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https://launchpad.net/bugs/524184
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bzrlib/workingtree_4.py
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# Copyright (C) 2007-2010 Canonical Ltd
 
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# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
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#
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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.lock import LogicalLockResult
 
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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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    file_kind,
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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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        :return: A bzrlib.lock.LogicalLockResult.
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        """
 
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        """See Branch.lock_read, and WorkingTree.unlock."""
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        self.branch.lock_read()
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        try:
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            self._control_files.lock_read()
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        except:
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            self.branch.unlock()
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            raise
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        return LogicalLockResult(self.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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        except:
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            self.branch.unlock()
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            raise
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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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        :return: A bzrlib.lock.LogicalLockResult.
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        """
 
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        """See MutableTree.lock_tree_write, and WorkingTree.unlock."""
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        self.branch.lock_read()
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        return self._lock_self_write()
 
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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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        :return: A bzrlib.lock.LogicalLockResult.
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        """
 
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        """See MutableTree.lock_write, and WorkingTree.unlock."""
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        self.branch.lock_write()
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        return self._lock_self_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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class DirStateWorkingTreeFormat(WorkingTreeFormat3):
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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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                if basis_root_id is not None:
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                    wt._set_root_id(basis_root_id)
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                    wt.flush()
 
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                # If content filtering is supported, do not use the accelerator
 
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                # tree - the cost of transforming the content both ways and
 
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                # checking for changed content can outweight the gains it gives.
 
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                # Note: do NOT move this logic up higher - using the basis from
 
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                # the accelerator tree is still desirable because that can save
 
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                # a minute or more of processing on large trees!
 
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                # The original tree may not have the same content filters
 
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                # applied so we can't safely build the inventory delta from
 
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                # the source tree.
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                if wt.supports_content_filtering():
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                    # The original tree may not have the same content filters
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                    # applied so we can't safely build the inventory delta from
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                    # the source tree.
 
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                    if hardlink:
 
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                        # see https://bugs.edge.launchpad.net/bzr/+bug/408193
 
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                        trace.warning("hardlinking working copy files is not currently "
 
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                            "supported in %r" % (wt,))
 
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                    accelerator_tree = None
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                    delta_from_tree = False
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                else:
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                    delta_from_tree = True
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            return None
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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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        try:
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            rev = self._repository.get_revision(last_changed_revision)
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        except errors.NoSuchRevision:
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            raise errors.FileTimestampUnavailable(self.id2path(file_id))
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        return rev.timestamp
 
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        return self._repository.get_revision(last_changed_revision).timestamp
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    def get_file_sha1(self, file_id, path=None, stat_value=None):
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        entry = self._get_entry(file_id=file_id, path=path)
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        entry = self._get_entry(file_id=file_id)[1]
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        if entry is None:
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            raise errors.NoSuchId(tree=self, file_id=file_id)
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        parent_index = self._get_parent_index()
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        return dirstate.DirState._minikind_to_kind[entry[parent_index][0]]
 
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        return dirstate.DirState._minikind_to_kind[entry[1][0]]
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    def stored_kind(self, file_id):
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        """See Tree.stored_kind"""
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            return None
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        return ie.executable
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    def is_locked(self):
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        return self._locked
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    def list_files(self, include_root=False, from_dir=None, recursive=True):
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        # We use a standard implementation, because DirStateRevisionTree is
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        # dealing with one of the parents of the current state
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            yield path, 'V', entry.kind, entry.file_id, entry
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    def lock_read(self):
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        """Lock the tree for a set of operations.
1896
 
 
1897
 
        :return: A bzrlib.lock.LogicalLockResult.
1898
 
        """
 
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        """Lock the tree for a set of operations."""
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        if not self._locked:
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            self._repository.lock_read()
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            if self._dirstate._lock_token is None:
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                self._dirstate.lock_read()
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                self._dirstate_locked = True
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        self._locked += 1
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        return LogicalLockResult(self.unlock)
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    def _must_be_locked(self):
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        if not self._locked:
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        return result
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    @classmethod
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    def make_source_parent_tree_compiled_dirstate(klass, test_case, source,
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                                                  target):
 
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    def make_source_parent_tree_compiled_dirstate(klass, test_case, source, target):
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        from bzrlib.tests.test__dirstate_helpers import \
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            compiled_dirstate_helpers_feature
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        test_case.requireFeature(compiled_dirstate_helpers_feature)
 
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            CompiledDirstateHelpersFeature
 
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        if not CompiledDirstateHelpersFeature.available():
 
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            from bzrlib.tests import UnavailableFeature
 
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            raise UnavailableFeature(CompiledDirstateHelpersFeature)
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        from bzrlib._dirstate_helpers_pyx import ProcessEntryC
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        result = klass.make_source_parent_tree(source, target)
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        result[1]._iter_changes = ProcessEntryC
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            output. An unversioned file is defined as one with (False, False)
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            for the versioned pair.
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        """
 
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        # NB: show_status depends on being able to pass in non-versioned files
 
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        # and report them as unknown
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        # TODO: handle extra trees in the dirstate.
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        if (extra_trees or specific_files == []):
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            # we can't fast-path these cases (yet)