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# Copyright (C) 2007-2010 Canonical Ltd
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# Copyright (C) 2007-2012 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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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.filters import filtered_input_file, internal_size_sha_file_byname
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from bzrlib.inventory import Inventory, ROOT_ID, entry_factory
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib.lock import LogicalLockResult
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from bzrlib.lockable_files import LockableFiles
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from bzrlib.lockdir import LockDir
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from bzrlib.mutabletree import (
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needs_tree_write_lock,
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from bzrlib.osutils import (
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from bzrlib.trace import mutter
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from bzrlib.symbol_versioning import (
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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.tree import Tree
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from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
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class DirStateWorkingTree(WorkingTree3):
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from bzrlib.tree import (
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from bzrlib.workingtree import (
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WorkingTreeFormatMetaDir,
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class DirStateWorkingTree(InventoryWorkingTree):
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def __init__(self, basedir,
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_control_files=None,
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self._format = _format
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self.bzrdir = _bzrdir
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basedir = safe_unicode(basedir)
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mutter("opening working tree %r", basedir)
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trace.mutter("opening working tree %r", basedir)
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self._branch = branch
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self.basedir = realpath(basedir)
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# if branch is at our basedir and is a format 6 or less
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state.add(f, file_id, kind, None, '')
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self._make_dirty(reset_inventory=True)
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def _get_check_refs(self):
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"""Return the references needed to perform a check of this tree."""
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return [('trees', self.last_revision())]
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def _make_dirty(self, reset_inventory):
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"""Make the tree state dirty.
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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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WorkingTree._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 kind == 'directory'
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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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result = WorkingTree.commit(self, message, revprops, *args, **kwargs)
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self._make_dirty(reset_inventory=True)
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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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self._sha1_provider())
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self._sha1_provider(), self._worth_saving_limit())
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return self._dirstate
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def _sha1_provider(self):
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def _worth_saving_limit(self):
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"""How many hash changes are ok before we must save the dirstate.
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:return: an integer. -1 means never save.
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conf = self.get_config_stack()
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return conf.get('bzr.workingtree.worth_saving_limit')
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def filter_unversioned_files(self, paths):
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"""Filter out paths that are versioned.
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self._generate_inventory()
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return self._inventory
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@deprecated_method(deprecated_in((2, 5, 0)))
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def _get_inventory(self):
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return self.root_inventory
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inventory = property(_get_inventory,
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doc="Inventory of this Tree")
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root_inventory = property(_get_root_inventory,
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"Root 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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return False # Missing entries are not executable
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return entry[1][0][3] # Executable?
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if not osutils.supports_executable():
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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Note: The caller is expected to take a read-lock before calling this.
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if not self._supports_executable():
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entry = self._get_entry(file_id=file_id, path=path)
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if entry == (None, None):
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return entry[1][0][3]
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_is_executable_from_path_and_stat = \
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_is_executable_from_path_and_stat_from_basis
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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self._must_be_locked()
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path = self.id2path(file_id)
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mode = os.lstat(self.abspath(path)).st_mode
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mode = osutils.lstat(self.abspath(path)).st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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def all_file_ids(self):
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return _mod_revision.NULL_REVISION
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def lock_read(self):
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"""See Branch.lock_read, and WorkingTree.unlock."""
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"""See Branch.lock_read, and WorkingTree.unlock.
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:return: A bzrlib.lock.LogicalLockResult.
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self.branch.lock_read()
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self._control_files.lock_read()
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self.branch.unlock()
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return LogicalLockResult(self.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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"""See MutableTree.lock_tree_write, and WorkingTree.unlock.
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:return: A bzrlib.lock.LogicalLockResult.
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self.branch.lock_read()
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self._lock_self_write()
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return 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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"""See MutableTree.lock_write, and WorkingTree.unlock.
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:return: A bzrlib.lock.LogicalLockResult.
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self.branch.lock_write()
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self._lock_self_write()
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return 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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def path2id(self, path):
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"""Return the id for path in this tree."""
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if isinstance(path, list):
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path = osutils.pathjoin(*path)
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path = path.strip('/')
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entry = self._get_entry(path=path)
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if entry == (None, None):
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all_versioned = False
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if not all_versioned:
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raise errors.PathsNotVersionedError(paths)
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raise errors.PathsNotVersionedError(
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[p.decode('utf-8') for p in paths])
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# -- remove redundancy in supplied paths to prevent over-scanning --
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search_paths = osutils.minimum_path_selection(paths)
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found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
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for dir_name in split_paths:
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if dir_name not in found_dir_names:
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raise errors.PathsNotVersionedError(paths)
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raise errors.PathsNotVersionedError(
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[p.decode('utf-8') for p in paths])
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for dir_name_id, trees_info in found.iteritems():
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for index in search_indexes:
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_mod_revision.NULL_REVISION)))
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ghosts.append(rev_id)
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accepted_revisions.add(rev_id)
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dirstate.set_parent_trees(real_trees, ghosts=ghosts)
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if (len(real_trees) == 1
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and self.branch.repository._format.fast_deltas
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and isinstance(real_trees[0][1],
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revisiontree.InventoryRevisionTree)
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and self.get_parent_ids()):
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rev_id, rev_tree = real_trees[0]
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basis_id = self.get_parent_ids()[0]
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# There are times when basis_tree won't be in
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# self.branch.repository, (switch, for example)
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basis_tree = self.branch.repository.revision_tree(basis_id)
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except errors.NoSuchRevision:
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# Fall back to the set_parent_trees(), since we can't use
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# _make_delta if we can't get the RevisionTree
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delta = rev_tree.root_inventory._make_delta(
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basis_tree.root_inventory)
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dirstate.update_basis_by_delta(delta, rev_id)
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dirstate.set_parent_trees(real_trees, ghosts=ghosts)
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self._make_dirty(reset_inventory=False)
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def _set_root_id(self, file_id):
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def unlock(self):
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"""Unlock in format 4 trees needs to write the entire dirstate."""
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# do non-implementation specific cleanup
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if self._control_files._lock_count == 1:
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# do non-implementation specific cleanup
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# eventually we should do signature checking during read locks for
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# dirstate updates.
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if self._control_files._lock_mode == 'w':
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# have to change the legacy inventory too.
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if self._inventory is not None:
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for file_id in file_ids:
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self._inventory.remove_recursive_id(file_id)
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if self._inventory.has_id(file_id):
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self._inventory.remove_recursive_id(file_id)
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@needs_tree_write_lock
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def rename_one(self, from_rel, to_rel, after=False):
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"""See WorkingTree.rename_one"""
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WorkingTree.rename_one(self, from_rel, to_rel, after)
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super(DirStateWorkingTree, self).rename_one(from_rel, to_rel, after)
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@needs_tree_write_lock
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def apply_inventory_delta(self, changes):
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# being created.
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self._inventory = None
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# generate a delta,
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delta = inv._make_delta(self.inventory)
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delta = inv._make_delta(self.root_inventory)
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# and apply it.
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self.apply_inventory_delta(delta)
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if had_inventory:
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self._inventory = inv
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@needs_tree_write_lock
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def reset_state(self, revision_ids=None):
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"""Reset the state of the working tree.
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This does a hard-reset to a last-known-good state. This is a way to
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fix if something got corrupted (like the .bzr/checkout/dirstate file)
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if revision_ids is None:
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revision_ids = self.get_parent_ids()
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if not revision_ids:
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base_tree = self.branch.repository.revision_tree(
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_mod_revision.NULL_REVISION)
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trees = zip(revision_ids,
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self.branch.repository.revision_trees(revision_ids))
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base_tree = trees[0][1]
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state = self.current_dirstate()
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# We don't support ghosts yet
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state.set_state_from_scratch(base_tree.root_inventory, trees, [])
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class ContentFilterAwareSHA1Provider(dirstate.SHA1Provider):
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"""See dirstate.SHA1Provider.sha1()."""
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filters = self.tree._content_filter_stack(
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self.tree.relpath(osutils.safe_unicode(abspath)))
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return internal_size_sha_file_byname(abspath, filters)[1]
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return _mod_filters.internal_size_sha_file_byname(abspath, filters)[1]
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def stat_and_sha1(self, abspath):
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"""See dirstate.SHA1Provider.stat_and_sha1()."""
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statvalue = os.fstat(file_obj.fileno())
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file_obj = filtered_input_file(file_obj, filters)
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file_obj = _mod_filters.filtered_input_file(file_obj, filters)
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sha1 = osutils.size_sha_file(file_obj)[1]
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file_obj.close()
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def _file_content_summary(self, path, stat_result):
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# This is to support the somewhat obsolete path_content_summary method
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# with content filtering: see
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# <https://bugs.edge.launchpad.net/bzr/+bug/415508>.
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# <https://bugs.launchpad.net/bzr/+bug/415508>.
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# If the dirstate cache is up to date and knows the hash and size,
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class WorkingTree4(DirStateWorkingTree):
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"""This is the Format 4 working tree.
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This differs from WorkingTree3 by:
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This differs from WorkingTree 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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return views.PathBasedViews(self)
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class DirStateWorkingTreeFormat(WorkingTreeFormat3):
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class DirStateWorkingTreeFormat(WorkingTreeFormatMetaDir):
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missing_parent_conflicts = True
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supports_versioned_directories = True
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_lock_class = LockDir
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_lock_file_name = 'lock'
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def _open_control_files(self, a_bzrdir):
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transport = a_bzrdir.get_workingtree_transport(None)
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return LockableFiles(transport, self._lock_file_name,
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def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
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accelerator_tree=None, hardlink=False):
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"""See WorkingTreeFormat.initialize().
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:param revision_id: allows creating a working tree at a different
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revision than the branch is at.
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revision than the branch is at.
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:param accelerator_tree: A tree which can be used for retrieving file
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contents more quickly than the revision tree, i.e. a workingtree.
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The revision tree will be used for cases where accelerator_tree's
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control_files = self._open_control_files(a_bzrdir)
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control_files.create_lock()
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control_files.lock_write()
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transport.put_bytes('format', self.get_format_string(),
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transport.put_bytes('format', self.as_string(),
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mode=a_bzrdir._get_file_mode())
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if from_branch is not None:
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branch = from_branch
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transform.build_tree(basis, wt, accelerator_tree,
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hardlink=hardlink,
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delta_from_tree=delta_from_tree)
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for hook in MutableTree.hooks['post_build_tree']:
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:param wt: the WorkingTree object
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def open(self, a_bzrdir, _found=False):
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"""Return the WorkingTree object for a_bzrdir
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_found is a private parameter, do not use it. It is used to indicate
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if format probing has already been done.
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# we are being called directly and must probe.
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raise NotImplementedError
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if not isinstance(a_bzrdir.transport, LocalTransport):
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raise errors.NotLocalUrl(a_bzrdir.transport.base)
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wt = self._open(a_bzrdir, self._open_control_files(a_bzrdir))
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def _open(self, a_bzrdir, control_files):
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"""Open the tree itself.
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def _get_matchingbzrdir(self):
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"""Overrideable method to get a bzrdir for testing."""
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# please test against something that will let us do tree references
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return bzrdir.format_registry.make_bzrdir(
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'dirstate-with-subtree')
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return controldir.format_registry.make_bzrdir(
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'development-subtree')
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_matchingbzrdir = property(__get_matchingbzrdir)
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- exists within a metadir controlling .bzr
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- includes an explicit version marker for the workingtree control
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files, separate from the BzrDir format
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files, separate from the ControlDir format
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- modifies the hash cache format
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- is new in bzr 0.15
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- uses a LockDir to guard access to it.
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_tree_class = WorkingTree4
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def get_format_string(self):
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def get_format_string(cls):
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"""See WorkingTreeFormat.get_format_string()."""
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return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
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_tree_class = WorkingTree5
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def get_format_string(self):
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def get_format_string(cls):
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"""See WorkingTreeFormat.get_format_string()."""
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return "Bazaar Working Tree Format 5 (bzr 1.11)\n"
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_tree_class = WorkingTree6
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def get_format_string(self):
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def get_format_string(cls):
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"""See WorkingTreeFormat.get_format_string()."""
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return "Bazaar Working Tree Format 6 (bzr 1.14)\n"
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def supports_views(self):
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class DirStateRevisionTree(Tree):
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def _get_matchingbzrdir(self):
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"""Overrideable method to get a bzrdir for testing."""
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# We use 'development-subtree' instead of '2a', because we have a
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# few tests that want to test tree references
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return bzrdir.format_registry.make_bzrdir('development-subtree')
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class DirStateRevisionTree(InventoryTree):
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"""A revision tree pulling the inventory from a dirstate.
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Note that this is one of the historical (ie revision) trees cached in the
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def annotate_iter(self, file_id,
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default_revision=_mod_revision.CURRENT_REVISION):
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"""See Tree.annotate_iter"""
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text_key = (file_id, self.inventory[file_id].revision)
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text_key = (file_id, self.get_file_revision(file_id))
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annotations = self._repository.texts.annotate(text_key)
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return [(key[-1], line) for (key, line) in annotations]
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def _get_ancestors(self, default_revision):
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return set(self._repository.get_ancestry(self._revision_id,
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def _comparison_data(self, entry, path):
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"""See Tree._comparison_data."""
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if entry is None:
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if path is not None:
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path = path.encode('utf8')
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parent_index = self._get_parent_index()
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return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
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return self._dirstate._get_entry(parent_index, fileid_utf8=file_id,
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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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elif kind == 'directory':
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parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
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elif kind == 'symlink':
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inv_entry.executable = False
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inv_entry.text_size = None
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inv_entry.symlink_target = utf8_decode(fingerprint)[0]
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elif kind == 'tree-reference':
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inv_entry.reference_revision = fingerprint or None
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# Make sure the file exists
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entry = self._get_entry(file_id, path=path)
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if entry == (None, None): # do we raise?
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raise errors.NoSuchId(self, file_id)
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parent_index = self._get_parent_index()
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last_changed_revision = entry[1][parent_index][4]
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return parent_details[1]
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def get_file_revision(self, file_id):
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inv, inv_file_id = self._unpack_file_id(file_id)
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return inv[inv_file_id].revision
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def get_file(self, file_id, path=None):
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return StringIO(self.get_file_text(file_id))
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def get_file_size(self, file_id):
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"""See Tree.get_file_size"""
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return self.inventory[file_id].text_size
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inv, inv_file_id = self._unpack_file_id(file_id)
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return inv[inv_file_id].text_size
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def get_file_text(self, file_id, path=None):
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_, content = list(self.iter_files_bytes([(file_id, None)]))[0]
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return ''.join(content)
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for _, content_iter in self.iter_files_bytes([(file_id, None)]):
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if content is not None:
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raise AssertionError('iter_files_bytes returned'
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' too many entries')
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# For each entry returned by iter_files_bytes, we must consume the
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# content_iter before we step the files iterator.
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content = ''.join(content_iter)
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raise AssertionError('iter_files_bytes did not return'
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' the requested data')
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def get_reference_revision(self, file_id, path=None):
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return self.inventory[file_id].reference_revision
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inv, inv_file_id = self._unpack_file_id(file_id)
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return inv[inv_file_id].reference_revision
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def iter_files_bytes(self, desired_files):
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"""See Tree.iter_files_bytes.
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return self._repository.iter_files_bytes(repo_desired_files)
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def get_symlink_target(self, file_id):
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def get_symlink_target(self, file_id, path=None):
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entry = self._get_entry(file_id=file_id)
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parent_index = self._get_parent_index()
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if entry[1][parent_index][0] != 'l':
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"""Return the revision id for this tree."""
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return self._revision_id
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def _get_inventory(self):
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def _get_root_inventory(self):
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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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root_inventory = property(_get_root_inventory,
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doc="Inventory of this Tree")
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@deprecated_method(deprecated_in((2, 5, 0)))
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def _get_inventory(self):
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return self.root_inventory
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inventory = property(_get_inventory,
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doc="Inventory of this Tree")
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def path_content_summary(self, path):
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"""See Tree.path_content_summary."""
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id = self.inventory.path2id(path)
1992
inv, inv_file_id = self._path2inv_file_id(path)
1993
if inv_file_id is None:
1846
1994
return ('missing', None, None, None)
1847
entry = self._inventory[id]
1995
entry = inv[inv_file_id]
1848
1996
kind = entry.kind
1849
1997
if kind == 'file':
1850
1998
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1854
2002
return (kind, None, None, None)
1856
2004
def is_executable(self, file_id, path=None):
1857
ie = self.inventory[file_id]
2005
inv, inv_file_id = self._unpack_file_id(file_id)
2006
ie = inv[inv_file_id]
1858
2007
if ie.kind != "file":
1860
2009
return ie.executable
2011
def is_locked(self):
1862
2014
def list_files(self, include_root=False, from_dir=None, recursive=True):
1863
2015
# We use a standard implementation, because DirStateRevisionTree is
1864
2016
# dealing with one of the parents of the current state
1865
inv = self._get_inventory()
1866
2017
if from_dir is None:
2018
inv = self.root_inventory
1867
2019
from_dir_id = None
1869
from_dir_id = inv.path2id(from_dir)
2021
inv, from_dir_id = self._path2inv_file_id(from_dir)
1870
2022
if from_dir_id is None:
1871
2023
# Directory not versioned
2025
# FIXME: Support nested trees
1873
2026
entries = inv.iter_entries(from_dir=from_dir_id, recursive=recursive)
1874
2027
if inv.root is not None and not include_root and from_dir is None:
1877
2030
yield path, 'V', entry.kind, entry.file_id, entry
1879
2032
def lock_read(self):
1880
"""Lock the tree for a set of operations."""
2033
"""Lock the tree for a set of operations.
2035
:return: A bzrlib.lock.LogicalLockResult.
1881
2037
if not self._locked:
1882
2038
self._repository.lock_read()
1883
2039
if self._dirstate._lock_token is None:
1884
2040
self._dirstate.lock_read()
1885
2041
self._dirstate_locked = True
1886
2042
self._locked += 1
2043
return LogicalLockResult(self.unlock)
1888
2045
def _must_be_locked(self):
1889
2046
if not self._locked:
1893
2050
def path2id(self, path):
1894
2051
"""Return the id for path in this tree."""
1895
2052
# lookup by path: faster than splitting and walking the ivnentory.
2053
if isinstance(path, list):
2056
path = osutils.pathjoin(*path)
1896
2057
entry = self._get_entry(path=path)
1897
2058
if entry == (None, None):
1921
2082
# So for now, we just build up the parent inventory, and extract
1922
2083
# it the same way RevisionTree does.
1923
2084
_directory = 'directory'
1924
inv = self._get_inventory()
2085
inv = self._get_root_inventory()
1925
2086
top_id = inv.path2id(prefix)
1926
2087
if top_id is None:
1968
2129
def make_source_parent_tree(source, target):
1969
2130
"""Change the source tree into a parent of the target."""
1970
2131
revid = source.commit('record tree')
1971
target.branch.repository.fetch(source.branch.repository, revid)
2132
target.branch.fetch(source.branch, revid)
1972
2133
target.set_parent_ids([revid])
1973
2134
return target.basis_tree(), target
2066
2227
path_entries = state._entries_for_path(path)
2067
2228
if not path_entries:
2068
2229
# this specified path is not present at all: error
2069
not_versioned.append(path)
2230
not_versioned.append(path.decode('utf-8'))
2071
2232
found_versioned = False
2072
2233
# for each id at this path
2080
2241
if not found_versioned:
2081
2242
# none of the indexes was not 'absent' at all ids for this
2083
not_versioned.append(path)
2244
not_versioned.append(path.decode('utf-8'))
2084
2245
if len(not_versioned) > 0:
2085
2246
raise errors.PathsNotVersionedError(not_versioned)
2086
2247
# -- remove redundancy in supplied specific_files to prevent over-scanning --
2153
2314
def update_format(self, tree):
2154
2315
"""Change the format marker."""
2155
2316
tree._transport.put_bytes('format',
2156
self.target_format.get_format_string(),
2317
self.target_format.as_string(),
2157
2318
mode=tree.bzrdir._get_file_mode())
2176
2337
def update_format(self, tree):
2177
2338
"""Change the format marker."""
2178
2339
tree._transport.put_bytes('format',
2179
self.target_format.get_format_string(),
2340
self.target_format.as_string(),
2180
2341
mode=tree.bzrdir._get_file_mode())
2205
2366
def update_format(self, tree):
2206
2367
"""Change the format marker."""
2207
2368
tree._transport.put_bytes('format',
2208
self.target_format.get_format_string(),
2369
self.target_format.as_string(),
2209
2370
mode=tree.bzrdir._get_file_mode())
added
removed
bzrlib/workingtree_4.py
