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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from stat import S_ISREG, S_IEXEC
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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config as _mod_config,
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lazy_import.lazy_import(globals(), """
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revision as _mod_revision,
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from breezy.bzr import (
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from breezy.i18n import gettext
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from bzrlib.errors import (DuplicateKey, MalformedTransform, NoSuchFile,
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ReusingTransform, CantMoveRoot,
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ExistingLimbo, ImmortalLimbo, NoFinalPath,
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from bzrlib.filters import filtered_output_bytes, ContentFilterContext
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from bzrlib.inventory import InventoryEntry
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from bzrlib.osutils import (
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from .errors import (DuplicateKey, MalformedTransform,
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ReusingTransform, CantMoveRoot,
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ImmortalLimbo, NoFinalPath,
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from .filters import filtered_output_bytes, ContentFilterContext
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from .mutabletree import MutableTree
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from .osutils import (
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from bzrlib.progress import ProgressPhase
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from bzrlib.symbol_versioning import (
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from bzrlib.trace import mutter, warning
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from bzrlib import tree
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import bzrlib.urlutils as urlutils
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from .progress import ProgressPhase
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ROOT_PARENT = "root-parent"
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self._new_root = new_roots[0]
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old_new_root = new_roots[0]
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# TODO: What to do if a old_new_root is present, but self._new_root is
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# not listed as being removed? This code explicitly unversions
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# the old root and versions it with the new file_id. Though that
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# seems like an incomplete delta
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# unversion the new root's directory.
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file_id = self.final_file_id(old_new_root)
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if self.final_kind(self._new_root) is None:
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file_id = self.final_file_id(old_new_root)
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file_id = self.final_file_id(self._new_root)
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if old_new_root in self._new_id:
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self.cancel_versioning(old_new_root)
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self.unversion_file(old_new_root)
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# if, at this stage, root still has an old file_id, zap it so we can
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# stick a new one in.
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if (self.tree_file_id(self._new_root) is not None and
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self._new_root not in self._removed_id):
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if (self.tree_file_id(self._new_root) is not None
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and self._new_root not in self._removed_id):
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self.unversion_file(self._new_root)
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self.version_file(file_id, self._new_root)
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if file_id is not None:
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self.version_file(file_id, self._new_root)
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# Now move children of new root into old root directory.
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# Ensure all children are registered with the transaction, but don't
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return sorted(FinalPaths(self).get_paths(new_ids))
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def _inventory_altered(self):
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"""Get the trans_ids and paths of files needing new inv entries."""
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for id_set in [self._new_name, self._new_parent, self._new_id,
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"""Determine which trans_ids need new Inventory entries.
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An new entry is needed when anything that would be reflected by an
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inventory entry changes, including file name, file_id, parent file_id,
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file kind, and the execute bit.
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Some care is taken to return entries with real changes, not cases
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where the value is deleted and then restored to its original value,
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but some actually unchanged values may be returned.
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:returns: A list of (path, trans_id) for all items requiring an
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inventory change. Ordered by path.
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# Find entries whose file_ids are new (or changed).
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new_file_id = set(t for t in self._new_id
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if self._new_id[t] != self.tree_file_id(t))
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for id_set in [self._new_name, self._new_parent, new_file_id,
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self._new_executability]:
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new_ids.update(id_set)
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changed_ids.update(id_set)
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# removing implies a kind change
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changed_kind = set(self._removed_contents)
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changed_kind.intersection_update(self._new_contents)
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changed_kind.difference_update(new_ids)
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changed_kind = (t for t in changed_kind if self.tree_kind(t) !=
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new_ids.update(changed_kind)
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return sorted(FinalPaths(self).get_paths(new_ids))
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# Ignore entries that are already known to have changed.
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changed_kind.difference_update(changed_ids)
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# to keep only the truly changed ones
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changed_kind = (t for t in changed_kind
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if self.tree_kind(t) != self.final_kind(t))
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# all kind changes will alter the inventory
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changed_ids.update(changed_kind)
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# To find entries with changed parent_ids, find parents which existed,
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# but changed file_id.
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# Now add all their children to the set.
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for parent_trans_id in new_file_id:
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changed_ids.update(self.iter_tree_children(parent_trans_id))
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return sorted(FinalPaths(self).get_paths(changed_ids))
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def final_kind(self, trans_id):
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"""Determine the final file kind, after any changes applied.
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Raises NoSuchFile if the file does not exist/has no contents.
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(It is conceivable that a path would be created without the
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corresponding contents insertion command)
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:return: None if the file does not exist/has no contents. (It is
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conceivable that a path would be created without the corresponding
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contents insertion command)
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if trans_id in self._new_contents:
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return self._new_contents[trans_id]
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elif trans_id in self._removed_contents:
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raise NoSuchFile(None)
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return self.tree_kind(trans_id)
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def tree_path(self, trans_id):
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"""Determine the tree path associated with the trans_id."""
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return self._tree_id_paths.get(trans_id)
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def tree_file_id(self, trans_id):
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"""Determine the file id associated with the trans_id in the tree"""
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path = self._tree_id_paths[trans_id]
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# the file is a new, unversioned file, or invalid trans_id
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path = self.tree_path(trans_id)
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# the file is old; the old id is still valid
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if self._new_root == trans_id:
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# ensure that all children are registered with the transaction
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list(self.iter_tree_children(parent_id))
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def has_named_child(self, by_parent, parent_id, name):
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children = by_parent[parent_id]
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for child in children:
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def _has_named_child(self, name, parent_id, known_children):
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"""Does a parent already have a name child.
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:param name: The searched for name.
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:param parent_id: The parent for which the check is made.
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:param known_children: The already known children. This should have
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been recently obtained from `self.by_parent.get(parent_id)`
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(or will be if None is passed).
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if known_children is None:
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known_children = self.by_parent().get(parent_id, [])
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for child in known_children:
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if self.final_name(child) == name:
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path = self._tree_id_paths[parent_id]
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parent_path = self._tree_id_paths.get(parent_id, None)
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if parent_path is None:
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# No parent... no children
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childpath = joinpath(path, name)
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child_id = self._tree_path_ids.get(childpath)
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child_path = joinpath(parent_path, name)
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child_id = self._tree_path_ids.get(child_path, None)
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if child_id is None:
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return lexists(self._tree.abspath(childpath))
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# Not known by the tree transform yet, check the filesystem
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return osutils.lexists(self._tree.abspath(child_path))
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if self.final_parent(child_id) != parent_id:
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if child_id in self._removed_contents:
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# XXX What about dangling file-ids?
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raise AssertionError('child_id is missing: %s, %s, %s'
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% (name, parent_id, child_id))
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def _available_backup_name(self, name, target_id):
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"""Find an available backup name.
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:param name: The basename of the file.
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:param target_id: The directory trans_id where the backup should
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known_children = self.by_parent().get(target_id, [])
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return osutils.available_backup_name(
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lambda base: self._has_named_child(
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base, target_id, known_children))
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def _parent_loops(self):
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"""No entry should be its own ancestor"""
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def _duplicate_ids(self):
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"""Each inventory id may only be used once"""
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all_ids = self._tree.all_file_ids()
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except errors.UnsupportedOperation:
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# it's okay for non-file-id trees to raise UnsupportedOperation.
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removed_tree_ids = set((self.tree_file_id(trans_id) for trans_id in
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self._removed_id))
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all_ids = self._tree.all_file_ids()
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active_tree_ids = all_ids.difference(removed_tree_ids)
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for trans_id, file_id in self._new_id.iteritems():
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for trans_id, file_id in viewitems(self._new_id):
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if file_id in active_tree_ids:
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old_trans_id = self.trans_id_tree_file_id(file_id)
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path = self._tree.id2path(file_id)
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old_trans_id = self.trans_id_tree_path(path)
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conflicts.append(('duplicate id', old_trans_id, trans_id))
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def _parent_type_conflicts(self, by_parent):
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"""parents must have directory 'contents'."""
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"""Children must have a directory parent"""
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for parent_id, children in by_parent.iteritems():
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if parent_id is ROOT_PARENT:
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if not self._any_contents(children):
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for child in children:
691
self.final_kind(child)
695
kind = self.final_kind(parent_id)
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for parent_id, children in viewitems(by_parent):
742
if parent_id == ROOT_PARENT:
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for child_id in children:
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if self.final_kind(child_id) is not None:
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# There is at least a child, so we need an existing directory to
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kind = self.final_kind(parent_id)
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# The directory will be deleted
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conflicts.append(('missing parent', parent_id))
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elif kind != "directory":
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# Meh, we need a *directory* to put something in it
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conflicts.append(('non-directory parent', parent_id))
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def _any_contents(self, trans_ids):
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"""Return true if any of the trans_ids, will have contents."""
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for trans_id in trans_ids:
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kind = self.final_kind(trans_id)
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def _set_executability(self, path, trans_id):
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"""Set the executability of versioned files """
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if supports_executable():
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if self._tree._supports_executable():
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new_executability = self._new_executability[trans_id]
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abspath = self._tree.abspath(path)
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current_mode = os.stat(abspath).st_mode
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if new_executability:
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umask = os.umask(0)
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to_mode = current_mode | (0100 & ~umask)
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to_mode = current_mode | (0o100 & ~umask)
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# Enable x-bit for others only if they can read it.
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if current_mode & 0004:
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to_mode |= 0001 & ~umask
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if current_mode & 0040:
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to_mode |= 0010 & ~umask
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if current_mode & 0o004:
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to_mode |= 0o001 & ~umask
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if current_mode & 0o040:
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to_mode |= 0o010 & ~umask
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to_mode = current_mode & ~0111
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os.chmod(abspath, to_mode)
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to_mode = current_mode & ~0o111
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osutils.chmod_if_possible(abspath, to_mode)
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def _new_entry(self, name, parent_id, file_id):
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"""Helper function to create a new filesystem entry."""
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self.create_symlink(target, trans_id)
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def new_orphan(self, trans_id, parent_id):
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"""Schedule an item to be orphaned.
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When a directory is about to be removed, its children, if they are not
835
versioned are moved out of the way: they don't have a parent anymore.
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:param trans_id: The trans_id of the existing item.
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:param parent_id: The parent trans_id of the item.
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raise NotImplementedError(self.new_orphan)
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def _get_potential_orphans(self, dir_id):
843
"""Find the potential orphans in a directory.
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A directory can't be safely deleted if there are versioned files in it.
846
If all the contained files are unversioned then they can be orphaned.
848
The 'None' return value means that the directory contains at least one
849
versioned file and should not be deleted.
851
:param dir_id: The directory trans id.
853
:return: A list of the orphan trans ids or None if at least one
854
versioned file is present.
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# Find the potential orphans, stop if one item should be kept
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for child_tid in self.by_parent()[dir_id]:
859
if child_tid in self._removed_contents:
860
# The child is removed as part of the transform. Since it was
861
# versioned before, it's not an orphan
863
elif self.final_file_id(child_tid) is None:
864
# The child is not versioned
865
orphans.append(child_tid)
867
# We have a versioned file here, searching for orphans is
783
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def _affected_ids(self):
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"""Return the set of transform ids affected by the transform"""
785
875
trans_ids = set(self._removed_id)
786
trans_ids.update(self._new_id.keys())
876
trans_ids.update(self._new_id)
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877
trans_ids.update(self._removed_contents)
788
trans_ids.update(self._new_contents.keys())
789
trans_ids.update(self._new_executability.keys())
790
trans_ids.update(self._new_name.keys())
791
trans_ids.update(self._new_parent.keys())
878
trans_ids.update(self._new_contents)
879
trans_ids.update(self._new_executability)
880
trans_ids.update(self._new_name)
881
trans_ids.update(self._new_parent)
794
884
def _get_file_id_maps(self):
903
985
to_path = final_paths.get_path(to_trans_id)
987
from_name, from_parent, from_kind, from_executable = \
988
self._from_file_data(from_trans_id, from_versioned, from_path)
990
to_name, to_parent, to_kind, to_executable = \
991
self._to_file_data(to_trans_id, from_trans_id, from_executable)
904
993
if from_kind != to_kind:
906
995
elif to_kind in ('file', 'symlink') and (
907
to_trans_id != from_trans_id or
908
to_trans_id in self._new_contents):
996
to_trans_id != from_trans_id
997
or to_trans_id in self._new_contents):
910
if (not modified and from_versioned == to_versioned and
911
from_parent==to_parent and from_name == to_name and
912
from_executable == to_executable):
999
if (not modified and from_versioned == to_versioned
1000
and from_parent == to_parent and from_name == to_name
1001
and from_executable == to_executable):
914
1003
results.append((file_id, (from_path, to_path), modified,
915
(from_versioned, to_versioned),
916
(from_parent, to_parent),
917
(from_name, to_name),
918
(from_kind, to_kind),
919
(from_executable, to_executable)))
920
return iter(sorted(results, key=lambda x:x[1]))
1004
(from_versioned, to_versioned),
1005
(from_parent, to_parent),
1006
(from_name, to_name),
1007
(from_kind, to_kind),
1008
(from_executable, to_executable)))
1012
return (paths[0] or '', paths[1] or '')
1013
return iter(sorted(results, key=path_key))
922
1015
def get_preview_tree(self):
923
1016
"""Return a tree representing the result of the transform.
928
1021
return _PreviewTree(self)
930
def commit(self, branch, message, merge_parents=None, strict=False):
1023
def commit(self, branch, message, merge_parents=None, strict=False,
1024
timestamp=None, timezone=None, committer=None, authors=None,
1025
revprops=None, revision_id=None):
931
1026
"""Commit the result of this TreeTransform to a branch.
933
1028
:param branch: The branch to commit to.
934
1029
:param message: The message to attach to the commit.
935
:param merge_parents: Additional parents specified by pending merges.
1030
:param merge_parents: Additional parent revision-ids specified by
1032
:param strict: If True, abort the commit if there are unversioned
1034
:param timestamp: if not None, seconds-since-epoch for the time and
1035
date. (May be a float.)
1036
:param timezone: Optional timezone for timestamp, as an offset in
1038
:param committer: Optional committer in email-id format.
1039
(e.g. "J Random Hacker <jrandom@example.com>")
1040
:param authors: Optional list of authors in email-id format.
1041
:param revprops: Optional dictionary of revision properties.
1042
:param revision_id: Optional revision id. (Specifying a revision-id
1043
may reduce performance for some non-native formats.)
936
1044
:return: The revision_id of the revision committed.
938
1046
self._check_malformed()
965
1079
return revision_id
967
1081
def _text_parent(self, trans_id):
968
file_id = self.tree_file_id(trans_id)
1082
path = self.tree_path(trans_id)
970
if file_id is None or self._tree.kind(file_id) != 'file':
1084
if path is None or self._tree.kind(path) != 'file':
972
1086
except errors.NoSuchFile:
976
1090
def _get_parents_texts(self, trans_id):
977
1091
"""Get texts for compression parents of this file."""
978
file_id = self._text_parent(trans_id)
1092
path = self._text_parent(trans_id)
981
return (self._tree.get_file_text(file_id),)
1095
return (self._tree.get_file_text(path),)
983
1097
def _get_parents_lines(self, trans_id):
984
1098
"""Get lines for compression parents of this file."""
985
file_id = self._text_parent(trans_id)
1099
path = self._text_parent(trans_id)
988
return (self._tree.get_file_lines(file_id),)
1102
return (self._tree.get_file_lines(path),)
990
1104
def serialize(self, serializer):
991
1105
"""Serialize this TreeTransform.
993
1107
:param serializer: A Serialiser like pack.ContainerSerializer.
995
new_name = dict((k, v.encode('utf-8')) for k, v in
996
self._new_name.items())
997
new_executability = dict((k, int(v)) for k, v in
998
self._new_executability.items())
999
tree_path_ids = dict((k.encode('utf-8'), v)
1000
for k, v in self._tree_path_ids.items())
1109
new_name = {k.encode('utf-8'): v.encode('utf-8')
1110
for k, v in viewitems(self._new_name)}
1111
new_parent = {k.encode('utf-8'): v.encode('utf-8')
1112
for k, v in viewitems(self._new_parent)}
1113
new_id = {k.encode('utf-8'): v
1114
for k, v in viewitems(self._new_id)}
1115
new_executability = {k.encode('utf-8'): int(v)
1116
for k, v in viewitems(self._new_executability)}
1117
tree_path_ids = {k.encode('utf-8'): v.encode('utf-8')
1118
for k, v in viewitems(self._tree_path_ids)}
1119
non_present_ids = {k: v.encode('utf-8')
1120
for k, v in viewitems(self._non_present_ids)}
1121
removed_contents = [trans_id.encode('utf-8')
1122
for trans_id in self._removed_contents]
1123
removed_id = [trans_id.encode('utf-8')
1124
for trans_id in self._removed_id]
1002
'_id_number': self._id_number,
1003
'_new_name': new_name,
1004
'_new_parent': self._new_parent,
1005
'_new_executability': new_executability,
1006
'_new_id': self._new_id,
1007
'_tree_path_ids': tree_path_ids,
1008
'_removed_id': list(self._removed_id),
1009
'_removed_contents': list(self._removed_contents),
1010
'_non_present_ids': self._non_present_ids,
1126
b'_id_number': self._id_number,
1127
b'_new_name': new_name,
1128
b'_new_parent': new_parent,
1129
b'_new_executability': new_executability,
1131
b'_tree_path_ids': tree_path_ids,
1132
b'_removed_id': removed_id,
1133
b'_removed_contents': removed_contents,
1134
b'_non_present_ids': non_present_ids,
1012
1136
yield serializer.bytes_record(bencode.bencode(attribs),
1014
for trans_id, kind in self._new_contents.items():
1138
for trans_id, kind in sorted(viewitems(self._new_contents)):
1015
1139
if kind == 'file':
1016
lines = osutils.chunks_to_lines(
1017
self._read_file_chunks(trans_id))
1140
with open(self._limbo_name(trans_id), 'rb') as cur_file:
1141
lines = cur_file.readlines()
1018
1142
parents = self._get_parents_lines(trans_id)
1019
1143
mpdiff = multiparent.MultiParent.from_lines(lines, parents)
1020
content = ''.join(mpdiff.to_patch())
1144
content = b''.join(mpdiff.to_patch())
1021
1145
if kind == 'directory':
1023
1147
if kind == 'symlink':
1024
1148
content = self._read_symlink_target(trans_id)
1025
yield serializer.bytes_record(content, ((trans_id, kind),))
1149
if not isinstance(content, bytes):
1150
content = content.encode('utf-8')
1151
yield serializer.bytes_record(
1152
content, ((trans_id.encode('utf-8'), kind.encode('ascii')),))
1027
1154
def deserialize(self, records):
1028
1155
"""Deserialize a stored TreeTransform.
1030
1157
:param records: An iterable of (names, content) tuples, as per
1031
1158
pack.ContainerPushParser.
1033
names, content = records.next()
1160
names, content = next(records)
1034
1161
attribs = bencode.bdecode(content)
1035
self._id_number = attribs['_id_number']
1036
self._new_name = dict((k, v.decode('utf-8'))
1037
for k, v in attribs['_new_name'].items())
1038
self._new_parent = attribs['_new_parent']
1039
self._new_executability = dict((k, bool(v)) for k, v in
1040
attribs['_new_executability'].items())
1041
self._new_id = attribs['_new_id']
1042
self._r_new_id = dict((v, k) for k, v in self._new_id.items())
1162
self._id_number = attribs[b'_id_number']
1163
self._new_name = {k.decode('utf-8'): v.decode('utf-8')
1164
for k, v in viewitems(attribs[b'_new_name'])}
1165
self._new_parent = {k.decode('utf-8'): v.decode('utf-8')
1166
for k, v in viewitems(attribs[b'_new_parent'])}
1167
self._new_executability = {
1168
k.decode('utf-8'): bool(v)
1169
for k, v in viewitems(attribs[b'_new_executability'])}
1170
self._new_id = {k.decode('utf-8'): v
1171
for k, v in viewitems(attribs[b'_new_id'])}
1172
self._r_new_id = {v: k for k, v in viewitems(self._new_id)}
1043
1173
self._tree_path_ids = {}
1044
1174
self._tree_id_paths = {}
1045
for bytepath, trans_id in attribs['_tree_path_ids'].items():
1175
for bytepath, trans_id in viewitems(attribs[b'_tree_path_ids']):
1046
1176
path = bytepath.decode('utf-8')
1177
trans_id = trans_id.decode('utf-8')
1047
1178
self._tree_path_ids[path] = trans_id
1048
1179
self._tree_id_paths[trans_id] = path
1049
self._removed_id = set(attribs['_removed_id'])
1050
self._removed_contents = set(attribs['_removed_contents'])
1051
self._non_present_ids = attribs['_non_present_ids']
1180
self._removed_id = {trans_id.decode('utf-8')
1181
for trans_id in attribs[b'_removed_id']}
1182
self._removed_contents = set(
1183
trans_id.decode('utf-8')
1184
for trans_id in attribs[b'_removed_contents'])
1185
self._non_present_ids = {
1186
k: v.decode('utf-8')
1187
for k, v in viewitems(attribs[b'_non_present_ids'])}
1052
1188
for ((trans_id, kind),), content in records:
1189
trans_id = trans_id.decode('utf-8')
1190
kind = kind.decode('ascii')
1053
1191
if kind == 'file':
1054
1192
mpdiff = multiparent.MultiParent.from_patch(content)
1055
1193
lines = mpdiff.to_lines(self._get_parents_texts(trans_id))
1173
1327
descendants.update(self._limbo_descendants(descendant))
1174
1328
return descendants
1176
def create_file(self, contents, trans_id, mode_id=None):
1330
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1331
"""Schedule creation of a new file.
1181
Contents is an iterator of strings, all of which will be written
1182
to the target destination.
1184
New file takes the permissions of any existing file with that id,
1185
unless mode_id is specified.
1335
:param contents: an iterator of strings, all of which will be written
1336
to the target destination.
1337
:param trans_id: TreeTransform handle
1338
:param mode_id: If not None, force the mode of the target file to match
1339
the mode of the object referenced by mode_id.
1340
Otherwise, we will try to preserve mode bits of an existing file.
1341
:param sha1: If the sha1 of this content is already known, pass it in.
1342
We can use it to prevent future sha1 computations.
1187
1344
name = self._limbo_name(trans_id)
1188
f = open(name, 'wb')
1191
unique_add(self._new_contents, trans_id, 'file')
1193
# Clean up the file, it never got registered so
1194
# TreeTransform.finalize() won't clean it up.
1345
with open(name, 'wb') as f:
1346
unique_add(self._new_contents, trans_id, 'file')
1199
1347
f.writelines(contents)
1202
1348
self._set_mtime(name)
1203
1349
self._set_mode(trans_id, mode_id, S_ISREG)
1205
def _read_file_chunks(self, trans_id):
1206
cur_file = open(self._limbo_name(trans_id), 'rb')
1208
return cur_file.readlines()
1350
# It is unfortunate we have to use lstat instead of fstat, but we just
1351
# used utime and chmod on the file, so we need the accurate final
1353
if sha1 is not None:
1354
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1212
1356
def _read_symlink_target(self, trans_id):
1213
1357
return os.readlink(self._limbo_name(trans_id))
1274
1420
del self._limbo_children_names[trans_id]
1275
1421
delete_any(self._limbo_name(trans_id))
1423
def new_orphan(self, trans_id, parent_id):
1424
conf = self._tree.get_config_stack()
1425
handle_orphan = conf.get('transform.orphan_policy')
1426
handle_orphan(self, trans_id, parent_id)
1429
class OrphaningError(errors.BzrError):
1431
# Only bugs could lead to such exception being seen by the user
1432
internal_error = True
1433
_fmt = "Error while orphaning %s in %s directory"
1435
def __init__(self, orphan, parent):
1436
errors.BzrError.__init__(self)
1437
self.orphan = orphan
1438
self.parent = parent
1441
class OrphaningForbidden(OrphaningError):
1443
_fmt = "Policy: %s doesn't allow creating orphans."
1445
def __init__(self, policy):
1446
errors.BzrError.__init__(self)
1447
self.policy = policy
1450
def move_orphan(tt, orphan_id, parent_id):
1451
"""See TreeTransformBase.new_orphan.
1453
This creates a new orphan in the `brz-orphans` dir at the root of the
1456
:param tt: The TreeTransform orphaning `trans_id`.
1458
:param orphan_id: The trans id that should be orphaned.
1460
:param parent_id: The orphan parent trans id.
1462
# Add the orphan dir if it doesn't exist
1463
orphan_dir_basename = 'brz-orphans'
1464
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1465
if tt.final_kind(od_id) is None:
1466
tt.create_directory(od_id)
1467
parent_path = tt._tree_id_paths[parent_id]
1468
# Find a name that doesn't exist yet in the orphan dir
1469
actual_name = tt.final_name(orphan_id)
1470
new_name = tt._available_backup_name(actual_name, od_id)
1471
tt.adjust_path(new_name, od_id, orphan_id)
1472
trace.warning('%s has been orphaned in %s'
1473
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1476
def refuse_orphan(tt, orphan_id, parent_id):
1477
"""See TreeTransformBase.new_orphan.
1479
This refuses to create orphan, letting the caller handle the conflict.
1481
raise OrphaningForbidden('never')
1484
orphaning_registry = registry.Registry()
1485
orphaning_registry.register(
1486
u'conflict', refuse_orphan,
1487
'Leave orphans in place and create a conflict on the directory.')
1488
orphaning_registry.register(
1489
u'move', move_orphan,
1490
'Move orphans into the brz-orphans directory.')
1491
orphaning_registry._set_default_key(u'conflict')
1494
opt_transform_orphan = _mod_config.RegistryOption(
1495
'transform.orphan_policy', orphaning_registry,
1496
help='Policy for orphaned files during transform operations.',
1278
1500
class TreeTransform(DiskTreeTransform):
1279
1501
"""Represent a tree transformation.
1571
1787
inventory_delta.append((path, None, file_id, None))
1572
1788
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1574
entries = self._tree.iter_entries_by_dir(
1575
new_path_file_ids.values())
1576
old_paths = dict((e.file_id, p) for p, e in entries)
1578
1790
for num, (path, trans_id) in enumerate(new_paths):
1579
1791
if (num % 10) == 0:
1580
child_pb.update('adding file',
1792
child_pb.update(gettext('adding file'),
1581
1793
num + len(self._removed_id), total_entries)
1582
1794
file_id = new_path_file_ids[trans_id]
1583
1795
if file_id is None:
1587
kind = self.final_kind(trans_id)
1589
kind = self._tree.stored_kind(file_id)
1797
kind = self.final_kind(trans_id)
1799
kind = self._tree.stored_kind(
1800
self._tree.id2path(file_id), file_id)
1590
1801
parent_trans_id = self.final_parent(trans_id)
1591
1802
parent_file_id = new_path_file_ids.get(parent_trans_id)
1592
1803
if parent_file_id is None:
1621
1833
If inventory_delta is None, no inventory delta generation is performed.
1623
tree_paths = list(self._tree_path_ids.iteritems())
1624
tree_paths.sort(reverse=True)
1625
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1627
for num, data in enumerate(tree_paths):
1628
path, trans_id = data
1629
child_pb.update('removing file', num, len(tree_paths))
1835
tree_paths = sorted(viewitems(self._tree_path_ids), reverse=True)
1836
with ui.ui_factory.nested_progress_bar() as child_pb:
1837
for num, (path, trans_id) in enumerate(tree_paths):
1838
# do not attempt to move root into a subdirectory of itself.
1841
child_pb.update(gettext('removing file'), num, len(tree_paths))
1630
1842
full_path = self._tree.abspath(path)
1631
1843
if trans_id in self._removed_contents:
1632
1844
delete_path = os.path.join(self._deletiondir, trans_id)
1633
1845
mover.pre_delete(full_path, delete_path)
1634
elif (trans_id in self._new_name
1635
or trans_id in self._new_parent):
1846
elif (trans_id in self._new_name or
1847
trans_id in self._new_parent):
1637
1849
mover.rename(full_path, self._limbo_name(trans_id))
1850
except errors.TransformRenameFailed as e:
1639
1851
if e.errno != errno.ENOENT:
1642
1854
self.rename_count += 1
1646
1856
def _apply_insertions(self, mover):
1647
1857
"""Perform tree operations that insert directory/inventory names.
1656
1866
new_paths = self.new_paths(filesystem_only=True)
1657
1867
modified_paths = []
1658
new_path_file_ids = dict((t, self.final_file_id(t)) for p, t in
1660
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
1868
with ui.ui_factory.nested_progress_bar() as child_pb:
1662
1869
for num, (path, trans_id) in enumerate(new_paths):
1663
1870
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1871
child_pb.update(gettext('adding file'),
1872
num, len(new_paths))
1665
1873
full_path = self._tree.abspath(path)
1666
1874
if trans_id in self._needs_rename:
1668
1876
mover.rename(self._limbo_name(trans_id), full_path)
1877
except errors.TransformRenameFailed as e:
1670
1878
# We may be renaming a dangling inventory id
1671
1879
if e.errno != errno.ENOENT:
1674
1882
self.rename_count += 1
1675
if (trans_id in self._new_contents or
1676
self.path_changed(trans_id)):
1883
# TODO: if trans_id in self._observed_sha1s, we should
1884
# re-stat the final target, since ctime will be
1885
# updated by the change.
1886
if (trans_id in self._new_contents
1887
or self.path_changed(trans_id)):
1677
1888
if trans_id in self._new_contents:
1678
1889
modified_paths.append(full_path)
1679
1890
if trans_id in self._new_executability:
1680
1891
self._set_executability(path, trans_id)
1892
if trans_id in self._observed_sha1s:
1893
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1894
st = osutils.lstat(full_path)
1895
self._observed_sha1s[trans_id] = (o_sha1, st)
1896
for path, trans_id in new_paths:
1897
# new_paths includes stuff like workingtree conflicts. Only the
1898
# stuff in new_contents actually comes from limbo.
1899
if trans_id in self._limbo_files:
1900
del self._limbo_files[trans_id]
1683
1901
self._new_contents.clear()
1684
1902
return modified_paths
1904
def _apply_observed_sha1s(self):
1905
"""After we have finished renaming everything, update observed sha1s
1907
This has to be done after self._tree.apply_inventory_delta, otherwise
1908
it doesn't know anything about the files we are updating. Also, we want
1909
to do this as late as possible, so that most entries end up cached.
1911
# TODO: this doesn't update the stat information for directories. So
1912
# the first 'bzr status' will still need to rewrite
1913
# .bzr/checkout/dirstate. However, we at least don't need to
1914
# re-read all of the files.
1915
# TODO: If the operation took a while, we could do a time.sleep(3) here
1916
# to allow the clock to tick over and ensure we won't have any
1917
# problems. (we could observe start time, and finish time, and if
1918
# it is less than eg 10% overhead, add a sleep call.)
1919
paths = FinalPaths(self)
1920
for trans_id, observed in viewitems(self._observed_sha1s):
1921
path = paths.get_path(trans_id)
1922
self._tree._observed_sha1(path, observed)
1687
1925
class TransformPreview(DiskTreeTransform):
1688
1926
"""A TreeTransform for generating preview trees.
1766
2010
except errors.NoSuchRevisionInTree:
1767
2011
yield self._get_repository().revision_tree(revision_id)
1769
def _get_file_revision(self, file_id, vf, tree_revision):
1770
parent_keys = [(file_id, self._file_revision(t, file_id)) for t in
1771
self._iter_parent_trees()]
2013
def _get_file_revision(self, path, file_id, vf, tree_revision):
2015
(file_id, t.get_file_revision(t.id2path(file_id)))
2016
for t in self._iter_parent_trees()]
1772
2017
vf.add_lines((file_id, tree_revision), parent_keys,
1773
self.get_file(file_id).readlines())
2018
self.get_file_lines(path))
1774
2019
repo = self._get_repository()
1775
2020
base_vf = repo.texts
1776
2021
if base_vf not in vf.fallback_versionedfiles:
1777
2022
vf.fallback_versionedfiles.append(base_vf)
1778
2023
return tree_revision
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2025
def _stat_limbo_file(self, trans_id):
1782
2026
name = self._transform._limbo_name(trans_id)
1783
2027
return os.lstat(name)
1937
2207
ordered_ids = self._list_files_by_dir()
1938
2208
for entry, trans_id in self._make_inv_entries(ordered_ids,
1939
specific_file_ids, yield_parents=yield_parents):
1940
yield unicode(self._final_paths.get_path(trans_id)), entry
2210
yield self._final_paths.get_path(trans_id), entry
1942
2212
def _iter_entries_for_dir(self, dir_path):
1943
2213
"""Return path, entry for items in a directory without recursing down."""
1944
dir_file_id = self.path2id(dir_path)
1945
2214
ordered_ids = []
1946
for file_id in self.iter_children(dir_file_id):
1947
trans_id = self._transform.trans_id_file_id(file_id)
1948
ordered_ids.append((trans_id, file_id))
2215
dir_trans_id = self._path2trans_id(dir_path)
2216
dir_id = self._transform.final_file_id(dir_trans_id)
2217
for child_trans_id in self._all_children(dir_trans_id):
2218
ordered_ids.append((child_trans_id, dir_id))
1949
2220
for entry, trans_id in self._make_inv_entries(ordered_ids):
1950
yield unicode(self._final_paths.get_path(trans_id)), entry
2221
path_entries.append((self._final_paths.get_path(trans_id), entry))
1952
2225
def list_files(self, include_root=False, from_dir=None, recursive=True):
1953
2226
"""See WorkingTree.list_files."""
1954
2227
# XXX This should behave like WorkingTree.list_files, but is really
1955
2228
# more like RevisionTree.list_files.
1970
2245
if from_dir is None and include_root is True:
1971
2246
root_entry = inventory.make_entry('directory', '',
1972
ROOT_PARENT, self.get_root_id())
2247
ROOT_PARENT, self.get_root_id())
1973
2248
yield '', 'V', 'directory', root_entry.file_id, root_entry
1974
2249
entries = self._iter_entries_for_dir(from_dir or '')
1975
2250
for path, entry in entries:
1976
2251
yield path, 'V', entry.kind, entry.file_id, entry
1978
def kind(self, file_id):
1979
trans_id = self._transform.trans_id_file_id(file_id)
2253
def kind(self, path):
2254
trans_id = self._path2trans_id(path)
2255
if trans_id is None:
2256
raise errors.NoSuchFile(path)
1980
2257
return self._transform.final_kind(trans_id)
1982
def stored_kind(self, file_id):
1983
trans_id = self._transform.trans_id_file_id(file_id)
2259
def stored_kind(self, path):
2260
trans_id = self._path2trans_id(path)
2261
if trans_id is None:
2262
raise errors.NoSuchFile(path)
1985
2264
return self._transform._new_contents[trans_id]
1986
2265
except KeyError:
1987
return self._transform._tree.stored_kind(file_id)
2266
return self._transform._tree.stored_kind(path)
1989
def get_file_mtime(self, file_id, path=None):
2268
def get_file_mtime(self, path):
1990
2269
"""See Tree.get_file_mtime"""
2270
file_id = self.path2id(path)
2272
raise errors.NoSuchFile(path)
1991
2273
if not self._content_change(file_id):
1992
return self._transform._tree.get_file_mtime(file_id)
1993
return self._stat_limbo_file(file_id).st_mtime
1995
def _file_size(self, entry, stat_value):
1996
return self.get_file_size(entry.file_id)
1998
def get_file_size(self, file_id):
2274
return self._transform._tree.get_file_mtime(
2275
self._transform._tree.id2path(file_id))
2276
trans_id = self._path2trans_id(path)
2277
return self._stat_limbo_file(trans_id).st_mtime
2279
def get_file_size(self, path):
1999
2280
"""See Tree.get_file_size"""
2000
if self.kind(file_id) == 'file':
2001
return self._transform._tree.get_file_size(file_id)
2281
trans_id = self._path2trans_id(path)
2282
if trans_id is None:
2283
raise errors.NoSuchFile(path)
2284
kind = self._transform.final_kind(trans_id)
2287
if trans_id in self._transform._new_contents:
2288
return self._stat_limbo_file(trans_id).st_size
2289
if self.kind(path) == 'file':
2290
return self._transform._tree.get_file_size(path)
2005
def get_file_sha1(self, file_id, path=None, stat_value=None):
2006
trans_id = self._transform.trans_id_file_id(file_id)
2007
kind = self._transform._new_contents.get(trans_id)
2009
return self._transform._tree.get_file_sha1(file_id)
2011
fileobj = self.get_file(file_id)
2294
def get_file_verifier(self, path, stat_value=None):
2295
trans_id = self._path2trans_id(path)
2296
if trans_id is None:
2297
raise errors.NoSuchFile(path)
2298
kind = self._transform._new_contents.get(trans_id)
2300
return self._transform._tree.get_file_verifier(path)
2302
with self.get_file(path) as fileobj:
2303
return ("SHA1", sha_file(fileobj))
2305
def get_file_sha1(self, path, stat_value=None):
2306
trans_id = self._path2trans_id(path)
2307
if trans_id is None:
2308
raise errors.NoSuchFile(path)
2309
kind = self._transform._new_contents.get(trans_id)
2311
return self._transform._tree.get_file_sha1(path)
2313
with self.get_file(path) as fileobj:
2013
2314
return sha_file(fileobj)
2017
def is_executable(self, file_id, path=None):
2316
def is_executable(self, path):
2317
trans_id = self._path2trans_id(path)
2318
if trans_id is None:
2020
trans_id = self._transform.trans_id_file_id(file_id)
2022
2321
return self._transform._new_executability[trans_id]
2023
2322
except KeyError:
2025
return self._transform._tree.is_executable(file_id, path)
2324
return self._transform._tree.is_executable(path)
2325
except OSError as e:
2027
2326
if e.errno == errno.ENOENT:
2030
except errors.NoSuchId:
2329
except errors.NoSuchFile:
2332
def has_filename(self, path):
2333
trans_id = self._path2trans_id(path)
2334
if trans_id in self._transform._new_contents:
2336
elif trans_id in self._transform._removed_contents:
2339
return self._transform._tree.has_filename(path)
2033
2341
def path_content_summary(self, path):
2034
2342
trans_id = self._path2trans_id(path)
2035
2343
tt = self._transform
2057
2365
executable = None
2058
2366
if kind == 'symlink':
2059
link_or_sha1 = os.readlink(limbo_name).decode(osutils._fs_enc)
2367
link_or_sha1 = os.readlink(limbo_name)
2368
if not isinstance(link_or_sha1, text_type):
2369
link_or_sha1 = link_or_sha1.decode(osutils._fs_enc)
2060
2370
executable = tt._new_executability.get(trans_id, executable)
2061
2371
return kind, size, executable, link_or_sha1
2063
2373
def iter_changes(self, from_tree, include_unchanged=False,
2064
specific_files=None, pb=None, extra_trees=None,
2065
require_versioned=True, want_unversioned=False):
2374
specific_files=None, pb=None, extra_trees=None,
2375
require_versioned=True, want_unversioned=False):
2066
2376
"""See InterTree.iter_changes.
2068
2378
This has a fast path that is only used when the from_tree matches
2069
2379
the transform tree, and no fancy options are supplied.
2071
if (from_tree is not self._transform._tree or include_unchanged or
2072
specific_files or want_unversioned):
2381
if (from_tree is not self._transform._tree or include_unchanged
2382
or specific_files or want_unversioned):
2073
2383
return tree.InterTree(from_tree, self).iter_changes(
2074
2384
include_unchanged=include_unchanged,
2075
2385
specific_files=specific_files,
2081
2391
raise ValueError('want_unversioned is not supported')
2082
2392
return self._transform.iter_changes()
2084
def get_file(self, file_id, path=None):
2394
def get_file(self, path):
2085
2395
"""See Tree.get_file"""
2396
file_id = self.path2id(path)
2086
2397
if not self._content_change(file_id):
2087
return self._transform._tree.get_file(file_id, path)
2088
trans_id = self._transform.trans_id_file_id(file_id)
2398
return self._transform._tree.get_file(path)
2399
trans_id = self._path2trans_id(path)
2089
2400
name = self._transform._limbo_name(trans_id)
2090
2401
return open(name, 'rb')
2092
def get_file_with_stat(self, file_id, path=None):
2093
return self.get_file(file_id, path), None
2403
def get_file_with_stat(self, path):
2404
return self.get_file(path), None
2095
def annotate_iter(self, file_id,
2406
def annotate_iter(self, path,
2096
2407
default_revision=_mod_revision.CURRENT_REVISION):
2408
file_id = self.path2id(path)
2097
2409
changes = self._iter_changes_cache.get(file_id)
2098
2410
if changes is None:
2243
2557
:param delta_from_tree: If true, build_tree may use the input Tree to
2244
2558
generate the inventory delta.
2246
wt.lock_tree_write()
2560
with wt.lock_tree_write(), tree.lock_read():
2561
if accelerator_tree is not None:
2562
accelerator_tree.lock_read()
2564
return _build_tree(tree, wt, accelerator_tree, hardlink,
2250
2567
if accelerator_tree is not None:
2251
accelerator_tree.lock_read()
2253
return _build_tree(tree, wt, accelerator_tree, hardlink,
2256
if accelerator_tree is not None:
2257
accelerator_tree.unlock()
2568
accelerator_tree.unlock()
2264
2571
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2265
2572
"""See build_tree."""
2266
for num, _unused in enumerate(wt.all_file_ids()):
2573
for num, _unused in enumerate(wt.all_versioned_paths()):
2267
2574
if num > 0: # more than just a root
2268
2575
raise errors.WorkingTreeAlreadyPopulated(base=wt.basedir)
2269
existing_files = set()
2270
for dir, files in wt.walkdirs():
2271
existing_files.update(f[0] for f in files)
2272
2576
file_trans_id = {}
2273
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2577
top_pb = ui.ui_factory.nested_progress_bar()
2274
2578
pp = ProgressPhase("Build phase", 2, top_pb)
2275
if tree.inventory.root is not None:
2579
if tree.get_root_id() is not None:
2276
2580
# This is kind of a hack: we should be altering the root
2277
2581
# as part of the regular tree shape diff logic.
2278
2582
# The conditional test here is to avoid doing an
2289
2593
pp.next_phase()
2290
file_trans_id[wt.get_root_id()] = \
2291
tt.trans_id_tree_file_id(wt.get_root_id())
2292
pb = bzrlib.ui.ui_factory.nested_progress_bar()
2594
file_trans_id[wt.get_root_id()] = tt.trans_id_tree_path('')
2595
with ui.ui_factory.nested_progress_bar() as pb:
2294
2596
deferred_contents = []
2296
total = len(tree.inventory)
2598
total = len(tree.all_versioned_paths())
2297
2599
if delta_from_tree:
2298
2600
precomputed_delta = []
2300
2602
precomputed_delta = None
2603
# Check if tree inventory has content. If so, we populate
2604
# existing_files with the directory content. If there are no
2605
# entries we skip populating existing_files as its not used.
2606
# This improves performance and unncessary work on large
2607
# directory trees. (#501307)
2609
existing_files = set()
2610
for dir, files in wt.walkdirs():
2611
existing_files.update(f[0] for f in files)
2301
2612
for num, (tree_path, entry) in \
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2613
enumerate(tree.iter_entries_by_dir()):
2614
pb.update(gettext("Building tree"), num
2615
- len(deferred_contents), total)
2304
2616
if entry.parent_id is None:
2306
2618
reparent = False
2330
2643
trans_id = tt.create_path(entry.name, parent_id)
2331
2644
file_trans_id[file_id] = trans_id
2332
2645
tt.version_file(file_id, trans_id)
2333
executable = tree.is_executable(file_id, tree_path)
2646
executable = tree.is_executable(tree_path)
2335
2648
tt.set_executability(executable, trans_id)
2336
trans_data = (trans_id, tree_path)
2337
deferred_contents.append((file_id, trans_data))
2649
trans_data = (trans_id, file_id,
2650
tree_path, entry.text_sha1)
2651
deferred_contents.append((tree_path, trans_data))
2339
file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2653
file_trans_id[file_id] = new_by_entry(
2654
tree_path, tt, entry, parent_id, tree)
2342
2656
new_trans_id = file_trans_id[file_id]
2343
2657
old_parent = tt.trans_id_tree_path(tree_path)
2376
2690
new_desired_files = desired_files
2378
2692
iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2379
unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2693
unchanged = [(p[0], p[1]) for (f, p, c, v, d, n, k, e)
2380
2694
in iter if not (c or e[0] != e[1])]
2381
2695
if accelerator_tree.supports_content_filtering():
2382
unchanged = [(f, p) for (f, p) in unchanged
2383
if not accelerator_tree.iter_search_rules([p]).next()]
2696
unchanged = [(tp, ap) for (tp, ap) in unchanged
2697
if not next(accelerator_tree.iter_search_rules([ap]))]
2384
2698
unchanged = dict(unchanged)
2385
2699
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2388
accelerator_path = unchanged.get(file_id)
2701
for unused_tree_path, (trans_id, file_id, tree_path, text_sha1) in desired_files:
2702
accelerator_path = unchanged.get(tree_path)
2389
2703
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2704
new_desired_files.append((tree_path,
2705
(trans_id, file_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2707
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2709
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2397
contents = accelerator_tree.get_file(file_id, accelerator_path)
2398
if wt.supports_content_filtering():
2399
filters = wt._content_filter_stack(tree_path)
2400
contents = filtered_output_bytes(contents, filters,
2401
ContentFilterContext(tree_path, tree))
2403
tt.create_file(contents, trans_id)
2407
except AttributeError:
2408
# after filtering, contents may no longer be file-like
2712
with accelerator_tree.get_file(accelerator_path, file_id) as f:
2713
chunks = osutils.file_iterator(f)
2714
if wt.supports_content_filtering():
2715
filters = wt._content_filter_stack(tree_path)
2716
chunks = filtered_output_bytes(chunks, filters,
2717
ContentFilterContext(tree_path, tree))
2718
tt.create_file(chunks, trans_id, sha1=text_sha1)
2411
2720
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2721
for count, ((trans_id, file_id, tree_path, text_sha1), contents) in enumerate(
2413
2722
tree.iter_files_bytes(new_desired_files)):
2414
2723
if wt.supports_content_filtering():
2415
2724
filters = wt._content_filter_stack(tree_path)
2416
2725
contents = filtered_output_bytes(contents, filters,
2417
ContentFilterContext(tree_path, tree))
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2726
ContentFilterContext(tree_path, tree))
2727
tt.create_file(contents, trans_id, sha1=text_sha1)
2728
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2731
def _reparent_children(tt, old_parent, new_parent):
2423
2732
for child in tt.iter_tree_children(old_parent):
2424
2733
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2736
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2737
by_parent = tt.by_parent()
2428
2738
for child in by_parent[old_parent]:
2429
2739
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2740
return by_parent[old_parent]
2432
def _content_match(tree, entry, file_id, kind, target_path):
2743
def _content_match(tree, entry, tree_path, file_id, kind, target_path):
2433
2744
if entry.kind != kind:
2435
2746
if entry.kind == "directory":
2437
2748
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2749
with open(target_path, 'rb') as f1, \
2750
tree.get_file(tree_path) as f2:
2751
if osutils.compare_files(f1, f2):
2440
2753
elif entry.kind == "symlink":
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2754
if tree.get_symlink_target(tree_path) == os.readlink(target_path):
2462
2775
final_parent = tt.final_parent(old_file)
2463
2776
if new_file in divert:
2464
new_name = tt.final_name(old_file)+'.diverted'
2777
new_name = tt.final_name(old_file) + '.diverted'
2465
2778
tt.adjust_path(new_name, final_parent, new_file)
2466
2779
new_conflicts.add((c_type, 'Diverted to',
2467
2780
new_file, old_file))
2469
new_name = tt.final_name(old_file)+'.moved'
2782
new_name = tt.final_name(old_file) + '.moved'
2470
2783
tt.adjust_path(new_name, final_parent, old_file)
2471
2784
new_conflicts.add((c_type, 'Moved existing file to',
2472
2785
old_file, new_file))
2473
2786
return new_conflicts
2476
def new_by_entry(tt, entry, parent_id, tree):
2789
def new_by_entry(path, tt, entry, parent_id, tree):
2477
2790
"""Create a new file according to its inventory entry"""
2478
2791
name = entry.name
2479
2792
kind = entry.kind
2480
2793
if kind == 'file':
2481
contents = tree.get_file(entry.file_id).readlines()
2482
executable = tree.is_executable(entry.file_id)
2483
return tt.new_file(name, parent_id, contents, entry.file_id,
2794
with tree.get_file(path) as f:
2795
executable = tree.is_executable(path)
2797
name, parent_id, osutils.file_iterator(f), entry.file_id,
2485
2799
elif kind in ('directory', 'tree-reference'):
2486
2800
trans_id = tt.new_directory(name, parent_id, entry.file_id)
2487
2801
if kind == 'tree-reference':
2488
2802
tt.set_tree_reference(entry.reference_revision, trans_id)
2489
2803
return trans_id
2490
2804
elif kind == 'symlink':
2491
target = tree.get_symlink_target(entry.file_id)
2805
target = tree.get_symlink_target(path)
2492
2806
return tt.new_symlink(name, parent_id, target, entry.file_id)
2494
2808
raise errors.BadFileKindError(name, kind)
2497
@deprecated_function(deprecated_in((1, 9, 0)))
2498
def create_by_entry(tt, entry, tree, trans_id, lines=None, mode_id=None):
2499
"""Create new file contents according to an inventory entry.
2501
DEPRECATED. Use create_from_tree instead.
2503
if entry.kind == "file":
2505
lines = tree.get_file(entry.file_id).readlines()
2506
tt.create_file(lines, trans_id, mode_id=mode_id)
2507
elif entry.kind == "symlink":
2508
tt.create_symlink(tree.get_symlink_target(entry.file_id), trans_id)
2509
elif entry.kind == "directory":
2510
tt.create_directory(trans_id)
2513
def create_from_tree(tt, trans_id, tree, file_id, bytes=None,
2514
filter_tree_path=None):
2811
def create_from_tree(tt, trans_id, tree, path, file_id=None, chunks=None,
2812
filter_tree_path=None):
2515
2813
"""Create new file contents according to tree contents.
2517
2815
:param filter_tree_path: the tree path to use to lookup
2518
2816
content filters to apply to the bytes output in the working tree.
2519
2817
This only applies if the working tree supports content filtering.
2521
kind = tree.kind(file_id)
2819
kind = tree.kind(path)
2522
2820
if kind == 'directory':
2523
2821
tt.create_directory(trans_id)
2524
2822
elif kind == "file":
2526
tree_file = tree.get_file(file_id)
2528
bytes = tree_file.readlines()
2532
if wt.supports_content_filtering() and filter_tree_path is not None:
2533
filters = wt._content_filter_stack(filter_tree_path)
2534
bytes = filtered_output_bytes(bytes, filters,
2535
ContentFilterContext(filter_tree_path, tree))
2536
tt.create_file(bytes, trans_id)
2824
f = tree.get_file(path)
2825
chunks = osutils.file_iterator(f)
2830
if wt.supports_content_filtering() and filter_tree_path is not None:
2831
filters = wt._content_filter_stack(filter_tree_path)
2832
chunks = filtered_output_bytes(
2834
ContentFilterContext(filter_tree_path, tree))
2835
tt.create_file(chunks, trans_id)
2537
2839
elif kind == "symlink":
2538
tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2840
tt.create_symlink(tree.get_symlink_target(path), trans_id)
2540
2842
raise AssertionError('Unknown kind %r' % kind)
2546
2848
tt.set_executability(entry.executable, trans_id)
2549
def get_backup_name(entry, by_parent, parent_trans_id, tt):
2550
return _get_backup_name(entry.name, by_parent, parent_trans_id, tt)
2553
def _get_backup_name(name, by_parent, parent_trans_id, tt):
2554
"""Produce a backup-style name that appears to be available"""
2558
yield "%s.~%d~" % (name, counter)
2560
for new_name in name_gen():
2561
if not tt.has_named_child(by_parent, parent_trans_id, new_name):
2565
def _entry_changes(file_id, entry, working_tree):
2566
"""Determine in which ways the inventory entry has changed.
2568
Returns booleans: has_contents, content_mod, meta_mod
2569
has_contents means there are currently contents, but they differ
2570
contents_mod means contents need to be modified
2571
meta_mod means the metadata needs to be modified
2573
cur_entry = working_tree.inventory[file_id]
2575
working_kind = working_tree.kind(file_id)
2578
has_contents = False
2581
if has_contents is True:
2582
if entry.kind != working_kind:
2583
contents_mod, meta_mod = True, False
2585
cur_entry._read_tree_state(working_tree.id2path(file_id),
2587
contents_mod, meta_mod = entry.detect_changes(cur_entry)
2588
cur_entry._forget_tree_state()
2589
return has_contents, contents_mod, meta_mod
2592
2851
def revert(working_tree, target_tree, filenames, backups=False,
2593
2852
pb=None, change_reporter=None):
2594
2853
"""Revert a working tree's contents to those of a target tree."""
2595
target_tree.lock_read()
2596
2854
pb = ui.ui_factory.nested_progress_bar()
2597
tt = TreeTransform(working_tree, pb)
2599
pp = ProgressPhase("Revert phase", 3, pb)
2600
conflicts, merge_modified = _prepare_revert_transform(
2601
working_tree, target_tree, tt, filenames, backups, pp)
2603
change_reporter = delta._ChangeReporter(
2604
unversioned_filter=working_tree.is_ignored)
2605
delta.report_changes(tt.iter_changes(), change_reporter)
2606
for conflict in conflicts:
2610
working_tree.set_merge_modified(merge_modified)
2856
with target_tree.lock_read(), TreeTransform(working_tree, pb) as tt:
2857
pp = ProgressPhase("Revert phase", 3, pb)
2858
conflicts, merge_modified = _prepare_revert_transform(
2859
working_tree, target_tree, tt, filenames, backups, pp)
2861
change_reporter = delta._ChangeReporter(
2862
unversioned_filter=working_tree.is_ignored)
2863
delta.report_changes(tt.iter_changes(), change_reporter)
2864
for conflict in conflicts:
2865
trace.warning(text_type(conflict))
2868
if working_tree.supports_merge_modified():
2869
working_tree.set_merge_modified(merge_modified)
2612
target_tree.unlock()
2615
2872
return conflicts
2618
2875
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2619
2876
backups, pp, basis_tree=None,
2620
2877
merge_modified=None):
2621
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2878
with ui.ui_factory.nested_progress_bar() as child_pb:
2623
2879
if merge_modified is None:
2624
2880
merge_modified = working_tree.merge_modified()
2625
2881
merge_modified = _alter_files(working_tree, target_tree, tt,
2626
2882
child_pb, filenames, backups,
2627
2883
merge_modified, basis_tree)
2630
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2632
raw_conflicts = resolve_conflicts(tt, child_pb,
2633
lambda t, c: conflict_pass(t, c, target_tree))
2884
with ui.ui_factory.nested_progress_bar() as child_pb:
2885
raw_conflicts = resolve_conflicts(
2886
tt, child_pb, lambda t, c: conflict_pass(t, c, target_tree))
2636
2887
conflicts = cook_conflicts(raw_conflicts, tt)
2637
2888
return conflicts, merge_modified
2641
2892
backups, merge_modified, basis_tree=None):
2642
2893
if basis_tree is not None:
2643
2894
basis_tree.lock_read()
2644
change_list = target_tree.iter_changes(working_tree,
2645
specific_files=specific_files, pb=pb)
2646
if target_tree.get_root_id() is None:
2895
# We ask the working_tree for its changes relative to the target, rather
2896
# than the target changes relative to the working tree. Because WT4 has an
2897
# optimizer to compare itself to a target, but no optimizer for the
2899
change_list = working_tree.iter_changes(
2900
target_tree, specific_files=specific_files, pb=pb)
2901
if not target_tree.is_versioned(u''):
2647
2902
skip_root = True
2649
2904
skip_root = False
2651
2906
deferred_files = []
2652
2907
for id_num, (file_id, path, changed_content, versioned, parent, name,
2653
kind, executable) in enumerate(change_list):
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2908
kind, executable) in enumerate(change_list):
2909
target_path, wt_path = path
2910
target_versioned, wt_versioned = versioned
2911
target_parent, wt_parent = parent
2912
target_name, wt_name = name
2913
target_kind, wt_kind = kind
2914
target_executable, wt_executable = executable
2915
if skip_root and wt_parent is None:
2656
2917
trans_id = tt.trans_id_file_id(file_id)
2658
2919
if changed_content:
2659
2920
keep_content = False
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2661
wt_sha1 = working_tree.get_file_sha1(file_id)
2921
if wt_kind == 'file' and (backups or target_kind is None):
2922
wt_sha1 = working_tree.get_file_sha1(wt_path)
2662
2923
if merge_modified.get(file_id) != wt_sha1:
2663
2924
# acquire the basis tree lazily to prevent the
2664
2925
# expense of accessing it when it's not needed ?
2666
2927
if basis_tree is None:
2667
2928
basis_tree = working_tree.basis_tree()
2668
2929
basis_tree.lock_read()
2669
if file_id in basis_tree:
2670
if wt_sha1 != basis_tree.get_file_sha1(file_id):
2672
elif kind[1] is None and not versioned[1]:
2674
if kind[0] is not None:
2930
basis_path = find_previous_path(
2931
working_tree, basis_tree, wt_path)
2932
if basis_path is None:
2933
if target_kind is None and not target_versioned:
2936
if wt_sha1 != basis_tree.get_file_sha1(basis_path):
2938
if wt_kind is not None:
2675
2939
if not keep_content:
2676
2940
tt.delete_contents(trans_id)
2677
elif kind[1] is not None:
2678
parent_trans_id = tt.trans_id_file_id(parent[0])
2679
by_parent = tt.by_parent()
2680
backup_name = _get_backup_name(name[0], by_parent,
2681
parent_trans_id, tt)
2941
elif target_kind is not None:
2942
parent_trans_id = tt.trans_id_file_id(wt_parent)
2943
backup_name = tt._available_backup_name(
2944
wt_name, parent_trans_id)
2682
2945
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2946
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2947
if wt_versioned and target_versioned:
2685
2948
tt.unversion_file(trans_id)
2686
2949
tt.version_file(file_id, new_trans_id)
2687
2950
# New contents should have the same unix perms as old
2689
2952
mode_id = trans_id
2690
2953
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2954
if target_kind in ('directory', 'tree-reference'):
2692
2955
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2694
revision = target_tree.get_reference_revision(file_id,
2956
if target_kind == 'tree-reference':
2957
revision = target_tree.get_reference_revision(
2696
2959
tt.set_tree_reference(revision, trans_id)
2697
elif kind[1] == 'symlink':
2698
tt.create_symlink(target_tree.get_symlink_target(file_id),
2700
elif kind[1] == 'file':
2701
deferred_files.append((file_id, (trans_id, mode_id)))
2960
elif target_kind == 'symlink':
2961
tt.create_symlink(target_tree.get_symlink_target(
2962
target_path), trans_id)
2963
elif target_kind == 'file':
2964
deferred_files.append(
2965
(target_path, (trans_id, mode_id, file_id)))
2702
2966
if basis_tree is None:
2703
2967
basis_tree = working_tree.basis_tree()
2704
2968
basis_tree.lock_read()
2705
new_sha1 = target_tree.get_file_sha1(file_id)
2706
if (file_id in basis_tree and new_sha1 ==
2707
basis_tree.get_file_sha1(file_id)):
2969
new_sha1 = target_tree.get_file_sha1(target_path)
2970
basis_path = find_previous_path(target_tree, basis_tree, target_path)
2971
if (basis_path is not None and
2972
new_sha1 == basis_tree.get_file_sha1(basis_path)):
2708
2973
if file_id in merge_modified:
2709
2974
del merge_modified[file_id]
2711
2976
merge_modified[file_id] = new_sha1
2713
2978
# preserve the execute bit when backing up
2714
if keep_content and executable[0] == executable[1]:
2715
tt.set_executability(executable[1], trans_id)
2716
elif kind[1] is not None:
2717
raise AssertionError(kind[1])
2718
if versioned == (False, True):
2979
if keep_content and wt_executable == target_executable:
2980
tt.set_executability(target_executable, trans_id)
2981
elif target_kind is not None:
2982
raise AssertionError(target_kind)
2983
if not wt_versioned and target_versioned:
2719
2984
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
2985
if wt_versioned and not target_versioned:
2721
2986
tt.unversion_file(trans_id)
2722
if (name[1] is not None and
2723
(name[0] != name[1] or parent[0] != parent[1])):
2724
if name[1] == '' and parent[1] is None:
2987
if (target_name is not None
2988
and (wt_name != target_name or wt_parent != target_parent)):
2989
if target_name == '' and target_parent is None:
2725
2990
parent_trans = ROOT_PARENT
2727
parent_trans = tt.trans_id_file_id(parent[1])
2728
if parent[0] is None and versioned[0]:
2729
tt.adjust_root_path(name[1], parent_trans)
2992
parent_trans = tt.trans_id_file_id(target_parent)
2993
if wt_parent is None and wt_versioned:
2994
tt.adjust_root_path(target_name, parent_trans)
2731
tt.adjust_path(name[1], parent_trans, trans_id)
2732
if executable[0] != executable[1] and kind[1] == "file":
2733
tt.set_executability(executable[1], trans_id)
2996
tt.adjust_path(target_name, parent_trans, trans_id)
2997
if wt_executable != target_executable and target_kind == "file":
2998
tt.set_executability(target_executable, trans_id)
2734
2999
if working_tree.supports_content_filtering():
2735
for index, ((trans_id, mode_id), bytes) in enumerate(
2736
target_tree.iter_files_bytes(deferred_files)):
2737
file_id = deferred_files[index][0]
3000
for (trans_id, mode_id, file_id), bytes in (
3001
target_tree.iter_files_bytes(deferred_files)):
2738
3002
# We're reverting a tree to the target tree so using the
2739
3003
# target tree to find the file path seems the best choice
2740
3004
# here IMO - Ian C 27/Oct/2009
2741
3005
filter_tree_path = target_tree.id2path(file_id)
2742
3006
filters = working_tree._content_filter_stack(filter_tree_path)
2743
bytes = filtered_output_bytes(bytes, filters,
3007
bytes = filtered_output_bytes(
2744
3009
ContentFilterContext(filter_tree_path, working_tree))
2745
3010
tt.create_file(bytes, trans_id, mode_id)
2747
for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
3012
for (trans_id, mode_id, file_id), bytes in target_tree.iter_files_bytes(
2749
3014
tt.create_file(bytes, trans_id, mode_id)
2750
3015
tt.fixup_new_roots()
2920
3203
def rollback(self):
2921
3204
"""Reverse all renames that have been performed"""
2922
3205
for from_, to in reversed(self.past_renames):
2923
osutils.rename(to, from_)
3207
os.rename(to, from_)
3208
except OSError as e:
3209
raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
2924
3210
# after rollback, don't reuse _FileMover
2926
pending_deletions = None
3211
self.past_renames = None
3212
self.pending_deletions = None
2928
3214
def apply_deletions(self):
2929
3215
"""Apply all marked deletions"""
2930
3216
for path in self.pending_deletions:
2931
3217
delete_any(path)
2932
3218
# after apply_deletions, don't reuse _FileMover
2934
pending_deletions = None
3219
self.past_renames = None
3220
self.pending_deletions = None
3223
def link_tree(target_tree, source_tree):
3224
"""Where possible, hard-link files in a tree to those in another tree.
3226
:param target_tree: Tree to change
3227
:param source_tree: Tree to hard-link from
3229
tt = TreeTransform(target_tree)
3231
for (file_id, paths, changed_content, versioned, parent, name, kind,
3232
executable) in target_tree.iter_changes(source_tree,
3233
include_unchanged=True):
3236
if kind != ('file', 'file'):
3238
if executable[0] != executable[1]:
3240
trans_id = tt.trans_id_tree_path(paths[1])
3241
tt.delete_contents(trans_id)
3242
tt.create_hardlink(source_tree.abspath(paths[0]), trans_id)
added
removed
breezy/transform.py
