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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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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:
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self.final_kind(child)
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kind = self.final_kind(parent_id)
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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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# 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
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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):
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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.
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If all the contained files are unversioned then they can be orphaned.
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The 'None' return value means that the directory contains at least one
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versioned file and should not be deleted.
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:param dir_id: The directory trans id.
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:return: A list of the orphan trans ids or None if at least one
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versioned file is present.
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# Find the potential orphans, stop if one item should be kept
854
for child_tid in self.by_parent()[dir_id]:
855
if child_tid in self._removed_contents:
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# The child is removed as part of the transform. Since it was
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# versioned before, it's not an orphan
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elif self.final_file_id(child_tid) is None:
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# The child is not versioned
861
orphans.append(child_tid)
863
# We have a versioned file here, searching for orphans is
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def _affected_ids(self):
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"""Return the set of transform ids affected by the transform"""
785
871
trans_ids = set(self._removed_id)
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trans_ids.update(self._new_id.keys())
872
trans_ids.update(self._new_id)
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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())
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trans_ids.update(self._new_parent.keys())
874
trans_ids.update(self._new_contents)
875
trans_ids.update(self._new_executability)
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trans_ids.update(self._new_name)
877
trans_ids.update(self._new_parent)
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def _get_file_id_maps(self):
903
981
to_path = final_paths.get_path(to_trans_id)
983
from_name, from_parent, from_kind, from_executable = \
984
self._from_file_data(from_trans_id, from_versioned, from_path)
986
to_name, to_parent, to_kind, to_executable = \
987
self._to_file_data(to_trans_id, from_trans_id, from_executable)
904
989
if from_kind != to_kind:
906
991
elif to_kind in ('file', 'symlink') and (
907
to_trans_id != from_trans_id or
908
to_trans_id in self._new_contents):
992
to_trans_id != from_trans_id
993
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):
995
if (not modified and from_versioned == to_versioned
996
and from_parent == to_parent and from_name == to_name
997
and from_executable == to_executable):
914
999
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]))
1000
(from_versioned, to_versioned),
1001
(from_parent, to_parent),
1002
(from_name, to_name),
1003
(from_kind, to_kind),
1004
(from_executable, to_executable)))
1008
return (paths[0] or '', paths[1] or '')
1009
return iter(sorted(results, key=path_key))
922
1011
def get_preview_tree(self):
923
1012
"""Return a tree representing the result of the transform.
928
1017
return _PreviewTree(self)
930
def commit(self, branch, message, merge_parents=None, strict=False):
1019
def commit(self, branch, message, merge_parents=None, strict=False,
1020
timestamp=None, timezone=None, committer=None, authors=None,
1021
revprops=None, revision_id=None):
931
1022
"""Commit the result of this TreeTransform to a branch.
933
1024
:param branch: The branch to commit to.
934
1025
:param message: The message to attach to the commit.
935
:param merge_parents: Additional parents specified by pending merges.
1026
:param merge_parents: Additional parent revision-ids specified by
1028
:param strict: If True, abort the commit if there are unversioned
1030
:param timestamp: if not None, seconds-since-epoch for the time and
1031
date. (May be a float.)
1032
:param timezone: Optional timezone for timestamp, as an offset in
1034
:param committer: Optional committer in email-id format.
1035
(e.g. "J Random Hacker <jrandom@example.com>")
1036
:param authors: Optional list of authors in email-id format.
1037
:param revprops: Optional dictionary of revision properties.
1038
:param revision_id: Optional revision id. (Specifying a revision-id
1039
may reduce performance for some non-native formats.)
936
1040
:return: The revision_id of the revision committed.
938
1042
self._check_malformed()
965
1075
return revision_id
967
1077
def _text_parent(self, trans_id):
968
file_id = self.tree_file_id(trans_id)
1078
path = self.tree_path(trans_id)
970
if file_id is None or self._tree.kind(file_id) != 'file':
1080
if path is None or self._tree.kind(path) != 'file':
972
1082
except errors.NoSuchFile:
976
1086
def _get_parents_texts(self, trans_id):
977
1087
"""Get texts for compression parents of this file."""
978
file_id = self._text_parent(trans_id)
1088
path = self._text_parent(trans_id)
981
return (self._tree.get_file_text(file_id),)
1091
return (self._tree.get_file_text(path),)
983
1093
def _get_parents_lines(self, trans_id):
984
1094
"""Get lines for compression parents of this file."""
985
file_id = self._text_parent(trans_id)
1095
path = self._text_parent(trans_id)
988
return (self._tree.get_file_lines(file_id),)
1098
return (self._tree.get_file_lines(path),)
990
1100
def serialize(self, serializer):
991
1101
"""Serialize this TreeTransform.
993
1103
: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())
1105
new_name = {k.encode('utf-8'): v.encode('utf-8')
1106
for k, v in viewitems(self._new_name)}
1107
new_parent = {k.encode('utf-8'): v.encode('utf-8')
1108
for k, v in viewitems(self._new_parent)}
1109
new_id = {k.encode('utf-8'): v
1110
for k, v in viewitems(self._new_id)}
1111
new_executability = {k.encode('utf-8'): int(v)
1112
for k, v in viewitems(self._new_executability)}
1113
tree_path_ids = {k.encode('utf-8'): v.encode('utf-8')
1114
for k, v in viewitems(self._tree_path_ids)}
1115
non_present_ids = {k: v.encode('utf-8')
1116
for k, v in viewitems(self._non_present_ids)}
1117
removed_contents = [trans_id.encode('utf-8')
1118
for trans_id in self._removed_contents]
1119
removed_id = [trans_id.encode('utf-8')
1120
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,
1122
b'_id_number': self._id_number,
1123
b'_new_name': new_name,
1124
b'_new_parent': new_parent,
1125
b'_new_executability': new_executability,
1127
b'_tree_path_ids': tree_path_ids,
1128
b'_removed_id': removed_id,
1129
b'_removed_contents': removed_contents,
1130
b'_non_present_ids': non_present_ids,
1012
1132
yield serializer.bytes_record(bencode.bencode(attribs),
1014
for trans_id, kind in self._new_contents.items():
1134
for trans_id, kind in sorted(viewitems(self._new_contents)):
1015
1135
if kind == 'file':
1016
lines = osutils.chunks_to_lines(
1017
self._read_file_chunks(trans_id))
1136
with open(self._limbo_name(trans_id), 'rb') as cur_file:
1137
lines = cur_file.readlines()
1018
1138
parents = self._get_parents_lines(trans_id)
1019
1139
mpdiff = multiparent.MultiParent.from_lines(lines, parents)
1020
content = ''.join(mpdiff.to_patch())
1140
content = b''.join(mpdiff.to_patch())
1021
1141
if kind == 'directory':
1023
1143
if kind == 'symlink':
1024
1144
content = self._read_symlink_target(trans_id)
1025
yield serializer.bytes_record(content, ((trans_id, kind),))
1145
if not isinstance(content, bytes):
1146
content = content.encode('utf-8')
1147
yield serializer.bytes_record(
1148
content, ((trans_id.encode('utf-8'), kind.encode('ascii')),))
1027
1150
def deserialize(self, records):
1028
1151
"""Deserialize a stored TreeTransform.
1030
1153
:param records: An iterable of (names, content) tuples, as per
1031
1154
pack.ContainerPushParser.
1033
names, content = records.next()
1156
names, content = next(records)
1034
1157
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())
1158
self._id_number = attribs[b'_id_number']
1159
self._new_name = {k.decode('utf-8'): v.decode('utf-8')
1160
for k, v in viewitems(attribs[b'_new_name'])}
1161
self._new_parent = {k.decode('utf-8'): v.decode('utf-8')
1162
for k, v in viewitems(attribs[b'_new_parent'])}
1163
self._new_executability = {
1164
k.decode('utf-8'): bool(v)
1165
for k, v in viewitems(attribs[b'_new_executability'])}
1166
self._new_id = {k.decode('utf-8'): v
1167
for k, v in viewitems(attribs[b'_new_id'])}
1168
self._r_new_id = {v: k for k, v in viewitems(self._new_id)}
1043
1169
self._tree_path_ids = {}
1044
1170
self._tree_id_paths = {}
1045
for bytepath, trans_id in attribs['_tree_path_ids'].items():
1171
for bytepath, trans_id in viewitems(attribs[b'_tree_path_ids']):
1046
1172
path = bytepath.decode('utf-8')
1173
trans_id = trans_id.decode('utf-8')
1047
1174
self._tree_path_ids[path] = trans_id
1048
1175
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']
1176
self._removed_id = {trans_id.decode('utf-8')
1177
for trans_id in attribs[b'_removed_id']}
1178
self._removed_contents = set(
1179
trans_id.decode('utf-8')
1180
for trans_id in attribs[b'_removed_contents'])
1181
self._non_present_ids = {
1182
k: v.decode('utf-8')
1183
for k, v in viewitems(attribs[b'_non_present_ids'])}
1052
1184
for ((trans_id, kind),), content in records:
1185
trans_id = trans_id.decode('utf-8')
1186
kind = kind.decode('ascii')
1053
1187
if kind == 'file':
1054
1188
mpdiff = multiparent.MultiParent.from_patch(content)
1055
1189
lines = mpdiff.to_lines(self._get_parents_texts(trans_id))
1173
1323
descendants.update(self._limbo_descendants(descendant))
1174
1324
return descendants
1176
def create_file(self, contents, trans_id, mode_id=None):
1326
def create_file(self, contents, trans_id, mode_id=None, sha1=None):
1177
1327
"""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.
1331
:param contents: an iterator of strings, all of which will be written
1332
to the target destination.
1333
:param trans_id: TreeTransform handle
1334
:param mode_id: If not None, force the mode of the target file to match
1335
the mode of the object referenced by mode_id.
1336
Otherwise, we will try to preserve mode bits of an existing file.
1337
:param sha1: If the sha1 of this content is already known, pass it in.
1338
We can use it to prevent future sha1 computations.
1187
1340
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.
1341
with open(name, 'wb') as f:
1342
unique_add(self._new_contents, trans_id, 'file')
1199
1343
f.writelines(contents)
1202
1344
self._set_mtime(name)
1203
1345
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()
1346
# It is unfortunate we have to use lstat instead of fstat, but we just
1347
# used utime and chmod on the file, so we need the accurate final
1349
if sha1 is not None:
1350
self._observed_sha1s[trans_id] = (sha1, osutils.lstat(name))
1212
1352
def _read_symlink_target(self, trans_id):
1213
1353
return os.readlink(self._limbo_name(trans_id))
1274
1416
del self._limbo_children_names[trans_id]
1275
1417
delete_any(self._limbo_name(trans_id))
1419
def new_orphan(self, trans_id, parent_id):
1420
conf = self._tree.get_config_stack()
1421
handle_orphan = conf.get('transform.orphan_policy')
1422
handle_orphan(self, trans_id, parent_id)
1425
class OrphaningError(errors.BzrError):
1427
# Only bugs could lead to such exception being seen by the user
1428
internal_error = True
1429
_fmt = "Error while orphaning %s in %s directory"
1431
def __init__(self, orphan, parent):
1432
errors.BzrError.__init__(self)
1433
self.orphan = orphan
1434
self.parent = parent
1437
class OrphaningForbidden(OrphaningError):
1439
_fmt = "Policy: %s doesn't allow creating orphans."
1441
def __init__(self, policy):
1442
errors.BzrError.__init__(self)
1443
self.policy = policy
1446
def move_orphan(tt, orphan_id, parent_id):
1447
"""See TreeTransformBase.new_orphan.
1449
This creates a new orphan in the `brz-orphans` dir at the root of the
1452
:param tt: The TreeTransform orphaning `trans_id`.
1454
:param orphan_id: The trans id that should be orphaned.
1456
:param parent_id: The orphan parent trans id.
1458
# Add the orphan dir if it doesn't exist
1459
orphan_dir_basename = 'brz-orphans'
1460
od_id = tt.trans_id_tree_path(orphan_dir_basename)
1461
if tt.final_kind(od_id) is None:
1462
tt.create_directory(od_id)
1463
parent_path = tt._tree_id_paths[parent_id]
1464
# Find a name that doesn't exist yet in the orphan dir
1465
actual_name = tt.final_name(orphan_id)
1466
new_name = tt._available_backup_name(actual_name, od_id)
1467
tt.adjust_path(new_name, od_id, orphan_id)
1468
trace.warning('%s has been orphaned in %s'
1469
% (joinpath(parent_path, actual_name), orphan_dir_basename))
1472
def refuse_orphan(tt, orphan_id, parent_id):
1473
"""See TreeTransformBase.new_orphan.
1475
This refuses to create orphan, letting the caller handle the conflict.
1477
raise OrphaningForbidden('never')
1480
orphaning_registry = registry.Registry()
1481
orphaning_registry.register(
1482
u'conflict', refuse_orphan,
1483
'Leave orphans in place and create a conflict on the directory.')
1484
orphaning_registry.register(
1485
u'move', move_orphan,
1486
'Move orphans into the brz-orphans directory.')
1487
orphaning_registry._set_default_key(u'conflict')
1490
opt_transform_orphan = _mod_config.RegistryOption(
1491
'transform.orphan_policy', orphaning_registry,
1492
help='Policy for orphaned files during transform operations.',
1278
1496
class TreeTransform(DiskTreeTransform):
1279
1497
"""Represent a tree transformation.
1571
1783
inventory_delta.append((path, None, file_id, None))
1572
1784
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
1786
for num, (path, trans_id) in enumerate(new_paths):
1579
1787
if (num % 10) == 0:
1580
child_pb.update('adding file',
1788
child_pb.update(gettext('adding file'),
1581
1789
num + len(self._removed_id), total_entries)
1582
1790
file_id = new_path_file_ids[trans_id]
1583
1791
if file_id is None:
1587
kind = self.final_kind(trans_id)
1589
kind = self._tree.stored_kind(file_id)
1793
kind = self.final_kind(trans_id)
1795
kind = self._tree.stored_kind(
1796
self._tree.id2path(file_id), file_id)
1590
1797
parent_trans_id = self.final_parent(trans_id)
1591
1798
parent_file_id = new_path_file_ids.get(parent_trans_id)
1592
1799
if parent_file_id is None:
1621
1829
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))
1831
tree_paths = sorted(viewitems(self._tree_path_ids), reverse=True)
1832
with ui.ui_factory.nested_progress_bar() as child_pb:
1833
for num, (path, trans_id) in enumerate(tree_paths):
1834
# do not attempt to move root into a subdirectory of itself.
1837
child_pb.update(gettext('removing file'), num, len(tree_paths))
1630
1838
full_path = self._tree.abspath(path)
1631
1839
if trans_id in self._removed_contents:
1632
1840
delete_path = os.path.join(self._deletiondir, trans_id)
1633
1841
mover.pre_delete(full_path, delete_path)
1634
elif (trans_id in self._new_name
1635
or trans_id in self._new_parent):
1842
elif (trans_id in self._new_name or
1843
trans_id in self._new_parent):
1637
1845
mover.rename(full_path, self._limbo_name(trans_id))
1846
except errors.TransformRenameFailed as e:
1639
1847
if e.errno != errno.ENOENT:
1642
1850
self.rename_count += 1
1646
1852
def _apply_insertions(self, mover):
1647
1853
"""Perform tree operations that insert directory/inventory names.
1656
1862
new_paths = self.new_paths(filesystem_only=True)
1657
1863
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()
1864
with ui.ui_factory.nested_progress_bar() as child_pb:
1662
1865
for num, (path, trans_id) in enumerate(new_paths):
1663
1866
if (num % 10) == 0:
1664
child_pb.update('adding file', num, len(new_paths))
1867
child_pb.update(gettext('adding file'),
1868
num, len(new_paths))
1665
1869
full_path = self._tree.abspath(path)
1666
1870
if trans_id in self._needs_rename:
1668
1872
mover.rename(self._limbo_name(trans_id), full_path)
1873
except errors.TransformRenameFailed as e:
1670
1874
# We may be renaming a dangling inventory id
1671
1875
if e.errno != errno.ENOENT:
1674
1878
self.rename_count += 1
1675
if (trans_id in self._new_contents or
1676
self.path_changed(trans_id)):
1879
# TODO: if trans_id in self._observed_sha1s, we should
1880
# re-stat the final target, since ctime will be
1881
# updated by the change.
1882
if (trans_id in self._new_contents
1883
or self.path_changed(trans_id)):
1677
1884
if trans_id in self._new_contents:
1678
1885
modified_paths.append(full_path)
1679
1886
if trans_id in self._new_executability:
1680
1887
self._set_executability(path, trans_id)
1888
if trans_id in self._observed_sha1s:
1889
o_sha1, o_st_val = self._observed_sha1s[trans_id]
1890
st = osutils.lstat(full_path)
1891
self._observed_sha1s[trans_id] = (o_sha1, st)
1892
for path, trans_id in new_paths:
1893
# new_paths includes stuff like workingtree conflicts. Only the
1894
# stuff in new_contents actually comes from limbo.
1895
if trans_id in self._limbo_files:
1896
del self._limbo_files[trans_id]
1683
1897
self._new_contents.clear()
1684
1898
return modified_paths
1900
def _apply_observed_sha1s(self):
1901
"""After we have finished renaming everything, update observed sha1s
1903
This has to be done after self._tree.apply_inventory_delta, otherwise
1904
it doesn't know anything about the files we are updating. Also, we want
1905
to do this as late as possible, so that most entries end up cached.
1907
# TODO: this doesn't update the stat information for directories. So
1908
# the first 'bzr status' will still need to rewrite
1909
# .bzr/checkout/dirstate. However, we at least don't need to
1910
# re-read all of the files.
1911
# TODO: If the operation took a while, we could do a time.sleep(3) here
1912
# to allow the clock to tick over and ensure we won't have any
1913
# problems. (we could observe start time, and finish time, and if
1914
# it is less than eg 10% overhead, add a sleep call.)
1915
paths = FinalPaths(self)
1916
for trans_id, observed in viewitems(self._observed_sha1s):
1917
path = paths.get_path(trans_id)
1918
self._tree._observed_sha1(path, observed)
1687
1921
class TransformPreview(DiskTreeTransform):
1688
1922
"""A TreeTransform for generating preview trees.
1766
2006
except errors.NoSuchRevisionInTree:
1767
2007
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()]
2009
def _get_file_revision(self, path, file_id, vf, tree_revision):
2011
(file_id, t.get_file_revision(t.id2path(file_id)))
2012
for t in self._iter_parent_trees()]
1772
2013
vf.add_lines((file_id, tree_revision), parent_keys,
1773
self.get_file(file_id).readlines())
2014
self.get_file_lines(path))
1774
2015
repo = self._get_repository()
1775
2016
base_vf = repo.texts
1776
2017
if base_vf not in vf.fallback_versionedfiles:
1777
2018
vf.fallback_versionedfiles.append(base_vf)
1778
2019
return tree_revision
1780
def _stat_limbo_file(self, file_id):
1781
trans_id = self._transform.trans_id_file_id(file_id)
2021
def _stat_limbo_file(self, trans_id):
1782
2022
name = self._transform._limbo_name(trans_id)
1783
2023
return os.lstat(name)
1937
2193
ordered_ids = self._list_files_by_dir()
1938
2194
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
2196
yield self._final_paths.get_path(trans_id), entry
1942
2198
def _iter_entries_for_dir(self, dir_path):
1943
2199
"""Return path, entry for items in a directory without recursing down."""
1944
dir_file_id = self.path2id(dir_path)
1945
2200
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))
2201
dir_trans_id = self._path2trans_id(dir_path)
2202
dir_id = self._transform.final_file_id(dir_trans_id)
2203
for child_trans_id in self._all_children(dir_trans_id):
2204
ordered_ids.append((child_trans_id, dir_id))
1949
2206
for entry, trans_id in self._make_inv_entries(ordered_ids):
1950
yield unicode(self._final_paths.get_path(trans_id)), entry
2207
path_entries.append((self._final_paths.get_path(trans_id), entry))
1952
2211
def list_files(self, include_root=False, from_dir=None, recursive=True):
1953
2212
"""See WorkingTree.list_files."""
1970
2229
if from_dir is None and include_root is True:
1971
2230
root_entry = inventory.make_entry('directory', '',
1972
ROOT_PARENT, self.get_root_id())
2231
ROOT_PARENT, self.get_root_id())
1973
2232
yield '', 'V', 'directory', root_entry.file_id, root_entry
1974
2233
entries = self._iter_entries_for_dir(from_dir or '')
1975
2234
for path, entry in entries:
1976
2235
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)
2237
def kind(self, path):
2238
trans_id = self._path2trans_id(path)
2239
if trans_id is None:
2240
raise errors.NoSuchFile(path)
1980
2241
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)
2243
def stored_kind(self, path):
2244
trans_id = self._path2trans_id(path)
2245
if trans_id is None:
2246
raise errors.NoSuchFile(path)
1985
2248
return self._transform._new_contents[trans_id]
1986
2249
except KeyError:
1987
return self._transform._tree.stored_kind(file_id)
2250
return self._transform._tree.stored_kind(path)
1989
def get_file_mtime(self, file_id, path=None):
2252
def get_file_mtime(self, path):
1990
2253
"""See Tree.get_file_mtime"""
2254
file_id = self.path2id(path)
2256
raise errors.NoSuchFile(path)
1991
2257
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):
2258
return self._transform._tree.get_file_mtime(
2259
self._transform._tree.id2path(file_id))
2260
trans_id = self._path2trans_id(path)
2261
return self._stat_limbo_file(trans_id).st_mtime
2263
def get_file_size(self, path):
1999
2264
"""See Tree.get_file_size"""
2000
if self.kind(file_id) == 'file':
2001
return self._transform._tree.get_file_size(file_id)
2265
trans_id = self._path2trans_id(path)
2266
if trans_id is None:
2267
raise errors.NoSuchFile(path)
2268
kind = self._transform.final_kind(trans_id)
2271
if trans_id in self._transform._new_contents:
2272
return self._stat_limbo_file(trans_id).st_size
2273
if self.kind(path) == 'file':
2274
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)
2278
def get_file_verifier(self, path, stat_value=None):
2279
trans_id = self._path2trans_id(path)
2280
if trans_id is None:
2281
raise errors.NoSuchFile(path)
2282
kind = self._transform._new_contents.get(trans_id)
2284
return self._transform._tree.get_file_verifier(path)
2286
with self.get_file(path) as fileobj:
2287
return ("SHA1", sha_file(fileobj))
2289
def get_file_sha1(self, path, stat_value=None):
2290
trans_id = self._path2trans_id(path)
2291
if trans_id is None:
2292
raise errors.NoSuchFile(path)
2293
kind = self._transform._new_contents.get(trans_id)
2295
return self._transform._tree.get_file_sha1(path)
2297
with self.get_file(path) as fileobj:
2013
2298
return sha_file(fileobj)
2017
def is_executable(self, file_id, path=None):
2300
def is_executable(self, path):
2301
trans_id = self._path2trans_id(path)
2302
if trans_id is None:
2020
trans_id = self._transform.trans_id_file_id(file_id)
2022
2305
return self._transform._new_executability[trans_id]
2023
2306
except KeyError:
2025
return self._transform._tree.is_executable(file_id, path)
2308
return self._transform._tree.is_executable(path)
2309
except OSError as e:
2027
2310
if e.errno == errno.ENOENT:
2030
except errors.NoSuchId:
2313
except errors.NoSuchFile:
2316
def has_filename(self, path):
2317
trans_id = self._path2trans_id(path)
2318
if trans_id in self._transform._new_contents:
2320
elif trans_id in self._transform._removed_contents:
2323
return self._transform._tree.has_filename(path)
2033
2325
def path_content_summary(self, path):
2034
2326
trans_id = self._path2trans_id(path)
2035
2327
tt = self._transform
2057
2349
executable = None
2058
2350
if kind == 'symlink':
2059
link_or_sha1 = os.readlink(limbo_name).decode(osutils._fs_enc)
2351
link_or_sha1 = os.readlink(limbo_name)
2352
if not isinstance(link_or_sha1, text_type):
2353
link_or_sha1 = link_or_sha1.decode(osutils._fs_enc)
2060
2354
executable = tt._new_executability.get(trans_id, executable)
2061
2355
return kind, size, executable, link_or_sha1
2063
2357
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):
2358
specific_files=None, pb=None, extra_trees=None,
2359
require_versioned=True, want_unversioned=False):
2066
2360
"""See InterTree.iter_changes.
2068
2362
This has a fast path that is only used when the from_tree matches
2069
2363
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):
2365
if (from_tree is not self._transform._tree or include_unchanged
2366
or specific_files or want_unversioned):
2073
2367
return tree.InterTree(from_tree, self).iter_changes(
2074
2368
include_unchanged=include_unchanged,
2075
2369
specific_files=specific_files,
2081
2375
raise ValueError('want_unversioned is not supported')
2082
2376
return self._transform.iter_changes()
2084
def get_file(self, file_id, path=None):
2378
def get_file(self, path):
2085
2379
"""See Tree.get_file"""
2380
file_id = self.path2id(path)
2086
2381
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)
2382
return self._transform._tree.get_file(path)
2383
trans_id = self._path2trans_id(path)
2089
2384
name = self._transform._limbo_name(trans_id)
2090
2385
return open(name, 'rb')
2092
def get_file_with_stat(self, file_id, path=None):
2093
return self.get_file(file_id, path), None
2387
def get_file_with_stat(self, path):
2388
return self.get_file(path), None
2095
def annotate_iter(self, file_id,
2390
def annotate_iter(self, path,
2096
2391
default_revision=_mod_revision.CURRENT_REVISION):
2392
file_id = self.path2id(path)
2097
2393
changes = self._iter_changes_cache.get(file_id)
2098
2394
if changes is None:
2243
2541
:param delta_from_tree: If true, build_tree may use the input Tree to
2244
2542
generate the inventory delta.
2246
wt.lock_tree_write()
2544
with wt.lock_tree_write(), tree.lock_read():
2545
if accelerator_tree is not None:
2546
accelerator_tree.lock_read()
2548
return _build_tree(tree, wt, accelerator_tree, hardlink,
2250
2551
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()
2552
accelerator_tree.unlock()
2264
2555
def _build_tree(tree, wt, accelerator_tree, hardlink, delta_from_tree):
2265
2556
"""See build_tree."""
2266
for num, _unused in enumerate(wt.all_file_ids()):
2557
for num, _unused in enumerate(wt.all_versioned_paths()):
2267
2558
if num > 0: # more than just a root
2268
2559
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
2560
file_trans_id = {}
2273
top_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2561
top_pb = ui.ui_factory.nested_progress_bar()
2274
2562
pp = ProgressPhase("Build phase", 2, top_pb)
2275
if tree.inventory.root is not None:
2563
if tree.get_root_id() is not None:
2276
2564
# This is kind of a hack: we should be altering the root
2277
2565
# as part of the regular tree shape diff logic.
2278
2566
# The conditional test here is to avoid doing an
2289
2577
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()
2578
file_trans_id[wt.get_root_id()] = tt.trans_id_tree_path('')
2579
with ui.ui_factory.nested_progress_bar() as pb:
2294
2580
deferred_contents = []
2296
total = len(tree.inventory)
2582
total = len(tree.all_versioned_paths())
2297
2583
if delta_from_tree:
2298
2584
precomputed_delta = []
2300
2586
precomputed_delta = None
2587
# Check if tree inventory has content. If so, we populate
2588
# existing_files with the directory content. If there are no
2589
# entries we skip populating existing_files as its not used.
2590
# This improves performance and unncessary work on large
2591
# directory trees. (#501307)
2593
existing_files = set()
2594
for dir, files in wt.walkdirs():
2595
existing_files.update(f[0] for f in files)
2301
2596
for num, (tree_path, entry) in \
2302
enumerate(tree.inventory.iter_entries_by_dir()):
2303
pb.update("Building tree", num - len(deferred_contents), total)
2597
enumerate(tree.iter_entries_by_dir()):
2598
pb.update(gettext("Building tree"), num
2599
- len(deferred_contents), total)
2304
2600
if entry.parent_id is None:
2306
2602
reparent = False
2330
2626
trans_id = tt.create_path(entry.name, parent_id)
2331
2627
file_trans_id[file_id] = trans_id
2332
2628
tt.version_file(file_id, trans_id)
2333
executable = tree.is_executable(file_id, tree_path)
2629
executable = tree.is_executable(tree_path)
2335
2631
tt.set_executability(executable, trans_id)
2336
trans_data = (trans_id, tree_path)
2337
deferred_contents.append((file_id, trans_data))
2632
trans_data = (trans_id, file_id,
2633
tree_path, entry.text_sha1)
2634
deferred_contents.append((tree_path, trans_data))
2339
file_trans_id[file_id] = new_by_entry(tt, entry, parent_id,
2636
file_trans_id[file_id] = new_by_entry(
2637
tree_path, tt, entry, parent_id, tree)
2342
2639
new_trans_id = file_trans_id[file_id]
2343
2640
old_parent = tt.trans_id_tree_path(tree_path)
2376
2673
new_desired_files = desired_files
2378
2675
iter = accelerator_tree.iter_changes(tree, include_unchanged=True)
2379
unchanged = [(f, p[1]) for (f, p, c, v, d, n, k, e)
2676
unchanged = [(p[0], p[1]) for (f, p, c, v, d, n, k, e)
2380
2677
in iter if not (c or e[0] != e[1])]
2381
2678
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()]
2679
unchanged = [(tp, ap) for (tp, ap) in unchanged
2680
if not next(accelerator_tree.iter_search_rules([ap]))]
2384
2681
unchanged = dict(unchanged)
2385
2682
new_desired_files = []
2387
for file_id, (trans_id, tree_path) in desired_files:
2388
accelerator_path = unchanged.get(file_id)
2684
for unused_tree_path, (trans_id, file_id, tree_path, text_sha1) in desired_files:
2685
accelerator_path = unchanged.get(tree_path)
2389
2686
if accelerator_path is None:
2390
new_desired_files.append((file_id, (trans_id, tree_path)))
2687
new_desired_files.append((tree_path,
2688
(trans_id, file_id, tree_path, text_sha1)))
2392
pb.update('Adding file contents', count + offset, total)
2690
pb.update(gettext('Adding file contents'), count + offset, total)
2394
2692
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
2695
with accelerator_tree.get_file(accelerator_path, file_id) as f:
2696
chunks = osutils.file_iterator(f)
2697
if wt.supports_content_filtering():
2698
filters = wt._content_filter_stack(tree_path)
2699
chunks = filtered_output_bytes(chunks, filters,
2700
ContentFilterContext(tree_path, tree))
2701
tt.create_file(chunks, trans_id, sha1=text_sha1)
2411
2703
offset += count
2412
for count, ((trans_id, tree_path), contents) in enumerate(
2704
for count, ((trans_id, file_id, tree_path, text_sha1), contents) in enumerate(
2413
2705
tree.iter_files_bytes(new_desired_files)):
2414
2706
if wt.supports_content_filtering():
2415
2707
filters = wt._content_filter_stack(tree_path)
2416
2708
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)
2709
ContentFilterContext(tree_path, tree))
2710
tt.create_file(contents, trans_id, sha1=text_sha1)
2711
pb.update(gettext('Adding file contents'), count + offset, total)
2422
2714
def _reparent_children(tt, old_parent, new_parent):
2423
2715
for child in tt.iter_tree_children(old_parent):
2424
2716
tt.adjust_path(tt.final_name(child), new_parent, child)
2426
2719
def _reparent_transform_children(tt, old_parent, new_parent):
2427
2720
by_parent = tt.by_parent()
2428
2721
for child in by_parent[old_parent]:
2429
2722
tt.adjust_path(tt.final_name(child), new_parent, child)
2430
2723
return by_parent[old_parent]
2432
def _content_match(tree, entry, file_id, kind, target_path):
2726
def _content_match(tree, entry, tree_path, file_id, kind, target_path):
2433
2727
if entry.kind != kind:
2435
2729
if entry.kind == "directory":
2437
2731
if entry.kind == "file":
2438
if tree.get_file(file_id).read() == file(target_path, 'rb').read():
2732
with open(target_path, 'rb') as f1, \
2733
tree.get_file(tree_path) as f2:
2734
if osutils.compare_files(f1, f2):
2440
2736
elif entry.kind == "symlink":
2441
if tree.get_symlink_target(file_id) == os.readlink(target_path):
2737
if tree.get_symlink_target(tree_path) == os.readlink(target_path):
2462
2758
final_parent = tt.final_parent(old_file)
2463
2759
if new_file in divert:
2464
new_name = tt.final_name(old_file)+'.diverted'
2760
new_name = tt.final_name(old_file) + '.diverted'
2465
2761
tt.adjust_path(new_name, final_parent, new_file)
2466
2762
new_conflicts.add((c_type, 'Diverted to',
2467
2763
new_file, old_file))
2469
new_name = tt.final_name(old_file)+'.moved'
2765
new_name = tt.final_name(old_file) + '.moved'
2470
2766
tt.adjust_path(new_name, final_parent, old_file)
2471
2767
new_conflicts.add((c_type, 'Moved existing file to',
2472
2768
old_file, new_file))
2473
2769
return new_conflicts
2476
def new_by_entry(tt, entry, parent_id, tree):
2772
def new_by_entry(path, tt, entry, parent_id, tree):
2477
2773
"""Create a new file according to its inventory entry"""
2478
2774
name = entry.name
2479
2775
kind = entry.kind
2480
2776
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,
2777
with tree.get_file(path) as f:
2778
executable = tree.is_executable(path)
2780
name, parent_id, osutils.file_iterator(f), entry.file_id,
2485
2782
elif kind in ('directory', 'tree-reference'):
2486
2783
trans_id = tt.new_directory(name, parent_id, entry.file_id)
2487
2784
if kind == 'tree-reference':
2488
2785
tt.set_tree_reference(entry.reference_revision, trans_id)
2489
2786
return trans_id
2490
2787
elif kind == 'symlink':
2491
target = tree.get_symlink_target(entry.file_id)
2788
target = tree.get_symlink_target(path)
2492
2789
return tt.new_symlink(name, parent_id, target, entry.file_id)
2494
2791
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):
2794
def create_from_tree(tt, trans_id, tree, path, file_id=None, chunks=None,
2795
filter_tree_path=None):
2515
2796
"""Create new file contents according to tree contents.
2517
2798
:param filter_tree_path: the tree path to use to lookup
2518
2799
content filters to apply to the bytes output in the working tree.
2519
2800
This only applies if the working tree supports content filtering.
2521
kind = tree.kind(file_id)
2802
kind = tree.kind(path)
2522
2803
if kind == 'directory':
2523
2804
tt.create_directory(trans_id)
2524
2805
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)
2807
f = tree.get_file(path)
2808
chunks = osutils.file_iterator(f)
2813
if wt.supports_content_filtering() and filter_tree_path is not None:
2814
filters = wt._content_filter_stack(filter_tree_path)
2815
chunks = filtered_output_bytes(
2817
ContentFilterContext(filter_tree_path, tree))
2818
tt.create_file(chunks, trans_id)
2537
2822
elif kind == "symlink":
2538
tt.create_symlink(tree.get_symlink_target(file_id), trans_id)
2823
tt.create_symlink(tree.get_symlink_target(path), trans_id)
2540
2825
raise AssertionError('Unknown kind %r' % kind)
2546
2831
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
2834
def revert(working_tree, target_tree, filenames, backups=False,
2593
2835
pb=None, change_reporter=None):
2594
2836
"""Revert a working tree's contents to those of a target tree."""
2595
target_tree.lock_read()
2596
2837
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)
2839
with target_tree.lock_read(), TreeTransform(working_tree, pb) as tt:
2840
pp = ProgressPhase("Revert phase", 3, pb)
2841
conflicts, merge_modified = _prepare_revert_transform(
2842
working_tree, target_tree, tt, filenames, backups, pp)
2844
change_reporter = delta._ChangeReporter(
2845
unversioned_filter=working_tree.is_ignored)
2846
delta.report_changes(tt.iter_changes(), change_reporter)
2847
for conflict in conflicts:
2848
trace.warning(text_type(conflict))
2851
if working_tree.supports_merge_modified():
2852
working_tree.set_merge_modified(merge_modified)
2612
target_tree.unlock()
2615
2855
return conflicts
2618
2858
def _prepare_revert_transform(working_tree, target_tree, tt, filenames,
2619
2859
backups, pp, basis_tree=None,
2620
2860
merge_modified=None):
2621
child_pb = bzrlib.ui.ui_factory.nested_progress_bar()
2861
with ui.ui_factory.nested_progress_bar() as child_pb:
2623
2862
if merge_modified is None:
2624
2863
merge_modified = working_tree.merge_modified()
2625
2864
merge_modified = _alter_files(working_tree, target_tree, tt,
2626
2865
child_pb, filenames, backups,
2627
2866
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))
2867
with ui.ui_factory.nested_progress_bar() as child_pb:
2868
raw_conflicts = resolve_conflicts(
2869
tt, child_pb, lambda t, c: conflict_pass(t, c, target_tree))
2636
2870
conflicts = cook_conflicts(raw_conflicts, tt)
2637
2871
return conflicts, merge_modified
2641
2875
backups, merge_modified, basis_tree=None):
2642
2876
if basis_tree is not None:
2643
2877
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:
2878
# We ask the working_tree for its changes relative to the target, rather
2879
# than the target changes relative to the working tree. Because WT4 has an
2880
# optimizer to compare itself to a target, but no optimizer for the
2882
change_list = working_tree.iter_changes(
2883
target_tree, specific_files=specific_files, pb=pb)
2884
if not target_tree.is_versioned(u''):
2647
2885
skip_root = True
2649
2887
skip_root = False
2651
2889
deferred_files = []
2652
2890
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:
2891
kind, executable) in enumerate(change_list):
2892
target_path, wt_path = path
2893
target_versioned, wt_versioned = versioned
2894
target_parent, wt_parent = parent
2895
target_name, wt_name = name
2896
target_kind, wt_kind = kind
2897
target_executable, wt_executable = executable
2898
if skip_root and wt_parent is None:
2656
2900
trans_id = tt.trans_id_file_id(file_id)
2658
2902
if changed_content:
2659
2903
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)
2904
if wt_kind == 'file' and (backups or target_kind is None):
2905
wt_sha1 = working_tree.get_file_sha1(wt_path)
2662
2906
if merge_modified.get(file_id) != wt_sha1:
2663
2907
# acquire the basis tree lazily to prevent the
2664
2908
# expense of accessing it when it's not needed ?
2666
2910
if basis_tree is None:
2667
2911
basis_tree = working_tree.basis_tree()
2668
2912
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:
2913
basis_path = find_previous_path(
2914
working_tree, basis_tree, wt_path)
2915
if basis_path is None:
2916
if target_kind is None and not target_versioned:
2919
if wt_sha1 != basis_tree.get_file_sha1(basis_path):
2921
if wt_kind is not None:
2675
2922
if not keep_content:
2676
2923
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)
2924
elif target_kind is not None:
2925
parent_trans_id = tt.trans_id_file_id(wt_parent)
2926
backup_name = tt._available_backup_name(
2927
wt_name, parent_trans_id)
2682
2928
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):
2929
new_trans_id = tt.create_path(wt_name, parent_trans_id)
2930
if wt_versioned and target_versioned:
2685
2931
tt.unversion_file(trans_id)
2686
2932
tt.version_file(file_id, new_trans_id)
2687
2933
# New contents should have the same unix perms as old
2689
2935
mode_id = trans_id
2690
2936
trans_id = new_trans_id
2691
if kind[1] in ('directory', 'tree-reference'):
2937
if target_kind in ('directory', 'tree-reference'):
2692
2938
tt.create_directory(trans_id)
2693
if kind[1] == 'tree-reference':
2694
revision = target_tree.get_reference_revision(file_id,
2939
if target_kind == 'tree-reference':
2940
revision = target_tree.get_reference_revision(
2696
2942
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)))
2943
elif target_kind == 'symlink':
2944
tt.create_symlink(target_tree.get_symlink_target(
2945
target_path), trans_id)
2946
elif target_kind == 'file':
2947
deferred_files.append(
2948
(target_path, (trans_id, mode_id, file_id)))
2702
2949
if basis_tree is None:
2703
2950
basis_tree = working_tree.basis_tree()
2704
2951
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)):
2952
new_sha1 = target_tree.get_file_sha1(target_path)
2953
basis_path = find_previous_path(target_tree, basis_tree, target_path)
2954
if (basis_path is not None and
2955
new_sha1 == basis_tree.get_file_sha1(basis_path)):
2708
2956
if file_id in merge_modified:
2709
2957
del merge_modified[file_id]
2711
2959
merge_modified[file_id] = new_sha1
2713
2961
# 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):
2962
if keep_content and wt_executable == target_executable:
2963
tt.set_executability(target_executable, trans_id)
2964
elif target_kind is not None:
2965
raise AssertionError(target_kind)
2966
if not wt_versioned and target_versioned:
2719
2967
tt.version_file(file_id, trans_id)
2720
if versioned == (True, False):
2968
if wt_versioned and not target_versioned:
2721
2969
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:
2970
if (target_name is not None
2971
and (wt_name != target_name or wt_parent != target_parent)):
2972
if target_name == '' and target_parent is None:
2725
2973
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)
2975
parent_trans = tt.trans_id_file_id(target_parent)
2976
if wt_parent is None and wt_versioned:
2977
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)
2979
tt.adjust_path(target_name, parent_trans, trans_id)
2980
if wt_executable != target_executable and target_kind == "file":
2981
tt.set_executability(target_executable, trans_id)
2734
2982
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]
2983
for (trans_id, mode_id, file_id), bytes in (
2984
target_tree.iter_files_bytes(deferred_files)):
2738
2985
# We're reverting a tree to the target tree so using the
2739
2986
# target tree to find the file path seems the best choice
2740
2987
# here IMO - Ian C 27/Oct/2009
2741
2988
filter_tree_path = target_tree.id2path(file_id)
2742
2989
filters = working_tree._content_filter_stack(filter_tree_path)
2743
bytes = filtered_output_bytes(bytes, filters,
2990
bytes = filtered_output_bytes(
2744
2992
ContentFilterContext(filter_tree_path, working_tree))
2745
2993
tt.create_file(bytes, trans_id, mode_id)
2747
for (trans_id, mode_id), bytes in target_tree.iter_files_bytes(
2995
for (trans_id, mode_id, file_id), bytes in target_tree.iter_files_bytes(
2749
2997
tt.create_file(bytes, trans_id, mode_id)
2750
2998
tt.fixup_new_roots()
2920
3186
def rollback(self):
2921
3187
"""Reverse all renames that have been performed"""
2922
3188
for from_, to in reversed(self.past_renames):
2923
osutils.rename(to, from_)
3190
os.rename(to, from_)
3191
except OSError as e:
3192
raise errors.TransformRenameFailed(to, from_, str(e), e.errno)
2924
3193
# after rollback, don't reuse _FileMover
2926
pending_deletions = None
3194
self.past_renames = None
3195
self.pending_deletions = None
2928
3197
def apply_deletions(self):
2929
3198
"""Apply all marked deletions"""
2930
3199
for path in self.pending_deletions:
2931
3200
delete_any(path)
2932
3201
# after apply_deletions, don't reuse _FileMover
2934
pending_deletions = None
3202
self.past_renames = None
3203
self.pending_deletions = None
3206
def link_tree(target_tree, source_tree):
3207
"""Where possible, hard-link files in a tree to those in another tree.
3209
:param target_tree: Tree to change
3210
:param source_tree: Tree to hard-link from
3212
tt = TreeTransform(target_tree)
3214
for (file_id, paths, changed_content, versioned, parent, name, kind,
3215
executable) in target_tree.iter_changes(source_tree,
3216
include_unchanged=True):
3219
if kind != ('file', 'file'):
3221
if executable[0] != executable[1]:
3223
trans_id = tt.trans_id_tree_path(paths[1])
3224
tt.delete_contents(trans_id)
3225
tt.create_hardlink(source_tree.abspath(paths[0]), trans_id)
added
removed
breezy/transform.py
