486
# lock the control files not the tree, so that we dont get tree
2487
# on-unlock behaviours, and so that noone else diddles with the
2488
# tree during upgrade.
2489
tree._control_files.lock_write()
2491
tree.read_working_inventory()
2492
self.create_dirstate_data(tree)
2493
self.update_format(tree)
2494
self.remove_xml_files(tree)
2496
tree._control_files.unlock()
2498
def create_dirstate_data(self, tree):
2499
"""Create the dirstate based data for tree."""
2500
local_path = tree.bzrdir.get_workingtree_transport(None
2501
).local_abspath('dirstate')
2502
state = dirstate.DirState.from_tree(tree, local_path)
2506
def remove_xml_files(self, tree):
2507
"""Remove the oldformat 3 data."""
2508
transport = tree.bzrdir.get_workingtree_transport(None)
2509
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2510
'pending-merges', 'stat-cache']:
2512
transport.delete(path)
2513
except errors.NoSuchFile:
2514
# some files are optional - just deal.
2517
def update_format(self, tree):
2518
"""Change the format marker."""
2519
tree._control_files.put_utf8('format',
2520
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
