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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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config as _mod_config,
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lazy_import.lazy_import(globals(), """
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from bzrlib.lazy_import import lazy_import
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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 .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.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 .progress import ProgressPhase
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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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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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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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file_id = self.final_file_id(old_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
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and self._new_root not in self._removed_id):
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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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self.unversion_file(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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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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"""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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"""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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self._new_executability]:
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changed_ids.update(id_set)
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# removing implies a kind change
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new_ids.update(id_set)
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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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# 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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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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def final_kind(self, trans_id):
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"""Determine the final file kind, after any changes applied.
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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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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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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_path(trans_id)
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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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# 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, 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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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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if self.final_name(child) == name:
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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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path = self._tree_id_paths[parent_id]
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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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childpath = joinpath(path, name)
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child_id = self._tree_path_ids.get(childpath)
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if child_id is None:
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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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return lexists(self._tree.abspath(childpath))
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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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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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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 viewitems(self._new_id):
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for trans_id, file_id in self._new_id.iteritems():
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if file_id in active_tree_ids:
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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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old_trans_id = self.trans_id_tree_file_id(file_id)
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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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"""Children must have a directory parent"""
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"""parents must have directory 'contents'."""
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for parent_id, children in viewitems(by_parent):
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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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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:
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self.final_kind(child)
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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 self._tree._supports_executable():
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if 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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719
current_mode = os.stat(abspath).st_mode
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if new_executability:
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721
umask = os.umask(0)
771
to_mode = current_mode | (0o100 & ~umask)
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to_mode = current_mode | (0100 & ~umask)
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# Enable x-bit for others only if they can read it.
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if current_mode & 0o004:
774
to_mode |= 0o001 & ~umask
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if current_mode & 0o040:
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to_mode |= 0o010 & ~umask
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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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to_mode = current_mode & ~0o111
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osutils.chmod_if_possible(abspath, to_mode)
730
to_mode = current_mode & ~0111
731
os.chmod(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)
831
def new_orphan(self, trans_id, parent_id):
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"""Schedule an item to be orphaned.
834
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.
840
raise NotImplementedError(self.new_orphan)
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def _get_potential_orphans(self, dir_id):
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"""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.
857
# Find the potential orphans, stop if one item should be kept
858
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
873
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def _affected_ids(self):
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784
"""Return the set of transform ids affected by the transform"""
875
785
trans_ids = set(self._removed_id)
876
trans_ids.update(self._new_id)
786
trans_ids.update(self._new_id.keys())
877
787
trans_ids.update(self._removed_contents)
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)
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())
884
794
def _get_file_id_maps(self):
985
903
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)
993
904
if from_kind != to_kind:
995
906
elif to_kind in ('file', 'symlink') and (
996
to_trans_id != from_trans_id
997
or to_trans_id in self._new_contents):
907
to_trans_id != from_trans_id or
908
to_trans_id in self._new_contents):
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):
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):
1003
914
results.append((file_id, (from_path, to_path), modified,
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))
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]))
1015
922
def get_preview_tree(self):
1016
923
"""Return a tree representing the result of the transform.
1021
928
return _PreviewTree(self)
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):
930
def commit(self, branch, message, merge_parents=None, strict=False):
1026
931
"""Commit the result of this TreeTransform to a branch.
1028
933
:param branch: The branch to commit to.
1029
934
:param message: The message to attach to the commit.
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.)
935
:param merge_parents: Additional parents specified by pending merges.
1044
936
:return: The revision_id of the revision committed.
1046
938
self._check_malformed()
1079
965
return revision_id
1081
967
def _text_parent(self, trans_id):
1082
path = self.tree_path(trans_id)
968
file_id = self.tree_file_id(trans_id)
1084
if path is None or self._tree.kind(path) != 'file':
970
if file_id is None or self._tree.kind(file_id) != 'file':
1086
972
except errors.NoSuchFile:
1090
976
def _get_parents_texts(self, trans_id):
1091
977
"""Get texts for compression parents of this file."""
1092
path = self._text_parent(trans_id)
978
file_id = self._text_parent(trans_id)
1095
return (self._tree.get_file_text(path),)
981
return (self._tree.get_file_text(file_id),)
1097
983
def _get_parents_lines(self, trans_id):
1098
984
"""Get lines for compression parents of this file."""
1099
path = self._text_parent(trans_id)
985
file_id = self._text_parent(trans_id)
1102
return (self._tree.get_file_lines(path),)
988
return (self._tree.get_file_lines(file_id),)
1104
990
def serialize(self, serializer):
1105
991
"""Serialize this TreeTransform.
1107
993
:param serializer: A Serialiser like pack.ContainerSerializer.
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]
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())
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,
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,
1136
1012
yield serializer.bytes_record(bencode.bencode(attribs),
1138
for trans_id, kind in sorted(viewitems(self._new_contents)):
1014
for trans_id, kind in self._new_contents.items():
1139
1015
if kind == 'file':
1140
with open(self._limbo_name(trans_id), 'rb') as cur_file:
1141
lines = cur_file.readlines()
1016
lines = osutils.chunks_to_lines(
1017
self._read_file_chunks(trans_id))
1142
1018
parents = self._get_parents_lines(trans_id)
1143
1019
mpdiff = multiparent.MultiParent.from_lines(lines, parents)
1144
content = b''.join(mpdiff.to_patch())
1020
content = ''.join(mpdiff.to_patch())
1145
1021
if kind == 'directory':
1147
1023
if kind == 'symlink':
1148
1024
content = self._read_symlink_target(trans_id)
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')),))
1025
yield serializer.bytes_record(content, ((trans_id, kind),))
1154
1027
def deserialize(self, records):
1155
1028
"""Deserialize a stored TreeTransform.
1157
1030
:param records: An iterable of (names, content) tuples, as per
1158
1031
pack.ContainerPushParser.
1160
names, content = next(records)
1033
names, content = records.next()
1161
1034
attribs = bencode.bdecode(content)
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)}
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())
1173
1043
self._tree_path_ids = {}
1174
1044
self._tree_id_paths = {}
1175
for bytepath, trans_id in viewitems(attribs[b'_tree_path_ids']):
1045
for bytepath, trans_id in attribs['_tree_path_ids'].items():
1176
1046
path = bytepath.decode('utf-8')
1177
trans_id = trans_id.decode('utf-8')
1178
1047
self._tree_path_ids[path] = trans_id
1179
1048
self._tree_id_paths[trans_id] = path
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'])}
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']
1188
1052
for ((trans_id, kind),), content in records:
1189
trans_id = trans_id.decode('utf-8')
1190
kind = kind.decode('ascii')
1191
1053
if kind == 'file':
1192
1054
mpdiff = multiparent.MultiParent.from_patch(content)
1193
1055
lines = mpdiff.to_lines(self._get_parents_texts(trans_id))
1327
1173
descendants.update(self._limbo_descendants(descendant))
1328
1174
return descendants
1330
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1176
def create_file(self, contents, trans_id, mode_id=None):
1331
1177
"""Schedule creation of a new file.
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.
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.
1344
1187
name = self._limbo_name(trans_id)
1345
with open(name, 'wb') as f:
1346
unique_add(self._new_contents, trans_id, 'file')
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.
1347
1199
f.writelines(contents)
1348
1202
self._set_mtime(name)
1349
1203
self._set_mode(trans_id, mode_id, S_ISREG)
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))
1205
def _read_file_chunks(self, trans_id):
1206
cur_file = open(self._limbo_name(trans_id), 'rb')
1208
return cur_file.readlines()
1356
1212
def _read_symlink_target(self, trans_id):
1357
1213
return os.readlink(self._limbo_name(trans_id))
1420
1274
del self._limbo_children_names[trans_id]
1421
1275
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.',
1500
1278
class TreeTransform(DiskTreeTransform):
1501
1279
"""Represent a tree transformation.
1787
1571
inventory_delta.append((path, None, file_id, None))
1788
1572
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)
1790
1578
for num, (path, trans_id) in enumerate(new_paths):
1791
1579
if (num % 10) == 0:
1792
child_pb.update(gettext('adding file'),
1580
child_pb.update('adding file',
1793
1581
num + len(self._removed_id), total_entries)
1794
1582
file_id = new_path_file_ids[trans_id]
1795
1583
if file_id is None:
1797
kind = self.final_kind(trans_id)
1799
kind = self._tree.stored_kind(self._tree.id2path(file_id))
1587
kind = self.final_kind(trans_id)
1589
kind = self._tree.stored_kind(file_id)
1800
1590
parent_trans_id = self.final_parent(trans_id)
1801
1591
parent_file_id = new_path_file_ids.get(parent_trans_id)
1802
1592
if parent_file_id is None:
1832
1621
If inventory_delta is None, no inventory delta generation is performed.
1834
tree_paths = sorted(viewitems(self._tree_path_ids), reverse=True)
1835
with ui.ui_factory.nested_progress_bar() as child_pb:
1836
for num, (path, trans_id) in enumerate(tree_paths):
1837
# do not attempt to move root into a subdirectory of itself.
1840
child_pb.update(gettext('removing file'), num, len(tree_paths))
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))
1841
1630
full_path = self._tree.abspath(path)
1842
1631
if trans_id in self._removed_contents:
1843
1632
delete_path = os.path.join(self._deletiondir, trans_id)
1844
1633
mover.pre_delete(full_path, delete_path)
1845
elif (trans_id in self._new_name or
1846
trans_id in self._new_parent):
1634
elif (trans_id in self._new_name
1635
or trans_id in self._new_parent):
1848
1637
mover.rename(full_path, self._limbo_name(trans_id))
1849
except errors.TransformRenameFailed as e:
1850
1639
if e.errno != errno.ENOENT:
1853
1642
self.rename_count += 1
1855
1646
def _apply_insertions(self, mover):
1856
1647
"""Perform tree operations that insert directory/inventory names.
1865
1656
new_paths = self.new_paths(filesystem_only=True)
1866
1657
modified_paths = []
1867
with ui.ui_factory.nested_progress_bar() as child_pb:
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
1662
for num, (path, trans_id) in enumerate(new_paths):
1869
1663
if (num % 10) == 0:
1870
child_pb.update(gettext('adding file'),
1871
num, len(new_paths))
1664
child_pb.update('adding file', num, len(new_paths))
1872
1665
full_path = self._tree.abspath(path)
1873
1666
if trans_id in self._needs_rename:
1875
1668
mover.rename(self._limbo_name(trans_id), full_path)
1876
except errors.TransformRenameFailed as e:
1877
1670
# We may be renaming a dangling inventory id
1878
1671
if e.errno != errno.ENOENT:
1881
1674
self.rename_count += 1
1882
# TODO: if trans_id in self._observed_sha1s, we should
1883
# re-stat the final target, since ctime will be
1884
# updated by the change.
1885
if (trans_id in self._new_contents
1886
or self.path_changed(trans_id)):
1675
if (trans_id in self._new_contents or
1676
self.path_changed(trans_id)):
1887
1677
if trans_id in self._new_contents:
1888
1678
modified_paths.append(full_path)
1889
1679
if trans_id in self._new_executability:
1890
1680
self._set_executability(path, trans_id)
1891
if trans_id in self._observed_sha1s:
1892
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1893
st = osutils.lstat(full_path)
1894
self._observed_sha1s[trans_id] = (o_sha1, st)
1895
for path, trans_id in new_paths:
1896
# new_paths includes stuff like workingtree conflicts. Only the
1897
# stuff in new_contents actually comes from limbo.
1898
if trans_id in self._limbo_files:
1899
del self._limbo_files[trans_id]
1900
1683
self._new_contents.clear()
1901
1684
return modified_paths
1903
def _apply_observed_sha1s(self):
1904
"""After we have finished renaming everything, update observed sha1s
1906
This has to be done after self._tree.apply_inventory_delta, otherwise
1907
it doesn't know anything about the files we are updating. Also, we want
1908
to do this as late as possible, so that most entries end up cached.
1910
# TODO: this doesn't update the stat information for directories. So
1911
# the first 'bzr status' will still need to rewrite
1912
# .bzr/checkout/dirstate. However, we at least don't need to
1913
# re-read all of the files.
1914
# TODO: If the operation took a while, we could do a time.sleep(3) here
1915
# to allow the clock to tick over and ensure we won't have any
1916
# problems. (we could observe start time, and finish time, and if
1917
# it is less than eg 10% overhead, add a sleep call.)
1918
paths = FinalPaths(self)
1919
for trans_id, observed in viewitems(self._observed_sha1s):
1920
path = paths.get_path(trans_id)
1921
self._tree._observed_sha1(path, observed)
1924
1687
class TransformPreview(DiskTreeTransform):
1925
1688
"""A TreeTransform for generating preview trees.
2009
1766
except errors.NoSuchRevisionInTree:
2010
1767
yield self._get_repository().revision_tree(revision_id)
2012
def _get_file_revision(self, path, file_id, vf, tree_revision):
2014
(file_id, t.get_file_revision(t.id2path(file_id)))
2015
for t in self._iter_parent_trees()]
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()]
2016
1772
vf.add_lines((file_id, tree_revision), parent_keys,
2017
self.get_file_lines(path))
1773
self.get_file(file_id).readlines())
2018
1774
repo = self._get_repository()
2019
1775
base_vf = repo.texts
2020
1776
if base_vf not in vf.fallback_versionedfiles:
2021
1777
vf.fallback_versionedfiles.append(base_vf)
2022
1778
return tree_revision
2024
def _stat_limbo_file(self, trans_id):
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2025
1782
name = self._transform._limbo_name(trans_id)
2026
1783
return os.lstat(name)
2205
1937
ordered_ids = self._list_files_by_dir()
2206
1938
for entry, trans_id in self._make_inv_entries(ordered_ids,
2208
yield self._final_paths.get_path(trans_id), entry
1939
specific_file_ids, yield_parents=yield_parents):
1940
yield unicode(self._final_paths.get_path(trans_id)), entry
2210
1942
def _iter_entries_for_dir(self, dir_path):
2211
1943
"""Return path, entry for items in a directory without recursing down."""
1944
dir_file_id = self.path2id(dir_path)
2212
1945
ordered_ids = []
2213
dir_trans_id = self._path2trans_id(dir_path)
2214
dir_id = self._transform.final_file_id(dir_trans_id)
2215
for child_trans_id in self._all_children(dir_trans_id):
2216
ordered_ids.append((child_trans_id, dir_id))
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))
2218
1949
for entry, trans_id in self._make_inv_entries(ordered_ids):
2219
path_entries.append((self._final_paths.get_path(trans_id), entry))
1950
yield unicode(self._final_paths.get_path(trans_id)), entry
2223
1952
def list_files(self, include_root=False, from_dir=None, recursive=True):
2224
1953
"""See WorkingTree.list_files."""
2225
1954
# XXX This should behave like WorkingTree.list_files, but is really
2226
1955
# more like RevisionTree.list_files.
2238
1965
if not path.startswith(prefix):
2240
1967
path = path[len(prefix):]
2241
yield path, 'V', entry.kind, entry
1968
yield path, 'V', entry.kind, entry.file_id, entry
2243
1970
if from_dir is None and include_root is True:
2244
root_entry = inventory.make_entry(
2245
'directory', '', ROOT_PARENT, self.get_root_id())
2246
yield '', 'V', 'directory', root_entry
1971
root_entry = inventory.make_entry('directory', '',
1972
ROOT_PARENT, self.get_root_id())
1973
yield '', 'V', 'directory', root_entry.file_id, root_entry
2247
1974
entries = self._iter_entries_for_dir(from_dir or '')
2248
1975
for path, entry in entries:
2249
yield path, 'V', entry.kind, entry
1976
yield path, 'V', entry.kind, entry.file_id, entry
2251
def kind(self, path):
2252
trans_id = self._path2trans_id(path)
2253
if trans_id is None:
2254
raise errors.NoSuchFile(path)
1978
def kind(self, file_id):
1979
trans_id = self._transform.trans_id_file_id(file_id)
2255
1980
return self._transform.final_kind(trans_id)
2257
def stored_kind(self, path):
2258
trans_id = self._path2trans_id(path)
2259
if trans_id is None:
2260
raise errors.NoSuchFile(path)
1982
def stored_kind(self, file_id):
1983
trans_id = self._transform.trans_id_file_id(file_id)
2262
1985
return self._transform._new_contents[trans_id]
2263
1986
except KeyError:
2264
return self._transform._tree.stored_kind(path)
1987
return self._transform._tree.stored_kind(file_id)
2266
def get_file_mtime(self, path):
1989
def get_file_mtime(self, file_id, path=None):
2267
1990
"""See Tree.get_file_mtime"""
2268
file_id = self.path2id(path)
2270
raise errors.NoSuchFile(path)
2271
1991
if not self._content_change(file_id):
2272
return self._transform._tree.get_file_mtime(
2273
self._transform._tree.id2path(file_id))
2274
trans_id = self._path2trans_id(path)
2275
return self._stat_limbo_file(trans_id).st_mtime
2277
def get_file_size(self, path):
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):
2278
1999
"""See Tree.get_file_size"""
2279
trans_id = self._path2trans_id(path)
2280
if trans_id is None:
2281
raise errors.NoSuchFile(path)
2282
kind = self._transform.final_kind(trans_id)
2285
if trans_id in self._transform._new_contents:
2286
return self._stat_limbo_file(trans_id).st_size
2287
if self.kind(path) == 'file':
2288
return self._transform._tree.get_file_size(path)
2000
if self.kind(file_id) == 'file':
2001
return self._transform._tree.get_file_size(file_id)
2292
def get_file_verifier(self, path, stat_value=None):
2293
trans_id = self._path2trans_id(path)
2294
if trans_id is None:
2295
raise errors.NoSuchFile(path)
2296
kind = self._transform._new_contents.get(trans_id)
2298
return self._transform._tree.get_file_verifier(path)
2300
with self.get_file(path) as fileobj:
2301
return ("SHA1", sha_file(fileobj))
2303
def get_file_sha1(self, path, stat_value=None):
2304
trans_id = self._path2trans_id(path)
2305
if trans_id is None:
2306
raise errors.NoSuchFile(path)
2307
kind = self._transform._new_contents.get(trans_id)
2309
return self._transform._tree.get_file_sha1(path)
2311
with self.get_file(path) as fileobj:
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)
2312
2013
return sha_file(fileobj)
2314
def is_executable(self, path):
2315
trans_id = self._path2trans_id(path)
2316
if trans_id is None:
2017
def is_executable(self, file_id, path=None):
2020
trans_id = self._transform.trans_id_file_id(file_id)
2319
2022
return self._transform._new_executability[trans_id]
2320
2023
except KeyError:
2322
return self._transform._tree.is_executable(path)
2323
except OSError as e:
2025
return self._transform._tree.is_executable(file_id, path)
2324
2027
if e.errno == errno.ENOENT:
2327
except errors.NoSuchFile:
2030
except errors.NoSuchId:
2330
def has_filename(self, path):
2331
trans_id = self._path2trans_id(path)
2332
if trans_id in self._transform._new_contents:
2334
elif trans_id in self._transform._removed_contents:
2337
return self._transform._tree.has_filename(path)
2339
2033
def path_content_summary(self, path):
2340
2034
trans_id = self._path2trans_id(path)
2341
2035
tt = self._transform
2363
2057
executable = None
2364
2058
if kind == 'symlink':
2365
link_or_sha1 = os.readlink(limbo_name)
2366
if not isinstance(link_or_sha1, text_type):
2367
link_or_sha1 = link_or_sha1.decode(osutils._fs_enc)
2059
link_or_sha1 = os.readlink(limbo_name).decode(osutils._fs_enc)
2368
2060
executable = tt._new_executability.get(trans_id, executable)
2369
2061
return kind, size, executable, link_or_sha1
2371
2063
def iter_changes(self, from_tree, include_unchanged=False,
2372
specific_files=None, pb=None, extra_trees=None,
2373
require_versioned=True, want_unversioned=False):
2064
specific_files=None, pb=None, extra_trees=None,
2065
require_versioned=True, want_unversioned=False):
2374
2066
"""See InterTree.iter_changes.
2376
2068
This has a fast path that is only used when the from_tree matches
2377
2069
the transform tree, and no fancy options are supplied.
2379
if (from_tree is not self._transform._tree or include_unchanged
2380
or specific_files or want_unversioned):
2071
if (from_tree is not self._transform._tree or include_unchanged or
2072
specific_files or want_unversioned):
2381
2073
return tree.InterTree(from_tree, self).iter_changes(
2382
2074
include_unchanged=include_unchanged,
2383
2075
specific_files=specific_files,
2389
2081
raise ValueError('want_unversioned is not supported')
2390
2082
return self._transform.iter_changes()
2392
def get_file(self, path):
2084
def get_file(self, file_id, path=None):
2393
2085
"""See Tree.get_file"""
2394
file_id = self.path2id(path)
2395
2086
if not self._content_change(file_id):
2396
return self._transform._tree.get_file(path)
2397
trans_id = self._path2trans_id(path)
2087
return self._transform._tree.get_file(file_id, path)
2088
trans_id = self._transform.trans_id_file_id(file_id)
2398
2089
name = self._transform._limbo_name(trans_id)
2399
2090
return open(name, 'rb')
2401
def get_file_with_stat(self, path):
2402
return self.get_file(path), None
2092
def get_file_with_stat(self, file_id, path=None):
2093
return self.get_file(file_id, path), None
2404
def annotate_iter(self, path,
2095
def annotate_iter(self, file_id,
2405
2096
default_revision=_mod_revision.CURRENT_REVISION):
2406
file_id = self.path2id(path)
2407
2097
changes = self._iter_changes_cache.get(file_id)
2408
2098
if changes is None:
2555
2243
:param delta_from_tree: If true, build_tree may use the input Tree to
2556
2244
generate the inventory delta.
2558
with wt.lock_tree_write(), tree.lock_read():
2559
if accelerator_tree is not None:
2560
accelerator_tree.lock_read()
2246
wt.lock_tree_write()
2562
return _build_tree(tree, wt, accelerator_tree, hardlink,
2565
2250
if accelerator_tree is not None:
2566
accelerator_tree.unlock()
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()
2569
2264
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2570
2265
"""See build_tree."""
2571
for num, _unused in enumerate(wt.all_versioned_paths()):
2266
for num, _unused in enumerate(wt.all_file_ids()):
2572
2267
if num > 0: # more than just a root
2573
2268
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)
2574
2272
file_trans_id = {}
2575
top_pb = ui.ui_factory.nested_progress_bar()
2273
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2576
2274
pp = ProgressPhase("Build phase", 2, top_pb)
2577
if tree.get_root_id() is not None:
2275
if tree.inventory.root is not None:
2578
2276
# This is kind of a hack: we should be altering the root
2579
2277
# as part of the regular tree shape diff logic.
2580
2278
# The conditional test here is to avoid doing an
2591
2289
pp.next_phase()
2592
file_trans_id[wt.get_root_id()] = tt.trans_id_tree_path('')
2593
with ui.ui_factory.nested_progress_bar() as pb:
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
2294
deferred_contents = []
2596
total = len(tree.all_versioned_paths())
2296
total = len(tree.inventory)
2597
2297
if delta_from_tree:
2598
2298
precomputed_delta = []
2600
2300
precomputed_delta = None
2601
# Check if tree inventory has content. If so, we populate
2602
# existing_files with the directory content. If there are no
2603
# entries we skip populating existing_files as its not used.
2604
# This improves performance and unncessary work on large
2605
# directory trees. (#501307)
2607
existing_files = set()
2608
for dir, files in wt.walkdirs():
2609
existing_files.update(f[0] for f in files)
2610
2301
for num, (tree_path, entry) in \
2611
enumerate(tree.iter_entries_by_dir()):
2612
pb.update(gettext("Building tree"), num
2613
- len(deferred_contents), total)
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2614
2304
if entry.parent_id is None:
2616
2306
reparent = False
2641
2330
trans_id = tt.create_path(entry.name, parent_id)
2642
2331
file_trans_id[file_id] = trans_id
2643
2332
tt.version_file(file_id, trans_id)
2644
executable = tree.is_executable(tree_path)
2333
executable = tree.is_executable(file_id, tree_path)
2646
2335
tt.set_executability(executable, trans_id)
2647
trans_data = (trans_id, file_id,
2648
tree_path, entry.text_sha1)
2649
deferred_contents.append((tree_path, trans_data))
2336
trans_data = (trans_id, tree_path)
2337
deferred_contents.append((file_id, trans_data))
2651
file_trans_id[file_id] = new_by_entry(
2652
tree_path, tt, entry, parent_id, tree)
2339
file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2654
2342
new_trans_id = file_trans_id[file_id]
2655
2343
old_parent = tt.trans_id_tree_path(tree_path)
2688
2376
new_desired_files = desired_files
2690
2378
iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2691
unchanged = [(p[0], p[1]) for (f, p, c, v, d, n, k, e)
2379
unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2692
2380
in iter if not (c or e[0] != e[1])]
2693
2381
if accelerator_tree.supports_content_filtering():
2694
unchanged = [(tp, ap) for (tp, ap) in unchanged
2695
if not next(accelerator_tree.iter_search_rules([ap]))]
2382
unchanged = [(f, p) for (f, p) in unchanged
2383
if not accelerator_tree.iter_search_rules([p]).next()]
2696
2384
unchanged = dict(unchanged)
2697
2385
new_desired_files = []
2699
for unused_tree_path, (trans_id, file_id, tree_path, text_sha1) in desired_files:
2700
accelerator_path = unchanged.get(tree_path)
2387
for file_id, (trans_id, tree_path) in desired_files:
2388
accelerator_path = unchanged.get(file_id)
2701
2389
if accelerator_path is None:
2702
new_desired_files.append((tree_path,
2703
(trans_id, file_id, tree_path, text_sha1)))
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2705
pb.update(gettext('Adding file contents'), count + offset, total)
2392
pb.update('Adding file contents', count + offset, total)
2707
2394
tt.create_hardlink(accelerator_tree.abspath(accelerator_path),
2710
with accelerator_tree.get_file(accelerator_path) as f:
2711
chunks = osutils.file_iterator(f)
2712
if wt.supports_content_filtering():
2713
filters = wt._content_filter_stack(tree_path)
2714
chunks = filtered_output_bytes(chunks, filters,
2715
ContentFilterContext(tree_path, tree))
2716
tt.create_file(chunks, trans_id, sha1=text_sha1)
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
2718
2411
offset += count
2719
for count, ((trans_id, file_id, tree_path, text_sha1), contents) in enumerate(
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2720
2413
tree.iter_files_bytes(new_desired_files)):
2721
2414
if wt.supports_content_filtering():
2722
2415
filters = wt._content_filter_stack(tree_path)
2723
2416
contents = filtered_output_bytes(contents, filters,
2724
ContentFilterContext(tree_path, tree))
2725
tt.create_file(contents, trans_id, sha1=text_sha1)
2726
pb.update(gettext('Adding file contents'), count + offset, total)
2417
ContentFilterContext(tree_path, tree))
2418
tt.create_file(contents, trans_id)
2419
pb.update('Adding file contents', count + offset, total)
2729
2422
def _reparent_children(tt, old_parent, new_parent):
2730
2423
for child in tt.iter_tree_children(old_parent):
2731
2424
tt.adjust_path(tt.final_name(child), new_parent, child)
2734
2426
def _reparent_transform_children(tt, old_parent, new_parent):
2735
2427
by_parent = tt.by_parent()
2736
2428
for child in by_parent[old_parent]:
2737
2429
tt.adjust_path(tt.final_name(child), new_parent, child)
2738
2430
return by_parent[old_parent]
2741
def _content_match(tree, entry, tree_path, file_id, kind, target_path):
2432
def _content_match(tree, entry, file_id, kind, target_path):
2742
2433
if entry.kind != kind:
2744
2435
if entry.kind == "directory":
2746
2437
if entry.kind == "file":
2747
with open(target_path, 'rb') as f1, \
2748
tree.get_file(tree_path) as f2:
2749
if osutils.compare_files(f1, f2):
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2751
2440
elif entry.kind == "symlink":
2752
if tree.get_symlink_target(tree_path) == os.readlink(target_path):
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2773
2462
final_parent = tt.final_parent(old_file)
2774
2463
if new_file in divert:
2775
new_name = tt.final_name(old_file) + '.diverted'
2464
new_name = tt.final_name(old_file)+'.diverted'
2776
2465
tt.adjust_path(new_name, final_parent, new_file)
2777
2466
new_conflicts.add((c_type, 'Diverted to',
2778
2467
new_file, old_file))
2780
new_name = tt.final_name(old_file) + '.moved'
2469
new_name = tt.final_name(old_file)+'.moved'
2781
2470
tt.adjust_path(new_name, final_parent, old_file)
2782
2471
new_conflicts.add((c_type, 'Moved existing file to',
2783
2472
old_file, new_file))
2784
2473
return new_conflicts
2787
def new_by_entry(path, tt, entry, parent_id, tree):
2476
def new_by_entry(tt, entry, parent_id, tree):
2788
2477
"""Create a new file according to its inventory entry"""
2789
2478
name = entry.name
2790
2479
kind = entry.kind
2791
2480
if kind == 'file':
2792
with tree.get_file(path) as f:
2793
executable = tree.is_executable(path)
2795
name, parent_id, osutils.file_iterator(f), entry.file_id,
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,
2797
2485
elif kind in ('directory', 'tree-reference'):
2798
2486
trans_id = tt.new_directory(name, parent_id, entry.file_id)
2799
2487
if kind == 'tree-reference':
2800
2488
tt.set_tree_reference(entry.reference_revision, trans_id)
2801
2489
return trans_id
2802
2490
elif kind == 'symlink':
2803
target = tree.get_symlink_target(path)
2491
target = tree.get_symlink_target(entry.file_id)
2804
2492
return tt.new_symlink(name, parent_id, target, entry.file_id)
2806
2494
raise errors.BadFileKindError(name, kind)
2809
def create_from_tree(tt, trans_id, tree, path, file_id=None, chunks=None,
2810
filter_tree_path=None):
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
2515
"""Create new file contents according to tree contents.
2813
2517
:param filter_tree_path: the tree path to use to lookup
2814
2518
content filters to apply to the bytes output in the working tree.
2815
2519
This only applies if the working tree supports content filtering.
2817
kind = tree.kind(path)
2521
kind = tree.kind(file_id)
2818
2522
if kind == 'directory':
2819
2523
tt.create_directory(trans_id)
2820
2524
elif kind == "file":
2822
f = tree.get_file(path)
2823
chunks = osutils.file_iterator(f)
2828
if wt.supports_content_filtering() and filter_tree_path is not None:
2829
filters = wt._content_filter_stack(filter_tree_path)
2830
chunks = filtered_output_bytes(
2832
ContentFilterContext(filter_tree_path, tree))
2833
tt.create_file(chunks, trans_id)
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)
2837
2537
elif kind == "symlink":
2838
tt.create_symlink(tree.get_symlink_target(path), trans_id)
2538
tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2840
2540
raise AssertionError('Unknown kind %r' % kind)
2846
2546
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
2849
2592
def revert(working_tree, target_tree, filenames, backups=False,
2850
2593
pb=None, change_reporter=None):
2851
2594
"""Revert a working tree's contents to those of a target tree."""
2595
target_tree.lock_read()
2852
2596
pb = ui.ui_factory.nested_progress_bar()
2597
tt = TreeTransform(working_tree, pb)
2854
with target_tree.lock_read(), TreeTransform(working_tree, pb) as tt:
2855
pp = ProgressPhase("Revert phase", 3, pb)
2856
conflicts, merge_modified = _prepare_revert_transform(
2857
working_tree, target_tree, tt, filenames, backups, pp)
2859
change_reporter = delta._ChangeReporter(
2860
unversioned_filter=working_tree.is_ignored)
2861
delta.report_changes(tt.iter_changes(), change_reporter)
2862
for conflict in conflicts:
2863
trace.warning(text_type(conflict))
2866
if working_tree.supports_merge_modified():
2867
working_tree.set_merge_modified(merge_modified)
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)
2612
target_tree.unlock()
2870
2615
return conflicts
2873
2618
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2874
2619
backups, pp, basis_tree=None,
2875
2620
merge_modified=None):
2876
with ui.ui_factory.nested_progress_bar() as child_pb:
2621
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2877
2623
if merge_modified is None:
2878
2624
merge_modified = working_tree.merge_modified()
2879
2625
merge_modified = _alter_files(working_tree, target_tree, tt,
2880
2626
child_pb, filenames, backups,
2881
2627
merge_modified, basis_tree)
2882
with ui.ui_factory.nested_progress_bar() as child_pb:
2883
raw_conflicts = resolve_conflicts(
2884
tt, child_pb, lambda t, c: conflict_pass(t, c, target_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))
2885
2636
conflicts = cook_conflicts(raw_conflicts, tt)
2886
2637
return conflicts, merge_modified
2890
2641
backups, merge_modified, basis_tree=None):
2891
2642
if basis_tree is not None:
2892
2643
basis_tree.lock_read()
2893
# We ask the working_tree for its changes relative to the target, rather
2894
# than the target changes relative to the working tree. Because WT4 has an
2895
# optimizer to compare itself to a target, but no optimizer for the
2897
change_list = working_tree.iter_changes(
2898
target_tree, specific_files=specific_files, pb=pb)
2899
if not target_tree.is_versioned(u''):
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:
2900
2647
skip_root = True
2902
2649
skip_root = False
2904
2651
deferred_files = []
2905
2652
for id_num, (file_id, path, changed_content, versioned, parent, name,
2906
kind, executable) in enumerate(change_list):
2907
target_path, wt_path = path
2908
target_versioned, wt_versioned = versioned
2909
target_parent, wt_parent = parent
2910
target_name, wt_name = name
2911
target_kind, wt_kind = kind
2912
target_executable, wt_executable = executable
2913
if skip_root and wt_parent is None:
2653
kind, executable) in enumerate(change_list):
2654
if skip_root and file_id[0] is not None and parent[0] is None:
2915
2656
trans_id = tt.trans_id_file_id(file_id)
2917
2658
if changed_content:
2918
2659
keep_content = False
2919
if wt_kind == 'file' and (backups or target_kind is None):
2920
wt_sha1 = working_tree.get_file_sha1(wt_path)
2660
if kind[0] == 'file' and (backups or kind[1] is None):
2661
wt_sha1 = working_tree.get_file_sha1(file_id)
2921
2662
if merge_modified.get(file_id) != wt_sha1:
2922
2663
# acquire the basis tree lazily to prevent the
2923
2664
# expense of accessing it when it's not needed ?
2925
2666
if basis_tree is None:
2926
2667
basis_tree = working_tree.basis_tree()
2927
2668
basis_tree.lock_read()
2928
basis_path = find_previous_path(
2929
working_tree, basis_tree, wt_path)
2930
if basis_path is None:
2931
if target_kind is None and not target_versioned:
2934
if wt_sha1 != basis_tree.get_file_sha1(basis_path):
2936
if wt_kind is not None:
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:
2937
2675
if not keep_content:
2938
2676
tt.delete_contents(trans_id)
2939
elif target_kind is not None:
2940
parent_trans_id = tt.trans_id_file_id(wt_parent)
2941
backup_name = tt._available_backup_name(
2942
wt_name, parent_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)
2943
2682
tt.adjust_path(backup_name, parent_trans_id, trans_id)
2944
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2945
if wt_versioned and target_versioned:
2683
new_trans_id = tt.create_path(name[0], parent_trans_id)
2684
if versioned == (True, True):
2946
2685
tt.unversion_file(trans_id)
2947
2686
tt.version_file(file_id, new_trans_id)
2948
2687
# New contents should have the same unix perms as old
2950
2689
mode_id = trans_id
2951
2690
trans_id = new_trans_id
2952
if target_kind in ('directory', 'tree-reference'):
2691
if kind[1] in ('directory', 'tree-reference'):
2953
2692
tt.create_directory(trans_id)
2954
if target_kind == 'tree-reference':
2955
revision = target_tree.get_reference_revision(
2693
if kind[1] == 'tree-reference':
2694
revision = target_tree.get_reference_revision(file_id,
2957
2696
tt.set_tree_reference(revision, trans_id)
2958
elif target_kind == 'symlink':
2959
tt.create_symlink(target_tree.get_symlink_target(
2960
target_path), trans_id)
2961
elif target_kind == 'file':
2962
deferred_files.append(
2963
(target_path, (trans_id, mode_id, file_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)))
2964
2702
if basis_tree is None:
2965
2703
basis_tree = working_tree.basis_tree()
2966
2704
basis_tree.lock_read()
2967
new_sha1 = target_tree.get_file_sha1(target_path)
2968
basis_path = find_previous_path(target_tree, basis_tree, target_path)
2969
if (basis_path is not None and
2970
new_sha1 == basis_tree.get_file_sha1(basis_path)):
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)):
2971
2708
if file_id in merge_modified:
2972
2709
del merge_modified[file_id]
2974
2711
merge_modified[file_id] = new_sha1
2976
2713
# preserve the execute bit when backing up
2977
if keep_content and wt_executable == target_executable:
2978
tt.set_executability(target_executable, trans_id)
2979
elif target_kind is not None:
2980
raise AssertionError(target_kind)
2981
if not wt_versioned and target_versioned:
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):
2982
2719
tt.version_file(file_id, trans_id)
2983
if wt_versioned and not target_versioned:
2720
if versioned == (True, False):
2984
2721
tt.unversion_file(trans_id)
2985
if (target_name is not None
2986
and (wt_name != target_name or wt_parent != target_parent)):
2987
if target_name == '' and target_parent is None:
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:
2988
2725
parent_trans = ROOT_PARENT
2990
parent_trans = tt.trans_id_file_id(target_parent)
2991
if wt_parent is None and wt_versioned:
2992
tt.adjust_root_path(target_name, parent_trans)
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)
2994
tt.adjust_path(target_name, parent_trans, trans_id)
2995
if wt_executable != target_executable and target_kind == "file":
2996
tt.set_executability(target_executable, trans_id)
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)
2997
2734
if working_tree.supports_content_filtering():
2998
for (trans_id, mode_id, file_id), bytes in (
2999
target_tree.iter_files_bytes(deferred_files)):
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
2738
# We're reverting a tree to the target tree so using the
3001
2739
# target tree to find the file path seems the best choice
3002
2740
# here IMO - Ian C 27/Oct/2009
3003
2741
filter_tree_path = target_tree.id2path(file_id)
3004
2742
filters = working_tree._content_filter_stack(filter_tree_path)
3005
bytes = filtered_output_bytes(
2743
bytes = filtered_output_bytes(bytes, filters,
3007
2744
ContentFilterContext(filter_tree_path, working_tree))
3008
2745
tt.create_file(bytes, trans_id, mode_id)
3010
for (trans_id, mode_id, file_id), bytes in target_tree.iter_files_bytes(
2747
for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
3012
2749
tt.create_file(bytes, trans_id, mode_id)
3013
2750
tt.fixup_new_roots()
3201
2920
def rollback(self):
3202
2921
"""Reverse all renames that have been performed"""
3203
2922
for from_, to in reversed(self.past_renames):
3205
os.rename(to, from_)
3206
except OSError as e:
3207
raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
2923
osutils.rename(to, from_)
3208
2924
# after rollback, don't reuse _FileMover
3209
self.past_renames = None
3210
self.pending_deletions = None
2926
pending_deletions = None
3212
2928
def apply_deletions(self):
3213
2929
"""Apply all marked deletions"""
3214
2930
for path in self.pending_deletions:
3215
2931
delete_any(path)
3216
2932
# after apply_deletions, don't reuse _FileMover
3217
self.past_renames = None
3218
self.pending_deletions = None
3221
def link_tree(target_tree, source_tree):
3222
"""Where possible, hard-link files in a tree to those in another tree.
3224
:param target_tree: Tree to change
3225
:param source_tree: Tree to hard-link from
3227
tt = TreeTransform(target_tree)
3229
for (file_id, paths, changed_content, versioned, parent, name, kind,
3230
executable) in target_tree.iter_changes(source_tree,
3231
include_unchanged=True):
3234
if kind != ('file', 'file'):
3236
if executable[0] != executable[1]:
3238
trans_id = tt.trans_id_tree_path(paths[1])
3239
tt.delete_contents(trans_id)
3240
tt.create_hardlink(source_tree.abspath(paths[0]), trans_id)
2934
pending_deletions = None
added
removed
bzrlib/transform.py
