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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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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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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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from bzrlib.trace import note, mutter
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assert isinstance(basedir, basestring), \
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"base directory %r is not a string" % basedir
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basedir = safe_unicode(basedir)
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mutter("opening working tree %r", basedir)
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self._branch = branch
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assert isinstance(self.branch, bzrlib.branch.Branch), \
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"branch %r is not a Branch" % self.branch
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self.basedir = realpath(basedir)
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# if branch is at our basedir and is a format 6 or less
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# assume all other formats have their own control files.
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assert isinstance(_control_files, LockableFiles), \
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"_control_files must be a LockableFiles, not %r" % _control_files
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self._control_files = _control_files
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# during a read or write lock these objects are set, and are
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# None the rest of the time.
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self._dirstate = None
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self._inventory = None
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@needs_tree_write_lock
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def _add(self, files, ids, kinds):
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"""See MutableTree._add."""
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state = self.current_dirstate()
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for f, file_id, kind in zip(files, ids, kinds):
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# special case tree root handling.
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if f == '' and self.path2id(f) == ROOT_ID:
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state.set_path_id('', generate_ids.gen_file_id(f))
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file_id = generate_ids.gen_file_id(f)
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# deliberately add the file with no cached stat or sha1
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# - on the first access it will be gathered, and we can
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# always change this once tests are all passing.
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state.add(f, file_id, kind, None, '')
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self._make_dirty(reset_inventory=True)
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def _make_dirty(self, reset_inventory):
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"""Make the tree state dirty.
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:param reset_inventory: True if the cached inventory should be removed
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(presuming there is one).
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if reset_inventory and self._inventory is not None:
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self._inventory = None
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@needs_tree_write_lock
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def add_reference(self, sub_tree):
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# use standard implementation, which calls back to self._add
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# So we don't store the reference_revision in the working dirstate,
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# it's just recorded at the moment of commit.
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self._add_reference(sub_tree)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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This will probe the repository for its lock as well.
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# if the dirstate is locked by an active process, reject the break lock
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if self._dirstate is None:
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state = self._current_dirstate()
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if state._lock_token is not None:
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# we already have it locked. sheese, cant break our own lock.
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raise errors.LockActive(self.basedir)
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# try for a write lock - need permission to get one anyhow
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except errors.LockContention:
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# oslocks fail when a process is still live: fail.
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# TODO: get the locked lockdir info and give to the user to
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# assist in debugging.
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raise errors.LockActive(self.basedir)
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self._dirstate = None
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self._control_files.break_lock()
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self.branch.break_lock()
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def _comparison_data(self, entry, path):
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kind, executable, stat_value = \
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WorkingTree3._comparison_data(self, entry, path)
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# it looks like a plain directory, but it's really a reference -- see
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(path)):
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kind = 'tree-reference'
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return kind, executable, stat_value
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def commit(self, message=None, revprops=None, *args, **kwargs):
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# mark the tree as dirty post commit - commit
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# can change the current versioned list by doing deletes.
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result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
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self._make_dirty(reset_inventory=True)
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def current_dirstate(self):
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"""Return the current dirstate object.
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This is not part of the tree interface and only exposed for ease of
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:raises errors.NotWriteLocked: when not in a lock.
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self._must_be_locked()
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return self._current_dirstate()
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def _current_dirstate(self):
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"""Internal function that does not check lock status.
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This is needed for break_lock which also needs the dirstate.
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if self._dirstate is not None:
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return self._dirstate
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local_path = self.bzrdir.get_workingtree_transport(None
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).local_abspath('dirstate')
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self._dirstate = dirstate.DirState.on_file(local_path)
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return self._dirstate
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def _directory_is_tree_reference(self, relpath):
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# as a special case, if a directory contains control files then
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# it's a tree reference, except that the root of the tree is not
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return relpath and osutils.isdir(self.abspath(relpath) + u"/.bzr")
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# TODO: We could ask all the control formats whether they
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# recognize this directory, but at the moment there's no cheap api
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# to do that. Since we probably can only nest bzr checkouts and
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# they always use this name it's ok for now. -- mbp 20060306
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# FIXME: There is an unhandled case here of a subdirectory
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# containing .bzr but not a branch; that will probably blow up
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# when you try to commit it. It might happen if there is a
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# checkout in a subdirectory. This can be avoided by not adding
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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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# not strictly needed: working tree
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#entry.executable = executable
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#entry.text_size = size
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#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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assert entry[0] is not None, 'what error should this raise'
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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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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 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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file_id = osutils.safe_file_id(file_id)
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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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file_id = osutils.safe_file_id(file_id)
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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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"""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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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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"""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, "support_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, "support_tree_reference",
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self._control_files.unlock()
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def lock_tree_write(self):
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"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._lock_self_write()
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def lock_write(self):
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"""See MutableTree.lock_write, and WorkingTree.unlock."""
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self.branch.lock_write()
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self._lock_self_write()
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@needs_tree_write_lock
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def move(self, from_paths, to_dir, after=False):
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"""See WorkingTree.move()."""
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state = self.current_dirstate()
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assert not isinstance(from_paths, basestring)
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to_dir_utf8 = to_dir.encode('utf8')
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to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
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id_index = state._get_id_index()
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# check destination directory
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# get the details for it
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to_entry_block_index, to_entry_entry_index, dir_present, entry_present = \
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state._get_block_entry_index(to_entry_dirname, to_basename, 0)
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if not entry_present:
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raise errors.BzrMoveFailedError('', to_dir,
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errors.NotVersionedError(to_dir))
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to_entry = state._dirblocks[to_entry_block_index][1][to_entry_entry_index]
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# get a handle on the block itself.
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to_block_index = state._ensure_block(
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to_entry_block_index, to_entry_entry_index, to_dir_utf8)
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to_block = state._dirblocks[to_block_index]
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to_abs = self.abspath(to_dir)
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if not isdir(to_abs):
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if to_entry[1][0][0] != 'd':
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if self._inventory is not None:
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update_inventory = True
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to_dir_ie = inv[to_dir_id]
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to_dir_id = to_entry[0][2]
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update_inventory = False
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def move_one(old_entry, from_path_utf8, minikind, executable,
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fingerprint, packed_stat, size,
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to_block, to_key, to_path_utf8):
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state._make_absent(old_entry)
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from_key = old_entry[0]
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lambda:state.update_minimal(from_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=from_path_utf8))
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state.update_minimal(to_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=to_path_utf8)
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added_entry_index, _ = state._find_entry_index(to_key, to_block[1])
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new_entry = to_block[1][added_entry_index]
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rollbacks.append(lambda:state._make_absent(new_entry))
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# create rename entries and tuples
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for from_rel in from_paths:
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# from_rel is 'pathinroot/foo/bar'
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from_rel_utf8 = from_rel.encode('utf8')
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from_dirname, from_tail = osutils.split(from_rel)
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from_dirname, from_tail_utf8 = osutils.split(from_rel_utf8)
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from_entry = self._get_entry(path=from_rel)
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if from_entry == (None, None):
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raise errors.BzrMoveFailedError(from_rel,to_dir,
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errors.NotVersionedError(path=str(from_rel)))
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from_id = from_entry[0][2]
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to_rel = pathjoin(to_dir, from_tail)
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to_rel_utf8 = pathjoin(to_dir_utf8, from_tail_utf8)
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item_to_entry = self._get_entry(path=to_rel)
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if item_to_entry != (None, None):
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Target is already versioned.")
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if from_rel == to_rel:
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Source and target are identical.")
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from_missing = not self.has_filename(from_rel)
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to_missing = not self.has_filename(to_rel)
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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errors.NoSuchFile(path=to_rel,
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extra="New file has not been created yet"))
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# neither path exists
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raise errors.BzrRenameFailedError(from_rel, to_rel,
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errors.PathsDoNotExist(paths=(from_rel, to_rel)))
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if from_missing: # implicitly just update our path mapping
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raise errors.RenameFailedFilesExist(from_rel, to_rel,
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extra="(Use --after to update the Bazaar id)")
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def rollback_rename():
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"""A single rename has failed, roll it back."""
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# roll back everything, even if we encounter trouble doing one
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# TODO: at least log the other exceptions rather than just
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# losing them mbp 20070307
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for rollback in reversed(rollbacks):
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exc_info = sys.exc_info()
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raise exc_info[0], exc_info[1], exc_info[2]
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# perform the disk move first - its the most likely failure point.
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from_rel_abs = self.abspath(from_rel)
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to_rel_abs = self.abspath(to_rel)
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osutils.rename(from_rel_abs, to_rel_abs)
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raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
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rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
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# perform the rename in the inventory next if needed: its easy
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from_entry = inv[from_id]
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current_parent = from_entry.parent_id
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inv.rename(from_id, to_dir_id, from_tail)
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lambda: inv.rename(from_id, current_parent, from_tail))
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# finally do the rename in the dirstate, which is a little
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# tricky to rollback, but least likely to need it.
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old_block_index, old_entry_index, dir_present, file_present = \
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state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
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old_block = state._dirblocks[old_block_index][1]
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old_entry = old_block[old_entry_index]
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from_key, old_entry_details = old_entry
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cur_details = old_entry_details[0]
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to_key = ((to_block[0],) + from_key[1:3])
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minikind = cur_details[0]
740
move_one(old_entry, from_path_utf8=from_rel_utf8,
742
executable=cur_details[3],
743
fingerprint=cur_details[1],
744
packed_stat=cur_details[4],
748
to_path_utf8=to_rel_utf8)
751
def update_dirblock(from_dir, to_key, to_dir_utf8):
752
"""all entries in this block need updating.
754
TODO: This is pretty ugly, and doesn't support
755
reverting, but it works.
757
assert from_dir != '', "renaming root not supported"
758
from_key = (from_dir, '')
759
from_block_idx, present = \
760
state._find_block_index_from_key(from_key)
762
# This is the old record, if it isn't present, then
763
# there is theoretically nothing to update.
764
# (Unless it isn't present because of lazy loading,
765
# but we don't do that yet)
767
from_block = state._dirblocks[from_block_idx]
768
to_block_index, to_entry_index, _, _ = \
769
state._get_block_entry_index(to_key[0], to_key[1], 0)
770
to_block_index = state._ensure_block(
771
to_block_index, to_entry_index, to_dir_utf8)
772
to_block = state._dirblocks[to_block_index]
773
for entry in from_block[1]:
774
assert entry[0][0] == from_dir
775
cur_details = entry[1][0]
776
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
777
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
778
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
779
minikind = cur_details[0]
780
move_one(entry, from_path_utf8=from_path_utf8,
782
executable=cur_details[3],
783
fingerprint=cur_details[1],
784
packed_stat=cur_details[4],
788
to_path_utf8=to_rel_utf8)
790
# We need to move all the children of this
792
update_dirblock(from_path_utf8, to_key,
794
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
798
result.append((from_rel, to_rel))
799
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
800
self._make_dirty(reset_inventory=False)
804
def _must_be_locked(self):
805
if not self._control_files._lock_count:
806
raise errors.ObjectNotLocked(self)
809
"""Initialize the state in this tree to be a new tree."""
813
def path2id(self, path):
814
"""Return the id for path in this tree."""
815
path = path.strip('/')
816
entry = self._get_entry(path=path)
817
if entry == (None, None):
821
def paths2ids(self, paths, trees=[], require_versioned=True):
822
"""See Tree.paths2ids().
824
This specialisation fast-paths the case where all the trees are in the
829
parents = self.get_parent_ids()
831
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
833
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
834
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
835
# -- make all paths utf8 --
838
paths_utf8.add(path.encode('utf8'))
840
# -- paths is now a utf8 path set --
841
# -- get the state object and prepare it.
842
state = self.current_dirstate()
843
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
844
and '' not in paths):
845
paths2ids = self._paths2ids_using_bisect
847
paths2ids = self._paths2ids_in_memory
848
return paths2ids(paths, search_indexes,
849
require_versioned=require_versioned)
851
def _paths2ids_in_memory(self, paths, search_indexes,
852
require_versioned=True):
853
state = self.current_dirstate()
854
state._read_dirblocks_if_needed()
855
def _entries_for_path(path):
856
"""Return a list with all the entries that match path for all ids.
858
dirname, basename = os.path.split(path)
859
key = (dirname, basename, '')
860
block_index, present = state._find_block_index_from_key(key)
862
# the block which should contain path is absent.
865
block = state._dirblocks[block_index][1]
866
entry_index, _ = state._find_entry_index(key, block)
867
# we may need to look at multiple entries at this path: walk while the paths match.
868
while (entry_index < len(block) and
869
block[entry_index][0][0:2] == key[0:2]):
870
result.append(block[entry_index])
873
if require_versioned:
874
# -- check all supplied paths are versioned in a search tree. --
877
path_entries = _entries_for_path(path)
879
# this specified path is not present at all: error
880
all_versioned = False
882
found_versioned = False
883
# for each id at this path
884
for entry in path_entries:
886
for index in search_indexes:
887
if entry[1][index][0] != 'a': # absent
888
found_versioned = True
889
# all good: found a versioned cell
891
if not found_versioned:
892
# none of the indexes was not 'absent' at all ids for this
894
all_versioned = False
896
if not all_versioned:
897
raise errors.PathsNotVersionedError(paths)
898
# -- remove redundancy in supplied paths to prevent over-scanning --
901
other_paths = paths.difference(set([path]))
902
if not osutils.is_inside_any(other_paths, path):
903
# this is a top level path, we must check it.
904
search_paths.add(path)
906
# for all search_indexs in each path at or under each element of
907
# search_paths, if the detail is relocated: add the id, and add the
908
# relocated path as one to search if its not searched already. If the
909
# detail is not relocated, add the id.
910
searched_paths = set()
912
def _process_entry(entry):
913
"""Look at search_indexes within entry.
915
If a specific tree's details are relocated, add the relocation
916
target to search_paths if not searched already. If it is absent, do
917
nothing. Otherwise add the id to found_ids.
919
for index in search_indexes:
920
if entry[1][index][0] == 'r': # relocated
921
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
922
search_paths.add(entry[1][index][1])
923
elif entry[1][index][0] != 'a': # absent
924
found_ids.add(entry[0][2])
926
current_root = search_paths.pop()
927
searched_paths.add(current_root)
928
# process the entries for this containing directory: the rest will be
929
# found by their parents recursively.
930
root_entries = _entries_for_path(current_root)
932
# this specified path is not present at all, skip it.
934
for entry in root_entries:
935
_process_entry(entry)
936
initial_key = (current_root, '', '')
937
block_index, _ = state._find_block_index_from_key(initial_key)
938
while (block_index < len(state._dirblocks) and
939
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
940
for entry in state._dirblocks[block_index][1]:
941
_process_entry(entry)
945
def _paths2ids_using_bisect(self, paths, search_indexes,
946
require_versioned=True):
947
state = self.current_dirstate()
950
split_paths = sorted(osutils.split(p) for p in paths)
951
found = state._bisect_recursive(split_paths)
953
if require_versioned:
954
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
955
for dir_name in split_paths:
956
if dir_name not in found_dir_names:
957
raise errors.PathsNotVersionedError(paths)
959
for dir_name_id, trees_info in found.iteritems():
960
for index in search_indexes:
961
if trees_info[index][0] not in ('r', 'a'):
962
found_ids.add(dir_name_id[2])
965
def read_working_inventory(self):
966
"""Read the working inventory.
968
This is a meaningless operation for dirstate, but we obey it anyhow.
970
return self.inventory
973
def revision_tree(self, revision_id):
974
"""See Tree.revision_tree.
976
WorkingTree4 supplies revision_trees for any basis tree.
978
revision_id = osutils.safe_revision_id(revision_id)
979
dirstate = self.current_dirstate()
980
parent_ids = dirstate.get_parent_ids()
981
if revision_id not in parent_ids:
982
raise errors.NoSuchRevisionInTree(self, revision_id)
983
if revision_id in dirstate.get_ghosts():
984
raise errors.NoSuchRevisionInTree(self, revision_id)
985
return DirStateRevisionTree(dirstate, revision_id,
986
self.branch.repository)
988
@needs_tree_write_lock
989
def set_last_revision(self, new_revision):
990
"""Change the last revision in the working tree."""
991
new_revision = osutils.safe_revision_id(new_revision)
992
parents = self.get_parent_ids()
993
if new_revision in (NULL_REVISION, None):
994
assert len(parents) < 2, (
995
"setting the last parent to none with a pending merge is "
997
self.set_parent_ids([])
999
self.set_parent_ids([new_revision] + parents[1:],
1000
allow_leftmost_as_ghost=True)
1002
@needs_tree_write_lock
1003
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1004
"""Set the parent ids to revision_ids.
1006
See also set_parent_trees. This api will try to retrieve the tree data
1007
for each element of revision_ids from the trees repository. If you have
1008
tree data already available, it is more efficient to use
1009
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1010
an easier API to use.
1012
:param revision_ids: The revision_ids to set as the parent ids of this
1013
working tree. Any of these may be ghosts.
1015
revision_ids = [osutils.safe_revision_id(r) for r in revision_ids]
1017
for revision_id in revision_ids:
1019
revtree = self.branch.repository.revision_tree(revision_id)
1020
# TODO: jam 20070213 KnitVersionedFile raises
1021
# RevisionNotPresent rather than NoSuchRevision if a
1022
# given revision_id is not present. Should Repository be
1023
# catching it and re-raising NoSuchRevision?
1024
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1026
trees.append((revision_id, revtree))
1027
self.current_dirstate()._validate()
1028
self.set_parent_trees(trees,
1029
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1030
self.current_dirstate()._validate()
1032
@needs_tree_write_lock
1033
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1034
"""Set the parents of the working tree.
1036
:param parents_list: A list of (revision_id, tree) tuples.
1037
If tree is None, then that element is treated as an unreachable
1038
parent tree - i.e. a ghost.
1040
dirstate = self.current_dirstate()
1041
dirstate._validate()
1042
if len(parents_list) > 0:
1043
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1044
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1047
# convert absent trees to the null tree, which we convert back to
1048
# missing on access.
1049
for rev_id, tree in parents_list:
1050
rev_id = osutils.safe_revision_id(rev_id)
1051
if tree is not None:
1052
real_trees.append((rev_id, tree))
1054
real_trees.append((rev_id,
1055
self.branch.repository.revision_tree(None)))
1056
ghosts.append(rev_id)
1057
dirstate._validate()
1058
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1059
dirstate._validate()
1060
self._make_dirty(reset_inventory=False)
1061
dirstate._validate()
1063
def _set_root_id(self, file_id):
1064
"""See WorkingTree.set_root_id."""
1065
state = self.current_dirstate()
1066
state.set_path_id('', file_id)
1067
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1068
self._make_dirty(reset_inventory=True)
1071
def supports_tree_reference(self):
1072
return self._repo_supports_tree_reference
1075
"""Unlock in format 4 trees needs to write the entire dirstate."""
1076
if self._control_files._lock_count == 1:
1077
# eventually we should do signature checking during read locks for
1079
if self._control_files._lock_mode == 'w':
1082
if self._dirstate is not None:
1083
# This is a no-op if there are no modifications.
1084
self._dirstate.save()
1085
self._dirstate.unlock()
1086
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1087
# point. Instead, it could check if the header has been
1088
# modified when it is locked, and if not, it can hang on to
1089
# the data it has in memory.
1090
self._dirstate = None
1091
self._inventory = None
1092
# reverse order of locking.
1094
return self._control_files.unlock()
1096
self.branch.unlock()
1098
@needs_tree_write_lock
1099
def unversion(self, file_ids):
1100
"""Remove the file ids in file_ids from the current versioned set.
1102
When a file_id is unversioned, all of its children are automatically
1105
:param file_ids: The file ids to stop versioning.
1106
:raises: NoSuchId if any fileid is not currently versioned.
1110
state = self.current_dirstate()
1111
state._read_dirblocks_if_needed()
1112
ids_to_unversion = set()
1113
for file_id in file_ids:
1114
ids_to_unversion.add(osutils.safe_file_id(file_id))
1115
paths_to_unversion = set()
1117
# check if the root is to be unversioned, if so, assert for now.
1118
# walk the state marking unversioned things as absent.
1119
# if there are any un-unversioned ids at the end, raise
1120
for key, details in state._dirblocks[0][1]:
1121
if (details[0][0] not in ('a', 'r') and # absent or relocated
1122
key[2] in ids_to_unversion):
1123
# I haven't written the code to unversion / yet - it should be
1125
raise errors.BzrError('Unversioning the / is not currently supported')
1127
while block_index < len(state._dirblocks):
1128
# process one directory at a time.
1129
block = state._dirblocks[block_index]
1130
# first check: is the path one to remove - it or its children
1131
delete_block = False
1132
for path in paths_to_unversion:
1133
if (block[0].startswith(path) and
1134
(len(block[0]) == len(path) or
1135
block[0][len(path)] == '/')):
1136
# this entire block should be deleted - its the block for a
1137
# path to unversion; or the child of one
1140
# TODO: trim paths_to_unversion as we pass by paths
1142
# this block is to be deleted: process it.
1143
# TODO: we can special case the no-parents case and
1144
# just forget the whole block.
1146
while entry_index < len(block[1]):
1147
# Mark this file id as having been removed
1148
ids_to_unversion.discard(block[1][entry_index][0][2])
1149
if not state._make_absent(block[1][entry_index]):
1151
# go to the next block. (At the moment we dont delete empty
1156
while entry_index < len(block[1]):
1157
entry = block[1][entry_index]
1158
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1159
# ^ some parent row.
1160
entry[0][2] not in ids_to_unversion):
1161
# ^ not an id to unversion
1164
if entry[1][0][0] == 'd':
1165
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1166
if not state._make_absent(entry):
1168
# we have unversioned this id
1169
ids_to_unversion.remove(entry[0][2])
1171
if ids_to_unversion:
1172
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1173
self._make_dirty(reset_inventory=False)
1174
# have to change the legacy inventory too.
1175
if self._inventory is not None:
1176
for file_id in file_ids:
1177
self._inventory.remove_recursive_id(file_id)
1179
@needs_tree_write_lock
1180
def _write_inventory(self, inv):
1181
"""Write inventory as the current inventory."""
1182
assert not self._dirty, "attempting to write an inventory when the dirstate is dirty will cause data loss"
1183
self.current_dirstate().set_state_from_inventory(inv)
1184
self._make_dirty(reset_inventory=False)
1185
if self._inventory is not None:
1186
self._inventory = inv
1190
class WorkingTreeFormat4(WorkingTreeFormat3):
1191
"""The first consolidated dirstate working tree format.
1194
- exists within a metadir controlling .bzr
1195
- includes an explicit version marker for the workingtree control
1196
files, separate from the BzrDir format
1197
- modifies the hash cache format
1198
- is new in bzr 0.15
1199
- uses a LockDir to guard access to it.
1202
def get_format_string(self):
1203
"""See WorkingTreeFormat.get_format_string()."""
1204
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1206
def get_format_description(self):
1207
"""See WorkingTreeFormat.get_format_description()."""
1208
return "Working tree format 4"
1210
def initialize(self, a_bzrdir, revision_id=None):
1211
"""See WorkingTreeFormat.initialize().
1213
:param revision_id: allows creating a working tree at a different
1214
revision than the branch is at.
1216
These trees get an initial random root id.
1218
revision_id = osutils.safe_revision_id(revision_id)
1219
if not isinstance(a_bzrdir.transport, LocalTransport):
1220
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1221
transport = a_bzrdir.get_workingtree_transport(self)
1222
control_files = self._open_control_files(a_bzrdir)
1223
control_files.create_lock()
1224
control_files.lock_write()
1225
control_files.put_utf8('format', self.get_format_string())
1226
branch = a_bzrdir.open_branch()
1227
if revision_id is None:
1228
revision_id = branch.last_revision()
1229
local_path = transport.local_abspath('dirstate')
1230
# write out new dirstate (must exist when we create the tree)
1231
state = dirstate.DirState.initialize(local_path)
1233
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1237
_control_files=control_files)
1239
wt.lock_tree_write()
1242
if revision_id in (None, NULL_REVISION):
1243
wt._set_root_id(generate_ids.gen_root_id())
1245
wt.current_dirstate()._validate()
1246
wt.set_last_revision(revision_id)
1248
basis = wt.basis_tree()
1250
# if the basis has a root id we have to use that; otherwise we use
1252
basis_root_id = basis.get_root_id()
1253
if basis_root_id is not None:
1254
wt._set_root_id(basis_root_id)
1256
transform.build_tree(basis, wt)
1259
control_files.unlock()
1263
def _open(self, a_bzrdir, control_files):
1264
"""Open the tree itself.
1266
:param a_bzrdir: the dir for the tree.
1267
:param control_files: the control files for the tree.
1269
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1270
branch=a_bzrdir.open_branch(),
1273
_control_files=control_files)
1275
def __get_matchingbzrdir(self):
1276
# please test against something that will let us do tree references
1277
return bzrdir.format_registry.make_bzrdir(
1278
'dirstate-with-subtree')
1280
_matchingbzrdir = property(__get_matchingbzrdir)
1283
class DirStateRevisionTree(Tree):
1284
"""A revision tree pulling the inventory from a dirstate."""
1286
def __init__(self, dirstate, revision_id, repository):
1287
self._dirstate = dirstate
1288
self._revision_id = osutils.safe_revision_id(revision_id)
1289
self._repository = repository
1290
self._inventory = None
1292
self._dirstate_locked = False
1295
return "<%s of %s in %s>" % \
1296
(self.__class__.__name__, self._revision_id, self._dirstate)
1298
def annotate_iter(self, file_id):
1299
"""See Tree.annotate_iter"""
1300
w = self._repository.weave_store.get_weave(file_id,
1301
self._repository.get_transaction())
1302
return w.annotate_iter(self.inventory[file_id].revision)
1304
def _comparison_data(self, entry, path):
1305
"""See Tree._comparison_data."""
1307
return None, False, None
1308
# trust the entry as RevisionTree does, but this may not be
1309
# sensible: the entry might not have come from us?
1310
return entry.kind, entry.executable, None
1312
def _file_size(self, entry, stat_value):
1313
return entry.text_size
1315
def filter_unversioned_files(self, paths):
1316
"""Filter out paths that are not versioned.
1318
:return: set of paths.
1320
pred = self.has_filename
1321
return set((p for p in paths if not pred(p)))
1323
def get_root_id(self):
1324
return self.path2id('')
1326
def _get_parent_index(self):
1327
"""Return the index in the dirstate referenced by this tree."""
1328
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1330
def _get_entry(self, file_id=None, path=None):
1331
"""Get the dirstate row for file_id or path.
1333
If either file_id or path is supplied, it is used as the key to lookup.
1334
If both are supplied, the fastest lookup is used, and an error is
1335
raised if they do not both point at the same row.
1337
:param file_id: An optional unicode file_id to be looked up.
1338
:param path: An optional unicode path to be looked up.
1339
:return: The dirstate row tuple for path/file_id, or (None, None)
1341
if file_id is None and path is None:
1342
raise errors.BzrError('must supply file_id or path')
1343
file_id = osutils.safe_file_id(file_id)
1344
if path is not None:
1345
path = path.encode('utf8')
1346
parent_index = self._get_parent_index()
1347
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1349
def _generate_inventory(self):
1350
"""Create and set self.inventory from the dirstate object.
1352
(So this is only called the first time the inventory is requested for
1353
this tree; it then remains in memory until it's out of date.)
1355
This is relatively expensive: we have to walk the entire dirstate.
1357
assert self._locked, 'cannot generate inventory of an unlocked '\
1358
'dirstate revision tree'
1359
# separate call for profiling - makes it clear where the costs are.
1360
self._dirstate._read_dirblocks_if_needed()
1361
assert self._revision_id in self._dirstate.get_parent_ids(), \
1362
'parent %s has disappeared from %s' % (
1363
self._revision_id, self._dirstate.get_parent_ids())
1364
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1365
# This is identical now to the WorkingTree _generate_inventory except
1366
# for the tree index use.
1367
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1368
current_id = root_key[2]
1369
assert current_entry[parent_index][0] == 'd'
1370
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1371
inv.root.revision = current_entry[parent_index][4]
1372
# Turn some things into local variables
1373
minikind_to_kind = dirstate.DirState._minikind_to_kind
1374
factory = entry_factory
1375
utf8_decode = cache_utf8._utf8_decode
1376
inv_byid = inv._byid
1377
# we could do this straight out of the dirstate; it might be fast
1378
# and should be profiled - RBC 20070216
1379
parent_ies = {'' : inv.root}
1380
for block in self._dirstate._dirblocks[1:]: #skip root
1383
parent_ie = parent_ies[dirname]
1385
# all the paths in this block are not versioned in this tree
1387
for key, entry in block[1]:
1388
minikind, fingerprint, size, executable, revid = entry[parent_index]
1389
if minikind in ('a', 'r'): # absent, relocated
1393
name_unicode = utf8_decode(name)[0]
1395
kind = minikind_to_kind[minikind]
1396
inv_entry = factory[kind](file_id, name_unicode,
1398
inv_entry.revision = revid
1400
inv_entry.executable = executable
1401
inv_entry.text_size = size
1402
inv_entry.text_sha1 = fingerprint
1403
elif kind == 'directory':
1404
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1405
elif kind == 'symlink':
1406
inv_entry.executable = False
1407
inv_entry.text_size = None
1408
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1409
elif kind == 'tree-reference':
1410
inv_entry.reference_revision = fingerprint or None
1412
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1414
# These checks cost us around 40ms on a 55k entry tree
1415
assert file_id not in inv_byid
1416
assert name_unicode not in parent_ie.children
1417
inv_byid[file_id] = inv_entry
1418
parent_ie.children[name_unicode] = inv_entry
1419
self._inventory = inv
1421
def get_file_mtime(self, file_id, path=None):
1422
"""Return the modification time for this record.
1424
We return the timestamp of the last-changed revision.
1426
# Make sure the file exists
1427
entry = self._get_entry(file_id, path=path)
1428
if entry == (None, None): # do we raise?
1430
parent_index = self._get_parent_index()
1431
last_changed_revision = entry[1][parent_index][4]
1432
return self._repository.get_revision(last_changed_revision).timestamp
1434
def get_file_sha1(self, file_id, path=None, stat_value=None):
1435
entry = self._get_entry(file_id=file_id, path=path)
1436
parent_index = self._get_parent_index()
1437
parent_details = entry[1][parent_index]
1438
if parent_details[0] == 'f':
1439
return parent_details[1]
1442
def get_file(self, file_id):
1443
return StringIO(self.get_file_text(file_id))
1445
def get_file_lines(self, file_id):
1446
ie = self.inventory[file_id]
1447
return self._repository.weave_store.get_weave(file_id,
1448
self._repository.get_transaction()).get_lines(ie.revision)
1450
def get_file_size(self, file_id):
1451
return self.inventory[file_id].text_size
1453
def get_file_text(self, file_id):
1454
return ''.join(self.get_file_lines(file_id))
1456
def get_reference_revision(self, file_id, path=None):
1457
return self.inventory[file_id].reference_revision
1459
def get_symlink_target(self, file_id):
1460
entry = self._get_entry(file_id=file_id)
1461
parent_index = self._get_parent_index()
1462
if entry[1][parent_index][0] != 'l':
1465
# At present, none of the tree implementations supports non-ascii
1466
# symlink targets. So we will just assume that the dirstate path is
1468
return entry[1][parent_index][1]
1470
def get_revision_id(self):
1471
"""Return the revision id for this tree."""
1472
return self._revision_id
1474
def _get_inventory(self):
1475
if self._inventory is not None:
1476
return self._inventory
1477
self._must_be_locked()
1478
self._generate_inventory()
1479
return self._inventory
1481
inventory = property(_get_inventory,
1482
doc="Inventory of this Tree")
1484
def get_parent_ids(self):
1485
"""The parents of a tree in the dirstate are not cached."""
1486
return self._repository.get_revision(self._revision_id).parent_ids
1488
def has_filename(self, filename):
1489
return bool(self.path2id(filename))
1491
def kind(self, file_id):
1492
return self.inventory[file_id].kind
1494
def is_executable(self, file_id, path=None):
1495
ie = self.inventory[file_id]
1496
if ie.kind != "file":
1498
return ie.executable
1500
def list_files(self, include_root=False):
1501
# We use a standard implementation, because DirStateRevisionTree is
1502
# dealing with one of the parents of the current state
1503
inv = self._get_inventory()
1504
entries = inv.iter_entries()
1505
if self.inventory.root is not None and not include_root:
1507
for path, entry in entries:
1508
yield path, 'V', entry.kind, entry.file_id, entry
1510
def lock_read(self):
1511
"""Lock the tree for a set of operations."""
1512
if not self._locked:
1513
self._repository.lock_read()
1514
if self._dirstate._lock_token is None:
1515
self._dirstate.lock_read()
1516
self._dirstate_locked = True
1519
def _must_be_locked(self):
1520
if not self._locked:
1521
raise errors.ObjectNotLocked(self)
1524
def path2id(self, path):
1525
"""Return the id for path in this tree."""
1526
# lookup by path: faster than splitting and walking the ivnentory.
1527
entry = self._get_entry(path=path)
1528
if entry == (None, None):
1533
"""Unlock, freeing any cache memory used during the lock."""
1534
# outside of a lock, the inventory is suspect: release it.
1536
if not self._locked:
1537
self._inventory = None
1539
if self._dirstate_locked:
1540
self._dirstate.unlock()
1541
self._dirstate_locked = False
1542
self._repository.unlock()
1544
def walkdirs(self, prefix=""):
1545
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1546
# implementation based on an inventory.
1547
# This should be cleaned up to use the much faster Dirstate code
1548
# So for now, we just build up the parent inventory, and extract
1549
# it the same way RevisionTree does.
1550
_directory = 'directory'
1551
inv = self._get_inventory()
1552
top_id = inv.path2id(prefix)
1556
pending = [(prefix, top_id)]
1559
relpath, file_id = pending.pop()
1560
# 0 - relpath, 1- file-id
1562
relroot = relpath + '/'
1565
# FIXME: stash the node in pending
1566
entry = inv[file_id]
1567
for name, child in entry.sorted_children():
1568
toppath = relroot + name
1569
dirblock.append((toppath, name, child.kind, None,
1570
child.file_id, child.kind
1572
yield (relpath, entry.file_id), dirblock
1573
# push the user specified dirs from dirblock
1574
for dir in reversed(dirblock):
1575
if dir[2] == _directory:
1576
pending.append((dir[0], dir[4]))
1579
class InterDirStateTree(InterTree):
1580
"""Fast path optimiser for changes_from with dirstate trees.
1582
This is used only when both trees are in the dirstate working file, and
1583
the source is any parent within the dirstate, and the destination is
1584
the current working tree of the same dirstate.
1586
# this could be generalized to allow comparisons between any trees in the
1587
# dirstate, and possibly between trees stored in different dirstates.
1589
def __init__(self, source, target):
1590
super(InterDirStateTree, self).__init__(source, target)
1591
if not InterDirStateTree.is_compatible(source, target):
1592
raise Exception, "invalid source %r and target %r" % (source, target)
1595
def make_source_parent_tree(source, target):
1596
"""Change the source tree into a parent of the target."""
1597
revid = source.commit('record tree')
1598
target.branch.repository.fetch(source.branch.repository, revid)
1599
target.set_parent_ids([revid])
1600
return target.basis_tree(), target
1602
_matching_from_tree_format = WorkingTreeFormat4()
1603
_matching_to_tree_format = WorkingTreeFormat4()
1604
_test_mutable_trees_to_test_trees = make_source_parent_tree
1606
def _iter_changes(self, include_unchanged=False,
1607
specific_files=None, pb=None, extra_trees=[],
1608
require_versioned=True, want_unversioned=False):
1609
"""Return the changes from source to target.
1611
:return: An iterator that yields tuples. See InterTree._iter_changes
1613
:param specific_files: An optional list of file paths to restrict the
1614
comparison to. When mapping filenames to ids, all matches in all
1615
trees (including optional extra_trees) are used, and all children of
1616
matched directories are included.
1617
:param include_unchanged: An optional boolean requesting the inclusion of
1618
unchanged entries in the result.
1619
:param extra_trees: An optional list of additional trees to use when
1620
mapping the contents of specific_files (paths) to file_ids.
1621
:param require_versioned: If True, all files in specific_files must be
1622
versioned in one of source, target, extra_trees or
1623
PathsNotVersionedError is raised.
1624
:param want_unversioned: Should unversioned files be returned in the
1625
output. An unversioned file is defined as one with (False, False)
1626
for the versioned pair.
1628
utf8_decode = cache_utf8._utf8_decode_with_None
1629
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1630
# NB: show_status depends on being able to pass in non-versioned files
1631
# and report them as unknown
1632
# TODO: handle extra trees in the dirstate.
1633
# TODO: handle comparisons as an empty tree as a different special
1634
# case? mbp 20070226
1635
if extra_trees or (self.source._revision_id == NULL_REVISION):
1636
# we can't fast-path these cases (yet)
1637
for f in super(InterDirStateTree, self)._iter_changes(
1638
include_unchanged, specific_files, pb, extra_trees,
1639
require_versioned, want_unversioned=want_unversioned):
1642
parent_ids = self.target.get_parent_ids()
1643
assert (self.source._revision_id in parent_ids), \
1644
"revision {%s} is not stored in {%s}, but %s " \
1645
"can only be used for trees stored in the dirstate" \
1646
% (self.source._revision_id, self.target, self._iter_changes)
1648
if self.source._revision_id == NULL_REVISION:
1650
indices = (target_index,)
1652
assert (self.source._revision_id in parent_ids), \
1653
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1654
self.source._revision_id, parent_ids)
1655
source_index = 1 + parent_ids.index(self.source._revision_id)
1656
indices = (source_index,target_index)
1657
# -- make all specific_files utf8 --
1659
specific_files_utf8 = set()
1660
for path in specific_files:
1661
specific_files_utf8.add(path.encode('utf8'))
1662
specific_files = specific_files_utf8
1664
specific_files = set([''])
1665
# -- specific_files is now a utf8 path set --
1666
# -- get the state object and prepare it.
1667
state = self.target.current_dirstate()
1668
state._read_dirblocks_if_needed()
1669
def _entries_for_path(path):
1670
"""Return a list with all the entries that match path for all ids.
1672
dirname, basename = os.path.split(path)
1673
key = (dirname, basename, '')
1674
block_index, present = state._find_block_index_from_key(key)
1676
# the block which should contain path is absent.
1679
block = state._dirblocks[block_index][1]
1680
entry_index, _ = state._find_entry_index(key, block)
1681
# we may need to look at multiple entries at this path: walk while the specific_files match.
1682
while (entry_index < len(block) and
1683
block[entry_index][0][0:2] == key[0:2]):
1684
result.append(block[entry_index])
1687
if require_versioned:
1688
# -- check all supplied paths are versioned in a search tree. --
1689
all_versioned = True
1690
for path in specific_files:
1691
path_entries = _entries_for_path(path)
1692
if not path_entries:
1693
# this specified path is not present at all: error
1694
all_versioned = False
1696
found_versioned = False
1697
# for each id at this path
1698
for entry in path_entries:
1700
for index in indices:
1701
if entry[1][index][0] != 'a': # absent
1702
found_versioned = True
1703
# all good: found a versioned cell
1705
if not found_versioned:
1706
# none of the indexes was not 'absent' at all ids for this
1708
all_versioned = False
1710
if not all_versioned:
1711
raise errors.PathsNotVersionedError(specific_files)
1712
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1713
search_specific_files = set()
1714
for path in specific_files:
1715
other_specific_files = specific_files.difference(set([path]))
1716
if not osutils.is_inside_any(other_specific_files, path):
1717
# this is a top level path, we must check it.
1718
search_specific_files.add(path)
1720
# compare source_index and target_index at or under each element of search_specific_files.
1721
# follow the following comparison table. Note that we only want to do diff operations when
1722
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1726
# Source | Target | disk | action
1727
# r | fdlt | | add source to search, add id path move and perform
1728
# | | | diff check on source-target
1729
# r | fdlt | a | dangling file that was present in the basis.
1731
# r | a | | add source to search
1733
# r | r | | this path is present in a non-examined tree, skip.
1734
# r | r | a | this path is present in a non-examined tree, skip.
1735
# a | fdlt | | add new id
1736
# a | fdlt | a | dangling locally added file, skip
1737
# a | a | | not present in either tree, skip
1738
# a | a | a | not present in any tree, skip
1739
# a | r | | not present in either tree at this path, skip as it
1740
# | | | may not be selected by the users list of paths.
1741
# a | r | a | not present in either tree at this path, skip as it
1742
# | | | may not be selected by the users list of paths.
1743
# fdlt | fdlt | | content in both: diff them
1744
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1745
# fdlt | a | | unversioned: output deleted id for now
1746
# fdlt | a | a | unversioned and deleted: output deleted id
1747
# fdlt | r | | relocated in this tree, so add target to search.
1748
# | | | Dont diff, we will see an r,fd; pair when we reach
1749
# | | | this id at the other path.
1750
# fdlt | r | a | relocated in this tree, so add target to search.
1751
# | | | Dont diff, we will see an r,fd; pair when we reach
1752
# | | | this id at the other path.
1754
# for all search_indexs in each path at or under each element of
1755
# search_specific_files, if the detail is relocated: add the id, and add the
1756
# relocated path as one to search if its not searched already. If the
1757
# detail is not relocated, add the id.
1758
searched_specific_files = set()
1759
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1760
# Using a list so that we can access the values and change them in
1761
# nested scope. Each one is [path, file_id, entry]
1762
last_source_parent = [None, None, None]
1763
last_target_parent = [None, None, None]
1765
use_filesystem_for_exec = (sys.platform != 'win32')
1767
def _process_entry(entry, path_info):
1768
"""Compare an entry and real disk to generate delta information.
1770
:param path_info: top_relpath, basename, kind, lstat, abspath for
1771
the path of entry. If None, then the path is considered absent.
1772
(Perhaps we should pass in a concrete entry for this ?)
1773
Basename is returned as a utf8 string because we expect this
1774
tuple will be ignored, and don't want to take the time to
1777
if source_index is None:
1778
source_details = NULL_PARENT_DETAILS
1780
source_details = entry[1][source_index]
1781
target_details = entry[1][target_index]
1782
target_minikind = target_details[0]
1783
if path_info is not None and target_minikind in 'fdlt':
1784
assert target_index == 0
1785
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1786
stat_value=path_info[3])
1787
# The entry may have been modified by update_entry
1788
target_details = entry[1][target_index]
1789
target_minikind = target_details[0]
1792
source_minikind = source_details[0]
1793
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1794
# claimed content in both: diff
1795
# r | fdlt | | add source to search, add id path move and perform
1796
# | | | diff check on source-target
1797
# r | fdlt | a | dangling file that was present in the basis.
1799
if source_minikind in 'r':
1800
# add the source to the search path to find any children it
1801
# has. TODO ? : only add if it is a container ?
1802
if not osutils.is_inside_any(searched_specific_files,
1804
search_specific_files.add(source_details[1])
1805
# generate the old path; this is needed for stating later
1807
old_path = source_details[1]
1808
old_dirname, old_basename = os.path.split(old_path)
1809
path = pathjoin(entry[0][0], entry[0][1])
1810
old_entry = state._get_entry(source_index,
1812
# update the source details variable to be the real
1814
source_details = old_entry[1][source_index]
1815
source_minikind = source_details[0]
1817
old_dirname = entry[0][0]
1818
old_basename = entry[0][1]
1819
old_path = path = pathjoin(old_dirname, old_basename)
1820
if path_info is None:
1821
# the file is missing on disk, show as removed.
1822
content_change = True
1826
# source and target are both versioned and disk file is present.
1827
target_kind = path_info[2]
1828
if target_kind == 'directory':
1829
if source_minikind != 'd':
1830
content_change = True
1832
# directories have no fingerprint
1833
content_change = False
1835
elif target_kind == 'file':
1836
if source_minikind != 'f':
1837
content_change = True
1839
# We could check the size, but we already have the
1841
content_change = (link_or_sha1 != source_details[1])
1842
# Target details is updated at update_entry time
1843
if use_filesystem_for_exec:
1844
# We don't need S_ISREG here, because we are sure
1845
# we are dealing with a file.
1846
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1848
target_exec = target_details[3]
1849
elif target_kind == 'symlink':
1850
if source_minikind != 'l':
1851
content_change = True
1853
content_change = (link_or_sha1 != source_details[1])
1855
elif target_kind == 'tree-reference':
1856
if source_minikind != 't':
1857
content_change = True
1859
content_change = False
1862
raise Exception, "unknown kind %s" % path_info[2]
1863
# parent id is the entry for the path in the target tree
1864
if old_dirname == last_source_parent[0]:
1865
source_parent_id = last_source_parent[1]
1867
source_parent_entry = state._get_entry(source_index,
1868
path_utf8=old_dirname)
1869
source_parent_id = source_parent_entry[0][2]
1870
if source_parent_id == entry[0][2]:
1871
# This is the root, so the parent is None
1872
source_parent_id = None
1874
last_source_parent[0] = old_dirname
1875
last_source_parent[1] = source_parent_id
1876
last_source_parent[2] = source_parent_entry
1877
new_dirname = entry[0][0]
1878
if new_dirname == last_target_parent[0]:
1879
target_parent_id = last_target_parent[1]
1881
# TODO: We don't always need to do the lookup, because the
1882
# parent entry will be the same as the source entry.
1883
target_parent_entry = state._get_entry(target_index,
1884
path_utf8=new_dirname)
1885
target_parent_id = target_parent_entry[0][2]
1886
if target_parent_id == entry[0][2]:
1887
# This is the root, so the parent is None
1888
target_parent_id = None
1890
last_target_parent[0] = new_dirname
1891
last_target_parent[1] = target_parent_id
1892
last_target_parent[2] = target_parent_entry
1894
source_exec = source_details[3]
1895
return ((entry[0][2], (old_path, path), content_change,
1897
(source_parent_id, target_parent_id),
1898
(old_basename, entry[0][1]),
1899
(_minikind_to_kind[source_minikind], target_kind),
1900
(source_exec, target_exec)),)
1901
elif source_minikind in 'a' and target_minikind in 'fdlt':
1902
# looks like a new file
1903
if path_info is not None:
1904
path = pathjoin(entry[0][0], entry[0][1])
1905
# parent id is the entry for the path in the target tree
1906
# TODO: these are the same for an entire directory: cache em.
1907
parent_id = state._get_entry(target_index,
1908
path_utf8=entry[0][0])[0][2]
1909
if parent_id == entry[0][2]:
1911
if use_filesystem_for_exec:
1912
# We need S_ISREG here, because we aren't sure if this
1915
stat.S_ISREG(path_info[3].st_mode)
1916
and stat.S_IEXEC & path_info[3].st_mode)
1918
target_exec = target_details[3]
1919
return ((entry[0][2], (None, path), True,
1922
(None, entry[0][1]),
1923
(None, path_info[2]),
1924
(None, target_exec)),)
1926
# but its not on disk: we deliberately treat this as just
1927
# never-present. (Why ?! - RBC 20070224)
1929
elif source_minikind in 'fdlt' and target_minikind in 'a':
1930
# unversioned, possibly, or possibly not deleted: we dont care.
1931
# if its still on disk, *and* theres no other entry at this
1932
# path [we dont know this in this routine at the moment -
1933
# perhaps we should change this - then it would be an unknown.
1934
old_path = pathjoin(entry[0][0], entry[0][1])
1935
# parent id is the entry for the path in the target tree
1936
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
1937
if parent_id == entry[0][2]:
1939
return ((entry[0][2], (old_path, None), True,
1942
(entry[0][1], None),
1943
(_minikind_to_kind[source_minikind], None),
1944
(source_details[3], None)),)
1945
elif source_minikind in 'fdlt' and target_minikind in 'r':
1946
# a rename; could be a true rename, or a rename inherited from
1947
# a renamed parent. TODO: handle this efficiently. Its not
1948
# common case to rename dirs though, so a correct but slow
1949
# implementation will do.
1950
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
1951
search_specific_files.add(target_details[1])
1952
elif source_minikind in 'ra' and target_minikind in 'ra':
1953
# neither of the selected trees contain this file,
1954
# so skip over it. This is not currently directly tested, but
1955
# is indirectly via test_too_much.TestCommands.test_conflicts.
1958
raise AssertionError("don't know how to compare "
1959
"source_minikind=%r, target_minikind=%r"
1960
% (source_minikind, target_minikind))
1961
## import pdb;pdb.set_trace()
1964
while search_specific_files:
1965
# TODO: the pending list should be lexically sorted? the
1966
# interface doesn't require it.
1967
current_root = search_specific_files.pop()
1968
searched_specific_files.add(current_root)
1969
# process the entries for this containing directory: the rest will be
1970
# found by their parents recursively.
1971
root_entries = _entries_for_path(current_root)
1972
root_abspath = self.target.abspath(current_root)
1974
root_stat = os.lstat(root_abspath)
1976
if e.errno == errno.ENOENT:
1977
# the path does not exist: let _process_entry know that.
1978
root_dir_info = None
1980
# some other random error: hand it up.
1983
root_dir_info = ('', current_root,
1984
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
1986
if root_dir_info[2] == 'directory':
1987
if self.target._directory_is_tree_reference(
1988
current_root.decode('utf8')):
1989
root_dir_info = root_dir_info[:2] + \
1990
('tree-reference',) + root_dir_info[3:]
1992
if not root_entries and not root_dir_info:
1993
# this specified path is not present at all, skip it.
1995
path_handled = False
1996
for entry in root_entries:
1997
for result in _process_entry(entry, root_dir_info):
1998
# this check should probably be outside the loop: one
1999
# 'iterate two trees' api, and then _iter_changes filters
2000
# unchanged pairs. - RBC 20070226
2002
if (include_unchanged
2003
or result[2] # content change
2004
or result[3][0] != result[3][1] # versioned status
2005
or result[4][0] != result[4][1] # parent id
2006
or result[5][0] != result[5][1] # name
2007
or result[6][0] != result[6][1] # kind
2008
or result[7][0] != result[7][1] # executable
2010
result = (result[0],
2011
((utf8_decode(result[1][0])[0]),
2012
utf8_decode(result[1][1])[0]),) + result[2:]
2014
if want_unversioned and not path_handled:
2015
new_executable = bool(
2016
stat.S_ISREG(root_dir_info[3].st_mode)
2017
and stat.S_IEXEC & root_dir_info[3].st_mode)
2018
yield (None, (None, current_root), True, (False, False),
2020
(None, splitpath(current_root)[-1]),
2021
(None, root_dir_info[2]), (None, new_executable))
2022
initial_key = (current_root, '', '')
2023
block_index, _ = state._find_block_index_from_key(initial_key)
2024
if block_index == 0:
2025
# we have processed the total root already, but because the
2026
# initial key matched it we should skip it here.
2028
if root_dir_info and root_dir_info[2] == 'tree-reference':
2029
current_dir_info = None
2031
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2033
current_dir_info = dir_iterator.next()
2035
if e.errno in (errno.ENOENT, errno.ENOTDIR):
2036
# there may be directories in the inventory even though
2037
# this path is not a file on disk: so mark it as end of
2039
current_dir_info = None
2043
if current_dir_info[0][0] == '':
2044
# remove .bzr from iteration
2045
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2046
assert current_dir_info[1][bzr_index][0] == '.bzr'
2047
del current_dir_info[1][bzr_index]
2048
# walk until both the directory listing and the versioned metadata
2050
if (block_index < len(state._dirblocks) and
2051
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2052
current_block = state._dirblocks[block_index]
2054
current_block = None
2055
while (current_dir_info is not None or
2056
current_block is not None):
2057
if (current_dir_info and current_block
2058
and current_dir_info[0][0] != current_block[0]):
2059
if current_dir_info[0][0] < current_block[0] :
2060
# filesystem data refers to paths not covered by the dirblock.
2061
# this has two possibilities:
2062
# A) it is versioned but empty, so there is no block for it
2063
# B) it is not versioned.
2064
# in either case it was processed by the containing directories walk:
2065
# if it is root/foo, when we walked root we emitted it,
2066
# or if we ere given root/foo to walk specifically, we
2067
# emitted it when checking the walk-root entries
2068
# advance the iterator and loop - we dont need to emit it.
2070
current_dir_info = dir_iterator.next()
2071
except StopIteration:
2072
current_dir_info = None
2074
# We have a dirblock entry for this location, but there
2075
# is no filesystem path for this. This is most likely
2076
# because a directory was removed from the disk.
2077
# We don't have to report the missing directory,
2078
# because that should have already been handled, but we
2079
# need to handle all of the files that are contained
2081
for current_entry in current_block[1]:
2082
# entry referring to file not present on disk.
2083
# advance the entry only, after processing.
2084
for result in _process_entry(current_entry, None):
2085
# this check should probably be outside the loop: one
2086
# 'iterate two trees' api, and then _iter_changes filters
2087
# unchanged pairs. - RBC 20070226
2088
if (include_unchanged
2089
or result[2] # content change
2090
or result[3][0] != result[3][1] # versioned status
2091
or result[4][0] != result[4][1] # parent id
2092
or result[5][0] != result[5][1] # name
2093
or result[6][0] != result[6][1] # kind
2094
or result[7][0] != result[7][1] # executable
2096
result = (result[0],
2097
((utf8_decode(result[1][0])[0]),
2098
utf8_decode(result[1][1])[0]),) + result[2:]
2101
if (block_index < len(state._dirblocks) and
2102
osutils.is_inside(current_root,
2103
state._dirblocks[block_index][0])):
2104
current_block = state._dirblocks[block_index]
2106
current_block = None
2109
if current_block and entry_index < len(current_block[1]):
2110
current_entry = current_block[1][entry_index]
2112
current_entry = None
2113
advance_entry = True
2115
if current_dir_info and path_index < len(current_dir_info[1]):
2116
current_path_info = current_dir_info[1][path_index]
2117
if current_path_info[2] == 'directory':
2118
if self.target._directory_is_tree_reference(
2119
current_path_info[0].decode('utf8')):
2120
current_path_info = current_path_info[:2] + \
2121
('tree-reference',) + current_path_info[3:]
2123
current_path_info = None
2125
path_handled = False
2126
while (current_entry is not None or
2127
current_path_info is not None):
2128
if current_entry is None:
2129
# the check for path_handled when the path is adnvaced
2130
# will yield this path if needed.
2132
elif current_path_info is None:
2133
# no path is fine: the per entry code will handle it.
2134
for result in _process_entry(current_entry, current_path_info):
2135
# this check should probably be outside the loop: one
2136
# 'iterate two trees' api, and then _iter_changes filters
2137
# unchanged pairs. - RBC 20070226
2138
if (include_unchanged
2139
or result[2] # content change
2140
or result[3][0] != result[3][1] # versioned status
2141
or result[4][0] != result[4][1] # parent id
2142
or result[5][0] != result[5][1] # name
2143
or result[6][0] != result[6][1] # kind
2144
or result[7][0] != result[7][1] # executable
2146
result = (result[0],
2147
((utf8_decode(result[1][0])[0]),
2148
utf8_decode(result[1][1])[0]),) + result[2:]
2150
elif current_entry[0][1] != current_path_info[1]:
2151
if current_path_info[1] < current_entry[0][1]:
2152
# extra file on disk: pass for now, but only
2153
# increment the path, not the entry
2154
advance_entry = False
2156
# entry referring to file not present on disk.
2157
# advance the entry only, after processing.
2158
for result in _process_entry(current_entry, None):
2159
# this check should probably be outside the loop: one
2160
# 'iterate two trees' api, and then _iter_changes filters
2161
# unchanged pairs. - RBC 20070226
2163
if (include_unchanged
2164
or result[2] # content change
2165
or result[3][0] != result[3][1] # versioned status
2166
or result[4][0] != result[4][1] # parent id
2167
or result[5][0] != result[5][1] # name
2168
or result[6][0] != result[6][1] # kind
2169
or result[7][0] != result[7][1] # executable
2171
result = (result[0],
2172
((utf8_decode(result[1][0])[0]),
2173
utf8_decode(result[1][1])[0]),) + result[2:]
2175
advance_path = False
2177
for result in _process_entry(current_entry, current_path_info):
2178
# this check should probably be outside the loop: one
2179
# 'iterate two trees' api, and then _iter_changes filters
2180
# unchanged pairs. - RBC 20070226
2182
if (include_unchanged
2183
or result[2] # content change
2184
or result[3][0] != result[3][1] # versioned status
2185
or result[4][0] != result[4][1] # parent id
2186
or result[5][0] != result[5][1] # name
2187
or result[6][0] != result[6][1] # kind
2188
or result[7][0] != result[7][1] # executable
2190
result = (result[0],
2191
((utf8_decode(result[1][0])[0]),
2192
utf8_decode(result[1][1])[0]),) + result[2:]
2194
if advance_entry and current_entry is not None:
2196
if entry_index < len(current_block[1]):
2197
current_entry = current_block[1][entry_index]
2199
current_entry = None
2201
advance_entry = True # reset the advance flaga
2202
if advance_path and current_path_info is not None:
2203
if not path_handled:
2204
# unversioned in all regards
2205
if want_unversioned:
2206
new_executable = bool(
2207
stat.S_ISREG(current_path_info[3].st_mode)
2208
and stat.S_IEXEC & current_path_info[3].st_mode)
2209
if want_unversioned:
2210
yield (None, (None, current_path_info[0]),
2214
(None, current_path_info[1]),
2215
(None, current_path_info[2]),
2216
(None, new_executable))
2217
# dont descend into this unversioned path if it is
2219
if current_path_info[2] in ('directory'):
2220
del current_dir_info[1][path_index]
2222
# dont descend the disk iterator into any tree
2224
if current_path_info[2] == 'tree-reference':
2225
del current_dir_info[1][path_index]
2228
if path_index < len(current_dir_info[1]):
2229
current_path_info = current_dir_info[1][path_index]
2230
if current_path_info[2] == 'directory':
2231
if self.target._directory_is_tree_reference(
2232
current_path_info[0].decode('utf8')):
2233
current_path_info = current_path_info[:2] + \
2234
('tree-reference',) + current_path_info[3:]
2236
current_path_info = None
2237
path_handled = False
2239
advance_path = True # reset the advance flagg.
2240
if current_block is not None:
2242
if (block_index < len(state._dirblocks) and
2243
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2244
current_block = state._dirblocks[block_index]
2246
current_block = None
2247
if current_dir_info is not None:
2249
current_dir_info = dir_iterator.next()
2250
except StopIteration:
2251
current_dir_info = None
2255
def is_compatible(source, target):
2256
# the target must be a dirstate working tree
2257
if not isinstance(target, WorkingTree4):
2259
# the source must be a revtreee or dirstate rev tree.
2260
if not isinstance(source,
2261
(revisiontree.RevisionTree, DirStateRevisionTree)):
2263
# the source revid must be in the target dirstate
2264
if not (source._revision_id == NULL_REVISION or
2265
source._revision_id in target.get_parent_ids()):
2266
# TODO: what about ghosts? it may well need to
2267
# check for them explicitly.
2271
InterTree.register_optimiser(InterDirStateTree)
2274
class Converter3to4(object):
2275
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2278
self.target_format = WorkingTreeFormat4()
2280
def convert(self, tree):
2281
# lock the control files not the tree, so that we dont get tree
2282
# on-unlock behaviours, and so that noone else diddles with the
2283
# tree during upgrade.
2284
tree._control_files.lock_write()
2286
self.create_dirstate_data(tree)
2287
self.update_format(tree)
2288
self.remove_xml_files(tree)
2290
tree._control_files.unlock()
2292
def create_dirstate_data(self, tree):
2293
"""Create the dirstate based data for tree."""
2294
local_path = tree.bzrdir.get_workingtree_transport(None
2295
).local_abspath('dirstate')
2296
state = dirstate.DirState.from_tree(tree, local_path)
2300
def remove_xml_files(self, tree):
2301
"""Remove the oldformat 3 data."""
2302
transport = tree.bzrdir.get_workingtree_transport(None)
2303
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2304
'pending-merges', 'stat-cache']:
2306
transport.delete(path)
2307
except errors.NoSuchFile:
2308
# some files are optional - just deal.
2311
def update_format(self, tree):
2312
"""Change the format marker."""
2313
tree._control_files.put_utf8('format',
2314
self.target_format.get_format_string())